bool IAudioStreamProvider.ReadStream(INativeAudioBuffer targetBuffer)
{
if (openmpt_module == IntPtr.Zero)
{
return(false);
}
int count = openmpt_module_read_interleaved_stereo(
openmpt_module,
SampleRate,
BufferSize >> 1, // Buffer size per channel
audioBuffer
);
if (count == 0)
{
return(false);
}
targetBuffer.LoadData(
SampleRate,
audioBuffer,
count << 1, // Number of samples (left + right)
AudioDataLayout.LeftRight,
AudioDataElementType.Short
);
return(true);
}
public static void LoadData <T>(
this INativeAudioBuffer buffer,
int sampleRate,
T[] data,
int dataLength,
AudioDataLayout dataLayout,
AudioDataElementType dataElementType) where T : struct
{
if (dataLength < 0)
{
throw new ArgumentOutOfRangeException("dataLength", "Data length cannot be negative");
}
if (dataLength > data.Length)
{
throw new ArgumentOutOfRangeException("dataLength", "Data length cannot exceed the specified arrays length.");
}
int itemSize = Marshal.SizeOf(typeof(T));
using (PinnedArrayHandle pinned = new PinnedArrayHandle(data))
{
buffer.LoadData(
sampleRate,
pinned.Address,
itemSize * dataLength,
dataLayout,
dataElementType);
}
}
bool IAudioStreamProvider.ReadStream(INativeAudioBuffer targetBuffer)
{
if (!OggVorbis.IsStreamValid(this.strOvStr))
{
return(false);
}
AudioData audioDataRes = this.audioData.Res;
PcmData pcm;
bool eof = !OggVorbis.StreamChunk(this.strOvStr, out pcm);
if (eof)
{
OggVorbis.EndStream(ref this.strOvStr);
if (this.looped)
{
OggVorbis.BeginStreamFromMemory(audioDataRes.OggVorbisData, out this.strOvStr);
if (pcm.DataLength == 0)
{
eof = !OggVorbis.StreamChunk(this.strOvStr, out pcm);
}
else
{
eof = false;
}
}
}
if (pcm.DataLength > 0)
{
targetBuffer.LoadData(
pcm.SampleRate,
pcm.Data,
pcm.DataLength,
pcm.ChannelCount == 1 ? AudioDataLayout.Mono : AudioDataLayout.LeftRight,
AudioDataElementType.Short);
}
return(pcm.DataLength != 0 && !eof);
}
bool IAudioStreamProvider.ReadStream(INativeAudioBuffer targetBuffer)
{
if (!OggVorbis.IsStreamValid(this.strOvStr))
return false;
AudioData audioDataRes = this.audioData.Res;
PcmData pcm;
bool eof = !OggVorbis.StreamChunk(this.strOvStr, out pcm);
if (eof)
{
OggVorbis.EndStream(ref this.strOvStr);
if (this.looped)
{
OggVorbis.BeginStreamFromMemory(audioDataRes.OggVorbisData, out this.strOvStr);
if (pcm.DataLength == 0)
eof = !OggVorbis.StreamChunk(this.strOvStr, out pcm);
else
eof = false;
}
}
if (pcm.DataLength > 0)
{
targetBuffer.LoadData(
pcm.SampleRate,
pcm.Data,
pcm.DataLength,
pcm.ChannelCount == 1 ? AudioDataLayout.Mono : AudioDataLayout.LeftRight,
AudioDataElementType.Short);
}
return pcm.DataLength != 0 && !eof;
}
