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PortAudio: Example programs demonstrating PortAudio …
http://portaudio.com/docs/v19-doxydocs/group__examples__src.html
pa_fuzz.c Distort input like a fuzz box. file paex_mono_asio_channel_select.c Play a monophonic sine wave on a specific ASIO channel. file paex_ocean_shore.c Generate Pink Noise using Gardner method, and make "waves". Provides an example of how to post stuff to/from the audio callback using lock-free FIFOs implemented by the PA ringbuffer. file
PortAudio: portaudio.h File Reference
http://portaudio.com/docs/v19-doxydocs/portaudio_8h.html
Definition at line 585 of file portaudio.h. Can be passed as the framesPerBuffer parameter to Pa_OpenStream () or Pa_OpenDefaultStream () to indicate that the stream callback will accept buffers of any size. Definition at line 642 of file portaudio.h.
SC_PortAudioDriver: PortAudio failed at Pa_OpenStream …
https://github.com/supercollider/supercollider/issues/3976
SC_PortAudioDriver: PortAudio failed at Pa_OpenStream with error: 'Unanticipated host error' could not initialize audio. RESULT = -1073740791 #3976 th1sthye7 opened this issue Aug 12, 2018 · 33 comments
wrapper - How to store audio data in a wrapped …
https://stackoverflow.com/questions/31704225/how-to-store-audio-data-in-a-wrapped-portaudio-callback
Then, this callback is called in the PortAudio function Pa_OpenStream: Pa_OpenStream ( &stream, &inputParameters, NULL, SAMPLE_RATE, FRAMES_PER_BUFFER, paClipOff, recordCallback, &data ); *userData in the callback function is the same pointer as &data in Pa_OpenStream, which is an array to store the audiobuffer so the audio can be writeen to a ...
portaudio/portaudio.h at master · PortAudio/portaudio · …
https://github.com/PortAudio/portaudio/blob/master/include/portaudio.h
/* * Retrieve the release number of the currently running PortAudio build. For example, for version "19.5.1" this will return 0x00130501. @see paMakeVersionNumber ... @param stream A pointer to an open stream previously created with Pa_OpenStream. @note PortAudio manages the memory referenced by the returned pointer, the client must not ...
portaudio/paex_record.c at master · PortAudio/portaudio ...
https://github.com/PortAudio/portaudio/blob/master/examples/paex_record.c
PortAudio is a cross-platform, open-source C language library for real-time audio input and output. - portaudio/paex_record.c at master · PortAudio/portaudio
PortAudio: pa_process.h File Reference
http://www.portaudio.com/docs/v19-doxydocs-dev/pa__process_8h.html
Sample rate of the stream. The more accurate this is the better - it is used for updating time stamps when adapting buffers. streamFlags: Stream flags as passed to Pa_OpenStream, this parameter is used for selecting special sample conversion options such as clipping and dithering. framesPerUserBuffer
PortAudio: pa_front.c File Reference
http://portaudio.com/docs/v19-doxydocs-dev/pa__front_8c.html
The sample format of both the input and output buffers provided to the callback or passed to and from Pa_ReadStream and Pa_WriteStream. sampleFormat may be any of the formats described by the PaSampleFormat enumeration. sampleRate: Same as Pa_OpenStream parameter of the same name. framesPerBuffer: Same as Pa_OpenStream parameter of the same name.
PortAudio: pa_fuzz.c Source File
http://files.portaudio.com/docs/v19-doxydocs/pa__fuzz_8c_source.html
82 #define FUZZ (x) CubicAmplifier (CubicAmplifier (CubicAmplifier (CubicAmplifier (x)))) 83. 84 static int gNumNoInputs = 0; 85 /* This routine will be called by the PortAudio engine when audio is needed. 86 ** It may be called at interrupt level on some machines so don't do anything.
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