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Diffstat (limited to '3rdparty/portaudio/bindings/cpp/include/portaudiocpp/CppFunCallbackStream.hxx')
-rw-r--r-- | 3rdparty/portaudio/bindings/cpp/include/portaudiocpp/CppFunCallbackStream.hxx | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/3rdparty/portaudio/bindings/cpp/include/portaudiocpp/CppFunCallbackStream.hxx b/3rdparty/portaudio/bindings/cpp/include/portaudiocpp/CppFunCallbackStream.hxx new file mode 100644 index 00000000000..3f219eef87f --- /dev/null +++ b/3rdparty/portaudio/bindings/cpp/include/portaudiocpp/CppFunCallbackStream.hxx @@ -0,0 +1,86 @@ +#ifndef INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX +#define INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX + +// --------------------------------------------------------------------------------------- + +#include "portaudio.h" + +#include "portaudiocpp/CallbackStream.hxx" + +// --------------------------------------------------------------------------------------- + +// Forward declaration(s): +namespace portaudio +{ + class StreamParameters; +} + +// --------------------------------------------------------------------------------------- + +// Declaration(s): +namespace portaudio +{ + + + namespace impl + { + extern "C" + { + int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames, + const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, + void *userData); + } // extern "C" + } + + // ----------------------------------------------------------------------------------- + + ////// + /// @brief Callback stream using a C++ function (either a free function or a static function) + /// callback. + ////// + class FunCallbackStream : public CallbackStream + { + public: + typedef int (*CallbackFunPtr)(const void *inputBuffer, void *outputBuffer, unsigned long numFrames, + const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, + void *userData); + + // ------------------------------------------------------------------------------- + + ////// + /// @brief Simple structure containing a function pointer to the C++ callback function and a + /// (void) pointer to the user supplied data. + ////// + struct CppToCCallbackData + { + CppToCCallbackData(); + CppToCCallbackData(CallbackFunPtr funPtr, void *userData); + void init(CallbackFunPtr funPtr, void *userData); + + CallbackFunPtr funPtr; + void *userData; + }; + + // ------------------------------------------------------------------------------- + + FunCallbackStream(); + FunCallbackStream(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData); + ~FunCallbackStream(); + + void open(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData); + + private: + FunCallbackStream(const FunCallbackStream &); // non-copyable + FunCallbackStream &operator=(const FunCallbackStream &); // non-copyable + + CppToCCallbackData adapterData_; + + void open(const StreamParameters ¶meters); + }; + + +} // portaudio + +// --------------------------------------------------------------------------------------- + +#endif // INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX |