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distribution/packages/multimedia/ffmpeg/patches/v4l2-request/ffmpeg-001-v4l2-request.patch
fewtarius 29c0cded05
JELOS 20220205 - Release
2022-02-05 09:23:32 -05:00

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From 785728e72dbd513b58d97af2590fafba0f8a24bb Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Mon, 3 Dec 2018 23:48:04 +0100
Subject: [PATCH 01/20] avutil: add av_buffer_pool_flush()
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
libavutil/buffer.c | 13 +++++++++++++
libavutil/buffer.h | 5 +++++
2 files changed, 18 insertions(+)
diff --git a/libavutil/buffer.c b/libavutil/buffer.c
index 38a554208a9..b0fedabc3e7 100644
--- a/libavutil/buffer.c
+++ b/libavutil/buffer.c
@@ -273,6 +273,19 @@ static void buffer_pool_free(AVBufferPool *pool)
av_freep(&pool);
}
+void av_buffer_pool_flush(AVBufferPool *pool)
+{
+ ff_mutex_lock(&pool->mutex);
+ while (pool->pool) {
+ BufferPoolEntry *buf = pool->pool;
+ pool->pool = buf->next;
+
+ buf->free(buf->opaque, buf->data);
+ av_freep(&buf);
+ }
+ ff_mutex_unlock(&pool->mutex);
+}
+
void av_buffer_pool_uninit(AVBufferPool **ppool)
{
AVBufferPool *pool;
diff --git a/libavutil/buffer.h b/libavutil/buffer.h
index c0f3f6cc9ab..998beec9ac5 100644
--- a/libavutil/buffer.h
+++ b/libavutil/buffer.h
@@ -267,6 +267,11 @@ AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
AVBufferRef* (*alloc)(void *opaque, int size),
void (*pool_free)(void *opaque));
+/**
+ * Free all available buffers in a buffer pool.
+ */
+ void av_buffer_pool_flush(AVBufferPool *pool);
+
/**
* Mark the pool as being available for freeing. It will actually be freed only
* once all the allocated buffers associated with the pool are released. Thus it
From abd5308771a71ba582155a1665a1c40878232040 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 02/20] Add common V4L2 request API code
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
configure | 12 +
libavcodec/Makefile | 1 +
libavcodec/hwconfig.h | 2 +
libavcodec/v4l2_request.c | 984 ++++++++++++++++++++++++++++++++++++++
libavcodec/v4l2_request.h | 77 +++
5 files changed, 1076 insertions(+)
create mode 100644 libavcodec/v4l2_request.c
create mode 100644 libavcodec/v4l2_request.h
diff --git a/configure b/configure
index 8569a60bf82..9f9909a2369 100755
--- a/configure
+++ b/configure
@@ -274,6 +274,7 @@ External library support:
--enable-libtls enable LibreSSL (via libtls), needed for https support
if openssl, gnutls or mbedtls is not used [no]
--enable-libtwolame enable MP2 encoding via libtwolame [no]
+ --enable-libudev enable libudev [no]
--enable-libv4l2 enable libv4l2/v4l-utils [no]
--enable-libvidstab enable video stabilization using vid.stab [no]
--enable-libvmaf enable vmaf filter via libvmaf [no]
@@ -342,6 +343,7 @@ External library support:
--enable-omx-rpi enable OpenMAX IL code for Raspberry Pi [no]
--enable-rkmpp enable Rockchip Media Process Platform code [no]
--disable-v4l2-m2m disable V4L2 mem2mem code [autodetect]
+ --enable-v4l2-request enable V4L2 request API code [no]
--disable-vaapi disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
--disable-vdpau disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
--disable-videotoolbox disable VideoToolbox code [autodetect]
@@ -1807,6 +1809,7 @@ EXTERNAL_LIBRARY_LIST="
libtesseract
libtheora
libtwolame
+ libudev
libv4l2
libvorbis
libvpx
@@ -1861,6 +1864,7 @@ HWACCEL_LIBRARY_LIST="
mmal
omx
opencl
+ v4l2_request
vulkan
"
@@ -2903,6 +2907,7 @@ d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"
dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"
ffnvcodec_deps_any="libdl LoadLibrary"
nvdec_deps="ffnvcodec"
+v4l2_request_deps="linux_videodev2_h linux_media_h v4l2_timeval_to_ns libdrm libudev"
vaapi_x11_deps="xlib"
videotoolbox_hwaccel_deps="videotoolbox pthreads"
videotoolbox_hwaccel_extralibs="-framework QuartzCore"
@@ -6376,6 +6381,7 @@ enabled libtls && require_pkg_config libtls libtls tls.h tls_configur
enabled libtwolame && require libtwolame twolame.h twolame_init -ltwolame &&
{ check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
+enabled libudev && require_pkg_config libudev libudev libudev.h udev_new
enabled libv4l2 && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl
enabled libvidstab && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
enabled libvmaf && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf
@@ -6475,6 +6481,10 @@ enabled rkmpp && { require_pkg_config rkmpp rockchip_mpp rockchip/r
{ enabled libdrm ||
die "ERROR: rkmpp requires --enable-libdrm"; }
}
+enabled v4l2_request && { enabled libdrm ||
+ die "ERROR: v4l2-request requires --enable-libdrm"; } &&
+ { enabled libudev ||
+ die "ERROR: v4l2-request requires --enable-libudev"; }
enabled vapoursynth && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init
@@ -6556,6 +6566,8 @@ if enabled v4l2_m2m; then
check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"
fi
+check_func_headers "linux/media.h linux/videodev2.h" v4l2_timeval_to_ns
+
check_headers sys/videoio.h
test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 5a6ea59715a..d7422051682 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -153,6 +153,7 @@ OBJS-$(CONFIG_VP3DSP) += vp3dsp.o
OBJS-$(CONFIG_VP56DSP) += vp56dsp.o
OBJS-$(CONFIG_VP8DSP) += vp8dsp.o
OBJS-$(CONFIG_V4L2_M2M) += v4l2_m2m.o v4l2_context.o v4l2_buffers.o v4l2_fmt.o
+OBJS-$(CONFIG_V4L2_REQUEST) += v4l2_request.o
OBJS-$(CONFIG_WMA_FREQS) += wma_freqs.o
OBJS-$(CONFIG_WMV2DSP) += wmv2dsp.o
diff --git a/libavcodec/hwconfig.h b/libavcodec/hwconfig.h
index f421dc909f4..ee78d8ab8e8 100644
--- a/libavcodec/hwconfig.h
+++ b/libavcodec/hwconfig.h
@@ -80,6 +80,8 @@ typedef struct AVCodecHWConfigInternal {
HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel)
#define HWACCEL_XVMC(codec) \
HW_CONFIG_HWACCEL(0, 0, 1, XVMC, NONE, ff_ ## codec ## _xvmc_hwaccel)
+#define HWACCEL_V4L2REQUEST(codec) \
+ HW_CONFIG_HWACCEL(1, 0, 0, DRM_PRIME, DRM, ff_ ## codec ## _v4l2request_hwaccel)
#define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \
&(const AVCodecHWConfigInternal) { \
diff --git a/libavcodec/v4l2_request.c b/libavcodec/v4l2_request.c
new file mode 100644
index 00000000000..5234b5049b0
--- /dev/null
+++ b/libavcodec/v4l2_request.c
@@ -0,0 +1,984 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <drm_fourcc.h>
+#include <linux/media.h>
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <sys/sysmacros.h>
+#include <libudev.h>
+
+#include "decode.h"
+#include "internal.h"
+#include "v4l2_request.h"
+
+uint64_t ff_v4l2_request_get_capture_timestamp(AVFrame *frame)
+{
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)frame->data[0];
+ return req ? v4l2_timeval_to_ns(&req->capture.buffer.timestamp) : 0;
+}
+
+int ff_v4l2_request_reset_frame(AVCodecContext *avctx, AVFrame *frame)
+{
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)frame->data[0];
+ memset(&req->drm, 0, sizeof(AVDRMFrameDescriptor));
+ req->output.used = 0;
+ return 0;
+}
+
+int ff_v4l2_request_append_output_buffer(AVCodecContext *avctx, AVFrame *frame, const uint8_t *data, uint32_t size)
+{
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)frame->data[0];
+ if (req->output.used + size + (AV_INPUT_BUFFER_PADDING_SIZE * 4) <= req->output.size) {
+ memcpy(req->output.addr + req->output.used, data, size);
+ req->output.used += size;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "%s: output.used=%u output.size=%u size=%u\n", __func__, req->output.used, req->output.size, size);
+ }
+ return 0;
+}
+
+static int v4l2_request_controls(V4L2RequestContext *ctx, int request_fd, unsigned long type, struct v4l2_ext_control *control, int count)
+{
+ struct v4l2_ext_controls controls = {
+ .controls = control,
+ .count = count,
+ .request_fd = request_fd,
+ .which = (request_fd >= 0) ? V4L2_CTRL_WHICH_REQUEST_VAL : 0,
+ };
+
+ if (!control || !count)
+ return 0;
+
+ return ioctl(ctx->video_fd, type, &controls);
+}
+
+static int v4l2_request_set_controls(V4L2RequestContext *ctx, int request_fd, struct v4l2_ext_control *control, int count)
+{
+ return v4l2_request_controls(ctx, request_fd, VIDIOC_S_EXT_CTRLS, control, count);
+}
+
+int ff_v4l2_request_set_controls(AVCodecContext *avctx, struct v4l2_ext_control *control, int count)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+
+ ret = v4l2_request_controls(ctx, -1, VIDIOC_S_EXT_CTRLS, control, count);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: set controls failed, %s (%d)\n", __func__, strerror(errno), errno);
+ return AVERROR(EINVAL);
+ }
+
+ return ret;
+}
+
+int ff_v4l2_request_get_controls(AVCodecContext *avctx, struct v4l2_ext_control *control, int count)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+
+ ret = v4l2_request_controls(ctx, -1, VIDIOC_G_EXT_CTRLS, control, count);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get controls failed, %s (%d)\n", __func__, strerror(errno), errno);
+ return AVERROR(EINVAL);
+ }
+
+ return ret;
+}
+
+int ff_v4l2_request_query_control(AVCodecContext *avctx, struct v4l2_query_ext_ctrl *control)
+{
+ int ret;
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+
+ ret = ioctl(ctx->video_fd, VIDIOC_QUERY_EXT_CTRL, control);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: query control failed, %s (%d)\n", __func__, strerror(errno), errno);
+ return AVERROR(EINVAL);
+ }
+
+ return 0;
+}
+
+int ff_v4l2_request_query_control_default_value(AVCodecContext *avctx, uint32_t id)
+{
+ int ret;
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ struct v4l2_queryctrl control = {
+ .id = id,
+ };
+
+ ret = ioctl(ctx->video_fd, VIDIOC_QUERYCTRL, &control);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: query control failed, %s (%d)\n", __func__, strerror(errno), errno);
+ return AVERROR(EINVAL);
+ }
+
+ return control.default_value;
+}
+
+static int v4l2_request_queue_buffer(V4L2RequestContext *ctx, int request_fd, V4L2RequestBuffer *buf, uint32_t flags)
+{
+ struct v4l2_plane planes[1] = {};
+ struct v4l2_buffer buffer = {
+ .type = buf->buffer.type,
+ .memory = buf->buffer.memory,
+ .index = buf->index,
+ .timestamp.tv_usec = ctx->timestamp,
+ .bytesused = buf->used,
+ .request_fd = request_fd,
+ .flags = ((request_fd >= 0) ? V4L2_BUF_FLAG_REQUEST_FD : 0) | flags,
+ };
+
+ buf->buffer.timestamp = buffer.timestamp;
+
+ if (V4L2_TYPE_IS_MULTIPLANAR(buf->buffer.type)) {
+ planes[0].bytesused = buf->used;
+ buffer.bytesused = 0;
+ buffer.length = 1;
+ buffer.m.planes = planes;
+ }
+
+ return ioctl(ctx->video_fd, VIDIOC_QBUF, &buffer);
+}
+
+static int v4l2_request_dequeue_buffer(V4L2RequestContext *ctx, V4L2RequestBuffer *buf)
+{
+ int ret;
+ struct v4l2_plane planes[1] = {};
+ struct v4l2_buffer buffer = {
+ .type = buf->buffer.type,
+ .memory = buf->buffer.memory,
+ .index = buf->index,
+ };
+
+ if (V4L2_TYPE_IS_MULTIPLANAR(buf->buffer.type)) {
+ buffer.length = 1;
+ buffer.m.planes = planes;
+ }
+
+ ret = ioctl(ctx->video_fd, VIDIOC_DQBUF, &buffer);
+ if (ret < 0)
+ return ret;
+
+ buf->buffer.timestamp = buffer.timestamp;
+ return 0;
+}
+
+const uint32_t v4l2_request_capture_pixelformats[] = {
+ V4L2_PIX_FMT_NV12,
+#ifdef DRM_FORMAT_MOD_ALLWINNER_TILED
+ V4L2_PIX_FMT_SUNXI_TILED_NV12,
+#endif
+};
+
+static int v4l2_request_set_drm_descriptor(V4L2RequestDescriptor *req, struct v4l2_format *format)
+{
+ AVDRMFrameDescriptor *desc = &req->drm;
+ AVDRMLayerDescriptor *layer = &desc->layers[0];
+ uint32_t pixelformat = V4L2_TYPE_IS_MULTIPLANAR(format->type) ? format->fmt.pix_mp.pixelformat : format->fmt.pix.pixelformat;
+
+ switch (pixelformat) {
+ case V4L2_PIX_FMT_NV12:
+ layer->format = DRM_FORMAT_NV12;
+ desc->objects[0].format_modifier = DRM_FORMAT_MOD_LINEAR;
+ break;
+#ifdef DRM_FORMAT_MOD_ALLWINNER_TILED
+ case V4L2_PIX_FMT_SUNXI_TILED_NV12:
+ layer->format = DRM_FORMAT_NV12;
+ desc->objects[0].format_modifier = DRM_FORMAT_MOD_ALLWINNER_TILED;
+ break;
+#endif
+ default:
+ return -1;
+ }
+
+ desc->nb_objects = 1;
+ desc->objects[0].fd = req->capture.fd;
+ desc->objects[0].size = req->capture.size;
+
+ desc->nb_layers = 1;
+ layer->nb_planes = 2;
+
+ layer->planes[0].object_index = 0;
+ layer->planes[0].offset = 0;
+ layer->planes[0].pitch = V4L2_TYPE_IS_MULTIPLANAR(format->type) ? format->fmt.pix_mp.plane_fmt[0].bytesperline : format->fmt.pix.bytesperline;
+
+ layer->planes[1].object_index = 0;
+ layer->planes[1].offset = layer->planes[0].pitch * (V4L2_TYPE_IS_MULTIPLANAR(format->type) ? format->fmt.pix_mp.height : format->fmt.pix.height);
+ layer->planes[1].pitch = layer->planes[0].pitch;
+
+ return 0;
+}
+
+static int v4l2_request_queue_decode(AVCodecContext *avctx, AVFrame *frame, struct v4l2_ext_control *control, int count, int first_slice, int last_slice)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)frame->data[0];
+ struct timeval tv = { 2, 0 };
+ fd_set except_fds;
+ int ret;
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p used=%u controls=%d index=%d fd=%d request_fd=%d first_slice=%d last_slice=%d\n", __func__, avctx, req->output.used, count, req->capture.index, req->capture.fd, req->request_fd, first_slice, last_slice);
+
+ if (first_slice)
+ ctx->timestamp++;
+
+ ret = v4l2_request_set_controls(ctx, req->request_fd, control, count);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: set controls failed for request %d, %s (%d)\n", __func__, req->request_fd, strerror(errno), errno);
+ return -1;
+ }
+
+ memset(req->output.addr + req->output.used, 0, AV_INPUT_BUFFER_PADDING_SIZE * 4);
+
+ ret = v4l2_request_queue_buffer(ctx, req->request_fd, &req->output, last_slice ? 0 : V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: queue output buffer %d failed for request %d, %s (%d)\n", __func__, req->output.index, req->request_fd, strerror(errno), errno);
+ return -1;
+ }
+
+ if (first_slice) {
+ ret = v4l2_request_queue_buffer(ctx, -1, &req->capture, 0);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: queue capture buffer %d failed for request %d, %s (%d)\n", __func__, req->capture.index, req->request_fd, strerror(errno), errno);
+ return -1;
+ }
+ }
+
+ // NOTE: do we need to dequeue when request fails/timeout?
+
+ // 4. queue request and wait
+ ret = ioctl(req->request_fd, MEDIA_REQUEST_IOC_QUEUE, NULL);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: queue request %d failed, %s (%d)\n", __func__, req->request_fd, strerror(errno), errno);
+ goto fail;
+ }
+
+ FD_ZERO(&except_fds);
+ FD_SET(req->request_fd, &except_fds);
+
+ ret = select(req->request_fd + 1, NULL, NULL, &except_fds, &tv);
+ if (ret == 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: request %d timeout\n", __func__, req->request_fd);
+ goto fail;
+ } else if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: select request %d failed, %s (%d)\n", __func__, req->request_fd, strerror(errno), errno);
+ goto fail;
+ }
+
+ ret = v4l2_request_dequeue_buffer(ctx, &req->output);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: dequeue output buffer %d failed for request %d, %s (%d)\n", __func__, req->output.index, req->request_fd, strerror(errno), errno);
+ return -1;
+ }
+
+ if (last_slice) {
+ ret = v4l2_request_dequeue_buffer(ctx, &req->capture);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: dequeue capture buffer %d failed for request %d, %s (%d)\n", __func__, req->capture.index, req->request_fd, strerror(errno), errno);
+ return -1;
+ }
+ }
+
+ // TODO: check errors
+ // buffer.flags & V4L2_BUF_FLAG_ERROR
+
+ ret = ioctl(req->request_fd, MEDIA_REQUEST_IOC_REINIT, NULL);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: reinit request %d failed, %s (%d)\n", __func__, req->request_fd, strerror(errno), errno);
+ return -1;
+ }
+
+ if (last_slice)
+ return v4l2_request_set_drm_descriptor(req, &ctx->format);
+
+ return 0;
+
+fail:
+ ret = v4l2_request_dequeue_buffer(ctx, &req->output);
+ if (ret < 0)
+ av_log(avctx, AV_LOG_ERROR, "%s: dequeue output buffer %d failed for request %d, %s (%d)\n", __func__, req->output.index, req->request_fd, strerror(errno), errno);
+
+ ret = v4l2_request_dequeue_buffer(ctx, &req->capture);
+ if (ret < 0)
+ av_log(avctx, AV_LOG_ERROR, "%s: dequeue capture buffer %d failed for request %d, %s (%d)\n", __func__, req->capture.index, req->request_fd, strerror(errno), errno);
+
+ ret = ioctl(req->request_fd, MEDIA_REQUEST_IOC_REINIT, NULL);
+ if (ret < 0)
+ av_log(avctx, AV_LOG_ERROR, "%s: reinit request %d failed, %s (%d)\n", __func__, req->request_fd, strerror(errno), errno);
+
+ return -1;
+}
+
+int ff_v4l2_request_decode_slice(AVCodecContext *avctx, AVFrame *frame, struct v4l2_ext_control *control, int count, int first_slice, int last_slice)
+{
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)frame->data[0];
+
+ // fall back to queue each slice as a full frame
+ if ((req->output.capabilities & V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF) != V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF)
+ return v4l2_request_queue_decode(avctx, frame, control, count, 1, 1);
+
+ return v4l2_request_queue_decode(avctx, frame, control, count, first_slice, last_slice);
+}
+
+int ff_v4l2_request_decode_frame(AVCodecContext *avctx, AVFrame *frame, struct v4l2_ext_control *control, int count)
+{
+ return v4l2_request_queue_decode(avctx, frame, control, count, 1, 1);
+}
+
+static int v4l2_request_try_format(AVCodecContext *avctx, enum v4l2_buf_type type, uint32_t pixelformat)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ struct v4l2_fmtdesc fmtdesc = {
+ .index = 0,
+ .type = type,
+ };
+
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ struct v4l2_create_buffers buffers = {
+ .count = 0,
+ .memory = V4L2_MEMORY_MMAP,
+ .format.type = type,
+ };
+
+ if (ioctl(ctx->video_fd, VIDIOC_CREATE_BUFS, &buffers) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: create buffers failed for type %u, %s (%d)\n", __func__, type, strerror(errno), errno);
+ return -1;
+ }
+
+ if ((buffers.capabilities & V4L2_BUF_CAP_SUPPORTS_REQUESTS) != V4L2_BUF_CAP_SUPPORTS_REQUESTS) {
+ av_log(avctx, AV_LOG_INFO, "%s: output buffer type do not support requests, capabilities %u\n", __func__, buffers.capabilities);
+ return -1;
+ }
+ }
+
+ while (ioctl(ctx->video_fd, VIDIOC_ENUM_FMT, &fmtdesc) >= 0) {
+ if (fmtdesc.pixelformat == pixelformat)
+ return 0;
+
+ fmtdesc.index++;
+ }
+
+ av_log(avctx, AV_LOG_INFO, "%s: pixelformat %u not supported for type %u\n", __func__, pixelformat, type);
+ return -1;
+}
+
+static int v4l2_request_set_format(AVCodecContext *avctx, enum v4l2_buf_type type, uint32_t pixelformat, uint32_t buffersize)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ struct v4l2_format format = {
+ .type = type,
+ };
+
+ if (V4L2_TYPE_IS_MULTIPLANAR(type)) {
+ format.fmt.pix_mp.width = avctx->coded_width;
+ format.fmt.pix_mp.height = avctx->coded_height;
+ format.fmt.pix_mp.pixelformat = pixelformat;
+ format.fmt.pix_mp.plane_fmt[0].sizeimage = buffersize;
+ format.fmt.pix_mp.num_planes = 1;
+ } else {
+ format.fmt.pix.width = avctx->coded_width;
+ format.fmt.pix.height = avctx->coded_height;
+ format.fmt.pix.pixelformat = pixelformat;
+ format.fmt.pix.sizeimage = buffersize;
+ }
+
+ return ioctl(ctx->video_fd, VIDIOC_S_FMT, &format);
+}
+
+static int v4l2_request_select_capture_format(AVCodecContext *avctx)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ enum v4l2_buf_type type = ctx->format.type;
+
+#if 0
+ struct v4l2_format format = {
+ .type = type,
+ };
+ struct v4l2_fmtdesc fmtdesc = {
+ .index = 0,
+ .type = type,
+ };
+ uint32_t pixelformat;
+ int i;
+
+ if (ioctl(ctx->video_fd, VIDIOC_G_FMT, &format) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get capture format failed, %s (%d)\n", __func__, strerror(errno), errno);
+ return -1;
+ }
+
+ pixelformat = V4L2_TYPE_IS_MULTIPLANAR(type) ? format.fmt.pix_mp.pixelformat : format.fmt.pix.pixelformat;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(v4l2_request_capture_pixelformats); i++) {
+ if (pixelformat == v4l2_request_capture_pixelformats[i])
+ return v4l2_request_set_format(avctx, type, pixelformat, 0);
+ }
+
+ while (ioctl(ctx->video_fd, VIDIOC_ENUM_FMT, &fmtdesc) >= 0) {
+ for (i = 0; i < FF_ARRAY_ELEMS(v4l2_request_capture_pixelformats); i++) {
+ if (fmtdesc.pixelformat == v4l2_request_capture_pixelformats[i])
+ return v4l2_request_set_format(avctx, type, fmtdesc.pixelformat, 0);
+ }
+
+ fmtdesc.index++;
+ }
+#else
+ for (int i = 0; i < FF_ARRAY_ELEMS(v4l2_request_capture_pixelformats); i++) {
+ uint32_t pixelformat = v4l2_request_capture_pixelformats[i];
+ if (!v4l2_request_try_format(avctx, type, pixelformat))
+ return v4l2_request_set_format(avctx, type, pixelformat, 0);
+ }
+#endif
+
+ return -1;
+}
+
+static int v4l2_request_probe_video_device(struct udev_device *device, AVCodecContext *avctx, uint32_t pixelformat, uint32_t buffersize, struct v4l2_ext_control *control, int count)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret = AVERROR(EINVAL);
+ struct v4l2_capability capability = {0};
+ unsigned int capabilities = 0;
+
+ const char *path = udev_device_get_devnode(device);
+ if (!path) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get video device devnode failed\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ctx->video_fd = open(path, O_RDWR | O_NONBLOCK, 0);
+ if (ctx->video_fd < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: opening %s failed, %s (%d)\n", __func__, path, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = ioctl(ctx->video_fd, VIDIOC_QUERYCAP, &capability);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get video capability failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ if (capability.capabilities & V4L2_CAP_DEVICE_CAPS)
+ capabilities = capability.device_caps;
+ else
+ capabilities = capability.capabilities;
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p ctx=%p path=%s capabilities=%u\n", __func__, avctx, ctx, path, capabilities);
+
+ if ((capabilities & V4L2_CAP_STREAMING) != V4L2_CAP_STREAMING) {
+ av_log(avctx, AV_LOG_ERROR, "%s: missing required streaming capability\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ if ((capabilities & V4L2_CAP_VIDEO_M2M_MPLANE) == V4L2_CAP_VIDEO_M2M_MPLANE) {
+ ctx->output_type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ ctx->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ } else if ((capabilities & V4L2_CAP_VIDEO_M2M) == V4L2_CAP_VIDEO_M2M) {
+ ctx->output_type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ ctx->format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "%s: missing required mem2mem capability\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = v4l2_request_try_format(avctx, ctx->output_type, pixelformat);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_WARNING, "%s: try output format failed\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = v4l2_request_set_format(avctx, ctx->output_type, pixelformat, buffersize);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: set output format failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = v4l2_request_set_controls(ctx, -1, control, count);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: set controls failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = v4l2_request_select_capture_format(avctx);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_WARNING, "%s: select capture format failed\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ return 0;
+
+fail:
+ if (ctx->video_fd >= 0) {
+ close(ctx->video_fd);
+ ctx->video_fd = -1;
+ }
+ return ret;
+}
+
+static int v4l2_request_init_context(AVCodecContext *avctx)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+
+ ret = ioctl(ctx->video_fd, VIDIOC_G_FMT, &ctx->format);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get capture format failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ if (V4L2_TYPE_IS_MULTIPLANAR(ctx->format.type)) {
+ av_log(avctx, AV_LOG_DEBUG, "%s: pixelformat=%d width=%u height=%u bytesperline=%u sizeimage=%u num_planes=%u\n", __func__, ctx->format.fmt.pix_mp.pixelformat, ctx->format.fmt.pix_mp.width, ctx->format.fmt.pix_mp.height, ctx->format.fmt.pix_mp.plane_fmt[0].bytesperline, ctx->format.fmt.pix_mp.plane_fmt[0].sizeimage, ctx->format.fmt.pix_mp.num_planes);
+ } else {
+ av_log(avctx, AV_LOG_DEBUG, "%s: pixelformat=%d width=%u height=%u bytesperline=%u sizeimage=%u\n", __func__, ctx->format.fmt.pix.pixelformat, ctx->format.fmt.pix.width, ctx->format.fmt.pix.height, ctx->format.fmt.pix.bytesperline, ctx->format.fmt.pix.sizeimage);
+ }
+
+ ret = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_DRM);
+ if (ret < 0)
+ goto fail;
+
+ ret = ioctl(ctx->video_fd, VIDIOC_STREAMON, &ctx->output_type);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: output stream on failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = ioctl(ctx->video_fd, VIDIOC_STREAMON, &ctx->format.type);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: capture stream on failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ return 0;
+
+fail:
+ ff_v4l2_request_uninit(avctx);
+ return ret;
+}
+
+static int v4l2_request_probe_media_device(struct udev_device *device, AVCodecContext *avctx, uint32_t pixelformat, uint32_t buffersize, struct v4l2_ext_control *control, int count)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+ struct media_device_info device_info = {0};
+ struct media_v2_topology topology = {0};
+ struct media_v2_interface *interfaces = NULL;
+ struct udev *udev = udev_device_get_udev(device);
+ struct udev_device *video_device;
+ dev_t devnum;
+
+ const char *path = udev_device_get_devnode(device);
+ if (!path) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get media device devnode failed\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ctx->media_fd = open(path, O_RDWR, 0);
+ if (ctx->media_fd < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: opening %s failed, %s (%d)\n", __func__, path, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = ioctl(ctx->media_fd, MEDIA_IOC_DEVICE_INFO, &device_info);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get media device info failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p ctx=%p path=%s driver=%s\n", __func__, avctx, ctx, path, device_info.driver);
+
+ ret = ioctl(ctx->media_fd, MEDIA_IOC_G_TOPOLOGY, &topology);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get media topology failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ if (topology.num_interfaces <= 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: media device has no interfaces\n", __func__);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ interfaces = av_mallocz(topology.num_interfaces * sizeof(struct media_v2_interface));
+ if (!interfaces) {
+ av_log(avctx, AV_LOG_ERROR, "%s: allocating media interface struct failed\n", __func__);
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ topology.ptr_interfaces = (__u64)(uintptr_t)interfaces;
+ ret = ioctl(ctx->media_fd, MEDIA_IOC_G_TOPOLOGY, &topology);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get media topology failed, %s (%d)\n", __func__, strerror(errno), errno);
+ ret = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ret = AVERROR(EINVAL);
+ for (int i = 0; i < topology.num_interfaces; i++) {
+ if (interfaces[i].intf_type != MEDIA_INTF_T_V4L_VIDEO)
+ continue;
+
+ devnum = makedev(interfaces[i].devnode.major, interfaces[i].devnode.minor);
+ video_device = udev_device_new_from_devnum(udev, 'c', devnum);
+ if (!video_device) {
+ av_log(avctx, AV_LOG_ERROR, "%s: video_device=%p\n", __func__, video_device);
+ continue;
+ }
+
+ ret = v4l2_request_probe_video_device(video_device, avctx, pixelformat, buffersize, control, count);
+ udev_device_unref(video_device);
+
+ if (!ret)
+ break;
+ }
+
+ av_freep(&interfaces);
+ return ret;
+
+fail:
+ av_freep(&interfaces);
+ if (ctx->media_fd >= 0) {
+ close(ctx->media_fd);
+ ctx->media_fd = -1;
+ }
+ return ret;
+}
+
+int ff_v4l2_request_init(AVCodecContext *avctx, uint32_t pixelformat, uint32_t buffersize, struct v4l2_ext_control *control, int count)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret = AVERROR(EINVAL);
+ struct udev *udev;
+ struct udev_enumerate *enumerate;
+ struct udev_list_entry *devices;
+ struct udev_list_entry *entry;
+ struct udev_device *device;
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p hw_device_ctx=%p hw_frames_ctx=%p\n", __func__, avctx, avctx->hw_device_ctx, avctx->hw_frames_ctx);
+
+ ctx->media_fd = -1;
+ ctx->video_fd = -1;
+ ctx->timestamp = 0;
+
+ udev = udev_new();
+ if (!udev) {
+ av_log(avctx, AV_LOG_ERROR, "%s: allocating udev context failed\n", __func__);
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ enumerate = udev_enumerate_new(udev);
+ if (!enumerate) {
+ av_log(avctx, AV_LOG_ERROR, "%s: allocating udev enumerator failed\n", __func__);
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ udev_enumerate_add_match_subsystem(enumerate, "media");
+ udev_enumerate_scan_devices(enumerate);
+
+ devices = udev_enumerate_get_list_entry(enumerate);
+ udev_list_entry_foreach(entry, devices) {
+ const char *path = udev_list_entry_get_name(entry);
+ if (!path)
+ continue;
+
+ device = udev_device_new_from_syspath(udev, path);
+ if (!device)
+ continue;
+
+ ret = v4l2_request_probe_media_device(device, avctx, pixelformat, buffersize, control, count);
+ udev_device_unref(device);
+
+ if (!ret)
+ break;
+ }
+
+ udev_enumerate_unref(enumerate);
+
+ if (!ret)
+ ret = v4l2_request_init_context(avctx);
+
+fail:
+ udev_unref(udev);
+ return ret;
+}
+
+int ff_v4l2_request_uninit(AVCodecContext *avctx)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p ctx=%p\n", __func__, avctx, ctx);
+
+ if (ctx->video_fd >= 0) {
+ ret = ioctl(ctx->video_fd, VIDIOC_STREAMOFF, &ctx->output_type);
+ if (ret < 0)
+ av_log(avctx, AV_LOG_ERROR, "%s: output stream off failed, %s (%d)\n", __func__, strerror(errno), errno);
+
+ ret = ioctl(ctx->video_fd, VIDIOC_STREAMOFF, &ctx->format.type);
+ if (ret < 0)
+ av_log(avctx, AV_LOG_ERROR, "%s: capture stream off failed, %s (%d)\n", __func__, strerror(errno), errno);
+ }
+
+ if (avctx->hw_frames_ctx) {
+ AVHWFramesContext *hwfc = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+ av_buffer_pool_flush(hwfc->pool);
+ }
+
+ if (ctx->video_fd >= 0)
+ close(ctx->video_fd);
+
+ if (ctx->media_fd >= 0)
+ close(ctx->media_fd);
+
+ return 0;
+}
+
+static int v4l2_request_buffer_alloc(AVCodecContext *avctx, V4L2RequestBuffer *buf, enum v4l2_buf_type type)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+ struct v4l2_plane planes[1] = {};
+ struct v4l2_create_buffers buffers = {
+ .count = 1,
+ .memory = V4L2_MEMORY_MMAP,
+ .format.type = type,
+ };
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p buf=%p type=%u\n", __func__, avctx, buf, type);
+
+ ret = ioctl(ctx->video_fd, VIDIOC_G_FMT, &buffers.format);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: get format failed for type %u, %s (%d)\n", __func__, type, strerror(errno), errno);
+ return ret;
+ }
+
+ if (V4L2_TYPE_IS_MULTIPLANAR(buffers.format.type)) {
+ av_log(avctx, AV_LOG_DEBUG, "%s: pixelformat=%d width=%u height=%u bytesperline=%u sizeimage=%u num_planes=%u\n", __func__, buffers.format.fmt.pix_mp.pixelformat, buffers.format.fmt.pix_mp.width, buffers.format.fmt.pix_mp.height, buffers.format.fmt.pix_mp.plane_fmt[0].bytesperline, buffers.format.fmt.pix_mp.plane_fmt[0].sizeimage, buffers.format.fmt.pix_mp.num_planes);
+ } else {
+ av_log(avctx, AV_LOG_DEBUG, "%s: pixelformat=%d width=%u height=%u bytesperline=%u sizeimage=%u\n", __func__, buffers.format.fmt.pix.pixelformat, buffers.format.fmt.pix.width, buffers.format.fmt.pix.height, buffers.format.fmt.pix.bytesperline, buffers.format.fmt.pix.sizeimage);
+ }
+
+ ret = ioctl(ctx->video_fd, VIDIOC_CREATE_BUFS, &buffers);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: create buffers failed for type %u, %s (%d)\n", __func__, type, strerror(errno), errno);
+ return ret;
+ }
+
+ if (V4L2_TYPE_IS_MULTIPLANAR(type)) {
+ buf->width = buffers.format.fmt.pix_mp.width;
+ buf->height = buffers.format.fmt.pix_mp.height;
+ buf->size = buffers.format.fmt.pix_mp.plane_fmt[0].sizeimage;
+ buf->buffer.length = 1;
+ buf->buffer.m.planes = planes;
+ } else {
+ buf->width = buffers.format.fmt.pix.width;
+ buf->height = buffers.format.fmt.pix.height;
+ buf->size = buffers.format.fmt.pix.sizeimage;
+ }
+
+ buf->index = buffers.index;
+ buf->capabilities = buffers.capabilities;
+ buf->used = 0;
+
+ buf->buffer.type = type;
+ buf->buffer.memory = V4L2_MEMORY_MMAP;
+ buf->buffer.index = buf->index;
+
+ ret = ioctl(ctx->video_fd, VIDIOC_QUERYBUF, &buf->buffer);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: query buffer %d failed, %s (%d)\n", __func__, buf->index, strerror(errno), errno);
+ return ret;
+ }
+
+ if (V4L2_TYPE_IS_OUTPUT(type)) {
+ void *addr = mmap(NULL, buf->size, PROT_READ | PROT_WRITE, MAP_SHARED, ctx->video_fd, V4L2_TYPE_IS_MULTIPLANAR(type) ? buf->buffer.m.planes[0].m.mem_offset : buf->buffer.m.offset);
+ if (addr == MAP_FAILED) {
+ av_log(avctx, AV_LOG_ERROR, "%s: mmap failed, %s (%d)\n", __func__, strerror(errno), errno);
+ return -1;
+ }
+
+ buf->addr = (uint8_t*)addr;
+ } else {
+ struct v4l2_exportbuffer exportbuffer = {
+ .type = type,
+ .index = buf->index,
+ .flags = O_RDONLY,
+ };
+
+ ret = ioctl(ctx->video_fd, VIDIOC_EXPBUF, &exportbuffer);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: export buffer %d failed, %s (%d)\n", __func__, buf->index, strerror(errno), errno);
+ return ret;
+ }
+
+ buf->fd = exportbuffer.fd;
+ }
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: buf=%p index=%d fd=%d addr=%p width=%u height=%u size=%u\n", __func__, buf, buf->index, buf->fd, buf->addr, buf->width, buf->height, buf->size);
+ return 0;
+}
+
+static void v4l2_request_buffer_free(V4L2RequestBuffer *buf)
+{
+ av_log(NULL, AV_LOG_DEBUG, "%s: buf=%p index=%d fd=%d addr=%p width=%u height=%u size=%u\n", __func__, buf, buf->index, buf->fd, buf->addr, buf->width, buf->height, buf->size);
+
+ if (buf->addr)
+ munmap(buf->addr, buf->size);
+
+ if (buf->fd >= 0)
+ close(buf->fd);
+}
+
+static void v4l2_request_frame_free(void *opaque, uint8_t *data)
+{
+ AVCodecContext *avctx = opaque;
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)data;
+
+ av_log(NULL, AV_LOG_DEBUG, "%s: avctx=%p data=%p request_fd=%d\n", __func__, avctx, data, req->request_fd);
+
+ if (req->request_fd >= 0)
+ close(req->request_fd);
+
+ v4l2_request_buffer_free(&req->capture);
+ v4l2_request_buffer_free(&req->output);
+
+ av_free(data);
+}
+
+static AVBufferRef *v4l2_request_frame_alloc(void *opaque, int size)
+{
+ AVCodecContext *avctx = opaque;
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ V4L2RequestDescriptor *req;
+ AVBufferRef *ref;
+ uint8_t *data;
+ int ret;
+
+ data = av_mallocz(size);
+ if (!data)
+ return NULL;
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p size=%d data=%p\n", __func__, avctx, size, data);
+
+ ref = av_buffer_create(data, size, v4l2_request_frame_free, avctx, 0);
+ if (!ref) {
+ av_freep(&data);
+ return NULL;
+ }
+
+ req = (V4L2RequestDescriptor*)data;
+ req->request_fd = -1;
+ req->output.fd = -1;
+ req->capture.fd = -1;
+
+ ret = v4l2_request_buffer_alloc(avctx, &req->output, ctx->output_type);
+ if (ret < 0) {
+ av_buffer_unref(&ref);
+ return NULL;
+ }
+
+ ret = v4l2_request_buffer_alloc(avctx, &req->capture, ctx->format.type);
+ if (ret < 0) {
+ av_buffer_unref(&ref);
+ return NULL;
+ }
+
+ ret = ioctl(ctx->media_fd, MEDIA_IOC_REQUEST_ALLOC, &req->request_fd);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "%s: request alloc failed, %s (%d)\n", __func__, strerror(errno), errno);
+ av_buffer_unref(&ref);
+ return NULL;
+ }
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p size=%d data=%p request_fd=%d\n", __func__, avctx, size, data, req->request_fd);
+ return ref;
+}
+
+static void v4l2_request_pool_free(void *opaque)
+{
+ av_log(NULL, AV_LOG_DEBUG, "%s: opaque=%p\n", __func__, opaque);
+}
+
+static void v4l2_request_hwframe_ctx_free(AVHWFramesContext *hwfc)
+{
+ av_log(NULL, AV_LOG_DEBUG, "%s: hwfc=%p pool=%p\n", __func__, hwfc, hwfc->pool);
+
+ av_buffer_pool_flush(hwfc->pool);
+ av_buffer_pool_uninit(&hwfc->pool);
+}
+
+int ff_v4l2_request_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
+{
+ V4L2RequestContext *ctx = avctx->internal->hwaccel_priv_data;
+ AVHWFramesContext *hwfc = (AVHWFramesContext*)hw_frames_ctx->data;
+
+ hwfc->format = AV_PIX_FMT_DRM_PRIME;
+ hwfc->sw_format = AV_PIX_FMT_NV12;
+ if (V4L2_TYPE_IS_MULTIPLANAR(ctx->format.type)) {
+ hwfc->width = ctx->format.fmt.pix_mp.width;
+ hwfc->height = ctx->format.fmt.pix_mp.height;
+ } else {
+ hwfc->width = ctx->format.fmt.pix.width;
+ hwfc->height = ctx->format.fmt.pix.height;
+ }
+
+ hwfc->pool = av_buffer_pool_init2(sizeof(V4L2RequestDescriptor), avctx, v4l2_request_frame_alloc, v4l2_request_pool_free);
+ if (!hwfc->pool)
+ return AVERROR(ENOMEM);
+
+ hwfc->free = v4l2_request_hwframe_ctx_free;
+
+ hwfc->initial_pool_size = 1;
+
+ switch (avctx->codec_id) {
+ case AV_CODEC_ID_VP9:
+ hwfc->initial_pool_size += 8;
+ break;
+ case AV_CODEC_ID_VP8:
+ hwfc->initial_pool_size += 3;
+ break;
+ default:
+ hwfc->initial_pool_size += 2;
+ }
+
+ av_log(avctx, AV_LOG_DEBUG, "%s: avctx=%p ctx=%p hw_frames_ctx=%p hwfc=%p pool=%p width=%d height=%d initial_pool_size=%d\n", __func__, avctx, ctx, hw_frames_ctx, hwfc, hwfc->pool, hwfc->width, hwfc->height, hwfc->initial_pool_size);
+
+ return 0;
+}
diff --git a/libavcodec/v4l2_request.h b/libavcodec/v4l2_request.h
new file mode 100644
index 00000000000..58d2aa70af8
--- /dev/null
+++ b/libavcodec/v4l2_request.h
@@ -0,0 +1,77 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_V4L2_REQUEST_H
+#define AVCODEC_V4L2_REQUEST_H
+
+#include <linux/videodev2.h>
+
+#include "libavutil/hwcontext_drm.h"
+
+typedef struct V4L2RequestContext {
+ int video_fd;
+ int media_fd;
+ enum v4l2_buf_type output_type;
+ struct v4l2_format format;
+ int timestamp;
+} V4L2RequestContext;
+
+typedef struct V4L2RequestBuffer {
+ int index;
+ int fd;
+ uint8_t *addr;
+ uint32_t width;
+ uint32_t height;
+ uint32_t size;
+ uint32_t used;
+ uint32_t capabilities;
+ struct v4l2_buffer buffer;
+} V4L2RequestBuffer;
+
+typedef struct V4L2RequestDescriptor {
+ AVDRMFrameDescriptor drm;
+ int request_fd;
+ V4L2RequestBuffer output;
+ V4L2RequestBuffer capture;
+} V4L2RequestDescriptor;
+
+uint64_t ff_v4l2_request_get_capture_timestamp(AVFrame *frame);
+
+int ff_v4l2_request_reset_frame(AVCodecContext *avctx, AVFrame *frame);
+
+int ff_v4l2_request_append_output_buffer(AVCodecContext *avctx, AVFrame *frame, const uint8_t *data, uint32_t size);
+
+int ff_v4l2_request_set_controls(AVCodecContext *avctx, struct v4l2_ext_control *control, int count);
+
+int ff_v4l2_request_get_controls(AVCodecContext *avctx, struct v4l2_ext_control *control, int count);
+
+int ff_v4l2_request_query_control(AVCodecContext *avctx, struct v4l2_query_ext_ctrl *control);
+
+int ff_v4l2_request_query_control_default_value(AVCodecContext *avctx, uint32_t id);
+
+int ff_v4l2_request_decode_slice(AVCodecContext *avctx, AVFrame *frame, struct v4l2_ext_control *control, int count, int first_slice, int last_slice);
+
+int ff_v4l2_request_decode_frame(AVCodecContext *avctx, AVFrame *frame, struct v4l2_ext_control *control, int count);
+
+int ff_v4l2_request_init(AVCodecContext *avctx, uint32_t pixelformat, uint32_t buffersize, struct v4l2_ext_control *control, int count);
+
+int ff_v4l2_request_uninit(AVCodecContext *avctx);
+
+int ff_v4l2_request_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx);
+
+#endif /* AVCODEC_V4L2_REQUEST_H */
From e1ae7e32ce4798f3032a04ccb20a1f76834c3bea Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 03/20] Add V4L2 request API mpeg2 hwaccel
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
configure | 3 +
libavcodec/Makefile | 1 +
libavcodec/hwaccels.h | 1 +
libavcodec/mpeg12dec.c | 6 ++
libavcodec/v4l2_request_mpeg2.c | 154 ++++++++++++++++++++++++++++++++
5 files changed, 165 insertions(+)
create mode 100644 libavcodec/v4l2_request_mpeg2.c
diff --git a/configure b/configure
index 9f9909a2369..6b157d6d3ef 100755
--- a/configure
+++ b/configure
@@ -2967,6 +2967,8 @@ mpeg2_dxva2_hwaccel_deps="dxva2"
mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
mpeg2_nvdec_hwaccel_deps="nvdec"
mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"
+mpeg2_v4l2request_hwaccel_deps="v4l2_request mpeg2_v4l2_request"
+mpeg2_v4l2request_hwaccel_select="mpeg2video_decoder"
mpeg2_vaapi_hwaccel_deps="vaapi"
mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
mpeg2_vdpau_hwaccel_deps="vdpau"
@@ -6567,6 +6569,7 @@ if enabled v4l2_m2m; then
fi
check_func_headers "linux/media.h linux/videodev2.h" v4l2_timeval_to_ns
+check_cc mpeg2_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2_SLICE;"
check_headers sys/videoio.h
test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index d7422051682..8963bd3e91c 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -922,6 +922,7 @@ OBJS-$(CONFIG_MPEG2_D3D11VA_HWACCEL) += dxva2_mpeg2.o
OBJS-$(CONFIG_MPEG2_DXVA2_HWACCEL) += dxva2_mpeg2.o
OBJS-$(CONFIG_MPEG2_NVDEC_HWACCEL) += nvdec_mpeg12.o
OBJS-$(CONFIG_MPEG2_QSV_HWACCEL) += qsvdec_other.o
+OBJS-$(CONFIG_MPEG2_V4L2REQUEST_HWACCEL) += v4l2_request_mpeg2.o
OBJS-$(CONFIG_MPEG2_VAAPI_HWACCEL) += vaapi_mpeg2.o
OBJS-$(CONFIG_MPEG2_VDPAU_HWACCEL) += vdpau_mpeg12.o
OBJS-$(CONFIG_MPEG2_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 6109c89bd63..172a546bb28 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -47,6 +47,7 @@ extern const AVHWAccel ff_mpeg2_d3d11va_hwaccel;
extern const AVHWAccel ff_mpeg2_d3d11va2_hwaccel;
extern const AVHWAccel ff_mpeg2_nvdec_hwaccel;
extern const AVHWAccel ff_mpeg2_dxva2_hwaccel;
+extern const AVHWAccel ff_mpeg2_v4l2request_hwaccel;
extern const AVHWAccel ff_mpeg2_vaapi_hwaccel;
extern const AVHWAccel ff_mpeg2_vdpau_hwaccel;
extern const AVHWAccel ff_mpeg2_videotoolbox_hwaccel;
diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
index 99e56532a59..15aaf97a34c 100644
--- a/libavcodec/mpeg12dec.c
+++ b/libavcodec/mpeg12dec.c
@@ -1154,6 +1154,9 @@ static const enum AVPixelFormat mpeg2_hwaccel_pixfmt_list_420[] = {
#endif
#if CONFIG_MPEG2_VIDEOTOOLBOX_HWACCEL
AV_PIX_FMT_VIDEOTOOLBOX,
+#endif
+#if CONFIG_MPEG2_V4L2REQUEST_HWACCEL
+ AV_PIX_FMT_DRM_PRIME,
#endif
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE
@@ -2952,6 +2955,9 @@ AVCodec ff_mpeg2video_decoder = {
#endif
#if CONFIG_MPEG2_XVMC_HWACCEL
HWACCEL_XVMC(mpeg2),
+#endif
+#if CONFIG_MPEG2_V4L2REQUEST_HWACCEL
+ HWACCEL_V4L2REQUEST(mpeg2),
#endif
NULL
},
diff --git a/libavcodec/v4l2_request_mpeg2.c b/libavcodec/v4l2_request_mpeg2.c
new file mode 100644
index 00000000000..88d86cc4c23
--- /dev/null
+++ b/libavcodec/v4l2_request_mpeg2.c
@@ -0,0 +1,154 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "hwconfig.h"
+#include "mpegvideo.h"
+#include "v4l2_request.h"
+
+typedef struct V4L2RequestControlsMPEG2 {
+ struct v4l2_ctrl_mpeg2_slice_params slice_params;
+ struct v4l2_ctrl_mpeg2_quantization quantization;
+} V4L2RequestControlsMPEG2;
+
+static int v4l2_request_mpeg2_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ const MpegEncContext *s = avctx->priv_data;
+ V4L2RequestControlsMPEG2 *controls = s->current_picture_ptr->hwaccel_picture_private;
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)s->current_picture_ptr->f->data[0];
+
+ controls->slice_params = (struct v4l2_ctrl_mpeg2_slice_params) {
+ .bit_size = 0,
+ .data_bit_offset = 0,
+
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Slice */
+ .quantiser_scale_code = s->qscale >> 1,
+
+ .sequence = {
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence header */
+ .horizontal_size = s->width,
+ .vertical_size = s->height,
+ .vbv_buffer_size = req->output.size,
+
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence extension */
+ .profile_and_level_indication = 0,
+ .progressive_sequence = s->progressive_sequence,
+ .chroma_format = s->chroma_format,
+ },
+
+ .picture = {
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture header */
+ .picture_coding_type = s->pict_type,
+
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture coding extension */
+ .f_code[0][0] = s->mpeg_f_code[0][0],
+ .f_code[0][1] = s->mpeg_f_code[0][1],
+ .f_code[1][0] = s->mpeg_f_code[1][0],
+ .f_code[1][1] = s->mpeg_f_code[1][1],
+ .intra_dc_precision = s->intra_dc_precision,
+ .picture_structure = s->picture_structure,
+ .top_field_first = s->top_field_first,
+ .frame_pred_frame_dct = s->frame_pred_frame_dct,
+ .concealment_motion_vectors = s->concealment_motion_vectors,
+ .q_scale_type = s->q_scale_type,
+ .intra_vlc_format = s->intra_vlc_format,
+ .alternate_scan = s->alternate_scan,
+ .repeat_first_field = s->repeat_first_field,
+ .progressive_frame = s->progressive_frame,
+ },
+ };
+
+ switch (s->pict_type) {
+ case AV_PICTURE_TYPE_B:
+ controls->slice_params.backward_ref_ts = ff_v4l2_request_get_capture_timestamp(s->next_picture.f);
+ // fall-through
+ case AV_PICTURE_TYPE_P:
+ controls->slice_params.forward_ref_ts = ff_v4l2_request_get_capture_timestamp(s->last_picture.f);
+ }
+
+ controls->quantization = (struct v4l2_ctrl_mpeg2_quantization) {
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Quant matrix extension */
+ .load_intra_quantiser_matrix = 1,
+ .load_non_intra_quantiser_matrix = 1,
+ .load_chroma_intra_quantiser_matrix = 1,
+ .load_chroma_non_intra_quantiser_matrix = 1,
+ };
+
+ for (int i = 0; i < 64; i++) {
+ int n = s->idsp.idct_permutation[ff_zigzag_direct[i]];
+ controls->quantization.intra_quantiser_matrix[i] = s->intra_matrix[n];
+ controls->quantization.non_intra_quantiser_matrix[i] = s->inter_matrix[n];
+ controls->quantization.chroma_intra_quantiser_matrix[i] = s->chroma_intra_matrix[n];
+ controls->quantization.chroma_non_intra_quantiser_matrix[i] = s->chroma_inter_matrix[n];
+ }
+
+ return ff_v4l2_request_reset_frame(avctx, s->current_picture_ptr->f);
+}
+
+static int v4l2_request_mpeg2_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
+{
+ const MpegEncContext *s = avctx->priv_data;
+
+ return ff_v4l2_request_append_output_buffer(avctx, s->current_picture_ptr->f, buffer, size);
+}
+
+static int v4l2_request_mpeg2_end_frame(AVCodecContext *avctx)
+{
+ const MpegEncContext *s = avctx->priv_data;
+ V4L2RequestControlsMPEG2 *controls = s->current_picture_ptr->hwaccel_picture_private;
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)s->current_picture_ptr->f->data[0];
+
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,
+ .ptr = &controls->slice_params,
+ .size = sizeof(controls->slice_params),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION,
+ .ptr = &controls->quantization,
+ .size = sizeof(controls->quantization),
+ },
+ };
+
+ controls->slice_params.bit_size = req->output.used * 8;
+
+ return ff_v4l2_request_decode_frame(avctx, s->current_picture_ptr->f, control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_mpeg2_init(AVCodecContext *avctx)
+{
+ return ff_v4l2_request_init(avctx, V4L2_PIX_FMT_MPEG2_SLICE, 1024 * 1024, NULL, 0);
+}
+
+const AVHWAccel ff_mpeg2_v4l2request_hwaccel = {
+ .name = "mpeg2_v4l2request",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MPEG2VIDEO,
+ .pix_fmt = AV_PIX_FMT_DRM_PRIME,
+ .start_frame = v4l2_request_mpeg2_start_frame,
+ .decode_slice = v4l2_request_mpeg2_decode_slice,
+ .end_frame = v4l2_request_mpeg2_end_frame,
+ .frame_priv_data_size = sizeof(V4L2RequestControlsMPEG2),
+ .init = v4l2_request_mpeg2_init,
+ .uninit = ff_v4l2_request_uninit,
+ .priv_data_size = sizeof(V4L2RequestContext),
+ .frame_params = ff_v4l2_request_frame_params,
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};
From 8a728ea300aee2fab7a181cab06c2c3cfdd0b705 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 04/20] Add V4L2 request API h264 hwaccel
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
configure | 3 +
libavcodec/Makefile | 1 +
libavcodec/h264_slice.c | 4 +
libavcodec/h264dec.c | 3 +
libavcodec/hwaccels.h | 1 +
libavcodec/v4l2_request_h264.c | 460 +++++++++++++++++++++++++++++++++
6 files changed, 472 insertions(+)
create mode 100644 libavcodec/v4l2_request_h264.c
diff --git a/configure b/configure
index 6b157d6d3ef..1a7720ebe3b 100755
--- a/configure
+++ b/configure
@@ -2925,6 +2925,8 @@ h264_dxva2_hwaccel_deps="dxva2"
h264_dxva2_hwaccel_select="h264_decoder"
h264_nvdec_hwaccel_deps="nvdec"
h264_nvdec_hwaccel_select="h264_decoder"
+h264_v4l2request_hwaccel_deps="v4l2_request h264_v4l2_request"
+h264_v4l2request_hwaccel_select="h264_decoder"
h264_vaapi_hwaccel_deps="vaapi"
h264_vaapi_hwaccel_select="h264_decoder"
h264_vdpau_hwaccel_deps="vdpau"
@@ -6569,6 +6571,7 @@ if enabled v4l2_m2m; then
fi
check_func_headers "linux/media.h linux/videodev2.h" v4l2_timeval_to_ns
+check_cc h264_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_H264_SLICE;"
check_cc mpeg2_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2_SLICE;"
check_headers sys/videoio.h
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 8963bd3e91c..9a10a292e37 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -903,6 +903,7 @@ OBJS-$(CONFIG_H264_D3D11VA_HWACCEL) += dxva2_h264.o
OBJS-$(CONFIG_H264_DXVA2_HWACCEL) += dxva2_h264.o
OBJS-$(CONFIG_H264_NVDEC_HWACCEL) += nvdec_h264.o
OBJS-$(CONFIG_H264_QSV_HWACCEL) += qsvdec_h2645.o
+OBJS-$(CONFIG_H264_V4L2REQUEST_HWACCEL) += v4l2_request_h264.o
OBJS-$(CONFIG_H264_VAAPI_HWACCEL) += vaapi_h264.o
OBJS-$(CONFIG_H264_VDPAU_HWACCEL) += vdpau_h264.o
OBJS-$(CONFIG_H264_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index db8363e4cc9..3ae11ac8a71 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -759,6 +759,7 @@ static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
#define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
(CONFIG_H264_D3D11VA_HWACCEL * 2) + \
CONFIG_H264_NVDEC_HWACCEL + \
+ CONFIG_H264_V4L2REQUEST_HWACCEL + \
CONFIG_H264_VAAPI_HWACCEL + \
CONFIG_H264_VIDEOTOOLBOX_HWACCEL + \
CONFIG_H264_VDPAU_HWACCEL)
@@ -843,6 +844,9 @@ static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
#endif
#if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
*fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
+#endif
+#if CONFIG_H264_V4L2REQUEST_HWACCEL
+ *fmt++ = AV_PIX_FMT_DRM_PRIME;
#endif
if (h->avctx->codec->pix_fmts)
choices = h->avctx->codec->pix_fmts;
diff --git a/libavcodec/h264dec.c b/libavcodec/h264dec.c
index 5eedeb3c275..a504c89565c 100644
--- a/libavcodec/h264dec.c
+++ b/libavcodec/h264dec.c
@@ -1102,6 +1102,9 @@ AVCodec ff_h264_decoder = {
#endif
#if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
HWACCEL_VIDEOTOOLBOX(h264),
+#endif
+#if CONFIG_H264_V4L2REQUEST_HWACCEL
+ HWACCEL_V4L2REQUEST(h264),
#endif
NULL
},
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 172a546bb28..44e00e79b51 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -27,6 +27,7 @@ extern const AVHWAccel ff_h264_d3d11va_hwaccel;
extern const AVHWAccel ff_h264_d3d11va2_hwaccel;
extern const AVHWAccel ff_h264_dxva2_hwaccel;
extern const AVHWAccel ff_h264_nvdec_hwaccel;
+extern const AVHWAccel ff_h264_v4l2request_hwaccel;
extern const AVHWAccel ff_h264_vaapi_hwaccel;
extern const AVHWAccel ff_h264_vdpau_hwaccel;
extern const AVHWAccel ff_h264_videotoolbox_hwaccel;
diff --git a/libavcodec/v4l2_request_h264.c b/libavcodec/v4l2_request_h264.c
new file mode 100644
index 00000000000..94b9aca8ad4
--- /dev/null
+++ b/libavcodec/v4l2_request_h264.c
@@ -0,0 +1,460 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "h264dec.h"
+#include "hwconfig.h"
+#include "v4l2_request.h"
+
+typedef struct V4L2RequestControlsH264 {
+ struct v4l2_ctrl_h264_sps sps;
+ struct v4l2_ctrl_h264_pps pps;
+ struct v4l2_ctrl_h264_scaling_matrix scaling_matrix;
+ struct v4l2_ctrl_h264_decode_params decode_params;
+ struct v4l2_ctrl_h264_slice_params slice_params[MAX_SLICES];
+ int first_slice;
+} V4L2RequestControlsH264;
+
+typedef struct V4L2RequestContextH264 {
+ V4L2RequestContext base;
+ int decode_mode;
+ int start_code;
+ int max_slices;
+} V4L2RequestContextH264;
+
+static uint8_t nalu_slice_start_code[] = { 0x00, 0x00, 0x01 };
+
+static void fill_weight_factors(struct v4l2_h264_weight_factors *factors, int list, const H264SliceContext *sl)
+{
+ for (int i = 0; i < sl->ref_count[list]; i++) {
+ if (sl->pwt.luma_weight_flag[list]) {
+ factors->luma_weight[i] = sl->pwt.luma_weight[i][list][0];
+ factors->luma_offset[i] = sl->pwt.luma_weight[i][list][1];
+ } else {
+ factors->luma_weight[i] = 1 << sl->pwt.luma_log2_weight_denom;
+ factors->luma_offset[i] = 0;
+ }
+ for (int j = 0; j < 2; j++) {
+ if (sl->pwt.chroma_weight_flag[list]) {
+ factors->chroma_weight[i][j] = sl->pwt.chroma_weight[i][list][j][0];
+ factors->chroma_offset[i][j] = sl->pwt.chroma_weight[i][list][j][1];
+ } else {
+ factors->chroma_weight[i][j] = 1 << sl->pwt.chroma_log2_weight_denom;
+ factors->chroma_offset[i][j] = 0;
+ }
+ }
+ }
+}
+
+static void fill_dpb_entry(struct v4l2_h264_dpb_entry *entry, const H264Picture *pic)
+{
+ entry->reference_ts = ff_v4l2_request_get_capture_timestamp(pic->f);
+ entry->frame_num = pic->frame_num;
+ entry->pic_num = pic->pic_id;
+ entry->flags = V4L2_H264_DPB_ENTRY_FLAG_VALID;
+ if (pic->reference)
+ entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
+ if (pic->long_ref)
+ entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM;
+ if (pic->field_poc[0] != INT_MAX)
+ entry->top_field_order_cnt = pic->field_poc[0];
+ if (pic->field_poc[1] != INT_MAX)
+ entry->bottom_field_order_cnt = pic->field_poc[1];
+}
+
+static void fill_dpb(struct v4l2_ctrl_h264_decode_params *decode, const H264Context *h)
+{
+ int entries = 0;
+
+ for (int i = 0; i < h->short_ref_count; i++) {
+ const H264Picture *pic = h->short_ref[i];
+ if (pic && (pic->field_poc[0] != INT_MAX || pic->field_poc[1] != INT_MAX))
+ fill_dpb_entry(&decode->dpb[entries++], pic);
+ }
+
+ if (!h->long_ref_count)
+ return;
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(h->long_ref); i++) {
+ const H264Picture *pic = h->long_ref[i];
+ if (pic && (pic->field_poc[0] != INT_MAX || pic->field_poc[1] != INT_MAX))
+ fill_dpb_entry(&decode->dpb[entries++], pic);
+ }
+}
+
+static uint8_t get_dpb_index(struct v4l2_ctrl_h264_decode_params *decode, const H264Ref *ref)
+{
+ uint64_t timestamp;
+
+ if (!ref->parent)
+ return 0;
+
+ timestamp = ff_v4l2_request_get_capture_timestamp(ref->parent->f);
+
+ for (uint8_t i = 0; i < FF_ARRAY_ELEMS(decode->dpb); i++) {
+ struct v4l2_h264_dpb_entry *entry = &decode->dpb[i];
+ if ((entry->flags & V4L2_H264_DPB_ENTRY_FLAG_VALID) &&
+ entry->reference_ts == timestamp)
+ return i;
+ }
+
+ return 0;
+}
+
+static void fill_sps(struct v4l2_ctrl_h264_sps *ctrl, const H264Context *h)
+{
+ const SPS *sps = h->ps.sps;
+
+ *ctrl = (struct v4l2_ctrl_h264_sps) {
+ .profile_idc = sps->profile_idc,
+ .constraint_set_flags = sps->constraint_set_flags,
+ .level_idc = sps->level_idc,
+ .seq_parameter_set_id = sps->sps_id,
+ .chroma_format_idc = sps->chroma_format_idc,
+ .bit_depth_luma_minus8 = sps->bit_depth_luma - 8,
+ .bit_depth_chroma_minus8 = sps->bit_depth_chroma - 8,
+ .log2_max_frame_num_minus4 = sps->log2_max_frame_num - 4,
+ .pic_order_cnt_type = sps->poc_type,
+ .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
+ .max_num_ref_frames = sps->ref_frame_count,
+ .num_ref_frames_in_pic_order_cnt_cycle = sps->poc_cycle_length,
+ //.offset_for_ref_frame[255] - not required? not set by libva-v4l2-request - copy sps->offset_for_ref_frame
+ .offset_for_non_ref_pic = sps->offset_for_non_ref_pic,
+ .offset_for_top_to_bottom_field = sps->offset_for_top_to_bottom_field,
+ .pic_width_in_mbs_minus1 = h->mb_width - 1,
+ .pic_height_in_map_units_minus1 = sps->frame_mbs_only_flag ? h->mb_height - 1 : h->mb_height / 2 - 1,
+ };
+
+ if (sps->residual_color_transform_flag)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE;
+ if (sps->transform_bypass)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS;
+ if (sps->delta_pic_order_always_zero_flag)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO;
+ if (sps->gaps_in_frame_num_allowed_flag)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_GAPS_IN_FRAME_NUM_VALUE_ALLOWED;
+ if (sps->frame_mbs_only_flag)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY;
+ if (sps->mb_aff)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD;
+ if (sps->direct_8x8_inference_flag)
+ ctrl->flags |= V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE;
+}
+
+static void fill_pps(struct v4l2_ctrl_h264_pps *ctrl, const H264Context *h)
+{
+ const SPS *sps = h->ps.sps;
+ const PPS *pps = h->ps.pps;
+ const H264SliceContext *sl = &h->slice_ctx[0];
+ int qp_bd_offset = 6 * (sps->bit_depth_luma - 8);
+
+ *ctrl = (struct v4l2_ctrl_h264_pps) {
+ .pic_parameter_set_id = sl->pps_id,
+ .seq_parameter_set_id = pps->sps_id,
+ .num_slice_groups_minus1 = pps->slice_group_count - 1,
+ .num_ref_idx_l0_default_active_minus1 = pps->ref_count[0] - 1,
+ .num_ref_idx_l1_default_active_minus1 = pps->ref_count[1] - 1,
+ .weighted_bipred_idc = pps->weighted_bipred_idc,
+ .pic_init_qp_minus26 = pps->init_qp - 26 - qp_bd_offset,
+ .pic_init_qs_minus26 = pps->init_qs - 26 - qp_bd_offset,
+ .chroma_qp_index_offset = pps->chroma_qp_index_offset[0],
+ .second_chroma_qp_index_offset = pps->chroma_qp_index_offset[1],
+ };
+
+ if (pps->cabac)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE;
+ if (pps->pic_order_present)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT;
+ if (pps->weighted_pred)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_WEIGHTED_PRED;
+ if (pps->deblocking_filter_parameters_present)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT;
+ if (pps->constrained_intra_pred)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED;
+ if (pps->redundant_pic_cnt_present)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT;
+ if (pps->transform_8x8_mode)
+ ctrl->flags |= V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE;
+}
+
+static int v4l2_request_h264_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ const H264Context *h = avctx->priv_data;
+ const PPS *pps = h->ps.pps;
+ const SPS *sps = h->ps.sps;
+ V4L2RequestControlsH264 *controls = h->cur_pic_ptr->hwaccel_picture_private;
+
+ fill_sps(&controls->sps, h);
+ fill_pps(&controls->pps, h);
+
+ memcpy(controls->scaling_matrix.scaling_list_4x4, pps->scaling_matrix4, sizeof(controls->scaling_matrix.scaling_list_4x4));
+ memcpy(controls->scaling_matrix.scaling_list_8x8[0], pps->scaling_matrix8[0], sizeof(controls->scaling_matrix.scaling_list_8x8[0]));
+ memcpy(controls->scaling_matrix.scaling_list_8x8[1], pps->scaling_matrix8[3], sizeof(controls->scaling_matrix.scaling_list_8x8[1]));
+
+ if (sps->chroma_format_idc == 3) {
+ memcpy(controls->scaling_matrix.scaling_list_8x8[2], pps->scaling_matrix8[1], sizeof(controls->scaling_matrix.scaling_list_8x8[2]));
+ memcpy(controls->scaling_matrix.scaling_list_8x8[3], pps->scaling_matrix8[4], sizeof(controls->scaling_matrix.scaling_list_8x8[3]));
+ memcpy(controls->scaling_matrix.scaling_list_8x8[4], pps->scaling_matrix8[2], sizeof(controls->scaling_matrix.scaling_list_8x8[4]));
+ memcpy(controls->scaling_matrix.scaling_list_8x8[5], pps->scaling_matrix8[5], sizeof(controls->scaling_matrix.scaling_list_8x8[5]));
+ }
+
+ controls->decode_params = (struct v4l2_ctrl_h264_decode_params) {
+ .num_slices = 0,
+ .nal_ref_idc = h->nal_ref_idc,
+ .top_field_order_cnt = h->cur_pic_ptr->field_poc[0] != INT_MAX ? h->cur_pic_ptr->field_poc[0] : 0,
+ .bottom_field_order_cnt = h->cur_pic_ptr->field_poc[1] != INT_MAX ? h->cur_pic_ptr->field_poc[1] : 0,
+ };
+
+ if (h->picture_idr)
+ controls->decode_params.flags |= V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC;
+
+ fill_dpb(&controls->decode_params, h);
+
+ controls->first_slice = !FIELD_PICTURE(h) || h->first_field;
+
+ return ff_v4l2_request_reset_frame(avctx, h->cur_pic_ptr->f);
+}
+
+static int v4l2_request_h264_queue_decode(AVCodecContext *avctx, int last_slice)
+{
+ const H264Context *h = avctx->priv_data;
+ V4L2RequestControlsH264 *controls = h->cur_pic_ptr->hwaccel_picture_private;
+ V4L2RequestContextH264 *ctx = avctx->internal->hwaccel_priv_data;
+
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SPS,
+ .ptr = &controls->sps,
+ .size = sizeof(controls->sps),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_PPS,
+ .ptr = &controls->pps,
+ .size = sizeof(controls->pps),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
+ .ptr = &controls->scaling_matrix,
+ .size = sizeof(controls->scaling_matrix),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
+ .ptr = &controls->slice_params,
+ .size = sizeof(controls->slice_params[0]) * FFMAX(FFMIN(controls->decode_params.num_slices, MAX_SLICES), ctx->max_slices),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
+ .ptr = &controls->decode_params,
+ .size = sizeof(controls->decode_params),
+ },
+ };
+
+ if (ctx->decode_mode == V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED)
+ return ff_v4l2_request_decode_slice(avctx, h->cur_pic_ptr->f, control, FF_ARRAY_ELEMS(control), controls->first_slice, last_slice);
+
+ return ff_v4l2_request_decode_frame(avctx, h->cur_pic_ptr->f, control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_h264_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
+{
+ const H264Context *h = avctx->priv_data;
+ const PPS *pps = h->ps.pps;
+ const H264SliceContext *sl = &h->slice_ctx[0];
+ V4L2RequestControlsH264 *controls = h->cur_pic_ptr->hwaccel_picture_private;
+ V4L2RequestContextH264 *ctx = avctx->internal->hwaccel_priv_data;
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)h->cur_pic_ptr->f->data[0];
+ int i, ret, count, slice = FFMIN(controls->decode_params.num_slices, MAX_SLICES - 1);
+
+ if (ctx->decode_mode == V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED && slice) {
+ ret = v4l2_request_h264_queue_decode(avctx, 0);
+ if (ret)
+ return ret;
+
+ ff_v4l2_request_reset_frame(avctx, h->cur_pic_ptr->f);
+ slice = controls->decode_params.num_slices = 0;
+ controls->first_slice = 0;
+ }
+
+ controls->slice_params[slice] = (struct v4l2_ctrl_h264_slice_params) {
+ /* Size in bytes, including header */
+ .size = 0,
+ .start_byte_offset = req->output.used,
+ /* Offset in bits to slice_data() from the beginning of this slice. */
+ .header_bit_size = get_bits_count(&sl->gb),
+
+ .first_mb_in_slice = sl->first_mb_addr,
+ .slice_type = ff_h264_get_slice_type(sl),
+ .pic_parameter_set_id = sl->pps_id,
+ .colour_plane_id = 0, /* what is this? */
+ .frame_num = h->poc.frame_num,
+ .idr_pic_id = 0, /* what is this? */
+ .pic_order_cnt_lsb = sl->poc_lsb,
+ .delta_pic_order_cnt_bottom = sl->delta_poc_bottom,
+ .delta_pic_order_cnt0 = sl->delta_poc[0],
+ .delta_pic_order_cnt1 = sl->delta_poc[1],
+ .redundant_pic_cnt = sl->redundant_pic_count,
+
+ /* Size in bits of dec_ref_pic_marking() syntax element. */
+ .dec_ref_pic_marking_bit_size = 0,
+ /* Size in bits of pic order count syntax. */
+ .pic_order_cnt_bit_size = 0,
+
+ .cabac_init_idc = sl->cabac_init_idc,
+ .slice_qp_delta = sl->qscale - pps->init_qp,
+ .slice_qs_delta = 0, /* XXX not implemented by FFmpeg */
+ .disable_deblocking_filter_idc = sl->deblocking_filter < 2 ? !sl->deblocking_filter : sl->deblocking_filter,
+ .slice_alpha_c0_offset_div2 = sl->slice_alpha_c0_offset / 2,
+ .slice_beta_offset_div2 = sl->slice_beta_offset / 2,
+ .slice_group_change_cycle = 0, /* what is this? */
+
+ .num_ref_idx_l0_active_minus1 = sl->list_count > 0 ? sl->ref_count[0] - 1 : 0,
+ .num_ref_idx_l1_active_minus1 = sl->list_count > 1 ? sl->ref_count[1] - 1 : 0,
+ };
+
+ if (FIELD_PICTURE(h))
+ controls->slice_params[slice].flags |= V4L2_H264_SLICE_FLAG_FIELD_PIC;
+ if (h->picture_structure == PICT_BOTTOM_FIELD)
+ controls->slice_params[slice].flags |= V4L2_H264_SLICE_FLAG_BOTTOM_FIELD;
+ if (sl->slice_type == AV_PICTURE_TYPE_B && sl->direct_spatial_mv_pred)
+ controls->slice_params[slice].flags |= V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED;
+
+ controls->slice_params[slice].pred_weight_table.chroma_log2_weight_denom = sl->pwt.chroma_log2_weight_denom;
+ controls->slice_params[slice].pred_weight_table.luma_log2_weight_denom = sl->pwt.luma_log2_weight_denom;
+
+ count = sl->list_count > 0 ? sl->ref_count[0] : 0;
+ for (i = 0; i < count; i++)
+ controls->slice_params[slice].ref_pic_list0[i] = get_dpb_index(&controls->decode_params, &sl->ref_list[0][i]);
+ if (count)
+ fill_weight_factors(&controls->slice_params[slice].pred_weight_table.weight_factors[0], 0, sl);
+
+ count = sl->list_count > 1 ? sl->ref_count[1] : 0;
+ for (i = 0; i < count; i++)
+ controls->slice_params[slice].ref_pic_list1[i] = get_dpb_index(&controls->decode_params, &sl->ref_list[1][i]);
+ if (count)
+ fill_weight_factors(&controls->slice_params[slice].pred_weight_table.weight_factors[1], 1, sl);
+
+ if (ctx->start_code == V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B) {
+ ret = ff_v4l2_request_append_output_buffer(avctx, h->cur_pic_ptr->f, nalu_slice_start_code, 3);
+ if (ret)
+ return ret;
+ }
+
+ ret = ff_v4l2_request_append_output_buffer(avctx, h->cur_pic_ptr->f, buffer, size);
+ if (ret)
+ return ret;
+
+ controls->slice_params[slice].size = req->output.used - controls->slice_params[slice].start_byte_offset;
+ controls->decode_params.num_slices++;
+ return 0;
+}
+
+static int v4l2_request_h264_end_frame(AVCodecContext *avctx)
+{
+ const H264Context *h = avctx->priv_data;
+ return v4l2_request_h264_queue_decode(avctx, !FIELD_PICTURE(h) || !h->first_field);
+}
+
+static int v4l2_request_h264_set_controls(AVCodecContext *avctx)
+{
+ V4L2RequestContextH264 *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+
+ struct v4l2_ext_control control[] = {
+ { .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE, },
+ { .id = V4L2_CID_MPEG_VIDEO_H264_START_CODE, },
+ };
+ struct v4l2_query_ext_ctrl slice_params = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
+ };
+
+ ctx->decode_mode = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE);
+ if (ctx->decode_mode != V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED &&
+ ctx->decode_mode != V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED) {
+ av_log(avctx, AV_LOG_ERROR, "%s: unsupported decode mode, %d\n", __func__, ctx->decode_mode);
+ return AVERROR(EINVAL);
+ }
+
+ ctx->start_code = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_MPEG_VIDEO_H264_START_CODE);
+ if (ctx->start_code != V4L2_MPEG_VIDEO_H264_START_CODE_NONE &&
+ ctx->start_code != V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B) {
+ av_log(avctx, AV_LOG_ERROR, "%s: unsupported start code, %d\n", __func__, ctx->start_code);
+ return AVERROR(EINVAL);
+ }
+
+ ret = ff_v4l2_request_query_control(avctx, &slice_params);
+ if (ret)
+ return ret;
+
+ ctx->max_slices = slice_params.elems;
+ if (ctx->max_slices > MAX_SLICES) {
+ av_log(avctx, AV_LOG_ERROR, "%s: unsupported max slices, %d\n", __func__, ctx->max_slices);
+ return AVERROR(EINVAL);
+ }
+
+ control[0].value = ctx->decode_mode;
+ control[1].value = ctx->start_code;
+
+ return ff_v4l2_request_set_controls(avctx, control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_h264_init(AVCodecContext *avctx)
+{
+ const H264Context *h = avctx->priv_data;
+ struct v4l2_ctrl_h264_sps sps;
+ struct v4l2_ctrl_h264_pps pps;
+ int ret;
+
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SPS,
+ .ptr = &sps,
+ .size = sizeof(sps),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_PPS,
+ .ptr = &pps,
+ .size = sizeof(pps),
+ },
+ };
+
+ fill_sps(&sps, h);
+ fill_pps(&pps, h);
+
+ ret = ff_v4l2_request_init(avctx, V4L2_PIX_FMT_H264_SLICE, 4 * 1024 * 1024, control, FF_ARRAY_ELEMS(control));
+ if (ret)
+ return ret;
+
+ return v4l2_request_h264_set_controls(avctx);
+}
+
+const AVHWAccel ff_h264_v4l2request_hwaccel = {
+ .name = "h264_v4l2request",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .pix_fmt = AV_PIX_FMT_DRM_PRIME,
+ .start_frame = v4l2_request_h264_start_frame,
+ .decode_slice = v4l2_request_h264_decode_slice,
+ .end_frame = v4l2_request_h264_end_frame,
+ .frame_priv_data_size = sizeof(V4L2RequestControlsH264),
+ .init = v4l2_request_h264_init,
+ .uninit = ff_v4l2_request_uninit,
+ .priv_data_size = sizeof(V4L2RequestContextH264),
+ .frame_params = ff_v4l2_request_frame_params,
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};
From 72758190a3d062b64db756c60761187a2b9ce1c9 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 05/20] Add V4L2 request API hevc hwaccel
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
configure | 3 +
libavcodec/Makefile | 1 +
libavcodec/hevcdec.c | 10 +
libavcodec/hwaccels.h | 1 +
libavcodec/v4l2_request_hevc.c | 533 +++++++++++++++++++++++++++++++++
5 files changed, 548 insertions(+)
create mode 100644 libavcodec/v4l2_request_hevc.c
diff --git a/configure b/configure
index 1a7720ebe3b..58abd99335b 100755
--- a/configure
+++ b/configure
@@ -2941,6 +2941,8 @@ hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
hevc_dxva2_hwaccel_select="hevc_decoder"
hevc_nvdec_hwaccel_deps="nvdec"
hevc_nvdec_hwaccel_select="hevc_decoder"
+hevc_v4l2request_hwaccel_deps="v4l2_request hevc_v4l2_request"
+hevc_v4l2request_hwaccel_select="hevc_decoder"
hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
hevc_vaapi_hwaccel_select="hevc_decoder"
hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
@@ -6572,6 +6574,7 @@ fi
check_func_headers "linux/media.h linux/videodev2.h" v4l2_timeval_to_ns
check_cc h264_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_H264_SLICE;"
+check_cc hevc_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC_SLICE;"
check_cc mpeg2_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2_SLICE;"
check_headers sys/videoio.h
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 9a10a292e37..5d0e1d7dae7 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -911,6 +911,7 @@ OBJS-$(CONFIG_HEVC_D3D11VA_HWACCEL) += dxva2_hevc.o
OBJS-$(CONFIG_HEVC_DXVA2_HWACCEL) += dxva2_hevc.o
OBJS-$(CONFIG_HEVC_NVDEC_HWACCEL) += nvdec_hevc.o
OBJS-$(CONFIG_HEVC_QSV_HWACCEL) += qsvdec_h2645.o
+OBJS-$(CONFIG_HEVC_V4L2REQUEST_HWACCEL) += v4l2_request_hevc.o
OBJS-$(CONFIG_HEVC_VAAPI_HWACCEL) += vaapi_hevc.o h265_profile_level.o
OBJS-$(CONFIG_HEVC_VDPAU_HWACCEL) += vdpau_hevc.o
OBJS-$(CONFIG_MJPEG_NVDEC_HWACCEL) += nvdec_mjpeg.o
diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
index 0772608a30e..d01b7b34bce 100644
--- a/libavcodec/hevcdec.c
+++ b/libavcodec/hevcdec.c
@@ -372,6 +372,7 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
#define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL + \
CONFIG_HEVC_D3D11VA_HWACCEL * 2 + \
CONFIG_HEVC_NVDEC_HWACCEL + \
+ CONFIG_HEVC_V4L2REQUEST_HWACCEL + \
CONFIG_HEVC_VAAPI_HWACCEL + \
CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL + \
CONFIG_HEVC_VDPAU_HWACCEL)
@@ -398,6 +399,9 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
#endif
#if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL
*fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
+#endif
+#if CONFIG_HEVC_V4L2REQUEST_HWACCEL
+ *fmt++ = AV_PIX_FMT_DRM_PRIME;
#endif
break;
case AV_PIX_FMT_YUV420P10:
@@ -416,6 +420,9 @@ static enum AVPixelFormat get_format(HEVCContext *s, const HEVCSPS *sps)
#endif
#if CONFIG_HEVC_NVDEC_HWACCEL
*fmt++ = AV_PIX_FMT_CUDA;
+#endif
+#if CONFIG_HEVC_V4L2REQUEST_HWACCEL
+ *fmt++ = AV_PIX_FMT_DRM_PRIME;
#endif
break;
case AV_PIX_FMT_YUV444P:
@@ -3588,6 +3595,9 @@ AVCodec ff_hevc_decoder = {
#endif
#if CONFIG_HEVC_VIDEOTOOLBOX_HWACCEL
HWACCEL_VIDEOTOOLBOX(hevc),
+#endif
+#if CONFIG_HEVC_V4L2REQUEST_HWACCEL
+ HWACCEL_V4L2REQUEST(hevc),
#endif
NULL
},
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index 44e00e79b51..e2f90a5fdd5 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -35,6 +35,7 @@ extern const AVHWAccel ff_hevc_d3d11va_hwaccel;
extern const AVHWAccel ff_hevc_d3d11va2_hwaccel;
extern const AVHWAccel ff_hevc_dxva2_hwaccel;
extern const AVHWAccel ff_hevc_nvdec_hwaccel;
+extern const AVHWAccel ff_hevc_v4l2request_hwaccel;
extern const AVHWAccel ff_hevc_vaapi_hwaccel;
extern const AVHWAccel ff_hevc_vdpau_hwaccel;
extern const AVHWAccel ff_hevc_videotoolbox_hwaccel;
diff --git a/libavcodec/v4l2_request_hevc.c b/libavcodec/v4l2_request_hevc.c
new file mode 100644
index 00000000000..f7249095465
--- /dev/null
+++ b/libavcodec/v4l2_request_hevc.c
@@ -0,0 +1,533 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "hevcdec.h"
+#include "hwconfig.h"
+#include "v4l2_request.h"
+
+#define MAX_SLICES 16
+
+typedef struct V4L2RequestControlsHEVC {
+ struct v4l2_ctrl_hevc_sps sps;
+ struct v4l2_ctrl_hevc_pps pps;
+ struct v4l2_ctrl_hevc_slice_params slice_params[MAX_SLICES];
+ int first_slice;
+ int num_slices; //TODO: this should be in control
+} V4L2RequestControlsHEVC;
+
+typedef struct V4L2RequestContextHEVC {
+ V4L2RequestContext base;
+ int decode_mode;
+ int start_code;
+ int max_slices;
+} V4L2RequestContextHEVC;
+
+static uint8_t nalu_slice_start_code[] = { 0x00, 0x00, 0x01 };
+
+static void v4l2_request_hevc_fill_pred_table(const HEVCContext *h, struct v4l2_hevc_pred_weight_table *table)
+{
+ int32_t luma_weight_denom, chroma_weight_denom;
+ const SliceHeader *sh = &h->sh;
+
+ if (sh->slice_type == HEVC_SLICE_I ||
+ (sh->slice_type == HEVC_SLICE_P && !h->ps.pps->weighted_pred_flag) ||
+ (sh->slice_type == HEVC_SLICE_B && !h->ps.pps->weighted_bipred_flag))
+ return;
+
+ table->luma_log2_weight_denom = sh->luma_log2_weight_denom;
+
+ if (h->ps.sps->chroma_format_idc)
+ table->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom;
+
+ luma_weight_denom = (1 << sh->luma_log2_weight_denom);
+ chroma_weight_denom = (1 << sh->chroma_log2_weight_denom);
+
+ for (int i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
+ table->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - luma_weight_denom;
+ table->luma_offset_l0[i] = sh->luma_offset_l0[i];
+ table->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - chroma_weight_denom;
+ table->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - chroma_weight_denom;
+ table->chroma_offset_l0[i][0] = sh->chroma_offset_l0[i][0];
+ table->chroma_offset_l0[i][1] = sh->chroma_offset_l0[i][1];
+ }
+
+ if (sh->slice_type != HEVC_SLICE_B)
+ return;
+
+ for (int i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
+ table->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - luma_weight_denom;
+ table->luma_offset_l1[i] = sh->luma_offset_l1[i];
+ table->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - chroma_weight_denom;
+ table->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - chroma_weight_denom;
+ table->chroma_offset_l1[i][0] = sh->chroma_offset_l1[i][0];
+ table->chroma_offset_l1[i][1] = sh->chroma_offset_l1[i][1];
+ }
+}
+
+static int find_frame_rps_type(const HEVCContext *h, uint64_t timestamp)
+{
+ const HEVCFrame *frame;
+ int i;
+
+ for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
+ frame = h->rps[ST_CURR_BEF].ref[i];
+ if (frame && timestamp == ff_v4l2_request_get_capture_timestamp(frame->frame))
+ return V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE;
+ }
+
+ for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
+ frame = h->rps[ST_CURR_AFT].ref[i];
+ if (frame && timestamp == ff_v4l2_request_get_capture_timestamp(frame->frame))
+ return V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER;
+ }
+
+ for (i = 0; i < h->rps[LT_CURR].nb_refs; i++) {
+ frame = h->rps[LT_CURR].ref[i];
+ if (frame && timestamp == ff_v4l2_request_get_capture_timestamp(frame->frame))
+ return V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR;
+ }
+
+ return 0;
+}
+
+static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame,
+ struct v4l2_ctrl_hevc_slice_params *slice_params)
+{
+ uint64_t timestamp;
+
+ if (!frame)
+ return 0;
+
+ timestamp = ff_v4l2_request_get_capture_timestamp(frame->frame);
+
+ for (uint8_t i = 0; i < slice_params->num_active_dpb_entries; i++) {
+ struct v4l2_hevc_dpb_entry *entry = &slice_params->dpb[i];
+ if (entry->timestamp == timestamp)
+ return i;
+ }
+
+ return 0;
+}
+
+static void v4l2_request_hevc_fill_slice_params(const HEVCContext *h,
+ struct v4l2_ctrl_hevc_slice_params *slice_params)
+{
+ const HEVCFrame *pic = h->ref;
+ const SliceHeader *sh = &h->sh;
+ int i, entries = 0;
+ RefPicList *rpl;
+
+ *slice_params = (struct v4l2_ctrl_hevc_slice_params) {
+ .bit_size = 0,
+ .data_bit_offset = get_bits_count(&h->HEVClc->gb),
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
+ .nal_unit_type = h->nal_unit_type,
+ .nuh_temporal_id_plus1 = h->temporal_id + 1,
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ .slice_type = sh->slice_type,
+ .colour_plane_id = sh->colour_plane_id,
+ .slice_pic_order_cnt = pic->poc,
+ .num_ref_idx_l0_active_minus1 = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0,
+ .num_ref_idx_l1_active_minus1 = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0,
+ .collocated_ref_idx = sh->slice_temporal_mvp_enabled_flag ? sh->collocated_ref_idx : 0,
+ .five_minus_max_num_merge_cand = sh->slice_type == HEVC_SLICE_I ? 0 : 5 - sh->max_num_merge_cand,
+ .slice_qp_delta = sh->slice_qp_delta,
+ .slice_cb_qp_offset = sh->slice_cb_qp_offset,
+ .slice_cr_qp_offset = sh->slice_cr_qp_offset,
+ .slice_act_y_qp_offset = 0,
+ .slice_act_cb_qp_offset = 0,
+ .slice_act_cr_qp_offset = 0,
+ .slice_beta_offset_div2 = sh->beta_offset / 2,
+ .slice_tc_offset_div2 = sh->tc_offset / 2,
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */
+ .pic_struct = h->sei.picture_timing.picture_struct,
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ .num_rps_poc_st_curr_before = h->rps[ST_CURR_BEF].nb_refs,
+ .num_rps_poc_st_curr_after = h->rps[ST_CURR_AFT].nb_refs,
+ .num_rps_poc_lt_curr = h->rps[LT_CURR].nb_refs,
+ };
+
+ if (sh->slice_sample_adaptive_offset_flag[0])
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA;
+
+ if (sh->slice_sample_adaptive_offset_flag[1])
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA;
+
+ if (sh->slice_temporal_mvp_enabled_flag)
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED;
+
+ if (sh->mvd_l1_zero_flag)
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO;
+
+ if (sh->cabac_init_flag)
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT;
+
+ if (sh->collocated_list == L0)
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0;
+
+ if (sh->disable_deblocking_filter_flag)
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED;
+
+ if (sh->slice_loop_filter_across_slices_enabled_flag)
+ slice_params->flags |= V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(h->DPB); i++) {
+ const HEVCFrame *frame = &h->DPB[i];
+ if (frame != pic && (frame->flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF))) {
+ struct v4l2_hevc_dpb_entry *entry = &slice_params->dpb[entries++];
+
+ entry->timestamp = ff_v4l2_request_get_capture_timestamp(frame->frame);
+ entry->rps = find_frame_rps_type(h, entry->timestamp);
+ entry->field_pic = frame->frame->interlaced_frame;
+
+ /* TODO: Interleaved: Get the POC for each field. */
+ entry->pic_order_cnt[0] = frame->poc;
+ entry->pic_order_cnt[1] = frame->poc;
+ }
+ }
+
+ slice_params->num_active_dpb_entries = entries;
+
+ if (sh->slice_type != HEVC_SLICE_I) {
+ rpl = &h->ref->refPicList[0];
+ for (i = 0; i < rpl->nb_refs; i++)
+ slice_params->ref_idx_l0[i] = get_ref_pic_index(h, rpl->ref[i], slice_params);
+ }
+
+ if (sh->slice_type == HEVC_SLICE_B) {
+ rpl = &h->ref->refPicList[1];
+ for (i = 0; i < rpl->nb_refs; i++)
+ slice_params->ref_idx_l1[i] = get_ref_pic_index(h, rpl->ref[i], slice_params);
+ }
+
+ v4l2_request_hevc_fill_pred_table(h, &slice_params->pred_weight_table);
+}
+
+static void fill_sps(struct v4l2_ctrl_hevc_sps *ctrl, const HEVCContext *h)
+{
+ const HEVCSPS *sps = h->ps.sps;
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */
+ *ctrl = (struct v4l2_ctrl_hevc_sps) {
+ .chroma_format_idc = sps->chroma_format_idc,
+ .pic_width_in_luma_samples = sps->width,
+ .pic_height_in_luma_samples = sps->height,
+ .bit_depth_luma_minus8 = sps->bit_depth - 8,
+ .bit_depth_chroma_minus8 = sps->bit_depth - 8,
+ .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
+ .sps_max_dec_pic_buffering_minus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1,
+ .sps_max_num_reorder_pics = sps->temporal_layer[sps->max_sub_layers - 1].num_reorder_pics,
+ .sps_max_latency_increase_plus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_latency_increase + 1,
+ .log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3,
+ .log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size,
+ .log2_min_luma_transform_block_size_minus2 = sps->log2_min_tb_size - 2,
+ .log2_diff_max_min_luma_transform_block_size = sps->log2_max_trafo_size - sps->log2_min_tb_size,
+ .max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter,
+ .max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra,
+ .pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1,
+ .pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1,
+ .log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3,
+ .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size,
+ .num_short_term_ref_pic_sets = sps->nb_st_rps,
+ .num_long_term_ref_pics_sps = sps->num_long_term_ref_pics_sps,
+ };
+
+ if (sps->separate_colour_plane_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE;
+
+ if (sps->scaling_list_enable_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED;
+
+ if (sps->amp_enabled_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_AMP_ENABLED;
+
+ if (sps->sao_enabled)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET;
+
+ if (sps->pcm_enabled_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_PCM_ENABLED;
+
+ if (sps->pcm.loop_filter_disable_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED;
+
+ if (sps->long_term_ref_pics_present_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT;
+
+ if (sps->sps_temporal_mvp_enabled_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED;
+
+ if (sps->sps_strong_intra_smoothing_enable_flag)
+ ctrl->flags |= V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED;
+}
+
+static int v4l2_request_hevc_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ const HEVCContext *h = avctx->priv_data;
+ const HEVCSPS *sps = h->ps.sps;
+ const HEVCPPS *pps = h->ps.pps;
+ const ScalingList *sl = pps->scaling_list_data_present_flag ?
+ &pps->scaling_list :
+ sps->scaling_list_enable_flag ?
+ &sps->scaling_list : NULL;
+ V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private;
+
+ fill_sps(&controls->sps, h);
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */
+ controls->pps = (struct v4l2_ctrl_hevc_pps) {
+ .num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
+ .init_qp_minus26 = pps->pic_init_qp_minus26,
+ .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
+ .pps_cb_qp_offset = pps->cb_qp_offset,
+ .pps_cr_qp_offset = pps->cr_qp_offset,
+ .pps_beta_offset_div2 = pps->beta_offset / 2,
+ .pps_tc_offset_div2 = pps->tc_offset / 2,
+ .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2,
+ };
+
+ if (pps->dependent_slice_segments_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT;
+
+ if (pps->output_flag_present_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT;
+
+ if (pps->sign_data_hiding_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED;
+
+ if (pps->cabac_init_present_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT;
+
+ if (pps->constrained_intra_pred_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED;
+
+ if (pps->transform_skip_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED;
+
+ if (pps->cu_qp_delta_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED;
+
+ if (pps->pic_slice_level_chroma_qp_offsets_present_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT;
+
+ if (pps->weighted_pred_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED;
+
+ if (pps->weighted_bipred_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED;
+
+ if (pps->transquant_bypass_enable_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED;
+
+ if (pps->tiles_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_TILES_ENABLED;
+
+ if (pps->entropy_coding_sync_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED;
+
+ if (pps->loop_filter_across_tiles_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED;
+
+ if (pps->seq_loop_filter_across_slices_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED;
+
+ if (pps->deblocking_filter_override_enabled_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED;
+
+ if (pps->disable_dbf)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER;
+
+ if (pps->lists_modification_present_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT;
+
+ if (pps->slice_header_extension_present_flag)
+ controls->pps.flags |= V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT;
+
+ if (pps->tiles_enabled_flag) {
+ controls->pps.num_tile_columns_minus1 = pps->num_tile_columns - 1;
+ controls->pps.num_tile_rows_minus1 = pps->num_tile_rows - 1;
+
+ for (int i = 0; i < pps->num_tile_columns; i++)
+ controls->pps.column_width_minus1[i] = pps->column_width[i] - 1;
+
+ for (int i = 0; i < pps->num_tile_rows; i++)
+ controls->pps.row_height_minus1[i] = pps->row_height[i] - 1;
+ }
+
+ controls->first_slice = 1;
+ controls->num_slices = 0;
+
+ return ff_v4l2_request_reset_frame(avctx, h->ref->frame);
+}
+
+static int v4l2_request_hevc_queue_decode(AVCodecContext *avctx, int last_slice)
+{
+ const HEVCContext *h = avctx->priv_data;
+ V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private;
+ V4L2RequestContextHEVC *ctx = avctx->internal->hwaccel_priv_data;
+
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS,
+ .ptr = &controls->sps,
+ .size = sizeof(controls->sps),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_PPS,
+ .ptr = &controls->pps,
+ .size = sizeof(controls->pps),
+ },
+ {
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS,
+ .ptr = &controls->slice_params,
+ .size = sizeof(controls->slice_params[0]) * FFMAX(FFMIN(controls->num_slices, MAX_SLICES), ctx->max_slices),
+ },
+ };
+
+ if (ctx->decode_mode == V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED)
+ return ff_v4l2_request_decode_slice(avctx, h->ref->frame, control, FF_ARRAY_ELEMS(control), controls->first_slice, last_slice);
+
+ return ff_v4l2_request_decode_frame(avctx, h->ref->frame, control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_hevc_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
+{
+ const HEVCContext *h = avctx->priv_data;
+ V4L2RequestControlsHEVC *controls = h->ref->hwaccel_picture_private;
+ V4L2RequestContextHEVC *ctx = avctx->internal->hwaccel_priv_data;
+ V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)h->ref->frame->data[0];
+ int ret, slice = FFMIN(controls->num_slices, MAX_SLICES - 1);
+
+ if (ctx->decode_mode == V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED && slice) {
+ ret = v4l2_request_hevc_queue_decode(avctx, 0);
+ if (ret)
+ return ret;
+
+ ff_v4l2_request_reset_frame(avctx, h->ref->frame);
+ slice = controls->num_slices = 0;
+ controls->first_slice = 0;
+ }
+
+ v4l2_request_hevc_fill_slice_params(h, &controls->slice_params[slice]);
+
+ if (ctx->start_code == V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B) {
+ ret = ff_v4l2_request_append_output_buffer(avctx, h->ref->frame, nalu_slice_start_code, 3);
+ if (ret)
+ return ret;
+ }
+
+ ret = ff_v4l2_request_append_output_buffer(avctx, h->ref->frame, buffer, size);
+ if (ret)
+ return ret;
+
+ controls->slice_params[slice].bit_size = req->output.used * 8; //FIXME
+ controls->num_slices++;
+ return 0;
+}
+
+static int v4l2_request_hevc_end_frame(AVCodecContext *avctx)
+{
+ return v4l2_request_hevc_queue_decode(avctx, 1);
+}
+
+static int v4l2_request_hevc_set_controls(AVCodecContext *avctx)
+{
+ V4L2RequestContextHEVC *ctx = avctx->internal->hwaccel_priv_data;
+ int ret;
+
+ struct v4l2_ext_control control[] = {
+ { .id = V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE, },
+ { .id = V4L2_CID_MPEG_VIDEO_HEVC_START_CODE, },
+ };
+ struct v4l2_query_ext_ctrl slice_params = {
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS,
+ };
+
+ ctx->decode_mode = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE);
+ if (ctx->decode_mode != V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED &&
+ ctx->decode_mode != V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED) {
+ av_log(avctx, AV_LOG_ERROR, "%s: unsupported decode mode, %d\n", __func__, ctx->decode_mode);
+ return AVERROR(EINVAL);
+ }
+
+ ctx->start_code = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_MPEG_VIDEO_HEVC_START_CODE);
+ if (ctx->start_code != V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE &&
+ ctx->start_code != V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B) {
+ av_log(avctx, AV_LOG_ERROR, "%s: unsupported start code, %d\n", __func__, ctx->start_code);
+ return AVERROR(EINVAL);
+ }
+
+ ret = ff_v4l2_request_query_control(avctx, &slice_params);
+ if (ret)
+ return ret;
+
+ ctx->max_slices = slice_params.elems;
+ if (ctx->max_slices > MAX_SLICES) {
+ av_log(avctx, AV_LOG_ERROR, "%s: unsupported max slices, %d\n", __func__, ctx->max_slices);
+ return AVERROR(EINVAL);
+ }
+
+ control[0].value = ctx->decode_mode;
+ control[1].value = ctx->start_code;
+
+ return ff_v4l2_request_set_controls(avctx, control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_hevc_init(AVCodecContext *avctx)
+{
+ const HEVCContext *h = avctx->priv_data;
+ struct v4l2_ctrl_hevc_sps sps;
+ int ret;
+
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SPS,
+ .ptr = &sps,
+ .size = sizeof(sps),
+ },
+ };
+
+ fill_sps(&sps, h);
+
+ ret = ff_v4l2_request_init(avctx, V4L2_PIX_FMT_HEVC_SLICE, 4 * 1024 * 1024, control, FF_ARRAY_ELEMS(control));
+ if (ret)
+ return ret;
+
+ return v4l2_request_hevc_set_controls(avctx);
+}
+
+const AVHWAccel ff_hevc_v4l2request_hwaccel = {
+ .name = "hevc_v4l2request",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_HEVC,
+ .pix_fmt = AV_PIX_FMT_DRM_PRIME,
+ .start_frame = v4l2_request_hevc_start_frame,
+ .decode_slice = v4l2_request_hevc_decode_slice,
+ .end_frame = v4l2_request_hevc_end_frame,
+ .frame_priv_data_size = sizeof(V4L2RequestControlsHEVC),
+ .init = v4l2_request_hevc_init,
+ .uninit = ff_v4l2_request_uninit,
+ .priv_data_size = sizeof(V4L2RequestContextHEVC),
+ .frame_params = ff_v4l2_request_frame_params,
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};
From ebc06b180bfc3c4c6e02cfe2f559e140ce0020e8 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Wed, 22 May 2019 14:46:58 +0200
Subject: [PATCH 06/20] Add V4L2 request API vp8 hwaccel
Need to fix the STREAMOFF/STREAMON issue in a proper way.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
configure | 3 +
libavcodec/Makefile | 1 +
libavcodec/hwaccels.h | 1 +
libavcodec/v4l2_request_vp8.c | 180 ++++++++++++++++++++++++++++++++++
libavcodec/vp8.c | 8 +-
5 files changed, 192 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/v4l2_request_vp8.c
diff --git a/configure b/configure
index 58abd99335b..cbb91c2bca4 100755
--- a/configure
+++ b/configure
@@ -3003,6 +3003,8 @@ vc1_vdpau_hwaccel_deps="vdpau"
vc1_vdpau_hwaccel_select="vc1_decoder"
vp8_nvdec_hwaccel_deps="nvdec"
vp8_nvdec_hwaccel_select="vp8_decoder"
+vp8_v4l2request_hwaccel_deps="v4l2_request vp8_v4l2_request"
+vp8_v4l2request_hwaccel_select="vp8_decoder"
vp8_vaapi_hwaccel_deps="vaapi"
vp8_vaapi_hwaccel_select="vp8_decoder"
vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
@@ -6576,6 +6578,7 @@ check_func_headers "linux/media.h linux/videodev2.h" v4l2_timeval_to_ns
check_cc h264_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_H264_SLICE;"
check_cc hevc_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC_SLICE;"
check_cc mpeg2_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2_SLICE;"
+check_cc vp8_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_VP8_FRAME;"
check_headers sys/videoio.h
test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 5d0e1d7dae7..d6af854daaa 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -940,6 +940,7 @@ OBJS-$(CONFIG_VC1_QSV_HWACCEL) += qsvdec_other.o
OBJS-$(CONFIG_VC1_VAAPI_HWACCEL) += vaapi_vc1.o
OBJS-$(CONFIG_VC1_VDPAU_HWACCEL) += vdpau_vc1.o
OBJS-$(CONFIG_VP8_NVDEC_HWACCEL) += nvdec_vp8.o
+OBJS-$(CONFIG_VP8_V4L2REQUEST_HWACCEL) += v4l2_request_vp8.o
OBJS-$(CONFIG_VP8_VAAPI_HWACCEL) += vaapi_vp8.o
OBJS-$(CONFIG_VP9_D3D11VA_HWACCEL) += dxva2_vp9.o
OBJS-$(CONFIG_VP9_DXVA2_HWACCEL) += dxva2_vp9.o
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index e2f90a5fdd5..bd75e94f4ca 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -65,6 +65,7 @@ extern const AVHWAccel ff_vc1_nvdec_hwaccel;
extern const AVHWAccel ff_vc1_vaapi_hwaccel;
extern const AVHWAccel ff_vc1_vdpau_hwaccel;
extern const AVHWAccel ff_vp8_nvdec_hwaccel;
+extern const AVHWAccel ff_vp8_v4l2request_hwaccel;
extern const AVHWAccel ff_vp8_vaapi_hwaccel;
extern const AVHWAccel ff_vp9_d3d11va_hwaccel;
extern const AVHWAccel ff_vp9_d3d11va2_hwaccel;
diff --git a/libavcodec/v4l2_request_vp8.c b/libavcodec/v4l2_request_vp8.c
new file mode 100644
index 00000000000..7e75ee398a2
--- /dev/null
+++ b/libavcodec/v4l2_request_vp8.c
@@ -0,0 +1,180 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "hwconfig.h"
+#include "v4l2_request.h"
+#include "vp8.h"
+
+typedef struct V4L2RequestControlsVP8 {
+ struct v4l2_ctrl_vp8_frame_header ctrl;
+} V4L2RequestControlsVP8;
+
+static int v4l2_request_vp8_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ const VP8Context *s = avctx->priv_data;
+ V4L2RequestControlsVP8 *controls = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
+
+ memset(&controls->ctrl, 0, sizeof(controls->ctrl));
+ return ff_v4l2_request_reset_frame(avctx, s->framep[VP56_FRAME_CURRENT]->tf.f);
+}
+
+static int v4l2_request_vp8_end_frame(AVCodecContext *avctx)
+{
+ const VP8Context *s = avctx->priv_data;
+ V4L2RequestControlsVP8 *controls = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER,
+ .ptr = &controls->ctrl,
+ .size = sizeof(controls->ctrl),
+ },
+ };
+
+ return ff_v4l2_request_decode_frame(avctx, s->framep[VP56_FRAME_CURRENT]->tf.f,
+ control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_vp8_decode_slice(AVCodecContext *avctx,
+ const uint8_t *buffer,
+ uint32_t size)
+{
+ const VP8Context *s = avctx->priv_data;
+ V4L2RequestControlsVP8 *controls = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
+ struct v4l2_ctrl_vp8_frame_header *hdr = &controls->ctrl;
+ const uint8_t *data = buffer + 3 + 7 * s->keyframe;
+ unsigned int i, j, k;
+
+ hdr->version = s->profile & 0x3;
+ hdr->width = avctx->width;
+ hdr->height = avctx->height;
+ /* FIXME: set ->xx_scale */
+ hdr->prob_skip_false = s->prob->mbskip;
+ hdr->prob_intra = s->prob->intra;
+ hdr->prob_gf = s->prob->golden;
+ hdr->prob_last = s->prob->last;
+ hdr->first_part_size = s->header_partition_size;
+ hdr->first_part_header_bits = (8 * (s->coder_state_at_header_end.input - data) -
+ s->coder_state_at_header_end.bit_count - 8);
+ hdr->num_dct_parts = s->num_coeff_partitions;
+ for (i = 0; i < 8; i++)
+ hdr->dct_part_sizes[i] = s->coeff_partition_size[i];
+
+ hdr->coder_state.range = s->coder_state_at_header_end.range;
+ hdr->coder_state.value = s->coder_state_at_header_end.value;
+ hdr->coder_state.bit_count = s->coder_state_at_header_end.bit_count;
+ if (s->framep[VP56_FRAME_PREVIOUS])
+ hdr->last_frame_ts = ff_v4l2_request_get_capture_timestamp(s->framep[VP56_FRAME_PREVIOUS]->tf.f);
+ if (s->framep[VP56_FRAME_GOLDEN])
+ hdr->golden_frame_ts = ff_v4l2_request_get_capture_timestamp(s->framep[VP56_FRAME_GOLDEN]->tf.f);
+ if (s->framep[VP56_FRAME_GOLDEN2])
+ hdr->alt_frame_ts = ff_v4l2_request_get_capture_timestamp(s->framep[VP56_FRAME_GOLDEN2]->tf.f);
+ hdr->flags |= s->invisible ? 0 : V4L2_VP8_FRAME_HEADER_FLAG_SHOW_FRAME;
+ hdr->flags |= s->mbskip_enabled ? V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF : 0;
+ hdr->flags |= (s->profile & 0x4) ? V4L2_VP8_FRAME_HEADER_FLAG_EXPERIMENTAL : 0;
+ hdr->flags |= s->keyframe ? V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME : 0;
+ hdr->flags |= s->sign_bias[VP56_FRAME_GOLDEN] ? V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN : 0;
+ hdr->flags |= s->sign_bias[VP56_FRAME_GOLDEN2] ? V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT : 0;
+ hdr->segment_header.flags |= s->segmentation.enabled ? V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED : 0;
+ hdr->segment_header.flags |= s->segmentation.update_map ? V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP : 0;
+ hdr->segment_header.flags |= s->segmentation.update_feature_data ? V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_FEATURE_DATA : 0;
+ hdr->segment_header.flags |= s->segmentation.absolute_vals ? 0 : V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE;
+ for (i = 0; i < 4; i++) {
+ hdr->segment_header.quant_update[i] = s->segmentation.base_quant[i];
+ hdr->segment_header.lf_update[i] = s->segmentation.filter_level[i];
+ }
+
+ for (i = 0; i < 3; i++)
+ hdr->segment_header.segment_probs[i] = s->prob->segmentid[i];
+
+ hdr->lf_header.level = s->filter.level;
+ hdr->lf_header.sharpness_level = s->filter.sharpness;
+ hdr->lf_header.flags |= s->lf_delta.enabled ? V4L2_VP8_LF_HEADER_ADJ_ENABLE : 0;
+ hdr->lf_header.flags |= s->lf_delta.update ? V4L2_VP8_LF_HEADER_DELTA_UPDATE : 0;
+ hdr->lf_header.flags |= s->filter.simple ? V4L2_VP8_LF_FILTER_TYPE_SIMPLE : 0;
+ for (i = 0; i < 4; i++) {
+ hdr->lf_header.ref_frm_delta[i] = s->lf_delta.ref[i];
+ hdr->lf_header.mb_mode_delta[i] = s->lf_delta.mode[i + MODE_I4x4];
+ }
+
+ // Probabilites
+ if (s->keyframe) {
+ static const uint8_t keyframe_y_mode_probs[4] = {
+ 145, 156, 163, 128
+ };
+ static const uint8_t keyframe_uv_mode_probs[3] = {
+ 142, 114, 183
+ };
+
+ memcpy(hdr->entropy_header.y_mode_probs, keyframe_y_mode_probs, 4);
+ memcpy(hdr->entropy_header.uv_mode_probs, keyframe_uv_mode_probs, 3);
+ } else {
+ for (i = 0; i < 4; i++)
+ hdr->entropy_header.y_mode_probs[i] = s->prob->pred16x16[i];
+ for (i = 0; i < 3; i++)
+ hdr->entropy_header.uv_mode_probs[i] = s->prob->pred8x8c[i];
+ }
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 19; j++)
+ hdr->entropy_header.mv_probs[i][j] = s->prob->mvc[i][j];
+
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < 8; j++) {
+ static const int coeff_bands_inverse[8] = {
+ 0, 1, 2, 3, 5, 6, 4, 15
+ };
+ int coeff_pos = coeff_bands_inverse[j];
+
+ for (k = 0; k < 3; k++) {
+ memcpy(hdr->entropy_header.coeff_probs[i][j][k],
+ s->prob->token[i][coeff_pos][k], 11);
+ }
+ }
+ }
+
+ hdr->quant_header.y_ac_qi = s->quant.yac_qi;
+ hdr->quant_header.y_dc_delta = s->quant.ydc_delta;
+ hdr->quant_header.y2_dc_delta = s->quant.y2dc_delta;
+ hdr->quant_header.y2_ac_delta = s->quant.y2ac_delta;
+ hdr->quant_header.uv_dc_delta = s->quant.uvdc_delta;
+ hdr->quant_header.uv_ac_delta = s->quant.uvac_delta;
+
+ return ff_v4l2_request_append_output_buffer(avctx, s->framep[VP56_FRAME_CURRENT]->tf.f, buffer, size);
+}
+
+static int v4l2_request_vp8_init(AVCodecContext *avctx)
+{
+ return ff_v4l2_request_init(avctx, V4L2_PIX_FMT_VP8_FRAME, 2 * 1024 * 1024, NULL, 0);
+}
+
+const AVHWAccel ff_vp8_v4l2request_hwaccel = {
+ .name = "vp8_v4l2request",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_VP8,
+ .pix_fmt = AV_PIX_FMT_DRM_PRIME,
+ .start_frame = v4l2_request_vp8_start_frame,
+ .decode_slice = v4l2_request_vp8_decode_slice,
+ .end_frame = v4l2_request_vp8_end_frame,
+ .frame_priv_data_size = sizeof(V4L2RequestControlsVP8),
+ .init = v4l2_request_vp8_init,
+ .uninit = ff_v4l2_request_uninit,
+ .priv_data_size = sizeof(V4L2RequestContext),
+ .frame_params = ff_v4l2_request_frame_params,
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index bab4223aca1..0e1edb46fb2 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -175,6 +175,9 @@ static enum AVPixelFormat get_pixel_format(VP8Context *s)
#endif
#if CONFIG_VP8_NVDEC_HWACCEL
AV_PIX_FMT_CUDA,
+#endif
+#if CONFIG_VP8_V4L2REQUEST_HWACCEL
+ AV_PIX_FMT_DRM_PRIME,
#endif
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE,
@@ -198,7 +201,7 @@ int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
return ret;
}
- if (!s->actually_webp && !is_vp7) {
+ if (!s->actually_webp && !is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
s->pix_fmt = get_pixel_format(s);
if (s->pix_fmt < 0)
return AVERROR(EINVAL);
@@ -2968,6 +2971,9 @@ AVCodec ff_vp8_decoder = {
#endif
#if CONFIG_VP8_NVDEC_HWACCEL
HWACCEL_NVDEC(vp8),
+#endif
+#if CONFIG_VP8_V4L2REQUEST_HWACCEL
+ HWACCEL_V4L2REQUEST(vp8),
#endif
NULL
},
From cf21ba63945bf6a0a60616ceb0a000e42d02f044 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel@collabora.com>
Date: Wed, 20 Feb 2019 11:18:00 -0300
Subject: [PATCH 07/20] avcodec/h264: parse idr_pic_id
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
libavcodec/h264_slice.c | 2 +-
libavcodec/h264dec.h | 2 ++
libavcodec/v4l2_request_h264.c | 2 +-
3 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 3ae11ac8a71..96e8edd1028 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1822,7 +1822,7 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
}
if (nal->type == H264_NAL_IDR_SLICE)
- get_ue_golomb_long(&sl->gb); /* idr_pic_id */
+ sl->idr_pic_id = get_ue_golomb_long(&sl->gb);
if (sps->poc_type == 0) {
sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
diff --git a/libavcodec/h264dec.h b/libavcodec/h264dec.h
index a419615124b..aebc5ed2f61 100644
--- a/libavcodec/h264dec.h
+++ b/libavcodec/h264dec.h
@@ -190,6 +190,8 @@ typedef struct H264SliceContext {
int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P)
int slice_type_fixed;
+ int idr_pic_id;
+
int qscale;
int chroma_qp[2]; // QPc
int qp_thresh; ///< QP threshold to skip loopfilter
diff --git a/libavcodec/v4l2_request_h264.c b/libavcodec/v4l2_request_h264.c
index 94b9aca8ad4..9382e573b40 100644
--- a/libavcodec/v4l2_request_h264.c
+++ b/libavcodec/v4l2_request_h264.c
@@ -303,7 +303,7 @@ static int v4l2_request_h264_decode_slice(AVCodecContext *avctx, const uint8_t *
.pic_parameter_set_id = sl->pps_id,
.colour_plane_id = 0, /* what is this? */
.frame_num = h->poc.frame_num,
- .idr_pic_id = 0, /* what is this? */
+ .idr_pic_id = sl->idr_pic_id,
.pic_order_cnt_lsb = sl->poc_lsb,
.delta_pic_order_cnt_bottom = sl->delta_poc_bottom,
.delta_pic_order_cnt0 = sl->delta_poc[0],
From 13d2f3430db4d83ce30c921bf2b3ee44e1d6ec55 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Wed, 22 May 2019 14:44:22 +0200
Subject: [PATCH 08/20] avcodec/h264: parse ref_pic_marking_size_in_bits and
pic_order_cnt_bit_size
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
---
libavcodec/h264_slice.c | 6 +++++-
libavcodec/h264dec.h | 2 ++
libavcodec/v4l2_request_h264.c | 4 ++--
3 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 96e8edd1028..c3896cfd90a 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1740,7 +1740,7 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
unsigned int slice_type, tmp, i;
int field_pic_flag, bottom_field_flag;
int first_slice = sl == h->slice_ctx && !h->current_slice;
- int picture_structure;
+ int picture_structure, pos;
if (first_slice)
av_assert0(!h->setup_finished);
@@ -1824,6 +1824,7 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
if (nal->type == H264_NAL_IDR_SLICE)
sl->idr_pic_id = get_ue_golomb_long(&sl->gb);
+ pos = sl->gb.index;
if (sps->poc_type == 0) {
sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
@@ -1837,6 +1838,7 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
sl->delta_poc[1] = get_se_golomb(&sl->gb);
}
+ sl->pic_order_cnt_bit_size = sl->gb.index - pos;
sl->redundant_pic_count = 0;
if (pps->redundant_pic_cnt_present)
@@ -1876,9 +1878,11 @@ static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
sl->explicit_ref_marking = 0;
if (nal->ref_idc) {
+ int bit_pos = sl->gb.index;
ret = ff_h264_decode_ref_pic_marking(sl, &sl->gb, nal, h->avctx);
if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
return AVERROR_INVALIDDATA;
+ sl->ref_pic_marking_size_in_bits = sl->gb.index - bit_pos;
}
if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) {
diff --git a/libavcodec/h264dec.h b/libavcodec/h264dec.h
index aebc5ed2f61..b3dcd6e7da3 100644
--- a/libavcodec/h264dec.h
+++ b/libavcodec/h264dec.h
@@ -330,11 +330,13 @@ typedef struct H264SliceContext {
MMCO mmco[MAX_MMCO_COUNT];
int nb_mmco;
int explicit_ref_marking;
+ int ref_pic_marking_size_in_bits;
int frame_num;
int poc_lsb;
int delta_poc_bottom;
int delta_poc[2];
+ int pic_order_cnt_bit_size;
int curr_pic_num;
int max_pic_num;
} H264SliceContext;
diff --git a/libavcodec/v4l2_request_h264.c b/libavcodec/v4l2_request_h264.c
index 9382e573b40..bdaeb67d261 100644
--- a/libavcodec/v4l2_request_h264.c
+++ b/libavcodec/v4l2_request_h264.c
@@ -311,9 +311,9 @@ static int v4l2_request_h264_decode_slice(AVCodecContext *avctx, const uint8_t *
.redundant_pic_cnt = sl->redundant_pic_count,
/* Size in bits of dec_ref_pic_marking() syntax element. */
- .dec_ref_pic_marking_bit_size = 0,
+ .dec_ref_pic_marking_bit_size = sl->ref_pic_marking_size_in_bits,
/* Size in bits of pic order count syntax. */
- .pic_order_cnt_bit_size = 0,
+ .pic_order_cnt_bit_size = sl->pic_order_cnt_bit_size,
.cabac_init_idc = sl->cabac_init_idc,
.slice_qp_delta = sl->qscale - pps->init_qp,
From 5ba945f011277dee7b4fb36af60810fd9b401f79 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Thu, 14 Feb 2019 23:20:05 +0100
Subject: [PATCH 09/20] Add and use private linux headers for V4L2 request API
ctrls
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
configure | 6 +-
libavcodec/h264-ctrls.h | 210 +++++++++++++++++++++++++++++++
libavcodec/hevc-ctrls.h | 212 ++++++++++++++++++++++++++++++++
libavcodec/mpeg2-ctrls.h | 82 ++++++++++++
libavcodec/v4l2_request_h264.c | 1 +
libavcodec/v4l2_request_hevc.c | 1 +
libavcodec/v4l2_request_mpeg2.c | 1 +
libavcodec/v4l2_request_vp8.c | 1 +
libavcodec/vp8-ctrls.h | 112 +++++++++++++++++
9 files changed, 623 insertions(+), 3 deletions(-)
create mode 100644 libavcodec/h264-ctrls.h
create mode 100644 libavcodec/hevc-ctrls.h
create mode 100644 libavcodec/mpeg2-ctrls.h
create mode 100644 libavcodec/vp8-ctrls.h
diff --git a/configure b/configure
index cbb91c2bca4..623012757c6 100755
--- a/configure
+++ b/configure
@@ -2925,7 +2925,7 @@ h264_dxva2_hwaccel_deps="dxva2"
h264_dxva2_hwaccel_select="h264_decoder"
h264_nvdec_hwaccel_deps="nvdec"
h264_nvdec_hwaccel_select="h264_decoder"
-h264_v4l2request_hwaccel_deps="v4l2_request h264_v4l2_request"
+h264_v4l2request_hwaccel_deps="v4l2_request"
h264_v4l2request_hwaccel_select="h264_decoder"
h264_vaapi_hwaccel_deps="vaapi"
h264_vaapi_hwaccel_select="h264_decoder"
@@ -2941,7 +2941,7 @@ hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
hevc_dxva2_hwaccel_select="hevc_decoder"
hevc_nvdec_hwaccel_deps="nvdec"
hevc_nvdec_hwaccel_select="hevc_decoder"
-hevc_v4l2request_hwaccel_deps="v4l2_request hevc_v4l2_request"
+hevc_v4l2request_hwaccel_deps="v4l2_request"
hevc_v4l2request_hwaccel_select="hevc_decoder"
hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
hevc_vaapi_hwaccel_select="hevc_decoder"
@@ -3003,7 +3003,7 @@ vc1_vdpau_hwaccel_deps="vdpau"
vc1_vdpau_hwaccel_select="vc1_decoder"
vp8_nvdec_hwaccel_deps="nvdec"
vp8_nvdec_hwaccel_select="vp8_decoder"
-vp8_v4l2request_hwaccel_deps="v4l2_request vp8_v4l2_request"
+vp8_v4l2request_hwaccel_deps="v4l2_request"
vp8_v4l2request_hwaccel_select="vp8_decoder"
vp8_vaapi_hwaccel_deps="vaapi"
vp8_vaapi_hwaccel_select="vp8_decoder"
diff --git a/libavcodec/h264-ctrls.h b/libavcodec/h264-ctrls.h
new file mode 100644
index 00000000000..e877bf1d537
--- /dev/null
+++ b/libavcodec/h264-ctrls.h
@@ -0,0 +1,210 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are the H.264 state controls for use with stateless H.264
+ * codec drivers.
+ *
+ * It turns out that these structs are not stable yet and will undergo
+ * more changes. So keep them private until they are stable and ready to
+ * become part of the official public API.
+ */
+
+#ifndef _H264_CTRLS_H_
+#define _H264_CTRLS_H_
+
+#include <linux/videodev2.h>
+
+/* Our pixel format isn't stable at the moment */
+#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
+
+/*
+ * This is put insanely high to avoid conflicting with controls that
+ * would be added during the phase where those controls are not
+ * stable. It should be fixed eventually.
+ */
+#define V4L2_CID_MPEG_VIDEO_H264_SPS (V4L2_CID_MPEG_BASE+1000)
+#define V4L2_CID_MPEG_VIDEO_H264_PPS (V4L2_CID_MPEG_BASE+1001)
+#define V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX (V4L2_CID_MPEG_BASE+1002)
+#define V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS (V4L2_CID_MPEG_BASE+1003)
+#define V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS (V4L2_CID_MPEG_BASE+1004)
+#define V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE (V4L2_CID_MPEG_BASE+1005)
+#define V4L2_CID_MPEG_VIDEO_H264_START_CODE (V4L2_CID_MPEG_BASE+1006)
+
+/* enum v4l2_ctrl_type type values */
+#define V4L2_CTRL_TYPE_H264_SPS 0x0110
+#define V4L2_CTRL_TYPE_H264_PPS 0x0111
+#define V4L2_CTRL_TYPE_H264_SCALING_MATRIX 0x0112
+#define V4L2_CTRL_TYPE_H264_SLICE_PARAMS 0x0113
+#define V4L2_CTRL_TYPE_H264_DECODE_PARAMS 0x0114
+
+enum v4l2_mpeg_video_h264_decode_mode {
+ V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED,
+ V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED,
+};
+
+enum v4l2_mpeg_video_h264_start_code {
+ V4L2_MPEG_VIDEO_H264_START_CODE_NONE,
+ V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B,
+};
+
+#define V4L2_H264_SPS_CONSTRAINT_SET0_FLAG 0x01
+#define V4L2_H264_SPS_CONSTRAINT_SET1_FLAG 0x02
+#define V4L2_H264_SPS_CONSTRAINT_SET2_FLAG 0x04
+#define V4L2_H264_SPS_CONSTRAINT_SET3_FLAG 0x08
+#define V4L2_H264_SPS_CONSTRAINT_SET4_FLAG 0x10
+#define V4L2_H264_SPS_CONSTRAINT_SET5_FLAG 0x20
+
+#define V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE 0x01
+#define V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS 0x02
+#define V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO 0x04
+#define V4L2_H264_SPS_FLAG_GAPS_IN_FRAME_NUM_VALUE_ALLOWED 0x08
+#define V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY 0x10
+#define V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD 0x20
+#define V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE 0x40
+
+struct v4l2_ctrl_h264_sps {
+ __u8 profile_idc;
+ __u8 constraint_set_flags;
+ __u8 level_idc;
+ __u8 seq_parameter_set_id;
+ __u8 chroma_format_idc;
+ __u8 bit_depth_luma_minus8;
+ __u8 bit_depth_chroma_minus8;
+ __u8 log2_max_frame_num_minus4;
+ __u8 pic_order_cnt_type;
+ __u8 log2_max_pic_order_cnt_lsb_minus4;
+ __u8 max_num_ref_frames;
+ __u8 num_ref_frames_in_pic_order_cnt_cycle;
+ __s32 offset_for_ref_frame[255];
+ __s32 offset_for_non_ref_pic;
+ __s32 offset_for_top_to_bottom_field;
+ __u16 pic_width_in_mbs_minus1;
+ __u16 pic_height_in_map_units_minus1;
+ __u32 flags;
+};
+
+#define V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE 0x0001
+#define V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT 0x0002
+#define V4L2_H264_PPS_FLAG_WEIGHTED_PRED 0x0004
+#define V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT 0x0008
+#define V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED 0x0010
+#define V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT 0x0020
+#define V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE 0x0040
+#define V4L2_H264_PPS_FLAG_PIC_SCALING_MATRIX_PRESENT 0x0080
+
+struct v4l2_ctrl_h264_pps {
+ __u8 pic_parameter_set_id;
+ __u8 seq_parameter_set_id;
+ __u8 num_slice_groups_minus1;
+ __u8 num_ref_idx_l0_default_active_minus1;
+ __u8 num_ref_idx_l1_default_active_minus1;
+ __u8 weighted_bipred_idc;
+ __s8 pic_init_qp_minus26;
+ __s8 pic_init_qs_minus26;
+ __s8 chroma_qp_index_offset;
+ __s8 second_chroma_qp_index_offset;
+ __u16 flags;
+};
+
+struct v4l2_ctrl_h264_scaling_matrix {
+ __u8 scaling_list_4x4[6][16];
+ __u8 scaling_list_8x8[6][64];
+};
+
+struct v4l2_h264_weight_factors {
+ __s16 luma_weight[32];
+ __s16 luma_offset[32];
+ __s16 chroma_weight[32][2];
+ __s16 chroma_offset[32][2];
+};
+
+struct v4l2_h264_pred_weight_table {
+ __u16 luma_log2_weight_denom;
+ __u16 chroma_log2_weight_denom;
+ struct v4l2_h264_weight_factors weight_factors[2];
+};
+
+#define V4L2_H264_SLICE_TYPE_P 0
+#define V4L2_H264_SLICE_TYPE_B 1
+#define V4L2_H264_SLICE_TYPE_I 2
+#define V4L2_H264_SLICE_TYPE_SP 3
+#define V4L2_H264_SLICE_TYPE_SI 4
+
+#define V4L2_H264_SLICE_FLAG_FIELD_PIC 0x01
+#define V4L2_H264_SLICE_FLAG_BOTTOM_FIELD 0x02
+#define V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED 0x04
+#define V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH 0x08
+
+struct v4l2_ctrl_h264_slice_params {
+ /* Size in bytes, including header */
+ __u32 size;
+
+ /* Offset in bytes to the start of slice in the OUTPUT buffer. */
+ __u32 start_byte_offset;
+
+ /* Offset in bits to slice_data() from the beginning of this slice. */
+ __u32 header_bit_size;
+
+ __u16 first_mb_in_slice;
+ __u8 slice_type;
+ __u8 pic_parameter_set_id;
+ __u8 colour_plane_id;
+ __u8 redundant_pic_cnt;
+ __u16 frame_num;
+ __u16 idr_pic_id;
+ __u16 pic_order_cnt_lsb;
+ __s32 delta_pic_order_cnt_bottom;
+ __s32 delta_pic_order_cnt0;
+ __s32 delta_pic_order_cnt1;
+
+ struct v4l2_h264_pred_weight_table pred_weight_table;
+ /* Size in bits of dec_ref_pic_marking() syntax element. */
+ __u32 dec_ref_pic_marking_bit_size;
+ /* Size in bits of pic order count syntax. */
+ __u32 pic_order_cnt_bit_size;
+
+ __u8 cabac_init_idc;
+ __s8 slice_qp_delta;
+ __s8 slice_qs_delta;
+ __u8 disable_deblocking_filter_idc;
+ __s8 slice_alpha_c0_offset_div2;
+ __s8 slice_beta_offset_div2;
+ __u8 num_ref_idx_l0_active_minus1;
+ __u8 num_ref_idx_l1_active_minus1;
+ __u32 slice_group_change_cycle;
+
+ /*
+ * Entries on each list are indices into
+ * v4l2_ctrl_h264_decode_params.dpb[].
+ */
+ __u8 ref_pic_list0[32];
+ __u8 ref_pic_list1[32];
+
+ __u32 flags;
+};
+
+#define V4L2_H264_DPB_ENTRY_FLAG_VALID 0x01
+#define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x02
+#define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04
+
+struct v4l2_h264_dpb_entry {
+ __u64 reference_ts;
+ __u16 frame_num;
+ __u16 pic_num;
+ /* Note that field is indicated by v4l2_buffer.field */
+ __s32 top_field_order_cnt;
+ __s32 bottom_field_order_cnt;
+ __u32 flags; /* V4L2_H264_DPB_ENTRY_FLAG_* */
+};
+
+#define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC 0x01
+
+struct v4l2_ctrl_h264_decode_params {
+ struct v4l2_h264_dpb_entry dpb[16];
+ __u16 num_slices;
+ __u16 nal_ref_idc;
+ __s32 top_field_order_cnt;
+ __s32 bottom_field_order_cnt;
+ __u32 flags; /* V4L2_H264_DECODE_PARAM_FLAG_* */
+};
+
+#endif
diff --git a/libavcodec/hevc-ctrls.h b/libavcodec/hevc-ctrls.h
new file mode 100644
index 00000000000..1009cf0891c
--- /dev/null
+++ b/libavcodec/hevc-ctrls.h
@@ -0,0 +1,212 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are the HEVC state controls for use with stateless HEVC
+ * codec drivers.
+ *
+ * It turns out that these structs are not stable yet and will undergo
+ * more changes. So keep them private until they are stable and ready to
+ * become part of the official public API.
+ */
+
+#ifndef _HEVC_CTRLS_H_
+#define _HEVC_CTRLS_H_
+
+#include <linux/videodev2.h>
+
+/* The pixel format isn't stable at the moment and will likely be renamed. */
+#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
+
+#define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_MPEG_BASE + 1008)
+#define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_MPEG_BASE + 1009)
+#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_MPEG_BASE + 1010)
+#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_MPEG_BASE + 1015)
+#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_MPEG_BASE + 1016)
+
+/* enum v4l2_ctrl_type type values */
+#define V4L2_CTRL_TYPE_HEVC_SPS 0x0120
+#define V4L2_CTRL_TYPE_HEVC_PPS 0x0121
+#define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122
+
+enum v4l2_mpeg_video_hevc_decode_mode {
+ V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED,
+ V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED,
+};
+
+enum v4l2_mpeg_video_hevc_start_code {
+ V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE,
+ V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B,
+};
+
+#define V4L2_HEVC_SLICE_TYPE_B 0
+#define V4L2_HEVC_SLICE_TYPE_P 1
+#define V4L2_HEVC_SLICE_TYPE_I 2
+
+#define V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE (1ULL << 0)
+#define V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED (1ULL << 1)
+#define V4L2_HEVC_SPS_FLAG_AMP_ENABLED (1ULL << 2)
+#define V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET (1ULL << 3)
+#define V4L2_HEVC_SPS_FLAG_PCM_ENABLED (1ULL << 4)
+#define V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED (1ULL << 5)
+#define V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT (1ULL << 6)
+#define V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED (1ULL << 7)
+#define V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED (1ULL << 8)
+
+/* The controls are not stable at the moment and will likely be reworked. */
+struct v4l2_ctrl_hevc_sps {
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Sequence parameter set */
+ __u16 pic_width_in_luma_samples;
+ __u16 pic_height_in_luma_samples;
+ __u8 bit_depth_luma_minus8;
+ __u8 bit_depth_chroma_minus8;
+ __u8 log2_max_pic_order_cnt_lsb_minus4;
+ __u8 sps_max_dec_pic_buffering_minus1;
+ __u8 sps_max_num_reorder_pics;
+ __u8 sps_max_latency_increase_plus1;
+ __u8 log2_min_luma_coding_block_size_minus3;
+ __u8 log2_diff_max_min_luma_coding_block_size;
+ __u8 log2_min_luma_transform_block_size_minus2;
+ __u8 log2_diff_max_min_luma_transform_block_size;
+ __u8 max_transform_hierarchy_depth_inter;
+ __u8 max_transform_hierarchy_depth_intra;
+ __u8 pcm_sample_bit_depth_luma_minus1;
+ __u8 pcm_sample_bit_depth_chroma_minus1;
+ __u8 log2_min_pcm_luma_coding_block_size_minus3;
+ __u8 log2_diff_max_min_pcm_luma_coding_block_size;
+ __u8 num_short_term_ref_pic_sets;
+ __u8 num_long_term_ref_pics_sps;
+ __u8 chroma_format_idc;
+
+ __u8 padding;
+
+ __u64 flags;
+};
+
+#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT (1ULL << 0)
+#define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT (1ULL << 1)
+#define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED (1ULL << 2)
+#define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT (1ULL << 3)
+#define V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED (1ULL << 4)
+#define V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED (1ULL << 5)
+#define V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED (1ULL << 6)
+#define V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT (1ULL << 7)
+#define V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED (1ULL << 8)
+#define V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED (1ULL << 9)
+#define V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED (1ULL << 10)
+#define V4L2_HEVC_PPS_FLAG_TILES_ENABLED (1ULL << 11)
+#define V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED (1ULL << 12)
+#define V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED (1ULL << 13)
+#define V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 14)
+#define V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED (1ULL << 15)
+#define V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER (1ULL << 16)
+#define V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT (1ULL << 17)
+#define V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT (1ULL << 18)
+
+struct v4l2_ctrl_hevc_pps {
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */
+ __u8 num_extra_slice_header_bits;
+ __s8 init_qp_minus26;
+ __u8 diff_cu_qp_delta_depth;
+ __s8 pps_cb_qp_offset;
+ __s8 pps_cr_qp_offset;
+ __u8 num_tile_columns_minus1;
+ __u8 num_tile_rows_minus1;
+ __u8 column_width_minus1[20];
+ __u8 row_height_minus1[22];
+ __s8 pps_beta_offset_div2;
+ __s8 pps_tc_offset_div2;
+ __u8 log2_parallel_merge_level_minus2;
+
+ __u8 padding[4];
+ __u64 flags;
+};
+
+#define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE 0x01
+#define V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER 0x02
+#define V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR 0x03
+
+#define V4L2_HEVC_DPB_ENTRIES_NUM_MAX 16
+
+struct v4l2_hevc_dpb_entry {
+ __u64 timestamp;
+ __u8 rps;
+ __u8 field_pic;
+ __u16 pic_order_cnt[2];
+ __u8 padding[2];
+};
+
+struct v4l2_hevc_pred_weight_table {
+ __s8 delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+ __s8 luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+ __s8 delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];
+ __s8 chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];
+
+ __s8 delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+ __s8 luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+ __s8 delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];
+ __s8 chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2];
+
+ __u8 padding[6];
+
+ __u8 luma_log2_weight_denom;
+ __s8 delta_chroma_log2_weight_denom;
+};
+
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA (1ULL << 0)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA (1ULL << 1)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED (1ULL << 2)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO (1ULL << 3)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT (1ULL << 4)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0 (1ULL << 5)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV (1ULL << 6)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8)
+
+struct v4l2_ctrl_hevc_slice_params {
+ __u32 bit_size;
+ __u32 data_bit_offset;
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
+ __u8 nal_unit_type;
+ __u8 nuh_temporal_id_plus1;
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ __u8 slice_type;
+ __u8 colour_plane_id;
+ __u16 slice_pic_order_cnt;
+ __u8 num_ref_idx_l0_active_minus1;
+ __u8 num_ref_idx_l1_active_minus1;
+ __u8 collocated_ref_idx;
+ __u8 five_minus_max_num_merge_cand;
+ __s8 slice_qp_delta;
+ __s8 slice_cb_qp_offset;
+ __s8 slice_cr_qp_offset;
+ __s8 slice_act_y_qp_offset;
+ __s8 slice_act_cb_qp_offset;
+ __s8 slice_act_cr_qp_offset;
+ __s8 slice_beta_offset_div2;
+ __s8 slice_tc_offset_div2;
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture timing SEI message */
+ __u8 pic_struct;
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ __u8 num_active_dpb_entries;
+ __u8 ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+ __u8 ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+
+ __u8 num_rps_poc_st_curr_before;
+ __u8 num_rps_poc_st_curr_after;
+ __u8 num_rps_poc_lt_curr;
+
+ __u8 padding;
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
+
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: Weighted prediction parameter */
+ struct v4l2_hevc_pred_weight_table pred_weight_table;
+
+ __u64 flags;
+};
+
+#endif
diff --git a/libavcodec/mpeg2-ctrls.h b/libavcodec/mpeg2-ctrls.h
new file mode 100644
index 00000000000..6601455b3d5
--- /dev/null
+++ b/libavcodec/mpeg2-ctrls.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are the MPEG2 state controls for use with stateless MPEG-2
+ * codec drivers.
+ *
+ * It turns out that these structs are not stable yet and will undergo
+ * more changes. So keep them private until they are stable and ready to
+ * become part of the official public API.
+ */
+
+#ifndef _MPEG2_CTRLS_H_
+#define _MPEG2_CTRLS_H_
+
+#define V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS (V4L2_CID_MPEG_BASE+250)
+#define V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION (V4L2_CID_MPEG_BASE+251)
+
+/* enum v4l2_ctrl_type type values */
+#define V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS 0x0103
+#define V4L2_CTRL_TYPE_MPEG2_QUANTIZATION 0x0104
+
+#define V4L2_MPEG2_PICTURE_CODING_TYPE_I 1
+#define V4L2_MPEG2_PICTURE_CODING_TYPE_P 2
+#define V4L2_MPEG2_PICTURE_CODING_TYPE_B 3
+#define V4L2_MPEG2_PICTURE_CODING_TYPE_D 4
+
+struct v4l2_mpeg2_sequence {
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence header */
+ __u16 horizontal_size;
+ __u16 vertical_size;
+ __u32 vbv_buffer_size;
+
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Sequence extension */
+ __u16 profile_and_level_indication;
+ __u8 progressive_sequence;
+ __u8 chroma_format;
+};
+
+struct v4l2_mpeg2_picture {
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture header */
+ __u8 picture_coding_type;
+
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Picture coding extension */
+ __u8 f_code[2][2];
+ __u8 intra_dc_precision;
+ __u8 picture_structure;
+ __u8 top_field_first;
+ __u8 frame_pred_frame_dct;
+ __u8 concealment_motion_vectors;
+ __u8 q_scale_type;
+ __u8 intra_vlc_format;
+ __u8 alternate_scan;
+ __u8 repeat_first_field;
+ __u16 progressive_frame;
+};
+
+struct v4l2_ctrl_mpeg2_slice_params {
+ __u32 bit_size;
+ __u32 data_bit_offset;
+ __u64 backward_ref_ts;
+ __u64 forward_ref_ts;
+
+ struct v4l2_mpeg2_sequence sequence;
+ struct v4l2_mpeg2_picture picture;
+
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Slice */
+ __u32 quantiser_scale_code;
+};
+
+struct v4l2_ctrl_mpeg2_quantization {
+ /* ISO/IEC 13818-2, ITU-T Rec. H.262: Quant matrix extension */
+ __u8 load_intra_quantiser_matrix;
+ __u8 load_non_intra_quantiser_matrix;
+ __u8 load_chroma_intra_quantiser_matrix;
+ __u8 load_chroma_non_intra_quantiser_matrix;
+
+ __u8 intra_quantiser_matrix[64];
+ __u8 non_intra_quantiser_matrix[64];
+ __u8 chroma_intra_quantiser_matrix[64];
+ __u8 chroma_non_intra_quantiser_matrix[64];
+};
+
+#endif
diff --git a/libavcodec/v4l2_request_h264.c b/libavcodec/v4l2_request_h264.c
index bdaeb67d261..0254716e523 100644
--- a/libavcodec/v4l2_request_h264.c
+++ b/libavcodec/v4l2_request_h264.c
@@ -19,6 +19,7 @@
#include "h264dec.h"
#include "hwconfig.h"
#include "v4l2_request.h"
+#include "h264-ctrls.h"
typedef struct V4L2RequestControlsH264 {
struct v4l2_ctrl_h264_sps sps;
diff --git a/libavcodec/v4l2_request_hevc.c b/libavcodec/v4l2_request_hevc.c
index f7249095465..c16f8a868e3 100644
--- a/libavcodec/v4l2_request_hevc.c
+++ b/libavcodec/v4l2_request_hevc.c
@@ -19,6 +19,7 @@
#include "hevcdec.h"
#include "hwconfig.h"
#include "v4l2_request.h"
+#include "hevc-ctrls.h"
#define MAX_SLICES 16
diff --git a/libavcodec/v4l2_request_mpeg2.c b/libavcodec/v4l2_request_mpeg2.c
index 88d86cc4c23..bc251a6fd2c 100644
--- a/libavcodec/v4l2_request_mpeg2.c
+++ b/libavcodec/v4l2_request_mpeg2.c
@@ -19,6 +19,7 @@
#include "hwconfig.h"
#include "mpegvideo.h"
#include "v4l2_request.h"
+#include "mpeg2-ctrls.h"
typedef struct V4L2RequestControlsMPEG2 {
struct v4l2_ctrl_mpeg2_slice_params slice_params;
diff --git a/libavcodec/v4l2_request_vp8.c b/libavcodec/v4l2_request_vp8.c
index 7e75ee398a2..ea2c55fa2f5 100644
--- a/libavcodec/v4l2_request_vp8.c
+++ b/libavcodec/v4l2_request_vp8.c
@@ -19,6 +19,7 @@
#include "hwconfig.h"
#include "v4l2_request.h"
#include "vp8.h"
+#include "vp8-ctrls.h"
typedef struct V4L2RequestControlsVP8 {
struct v4l2_ctrl_vp8_frame_header ctrl;
diff --git a/libavcodec/vp8-ctrls.h b/libavcodec/vp8-ctrls.h
new file mode 100644
index 00000000000..53cba826e48
--- /dev/null
+++ b/libavcodec/vp8-ctrls.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are the VP8 state controls for use with stateless VP8
+ * codec drivers.
+ *
+ * It turns out that these structs are not stable yet and will undergo
+ * more changes. So keep them private until they are stable and ready to
+ * become part of the official public API.
+ */
+
+#ifndef _VP8_CTRLS_H_
+#define _VP8_CTRLS_H_
+
+#include <linux/types.h>
+
+#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F')
+
+#define V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER (V4L2_CID_MPEG_BASE + 2000)
+#define V4L2_CTRL_TYPE_VP8_FRAME_HEADER 0x301
+
+#define V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED 0x01
+#define V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP 0x02
+#define V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_FEATURE_DATA 0x04
+#define V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE 0x08
+
+struct v4l2_vp8_segment_header {
+ __s8 quant_update[4];
+ __s8 lf_update[4];
+ __u8 segment_probs[3];
+ __u8 padding;
+ __u32 flags;
+};
+
+#define V4L2_VP8_LF_HEADER_ADJ_ENABLE 0x01
+#define V4L2_VP8_LF_HEADER_DELTA_UPDATE 0x02
+#define V4L2_VP8_LF_FILTER_TYPE_SIMPLE 0x04
+struct v4l2_vp8_loopfilter_header {
+ __s8 ref_frm_delta[4];
+ __s8 mb_mode_delta[4];
+ __u8 sharpness_level;
+ __u8 level;
+ __u16 padding;
+ __u32 flags;
+};
+
+struct v4l2_vp8_quantization_header {
+ __u8 y_ac_qi;
+ __s8 y_dc_delta;
+ __s8 y2_dc_delta;
+ __s8 y2_ac_delta;
+ __s8 uv_dc_delta;
+ __s8 uv_ac_delta;
+ __u16 padding;
+};
+
+struct v4l2_vp8_entropy_header {
+ __u8 coeff_probs[4][8][3][11];
+ __u8 y_mode_probs[4];
+ __u8 uv_mode_probs[3];
+ __u8 mv_probs[2][19];
+ __u8 padding[3];
+};
+
+struct v4l2_vp8_entropy_coder_state {
+ __u8 range;
+ __u8 value;
+ __u8 bit_count;
+ __u8 padding;
+};
+
+#define V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME 0x01
+#define V4L2_VP8_FRAME_HEADER_FLAG_EXPERIMENTAL 0x02
+#define V4L2_VP8_FRAME_HEADER_FLAG_SHOW_FRAME 0x04
+#define V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF 0x08
+#define V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN 0x10
+#define V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT 0x20
+
+#define VP8_FRAME_IS_KEY_FRAME(hdr) \
+ (!!((hdr)->flags & V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME))
+
+struct v4l2_ctrl_vp8_frame_header {
+ struct v4l2_vp8_segment_header segment_header;
+ struct v4l2_vp8_loopfilter_header lf_header;
+ struct v4l2_vp8_quantization_header quant_header;
+ struct v4l2_vp8_entropy_header entropy_header;
+ struct v4l2_vp8_entropy_coder_state coder_state;
+
+ __u16 width;
+ __u16 height;
+
+ __u8 horizontal_scale;
+ __u8 vertical_scale;
+
+ __u8 version;
+ __u8 prob_skip_false;
+ __u8 prob_intra;
+ __u8 prob_last;
+ __u8 prob_gf;
+ __u8 num_dct_parts;
+
+ __u32 first_part_size;
+ __u32 first_part_header_bits;
+ __u32 dct_part_sizes[8];
+
+ __u64 last_frame_ts;
+ __u64 golden_frame_ts;
+ __u64 alt_frame_ts;
+
+ __u64 flags;
+};
+
+#endif
From 77c91a97c87424c1d6bff888bc8562a9b6697aa2 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sat, 2 May 2020 11:00:26 +0000
Subject: [PATCH 10/20] Update to v5.7 private linux headers
---
libavcodec/h264-ctrls.h | 2 ++
libavcodec/v4l2_request_h264.c | 8 +++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/libavcodec/h264-ctrls.h b/libavcodec/h264-ctrls.h
index e877bf1d537..1c6ff7d63bc 100644
--- a/libavcodec/h264-ctrls.h
+++ b/libavcodec/h264-ctrls.h
@@ -185,6 +185,8 @@ struct v4l2_ctrl_h264_slice_params {
#define V4L2_H264_DPB_ENTRY_FLAG_VALID 0x01
#define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x02
#define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04
+#define V4L2_H264_DPB_ENTRY_FLAG_FIELD 0x08
+#define V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD 0x10
struct v4l2_h264_dpb_entry {
__u64 reference_ts;
diff --git a/libavcodec/v4l2_request_h264.c b/libavcodec/v4l2_request_h264.c
index 0254716e523..d28ed07da3b 100644
--- a/libavcodec/v4l2_request_h264.c
+++ b/libavcodec/v4l2_request_h264.c
@@ -67,8 +67,14 @@ static void fill_dpb_entry(struct v4l2_h264_dpb_entry *entry, const H264Picture
entry->frame_num = pic->frame_num;
entry->pic_num = pic->pic_id;
entry->flags = V4L2_H264_DPB_ENTRY_FLAG_VALID;
- if (pic->reference)
+ if (pic->reference) {
entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
+ if (pic->reference != PICT_FRAME) {
+ entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_FIELD;
+ if (pic->reference == PICT_BOTTOM_FIELD)
+ entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD;
+ }
+ }
if (pic->long_ref)
entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM;
if (pic->field_poc[0] != INT_MAX)
From 40407184ac1cd48d35acc6b0d8bdec48a98c74fb Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sat, 2 May 2020 22:03:42 +0000
Subject: [PATCH 11/20] Update to v5.8 private linux headers
---
libavcodec/h264-ctrls.h | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavcodec/h264-ctrls.h b/libavcodec/h264-ctrls.h
index 1c6ff7d63bc..080fd1293c4 100644
--- a/libavcodec/h264-ctrls.h
+++ b/libavcodec/h264-ctrls.h
@@ -13,6 +13,12 @@
#include <linux/videodev2.h>
+/*
+ * Maximum DPB size, as specified by section 'A.3.1 Level limits
+ * common to the Baseline, Main, and Extended profiles'.
+ */
+#define V4L2_H264_NUM_DPB_ENTRIES 16
+
/* Our pixel format isn't stable at the moment */
#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
@@ -201,7 +207,7 @@ struct v4l2_h264_dpb_entry {
#define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC 0x01
struct v4l2_ctrl_h264_decode_params {
- struct v4l2_h264_dpb_entry dpb[16];
+ struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES];
__u16 num_slices;
__u16 nal_ref_idc;
__s32 top_field_order_cnt;
From 6a151e35d99c430030709b49a6abd36349a65887 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Sun, 6 Sep 2020 16:07:13 +0000
Subject: [PATCH 12/20] Update to v5.10 private linux headers
---
libavcodec/h264-ctrls.h | 87 +++++++++-------
libavcodec/v4l2_request_h264.c | 182 ++++++++++++++++-----------------
2 files changed, 136 insertions(+), 133 deletions(-)
diff --git a/libavcodec/h264-ctrls.h b/libavcodec/h264-ctrls.h
index 080fd1293c4..ec479915443 100644
--- a/libavcodec/h264-ctrls.h
+++ b/libavcodec/h264-ctrls.h
@@ -19,6 +19,8 @@
*/
#define V4L2_H264_NUM_DPB_ENTRIES 16
+#define V4L2_H264_REF_LIST_LEN (2 * V4L2_H264_NUM_DPB_ENTRIES)
+
/* Our pixel format isn't stable at the moment */
#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
@@ -34,6 +36,7 @@
#define V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS (V4L2_CID_MPEG_BASE+1004)
#define V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE (V4L2_CID_MPEG_BASE+1005)
#define V4L2_CID_MPEG_VIDEO_H264_START_CODE (V4L2_CID_MPEG_BASE+1006)
+#define V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS (V4L2_CID_MPEG_BASE+1007)
/* enum v4l2_ctrl_type type values */
#define V4L2_CTRL_TYPE_H264_SPS 0x0110
@@ -41,6 +44,7 @@
#define V4L2_CTRL_TYPE_H264_SCALING_MATRIX 0x0112
#define V4L2_CTRL_TYPE_H264_SLICE_PARAMS 0x0113
#define V4L2_CTRL_TYPE_H264_DECODE_PARAMS 0x0114
+#define V4L2_CTRL_TYPE_H264_PRED_WEIGHTS 0x0115
enum v4l2_mpeg_video_h264_decode_mode {
V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED,
@@ -95,7 +99,7 @@ struct v4l2_ctrl_h264_sps {
#define V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED 0x0010
#define V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT 0x0020
#define V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE 0x0040
-#define V4L2_H264_PPS_FLAG_PIC_SCALING_MATRIX_PRESENT 0x0080
+#define V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT 0x0080
struct v4l2_ctrl_h264_pps {
__u8 pic_parameter_set_id;
@@ -123,7 +127,14 @@ struct v4l2_h264_weight_factors {
__s16 chroma_offset[32][2];
};
-struct v4l2_h264_pred_weight_table {
+#define V4L2_H264_CTRL_PRED_WEIGHTS_REQUIRED(pps, slice) \
+ ((((pps)->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED) && \
+ ((slice)->slice_type == V4L2_H264_SLICE_TYPE_P || \
+ (slice)->slice_type == V4L2_H264_SLICE_TYPE_SP)) || \
+ ((pps)->weighted_bipred_idc == 1 && \
+ (slice)->slice_type == V4L2_H264_SLICE_TYPE_B))
+
+struct v4l2_ctrl_h264_pred_weights {
__u16 luma_log2_weight_denom;
__u16 chroma_log2_weight_denom;
struct v4l2_h264_weight_factors weight_factors[2];
@@ -135,39 +146,29 @@ struct v4l2_h264_pred_weight_table {
#define V4L2_H264_SLICE_TYPE_SP 3
#define V4L2_H264_SLICE_TYPE_SI 4
-#define V4L2_H264_SLICE_FLAG_FIELD_PIC 0x01
-#define V4L2_H264_SLICE_FLAG_BOTTOM_FIELD 0x02
-#define V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED 0x04
-#define V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH 0x08
+#define V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED 0x01
+#define V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH 0x02
-struct v4l2_ctrl_h264_slice_params {
- /* Size in bytes, including header */
- __u32 size;
+#define V4L2_H264_TOP_FIELD_REF 0x1
+#define V4L2_H264_BOTTOM_FIELD_REF 0x2
+#define V4L2_H264_FRAME_REF 0x3
- /* Offset in bytes to the start of slice in the OUTPUT buffer. */
- __u32 start_byte_offset;
+struct v4l2_h264_reference {
+ __u8 fields;
+
+ /* Index into v4l2_ctrl_h264_decode_params.dpb[] */
+ __u8 index;
+};
+struct v4l2_ctrl_h264_slice_params {
/* Offset in bits to slice_data() from the beginning of this slice. */
__u32 header_bit_size;
- __u16 first_mb_in_slice;
+ __u32 first_mb_in_slice;
+
__u8 slice_type;
- __u8 pic_parameter_set_id;
__u8 colour_plane_id;
__u8 redundant_pic_cnt;
- __u16 frame_num;
- __u16 idr_pic_id;
- __u16 pic_order_cnt_lsb;
- __s32 delta_pic_order_cnt_bottom;
- __s32 delta_pic_order_cnt0;
- __s32 delta_pic_order_cnt1;
-
- struct v4l2_h264_pred_weight_table pred_weight_table;
- /* Size in bits of dec_ref_pic_marking() syntax element. */
- __u32 dec_ref_pic_marking_bit_size;
- /* Size in bits of pic order count syntax. */
- __u32 pic_order_cnt_bit_size;
-
__u8 cabac_init_idc;
__s8 slice_qp_delta;
__s8 slice_qs_delta;
@@ -176,14 +177,11 @@ struct v4l2_ctrl_h264_slice_params {
__s8 slice_beta_offset_div2;
__u8 num_ref_idx_l0_active_minus1;
__u8 num_ref_idx_l1_active_minus1;
- __u32 slice_group_change_cycle;
- /*
- * Entries on each list are indices into
- * v4l2_ctrl_h264_decode_params.dpb[].
- */
- __u8 ref_pic_list0[32];
- __u8 ref_pic_list1[32];
+ __u8 reserved;
+
+ struct v4l2_h264_reference ref_pic_list0[V4L2_H264_REF_LIST_LEN];
+ struct v4l2_h264_reference ref_pic_list1[V4L2_H264_REF_LIST_LEN];
__u32 flags;
};
@@ -192,26 +190,41 @@ struct v4l2_ctrl_h264_slice_params {
#define V4L2_H264_DPB_ENTRY_FLAG_ACTIVE 0x02
#define V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM 0x04
#define V4L2_H264_DPB_ENTRY_FLAG_FIELD 0x08
-#define V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD 0x10
struct v4l2_h264_dpb_entry {
__u64 reference_ts;
+ __u32 pic_num;
__u16 frame_num;
- __u16 pic_num;
+ __u8 fields;
+ __u8 reserved[5];
/* Note that field is indicated by v4l2_buffer.field */
__s32 top_field_order_cnt;
__s32 bottom_field_order_cnt;
__u32 flags; /* V4L2_H264_DPB_ENTRY_FLAG_* */
};
-#define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC 0x01
+#define V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC 0x01
+#define V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC 0x02
+#define V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD 0x04
struct v4l2_ctrl_h264_decode_params {
struct v4l2_h264_dpb_entry dpb[V4L2_H264_NUM_DPB_ENTRIES];
- __u16 num_slices;
__u16 nal_ref_idc;
+ __u16 frame_num;
__s32 top_field_order_cnt;
__s32 bottom_field_order_cnt;
+ __u16 idr_pic_id;
+ __u16 pic_order_cnt_lsb;
+ __s32 delta_pic_order_cnt_bottom;
+ __s32 delta_pic_order_cnt0;
+ __s32 delta_pic_order_cnt1;
+ /* Size in bits of dec_ref_pic_marking() syntax element. */
+ __u32 dec_ref_pic_marking_bit_size;
+ /* Size in bits of pic order count syntax. */
+ __u32 pic_order_cnt_bit_size;
+ __u32 slice_group_change_cycle;
+
+ __u32 reserved;
__u32 flags; /* V4L2_H264_DECODE_PARAM_FLAG_* */
};
diff --git a/libavcodec/v4l2_request_h264.c b/libavcodec/v4l2_request_h264.c
index d28ed07da3b..c9dbaf8c3e3 100644
--- a/libavcodec/v4l2_request_h264.c
+++ b/libavcodec/v4l2_request_h264.c
@@ -26,15 +26,17 @@ typedef struct V4L2RequestControlsH264 {
struct v4l2_ctrl_h264_pps pps;
struct v4l2_ctrl_h264_scaling_matrix scaling_matrix;
struct v4l2_ctrl_h264_decode_params decode_params;
- struct v4l2_ctrl_h264_slice_params slice_params[MAX_SLICES];
+ struct v4l2_ctrl_h264_slice_params slice_params;
+ struct v4l2_ctrl_h264_pred_weights pred_weights;
+ int pred_weights_required;
int first_slice;
+ int num_slices;
} V4L2RequestControlsH264;
typedef struct V4L2RequestContextH264 {
V4L2RequestContext base;
int decode_mode;
int start_code;
- int max_slices;
} V4L2RequestContextH264;
static uint8_t nalu_slice_start_code[] = { 0x00, 0x00, 0x01 };
@@ -64,19 +66,16 @@ static void fill_weight_factors(struct v4l2_h264_weight_factors *factors, int li
static void fill_dpb_entry(struct v4l2_h264_dpb_entry *entry, const H264Picture *pic)
{
entry->reference_ts = ff_v4l2_request_get_capture_timestamp(pic->f);
- entry->frame_num = pic->frame_num;
entry->pic_num = pic->pic_id;
+ entry->frame_num = pic->frame_num;
+ entry->fields = pic->reference & V4L2_H264_FRAME_REF;
entry->flags = V4L2_H264_DPB_ENTRY_FLAG_VALID;
- if (pic->reference) {
+ if (entry->fields)
entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_ACTIVE;
- if (pic->reference != PICT_FRAME) {
- entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_FIELD;
- if (pic->reference == PICT_BOTTOM_FIELD)
- entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_BOTTOM_FIELD;
- }
- }
if (pic->long_ref)
entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM;
+ if (pic->field_picture)
+ entry->flags |= V4L2_H264_DPB_ENTRY_FLAG_FIELD;
if (pic->field_poc[0] != INT_MAX)
entry->top_field_order_cnt = pic->field_poc[0];
if (pic->field_poc[1] != INT_MAX)
@@ -103,23 +102,24 @@ static void fill_dpb(struct v4l2_ctrl_h264_decode_params *decode, const H264Cont
}
}
-static uint8_t get_dpb_index(struct v4l2_ctrl_h264_decode_params *decode, const H264Ref *ref)
+static void fill_ref_list(struct v4l2_h264_reference *reference, struct v4l2_ctrl_h264_decode_params *decode, const H264Ref *ref)
{
uint64_t timestamp;
if (!ref->parent)
- return 0;
+ return;
timestamp = ff_v4l2_request_get_capture_timestamp(ref->parent->f);
for (uint8_t i = 0; i < FF_ARRAY_ELEMS(decode->dpb); i++) {
struct v4l2_h264_dpb_entry *entry = &decode->dpb[i];
if ((entry->flags & V4L2_H264_DPB_ENTRY_FLAG_VALID) &&
- entry->reference_ts == timestamp)
- return i;
+ entry->reference_ts == timestamp) {
+ reference->fields = ref->reference & V4L2_H264_FRAME_REF;
+ reference->index = i;
+ return;
+ }
}
-
- return 0;
}
static void fill_sps(struct v4l2_ctrl_h264_sps *ctrl, const H264Context *h)
@@ -139,13 +139,15 @@ static void fill_sps(struct v4l2_ctrl_h264_sps *ctrl, const H264Context *h)
.log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
.max_num_ref_frames = sps->ref_frame_count,
.num_ref_frames_in_pic_order_cnt_cycle = sps->poc_cycle_length,
- //.offset_for_ref_frame[255] - not required? not set by libva-v4l2-request - copy sps->offset_for_ref_frame
.offset_for_non_ref_pic = sps->offset_for_non_ref_pic,
.offset_for_top_to_bottom_field = sps->offset_for_top_to_bottom_field,
.pic_width_in_mbs_minus1 = h->mb_width - 1,
.pic_height_in_map_units_minus1 = sps->frame_mbs_only_flag ? h->mb_height - 1 : h->mb_height / 2 - 1,
};
+ if (sps->poc_cycle_length > 0 && sps->poc_cycle_length <= 255)
+ memcpy(ctrl->offset_for_ref_frame, sps->offset_for_ref_frame, sps->poc_cycle_length * sizeof(ctrl->offset_for_ref_frame[0]));
+
if (sps->residual_color_transform_flag)
ctrl->flags |= V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE;
if (sps->transform_bypass)
@@ -196,6 +198,9 @@ static void fill_pps(struct v4l2_ctrl_h264_pps *ctrl, const H264Context *h)
ctrl->flags |= V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT;
if (pps->transform_8x8_mode)
ctrl->flags |= V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE;
+
+ /* FFmpeg always provide a scaling matrix */
+ ctrl->flags |= V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT;
}
static int v4l2_request_h264_start_frame(AVCodecContext *avctx,
@@ -205,6 +210,7 @@ static int v4l2_request_h264_start_frame(AVCodecContext *avctx,
const H264Context *h = avctx->priv_data;
const PPS *pps = h->ps.pps;
const SPS *sps = h->ps.sps;
+ const H264SliceContext *sl = &h->slice_ctx[0];
V4L2RequestControlsH264 *controls = h->cur_pic_ptr->hwaccel_picture_private;
fill_sps(&controls->sps, h);
@@ -222,18 +228,33 @@ static int v4l2_request_h264_start_frame(AVCodecContext *avctx,
}
controls->decode_params = (struct v4l2_ctrl_h264_decode_params) {
- .num_slices = 0,
.nal_ref_idc = h->nal_ref_idc,
+ .frame_num = h->poc.frame_num,
.top_field_order_cnt = h->cur_pic_ptr->field_poc[0] != INT_MAX ? h->cur_pic_ptr->field_poc[0] : 0,
.bottom_field_order_cnt = h->cur_pic_ptr->field_poc[1] != INT_MAX ? h->cur_pic_ptr->field_poc[1] : 0,
+ .idr_pic_id = sl->idr_pic_id,
+ .pic_order_cnt_lsb = sl->poc_lsb,
+ .delta_pic_order_cnt_bottom = sl->delta_poc_bottom,
+ .delta_pic_order_cnt0 = sl->delta_poc[0],
+ .delta_pic_order_cnt1 = sl->delta_poc[1],
+ /* Size in bits of dec_ref_pic_marking() syntax element. */
+ .dec_ref_pic_marking_bit_size = sl->ref_pic_marking_size_in_bits,
+ /* Size in bits of pic order count syntax. */
+ .pic_order_cnt_bit_size = sl->pic_order_cnt_bit_size,
+ .slice_group_change_cycle = 0, /* slice group not supported by FFmpeg */
};
if (h->picture_idr)
controls->decode_params.flags |= V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC;
+ if (FIELD_PICTURE(h))
+ controls->decode_params.flags |= V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC;
+ if (h->picture_structure == PICT_BOTTOM_FIELD)
+ controls->decode_params.flags |= V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD;
fill_dpb(&controls->decode_params, h);
controls->first_slice = !FIELD_PICTURE(h) || h->first_field;
+ controls->num_slices = 0;
return ff_v4l2_request_reset_frame(avctx, h->cur_pic_ptr->f);
}
@@ -260,22 +281,29 @@ static int v4l2_request_h264_queue_decode(AVCodecContext *avctx, int last_slice)
.ptr = &controls->scaling_matrix,
.size = sizeof(controls->scaling_matrix),
},
+ {
+ .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
+ .ptr = &controls->decode_params,
+ .size = sizeof(controls->decode_params),
+ },
{
.id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
.ptr = &controls->slice_params,
- .size = sizeof(controls->slice_params[0]) * FFMAX(FFMIN(controls->decode_params.num_slices, MAX_SLICES), ctx->max_slices),
+ .size = sizeof(controls->slice_params),
},
{
- .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
- .ptr = &controls->decode_params,
- .size = sizeof(controls->decode_params),
+ .id = V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS,
+ .ptr = &controls->pred_weights,
+ .size = sizeof(controls->pred_weights),
},
};
- if (ctx->decode_mode == V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED)
- return ff_v4l2_request_decode_slice(avctx, h->cur_pic_ptr->f, control, FF_ARRAY_ELEMS(control), controls->first_slice, last_slice);
+ if (ctx->decode_mode == V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED) {
+ int count = FF_ARRAY_ELEMS(control) - (controls->pred_weights_required ? 0 : 1);
+ return ff_v4l2_request_decode_slice(avctx, h->cur_pic_ptr->f, control, count, controls->first_slice, last_slice);
+ }
- return ff_v4l2_request_decode_frame(avctx, h->cur_pic_ptr->f, control, FF_ARRAY_ELEMS(control));
+ return ff_v4l2_request_decode_frame(avctx, h->cur_pic_ptr->f, control, FF_ARRAY_ELEMS(control) - 2);
}
static int v4l2_request_h264_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
@@ -285,89 +313,72 @@ static int v4l2_request_h264_decode_slice(AVCodecContext *avctx, const uint8_t *
const H264SliceContext *sl = &h->slice_ctx[0];
V4L2RequestControlsH264 *controls = h->cur_pic_ptr->hwaccel_picture_private;
V4L2RequestContextH264 *ctx = avctx->internal->hwaccel_priv_data;
- V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)h->cur_pic_ptr->f->data[0];
- int i, ret, count, slice = FFMIN(controls->decode_params.num_slices, MAX_SLICES - 1);
+ int i, ret, count;
- if (ctx->decode_mode == V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED && slice) {
+ if (ctx->decode_mode == V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED && controls->num_slices) {
ret = v4l2_request_h264_queue_decode(avctx, 0);
if (ret)
return ret;
ff_v4l2_request_reset_frame(avctx, h->cur_pic_ptr->f);
- slice = controls->decode_params.num_slices = 0;
controls->first_slice = 0;
}
- controls->slice_params[slice] = (struct v4l2_ctrl_h264_slice_params) {
- /* Size in bytes, including header */
- .size = 0,
- .start_byte_offset = req->output.used,
+ if (ctx->start_code == V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B) {
+ ret = ff_v4l2_request_append_output_buffer(avctx, h->cur_pic_ptr->f, nalu_slice_start_code, 3);
+ if (ret)
+ return ret;
+ }
+
+ ret = ff_v4l2_request_append_output_buffer(avctx, h->cur_pic_ptr->f, buffer, size);
+ if (ret)
+ return ret;
+
+ if (ctx->decode_mode != V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED)
+ return 0;
+
+ controls->slice_params = (struct v4l2_ctrl_h264_slice_params) {
/* Offset in bits to slice_data() from the beginning of this slice. */
.header_bit_size = get_bits_count(&sl->gb),
.first_mb_in_slice = sl->first_mb_addr,
+
.slice_type = ff_h264_get_slice_type(sl),
- .pic_parameter_set_id = sl->pps_id,
- .colour_plane_id = 0, /* what is this? */
- .frame_num = h->poc.frame_num,
- .idr_pic_id = sl->idr_pic_id,
- .pic_order_cnt_lsb = sl->poc_lsb,
- .delta_pic_order_cnt_bottom = sl->delta_poc_bottom,
- .delta_pic_order_cnt0 = sl->delta_poc[0],
- .delta_pic_order_cnt1 = sl->delta_poc[1],
+ .colour_plane_id = 0, /* separate colour plane not supported by FFmpeg */
.redundant_pic_cnt = sl->redundant_pic_count,
-
- /* Size in bits of dec_ref_pic_marking() syntax element. */
- .dec_ref_pic_marking_bit_size = sl->ref_pic_marking_size_in_bits,
- /* Size in bits of pic order count syntax. */
- .pic_order_cnt_bit_size = sl->pic_order_cnt_bit_size,
-
.cabac_init_idc = sl->cabac_init_idc,
.slice_qp_delta = sl->qscale - pps->init_qp,
- .slice_qs_delta = 0, /* XXX not implemented by FFmpeg */
+ .slice_qs_delta = 0, /* not implemented by FFmpeg */
.disable_deblocking_filter_idc = sl->deblocking_filter < 2 ? !sl->deblocking_filter : sl->deblocking_filter,
.slice_alpha_c0_offset_div2 = sl->slice_alpha_c0_offset / 2,
.slice_beta_offset_div2 = sl->slice_beta_offset / 2,
- .slice_group_change_cycle = 0, /* what is this? */
-
.num_ref_idx_l0_active_minus1 = sl->list_count > 0 ? sl->ref_count[0] - 1 : 0,
.num_ref_idx_l1_active_minus1 = sl->list_count > 1 ? sl->ref_count[1] - 1 : 0,
};
- if (FIELD_PICTURE(h))
- controls->slice_params[slice].flags |= V4L2_H264_SLICE_FLAG_FIELD_PIC;
- if (h->picture_structure == PICT_BOTTOM_FIELD)
- controls->slice_params[slice].flags |= V4L2_H264_SLICE_FLAG_BOTTOM_FIELD;
if (sl->slice_type == AV_PICTURE_TYPE_B && sl->direct_spatial_mv_pred)
- controls->slice_params[slice].flags |= V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED;
+ controls->slice_params.flags |= V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED;
+ /* V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH: not implemented by FFmpeg */
- controls->slice_params[slice].pred_weight_table.chroma_log2_weight_denom = sl->pwt.chroma_log2_weight_denom;
- controls->slice_params[slice].pred_weight_table.luma_log2_weight_denom = sl->pwt.luma_log2_weight_denom;
+ controls->pred_weights_required = V4L2_H264_CTRL_PRED_WEIGHTS_REQUIRED(&controls->pps, &controls->slice_params);
+ if (controls->pred_weights_required) {
+ controls->pred_weights.chroma_log2_weight_denom = sl->pwt.chroma_log2_weight_denom;
+ controls->pred_weights.luma_log2_weight_denom = sl->pwt.luma_log2_weight_denom;
+ }
count = sl->list_count > 0 ? sl->ref_count[0] : 0;
for (i = 0; i < count; i++)
- controls->slice_params[slice].ref_pic_list0[i] = get_dpb_index(&controls->decode_params, &sl->ref_list[0][i]);
- if (count)
- fill_weight_factors(&controls->slice_params[slice].pred_weight_table.weight_factors[0], 0, sl);
+ fill_ref_list(&controls->slice_params.ref_pic_list0[i], &controls->decode_params, &sl->ref_list[0][i]);
+ if (count && controls->pred_weights_required)
+ fill_weight_factors(&controls->pred_weights.weight_factors[0], 0, sl);
count = sl->list_count > 1 ? sl->ref_count[1] : 0;
for (i = 0; i < count; i++)
- controls->slice_params[slice].ref_pic_list1[i] = get_dpb_index(&controls->decode_params, &sl->ref_list[1][i]);
- if (count)
- fill_weight_factors(&controls->slice_params[slice].pred_weight_table.weight_factors[1], 1, sl);
-
- if (ctx->start_code == V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B) {
- ret = ff_v4l2_request_append_output_buffer(avctx, h->cur_pic_ptr->f, nalu_slice_start_code, 3);
- if (ret)
- return ret;
- }
+ fill_ref_list(&controls->slice_params.ref_pic_list1[i], &controls->decode_params, &sl->ref_list[1][i]);
+ if (count && controls->pred_weights_required)
+ fill_weight_factors(&controls->pred_weights.weight_factors[1], 1, sl);
- ret = ff_v4l2_request_append_output_buffer(avctx, h->cur_pic_ptr->f, buffer, size);
- if (ret)
- return ret;
-
- controls->slice_params[slice].size = req->output.used - controls->slice_params[slice].start_byte_offset;
- controls->decode_params.num_slices++;
+ controls->num_slices++;
return 0;
}
@@ -380,15 +391,11 @@ static int v4l2_request_h264_end_frame(AVCodecContext *avctx)
static int v4l2_request_h264_set_controls(AVCodecContext *avctx)
{
V4L2RequestContextH264 *ctx = avctx->internal->hwaccel_priv_data;
- int ret;
struct v4l2_ext_control control[] = {
{ .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE, },
{ .id = V4L2_CID_MPEG_VIDEO_H264_START_CODE, },
};
- struct v4l2_query_ext_ctrl slice_params = {
- .id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
- };
ctx->decode_mode = ff_v4l2_request_query_control_default_value(avctx, V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE);
if (ctx->decode_mode != V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED &&
@@ -404,16 +411,6 @@ static int v4l2_request_h264_set_controls(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
- ret = ff_v4l2_request_query_control(avctx, &slice_params);
- if (ret)
- return ret;
-
- ctx->max_slices = slice_params.elems;
- if (ctx->max_slices > MAX_SLICES) {
- av_log(avctx, AV_LOG_ERROR, "%s: unsupported max slices, %d\n", __func__, ctx->max_slices);
- return AVERROR(EINVAL);
- }
-
control[0].value = ctx->decode_mode;
control[1].value = ctx->start_code;
@@ -424,7 +421,6 @@ static int v4l2_request_h264_init(AVCodecContext *avctx)
{
const H264Context *h = avctx->priv_data;
struct v4l2_ctrl_h264_sps sps;
- struct v4l2_ctrl_h264_pps pps;
int ret;
struct v4l2_ext_control control[] = {
@@ -433,15 +429,9 @@ static int v4l2_request_h264_init(AVCodecContext *avctx)
.ptr = &sps,
.size = sizeof(sps),
},
- {
- .id = V4L2_CID_MPEG_VIDEO_H264_PPS,
- .ptr = &pps,
- .size = sizeof(pps),
- },
};
fill_sps(&sps, h);
- fill_pps(&pps, h);
ret = ff_v4l2_request_init(avctx, V4L2_PIX_FMT_H264_SLICE, 4 * 1024 * 1024, control, FF_ARRAY_ELEMS(control));
if (ret)
From f9f4a89058a6fac25712cc385eab72f70e9ac4c8 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Mon, 29 Apr 2019 22:08:59 +0000
Subject: [PATCH 13/20] HACK: hwcontext_drm: do not require drm device
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
libavutil/hwcontext_drm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavutil/hwcontext_drm.c b/libavutil/hwcontext_drm.c
index 32cbde82ebf..aa4794c5e66 100644
--- a/libavutil/hwcontext_drm.c
+++ b/libavutil/hwcontext_drm.c
@@ -43,6 +43,11 @@ static int drm_device_create(AVHWDeviceContext *hwdev, const char *device,
AVDRMDeviceContext *hwctx = hwdev->hwctx;
drmVersionPtr version;
+ if (device == NULL) {
+ hwctx->fd = -1;
+ return 0;
+ }
+
hwctx->fd = open(device, O_RDWR);
if (hwctx->fd < 0)
return AVERROR(errno);
From 027f8c90ec25c42899b24d96b434e6ed1a1a8c40 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 14/20] WIP: hevc scaling matrix
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
libavcodec/hevc-ctrls.h | 11 +++++++++++
libavcodec/v4l2_request_hevc.c | 22 ++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/libavcodec/hevc-ctrls.h b/libavcodec/hevc-ctrls.h
index 1009cf0891c..1592e52c361 100644
--- a/libavcodec/hevc-ctrls.h
+++ b/libavcodec/hevc-ctrls.h
@@ -19,6 +19,7 @@
#define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_MPEG_BASE + 1008)
#define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_MPEG_BASE + 1009)
#define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_MPEG_BASE + 1010)
+#define V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (V4L2_CID_MPEG_BASE + 1011)
#define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_MPEG_BASE + 1015)
#define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_MPEG_BASE + 1016)
@@ -26,6 +27,7 @@
#define V4L2_CTRL_TYPE_HEVC_SPS 0x0120
#define V4L2_CTRL_TYPE_HEVC_PPS 0x0121
#define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122
+#define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0123
enum v4l2_mpeg_video_hevc_decode_mode {
V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED,
@@ -209,4 +211,13 @@ struct v4l2_ctrl_hevc_slice_params {
__u64 flags;
};
+struct v4l2_ctrl_hevc_scaling_matrix {
+ __u8 scaling_list_4x4[6][16];
+ __u8 scaling_list_8x8[6][64];
+ __u8 scaling_list_16x16[6][64];
+ __u8 scaling_list_32x32[2][64];
+ __u8 scaling_list_dc_coef_16x16[6];
+ __u8 scaling_list_dc_coef_32x32[2];
+};
+
#endif
diff --git a/libavcodec/v4l2_request_hevc.c b/libavcodec/v4l2_request_hevc.c
index c16f8a868e3..f400bf4f3c8 100644
--- a/libavcodec/v4l2_request_hevc.c
+++ b/libavcodec/v4l2_request_hevc.c
@@ -26,6 +26,7 @@
typedef struct V4L2RequestControlsHEVC {
struct v4l2_ctrl_hevc_sps sps;
struct v4l2_ctrl_hevc_pps pps;
+ struct v4l2_ctrl_hevc_scaling_matrix scaling_matrix;
struct v4l2_ctrl_hevc_slice_params slice_params[MAX_SLICES];
int first_slice;
int num_slices; //TODO: this should be in control
@@ -295,6 +296,22 @@ static int v4l2_request_hevc_start_frame(AVCodecContext *avctx,
fill_sps(&controls->sps, h);
+ if (sl) {
+ for (int i = 0; i < 6; i++) {
+ for (int j = 0; j < 16; j++)
+ controls->scaling_matrix.scaling_list_4x4[i][j] = sl->sl[0][i][j];
+ for (int j = 0; j < 64; j++) {
+ controls->scaling_matrix.scaling_list_8x8[i][j] = sl->sl[1][i][j];
+ controls->scaling_matrix.scaling_list_16x16[i][j] = sl->sl[2][i][j];
+ if (i < 2)
+ controls->scaling_matrix.scaling_list_32x32[i][j] = sl->sl[3][i * 3][j];
+ }
+ controls->scaling_matrix.scaling_list_dc_coef_16x16[i] = sl->sl_dc[0][i];
+ if (i < 2)
+ controls->scaling_matrix.scaling_list_dc_coef_32x32[i] = sl->sl_dc[1][i * 3];
+ }
+ }
+
/* ISO/IEC 23008-2, ITU-T Rec. H.265: Picture parameter set */
controls->pps = (struct v4l2_ctrl_hevc_pps) {
.num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
@@ -398,6 +415,11 @@ static int v4l2_request_hevc_queue_decode(AVCodecContext *avctx, int last_slice)
.ptr = &controls->pps,
.size = sizeof(controls->pps),
},
+ {
+ .id = V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX,
+ .ptr = &controls->scaling_matrix,
+ .size = sizeof(controls->scaling_matrix),
+ },
{
.id = V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS,
.ptr = &controls->slice_params,
From 9c4a66cca0df6fd0976f907f1e315a715e5ffd87 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 15/20] WIP: hevc segment address
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
libavcodec/hevc-ctrls.h | 5 ++++-
libavcodec/v4l2_request_hevc.c | 3 +++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/libavcodec/hevc-ctrls.h b/libavcodec/hevc-ctrls.h
index 1592e52c361..3e2e3209831 100644
--- a/libavcodec/hevc-ctrls.h
+++ b/libavcodec/hevc-ctrls.h
@@ -167,6 +167,9 @@ struct v4l2_ctrl_hevc_slice_params {
__u32 bit_size;
__u32 data_bit_offset;
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ __u32 slice_segment_addr;
+
/* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
__u8 nal_unit_type;
__u8 nuh_temporal_id_plus1;
@@ -200,7 +203,7 @@ struct v4l2_ctrl_hevc_slice_params {
__u8 num_rps_poc_st_curr_after;
__u8 num_rps_poc_lt_curr;
- __u8 padding;
+ __u8 padding[5];
/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
diff --git a/libavcodec/v4l2_request_hevc.c b/libavcodec/v4l2_request_hevc.c
index f400bf4f3c8..98222fc74c3 100644
--- a/libavcodec/v4l2_request_hevc.c
+++ b/libavcodec/v4l2_request_hevc.c
@@ -138,6 +138,9 @@ static void v4l2_request_hevc_fill_slice_params(const HEVCContext *h,
.bit_size = 0,
.data_bit_offset = get_bits_count(&h->HEVClc->gb),
+ /* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
+ .slice_segment_addr = sh->slice_segment_addr,
+
/* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
.nal_unit_type = h->nal_unit_type,
.nuh_temporal_id_plus1 = h->temporal_id + 1,
From 62795e555cfcccfc29c144f0ed5acae5336479c7 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Sat, 15 Dec 2018 22:32:16 +0100
Subject: [PATCH 16/20] WIP: hevc entry point offsets
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
libavcodec/hevc-ctrls.h | 5 ++++-
libavcodec/v4l2_request_hevc.c | 9 +++++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/libavcodec/hevc-ctrls.h b/libavcodec/hevc-ctrls.h
index 3e2e3209831..d1b094c8aae 100644
--- a/libavcodec/hevc-ctrls.h
+++ b/libavcodec/hevc-ctrls.h
@@ -169,6 +169,7 @@ struct v4l2_ctrl_hevc_slice_params {
/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
__u32 slice_segment_addr;
+ __u32 num_entry_point_offsets;
/* ISO/IEC 23008-2, ITU-T Rec. H.265: NAL unit header */
__u8 nal_unit_type;
@@ -203,7 +204,9 @@ struct v4l2_ctrl_hevc_slice_params {
__u8 num_rps_poc_st_curr_after;
__u8 num_rps_poc_lt_curr;
- __u8 padding[5];
+ __u8 padding;
+
+ __u32 entry_point_offset_minus1[256];
/* ISO/IEC 23008-2, ITU-T Rec. H.265: General slice segment header */
struct v4l2_hevc_dpb_entry dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX];
diff --git a/libavcodec/v4l2_request_hevc.c b/libavcodec/v4l2_request_hevc.c
index 98222fc74c3..7e77c83e4e4 100644
--- a/libavcodec/v4l2_request_hevc.c
+++ b/libavcodec/v4l2_request_hevc.c
@@ -225,6 +225,15 @@ static void v4l2_request_hevc_fill_slice_params(const HEVCContext *h,
}
v4l2_request_hevc_fill_pred_table(h, &slice_params->pred_weight_table);
+
+ slice_params->num_entry_point_offsets = sh->num_entry_point_offsets;
+ if (slice_params->num_entry_point_offsets > 256) {
+ slice_params->num_entry_point_offsets = 256;
+ av_log(NULL, AV_LOG_ERROR, "%s: Currently only 256 entry points are supported, but slice has %d entry points.\n", __func__, sh->num_entry_point_offsets);
+ }
+
+ for (i = 0; i < slice_params->num_entry_point_offsets; i++)
+ slice_params->entry_point_offset_minus1[i] = sh->entry_point_offset[i] - 1;
}
static void fill_sps(struct v4l2_ctrl_hevc_sps *ctrl, const HEVCContext *h)
From edaaede001e7fbae26a0a668ea1db2b642896322 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Thu, 12 Dec 2019 16:13:55 +0100
Subject: [PATCH 17/20] WIP: Add V4L2 request API vp9 hwaccel
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
---
configure | 3 +
libavcodec/Makefile | 1 +
libavcodec/hwaccels.h | 1 +
libavcodec/v4l2_request_vp9.c | 352 ++++++++++++++++++++++++++++++++++
libavcodec/vp9.c | 13 +-
libavcodec/vp9shared.h | 1 +
6 files changed, 370 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/v4l2_request_vp9.c
diff --git a/configure b/configure
index 623012757c6..2b723df55ae 100755
--- a/configure
+++ b/configure
@@ -3015,6 +3015,8 @@ vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
vp9_dxva2_hwaccel_select="vp9_decoder"
vp9_nvdec_hwaccel_deps="nvdec"
vp9_nvdec_hwaccel_select="vp9_decoder"
+vp9_v4l2request_hwaccel_deps="v4l2_request vp9_v4l2_request"
+vp9_v4l2request_hwaccel_select="vp9_decoder"
vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
vp9_vaapi_hwaccel_select="vp9_decoder"
vp9_vdpau_hwaccel_deps="vdpau VdpPictureInfoVP9"
@@ -6579,6 +6581,7 @@ check_cc h264_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_H264_SLICE;"
check_cc hevc_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC_SLICE;"
check_cc mpeg2_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2_SLICE;"
check_cc vp8_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_VP8_FRAME;"
+check_cc vp9_v4l2_request linux/videodev2.h "int i = V4L2_PIX_FMT_VP9_FRAME;"
check_headers sys/videoio.h
test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index d6af854daaa..2f0e0a0976f 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -945,6 +945,7 @@ OBJS-$(CONFIG_VP8_VAAPI_HWACCEL) += vaapi_vp8.o
OBJS-$(CONFIG_VP9_D3D11VA_HWACCEL) += dxva2_vp9.o
OBJS-$(CONFIG_VP9_DXVA2_HWACCEL) += dxva2_vp9.o
OBJS-$(CONFIG_VP9_NVDEC_HWACCEL) += nvdec_vp9.o
+OBJS-$(CONFIG_VP9_V4L2REQUEST_HWACCEL) += v4l2_request_vp9.o
OBJS-$(CONFIG_VP9_VAAPI_HWACCEL) += vaapi_vp9.o
OBJS-$(CONFIG_VP9_VDPAU_HWACCEL) += vdpau_vp9.o
OBJS-$(CONFIG_VP8_QSV_HWACCEL) += qsvdec_other.o
diff --git a/libavcodec/hwaccels.h b/libavcodec/hwaccels.h
index bd75e94f4ca..03a1aefe09b 100644
--- a/libavcodec/hwaccels.h
+++ b/libavcodec/hwaccels.h
@@ -71,6 +71,7 @@ extern const AVHWAccel ff_vp9_d3d11va_hwaccel;
extern const AVHWAccel ff_vp9_d3d11va2_hwaccel;
extern const AVHWAccel ff_vp9_dxva2_hwaccel;
extern const AVHWAccel ff_vp9_nvdec_hwaccel;
+extern const AVHWAccel ff_vp9_v4l2request_hwaccel;
extern const AVHWAccel ff_vp9_vaapi_hwaccel;
extern const AVHWAccel ff_vp9_vdpau_hwaccel;
extern const AVHWAccel ff_wmv3_d3d11va_hwaccel;
diff --git a/libavcodec/v4l2_request_vp9.c b/libavcodec/v4l2_request_vp9.c
new file mode 100644
index 00000000000..4074c7fe4b8
--- /dev/null
+++ b/libavcodec/v4l2_request_vp9.c
@@ -0,0 +1,352 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "hwconfig.h"
+#include "v4l2_request.h"
+#include "vp9dec.h"
+
+typedef struct V4L2RequestControlsVP9 {
+ struct v4l2_ctrl_vp9_frame_decode_params decode_params;
+} V4L2RequestControlsVP9;
+
+static const uint8_t ff_to_v4l2_intramode[] = {
+ [VERT_PRED] = V4L2_VP9_INTRA_PRED_MODE_V,
+ [HOR_PRED] = V4L2_VP9_INTRA_PRED_MODE_H,
+ [DC_PRED] = V4L2_VP9_INTRA_PRED_MODE_DC,
+ [DIAG_DOWN_LEFT_PRED] = V4L2_VP9_INTRA_PRED_MODE_D45,
+ [DIAG_DOWN_RIGHT_PRED] = V4L2_VP9_INTRA_PRED_MODE_D135,
+ [VERT_RIGHT_PRED] = V4L2_VP9_INTRA_PRED_MODE_D117,
+ [HOR_DOWN_PRED] = V4L2_VP9_INTRA_PRED_MODE_D153,
+ [VERT_LEFT_PRED] = V4L2_VP9_INTRA_PRED_MODE_D63,
+ [HOR_UP_PRED] = V4L2_VP9_INTRA_PRED_MODE_D207,
+ [TM_VP8_PRED] = V4L2_VP9_INTRA_PRED_MODE_TM,
+};
+
+static int v4l2_request_vp9_set_frame_ctx(AVCodecContext *avctx, unsigned int id)
+{
+ VP9Context *s = avctx->priv_data;
+ struct v4l2_ctrl_vp9_frame_ctx fctx = {};
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(id),
+ .ptr = &fctx,
+ .size = sizeof(fctx),
+ },
+ };
+
+ memcpy(fctx.probs.tx8, s->prob_ctx[id].p.tx8p, sizeof(s->prob_ctx[id].p.tx8p));
+ memcpy(fctx.probs.tx16, s->prob_ctx[id].p.tx16p, sizeof(s->prob_ctx[id].p.tx16p));
+ memcpy(fctx.probs.tx32, s->prob_ctx[id].p.tx32p, sizeof(s->prob_ctx[id].p.tx32p));
+ memcpy(fctx.probs.coef, s->prob_ctx[id].coef, sizeof(s->prob_ctx[id].coef));
+ memcpy(fctx.probs.skip, s->prob_ctx[id].p.skip, sizeof(s->prob_ctx[id].p.skip));
+ memcpy(fctx.probs.inter_mode, s->prob_ctx[id].p.mv_mode, sizeof(s->prob_ctx[id].p.mv_mode));
+ memcpy(fctx.probs.interp_filter, s->prob_ctx[id].p.filter, sizeof(s->prob_ctx[id].p.filter));
+ memcpy(fctx.probs.is_inter, s->prob_ctx[id].p.intra, sizeof(s->prob_ctx[id].p.intra));
+ memcpy(fctx.probs.comp_mode, s->prob_ctx[id].p.comp, sizeof(s->prob_ctx[id].p.comp));
+ memcpy(fctx.probs.single_ref, s->prob_ctx[id].p.single_ref, sizeof(s->prob_ctx[id].p.single_ref));
+ memcpy(fctx.probs.comp_ref, s->prob_ctx[id].p.comp_ref, sizeof(s->prob_ctx[id].p.comp_ref));
+ memcpy(fctx.probs.y_mode, s->prob_ctx[id].p.y_mode, sizeof(s->prob_ctx[id].p.y_mode));
+ for (unsigned i = 0; i < 10; i++)
+ memcpy(fctx.probs.uv_mode[ff_to_v4l2_intramode[i]], s->prob_ctx[id].p.uv_mode[i], sizeof(s->prob_ctx[id].p.uv_mode[0]));
+ for (unsigned i = 0; i < 4; i++)
+ memcpy(fctx.probs.partition[i * 4], s->prob_ctx[id].p.partition[3 - i], sizeof(s->prob_ctx[id].p.partition[0]));
+ memcpy(fctx.probs.mv.joint, s->prob_ctx[id].p.mv_joint, sizeof(s->prob_ctx[id].p.mv_joint));
+ for (unsigned i = 0; i < 2; i++) {
+ fctx.probs.mv.sign[i] = s->prob_ctx[id].p.mv_comp[i].sign;
+ memcpy(fctx.probs.mv.class[i], s->prob_ctx[id].p.mv_comp[i].classes, sizeof(s->prob_ctx[id].p.mv_comp[0].classes));
+ fctx.probs.mv.class0_bit[i] = s->prob_ctx[id].p.mv_comp[i].class0;
+ memcpy(fctx.probs.mv.bits[i], s->prob_ctx[id].p.mv_comp[i].bits, sizeof(s->prob_ctx[id].p.mv_comp[0].bits));
+ memcpy(fctx.probs.mv.class0_fr[i], s->prob_ctx[id].p.mv_comp[i].class0_fp, sizeof(s->prob_ctx[id].p.mv_comp[0].class0_fp));
+ memcpy(fctx.probs.mv.fr[i], s->prob_ctx[id].p.mv_comp[i].fp, sizeof(s->prob_ctx[id].p.mv_comp[0].fp));
+ fctx.probs.mv.class0_hp[i] = s->prob_ctx[id].p.mv_comp[i].class0_hp;
+ fctx.probs.mv.hp[i] = s->prob_ctx[id].p.mv_comp[i].hp;
+ }
+
+ return ff_v4l2_request_set_controls(avctx, control, FF_ARRAY_ELEMS(control));
+}
+
+static int v4l2_request_vp9_get_frame_ctx(AVCodecContext *avctx, unsigned int id)
+{
+ VP9Context *s = avctx->priv_data;
+ struct v4l2_ctrl_vp9_frame_ctx fctx = {};
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(id),
+ .ptr = &fctx,
+ .size = sizeof(fctx),
+ },
+ };
+
+ int ret = ff_v4l2_request_get_controls(avctx, control, FF_ARRAY_ELEMS(control));
+ if (ret)
+ return ret;
+
+ memcpy(s->prob_ctx[id].p.tx8p, fctx.probs.tx8, sizeof(s->prob_ctx[id].p.tx8p));
+ memcpy(s->prob_ctx[id].p.tx16p, fctx.probs.tx16, sizeof(s->prob_ctx[id].p.tx16p));
+ memcpy(s->prob_ctx[id].p.tx32p, fctx.probs.tx32, sizeof(s->prob_ctx[id].p.tx32p));
+ memcpy(s->prob_ctx[id].coef, fctx.probs.coef, sizeof(s->prob_ctx[id].coef));
+ memcpy(s->prob_ctx[id].p.skip, fctx.probs.skip, sizeof(s->prob_ctx[id].p.skip));
+ memcpy(s->prob_ctx[id].p.mv_mode, fctx.probs.inter_mode, sizeof(s->prob_ctx[id].p.mv_mode));
+ memcpy(s->prob_ctx[id].p.filter, fctx.probs.interp_filter, sizeof(s->prob_ctx[id].p.filter));
+ memcpy(s->prob_ctx[id].p.intra, fctx.probs.is_inter, sizeof(s->prob_ctx[id].p.intra));
+ memcpy(s->prob_ctx[id].p.comp, fctx.probs.comp_mode, sizeof(s->prob_ctx[id].p.comp));
+ memcpy(s->prob_ctx[id].p.single_ref, fctx.probs.single_ref, sizeof(s->prob_ctx[id].p.single_ref));
+ memcpy(s->prob_ctx[id].p.comp_ref, fctx.probs.comp_ref, sizeof(s->prob_ctx[id].p.comp_ref));
+ memcpy(s->prob_ctx[id].p.y_mode, fctx.probs.y_mode, sizeof(s->prob_ctx[id].p.y_mode));
+ for (unsigned i = 0; i < 10; i++)
+ memcpy(s->prob_ctx[id].p.uv_mode[i], fctx.probs.uv_mode[ff_to_v4l2_intramode[i]], sizeof(s->prob_ctx[id].p.uv_mode[0]));
+ for (unsigned i = 0; i < 4; i++)
+ memcpy(s->prob_ctx[id].p.partition[3 - i], fctx.probs.partition[i * 4], sizeof(s->prob_ctx[id].p.partition[0]));
+ memcpy(s->prob_ctx[id].p.mv_joint, fctx.probs.mv.joint, sizeof(s->prob_ctx[id].p.mv_joint));
+ for (unsigned i = 0; i < 2; i++) {
+ s->prob_ctx[id].p.mv_comp[i].sign = fctx.probs.mv.sign[i];
+ memcpy(s->prob_ctx[id].p.mv_comp[i].classes, fctx.probs.mv.class[i], sizeof(s->prob_ctx[id].p.mv_comp[0].classes));
+ s->prob_ctx[id].p.mv_comp[i].class0 = fctx.probs.mv.class0_bit[i];
+ memcpy(s->prob_ctx[id].p.mv_comp[i].bits, fctx.probs.mv.bits[i], sizeof(s->prob_ctx[id].p.mv_comp[0].bits));
+ memcpy(s->prob_ctx[id].p.mv_comp[i].class0_fp, fctx.probs.mv.class0_fr[i], sizeof(s->prob_ctx[id].p.mv_comp[0].class0_fp));
+ memcpy(s->prob_ctx[id].p.mv_comp[i].fp, fctx.probs.mv.fr[i], sizeof(s->prob_ctx[id].p.mv_comp[0].fp));
+ s->prob_ctx[id].p.mv_comp[i].class0_hp = fctx.probs.mv.class0_hp[i];
+ s->prob_ctx[id].p.mv_comp[i].hp = fctx.probs.mv.hp[i];
+ }
+
+ return 0;
+}
+
+static int v4l2_request_vp9_start_frame(AVCodecContext *avctx,
+ av_unused const uint8_t *buffer,
+ av_unused uint32_t size)
+{
+ const VP9Context *s = avctx->priv_data;
+ const VP9Frame *f = &s->s.frames[CUR_FRAME];
+ V4L2RequestControlsVP9 *controls = f->hwaccel_picture_private;
+ struct v4l2_ctrl_vp9_frame_decode_params *dec_params = &controls->decode_params;
+ int ret;
+
+ if (s->s.h.keyframe || s->s.h.errorres || (s->s.h.intraonly && s->s.h.resetctx == 3)) {
+ for (unsigned i = 0; i < 4; i++) {
+ ret = v4l2_request_vp9_set_frame_ctx(avctx, i);
+ if (ret)
+ return ret;
+ }
+ } else if (s->s.h.intraonly && s->s.h.resetctx == 2) {
+ ret = v4l2_request_vp9_set_frame_ctx(avctx, s->s.h.framectxid);
+ if (ret)
+ return ret;
+ }
+
+ if (s->s.h.keyframe)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_KEY_FRAME;
+ if (!s->s.h.invisible)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_SHOW_FRAME;
+ if (s->s.h.errorres)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT;
+ if (s->s.h.intraonly)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_INTRA_ONLY;
+ if (!s->s.h.keyframe && s->s.h.highprecisionmvs)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV;
+ if (s->s.h.refreshctx)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX;
+ if (s->s.h.parallelmode)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE;
+ if (s->ss_h)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING;
+ if (s->ss_v)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING;
+ if (avctx->color_range == AVCOL_RANGE_JPEG)
+ dec_params->flags |= V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING;
+
+ dec_params->compressed_header_size = s->s.h.compressed_header_size;
+ dec_params->uncompressed_header_size = s->s.h.uncompressed_header_size;
+ dec_params->profile = s->s.h.profile;
+ dec_params->reset_frame_context = s->s.h.resetctx > 0 ? s->s.h.resetctx - 1 : 0;
+ dec_params->frame_context_idx = s->s.h.framectxid;
+ dec_params->bit_depth = s->s.h.bpp;
+
+ dec_params->interpolation_filter = s->s.h.filtermode ^ (s->s.h.filtermode <= 1);
+ dec_params->tile_cols_log2 = s->s.h.tiling.log2_tile_cols;
+ dec_params->tile_rows_log2 = s->s.h.tiling.log2_tile_rows;
+ dec_params->tx_mode = s->s.h.txfmmode;
+ dec_params->reference_mode = s->s.h.comppredmode;
+ dec_params->frame_width_minus_1 = s->w - 1;
+ dec_params->frame_height_minus_1 = s->h - 1;
+ //dec_params->render_width_minus_1 = avctx->width - 1;
+ //dec_params->render_height_minus_1 = avctx->height - 1;
+
+ for (unsigned i = 0; i < 3; i++) {
+ const ThreadFrame *ref = &s->s.refs[s->s.h.refidx[i]];
+ if (ref->f && ref->f->buf[0])
+ dec_params->refs[i] = ff_v4l2_request_get_capture_timestamp(ref->f);
+ }
+
+ if (s->s.h.lf_delta.enabled)
+ dec_params->lf.flags |= V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED;
+ if (s->s.h.lf_delta.updated)
+ dec_params->lf.flags |= V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE;
+
+ dec_params->lf.level = s->s.h.filter.level;
+ dec_params->lf.sharpness = s->s.h.filter.sharpness;
+ for (unsigned i = 0; i < 4; i++)
+ dec_params->lf.ref_deltas[i] = s->s.h.lf_delta.ref[i];
+ for (unsigned i = 0; i < 2; i++)
+ dec_params->lf.mode_deltas[i] = s->s.h.lf_delta.mode[i];
+ for (unsigned i = 0; i < 8; i++) {
+ for (unsigned j = 0; j < 4; j++)
+ memcpy(dec_params->lf.level_lookup[i][j], s->s.h.segmentation.feat[i].lflvl[j], sizeof(dec_params->lf.level_lookup[0][0]));
+ }
+
+ dec_params->quant.base_q_idx = s->s.h.yac_qi;
+ dec_params->quant.delta_q_y_dc = s->s.h.ydc_qdelta;
+ dec_params->quant.delta_q_uv_dc = s->s.h.uvdc_qdelta;
+ dec_params->quant.delta_q_uv_ac = s->s.h.uvac_qdelta;
+
+ if (s->s.h.segmentation.enabled)
+ dec_params->seg.flags |= V4L2_VP9_SEGMENTATION_FLAG_ENABLED;
+ if (s->s.h.segmentation.update_map)
+ dec_params->seg.flags |= V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP;
+ if (s->s.h.segmentation.temporal)
+ dec_params->seg.flags |= V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE;
+ if (s->s.h.segmentation.update_data)
+ dec_params->seg.flags |= V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA;
+ if (s->s.h.segmentation.absolute_vals)
+ dec_params->seg.flags |= V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE;
+
+ for (unsigned i = 0; i < 7; i++)
+ dec_params->seg.tree_probs[i] = s->s.h.segmentation.prob[i];
+
+ if (s->s.h.segmentation.temporal) {
+ for (unsigned i = 0; i < 3; i++)
+ dec_params->seg.pred_probs[i] = s->s.h.segmentation.pred_prob[i];
+ } else {
+ memset(dec_params->seg.pred_probs, 255, sizeof(dec_params->seg.pred_probs));
+ }
+
+ for (unsigned i = 0; i < 8; i++) {
+ if (s->s.h.segmentation.feat[i].q_enabled) {
+ dec_params->seg.feature_enabled[i] |= 1 << V4L2_VP9_SEGMENT_FEATURE_QP_DELTA;
+ dec_params->seg.feature_data[i][V4L2_VP9_SEGMENT_FEATURE_QP_DELTA] = s->s.h.segmentation.feat[i].q_val;
+ }
+
+ if (s->s.h.segmentation.feat[i].lf_enabled) {
+ dec_params->seg.feature_enabled[i] |= 1 << V4L2_VP9_SEGMENT_FEATURE_LF;
+ dec_params->seg.feature_data[i][V4L2_VP9_SEGMENT_FEATURE_LF] = s->s.h.segmentation.feat[i].lf_val;
+ }
+
+ if (s->s.h.segmentation.feat[i].ref_enabled) {
+ dec_params->seg.feature_enabled[i] |= 1 << V4L2_VP9_SEGMENT_FEATURE_REF_FRAME;
+ dec_params->seg.feature_data[i][V4L2_VP9_SEGMENT_FEATURE_REF_FRAME] = s->s.h.segmentation.feat[i].ref_val;
+ }
+
+ if (s->s.h.segmentation.feat[i].skip_enabled)
+ dec_params->seg.feature_enabled[i] |= 1 << V4L2_VP9_SEGMENT_FEATURE_SKIP;
+ }
+
+ memcpy(dec_params->probs.tx8, s->prob.p.tx8p, sizeof(s->prob.p.tx8p));
+ memcpy(dec_params->probs.tx16, s->prob.p.tx16p, sizeof(s->prob.p.tx16p));
+ memcpy(dec_params->probs.tx32, s->prob.p.tx32p, sizeof(s->prob.p.tx32p));
+ for (unsigned i = 0; i < 4; i++) {
+ for (unsigned j = 0; j < 2; j++) {
+ for (unsigned k = 0; k < 2; k++) {
+ for (unsigned l = 0; l < 6; l++) {
+ for (unsigned m = 0; m < 6; m++) {
+ memcpy(dec_params->probs.coef[i][j][k][l][m], s->prob.coef[i][j][k][l][m], sizeof(dec_params->probs.coef[0][0][0][0][0]));
+ }
+ }
+ }
+ }
+ }
+ memcpy(dec_params->probs.skip, s->prob.p.skip, sizeof(s->prob.p.skip));
+ memcpy(dec_params->probs.inter_mode, s->prob.p.mv_mode, sizeof(s->prob.p.mv_mode));
+ memcpy(dec_params->probs.interp_filter, s->prob.p.filter, sizeof(s->prob.p.filter));
+ memcpy(dec_params->probs.is_inter, s->prob.p.intra, sizeof(s->prob.p.intra));
+ memcpy(dec_params->probs.comp_mode, s->prob.p.comp, sizeof(s->prob.p.comp));
+ memcpy(dec_params->probs.single_ref, s->prob.p.single_ref, sizeof(s->prob.p.single_ref));
+ memcpy(dec_params->probs.comp_ref, s->prob.p.comp_ref, sizeof(s->prob.p.comp_ref));
+ memcpy(dec_params->probs.y_mode, s->prob.p.y_mode, sizeof(s->prob.p.y_mode));
+ for (unsigned i = 0; i < 10; i++)
+ memcpy(dec_params->probs.uv_mode[ff_to_v4l2_intramode[i]], s->prob.p.uv_mode[i], sizeof(s->prob.p.uv_mode[0]));
+ for (unsigned i = 0; i < 4; i++)
+ memcpy(dec_params->probs.partition[i * 4], s->prob.p.partition[3 - i], sizeof(s->prob.p.partition[0]));
+ memcpy(dec_params->probs.mv.joint, s->prob.p.mv_joint, sizeof(s->prob.p.mv_joint));
+ for (unsigned i = 0; i < 2; i++) {
+ dec_params->probs.mv.sign[i] = s->prob.p.mv_comp[i].sign;
+ memcpy(dec_params->probs.mv.class[i], s->prob.p.mv_comp[i].classes, sizeof(s->prob.p.mv_comp[0].classes));
+ dec_params->probs.mv.class0_bit[i] = s->prob.p.mv_comp[i].class0;
+ memcpy(dec_params->probs.mv.bits[i], s->prob.p.mv_comp[i].bits, sizeof(s->prob.p.mv_comp[0].bits));
+ memcpy(dec_params->probs.mv.class0_fr[i], s->prob.p.mv_comp[i].class0_fp, sizeof(s->prob.p.mv_comp[0].class0_fp));
+ memcpy(dec_params->probs.mv.fr[i], s->prob.p.mv_comp[i].fp, sizeof(s->prob.p.mv_comp[0].fp));
+ dec_params->probs.mv.class0_hp[i] = s->prob.p.mv_comp[i].class0_hp;
+ dec_params->probs.mv.hp[i] = s->prob.p.mv_comp[i].hp;
+ }
+
+ return ff_v4l2_request_reset_frame(avctx, f->tf.f);
+}
+
+static int v4l2_request_vp9_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
+{
+ const VP9Context *s = avctx->priv_data;
+ const VP9Frame *f = &s->s.frames[CUR_FRAME];
+
+ return ff_v4l2_request_append_output_buffer(avctx, f->tf.f, buffer, size);
+}
+
+static int v4l2_request_vp9_end_frame(AVCodecContext *avctx)
+{
+ const VP9Context *s = avctx->priv_data;
+ const VP9Frame *f = &s->s.frames[CUR_FRAME];
+ V4L2RequestControlsVP9 *controls = f->hwaccel_picture_private;
+ int ret;
+
+ struct v4l2_ext_control control[] = {
+ {
+ .id = V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS,
+ .ptr = &controls->decode_params,
+ .size = sizeof(controls->decode_params),
+ },
+ };
+
+ ret = ff_v4l2_request_decode_frame(avctx, f->tf.f, control, FF_ARRAY_ELEMS(control));
+ if (ret)
+ return ret;
+
+ if (!s->s.h.refreshctx)
+ return 0;
+
+ return v4l2_request_vp9_get_frame_ctx(avctx, s->s.h.framectxid);
+}
+
+static int v4l2_request_vp9_init(AVCodecContext *avctx)
+{
+ // TODO: check V4L2_CID_MPEG_VIDEO_VP9_PROFILE
+ return ff_v4l2_request_init(avctx, V4L2_PIX_FMT_VP9_FRAME, 3 * 1024 * 1024, NULL, 0);
+}
+
+const AVHWAccel ff_vp9_v4l2request_hwaccel = {
+ .name = "vp9_v4l2request",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_VP9,
+ .pix_fmt = AV_PIX_FMT_DRM_PRIME,
+ .start_frame = v4l2_request_vp9_start_frame,
+ .decode_slice = v4l2_request_vp9_decode_slice,
+ .end_frame = v4l2_request_vp9_end_frame,
+ .frame_priv_data_size = sizeof(V4L2RequestControlsVP9),
+ .init = v4l2_request_vp9_init,
+ .uninit = ff_v4l2_request_uninit,
+ .priv_data_size = sizeof(V4L2RequestContext),
+ .frame_params = ff_v4l2_request_frame_params,
+ .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
+};
diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index fd0bab14a23..434f905c62c 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -191,6 +191,7 @@ static int update_size(AVCodecContext *avctx, int w, int h)
#define HWACCEL_MAX (CONFIG_VP9_DXVA2_HWACCEL + \
CONFIG_VP9_D3D11VA_HWACCEL * 2 + \
CONFIG_VP9_NVDEC_HWACCEL + \
+ CONFIG_VP9_V4L2REQUEST_HWACCEL + \
CONFIG_VP9_VAAPI_HWACCEL + \
CONFIG_VP9_VDPAU_HWACCEL)
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
@@ -223,6 +224,9 @@ static int update_size(AVCodecContext *avctx, int w, int h)
#endif
#if CONFIG_VP9_VAAPI_HWACCEL
*fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+#if CONFIG_VP9_V4L2REQUEST_HWACCEL
+ *fmtp++ = AV_PIX_FMT_DRM_PRIME;
#endif
break;
case AV_PIX_FMT_YUV420P12:
@@ -231,6 +235,9 @@ static int update_size(AVCodecContext *avctx, int w, int h)
#endif
#if CONFIG_VP9_VAAPI_HWACCEL
*fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+#if CONFIG_VP9_V4L2REQUEST_HWACCEL
+ *fmtp++ = AV_PIX_FMT_DRM_PRIME;
#endif
break;
}
@@ -700,7 +707,8 @@ static int decode_frame_header(AVCodecContext *avctx,
get_bits(&s->gb, 8) : 255;
}
- if (get_bits1(&s->gb)) {
+ s->s.h.segmentation.update_data = get_bits1(&s->gb);
+ if (s->s.h.segmentation.update_data) {
s->s.h.segmentation.absolute_vals = get_bits1(&s->gb);
for (i = 0; i < 8; i++) {
if ((s->s.h.segmentation.feat[i].q_enabled = get_bits1(&s->gb)))
@@ -1909,6 +1917,9 @@ AVCodec ff_vp9_decoder = {
#endif
#if CONFIG_VP9_VDPAU_HWACCEL
HWACCEL_VDPAU(vp9),
+#endif
+#if CONFIG_VP9_V4L2REQUEST_HWACCEL
+ HWACCEL_V4L2REQUEST(vp9),
#endif
NULL
},
diff --git a/libavcodec/vp9shared.h b/libavcodec/vp9shared.h
index 54726df742f..fee3568736f 100644
--- a/libavcodec/vp9shared.h
+++ b/libavcodec/vp9shared.h
@@ -131,6 +131,7 @@ typedef struct VP9BitstreamHeader {
uint8_t temporal;
uint8_t absolute_vals;
uint8_t update_map;
+ uint8_t update_data;
uint8_t prob[7];
uint8_t pred_prob[3];
struct {
From ef82ae9fffba44e88d59a3fa4b958a38d1b5cd9e Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@collabora.com>
Date: Thu, 12 Dec 2019 16:13:55 +0100
Subject: [PATCH 18/20] WIP: Add and use vp9 private linux header
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
---
configure | 2 +-
libavcodec/v4l2_request_vp9.c | 1 +
libavcodec/vp9-ctrls.h | 485 ++++++++++++++++++++++++++++++++++
3 files changed, 487 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/vp9-ctrls.h
diff --git a/configure b/configure
index 2b723df55ae..87c6836af27 100755
--- a/configure
+++ b/configure
@@ -3015,7 +3015,7 @@ vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
vp9_dxva2_hwaccel_select="vp9_decoder"
vp9_nvdec_hwaccel_deps="nvdec"
vp9_nvdec_hwaccel_select="vp9_decoder"
-vp9_v4l2request_hwaccel_deps="v4l2_request vp9_v4l2_request"
+vp9_v4l2request_hwaccel_deps="v4l2_request"
vp9_v4l2request_hwaccel_select="vp9_decoder"
vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
vp9_vaapi_hwaccel_select="vp9_decoder"
diff --git a/libavcodec/v4l2_request_vp9.c b/libavcodec/v4l2_request_vp9.c
index 4074c7fe4b8..2e10b7ad1ac 100644
--- a/libavcodec/v4l2_request_vp9.c
+++ b/libavcodec/v4l2_request_vp9.c
@@ -19,6 +19,7 @@
#include "hwconfig.h"
#include "v4l2_request.h"
#include "vp9dec.h"
+#include "vp9-ctrls.h"
typedef struct V4L2RequestControlsVP9 {
struct v4l2_ctrl_vp9_frame_decode_params decode_params;
diff --git a/libavcodec/vp9-ctrls.h b/libavcodec/vp9-ctrls.h
new file mode 100644
index 00000000000..0cdea8a18b7
--- /dev/null
+++ b/libavcodec/vp9-ctrls.h
@@ -0,0 +1,485 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * These are the VP9 state controls for use with stateless VP9
+ * codec drivers.
+ *
+ * It turns out that these structs are not stable yet and will undergo
+ * more changes. So keep them private until they are stable and ready to
+ * become part of the official public API.
+ */
+
+#ifndef _VP9_CTRLS_H_
+#define _VP9_CTRLS_H_
+
+#include <linux/types.h>
+
+#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F')
+
+#define V4L2_CID_MPEG_VIDEO_VP9_FRAME_CONTEXT(i) (V4L2_CID_MPEG_BASE + 4000 + (i))
+#define V4L2_CID_MPEG_VIDEO_VP9_FRAME_DECODE_PARAMS (V4L2_CID_MPEG_BASE + 4004)
+#define V4L2_CTRL_TYPE_VP9_FRAME_CONTEXT 0x400
+#define V4L2_CTRL_TYPE_VP9_FRAME_DECODE_PARAMS 0x404
+
+/**
+ * enum v4l2_vp9_loop_filter_flags - VP9 loop filter flags
+ *
+ * @V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED: the filter level depends on
+ * the mode and reference frame used
+ * to predict a block
+ * @V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE: the bitstream contains additional
+ * syntax elements that specify which
+ * mode and reference frame deltas
+ * are to be updated
+ *
+ * Those are the flags you should pass to &v4l2_vp9_loop_filter.flags. See
+ * section '7.2.8 Loop filter semantics' of the VP9 specification for more
+ * details.
+ */
+enum v4l2_vp9_loop_filter_flags {
+ V4L2_VP9_LOOP_FILTER_FLAG_DELTA_ENABLED = 1 << 0,
+ V4L2_VP9_LOOP_FILTER_FLAG_DELTA_UPDATE = 1 << 1,
+};
+
+/**
+ * struct v4l2_vp9_loop_filter - VP9 loop filter parameters
+ *
+ * @flags: combination of V4L2_VP9_LOOP_FILTER_FLAG_* flags
+ * @level: indicates the loop filter strength
+ * @sharpness: indicates the sharpness level
+ * @ref_deltas: contains the adjustment needed for the filter level based on
+ * the chosen reference frame
+ * @mode_deltas: contains the adjustment needed for the filter level based on
+ * the chosen mode
+ * @level_lookup: level lookup table
+ *
+ * This structure contains all loop filter related parameters. See sections
+ * '7.2.8 Loop filter semantics' and '8.8.1 Loop filter frame init process'
+ * of the VP9 specification for more details.
+ */
+struct v4l2_vp9_loop_filter {
+ __u8 flags;
+ __u8 level;
+ __u8 sharpness;
+ __s8 ref_deltas[4];
+ __s8 mode_deltas[2];
+ __u8 level_lookup[8][4][2];
+};
+
+/**
+ * struct v4l2_vp9_quantization - VP9 quantization parameters
+ *
+ * @base_q_idx: indicates the base frame qindex
+ * @delta_q_y_dc: indicates the Y DC quantizer relative to base_q_idx
+ * @delta_q_uv_dc: indicates the UV DC quantizer relative to base_q_idx
+ * @delta_q_uv_ac indicates the UV AC quantizer relative to base_q_idx
+ * @padding: padding bytes to align things on 64 bits. Must be set to 0
+ *
+ * Encodes the quantization parameters. See section '7.2.9 Quantization params
+ * syntax' of the VP9 specification for more details.
+ */
+struct v4l2_vp9_quantization {
+ __u8 base_q_idx;
+ __s8 delta_q_y_dc;
+ __s8 delta_q_uv_dc;
+ __s8 delta_q_uv_ac;
+ __u8 padding[4];
+};
+
+/**
+ * enum v4l2_vp9_segmentation_flags - VP9 segmentation flags
+ *
+ * @V4L2_VP9_SEGMENTATION_FLAG_ENABLED: indicates that this frame makes use of
+ * the segmentation tool
+ * @V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP: indicates that the segmentation map
+ * should be updated during the
+ * decoding of this frame
+ * @V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE: indicates that the updates to
+ * the segmentation map are coded
+ * relative to the existing
+ * segmentation map
+ * @V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA: indicates that new parameters are
+ * about to be specified for each
+ * segment
+ * @V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE: indicates that the
+ * segmentation parameters
+ * represent the actual values
+ * to be used
+ *
+ * Those are the flags you should pass to &v4l2_vp9_segmentation.flags. See
+ * section '7.2.10 Segmentation params syntax' of the VP9 specification for
+ * more details.
+ */
+enum v4l2_vp9_segmentation_flags {
+ V4L2_VP9_SEGMENTATION_FLAG_ENABLED = 1 << 0,
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_MAP = 1 << 1,
+ V4L2_VP9_SEGMENTATION_FLAG_TEMPORAL_UPDATE = 1 << 2,
+ V4L2_VP9_SEGMENTATION_FLAG_UPDATE_DATA = 1 << 3,
+ V4L2_VP9_SEGMENTATION_FLAG_ABS_OR_DELTA_UPDATE = 1 << 4,
+};
+
+#define V4L2_VP9_SEGMENT_FEATURE_ENABLED(id) (1 << (id))
+#define V4L2_VP9_SEGMENT_FEATURE_ENABLED_MASK 0xf
+
+/**
+ * enum v4l2_vp9_segment_feature - VP9 segment feature IDs
+ *
+ * @V4L2_VP9_SEGMENT_FEATURE_QP_DELTA: QP delta segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_LF: loop filter segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_REF_FRAME: reference frame segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_SKIP: skip segment feature
+ * @V4L2_VP9_SEGMENT_FEATURE_CNT: number of segment features
+ *
+ * Segment feature IDs. See section '7.2.10 Segmentation params syntax' of the
+ * VP9 specification for more details.
+ */
+enum v4l2_vp9_segment_feature {
+ V4L2_VP9_SEGMENT_FEATURE_QP_DELTA,
+ V4L2_VP9_SEGMENT_FEATURE_LF,
+ V4L2_VP9_SEGMENT_FEATURE_REF_FRAME,
+ V4L2_VP9_SEGMENT_FEATURE_SKIP,
+ V4L2_VP9_SEGMENT_FEATURE_CNT,
+};
+
+/**
+ * struct v4l2_vp9_segmentation - VP9 segmentation parameters
+ *
+ * @flags: combination of V4L2_VP9_SEGMENTATION_FLAG_* flags
+ * @tree_probs: specifies the probability values to be used when
+ * decoding a Segment-ID. See '5.15. Segmentation map'
+ * section of the VP9 specification for more details.
+ * @pred_prob: specifies the probability values to be used when decoding a
+ * Predicted-Segment-ID. See '6.4.14. Get segment id syntax'
+ * section of :ref:`vp9` for more details..
+ * @padding: padding used to make things aligned on 64 bits. Shall be zero
+ * filled
+ * @feature_enabled: bitmask defining which features are enabled in each
+ * segment
+ * @feature_data: data attached to each feature. Data entry is only valid if
+ * the feature is enabled
+ *
+ * Encodes the quantization parameters. See section '7.2.10 Segmentation
+ * params syntax' of the VP9 specification for more details.
+ */
+struct v4l2_vp9_segmentation {
+ __u8 flags;
+ __u8 tree_probs[7];
+ __u8 pred_probs[3];
+ __u8 padding[5];
+ __u8 feature_enabled[8];
+ __s16 feature_data[8][4];
+};
+
+/**
+ * enum v4l2_vp9_intra_prediction_mode - VP9 Intra prediction modes
+ *
+ * @V4L2_VP9_INTRA_PRED_DC: DC intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_V: vertical intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_H: horizontal intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D45: D45 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D135: D135 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D117: D117 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D153: D153 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D207: D207 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_D63: D63 intra prediction
+ * @V4L2_VP9_INTRA_PRED_MODE_TM: True Motion intra prediction
+ *
+ * See section '7.4.5 Intra frame mode info semantics' for more details.
+ */
+enum v4l2_vp9_intra_prediction_mode {
+ V4L2_VP9_INTRA_PRED_MODE_DC,
+ V4L2_VP9_INTRA_PRED_MODE_V,
+ V4L2_VP9_INTRA_PRED_MODE_H,
+ V4L2_VP9_INTRA_PRED_MODE_D45,
+ V4L2_VP9_INTRA_PRED_MODE_D135,
+ V4L2_VP9_INTRA_PRED_MODE_D117,
+ V4L2_VP9_INTRA_PRED_MODE_D153,
+ V4L2_VP9_INTRA_PRED_MODE_D207,
+ V4L2_VP9_INTRA_PRED_MODE_D63,
+ V4L2_VP9_INTRA_PRED_MODE_TM,
+};
+
+/**
+ * struct v4l2_vp9_mv_probabilities - VP9 Motion vector probabilities
+ * @joint: motion vector joint probabilities
+ * @sign: motion vector sign probabilities
+ * @class: motion vector class probabilities
+ * @class0_bit: motion vector class0 bit probabilities
+ * @bits: motion vector bits probabilities
+ * @class0_fr: motion vector class0 fractional bit probabilities
+ * @fr: motion vector fractional bit probabilities
+ * @class0_hp: motion vector class0 high precision fractional bit probabilities
+ * @hp: motion vector high precision fractional bit probabilities
+ */
+struct v4l2_vp9_mv_probabilities {
+ __u8 joint[3];
+ __u8 sign[2];
+ __u8 class[2][10];
+ __u8 class0_bit[2];
+ __u8 bits[2][10];
+ __u8 class0_fr[2][2][3];
+ __u8 fr[2][3];
+ __u8 class0_hp[2];
+ __u8 hp[2];
+};
+
+/**
+ * struct v4l2_vp9_probabilities - VP9 Probabilities
+ *
+ * @tx8: TX 8x8 probabilities
+ * @tx16: TX 16x16 probabilities
+ * @tx32: TX 32x32 probabilities
+ * @coef: coefficient probabilities
+ * @skip: skip probabilities
+ * @inter_mode: inter mode probabilities
+ * @interp_filter: interpolation filter probabilities
+ * @is_inter: is inter-block probabilities
+ * @comp_mode: compound prediction mode probabilities
+ * @single_ref: single ref probabilities
+ * @comp_ref: compound ref probabilities
+ * @y_mode: Y prediction mode probabilities
+ * @uv_mode: UV prediction mode probabilities
+ * @partition: partition probabilities
+ * @mv: motion vector probabilities
+ *
+ * Structure containing most VP9 probabilities. See the VP9 specification
+ * for more details.
+ */
+struct v4l2_vp9_probabilities {
+ __u8 tx8[2][1];
+ __u8 tx16[2][2];
+ __u8 tx32[2][3];
+ __u8 coef[4][2][2][6][6][3];
+ __u8 skip[3];
+ __u8 inter_mode[7][3];
+ __u8 interp_filter[4][2];
+ __u8 is_inter[4];
+ __u8 comp_mode[5];
+ __u8 single_ref[5][2];
+ __u8 comp_ref[5];
+ __u8 y_mode[4][9];
+ __u8 uv_mode[10][9];
+ __u8 partition[16][3];
+
+ struct v4l2_vp9_mv_probabilities mv;
+};
+
+/**
+ * enum v4l2_vp9_reset_frame_context - Valid values for
+ * &v4l2_ctrl_vp9_frame_decode_params->reset_frame_context
+ *
+ * @V4L2_VP9_RESET_FRAME_CTX_NONE: don't reset any frame context
+ * @V4L2_VP9_RESET_FRAME_CTX_SPEC: reset the frame context pointed by
+ * &v4l2_ctrl_vp9_frame_decode_params.frame_context_idx
+ * @V4L2_VP9_RESET_FRAME_CTX_ALL: reset all frame contexts
+ *
+ * See section '7.2 Uncompressed header semantics' of the VP9 specification
+ * for more details.
+ */
+enum v4l2_vp9_reset_frame_context {
+ V4L2_VP9_RESET_FRAME_CTX_NONE,
+ V4L2_VP9_RESET_FRAME_CTX_SPEC,
+ V4L2_VP9_RESET_FRAME_CTX_ALL,
+};
+
+/**
+ * enum v4l2_vp9_interpolation_filter - VP9 interpolation filter types
+ *
+ * @V4L2_VP9_INTERP_FILTER_8TAP: height tap filter
+ * @V4L2_VP9_INTERP_FILTER_8TAP_SMOOTH: height tap smooth filter
+ * @V4L2_VP9_INTERP_FILTER_8TAP_SHARP: height tap sharp filter
+ * @V4L2_VP9_INTERP_FILTER_BILINEAR: bilinear filter
+ * @V4L2_VP9_INTERP_FILTER_SWITCHABLE: filter selection is signaled at the
+ * block level
+ *
+ * See section '7.2.7 Interpolation filter semantics' of the VP9 specification
+ * for more details.
+ */
+enum v4l2_vp9_interpolation_filter {
+ V4L2_VP9_INTERP_FILTER_8TAP,
+ V4L2_VP9_INTERP_FILTER_8TAP_SMOOTH,
+ V4L2_VP9_INTERP_FILTER_8TAP_SHARP,
+ V4L2_VP9_INTERP_FILTER_BILINEAR,
+ V4L2_VP9_INTERP_FILTER_SWITCHABLE,
+};
+
+/**
+ * enum v4l2_vp9_reference_mode - VP9 reference modes
+ *
+ * @V4L2_VP9_REF_MODE_SINGLE: indicates that all the inter blocks use only a
+ * single reference frame to generate motion
+ * compensated prediction
+ * @V4L2_VP9_REF_MODE_COMPOUND: requires all the inter blocks to use compound
+ * mode. Single reference frame prediction is not
+ * allowed
+ * @V4L2_VP9_REF_MODE_SELECT: allows each individual inter block to select
+ * between single and compound prediction modes
+ *
+ * See section '7.3.6 Frame reference mode semantics' of the VP9 specification
+ * for more details.
+ */
+enum v4l2_vp9_reference_mode {
+ V4L2_VP9_REF_MODE_SINGLE,
+ V4L2_VP9_REF_MODE_COMPOUND,
+ V4L2_VP9_REF_MODE_SELECT,
+};
+
+/**
+ * enum v4l2_vp9_tx_mode - VP9 TX modes
+ *
+ * @V4L2_VP9_TX_MODE_ONLY_4X4: transform size is 4x4
+ * @V4L2_VP9_TX_MODE_ALLOW_8X8: transform size can be up to 8x8
+ * @V4L2_VP9_TX_MODE_ALLOW_16X16: transform size can be up to 16x16
+ * @V4L2_VP9_TX_MODE_ALLOW_32X32: transform size can be up to 32x32
+ * @V4L2_VP9_TX_MODE_SELECT: bitstream contains transform size for each block
+ *
+ * See section '7.3.1 Tx mode semantics' of the VP9 specification for more
+ * details.
+ */
+enum v4l2_vp9_tx_mode {
+ V4L2_VP9_TX_MODE_ONLY_4X4,
+ V4L2_VP9_TX_MODE_ALLOW_8X8,
+ V4L2_VP9_TX_MODE_ALLOW_16X16,
+ V4L2_VP9_TX_MODE_ALLOW_32X32,
+ V4L2_VP9_TX_MODE_SELECT,
+};
+
+/**
+ * enum v4l2_vp9_ref_id - VP9 Reference frame IDs
+ *
+ * @V4L2_REF_ID_LAST: last reference frame
+ * @V4L2_REF_ID_GOLDEN: golden reference frame
+ * @V4L2_REF_ID_ALTREF: alternative reference frame
+ * @V4L2_REF_ID_CNT: number of reference frames
+ *
+ * See section '7.4.12 Ref frames semantics' of the VP9 specification for more
+ * details.
+ */
+enum v4l2_vp9_ref_id {
+ V4L2_REF_ID_LAST,
+ V4L2_REF_ID_GOLDEN,
+ V4L2_REF_ID_ALTREF,
+ V4L2_REF_ID_CNT,
+};
+
+/**
+ * enum v4l2_vp9_frame_flags - VP9 frame flags
+ * @V4L2_VP9_FRAME_FLAG_KEY_FRAME: the frame is a key frame
+ * @V4L2_VP9_FRAME_FLAG_SHOW_FRAME: the frame should be displayed
+ * @V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT: the decoding should be error resilient
+ * @V4L2_VP9_FRAME_FLAG_INTRA_ONLY: the frame does not reference other frames
+ * @V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV: the frame might can high precision
+ * motion vectors
+ * @V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX: frame context should be updated
+ * after decoding
+ * @V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE: parallel decoding is used
+ * @V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING: vertical subsampling is enabled
+ * @V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING: horizontal subsampling is enabled
+ * @V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING: full UV range is used
+ *
+ * Check the VP9 specification for more details.
+ */
+enum v4l2_vp9_frame_flags {
+ V4L2_VP9_FRAME_FLAG_KEY_FRAME = 1 << 0,
+ V4L2_VP9_FRAME_FLAG_SHOW_FRAME = 1 << 1,
+ V4L2_VP9_FRAME_FLAG_ERROR_RESILIENT = 1 << 2,
+ V4L2_VP9_FRAME_FLAG_INTRA_ONLY = 1 << 3,
+ V4L2_VP9_FRAME_FLAG_ALLOW_HIGH_PREC_MV = 1 << 4,
+ V4L2_VP9_FRAME_FLAG_REFRESH_FRAME_CTX = 1 << 5,
+ V4L2_VP9_FRAME_FLAG_PARALLEL_DEC_MODE = 1 << 6,
+ V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING = 1 << 7,
+ V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING = 1 << 8,
+ V4L2_VP9_FRAME_FLAG_COLOR_RANGE_FULL_SWING = 1 << 9,
+};
+
+#define V4L2_VP9_PROFILE_MAX 3
+
+/**
+ * struct v4l2_ctrl_vp9_frame_decode_params - VP9 frame decoding control
+ *
+ * @flags: combination of V4L2_VP9_FRAME_FLAG_* flags
+ * @compressed_header_size: compressed header size in bytes
+ * @uncompressed_header_size: uncompressed header size in bytes
+ * @profile: VP9 profile. Can be 0, 1, 2 or 3
+ * @reset_frame_context: specifies whether the frame context should be reset
+ * to default values. See &v4l2_vp9_reset_frame_context
+ * for more details
+ * @frame_context_idx: frame context that should be used/updated
+ * @bit_depth: bits per components. Can be 8, 10 or 12. Note that not all
+ * profiles support 10 and/or 12 bits depths
+ * @interpolation_filter: specifies the filter selection used for performing
+ * inter prediction. See &v4l2_vp9_interpolation_filter
+ * for more details
+ * @tile_cols_log2: specifies the base 2 logarithm of the width of each tile
+ * (where the width is measured in units of 8x8 blocks).
+ * Shall be less than or equal to 6
+ * @tile_rows_log2: specifies the base 2 logarithm of the height of each tile
+ * (where the height is measured in units of 8x8 blocks)
+ * @tx_mode: specifies the TX mode. See &v4l2_vp9_tx_mode for more details
+ * @reference_mode: specifies the type of inter prediction to be used. See
+ * &v4l2_vp9_reference_mode for more details
+ * @padding: needed to make this struct 64 bit aligned. Shall be filled with
+ * zeros
+ * @frame_width_minus_1: add 1 to it and you'll get the frame width expressed
+ * in pixels
+ * @frame_height_minus_1: add 1 to it and you'll get the frame height expressed
+ * in pixels
+ * @frame_width_minus_1: add 1 to it and you'll get the expected render width
+ * expressed in pixels. This is not used during the
+ * decoding process but might be used by HW scalers to
+ * prepare a frame that's ready for scanout
+ * @frame_height_minus_1: add 1 to it and you'll get the expected render height
+ * expressed in pixels. This is not used during the
+ * decoding process but might be used by HW scalers to
+ * prepare a frame that's ready for scanout
+ * @refs: array of reference frames. See &v4l2_vp9_ref_id for more details
+ * @lf: loop filter parameters. See &v4l2_vp9_loop_filter for more details
+ * @quant: quantization parameters. See &v4l2_vp9_quantization for more details
+ * @seg: segmentation parameters. See &v4l2_vp9_segmentation for more details
+ * @probs: probabilities. See &v4l2_vp9_probabilities for more details
+ */
+struct v4l2_ctrl_vp9_frame_decode_params {
+ __u32 flags;
+ __u16 compressed_header_size;
+ __u16 uncompressed_header_size;
+ __u8 profile;
+ __u8 reset_frame_context;
+ __u8 frame_context_idx;
+ __u8 bit_depth;
+ __u8 interpolation_filter;
+ __u8 tile_cols_log2;
+ __u8 tile_rows_log2;
+ __u8 tx_mode;
+ __u8 reference_mode;
+ __u8 padding[6];
+ __u16 frame_width_minus_1;
+ __u16 frame_height_minus_1;
+ __u16 render_width_minus_1;
+ __u16 render_height_minus_1;
+ __u64 refs[V4L2_REF_ID_CNT];
+ struct v4l2_vp9_loop_filter lf;
+ struct v4l2_vp9_quantization quant;
+ struct v4l2_vp9_segmentation seg;
+ struct v4l2_vp9_probabilities probs;
+};
+
+#define V4L2_VP9_NUM_FRAME_CTX 4
+
+/**
+ * struct v4l2_ctrl_vp9_frame_ctx - VP9 frame context control
+ *
+ * @probs: VP9 probabilities
+ *
+ * This control is accessed in both direction. The user should initialize the
+ * 4 contexts with default values just after starting the stream. Then before
+ * decoding a frame it should query the current frame context (the one passed
+ * through &v4l2_ctrl_vp9_frame_decode_params.frame_context_idx) to initialize
+ * &v4l2_ctrl_vp9_frame_decode_params.probs. The probs are then adjusted based
+ * on the bitstream info and passed to the kernel. The codec should update
+ * the frame context after the frame has been decoded, so that next time
+ * userspace query this context it contains the updated probabilities.
+ */
+struct v4l2_ctrl_vp9_frame_ctx {
+ struct v4l2_vp9_probabilities probs;
+};
+
+#endif /* _VP9_CTRLS_H_ */
From 4b268a93e5945dc7863a8dc953a12fa157b4f8e6 Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Fri, 15 May 2020 16:54:05 +0000
Subject: [PATCH 19/20] WIP: add NV15 and NV20 support
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
libavcodec/h264_slice.c | 14 ++++++++++++--
libavcodec/v4l2_request.c | 23 +++++++++++++++++++++++
2 files changed, 35 insertions(+), 2 deletions(-)
diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index c3896cfd90a..39ae8fabfd3 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -785,10 +785,17 @@ static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
*fmt++ = AV_PIX_FMT_GBRP10;
} else
*fmt++ = AV_PIX_FMT_YUV444P10;
- } else if (CHROMA422(h))
+ } else if (CHROMA422(h)) {
+#if CONFIG_H264_V4L2REQUEST_HWACCEL
+ *fmt++ = AV_PIX_FMT_DRM_PRIME;
+#endif
*fmt++ = AV_PIX_FMT_YUV422P10;
- else
+ } else {
+#if CONFIG_H264_V4L2REQUEST_HWACCEL
+ *fmt++ = AV_PIX_FMT_DRM_PRIME;
+#endif
*fmt++ = AV_PIX_FMT_YUV420P10;
+ }
break;
case 12:
if (CHROMA444(h)) {
@@ -827,6 +834,9 @@ static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
else
*fmt++ = AV_PIX_FMT_YUV444P;
} else if (CHROMA422(h)) {
+#if CONFIG_H264_V4L2REQUEST_HWACCEL
+ *fmt++ = AV_PIX_FMT_DRM_PRIME;
+#endif
if (h->avctx->color_range == AVCOL_RANGE_JPEG)
*fmt++ = AV_PIX_FMT_YUVJ422P;
else
diff --git a/libavcodec/v4l2_request.c b/libavcodec/v4l2_request.c
index 5234b5049b0..0b294feff2e 100644
--- a/libavcodec/v4l2_request.c
+++ b/libavcodec/v4l2_request.c
@@ -188,6 +188,13 @@ const uint32_t v4l2_request_capture_pixelformats[] = {
#ifdef DRM_FORMAT_MOD_ALLWINNER_TILED
V4L2_PIX_FMT_SUNXI_TILED_NV12,
#endif
+#if defined(V4L2_PIX_FMT_NV15) && defined(DRM_FORMAT_NV15)
+ V4L2_PIX_FMT_NV15,
+#endif
+ V4L2_PIX_FMT_NV16,
+#if defined(V4L2_PIX_FMT_NV20) && defined(DRM_FORMAT_NV20)
+ V4L2_PIX_FMT_NV20,
+#endif
};
static int v4l2_request_set_drm_descriptor(V4L2RequestDescriptor *req, struct v4l2_format *format)
@@ -206,6 +213,22 @@ static int v4l2_request_set_drm_descriptor(V4L2RequestDescriptor *req, struct v4
layer->format = DRM_FORMAT_NV12;
desc->objects[0].format_modifier = DRM_FORMAT_MOD_ALLWINNER_TILED;
break;
+#endif
+#if defined(V4L2_PIX_FMT_NV15) && defined(DRM_FORMAT_NV15)
+ case V4L2_PIX_FMT_NV15:
+ layer->format = DRM_FORMAT_NV15;
+ desc->objects[0].format_modifier = DRM_FORMAT_MOD_LINEAR;
+ break;
+#endif
+ case V4L2_PIX_FMT_NV16:
+ layer->format = DRM_FORMAT_NV16;
+ desc->objects[0].format_modifier = DRM_FORMAT_MOD_LINEAR;
+ break;
+#if defined(V4L2_PIX_FMT_NV20) && defined(DRM_FORMAT_NV20)
+ case V4L2_PIX_FMT_NV20:
+ layer->format = DRM_FORMAT_NV20;
+ desc->objects[0].format_modifier = DRM_FORMAT_MOD_LINEAR;
+ break;
#endif
default:
return -1;
From fa7165e391287bf970569e36b0b19bff947b084f Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Mon, 27 Jul 2020 23:15:45 +0000
Subject: [PATCH 20/20] HACK: define drm NV15 and NV20 format
---
libavcodec/v4l2_request.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/libavcodec/v4l2_request.c b/libavcodec/v4l2_request.c
index 0b294feff2e..a8f0ee79eee 100644
--- a/libavcodec/v4l2_request.c
+++ b/libavcodec/v4l2_request.c
@@ -30,6 +30,14 @@
#include "internal.h"
#include "v4l2_request.h"
+#ifndef DRM_FORMAT_NV15
+#define DRM_FORMAT_NV15 fourcc_code('N', 'V', '1', '5')
+#endif
+
+#ifndef DRM_FORMAT_NV20
+#define DRM_FORMAT_NV20 fourcc_code('N', 'V', '2', '0')
+#endif
+
uint64_t ff_v4l2_request_get_capture_timestamp(AVFrame *frame)
{
V4L2RequestDescriptor *req = (V4L2RequestDescriptor*)frame->data[0];
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