From a4dd0ad63c00f4dee3b86dfd3075d1d61b2b3180 Mon Sep 17 00:00:00 2001 From: sanine Date: Sat, 27 Aug 2022 23:52:56 -0500 Subject: add plibsys --- portaudio/test/patest_prime.c | 234 ------------------------------------------ 1 file changed, 234 deletions(-) delete mode 100644 portaudio/test/patest_prime.c (limited to 'portaudio/test/patest_prime.c') diff --git a/portaudio/test/patest_prime.c b/portaudio/test/patest_prime.c deleted file mode 100644 index e943310..0000000 --- a/portaudio/test/patest_prime.c +++ /dev/null @@ -1,234 +0,0 @@ -/** @file patest_prime.c - @ingroup test_src - @brief Test stream priming mode. - @author Ross Bencina http://www.audiomulch.com/~rossb -*/ - -/* - * $Id$ - * - * 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 -#include -#include "portaudio.h" -#include "pa_util.h" - -#define NUM_BEEPS (3) -#define SAMPLE_RATE (44100) -#define SAMPLE_PERIOD (1.0/44100.0) -#define FRAMES_PER_BUFFER (256) -#define BEEP_DURATION (400) -#define IDLE_DURATION (SAMPLE_RATE*2) /* 2 seconds */ -#define SLEEP_MSEC (50) - -#define STATE_BKG_IDLE (0) -#define STATE_BKG_BEEPING (1) - -typedef struct -{ - float leftPhase; - float rightPhase; - int state; - int beepCountdown; - int idleCountdown; -} -paTestData; - -static void InitializeTestData( paTestData *testData ) -{ - testData->leftPhase = 0; - testData->rightPhase = 0; - testData->state = STATE_BKG_BEEPING; - testData->beepCountdown = BEEP_DURATION; - testData->idleCountdown = IDLE_DURATION; -} - -/* This routine will be called by the PortAudio engine when audio is needed. -** It may 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 patestCallback( const void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - const PaStreamCallbackTimeInfo *timeInfo, - PaStreamCallbackFlags statusFlags, void *userData ) -{ - /* Cast data passed through stream to our structure. */ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - int result = paContinue; - - /* suppress unused parameter warnings */ - (void) inputBuffer; - (void) timeInfo; - (void) statusFlags; - - for( i=0; istate ) - { - case STATE_BKG_IDLE: - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - --data->idleCountdown; - - if( data->idleCountdown <= 0 ) result = paComplete; - break; - - case STATE_BKG_BEEPING: - if( data->beepCountdown <= 0 ) - { - data->state = STATE_BKG_IDLE; - *out++ = 0.0; /* left */ - *out++ = 0.0; /* right */ - } - else - { - /* Play sawtooth wave. */ - *out++ = data->leftPhase; /* left */ - *out++ = data->rightPhase; /* right */ - /* Generate simple sawtooth phaser that ranges between -1.0 and 1.0. */ - data->leftPhase += 0.01f; - /* When signal reaches top, drop back down. */ - if( data->leftPhase >= 1.0f ) data->leftPhase -= 2.0f; - /* higher pitch so we can distinguish left and right. */ - data->rightPhase += 0.03f; - if( data->rightPhase >= 1.0f ) data->rightPhase -= 2.0f; - } - --data->beepCountdown; - break; - } - } - - return result; -} - -/*******************************************************************/ -static PaError DoTest( int flags ) -{ - PaStream *stream; - PaError err = paNoError; - paTestData data; - PaStreamParameters outputParameters; - - InitializeTestData( &data ); - - outputParameters.device = Pa_GetDefaultOutputDevice(); - if (outputParameters.device == paNoDevice) { - fprintf(stderr,"Error: No default output device.\n"); - goto error; - } - outputParameters.channelCount = 2; - outputParameters.hostApiSpecificStreamInfo = NULL; - outputParameters.sampleFormat = paFloat32; - outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency; - - /* Open an audio I/O stream. */ - err = Pa_OpenStream( - &stream, - NULL, /* no input */ - &outputParameters, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - paClipOff | flags, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &data ); - if( err != paNoError ) goto error; - - - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("hear \"BEEP\"\n" ); - fflush(stdout); - - while( ( err = Pa_IsStreamActive( stream ) ) == 1 ) Pa_Sleep(SLEEP_MSEC); - if( err < 0 ) goto error; - - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - - return err; -error: - return err; -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaError err = paNoError; - int i; - - /* Initialize library before making any other calls. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - - printf("PortAudio Test: Testing stream playback with no priming.\n"); - printf("PortAudio Test: you should see BEEP before you hear it.\n"); - printf("BEEP %d times.\n", NUM_BEEPS ); - - for( i=0; i< NUM_BEEPS; ++i ) - { - err = DoTest( 0 ); - if( err != paNoError ) - goto error; - } - - printf("PortAudio Test: Testing stream playback with priming.\n"); - printf("PortAudio Test: you should see BEEP around the same time you hear it.\n"); - for( i=0; i< NUM_BEEPS; ++i ) - { - err = DoTest( paPrimeOutputBuffersUsingStreamCallback ); - if( err != paNoError ) - goto error; - } - - printf("Test finished.\n"); - - Pa_Terminate(); - return err; -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 ) ); - return err; -} -- cgit v1.2.1