internal PcmDownmixingTranscoder(PipeReader input,
PcmAudioCodec codec)
{
_input = input;
_codec = codec;
_pipe = new Pipe();
}
internal PcmFormatTranscoder(PipeReader input,
PcmAudioCodec codec)
{
_input = input;
_codec = codec;
_pipe = new Pipe();
}
internal unsafe PcmEncodingTranscoder(PipeReader input,
PcmAudioCodec codec)
{
const int Application = 2049; // OPUS_APPLICATION_AUDIO
Debug.Assert(
typeof(T) == typeof(short) ||
typeof(T) == typeof(float));
Debug.Assert(codec.ChannelCount == 2);
Debug.Assert(codec.SamplingRate == 48000);
_codec = codec;
int status;
_encoder = opus_encoder_create(codec.SamplingRate,
codec.ChannelCount, Application, &status);
if (status < 0)
{
ThrowExternalException("Could not create Opus Encoder",
status);
}
_input = input;
_pipe = new Pipe();
}
internal PcmChannelDuplicationTranscoder(PipeReader input,
PcmAudioCodec codec)
{
_input = input;
_codec = codec;
_pipe = new Pipe();
}
public PcmEndiannessTranscoder(PipeReader input,
PcmAudioCodec codec)
{
Debug.Assert(
typeof(T) == typeof(ushort) ||
typeof(T) == typeof(uint));
Debug.Assert(codec.Endianness == SampleEndianness.BigEndian);
if (!Avx2.IsSupported &&
!Ssse3.IsSupported &&
!Sse2.IsSupported)
{
ThrowPlatformNotSupportedException(
"Could not find support for AVX2, SSSE3 or SSE2");
}
_input = input;
_codec = codec;
_pipe = new Pipe();
}
