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Diffstat (limited to 'pd/portaudio_v18/pa_tests/patest_sine_formats.c')
-rw-r--r--pd/portaudio_v18/pa_tests/patest_sine_formats.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/pd/portaudio_v18/pa_tests/patest_sine_formats.c b/pd/portaudio_v18/pa_tests/patest_sine_formats.c
deleted file mode 100644
index 6be0708b..00000000
--- a/pd/portaudio_v18/pa_tests/patest_sine_formats.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * $Id: patest_sine_formats.c,v 1.2.4.2 2003/02/12 01:39:29 philburk Exp $
- * patest_sine_formats.c
- * Play a sine wave using the Portable Audio api for several seconds.
- * Test various data formats.
- *
- * Author: 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 <stdio.h>
-#include <math.h>
-#include "portaudio.h"
-
-#define NUM_SECONDS (5)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (512)
-#define LEFT_FREQ ((2 * SAMPLE_RATE)/FRAMES_PER_BUFFER) /* So we hit 1.0 */
-#define RIGHT_FREQ (500.0)
-#define AMPLITUDE (0.9)
-
-/* Select ONE format for testing. */
-#define TEST_UINT8 (0)
-#define TEST_INT8 (0)
-#define TEST_INT16 (0)
-#define TEST_INT32 (1)
-#define TEST_FLOAT32 (0)
-
-#if TEST_UINT8
-#define TEST_FORMAT paUInt8
-typedef unsigned char SAMPLE_t;
-#define SAMPLE_ZERO (0x80)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))
-#define FORMAT_NAME "Unsigned 8 Bit"
-
-#elif TEST_INT8
-#define TEST_FORMAT paInt8
-typedef char SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x)))
-#define FORMAT_NAME "Signed 8 Bit"
-
-#elif TEST_INT16
-#define TEST_FORMAT paInt16
-typedef short SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(32767 * (x)))
-#define FORMAT_NAME "Signed 16 Bit"
-
-#elif TEST_INT32
-#define TEST_FORMAT paInt32
-typedef long SAMPLE_t;
-#define SAMPLE_ZERO (0)
-#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(0x7FFFFFFF * (x)))
-#define FORMAT_NAME "Signed 32 Bit"
-
-#elif TEST_FLOAT32
-#define TEST_FORMAT paFloat32
-typedef float SAMPLE_t;
-#define SAMPLE_ZERO (0.0)
-#define DOUBLE_TO_SAMPLE(x) ((SAMPLE_t)(x))
-#define FORMAT_NAME "Float 32 Bit"
-#endif
-
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-
-
-typedef struct
-{
- double left_phase;
- double right_phase;
- unsigned int framesToGo;
-}
-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;
- SAMPLE_t *out = (SAMPLE_t *)outputBuffer;
- int i;
- int framesToCalc;
- 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; i<framesToCalc; i++ )
- {
- data->left_phase += (LEFT_FREQ / SAMPLE_RATE);
- if( data->left_phase > 1.0) data->left_phase -= 1.0;
- *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->left_phase * M_PI * 2. )));
-
- data->right_phase += (RIGHT_FREQ / SAMPLE_RATE);
- if( data->right_phase > 1.0) data->right_phase -= 1.0;
- *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->right_phase * M_PI * 2. )));
- }
- /* zero remainder of final buffer */
- for( ; i<(int)framesPerBuffer; i++ )
- {
- *out++ = SAMPLE_ZERO; /* left */
- *out++ = SAMPLE_ZERO; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData data;
- int totalSamps;
-
- printf("PortAudio Test: output " FORMAT_NAME "\n");
-
-
- data.left_phase = data.right_phase = 0.0;
- data.framesToGo = 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 */
- TEST_FORMAT,
- NULL,
- Pa_GetDefaultOutputDeviceID(), /* default output device */
- 2, /* stereo output */
- TEST_FORMAT,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- 0, /* 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;
-
- printf("Waiting %d seconds for sound to finish.\n", NUM_SECONDS ); fflush(stdout);
- while( Pa_StreamActive( stream ) ) Pa_Sleep(10);
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- Pa_Terminate();
-
- printf("PortAudio Test Finished: " FORMAT_NAME "\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;
-}
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