public void SetPeriodSizeNear(ref uint periodSize, ref int dir)
{
int error = AlsaNativeMethods.snd_pcm_hw_params_set_period_size_near(_pcmPtr, _hardwareParamsPtr, ref periodSize, ref dir);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_hw_params_set_period_size_near));
}
}
public void SetPeriodSize(uint periodSize, int dir)
{
int error = AlsaNativeMethods.snd_pcm_hw_params_set_period_size(_pcmPtr, _hardwareParamsPtr, periodSize, dir);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_hw_params_set_period_size));
}
}
/// <summary>
/// would be nice to know what this does...
/// </summary>
public void Any()
{
int error = AlsaNativeMethods.snd_pcm_hw_params_any(_pcmPtr, _hardwareParamsPtr);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_hw_params_any));
}
}
public void SetRateNear(ref uint rate, ref int dir)
{
int error = AlsaNativeMethods.snd_pcm_hw_params_set_rate_near(_pcmPtr, _hardwareParamsPtr, ref rate, ref dir);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_hw_params_set_rate_near));
}
}
public void SetBufferNear(ref uint frames)
{
int error = AlsaNativeMethods.snd_pcm_hw_params_set_buffer_size_near(_pcmPtr, _hardwareParamsPtr, ref frames);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_hw_params_set_buffer_size_near));
}
}
public void Reset()
{
int error = AlsaNativeMethods.snd_pcm_reset(_pcmPtr);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_reset));
}
}
public void Drop()
{
int error = AlsaNativeMethods.snd_pcm_drop(_pcmPtr);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_drop));
}
}
public SoundPcm(string name, snd_pcm_stream_t streamType, int mode)
{
int error = AlsaNativeMethods.snd_pcm_open(out _pcmPtr, name, streamType, mode);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_open));
}
}
public void Resume()
{
int error = AlsaNativeMethods.snd_pcm_pause(_pcmPtr, 0);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_pause));
}
}
public void Prepare()
{
int error = AlsaNativeMethods.snd_pcm_prepare(_pcmPtr);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_prepare));
}
}
public SoundPcmHardwareParams(SoundPcm pcm)
{
_pcmPtr = pcm.Ptr;
int error = AlsaNativeMethods.snd_pcm_hw_params_malloc(out _hardwareParamsPtr);
if (error < 0)
{
throw new AlsaNativeError(error, nameof(AlsaNativeMethods.snd_pcm_hw_params_malloc));
}
}
public int Available()
{
int result = AlsaNativeMethods.snd_pcm_avail(_pcmPtr);
if (result < 0)
{
throw new AlsaNativeError(result, nameof(AlsaNativeMethods.snd_pcm_avail));
}
return(result);
}
protected virtual void Dispose(bool disposing)
{
if (!_disposedValue)
{
if (disposing)
{
AlsaNativeMethods.snd_pcm_hw_params_free(_hardwareParamsPtr);
}
_disposedValue = true;
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposedValue)
{
if (disposing)
{
AlsaNativeMethods.snd_pcm_close(_pcmPtr);
}
_disposedValue = true;
}
}
public int WriteInterleaved(short[] buffer, uint length)
{
return(AlsaNativeMethods.snd_pcm_writei(_pcmPtr, buffer, length));
}
public int ReadInterleaved(short[] buffer, uint length)
{
return(AlsaNativeMethods.snd_pcm_readi(_pcmPtr, buffer, length));
}