diff options
Diffstat (limited to 'pd/portaudio_v18/pa_tests/patest_wire.c')
| -rw-r--r-- | pd/portaudio_v18/pa_tests/patest_wire.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/pd/portaudio_v18/pa_tests/patest_wire.c b/pd/portaudio_v18/pa_tests/patest_wire.c deleted file mode 100644 index 7ea64bb4..00000000 --- a/pd/portaudio_v18/pa_tests/patest_wire.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * $Id: patest_wire.c,v 1.2.4.3 2003/04/10 23:09:40 philburk Exp $ - * patest_wire.c - * - * Pass input directly to output. - * Note that some HW devices, for example many ISA audio cards - * on PCs, do NOT support full duplex! For a PC, you normally need - * a PCI based audio card such as the SBLive. - * - * Author: Phil Burk http://www.softsynth.com - * - * 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. - * - * 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. - * - */ -#include <stdio.h> -#include <math.h> -#include "portaudio.h" - -#define INPUT_DEVICE Pa_GetDefaultInputDeviceID() -#define OUTPUT_DEVICE Pa_GetDefaultOutputDeviceID() - -/* -** Note that many of the older ISA sound cards on PCs do NOT support -** full duplex audio (simultaneous record and playback). -** And some only support full duplex at lower sample rates. -*/ -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) - -#if 1 -#define PA_SAMPLE_TYPE paFloat32 -typedef float SAMPLE; -#else -#define PA_SAMPLE_TYPE paInt16 -typedef short SAMPLE; -#endif -static int wireCallback( void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - PaTimestamp outTime, void *userData ); - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may be called at interrupt level on some machines so don't do anything -** that could mess up the system like calling malloc() or free(). -*/ -static int wireCallback( void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - PaTimestamp outTime, void *userData ) -{ - SAMPLE *out = (SAMPLE*)outputBuffer; - SAMPLE *in = (SAMPLE*)inputBuffer; - unsigned int i; - (void) outTime; - int samplesPerFrame; - int numSamples; - - samplesPerFrame = (int) userData; - numSamples = framesPerBuffer * samplesPerFrame; - - /* This may get called with NULL inputBuffer during initial setup. */ - if( inputBuffer == NULL ) - { - for( i=0; i<numSamples; i++ ) - { - *out++ = 0; - } - } - else - { - for( i=0; i<numSamples; i++ ) - { - *out++ = *in++; - } - } - - return 0; -} - - -/*******************************************************************/ -int main(void); -int main(void) -{ - PortAudioStream *stream; - PaError err; - const PaDeviceInfo *inputInfo; - const PaDeviceInfo *outputInfo; - int numChannels; - - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - printf("PortAudio Test: input device ID = %d\n", INPUT_DEVICE ); - printf("PortAudio Test: output device ID = %d\n", OUTPUT_DEVICE ); - - /* Use as many channels aspossible. */ - inputInfo = Pa_GetDeviceInfo( INPUT_DEVICE ); - outputInfo = Pa_GetDeviceInfo( OUTPUT_DEVICE ); - /* Use smaller count. */ - numChannels = (inputInfo->maxInputChannels < outputInfo->maxOutputChannels) ? - inputInfo->maxInputChannels : outputInfo->maxOutputChannels; - - printf("maxInputChannels channels = %d\n", inputInfo->maxInputChannels ); - printf("maxOutputChannels channels = %d\n", outputInfo->maxOutputChannels ); - if( numChannels > 0 ) - { - printf("Using %d channels.\n", numChannels ); - - err = Pa_OpenStream( - &stream, - INPUT_DEVICE, - numChannels, - PA_SAMPLE_TYPE, - NULL, - OUTPUT_DEVICE, - numChannels, - PA_SAMPLE_TYPE, - NULL, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - 0, /* number of buffers, if zero then use default minimum */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - wireCallback, - (void *) numChannels ); /* pass numChannels to callback */ - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Full duplex sound test in progress.\n"); - printf("Hit ENTER to exit test.\n"); fflush(stdout); - getchar(); - - printf("Closing stream.\n"); - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - } - else - { - printf("Sorry, not enough channels.\n"); - } - Pa_Terminate(); - - printf("Full duplex sound test complete.\n"); fflush(stdout); - return 0; -error: - Pa_Terminate(); - fprintf( stderr, "An error occured while using the portaudio stream\n" ); - fprintf( stderr, "Error number: %d\n", err ); - fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) ); - return -1; -} |