public PiffProtectedAudioSampleEntry(PiffAudioManifest audio, Guid keyId)
{
if (audio.Channels != 2)
{
throw new ArgumentException("AudioSampleEntry must have 2 channels.");
}
if (audio.CodecId != "AACL")
{
throw new ArgumentException($"Cannot process codec '{audio.CodecId}', only 'AACL' is supported.");
}
ChannelCount = audio.Channels;
SampleSize = audio.BitsPerSample;
SampleRate = ((uint)audio.SamplingRate) << 16;
Scheme = PiffProtectionSchemeInformation.CreateAudio(audio.CodecId, keyId);
StreamDescription = PiffElementaryStreamDescription.Create(
audio.CodecId, 0, audio.BitRate, BufferSize, audio.CodecData);
}
