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PortAudio: Starting, Stopping and Aborting a Stream
http://www.portaudio.com/docs/v19-doxydocs/start_stop_abort.html
Another way to stop the stream is to return either paComplete, or paAbort from your callback. paComplete ensures that the last buffer is played whereas paAbort stops the stream as soon as possible. If you stop the stream using this technique, you will need to call Pa_StopStream() before starting the stream again. Previous: Opening a Stream Using Defaults | Next: Closing a Stream …
PortAudio: Utility Functions
http://files.portaudio.com/docs/v19-doxydocs/utility_functions.html
PortAudio Streams exist in 3 states: Active, Stopped, and Callback Stopped. If a stream is in callback stopped state, you'll need to stop it before you can start it again. If you need to query the state of a PortAudio stream, there are two functions for doing so: PaError Pa_IsStreamStopped ( PaStream *stream)
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 …
c++ - I'm Trying to open a stream in PortAudio - Stack ...
https://stackoverflow.com/questions/61326170/im-trying-to-open-a-stream-in-portaudio
i'm using this api: Pa_OpenStream () // Open line-in stream err = Pa_OpenStream (&m_stream, &m_inputParameters, &m_outputParameters, 44100, // sample rate 128, // frames per buffer 0, // paClipOff OmniLineInCallback, NULL); and i'm getting err = -9993, i.e. paBadIODeviceCombination. I configured both input and output device and i want to record …
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