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#include "portaudiocpp/BlockingStream.hxx"
#include "portaudio.h"
#include "portaudiocpp/StreamParameters.hxx"
#include "portaudiocpp/Exception.hxx"
namespace portaudio
{
// --------------------------------------------------------------------------------------
BlockingStream::BlockingStream()
{
}
BlockingStream::BlockingStream(const StreamParameters ¶meters)
{
open(parameters);
}
BlockingStream::~BlockingStream()
{
try
{
close();
}
catch (...)
{
// ignore all errors
}
}
// --------------------------------------------------------------------------------------
void BlockingStream::open(const StreamParameters ¶meters)
{
PaError err = Pa_OpenStream(&stream_, parameters.inputParameters().paStreamParameters(), parameters.outputParameters().paStreamParameters(),
parameters.sampleRate(), parameters.framesPerBuffer(), parameters.flags(), NULL, NULL);
if (err != paNoError)
{
throw PaException(err);
}
}
// --------------------------------------------------------------------------------------
void BlockingStream::read(void *buffer, unsigned long numFrames)
{
PaError err = Pa_ReadStream(stream_, buffer, numFrames);
if (err != paNoError)
{
throw PaException(err);
}
}
void BlockingStream::write(const void *buffer, unsigned long numFrames)
{
PaError err = Pa_WriteStream(stream_, buffer, numFrames);
if (err != paNoError)
{
throw PaException(err);
}
}
// --------------------------------------------------------------------------------------
signed long BlockingStream::availableReadSize() const
{
signed long avail = Pa_GetStreamReadAvailable(stream_);
if (avail < 0)
{
throw PaException(avail);
}
return avail;
}
signed long BlockingStream::availableWriteSize() const
{
signed long avail = Pa_GetStreamWriteAvailable(stream_);
if (avail < 0)
{
throw PaException(avail);
}
return avail;
}
// --------------------------------------------------------------------------------------
} // portaudio
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