From fe8aa4ce5e8eebc1c6f762f4fc40328718a13e22 Mon Sep 17 00:00:00 2001 From: Miller Puckette Date: Sat, 31 Dec 2005 01:32:12 +0000 Subject: Deleted unused (?) files svn path=/trunk/; revision=4318 --- pd/portaudio_v18/pa_tests/debug_sine.c | 201 --------------------------------- 1 file changed, 201 deletions(-) delete mode 100644 pd/portaudio_v18/pa_tests/debug_sine.c (limited to 'pd/portaudio_v18/pa_tests/debug_sine.c') diff --git a/pd/portaudio_v18/pa_tests/debug_sine.c b/pd/portaudio_v18/pa_tests/debug_sine.c deleted file mode 100644 index c6e4bbbf..00000000 --- a/pd/portaudio_v18/pa_tests/debug_sine.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * $Id: debug_sine.c,v 1.2.4.2 2003/03/06 06:09:20 philburk Exp $ - * debug_sine.c - * Play a sine sweep using the Portable Audio api for several seconds. - * Hacked test for debugging PA. - * - * Author: Phil Burk - * - * 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 OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID()) -//#define OUTPUT_DEVICE (11) -#define NUM_SECONDS (8) -#define SLEEP_DUR (800) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (256) - -#define MSEC_PER_BUFFER (1000 * FRAMES_PER_BUFFER / SAMPLE_RATE) - -#if 0 -#define MIN_LATENCY_MSEC (200) -#define NUM_BUFFERS ((MIN_LATENCY_MSEC * SAMPLE_RATE) / (FRAMES_PER_BUFFER * 1000)) -#else -#define NUM_BUFFERS (0) -#endif - -#define MIN_FREQ (100.0f) -#define MAX_FREQ (4000.0f) -#define FREQ_SCALAR (1.00002f) -#define CalcPhaseIncrement(freq) (freq/SAMPLE_RATE) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (400) -typedef struct -{ - float sine[TABLE_SIZE + 1]; // add one for guard point for interpolation - float phase_increment; - float left_phase; - float right_phase; - unsigned int framesToGo; -} -paTestData; -/* Convert phase between and 1.0 to sine value - * using linear interpolation. - */ -float LookupSine( paTestData *data, float phase ); -float LookupSine( paTestData *data, float phase ) -{ - float fIndex = phase*TABLE_SIZE; - int index = (int) fIndex; - float fract = fIndex - index; - float lo = data->sine[index]; - float hi = data->sine[index+1]; - float val = lo + fract*(hi-lo); - return val; -} -/* 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; - int framesToCalc; - int i; - int finished = 0; - (void) outTime; /* Prevent unused variable warnings. */ - (void) inputBuffer; - - if( data->framesToGo < framesPerBuffer ) - { - framesToCalc = data->framesToGo; - data->framesToGo = 0; - finished = 1; - } - else - { - framesToCalc = framesPerBuffer; - data->framesToGo -= framesPerBuffer; - } - - for( i=0; ileft_phase); /* left */ - *out++ = LookupSine(data, data->right_phase); /* right */ - data->left_phase += data->phase_increment; - if( data->left_phase >= 1.0f ) data->left_phase -= 1.0f; - data->right_phase += (data->phase_increment * 1.5f); /* fifth above */ - if( data->right_phase >= 1.0f ) data->right_phase -= 1.0f; - /* sweep frequency then start over. */ - data->phase_increment *= FREQ_SCALAR; - if( data->phase_increment > CalcPhaseIncrement(MAX_FREQ) ) data->phase_increment = CalcPhaseIncrement(MIN_FREQ); - } - /* zero remainder of final buffer */ - for( ; i<(int)framesPerBuffer; i++ ) - { - *out++ = 0; /* left */ - *out++ = 0; /* right */ - } - // Pa_Sleep( 3 * MSEC_PER_BUFFER / 4 ); - // Pa_Sleep( MSEC_PER_BUFFER / 3 ); - - return finished; -} -/*******************************************************************/ -int main(void); -int main(void) -{ - PortAudioStream *stream; - PaError err; - paTestData data; - int i; - int totalSamps; - printf("PortAudio Test: output sine sweep. ask for %d buffers\n", NUM_BUFFERS ); - printf("MSEC_PER_BUFFER = %d\n", MSEC_PER_BUFFER ); - - /* initialise sinusoidal wavetable */ - for( i=0; i