From 2e416ee0095f1bf608f849f156d564e0f45fb8ab Mon Sep 17 00:00:00 2001 From: Guenter Geiger Date: Mon, 2 Feb 2004 12:18:59 +0000 Subject: merged in version_0_37_1test6 svn path=/trunk/; revision=1305 --- pd/portaudio/pa_tests/patest_sine_time.c | 194 ------------------------------- 1 file changed, 194 deletions(-) delete mode 100644 pd/portaudio/pa_tests/patest_sine_time.c (limited to 'pd/portaudio/pa_tests/patest_sine_time.c') diff --git a/pd/portaudio/pa_tests/patest_sine_time.c b/pd/portaudio/pa_tests/patest_sine_time.c deleted file mode 100644 index c849af0a..00000000 --- a/pd/portaudio/pa_tests/patest_sine_time.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * $Id: patest_sine_time.c,v 1.1.1.1 2003-05-09 16:03:56 ggeiger Exp $ - * patest_sine_time.c - * Play a sine wave using the Portable Audio api for several seconds. - * Pausing in the middle. - * use the Pa_GetStreamTime() and Pa_IsStreamActive() calls. - * - * Authors: - * Ross Bencina - * Phil Burk - * - * This program uses the PortAudio Portable Audio Library. - * For more information see: http://www.audiomulch.com/portaudio/ - * 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" -#include "pa_util.h" -#define NUM_SECONDS (8) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (64) -#define NUM_BUFFERS (0) - -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TWOPI (M_PI * 2.0) - -#define TABLE_SIZE (200) -typedef struct -{ - double left_phase; - double right_phase; - volatile PaTimestamp outTime; -} -paTestData; - -/* 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( void *inputBuffer, void *outputBuffer, - unsigned long framesPerBuffer, - PaTimestamp outTime, void *userData ) -{ - paTestData *data = (paTestData*)userData; - float *out = (float*)outputBuffer; - unsigned int i; - - double left_phaseInc = 0.02; - double right_phaseInc = 0.06; - - double left_phase = data->left_phase; - double right_phase = data->right_phase; - - (void) outTime; /* Prevent unused variable warnings. */ - (void) inputBuffer; - data->outTime = outTime;\ - - for( i=0; i TWOPI ) left_phase -= TWOPI; - *out++ = (float) sin( left_phase ); - - right_phase += right_phaseInc; - if( right_phase > TWOPI ) right_phase -= TWOPI; - *out++ = (float) sin( right_phase ); - } - - data->left_phase = left_phase; - data->right_phase = right_phase; - - return paContinue; -} -/*******************************************************************/ -static void ReportStreamTime( PaStream *stream, paTestData *data ); -static void ReportStreamTime( PaStream *stream, paTestData *data ) -{ - PaTimestamp streamTime, latency, outTime; - - streamTime = Pa_GetStreamTime( stream ); - outTime = data->outTime; - if( outTime < 0.0 ) - { - printf("Stream time = %8.1f\n", streamTime ); - } - else - { - latency = outTime - streamTime; - printf("Stream time = %8.1f, outTime = %8.1f, latency = %8.1f\n", - streamTime, outTime, latency ); - } - fflush(stdout); -} - -/*******************************************************************/ -int main(void); -int main(void) -{ - PaStream *stream; - PaError err; - paTestData DATA; - int totalSamps; - printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER); - DATA.left_phase = DATA.right_phase = 0; - totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ - err = Pa_Initialize(); - if( err != paNoError ) goto error; - err = Pa_OpenStream( - &stream, - paNoDevice,/* default input device */ - 0, /* no input */ - paFloat32, /* 32 bit floating point input */ - 0, /* default latency */ - NULL, - Pa_GetDefaultOutputDevice(), /* default output device */ - 2, /* stereo output */ - paFloat32, /* 32 bit floating point output */ - 0, /* default latency */ - NULL, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - paClipOff, /* we won't output out of range samples so don't bother clipping them */ - patestCallback, - &DATA ); - if( err != paNoError ) goto error; - - /* Watch until sound is halfway finished. */ - printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout); - - DATA.outTime = -1.0; // mark time for callback as undefined - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - do - { - ReportStreamTime( stream, &DATA ); - Pa_Sleep(100); - } while( Pa_GetStreamTime( stream ) < (totalSamps/2) ); - - /* Stop sound until ENTER hit. */ - err = Pa_StopStream( stream ); - if( err != paNoError ) goto error; - printf("Pause for 2 seconds.\n"); fflush(stdout); - Pa_Sleep( 2000 ); - - DATA.outTime = -1.0; // mark time for callback as undefined - err = Pa_StartStream( stream ); - if( err != paNoError ) goto error; - - printf("Play until sound is finished.\n"); fflush(stdout); - do - { - ReportStreamTime( stream, &DATA ); - Pa_Sleep(100); - } while( Pa_GetStreamTime( stream ) < (totalSamps/2) ); - - err = Pa_CloseStream( stream ); - if( err != paNoError ) goto error; - Pa_Terminate(); - printf("Test finished.\n"); - return err; -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 err; -} -- cgit v1.2.1