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Diffstat (limited to 'pd/portaudio_v18/pa_tests/patest_sine_time.c')
-rw-r--r--pd/portaudio_v18/pa_tests/patest_sine_time.c205
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diff --git a/pd/portaudio_v18/pa_tests/patest_sine_time.c b/pd/portaudio_v18/pa_tests/patest_sine_time.c
deleted file mode 100644
index e9bc33da..00000000
--- a/pd/portaudio_v18/pa_tests/patest_sine_time.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * $Id: patest_sine_time.c,v 1.2 2002/03/21 00:58:45 philburk Exp $
- * patest_sine_time.c
- * Play a sine wave using the Portable Audio api for several seconds.
- * Pausing in the middle.
- * use the Pa_StreamTime() and Pa_StreamActive() calls.
- *
- * Authors:
- * Ross Bencina <rossb@audiomulch.com>
- * Phil Burk <philburk@softsynth.com>
- *
- * 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 (8)
-#define SAMPLE_RATE (44100)
-#define FRAMES_PER_BUFFER (64)
-#define NUM_BUFFERS (0)
-#ifndef M_PI
-#define M_PI (3.14159265)
-#endif
-#define TABLE_SIZE (200)
-typedef struct
-{
- float sine[TABLE_SIZE];
- int left_phase;
- int right_phase;
- int framesToGo;
- 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;
- int i;
- int framesToCalc;
- int finished = 0;
- (void) outTime; /* Prevent unused variable warnings. */
- (void) inputBuffer;
-
- data->outTime = outTime;
-
- if( data->framesToGo < framesPerBuffer )
- {
- framesToCalc = data->framesToGo;
- data->framesToGo = 0;
- finished = 1;
- }
- else
- {
- framesToCalc = framesPerBuffer;
- data->framesToGo -= framesPerBuffer;
- }
-
- for( i=0; i<framesToCalc; i++ )
- {
- *out++ = data->sine[data->left_phase]; /* left */
- *out++ = data->sine[data->right_phase]; /* right */
- data->left_phase += 1;
- if( data->left_phase >= TABLE_SIZE ) data->left_phase -= TABLE_SIZE;
- data->right_phase += 3; /* higher pitch so we can distinguish left and right. */
- if( data->right_phase >= TABLE_SIZE ) data->right_phase -= TABLE_SIZE;
- }
- /* zero remainder of final buffer */
- for( ; i<(int)framesPerBuffer; i++ )
- {
- *out++ = 0; /* left */
- *out++ = 0; /* right */
- }
- return finished;
-}
-/*******************************************************************/
-static void ReportStreamTime( PortAudioStream *stream, paTestData *data );
-static void ReportStreamTime( PortAudioStream *stream, paTestData *data )
-{
- PaTimestamp streamTime, latency, outTime;
-
- streamTime = Pa_StreamTime( 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)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData DATA;
- int i;
- int totalSamps;
- printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);
- /* initialise sinusoidal wavetable */
- for( i=0; i<TABLE_SIZE; i++ )
- {
- DATA.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
- }
- DATA.left_phase = DATA.right_phase = 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 */
- paFloat32, /* 32 bit floating point input */
- NULL,
- Pa_GetDefaultOutputDeviceID(), /* default 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;
-
- DATA.outTime = -1.0; // mark time for callback as undefined
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
-
- /* Watch until sound is halfway finished. */
- printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout);
- do
- {
- ReportStreamTime( stream, &DATA );
- Pa_Sleep(100);
- } while( Pa_StreamTime( 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_StreamActive( stream ) );
-
- 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;
-}
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