65 lines
1.9 KiB
Ruby
65 lines
1.9 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/v1.0.1.tar.gz"
|
|
sha256 "ce9459111cee48c84b2e5e7154fa5a182c8ec1132da880656de3c1bc3bf2cc79"
|
|
license "Zlib"
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "ce0c1d5ff1bc3cc3483d2602fdbb1f3f0e6b8124c821f13f7d22c931bdd64303" => :catalina
|
|
sha256 "251c3f283f5bf30c69b05b69fb80e3ef497d17d0f3290e1d11021d51950910ce" => :mojave
|
|
sha256 "6bd9626cca01c6d07b55143acd321676a573f68ba2ec7734922b936332fab567" => :high_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
|