diff options
author | Miller Puckette <millerpuckette@users.sourceforge.net> | 2005-12-31 01:32:12 +0000 |
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committer | Miller Puckette <millerpuckette@users.sourceforge.net> | 2005-12-31 01:32:12 +0000 |
commit | fe8aa4ce5e8eebc1c6f762f4fc40328718a13e22 (patch) | |
tree | 90aabb628eeade33b37c3fe967557ca9b27ead62 /pd/portaudio_v18/pa_tests/patest_stop.c | |
parent | 65a1b98552d7c6a93aedfb7c9b5d83f9038227cb (diff) |
Deleted unused (?) files
svn path=/trunk/; revision=4318
Diffstat (limited to 'pd/portaudio_v18/pa_tests/patest_stop.c')
-rw-r--r-- | pd/portaudio_v18/pa_tests/patest_stop.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/pd/portaudio_v18/pa_tests/patest_stop.c b/pd/portaudio_v18/pa_tests/patest_stop.c deleted file mode 100644 index 2fd9895c..00000000 --- a/pd/portaudio_v18/pa_tests/patest_stop.c +++ /dev/null @@ -1,285 +0,0 @@ -/* - * $Id: patest_stop.c,v 1.1.1.1 2002/01/22 00:52:39 phil Exp $ - * patest_stop.c - * - * Test the three ways of stopping audio: - * calling Pa_StopStream(), - * calling Pa_AbortStream(), - * and returning a 1 from the callback function. - * - * A long latency is set up so that you can hear the difference. - * Then a simple 8 note sequence is repeated twice. - * The program will print what you should hear. - * - * Author: Phil Burk <philburk@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 <stdio.h> -#include <math.h> -#include "portaudio.h" -#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID()) -#define SLEEP_DUR (200) -#define SAMPLE_RATE (44100) -#define FRAMES_PER_BUFFER (256) -#define LATENCY_MSEC (3000) -#define NUM_BUFFERS ((LATENCY_MSEC * SAMPLE_RATE) / (FRAMES_PER_BUFFER * 1000)) -#define FRAMES_PER_NOTE (SAMPLE_RATE/2) -#define MAX_REPEATS (2) -#define FUNDAMENTAL (400.0f / SAMPLE_RATE) -#define NOTE_0 (FUNDAMENTAL * 1.0f / 1.0f) -#define NOTE_1 (FUNDAMENTAL * 5.0f / 4.0f) -#define NOTE_2 (FUNDAMENTAL * 4.0f / 3.0f) -#define NOTE_3 (FUNDAMENTAL * 3.0f / 2.0f) -#define NOTE_4 (FUNDAMENTAL * 2.0f / 1.0f) -#define MODE_FINISH (0) -#define MODE_STOP (1) -#define MODE_ABORT (2) -#ifndef M_PI -#define M_PI (3.14159265) -#endif -#define TABLE_SIZE (400) -typedef struct -{ - float waveform[TABLE_SIZE + 1]; // add one for guard point for interpolation - float phase_increment; - float phase; - float *tune; - int notesPerTune; - int frameCounter; - int noteCounter; - int repeatCounter; - PaTimestamp outTime; - int stopMode; - int done; -} -paTestData; -/************* Prototypes *****************************/ -int TestStopMode( paTestData *data ); -float LookupWaveform( paTestData *data, float phase ); -/****************************************************** - * Convert phase between 0.0 and 1.0 to waveform value - * using linear interpolation. - */ -float LookupWaveform( paTestData *data, float phase ) -{ - float fIndex = phase*TABLE_SIZE; - int index = (int) fIndex; - float fract = fIndex - index; - float lo = data->waveform[index]; - float hi = data->waveform[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; - float value; - unsigned int i = 0; - int finished = 0; - (void) outTime; /* Prevent unused variable warnings. */ - (void) inputBuffer; - - data->outTime = outTime; - if( !data->done ) - { - for( i=0; i<framesPerBuffer; i++ ) - { - /* Are we done with this note? */ - if( data->frameCounter >= FRAMES_PER_NOTE ) - { - data->noteCounter += 1; - data->frameCounter = 0; - /* Are we done with this tune? */ - if( data->noteCounter >= data->notesPerTune ) - { - data->noteCounter = 0; - data->repeatCounter += 1; - /* Are we totally done? */ - if( data->repeatCounter >= MAX_REPEATS ) - { - data->done = 1; - if( data->stopMode == MODE_FINISH ) - { - finished = 1; - break; - } - } - } - data->phase_increment = data->tune[data->noteCounter]; - } - value = LookupWaveform(data, data->phase); - *out++ = value; /* left */ - *out++ = value; /* right */ - data->phase += data->phase_increment; - if( data->phase >= 1.0f ) data->phase -= 1.0f; - - data->frameCounter += 1; - } - } - /* zero remainder of final buffer */ - for( ; i<framesPerBuffer; i++ ) - { - *out++ = 0; /* left */ - *out++ = 0; /* right */ - } - return finished; -} -/*******************************************************************/ -int main(void); -int main(void) -{ - paTestData DATA; - int i; - float simpleTune[] = { NOTE_0, NOTE_1, NOTE_2, NOTE_3, NOTE_4, NOTE_3, NOTE_2, NOTE_1 }; - printf("PortAudio Test: play song and test stopping. ask for %d buffers\n", NUM_BUFFERS ); - /* initialise sinusoidal wavetable */ - for( i=0; i<TABLE_SIZE; i++ ) - { - DATA.waveform[i] = (float) ( - (0.2 * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. )) + - (0.2 * sin( ((double)(3*i)/(double)TABLE_SIZE) * M_PI * 2. )) + - (0.1 * sin( ((double)(5*i)/(double)TABLE_SIZE) * M_PI * 2. )) - ); - } - DATA.waveform[TABLE_SIZE] = DATA.waveform[0]; // set guard point - DATA.tune = &simpleTune[0]; - DATA.notesPerTune = sizeof(simpleTune) / sizeof(float); - printf("Test MODE_FINISH - callback returns 1.\n"); - printf("Should hear entire %d note tune repeated twice.\n", DATA.notesPerTune); - DATA.stopMode = MODE_FINISH; - if( TestStopMode( &DATA ) != paNoError ) - { - printf("Test of MODE_FINISH failed!\n"); - goto error; - } - printf("Test MODE_STOP - stop when song is done.\n"); - printf("Should hear entire %d note tune repeated twice.\n", DATA.notesPerTune); - DATA.stopMode = MODE_STOP; - if( TestStopMode( &DATA ) != paNoError ) - { - printf("Test of MODE_STOP failed!\n"); - goto error; - } - - printf("Test MODE_ABORT - abort immediately.\n"); - printf("Should hear last repetition cut short by %d msec.\n", LATENCY_MSEC); - DATA.stopMode = MODE_ABORT; - if( TestStopMode( &DATA ) != paNoError ) - { - printf("Test of MODE_ABORT failed!\n"); - goto error; - } - return 0; -error: - return 1; -} - -int TestStopMode( paTestData *data ) -{ - PortAudioStream *stream; - PaError err; - data->done = 0; - data->phase = 0.0; - data->frameCounter = 0; - data->noteCounter = 0; - data->repeatCounter = 0; - data->phase_increment = data->tune[data->noteCounter]; - 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 */ - NULL, - OUTPUT_DEVICE, - 2, /* stereo output */ - paFloat32, /* 32 bit floating point output */ - NULL, - SAMPLE_RATE, - FRAMES_PER_BUFFER, /* frames per buffer */ - NUM_BUFFERS, /* number of buffers, if zero then use default minimum */ - paClipOff, /* 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; - if( data->stopMode == MODE_FINISH ) - { - while( Pa_StreamActive( stream ) ) - { - /*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime, - data->noteCounter, data->repeatCounter ); - fflush(stdout); /**/ - Pa_Sleep( SLEEP_DUR ); - } - } - else - { - while( data->repeatCounter < MAX_REPEATS ) - { - /*printf("outTime = %g, note# = %d, repeat# = %d\n", data->outTime, - data->noteCounter, data->repeatCounter ); - fflush(stdout); /**/ - Pa_Sleep( SLEEP_DUR ); - } - } - if( data->stopMode == MODE_ABORT ) - { - printf("Call Pa_AbortStream()\n"); - err = Pa_AbortStream( stream ); - } - else - { - printf("Call Pa_StopStream()\n"); - err = Pa_StopStream( stream ); - } - if( err != paNoError ) goto error; - printf("Call Pa_CloseStream()\n"); fflush(stdout); - 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; -} |