diff options
author | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-08-27 23:52:56 -0500 |
commit | a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 (patch) | |
tree | 13bd5bfa15e6fea2a12f176bae79adf9c6fd0933 /portaudio/test/patest_wire.c | |
parent | bde3e4f1bb7b8f8abca0884a7d994ee1c17a66b1 (diff) |
add plibsys
Diffstat (limited to 'portaudio/test/patest_wire.c')
-rw-r--r-- | portaudio/test/patest_wire.c | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/portaudio/test/patest_wire.c b/portaudio/test/patest_wire.c deleted file mode 100644 index f04e6be..0000000 --- a/portaudio/test/patest_wire.c +++ /dev/null @@ -1,331 +0,0 @@ -/** @file patest_wire.c - @ingroup test_src - @brief 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 - - While adapting to V19-API, I excluded configs with framesPerCallback=0 - because of an assert in file pa_common/pa_process.c. Pieter, Oct 9, 2003. - -*/ -/* - * $Id$ - * - * 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 <math.h> -#include "portaudio.h" - -#define SAMPLE_RATE (44100) - -typedef struct WireConfig_s -{ - int isInputInterleaved; - int isOutputInterleaved; - int numInputChannels; - int numOutputChannels; - int framesPerCallback; - /* count status flags */ - int numInputUnderflows; - int numInputOverflows; - int numOutputUnderflows; - int numOutputOverflows; - int numPrimingOutputs; - int numCallbacks; -} WireConfig_t; - -#define USE_FLOAT_INPUT (1) -#define USE_FLOAT_OUTPUT (1) - -/* Latencies set to defaults. */ - -#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( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - 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( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo* timeInfo, - PaStreamCallbackFlags statusFlags, - 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; - - /* This may get called with NULL inputBuffer during initial setup. */ - if( inputBuffer == NULL) return 0; - - /* Count flags */ - if( (statusFlags & paInputUnderflow) != 0 ) config->numInputUnderflows += 1; - if( (statusFlags & paInputOverflow) != 0 ) config->numInputOverflows += 1; - if( (statusFlags & paOutputUnderflow) != 0 ) config->numOutputUnderflows += 1; - if( (statusFlags & paOutputOverflow) != 0 ) config->numOutputOverflows += 1; - if( (statusFlags & paPrimingOutput) != 0 ) config->numPrimingOutputs += 1; - config->numCallbacks += 1; - - 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; i<framesPerBuffer; i++ ) - { - *out = CONVERT_IN_TO_OUT( *in ); - out += outStride; - in += inStride; - } - - if(inChannel < (config->numInputChannels - 1)) inChannel++; - else inDone = 1; - if(outChannel < (config->numOutputChannels - 1)) outChannel++; - else outDone = 1; - } - return 0; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err = paNoError; - 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 = %lu\n", INPUT_FORMAT ); - printf("output format = %lu\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++ ) - { - /* If framesPerCallback = 0, assertion fails in file pa_common/pa_process.c, line 1413: EX. */ - for( config->framesPerCallback = 64; config->framesPerCallback < 129; 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 occurred 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 = paNoError; - PaStream *stream; - PaStreamParameters inputParameters, outputParameters; - - 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 ); - - inputParameters.device = INPUT_DEVICE; /* default input device */ - if (inputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default input device.\n"); - goto error; - } - inputParameters.channelCount = config->numInputChannels; - inputParameters.sampleFormat = INPUT_FORMAT | (config->isInputInterleaved ? 0 : paNonInterleaved); - inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency; - inputParameters.hostApiSpecificStreamInfo = NULL; - - outputParameters.device = OUTPUT_DEVICE; /* default output device */ - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = config->numOutputChannels; - outputParameters.sampleFormat = OUTPUT_FORMAT | (config->isOutputInterleaved ? 0 : paNonInterleaved); - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency; - outputParameters.hostApiSpecificStreamInfo = NULL; - - config->numInputUnderflows = 0; - config->numInputOverflows = 0; - config->numOutputUnderflows = 0; - config->numOutputOverflows = 0; - config->numPrimingOutputs = 0; - config->numCallbacks = 0; - - err = Pa_OpenStream( - &stream, - &inputParameters, - &outputParameters, - SAMPLE_RATE, - config->framesPerCallback, /* frames per buffer */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - wireCallback, - config ); - if( err != paNoError ) goto error; - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Now recording and playing. - 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; - -#define CHECK_FLAG_COUNT(member) \ - if( config->member > 0 ) printf("FLAGS SET: " #member " = %d\n", config->member ); - CHECK_FLAG_COUNT( numInputUnderflows ); - CHECK_FLAG_COUNT( numInputOverflows ); - CHECK_FLAG_COUNT( numOutputUnderflows ); - CHECK_FLAG_COUNT( numOutputOverflows ); - CHECK_FLAG_COUNT( numPrimingOutputs ); - printf("number of callbacks = %d\n", config->numCallbacks ); - - if( c == 'q' ) return 1; - -error: - return err; -} |