summaryrefslogtreecommitdiff
path: root/portaudio/test/patest_read_record.c
diff options
context:
space:
mode:
Diffstat (limited to 'portaudio/test/patest_read_record.c')
-rw-r--r--portaudio/test/patest_read_record.c243
1 files changed, 0 insertions, 243 deletions
diff --git a/portaudio/test/patest_read_record.c b/portaudio/test/patest_read_record.c
deleted file mode 100644
index bd9c7fe..0000000
--- a/portaudio/test/patest_read_record.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/** @file patest_read_record.c
- @ingroup test_src
- @brief Record input into an array; Save array to a file; Playback recorded
- data. Implemented using the blocking API (Pa_ReadStream(), Pa_WriteStream() )
- @author Phil Burk http://www.softsynth.com
- @author Ross Bencina rossb@audiomulch.com
-*/
-/*
- * $Id$
- *
- * 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.
- *
- * 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.
- */
-
-/*
- * The text above constitutes the entire PortAudio license; however,
- * the PortAudio community also makes the following non-binding requests:
- *
- * 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. It is also
- * requested that these non-binding requests be included along with the
- * license above.
- */
-
-#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 FRAMES_PER_BUFFER (1024)
-#define NUM_SECONDS (5)
-#define NUM_CHANNELS (2)
-/* #define DITHER_FLAG (paDitherOff) */
-#define DITHER_FLAG (0) /**/
-
-/* Select sample format. */
-#if 1
-#define PA_SAMPLE_TYPE paFloat32
-typedef float SAMPLE;
-#define SAMPLE_SILENCE (0.0f)
-#define PRINTF_S_FORMAT "%.8f"
-#elif 1
-#define PA_SAMPLE_TYPE paInt16
-typedef short SAMPLE;
-#define SAMPLE_SILENCE (0)
-#define PRINTF_S_FORMAT "%d"
-#elif 0
-#define PA_SAMPLE_TYPE paInt8
-typedef char SAMPLE;
-#define SAMPLE_SILENCE (0)
-#define PRINTF_S_FORMAT "%d"
-#else
-#define PA_SAMPLE_TYPE paUInt8
-typedef unsigned char SAMPLE;
-#define SAMPLE_SILENCE (128)
-#define PRINTF_S_FORMAT "%d"
-#endif
-
-
-/*******************************************************************/
-int main(void);
-int main(void)
-{
- PaStreamParameters inputParameters, outputParameters;
- PaStream *stream;
- PaError err;
- SAMPLE *recordedSamples;
- int i;
- int totalFrames;
- int numSamples;
- int numBytes;
- SAMPLE max, average, val;
-
-
- printf("patest_read_record.c\n"); fflush(stdout);
-
- totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
- numSamples = totalFrames * NUM_CHANNELS;
-
- numBytes = numSamples * sizeof(SAMPLE);
- recordedSamples = (SAMPLE *) malloc( numBytes );
- if( recordedSamples == NULL )
- {
- printf("Could not allocate record array.\n");
- exit(1);
- }
- for( i=0; i<numSamples; i++ ) recordedSamples[i] = 0;
-
- err = Pa_Initialize();
- if( err != paNoError ) goto error;
-
- inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
- if (inputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default input device.\n");
- goto error;
- }
- inputParameters.channelCount = NUM_CHANNELS;
- inputParameters.sampleFormat = PA_SAMPLE_TYPE;
- inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
- inputParameters.hostApiSpecificStreamInfo = NULL;
-
- /* Record some audio. -------------------------------------------- */
- err = Pa_OpenStream(
- &stream,
- &inputParameters,
- NULL, /* &outputParameters, */
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- NULL, /* no callback, use blocking API */
- NULL ); /* no callback, so no callback userData */
- if( err != paNoError ) goto error;
-
- err = Pa_StartStream( stream );
- if( err != paNoError ) goto error;
- printf("Now recording!!\n"); fflush(stdout);
-
- err = Pa_ReadStream( stream, recordedSamples, totalFrames );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
-
- /* Measure maximum peak amplitude. */
- max = 0;
- average = 0;
- for( i=0; i<numSamples; i++ )
- {
- val = recordedSamples[i];
- if( val < 0 ) val = -val; /* ABS */
- if( val > max )
- {
- max = val;
- }
- average += val;
- }
-
- average = average / numSamples;
-
- printf("Sample max amplitude = "PRINTF_S_FORMAT"\n", max );
- printf("Sample average = "PRINTF_S_FORMAT"\n", average );
-/* Was as below. Better choose at compile time because this
- keeps generating compiler-warnings:
- if( PA_SAMPLE_TYPE == paFloat32 )
- {
- printf("sample max amplitude = %f\n", max );
- printf("sample average = %f\n", average );
- }
- else
- {
- printf("sample max amplitude = %d\n", max );
- 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( recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
- fclose( fid );
- printf("Wrote data to 'recorded.raw'\n");
- }
- }
-#endif
-
- /* Playback recorded data. -------------------------------------------- */
-
- outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
- if (outputParameters.device == paNoDevice) {
- fprintf(stderr,"Error: No default output device.\n");
- goto error;
- }
- outputParameters.channelCount = NUM_CHANNELS;
- outputParameters.sampleFormat = PA_SAMPLE_TYPE;
- outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
- outputParameters.hostApiSpecificStreamInfo = NULL;
-
- printf("Begin playback.\n"); fflush(stdout);
- err = Pa_OpenStream(
- &stream,
- NULL, /* no input */
- &outputParameters,
- SAMPLE_RATE,
- FRAMES_PER_BUFFER,
- paClipOff, /* we won't output out of range samples so don't bother clipping them */
- NULL, /* no callback, use blocking API */
- NULL ); /* no callback, so no callback userData */
- 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);
-
- err = Pa_WriteStream( stream, recordedSamples, totalFrames );
- if( err != paNoError ) goto error;
-
- err = Pa_CloseStream( stream );
- if( err != paNoError ) goto error;
- printf("Done.\n"); fflush(stdout);
- }
- free( recordedSamples );
-
- Pa_Terminate();
- return 0;
-
-error:
- Pa_Terminate();
- fprintf( stderr, "An error occurred while using the portaudio stream\n" );
- fprintf( stderr, "Error number: %d\n", err );
- fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
- return -1;
-}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 01:09:42 +0000