diff options
author | sanine <sanine.not@pm.me> | 2022-08-25 14:54:53 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-08-25 14:54:53 -0500 |
commit | 37c97e345d12f95dde44e1d1a4c2f2aadd4615bc (patch) | |
tree | e1bb25bc855883062bdd7847ff2c04290f71c840 /portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx | |
parent | 5634c7b04da619669f2f29f6798c03982be05180 (diff) |
add initial structure
Diffstat (limited to 'portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx')
-rw-r--r-- | portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx b/portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx new file mode 100644 index 0000000..68453d0 --- /dev/null +++ b/portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx @@ -0,0 +1,163 @@ +#include "portaudiocpp/DirectionSpecificStreamParameters.hxx" + +#include "portaudiocpp/Device.hxx" + +namespace portaudio +{ + + // ----------------------------------------------------------------------------------- + + ////// + /// Returns a `nil' DirectionSpecificStreamParameters object. This can be used to + /// specify that one direction of a Stream is not required (i.e. when creating + /// a half-duplex Stream). All fields of the null DirectionSpecificStreamParameters + /// object are invalid except for the device and the number of channel, which are set + /// to paNoDevice and 0 respectively. + ////// + DirectionSpecificStreamParameters DirectionSpecificStreamParameters::null() + { + DirectionSpecificStreamParameters tmp; + tmp.paStreamParameters_.device = paNoDevice; + tmp.paStreamParameters_.channelCount = 0; + return tmp; + } + + // ----------------------------------------------------------------------------------- + + ////// + /// Default constructor -- all parameters will be uninitialized. + ////// + DirectionSpecificStreamParameters::DirectionSpecificStreamParameters() + { + } + + ////// + /// Constructor which sets all required fields. + ////// + DirectionSpecificStreamParameters::DirectionSpecificStreamParameters(const Device &device, int numChannels, + SampleDataFormat format, bool interleaved, PaTime suggestedLatency, void *hostApiSpecificStreamInfo) + { + setDevice(device); + setNumChannels(numChannels); + setSampleFormat(format, interleaved); + setSuggestedLatency(suggestedLatency); + setHostApiSpecificStreamInfo(hostApiSpecificStreamInfo); + } + + // ----------------------------------------------------------------------------------- + + void DirectionSpecificStreamParameters::setDevice(const Device &device) + { + paStreamParameters_.device = device.index(); + } + + void DirectionSpecificStreamParameters::setNumChannels(int numChannels) + { + paStreamParameters_.channelCount = numChannels; + } + + void DirectionSpecificStreamParameters::setSampleFormat(SampleDataFormat format, bool interleaved) + { + paStreamParameters_.sampleFormat = static_cast<PaSampleFormat>(format); + + if (!interleaved) + paStreamParameters_.sampleFormat |= paNonInterleaved; + } + + void DirectionSpecificStreamParameters::setHostApiSpecificSampleFormat(PaSampleFormat format, bool interleaved) + { + paStreamParameters_.sampleFormat = format; + + paStreamParameters_.sampleFormat |= paCustomFormat; + + if (!interleaved) + paStreamParameters_.sampleFormat |= paNonInterleaved; + } + + void DirectionSpecificStreamParameters::setSuggestedLatency(PaTime latency) + { + paStreamParameters_.suggestedLatency = latency; + } + + void DirectionSpecificStreamParameters::setHostApiSpecificStreamInfo(void *streamInfo) + { + paStreamParameters_.hostApiSpecificStreamInfo = streamInfo; + } + + // ----------------------------------------------------------------------------------- + + PaStreamParameters *DirectionSpecificStreamParameters::paStreamParameters() + { + if (paStreamParameters_.channelCount > 0 && paStreamParameters_.device != paNoDevice) + return &paStreamParameters_; + else + return NULL; + } + + const PaStreamParameters *DirectionSpecificStreamParameters::paStreamParameters() const + { + if (paStreamParameters_.channelCount > 0 && paStreamParameters_.device != paNoDevice) + return &paStreamParameters_; + else + return NULL; + } + + Device &DirectionSpecificStreamParameters::device() const + { + return System::instance().deviceByIndex(paStreamParameters_.device); + } + + int DirectionSpecificStreamParameters::numChannels() const + { + return paStreamParameters_.channelCount; + } + + ////// + /// Returns the (non host api-specific) sample format, without including + /// the paNonInterleaved flag. If the sample format is host api-spefific, + /// INVALID_FORMAT (0) will be returned. + ////// + SampleDataFormat DirectionSpecificStreamParameters::sampleFormat() const + { + if (isSampleFormatHostApiSpecific()) + return INVALID_FORMAT; + else + return static_cast<SampleDataFormat>(paStreamParameters_.sampleFormat & ~paNonInterleaved); + } + + bool DirectionSpecificStreamParameters::isSampleFormatInterleaved() const + { + return ((paStreamParameters_.sampleFormat & paNonInterleaved) == 0); + } + + bool DirectionSpecificStreamParameters::isSampleFormatHostApiSpecific() const + { + return ((paStreamParameters_.sampleFormat & paCustomFormat) == 0); + } + + ////// + /// Returns the host api-specific sample format, without including any + /// paCustomFormat or paNonInterleaved flags. Will return 0 if the sample format is + /// not host api-specific. + ////// + PaSampleFormat DirectionSpecificStreamParameters::hostApiSpecificSampleFormat() const + { + if (isSampleFormatHostApiSpecific()) + return paStreamParameters_.sampleFormat & ~paCustomFormat & ~paNonInterleaved; + else + return 0; + } + + PaTime DirectionSpecificStreamParameters::suggestedLatency() const + { + return paStreamParameters_.suggestedLatency; + } + + void *DirectionSpecificStreamParameters::hostApiSpecificStreamInfo() const + { + return paStreamParameters_.hostApiSpecificStreamInfo; + } + + // ----------------------------------------------------------------------------------- + +} // namespace portaudio |