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portaudio - Interpreting inputBuffer's Value in a Callback ...
https://stackoverflow.com/questions/35640453/interpreting-inputbuffers-value-in-a-callback
I am basing my code off of Portaudio's paex_record_file.c example. One of the parameters in the callback is inputBuffer, and I wanted to use its data to calculate other numbers with the double/float type. I changed the file from a .raw to a .txt, but notepad still cannot read it, leading me to believe its data is not actually encoded as a number.
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 - an Open-Source Cross-Platform Audio API
PortAudio provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.
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