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