65 lines
2 KiB
Ruby
65 lines
2 KiB
Ruby
class FdkAacEncoder < Formula
|
|
desc "Command-line encoder frontend for libfdk-aac"
|
|
homepage "https://github.com/nu774/fdkaac"
|
|
url "https://github.com/nu774/fdkaac/archive/1.0.0.tar.gz"
|
|
sha256 "1cb1a245d3b230d9c772e69aea091e6195073cbd8cc7d63e684af7d69b495365"
|
|
revision 1
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "b4cc314a77c5d76c744e88041ec055552fb6a991a28ac6014a77bf9762770d10" => :catalina
|
|
sha256 "62a592acbd1e83e55f2b3c98a6272abff8c55033f916170f540fec8b3b115ccc" => :mojave
|
|
sha256 "46e9211c5a31c852cef7183dc57bc1ca3f9136faf37db908fe8f1e4e1edaa6c6" => :high_sierra
|
|
sha256 "0fc99599503b40879fe422b95ccd25dc892e306da831cfaccf9f7fbdf1d73912" => :sierra
|
|
end
|
|
|
|
depends_on "autoconf" => :build
|
|
depends_on "automake" => :build
|
|
depends_on "libtool" => :build
|
|
depends_on "pkg-config" => :build
|
|
depends_on "fdk-aac"
|
|
|
|
def install
|
|
system "autoreconf", "-i"
|
|
system "./configure", "--disable-debug",
|
|
"--disable-dependency-tracking",
|
|
"--disable-silent-rules",
|
|
"--prefix=#{prefix}",
|
|
"--mandir=#{man}"
|
|
system "make", "install"
|
|
end
|
|
|
|
test do
|
|
# generate test tone pcm file
|
|
sample_rate = 44100
|
|
two_pi = 2 * Math::PI
|
|
|
|
num_samples = sample_rate
|
|
frequency = 440.0
|
|
max_amplitude = 0.2
|
|
|
|
position_in_period = 0.0
|
|
position_in_period_delta = frequency / sample_rate
|
|
|
|
samples = [].fill(0.0, 0, num_samples)
|
|
|
|
num_samples.times do |i|
|
|
samples[i] = Math.sin(position_in_period * two_pi) * max_amplitude
|
|
|
|
position_in_period += position_in_period_delta
|
|
|
|
position_in_period -= 1.0 if position_in_period >= 1.0
|
|
end
|
|
|
|
samples.map! do |sample|
|
|
(sample * 32767.0).round
|
|
end
|
|
|
|
File.open("#{testpath}/tone.pcm", "wb") do |f|
|
|
f.syswrite(samples.flatten.pack("s*"))
|
|
end
|
|
|
|
system "#{bin}/fdkaac", "-R", "--raw-channels", "1", "-m",
|
|
"1", "#{testpath}/tone.pcm", "--title", "Test Tone"
|
|
end
|
|
end
|