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PortAudio: PaStreamCallbackTimeInfo Struct Reference
http://www.portaudio.com/docs/v19-doxydocs/structPaStreamCallbackTimeInfo.html
PaTime PaStreamCallbackTimeInfo::inputBufferAdcTime. The time when the first sample of the input buffer was captured at the ADC input. Definition at line 700 of file portaudio.h. PaTime PaStreamCallbackTimeInfo::outputBufferDacTime. The time when the first sample of the output buffer will output the DAC. Definition at line 702 of file portaudio.h.
PortAudio: PaStreamCallbackTimeInfo Struct Reference
http://portaudio.com/docs/v19-doxydocs-dev/structPaStreamCallbackTimeInfo.html
PaTime PaStreamCallbackTimeInfo::outputBufferDacTime: The time when the first sample of the output buffer will output the DAC . Referenced by PaUtil_BeginBufferProcessing(), ProcessingThread(), and ProcessingThreadProc(). The documentation for this struct was generated from the following file: portaudio.h;
PortAudio: portaudio.h Source File
http://files.portaudio.com/docs/v19-doxydocs/portaudio_8h_source.html
int PaStreamCallback(const void *input, void *output, unsigned long frameCount, const PaStreamCallbackTimeInfo *timeInfo, PaStreamCallbackFlags statusFlags, void *userData) Definition: portaudio.h:831
c++ - Portaudio Callback Function Example - Stack Overflow
https://stackoverflow.com/questions/26172522/portaudio-callback-function-example
Many apps may want to use paFramesPerBufferUnspecified, which tells PortAudio to pick the best, possibly changing, buffer size.*/ patestCallback, /* this is your callback function */ &paData ); /*This is a pointer that will be passed to your callback*/. An example of a good callback function would be very useful, but of course any help is ...
c - Continuous recording in PortAudio (from mic or output ...
https://stackoverflow.com/questions/15690668/continuous-recording-in-portaudio-from-mic-or-output
To interact with the data stream real-time you'll need a mechanism that either sleeps (busy waits on Windows) for the frame period (sample rate / samples per frame) or uses a thread synchronization primitive to trigger your thread int main that there is audio ready to be processed. This will give you access to each frame of data that PortAudio delivers during its …
Is it possible to write a Portaudio callback in Rust? : rust
https://www.reddit.com/r/rust/comments/1sbszh/is_it_possible_to_write_a_portaudio_callback_in/
typedef int PaStreamCallback( const void *input, void *output, unsigned long frameCount, const PaStreamCallbackTimeInfo* timeInfo, PaStreamCallbackFlags statusFlags, void *userData ) ; I feel like Rust would make a good language for audio DSP applications in place of C/C++, perhaps even to write VST plugins at some point.
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