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https://github.com/saitohirga/WSJT-X.git
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/trunk@249 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
266 lines
8.2 KiB
C
266 lines
8.2 KiB
C
/*
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* $Id$
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* debug_record_reuse.c
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* Record input into an array.
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* Save array to a file.
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* Based on patest_record.c but with various ugly debug hacks thrown in.
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* Loop twice and reuse same streams.
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*
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* Author: Phil Burk http://www.softsynth.com
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*
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* This program uses the PortAudio Portable Audio Library.
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* For more information see: http://www.portaudio.com
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* Copyright (c) 1999-2000 Ross Bencina and Phil Burk
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <memory.h>
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#include "portaudio.h"
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#define EWS88MT_12_REC (1)
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#define EWS88MT_12_PLAY (10)
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#define SBLIVE_REC (2)
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#define SBLIVE_PLAY (11)
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#if 0
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#define INPUT_DEVICE_ID Pa_GetDefaultInputDeviceID()
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#define OUTPUT_DEVICE_ID Pa_GetDefaultOutputDeviceID()
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#else
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#define INPUT_DEVICE_ID (EWS88MT_12_REC)
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#define OUTPUT_DEVICE_ID (SBLIVE_PLAY)
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#endif
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#define INPUT_SAMPLE_RATE (22050.0)
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#define OUTPUT_SAMPLE_RATE (22050.0)
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#define NUM_SECONDS (4)
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#define SLEEP_DUR_MSEC (1000)
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#define FRAMES_PER_BUFFER (64)
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#define NUM_REC_BUFS (0)
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#define SAMPLES_PER_FRAME (2)
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#define PA_SAMPLE_TYPE paInt16
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typedef short SAMPLE;
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typedef struct
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{
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long frameIndex; /* Index into sample array. */
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}
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paTestData;
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/* This routine will be called by the PortAudio engine when audio is needed.
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** It may be called at interrupt level on some machines so don't do anything
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** that could mess up the system like calling malloc() or free().
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*/
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static int recordCallback( void *inputBuffer, void *outputBuffer,
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unsigned long framesPerBuffer,
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PaTimestamp outTime, void *userData )
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{
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paTestData *data = (paTestData *) userData;
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(void) outputBuffer; /* Prevent unused variable warnings. */
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(void) outTime;
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if( inputBuffer != NULL )
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{
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data->frameIndex += framesPerBuffer;
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}
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return 0;
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}
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/* This routine will be called by the PortAudio engine when audio is needed.
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** It may be called at interrupt level on some machines so don't do anything
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** that could mess up the system like calling malloc() or free().
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*/
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static int playCallback( void *inputBuffer, void *outputBuffer,
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unsigned long framesPerBuffer,
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PaTimestamp outTime, void *userData )
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{
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paTestData *data = (paTestData *) userData;
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(void) inputBuffer; /* Prevent unused variable warnings. */
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(void) outTime;
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if( outputBuffer != NULL )
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{
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data->frameIndex += framesPerBuffer;
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}
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return 0;
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}
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/****************************************************************/
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PaError MeasureStreamRate( PortAudioStream *stream, paTestData *dataPtr, double *ratePtr )
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{
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PaError err;
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int i;
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int totalFrames = 0;
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int totalMSec = 0;
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dataPtr->frameIndex = 0;
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err = Pa_StartStream( stream );
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if( err != paNoError ) goto error;
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for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
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{
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int delta, endIndex;
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int startIndex = dataPtr->frameIndex;
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Pa_Sleep(SLEEP_DUR_MSEC);
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endIndex = dataPtr->frameIndex;
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delta = endIndex - startIndex;
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totalFrames += delta;
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totalMSec += SLEEP_DUR_MSEC;
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printf("index = %d, delta = %d\n", endIndex, delta ); fflush(stdout);
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}
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err = Pa_StopStream( stream );
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if( err != paNoError ) goto error;
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*ratePtr = (totalFrames * 1000.0) / totalMSec;
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error:
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return err;
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}
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void ReportRate( double measuredRate, double expectedRate )
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{
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double error;
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error = (measuredRate - expectedRate) / expectedRate;
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error = (error < 0 ) ? -error : error;
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printf("Measured rate = %6.1f, expected rate = %6.1f\n",
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measuredRate, expectedRate );
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if( error > 0.1 )
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{
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printf("ERROR: unexpected rate! --------------------- ERROR!\n");
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}
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else
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{
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printf("SUCCESS: rate within tolerance!\n");
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}
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}
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/*******************************************************************/
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int main(void);
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int main(void)
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{
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PaError err;
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paTestData data = { 0 };
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long i;
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double rate;
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const PaDeviceInfo *pdi;
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PortAudioStream *outputStream;
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PortAudioStream *inputStream;
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err = Pa_Initialize();
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if( err != paNoError ) goto error;
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pdi = Pa_GetDeviceInfo( INPUT_DEVICE_ID );
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printf("Input device = %s\n", pdi->name );
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pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE_ID );
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printf("Output device = %s\n", pdi->name );
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/* Open input stream. */
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err = Pa_OpenStream(
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&inputStream,
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INPUT_DEVICE_ID,
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SAMPLES_PER_FRAME, /* stereo input */
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PA_SAMPLE_TYPE,
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NULL,
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paNoDevice,
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0,
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PA_SAMPLE_TYPE,
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NULL,
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INPUT_SAMPLE_RATE,
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FRAMES_PER_BUFFER, /* frames per buffer */
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NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
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paClipOff, /* we won't output out of range samples so don't bother clipping them */
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recordCallback,
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&data );
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if( err != paNoError ) goto error;
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err = Pa_OpenStream(
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&outputStream,
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paNoDevice,
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0, /* NO input */
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PA_SAMPLE_TYPE,
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NULL,
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OUTPUT_DEVICE_ID,
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SAMPLES_PER_FRAME, /* stereo output */
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PA_SAMPLE_TYPE,
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NULL,
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OUTPUT_SAMPLE_RATE,
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FRAMES_PER_BUFFER, /* frames per buffer */
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0, /* number of buffers, if zero then use default minimum */
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paClipOff, /* we won't output out of range samples so don't bother clipping them */
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playCallback,
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&data );
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if( err != paNoError ) goto error;
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/* Record and playback multiple times. */
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for( i=0; i<2; i++ )
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{
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printf("Measuring INPUT ------------------------- \n");
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err = MeasureStreamRate( inputStream, &data, &rate );
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if( err != paNoError ) goto error;
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ReportRate( rate, INPUT_SAMPLE_RATE );
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printf("Measuring OUTPUT ------------------------- \n");
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err = MeasureStreamRate( outputStream, &data, &rate );
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if( err != paNoError ) goto error;
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ReportRate( rate, OUTPUT_SAMPLE_RATE );
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}
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/* Clean up. */
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err = Pa_CloseStream( inputStream );
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if( err != paNoError ) goto error;
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err = Pa_CloseStream( outputStream );
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if( err != paNoError ) goto error;
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if( err != paNoError ) goto error;
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Pa_Terminate();
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printf("Test complete.\n"); fflush(stdout);
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return 0;
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error:
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Pa_Terminate();
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fprintf( stderr, "An error occured while using the portaudio stream\n" );
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fprintf( stderr, "Error number: %d\n", err );
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fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
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if( err == paHostError )
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{
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fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
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}
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return -1;
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}
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