diff options
author | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
commit | a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch) | |
tree | 13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /3rdparty/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx | |
parent | bde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff) |
add plibsys
Diffstat (limited to '3rdparty/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx')
-rw-r--r-- | 3rdparty/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/3rdparty/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx b/3rdparty/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx new file mode 100644 index 0000000..b26b9e8 --- /dev/null +++ b/3rdparty/portaudio/bindings/cpp/source/portaudiocpp/BlockingStream.cxx @@ -0,0 +1,100 @@ +#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 + + + |