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root / src / portaudio_20161030_catalina_patch / bindings / cpp / include / portaudiocpp / CppFunCallbackStream.hxx @ 164:9fa11135915a
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#ifndef INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX |
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#define INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX |
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// --------------------------------------------------------------------------------------- |
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#include "portaudio.h" |
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#include "portaudiocpp/CallbackStream.hxx" |
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// --------------------------------------------------------------------------------------- |
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// Forward declaration(s): |
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namespace portaudio |
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{
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class StreamParameters; |
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} |
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// --------------------------------------------------------------------------------------- |
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// Declaration(s): |
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namespace portaudio |
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{
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namespace impl |
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{
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extern "C" |
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{
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int cppCallbackToPaCallbackAdapter(const void *inputBuffer, void *outputBuffer, unsigned long numFrames, |
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const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, |
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void *userData); |
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} // extern "C" |
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} |
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// ----------------------------------------------------------------------------------- |
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////// |
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/// @brief Callback stream using a C++ function (either a free function or a static function) |
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/// callback. |
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////// |
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class FunCallbackStream : public CallbackStream |
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{
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public: |
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typedef int (*CallbackFunPtr)(const void *inputBuffer, void *outputBuffer, unsigned long numFrames, |
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const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, |
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void *userData); |
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// ------------------------------------------------------------------------------- |
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////// |
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/// @brief Simple structure containing a function pointer to the C++ callback function and a |
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/// (void) pointer to the user supplied data. |
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////// |
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struct CppToCCallbackData |
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{
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CppToCCallbackData(); |
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CppToCCallbackData(CallbackFunPtr funPtr, void *userData); |
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void init(CallbackFunPtr funPtr, void *userData); |
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CallbackFunPtr funPtr; |
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void *userData; |
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}; |
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// ------------------------------------------------------------------------------- |
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FunCallbackStream(); |
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FunCallbackStream(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData); |
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~FunCallbackStream(); |
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void open(const StreamParameters ¶meters, CallbackFunPtr funPtr, void *userData); |
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private: |
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FunCallbackStream(const FunCallbackStream &); // non-copyable |
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FunCallbackStream &operator=(const FunCallbackStream &); // non-copyable |
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CppToCCallbackData adapterData_; |
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void open(const StreamParameters ¶meters); |
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}; |
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} // portaudio |
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// --------------------------------------------------------------------------------------- |
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#endif // INCLUDED_PORTAUDIO_CPPFUNCALLBACKSTREAM_HXX |