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-rw-r--r--pd/portaudio_v18/pa_tests/patest_record.c325
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diff --git a/pd/portaudio_v18/pa_tests/patest_record.c b/pd/portaudio_v18/pa_tests/patest_record.c
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--- a/pd/portaudio_v18/pa_tests/patest_record.c
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@@ -1,325 +0,0 @@
-/*
- * $Id: patest_record.c,v 1.2.4.4 2003/04/16 19:07:56 philburk Exp $
- * patest_record.c
- * Record input into an array.
- * Optionally save array to a file.
- * Playback recorded data.
- *
- * Author: Phil Burk http://www.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 <stdlib.h>
-#include "portaudio.h"
-
-/* #define SAMPLE_RATE (17932) // Test failure to open with this value. */
-#define SAMPLE_RATE (44100)
-#define NUM_SECONDS (5)
-#define NUM_CHANNELS (2)
-/* #define DITHER_FLAG (paDitherOff) */
-#define DITHER_FLAG (0) /**/
-#define FRAMES_PER_BUFFER (1024)
-
-/* Select sample format. */
-#if 1
-#define PA_SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#define SAMPLE_SILENCE (0.0f)
-#elif 0
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#define SAMPLE_SILENCE (0)
-#elif 0
-#define PA_SAMPLE_TYPE paInt8
-typedef char SAMPLE;
-#define SAMPLE_SILENCE (0)
-#else
-#define PA_SAMPLE_TYPE paUInt8
-typedef unsigned char SAMPLE;
-#define SAMPLE_SILENCE (128)
-
-#endif
-
-typedef struct
-{
- int frameIndex; /* Index into sample array. */
- int maxFrameIndex;
- SAMPLE *recordedSamples;
-}
-paTestData;
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be 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 recordCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = (SAMPLE*)inputBuffer;
- SAMPLE *wptr = &data->recordedSamples[data->frameIndex * NUM_CHANNELS];
- long framesToRecord;
- long i;
- int finished;
- unsigned long framesLeft = data->maxFrameIndex - data->frameIndex;
- int samplesToRecord;
-
- (void) outputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
-
- if( framesLeft < framesPerBuffer )
- {
- framesToRecord = framesLeft;
- finished = 1;
- }
- else
- {
- framesToRecord = framesPerBuffer;
- finished = 0;
- }
-
- samplesToRecord = framesToRecord * NUM_CHANNELS;
-
- if( inputBuffer == NULL )
- {
- for( i=0; i<samplesToRecord; i++ )
- {
- *wptr++ = SAMPLE_SILENCE;
- }
- }
- else
- {
- for( i=0; i<samplesToRecord; i++ )
- {
- *wptr++ = *rptr++;
- }
- }
- data->frameIndex += framesToRecord;
- return finished;
-}
-
-/* This routine will be called by the PortAudio engine when audio is needed.
-** It may be 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 playCallback( void *inputBuffer, void *outputBuffer,
- unsigned long framesPerBuffer,
- PaTimestamp outTime, void *userData )
-{
- paTestData *data = (paTestData*)userData;
- SAMPLE *rptr = &data->recordedSamples[data->frameIndex * NUM_CHANNELS];
- SAMPLE *wptr = (SAMPLE*)outputBuffer;
- unsigned int i;
- int finished;
- unsigned int framesLeft = data->maxFrameIndex - data->frameIndex;
- (void) inputBuffer; /* Prevent unused variable warnings. */
- (void) outTime;
- int framesToPlay, samplesToPlay, samplesPerBuffer;
-
- if( framesLeft < framesPerBuffer )
- {
- framesToPlay = framesLeft;
- finished = 1;
- }
- else
- {
- framesToPlay = framesPerBuffer;
- finished = 0;
- }
-
- samplesToPlay = framesToPlay * NUM_CHANNELS;
- samplesPerBuffer = framesPerBuffer * NUM_CHANNELS;
-
- for( i=0; i<samplesToPlay; i++ )
- {
- *wptr++ = *rptr++;
- }
- for( ; i<framesPerBuffer; i++ )
- {
- *wptr++ = 0; /* left */
- if( NUM_CHANNELS == 2 ) *wptr++ = 0; /* right */
- }
- data->frameIndex += framesToPlay;
-
- return finished;
-}
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PortAudioStream *stream;
- PaError err;
- paTestData data;
- int i;
- int totalFrames;
- int numSamples;
- int numBytes;
- SAMPLE max, average, val;
- printf("patest_record.c\n"); fflush(stdout);
-
- data.maxFrameIndex = totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
- data.frameIndex = 0;
- numSamples = totalFrames * NUM_CHANNELS;
-
- numBytes = numSamples * sizeof(SAMPLE);
- data.recordedSamples = (SAMPLE *) malloc( numBytes );
- if( data.recordedSamples == NULL )
- {
- printf("Could not allocate record array.\n");
- exit(1);
- }
- for( i=0; i<numSamples; i++ ) data.recordedSamples[i] = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- /* Record some audio. -------------------------------------------- */
- err = Pa_OpenStream(
- &stream,
- Pa_GetDefaultInputDeviceID(),
- NUM_CHANNELS,
- PA_SAMPLE_TYPE,
- NULL,
- paNoDevice,
- 0,
- PA_SAMPLE_TYPE,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* frames per buffer */
- 0, /* number of buffers, if zero then use default minimum */
- 0, /* paDitherOff, // flags */
- recordCallback,
- &data );
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Now recording!!\n"); fflush(stdout);
-
- while( Pa_StreamActive( stream ) )
- {
- Pa_Sleep(1000);
- printf("index = %d\n", data.frameIndex ); fflush(stdout);
- }
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- /* Measure maximum peak amplitude. */
- max = 0;
- average = 0;
- for( i=0; i<numSamples; i++ )
- {
- val = data.recordedSamples[i];
- if( val < 0 ) val = -val; /* ABS */
- if( val > max )
- {
- max = val;
- }
- average += val;
- }
-
- average = average / numSamples;
-
- if( PA_SAMPLE_TYPE == paFloat32 ) /* This should be done at compile-time with "#if" ?? */
- { /* MIPS-compiler warns at the int-version below. */
- printf("sample max amplitude = %f\n", max );
- printf("sample average = %f\n", average );
- }
- else
- {
- printf("sample max amplitude = %d\n", max ); /* <-- This IS compiled anyhow. */
- printf("sample average = %d\n", average );
- }
-
- /* Write recorded data to a file. */
-#if 0
- {
- FILE *fid;
- fid = fopen("recorded.raw", "wb");
- if( fid == NULL )
- {
- printf("Could not open file.");
- }
- else
- {
- fwrite( data.recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
- fclose( fid );
- printf("Wrote data to 'recorded.raw'\n");
- }
- }
-#endif
-
- /* Playback recorded data. -------------------------------------------- */
- data.frameIndex = 0;
- printf("Begin playback.\n"); fflush(stdout);
- err = Pa_OpenStream(
- &stream,
- paNoDevice,
- 0, /* NO input */
- PA_SAMPLE_TYPE,
- NULL,
- Pa_GetDefaultOutputDeviceID(),
- NUM_CHANNELS,
- PA_SAMPLE_TYPE,
- NULL,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER, /* 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 */
- playCallback,
- &data );
- if( err != paNoError ) goto error;
-
- if( stream )
- {
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Waiting for playback to finish.\n"); fflush(stdout);
-
- while( Pa_StreamActive( stream ) ) Pa_Sleep(100);
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- printf("Done.\n"); fflush(stdout);
- }
- free( data.recordedSamples );
-
- Pa_Terminate();
- return 0;
-
-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 -1;
-}