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PortAudio - an Open-Source Cross-Platform Audio API
PortAudio is a free, cross-platform, open-source, audio I/O library. It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms including Windows, Macintosh OS X, and Unix (OSS/ALSA). It is intended to promote the exchange of audio software between developers on different platforms.
c++ - Portaudio doesn't recognize all audio devices ...
https://stackoverflow.com/questions/56808724/portaudio-doesnt-recognize-all-audio-devices
After all the problem occurred by Alsa . I have two sound cards (or at least two virtual sound cards) on the Ubuntu 18 machine and Alsa was reading by default only the one .There are many workarounds to this problem ,the one that worked for me was to change/create the config file /etc/asound.conf with this two lines :. defaults.pcm.card 2 defaults.ctl.card 1
PortAudio: pa_asio.cpp File Reference
http://portaudio.com/docs/v19-doxydocs-dev/pa__asio_8cpp.html
device: The global index of the device about which the query is being made. minBufferSizeFrames: A pointer to the location which will receive the minimum buffer size value.
PortAudio: File List
http://portaudio.com/docs/v19-doxydocs-dev/files.html
iasiothiscallresolver.cpp: iasiothiscallresolver.h: pa_allocation.c: Allocation Group implementation : pa_allocation.h: Allocation Group prototypes. An Allocation Group makes it easy to allocate multiple blocks of memory and free them all at once : pa_asio.cpp: pa_asio.h: ASIO-specific PortAudio API extension header file : pa_converters.c
GitHub - PortAudio/portaudio: PortAudio is a cross ...
https://github.com/PortAudio/portaudio
PortAudio - portable audio I/O library. PortAudio is a portable audio I/O library designed for cross-platform support of audio. It uses either a callback mechanism to request audio processing, or blocking read/write calls to buffer data between the native audio subsystem and the client.
PortAudio: Building Portaudio for Windows with ASIO ...
http://portaudio.com/docs/v19-doxydocs-dev/compile_windows_asio_msvc.html
For instructions for building PortAudio (including ASIO support) using the bundled Visual Studio project file see the compiling instructions for Building PortAudio for Windows using Microsoft Visual Studio. ASIO is a low latency audio API from Steinberg. To compile an ASIO application, you must first download the ASIO SDK from Steinberg.
PortAudio: examples Directory Reference
http://files.portaudio.com/docs/v19-doxydocs-dev/dir_d28a4824dc47e487b107a5db32ef43c4.html
paex_sine_c++.cpp file paex_wmme_ac3.c Use WMME-specific interface to send raw AC3 data to a S/PDIF output. file paex_wmme_surround.c Use WMME-specific channelMask to request 5.1 surround sound output. file paex_write_sine.c Play a sine wave for several seconds using the blocking API (Pa_WriteStream()) file paex_write_sine_nonint.c
PortAudio: iasiothiscallresolver.h Source File
http://files.portaudio.com/docs/v19-doxydocs-dev/iasiothiscallresolver_8h_source.html
123 // the other ASIO headers (except for the case of iasiothiscallresolver.cpp). 124 // We need to do this because IASIOThiscallResolver works by eclipsing the 125 // original definition of ASIOInit() with a macro (see below).
portaudio/PortAudioCpp.hxx at master · EddieRingle ...
https://github.com/EddieRingle/portaudio/blob/master/bindings/cpp/include/portaudiocpp/PortAudioCpp.hxx
PortAudioCpp aims to resolve this by encapsulating. /// PortAudio's C API to form an equivalent object-oriented C++ API. It provides a more natural integration of PortAudio. /// into C++ programs as well as a more structured interface. PortAudio's …
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