From 9c0e19a3be2288db79e2502e5fa450c3e20a668d Mon Sep 17 00:00:00 2001 From: Guenter Geiger Date: Fri, 9 May 2003 16:04:00 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r610, which included commits to RCS files with non-trunk default branches. svn path=/trunk/; revision=611 --- pd/portaudio/pa_tests/patest_wire.c | 277 ++++++++++++++++++++++++++++++++++++ 1 file changed, 277 insertions(+) create mode 100644 pd/portaudio/pa_tests/patest_wire.c (limited to 'pd/portaudio/pa_tests/patest_wire.c') diff --git a/pd/portaudio/pa_tests/patest_wire.c b/pd/portaudio/pa_tests/patest_wire.c new file mode 100644 index 00000000..51531395 --- /dev/null +++ b/pd/portaudio/pa_tests/patest_wire.c @@ -0,0 +1,277 @@ +/* + * $Id: patest_wire.c,v 1.1.1.1 2003-05-09 16:03:57 ggeiger 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 +#include +#include "portaudio.h" + +#define SAMPLE_RATE (44100) + +typedef struct WireConfig_s +{ + int isInputInterleaved; + int isOutputInterleaved; + int numInputChannels; + int numOutputChannels; + int framesPerCallback; +} WireConfig_t; + +#define USE_FLOAT_INPUT (1) +#define USE_FLOAT_OUTPUT (1) + +#define INPUT_LATENCY_MSEC (0) +#define INPUT_LATENCY_FRAMES ((INPUT_LATENCY_MSEC * SAMPLE_RATE) / 1000) +#define OUTPUT_LATENCY_MSEC (0) +#define OUTPUT_LATENCY_FRAMES ((OUTPUT_LATENCY_MSEC * SAMPLE_RATE) / 1000) + + +#if USE_FLOAT_INPUT + #define INPUT_FORMAT paFloat32 + typedef float INPUT_SAMPLE; +#else + #define INPUT_FORMAT paInt16 + typedef short INPUT_SAMPLE; +#endif + +#if USE_FLOAT_OUTPUT + #define OUTPUT_FORMAT paFloat32 + typedef float OUTPUT_SAMPLE; +#else + #define OUTPUT_FORMAT paInt16 + typedef short OUTPUT_SAMPLE; +#endif + +double gInOutScaler = 1.0; +#define CONVERT_IN_TO_OUT(in) ((OUTPUT_SAMPLE) ((in) * gInOutScaler)) + +#define INPUT_DEVICE (Pa_GetDefaultInputDevice()) +#define OUTPUT_DEVICE (Pa_GetDefaultOutputDevice()) + +static PaError TestConfiguration( WireConfig_t *config ); + +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 ) +{ + INPUT_SAMPLE *in; + OUTPUT_SAMPLE *out; + int inStride; + int outStride; + + int inDone = 0; + int outDone = 0; + WireConfig_t *config = (WireConfig_t *) userData; + unsigned int i; + int inChannel, outChannel; + (void) outTime; + + /* This may get called with NULL inputBuffer during initial setup. */ + if( inputBuffer == NULL) return 0; + + inChannel=0, outChannel=0; + while( !(inDone && outDone) ) + { + if( config->isInputInterleaved ) + { + in = ((INPUT_SAMPLE*)inputBuffer) + inChannel; + inStride = config->numInputChannels; + } + else + { + in = ((INPUT_SAMPLE**)inputBuffer)[inChannel]; + inStride = 1; + } + + if( config->isOutputInterleaved ) + { + out = ((OUTPUT_SAMPLE*)outputBuffer) + outChannel; + outStride = config->numOutputChannels; + } + else + { + out = ((OUTPUT_SAMPLE**)outputBuffer)[outChannel]; + outStride = 1; + } + + for( i=0; inumInputChannels - 1)) inChannel++; + else inDone = 1; + if(outChannel < (config->numOutputChannels - 1)) outChannel++; + else outDone = 1; + } + return 0; +} + +/*******************************************************************/ +int main(void); +int main(void) +{ + PaError err; + WireConfig_t CONFIG; + WireConfig_t *config = &CONFIG; + int configIndex = 0;; + + err = Pa_Initialize(); + if( err != paNoError ) goto error; + + printf("Please connect audio signal to input and listen for it on output!\n"); + printf("input format = %d\n", INPUT_FORMAT ); + printf("output format = %d\n", OUTPUT_FORMAT ); + printf("input device ID = %d\n", INPUT_DEVICE ); + printf("output device ID = %d\n", OUTPUT_DEVICE ); + + if( INPUT_FORMAT == OUTPUT_FORMAT ) + { + gInOutScaler = 1.0; + } + else if( (INPUT_FORMAT == paInt16) && (OUTPUT_FORMAT == paFloat32) ) + { + gInOutScaler = 1.0/32768.0; + } + else if( (INPUT_FORMAT == paFloat32) && (OUTPUT_FORMAT == paInt16) ) + { + gInOutScaler = 32768.0; + } + + for( config->isInputInterleaved = 0; config->isInputInterleaved < 2; config->isInputInterleaved++ ) + { + for( config->isOutputInterleaved = 0; config->isOutputInterleaved < 2; config->isOutputInterleaved++ ) + { + for( config->numInputChannels = 1; config->numInputChannels < 3; config->numInputChannels++ ) + { + for( config->numOutputChannels = 1; config->numOutputChannels < 3; config->numOutputChannels++ ) + { + for( config->framesPerCallback = 0; config->framesPerCallback < 65; config->framesPerCallback += 64 ) + { + printf("-----------------------------------------------\n" ); + printf("Configuration #%d\n", configIndex++ ); + err = TestConfiguration( config ); + // give user a chance to bail out + if( err == 1 ) + { + err = paNoError; + goto done; + } + else if( err != paNoError ) goto error; + } + } + } + } + } + +done: + Pa_Terminate(); + + printf("Full duplex sound test complete.\n"); fflush(stdout); + + printf("Hit ENTER to quit.\n"); fflush(stdout); + getchar(); + + 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 ) ); + printf("Hit ENTER to quit.\n"); fflush(stdout); + getchar(); + return -1; +} + +static PaError TestConfiguration( WireConfig_t *config ) +{ + int c; + PaError err; + PaStream *stream; + printf("input %sinterleaved!\n", (config->isInputInterleaved ? " " : "NOT ") ); + printf("output %sinterleaved!\n", (config->isOutputInterleaved ? " " : "NOT ") ); + printf("input channels = %d\n", config->numInputChannels ); + printf("output channels = %d\n", config->numOutputChannels ); + printf("framesPerCallback = %d\n", config->framesPerCallback ); + + err = Pa_OpenStream( + &stream, + INPUT_DEVICE, + config->numInputChannels, + INPUT_FORMAT | (config->isInputInterleaved ? 0 : paNonInterleaved), + INPUT_LATENCY_FRAMES, /* input latency */ + NULL, + OUTPUT_DEVICE, + config->numOutputChannels, + OUTPUT_FORMAT | (config->isOutputInterleaved ? 0 : paNonInterleaved), + OUTPUT_LATENCY_FRAMES, /* output latency */ + NULL, + SAMPLE_RATE, + config->framesPerCallback, /* frames per buffer */ + paClipOff, /* we won't output out of range samples so don't bother clipping them */ + wireCallback, + config ); /* user data */ + if( err != paNoError ) goto error; + + err = Pa_StartStream( stream ); + if( err != paNoError ) goto error; + + printf("Hit ENTER for next configuration, or 'q' to quit.\n"); fflush(stdout); + c = getchar(); + + printf("Closing stream.\n"); + err = Pa_CloseStream( stream ); + if( err != paNoError ) goto error; + + if( c == 'q' ) return 1; + +error: + return err; +} -- cgit v1.2.1