portaudio_v18_1
所属分类:音频处理
开发工具:Visual C++
文件大小:537KB
下载次数:20
上传日期:2009-09-02 11:42:48
上 传 者:
caijx_rabbit
说明: PortAudio是一个便携式的音频I/O库,跨平台支持。它使用回调机制,要求音频处理。音频可以生成各种形式,包括32位浮点, 将转换为本地格式。
(PortAudio is a portable audio I/O library designed for cross-platform
support of audio. It uses a callback mechanism to request audio processing.
Audio can be generated in various formats, including 32 bit floating point,
and will be converted to the native format internally.)
文件列表:
portaudio_v18_1\config.guess (39601, 2003-02-11)
portaudio_v18_1\config.sub (29745, 2003-02-11)
portaudio_v18_1\configure (84291, 2003-02-11)
portaudio_v18_1\configure.in (1698, 2003-02-11)
portaudio_v18_1\docs (0, 2003-06-30)
portaudio_v18_1\docs\index.html (2326, 2003-03-25)
portaudio_v18_1\docs\latency.html (8563, 2002-05-06)
portaudio_v18_1\docs\pa_drivermodel.c.txt (11461, 2002-05-06)
portaudio_v18_1\docs\pa_drivermodel.h.txt (4145, 2002-05-06)
portaudio_v18_1\docs\pa_impl_guide.html (7043, 2002-05-06)
portaudio_v18_1\docs\pa_impl_startstop.html (3888, 2002-05-06)
portaudio_v18_1\docs\pa_tutorial.html (2056, 2002-05-06)
portaudio_v18_1\docs\pa_tut_asio.html (3655, 2003-02-15)
portaudio_v18_1\docs\pa_tut_callback.html (4949, 2002-05-06)
portaudio_v18_1\docs\pa_tut_devs.html (2750, 2002-05-06)
portaudio_v18_1\docs\pa_tut_explore.html (1646, 2002-05-06)
portaudio_v18_1\docs\pa_tut_init.html (1721, 2002-05-06)
portaudio_v18_1\docs\pa_tut_mac.html (1513, 2002-05-06)
portaudio_v18_1\docs\pa_tut_mac_osx.html (3438, 2003-05-06)
portaudio_v18_1\docs\pa_tut_open.html (3050, 2002-09-03)
portaudio_v18_1\docs\pa_tut_oss.html (1578, 2002-05-06)
portaudio_v18_1\docs\pa_tut_over.html (3326, 2002-05-06)
portaudio_v18_1\docs\pa_tut_pc.html (4002, 2002-10-09)
portaudio_v18_1\docs\pa_tut_run.html (2473, 2002-05-06)
portaudio_v18_1\docs\pa_tut_rw.html (4055, 2002-05-06)
portaudio_v18_1\docs\pa_tut_term.html (1847, 2002-05-06)
portaudio_v18_1\docs\pa_tut_util.html (2394, 2002-05-06)
portaudio_v18_1\docs\portaudio_h.txt (15108, 2002-05-06)
portaudio_v18_1\docs\portaudio_icmc2001.pdf (50968, 2002-05-06)
portaudio_v18_1\docs\proposals.html (1120, 2002-07-26)
portaudio_v18_1\docs\releases.html (8262, 2002-05-06)
portaudio_v18_1\fixdir.bat (468, 2002-01-21)
portaudio_v18_1\fixfile.bat (217, 2002-02-19)
portaudio_v18_1\index.html (3768, 2002-07-08)
portaudio_v18_1\install-sh (5849, 2003-02-11)
portaudio_v18_1\LICENSE.txt (3084, 2002-02-19)
portaudio_v18_1\Makefile.in (2343, 2003-02-11)
portaudio_v18_1\Makefile.linux (1611, 2002-06-25)
portaudio_v18_1\Makefile.mingw (2120, 2002-02-20)
portaudio_v18_1\Makefile.solaris (1624, 2002-06-25)
... ...
README for PortAudio
Implementations for PC DirectSound and Mac SoundManager
/*
* PortAudio Portable Real-Time Audio Library
* Latest Version at: http://www.portaudio.com//
*
* Copyright (c) 1999-2000 Phil Burk and Ross Bencina
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
PortAudio is a portable audio I/O library designed for cross-platform
support of audio. It uses a callback mechanism to request audio processing.
Audio can be generated in various formats, including 32 bit floating point,
and will be converted to the native format internally.
Documentation:
See "pa_common/portaudio.h" for API spec.
See docs folder for a tutorial.
Also see http://www.portaudio.com/docs/
And see "pa_tests/patest_saw.c" for an example.
For information on compiling programs with PortAudio, please see the
tutorial at:
http://www.portaudio.com/docs/pa_tutorial.html
Important Files and Folders:
pa_common/ = platform independant code
pa_common/portaudio.h = header file for PortAudio API. Specifies API.
pa_common/pa_lib.c = host independant code for all implementations.
pablio = simple blocking read/write interface
Platform Implementations
pa_asio = ASIO for Windows and Macintosh
pa_beos = BeOS
pa_mac = Macintosh Sound Manager for OS 8,9 and Carbon
pa_mac_core = Macintosh Core Audio for OS X
pa_sgi = Silicon Graphics AL
pa_unix_oss = OSS implementation for various Unixes
pa_win_ds = Windows Direct Sound
pa_win_wmme = Windows MME (most widely supported)
Test Programs
pa_tests/pa_fuzz.c = guitar fuzz box
pa_tests/pa_devs.c = print a list of available devices
pa_tests/pa_minlat.c = determine minimum latency for your machine
pa_tests/paqa_devs.c = self test that opens all devices
pa_tests/paqa_errs.c = test error detection and reporting
pa_tests/patest_clip.c = hear a sine wave clipped and unclipped
pa_tests/patest_dither.c = hear effects of dithering (extremely subtle)
pa_tests/patest_pink.c = fun with pink noise
pa_tests/patest_record.c = record and playback some audio
pa_tests/patest_maxsines.c = how many sine waves can we play? Tests Pa_GetCPULoad().
pa_tests/patest_sine.c = output a sine wave in a simple PA app
pa_tests/patest_sync.c = test syncronization of audio and video
pa_tests/patest_wire.c = pass input to output, wire simulator
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