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Diffstat (limited to 'pd/portaudio_v18/pa_tests/debug_dual.c')
-rw-r--r--pd/portaudio_v18/pa_tests/debug_dual.c183
1 files changed, 0 insertions, 183 deletions
diff --git a/pd/portaudio_v18/pa_tests/debug_dual.c b/pd/portaudio_v18/pa_tests/debug_dual.c
deleted file mode 100644
index bdb3c413..00000000
--- a/pd/portaudio_v18/pa_tests/debug_dual.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * $Id: debug_dual.c,v 1.1.1.1 2002/01/22 00:52:27 phil Exp $
- * debug_dual.c
- * Try to open TWO streams on separate cards.
- * Play a sine sweep using the Portable Audio api for several seconds.
- * Hacked test for debugging PA.
- *
- * 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 DEV_ID_1 (13)
-#define DEV_ID_2 (15)
-#define NUM_SECONDS (8)
-#define SLEEP_DUR (800)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (256)
-#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;
-}
-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;
- unsigned long i;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
-
- for( i=0; i<framesPerBuffer; i++ )
- {
- *out++ = LookupSine(data, data->left_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);
- }
- return 0;
-}
-
-PaError TestStart( PortAudioStream **streamPtr, PaDeviceID devID,
- paTestData *data );
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream1, *stream2;
- PaError err;
- paTestData DATA1, DATA2;
- printf("PortAudio Test: DUAL sine sweep. ask for %d buffers\n", NUM_BUFFERS );
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
- err = TestStart( &stream1, DEV_ID_1, &DATA1 );
- if( err != paNoError ) goto error;
- err = TestStart( &stream2, DEV_ID_2, &DATA2 );
- if( err != paNoError ) goto error;
- printf("Hit ENTER\n");
- getchar();
- err = Pa_StopStream( stream1 );
- if( err != paNoError ) goto error;
- err = Pa_StopStream( stream2 );
- 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;
-}
-PaError TestStart( PortAudioStream **streamPtr, PaDeviceID devID, paTestData *data )
-{
- PortAudioStream *stream;
- PaError err;
- int i;
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- data->sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- data->sine[TABLE_SIZE] = data->sine[0]; // set guard point
- data->left_phase = data->right_phase = 0.0;
- data->phase_increment = CalcPhaseIncrement(MIN_FREQ);
- printf("PortAudio Test: output device = %d\n", devID );
- err = Pa_OpenStream(
- &stream,
- paNoDevice,
- 0, /* no input */
- paFloat32, /* 32 bit floating point input */
- NULL,
- devID,
- 2, /* stereo output */
- paFloat32, /* 32 bit floating point output */
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
- paClipOff|paDitherOff, /* 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;
- *streamPtr = stream;
- return 0;
-error:
- return err;
-}
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