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| # 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. Audio can be processed in various | |
| formats, including 32 bit floating point, and will be converted to the | |
| native format internally. | |
| ## Documentation: | |
| * Documentation is available at http://www.portaudio.com/docs/ | |
| * Or at `/doc/html/index.html` after running Doxygen. | |
| * Also see `src/common/portaudio.h` for the API spec. | |
| * And see the `examples/` and `test/` directories for many examples of usage. (We suggest `examples/paex_saw.c` for an example.) | |
| For information on compiling programs with PortAudio, please see the | |
| tutorial at: | |
| http://portaudio.com/docs/v19-doxydocs/tutorial_start.html | |
| We have an active mailing list for user and developer discussions. | |
| Please feel free to join. See http://www.portaudio.com for details. | |
| ## Important Files and Folders: | |
| include/portaudio.h = header file for PortAudio API. Specifies API. | |
| src/common/ = platform independent code, host independent | |
| code for all implementations. | |
| src/os = os specific (but host api neutral) code | |
| src/hostapi = implementations for different host apis | |
| ### Host API Implementations: | |
| src/hostapi/alsa = Advanced Linux Sound Architecture (ALSA) | |
| src/hostapi/asihpi = AudioScience HPI | |
| src/hostapi/asio = ASIO for Windows and Macintosh | |
| src/hostapi/coreaudio = Macintosh Core Audio for OS X | |
| src/hostapi/dsound = Windows Direct Sound | |
| src/hostapi/jack = JACK Audio Connection Kit | |
| src/hostapi/oss = Unix Open Sound System (OSS) | |
| src/hostapi/wasapi = Windows Vista WASAPI | |
| src/hostapi/wdmks = Windows WDM Kernel Streaming | |
| src/hostapi/wmme = Windows MultiMedia Extensions (MME) | |
| ### Test Programs: | |
| test/pa_fuzz.c = guitar fuzz box | |
| test/pa_devs.c = print a list of available devices | |
| test/pa_minlat.c = determine minimum latency for your machine | |
| test/paqa_devs.c = self test that opens all devices | |
| test/paqa_errs.c = test error detection and reporting | |
| test/patest_clip.c = hear a sine wave clipped and unclipped | |
| test/patest_dither.c = hear effects of dithering (extremely subtle) | |
| test/patest_pink.c = fun with pink noise | |
| test/patest_record.c = record and playback some audio | |
| test/patest_maxsines.c = how many sine waves can we play? Tests Pa_GetCPULoad(). | |
| test/patest_sine.c = output a sine wave in a simple PA app | |
| test/patest_sync.c = test synchronization of audio and video | |
| test/patest_wire.c = pass input to output, wire simulator | |