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authorsanine <sanine.not@pm.me>2022-08-25 14:54:53 -0500
committersanine <sanine.not@pm.me>2022-08-25 14:54:53 -0500
commit37c97e345d12f95dde44e1d1a4c2f2aadd4615bc (patch)
treee1bb25bc855883062bdd7847ff2c04290f71c840 /portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx
parent5634c7b04da619669f2f29f6798c03982be05180 (diff)
add initial structure
Diffstat (limited to 'portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx')
-rw-r--r--portaudio/bindings/cpp/source/portaudiocpp/DirectionSpecificStreamParameters.cxx163
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