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Diffstat (limited to 'portaudio/test/patest_ringmix.c')
-rw-r--r-- | portaudio/test/patest_ringmix.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/portaudio/test/patest_ringmix.c b/portaudio/test/patest_ringmix.c deleted file mode 100644 index 2db6706..0000000 --- a/portaudio/test/patest_ringmix.c +++ /dev/null @@ -1,86 +0,0 @@ -/** @file patest_ringmix.c - @ingroup test_src - @brief Ring modulate inputs to left output, mix inputs to right output. -*/ -/* - * $Id$ - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.portaudio.com - * Copyright (c) 1999-2000 Ross Bencina and Phil Burk - * - * 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. - * - * 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. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * 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. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - - -#include "stdio.h" -#include "portaudio.h" -/* This will be called asynchronously by the PortAudio engine. */ -static int myCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - void *userData ) -{ - const float *in = (const float *) inputBuffer; - float *out = (float *) outputBuffer; - float leftInput, rightInput; - unsigned int i; - - /* Read input buffer, process data, and fill output buffer. */ - for( i=0; i<framesPerBuffer; i++ ) - { - leftInput = *in++; /* Get interleaved samples from input buffer. */ - rightInput = *in++; - *out++ = leftInput * rightInput; /* ring modulation */ - *out++ = 0.5f * (leftInput + rightInput); /* mix */ - } - return 0; -} - -/* Open a PortAudioStream to input and output audio data. */ -int main(void) -{ - PaStream *stream; - Pa_Initialize(); - Pa_OpenDefaultStream( - &stream, - 2, 2, /* stereo input and output */ - paFloat32, 44100.0, - 64, /* 64 frames per buffer */ - myCallback, NULL ); - Pa_StartStream( stream ); - Pa_Sleep( 10000 ); /* Sleep for 10 seconds while processing. */ - Pa_StopStream( stream ); - Pa_CloseStream( stream ); - Pa_Terminate(); - return 0; -} |