/// <summary>
/// Determine if the device will support a given PCM format
/// </summary>
/// <param name="sampleFormat">The data format for PCM samples</param>
/// <param name="channels">The number of channels</param>
/// <param name="sampleRate">The number of frames/second the device will render/capture</param>
/// <param name="suggestedLatency">The latency the device will attempt to match</param>
/// <param name="asOutput">Marks if the device should be opened as an input or an output</param>
/// <returns>True if the device supports this format, false otherwise</returns>
public unsafe bool SupportsFormat(PortAudioSampleFormat sampleFormat, int channels, double sampleRate, TimeSpan suggestedLatency, bool asOutput)
{
PaStreamParameters *inputParams = default;
PaStreamParameters *outputParams = default;
var param = new PaStreamParameters
{
DeviceIndex = DeviceIndex,
ChannelCount = channels,
HostApiSpecificStreamInfo = IntPtr.Zero,
SampleFormats = sampleFormat.SampleFormat,
SuggestedLatency = new PaTime(suggestedLatency)
};
if (asOutput)
{
outputParams = ¶m;
}
else
{
inputParams = ¶m;
}
return(Native.PortAudio.Pa_IsFormatSupported(inputParams, outputParams, sampleRate) >= PaErrorCode.NoError);
}
unsafe public static extern PaError PA_OpenStream(
out void *stream,
PaStreamParameters *inputParameters,
PaStreamParameters *outputParameters,
double sampleRate,
uint framesPerBuffer,
PaStreamFlags streamFlags,
PaStreamCallback streamCallback,
int callback_id); // 0 for callback1, else callback2
unsafe public static extern PaError PA_IsFormatSupported(
PaStreamParameters *inputParameters,
PaStreamParameters *outputParameters,
double sampleRate);
