289 lines
8.9 KiB
C
289 lines
8.9 KiB
C
|
/** @file patest_callbackstop.c
|
||
|
|
@ingroup test_src
|
||
|
|
@brief Test the paComplete callback result code.
|
||
|
|
@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 <math.h>
|
||
|
|
#include "portaudio.h"
|
||
|
|
|
||
|
|
#define NUM_SECONDS (5)
|
||
|
|
#define NUM_LOOPS (4)
|
||
|
|
#define SAMPLE_RATE (44100)
|
||
|
|
#define FRAMES_PER_BUFFER (67)
|
||
|
|
|
||
|
|
#ifndef M_PI
|
||
|
|
#define M_PI (3.14159265)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define TABLE_SIZE (200)
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
float sine[TABLE_SIZE];
|
||
|
|
int phase;
|
||
|
|
unsigned long generatedFramesCount;
|
||
|
|
volatile int callbackReturnedPaComplete;
|
||
|
|
volatile int callbackInvokedAfterReturningPaComplete;
|
||
|
|
char message[100];
|
||
|
|
}
|
||
|
|
TestData;
|
||
|
|
|
||
|
|
/*
|
||
|
|
This routine will be called by the PortAudio stream 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 TestCallback( const void *input, void *output,
|
||
|
|
unsigned long frameCount,
|
||
|
|
const PaStreamCallbackTimeInfo* timeInfo,
|
||
|
|
PaStreamCallbackFlags statusFlags,
|
||
|
|
void *userData )
|
||
|
|
{
|
||
|
|
TestData *data = (TestData*)userData;
|
||
|
|
float *out = (float*)output;
|
||
|
|
unsigned long i;
|
||
|
|
float x;
|
||
|
|
|
||
|
|
(void) input; /* Prevent unused variable warnings. */
|
||
|
|
(void) timeInfo;
|
||
|
|
(void) statusFlags;
|
||
|
|
|
||
|
|
|
||
|
|
if( data->callbackReturnedPaComplete )
|
||
|
|
data->callbackInvokedAfterReturningPaComplete = 1;
|
||
|
|
|
||
|
|
for( i=0; i<frameCount; i++ )
|
||
|
|
{
|
||
|
|
/* generate tone */
|
||
|
|
|
||
|
|
x = data->sine[ data->phase++ ];
|
||
|
|
if( data->phase >= TABLE_SIZE )
|
||
|
|
data->phase -= TABLE_SIZE;
|
||
|
|
|
||
|
|
*out++ = x; /* left */
|
||
|
|
*out++ = x; /* right */
|
||
|
|
}
|
||
|
|
|
||
|
|
data->generatedFramesCount += frameCount;
|
||
|
|
if( data->generatedFramesCount >= (NUM_SECONDS * SAMPLE_RATE) )
|
||
|
|
{
|
||
|
|
data->callbackReturnedPaComplete = 1;
|
||
|
|
return paComplete;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return paContinue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This routine is called by portaudio when playback is done.
|
||
|
|
*/
|
||
|
|
static void StreamFinished( void* userData )
|
||
|
|
{
|
||
|
|
TestData *data = (TestData *) userData;
|
||
|
|
printf( "Stream Completed: %s\n", data->message );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return paNoError if successful, otherwise a negative error.
|
||
|
|
*/
|
||
|
|
static PaError CheckActiveStopped(PaStream *stream,
|
||
|
|
PaError expectedActive,
|
||
|
|
PaError expectedStopped,
|
||
|
|
int lineNumber)
|
||
|
|
{
|
||
|
|
PaError testResult = paNoError;
|
||
|
|
PaError actualActive = Pa_IsStreamActive(stream);
|
||
|
|
if (expectedActive != actualActive) {
|
||
|
|
printf("ERROR at line %d - active is %d, expected %d\n",
|
||
|
|
lineNumber, actualActive, expectedActive);
|
||
|
|
testResult = (actualActive < 0) ? actualActive : paInternalError;
|
||
|
|
}
|
||
|
|
PaError actualStopped = Pa_IsStreamStopped(stream);
|
||
|
|
if (expectedStopped != actualStopped) {
|
||
|
|
printf("ERROR at line %d - stopped is %d, expected %d\n",
|
||
|
|
lineNumber, actualStopped, expectedStopped);
|
||
|
|
testResult = (actualStopped < 0) ? actualStopped : paInternalError;
|
||
|
|
}
|
||
|
|
return testResult;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*----------------------------------------------------------------------------*/
|
||
|
|
int main(void);
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
PaStreamParameters outputParameters;
|
||
|
|
PaStream *stream = NULL;
|
||
|
|
PaError err;
|
||
|
|
TestData data;
|
||
|
|
int i, j;
|
||
|
|
|
||
|
|
|
||
|
|
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. );
|
||
|
|
}
|
||
|
|
|
||
|
|
err = Pa_Initialize();
|
||
|
|
if( err != paNoError ) goto error;
|
||
|
|
|
||
|
|
outputParameters.device = Pa_GetDefaultOutputDevice();
|
||
|
|
if (outputParameters.device == paNoDevice) {
|
||
|
|
fprintf(stderr,"Error: No default output device.\n");
|
||
|
|
goto error;
|
||
|
|
}
|
||
|
|
outputParameters.channelCount = 2; /* stereo output */
|
||
|
|
outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
|
||
|
|
outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
|
||
|
|
outputParameters.hostApiSpecificStreamInfo = NULL;
|
||
|
|
|
||
|
|
err = Pa_OpenStream(
|
||
|
|
&stream,
|
||
|
|
NULL, /* no input */
|
||
|
|
&outputParameters,
|
||
|
|
SAMPLE_RATE,
|
||
|
|
FRAMES_PER_BUFFER,
|
||
|
|
paClipOff, /* output will be in-range, so no need to clip */
|
||
|
|
TestCallback,
|
||
|
|
&data );
|
||
|
|
if( err != paNoError ) goto error;
|
||
|
|
|
||
|
|
sprintf( data.message, "Loop: XX" );
|
||
|
|
err = Pa_SetStreamFinishedCallback( stream, &StreamFinished );
|
||
|
|
if( err != paNoError ) goto error;
|
||
|
|
|
||
|
|
|
||
|
|
printf("Repeating test %d times.\n", NUM_LOOPS );
|
||
|
|
|
||
|
|
for( i=0; i < NUM_LOOPS; ++i )
|
||
|
|
{
|
||
|
|
data.phase = 0;
|
||
|
|
data.generatedFramesCount = 0;
|
||
|
|
data.callbackReturnedPaComplete = 0;
|
||
|
|
data.callbackInvokedAfterReturningPaComplete = 0;
|
||
|
|
sprintf( data.message, "Loop: %d", i );
|
||
|
|
|
||
|
|
if( (err = CheckActiveStopped(stream, 0, 1, __LINE__)) < 0 ) goto error;
|
||
|
|
|
||
|
|
err = Pa_StartStream( stream );
|
||
|
|
if( err != paNoError ) goto error;
|
||
|
|
|
||
|
|
if( (err = CheckActiveStopped(stream, 1, 0, __LINE__)) < 0 ) goto error;
|
||
|
|
|
||
|
|
printf("Play for %d seconds.\n", NUM_SECONDS );
|
||
|
|
|
||
|
|
/* wait for the callback to complete generating NUM_SECONDS of tone */
|
||
|
|
|
||
|
|
do
|
||
|
|
{
|
||
|
|
Pa_Sleep( 500 );
|
||
|
|
}
|
||
|
|
while( !data.callbackReturnedPaComplete );
|
||
|
|
|
||
|
|
printf( "Callback returned paComplete.\n" );
|
||
|
|
printf( "Waiting for buffers to finish playing...\n" );
|
||
|
|
|
||
|
|
/* wait for stream to become inactive,
|
||
|
|
or for a timeout of approximately NUM_SECONDS
|
||
|
|
*/
|
||
|
|
|
||
|
|
j = 0;
|
||
|
|
while( (err = Pa_IsStreamActive( stream )) == 1 && j < NUM_SECONDS * 2 )
|
||
|
|
{
|
||
|
|
printf(".\n" );
|
||
|
|
Pa_Sleep( 500 );
|
||
|
|
++j;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( err < 0 )
|
||
|
|
{
|
||
|
|
goto error;
|
||
|
|
}
|
||
|
|
else if( err == 1 )
|
||
|
|
{
|
||
|
|
printf( "TEST FAILED: Timed out waiting for buffers to finish playing.\n" );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
printf("Buffers finished.\n" );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( data.callbackInvokedAfterReturningPaComplete )
|
||
|
|
{
|
||
|
|
printf( "TEST FAILED: Callback was invoked after returning paComplete.\n" );
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Stream should not be "stopped" until Pa_StopStream() called. */
|
||
|
|
if( (err = CheckActiveStopped(stream, 0, 0, __LINE__)) < 0 ) goto error;
|
||
|
|
|
||
|
|
err = Pa_StopStream( stream );
|
||
|
|
if( err != paNoError ) goto error;
|
||
|
|
|
||
|
|
if( (err = CheckActiveStopped(stream, 0, 1, __LINE__)) < 0 ) goto error;
|
||
|
|
|
||
|
|
printf( "sleeping for 1 second...\n" );
|
||
|
|
Pa_Sleep( 1000 );
|
||
|
|
}
|
||
|
|
|
||
|
|
err = Pa_CloseStream( stream );
|
||
|
|
if( err != paNoError ) goto error;
|
||
|
|
|
||
|
|
Pa_Terminate();
|
||
|
|
printf("Test finished.\n");
|
||
|
|
|
||
|
|
return err;
|
||
|
|
error:
|
||
|
|
if( stream != NULL )
|
||
|
|
{
|
||
|
|
Pa_CloseStream( stream );
|
||
|
|
}
|
||
|
|
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 err;
|
||
|
|
}
|