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/*
* $Id: paqa_errs.c,v 1.1.1.1 2003-05-09 16:03:56 ggeiger Exp $
* paqa_devs.c
* Self Testing Quality Assurance app for PortAudio
* Do lots of bad things to test error reporting.
*
* 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 <math.h>
#include "portaudio.h"
/****************************************** Definitions ***********/
#define MODE_INPUT (0)
#define MODE_OUTPUT (1)
#define FRAMES_PER_BUFFER (64)
#define SAMPLE_RATE (44100.0)
#define NUM_BUFFERS (0)
typedef struct PaQaData
{
unsigned long framesLeft;
int numChannels;
int bytesPerSample;
int mode;
}
PaQaData;
/****************************************** Prototypes ***********/
static void TestDevices( int mode );
static void TestFormats( int mode, PaDeviceID deviceID, double sampleRate,
int numChannels );
static int TestBadOpens( void );
static int TestBadActions( void );
static int QaCallback( void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
PaTimestamp outTime, void *userData );
/****************************************** Globals ***********/
static int gNumPassed = 0;
static int gNumFailed = 0;
/****************************************** Macros ***********/
/* Print ERROR if it fails. Tally success or failure. */
/* Odd do-while wrapper seems to be needed for some compilers. */
#define EXPECT(_exp) \
do \
{ \
if ((_exp)) {\
gNumPassed++; \
} \
else { \
printf("\nERROR - 0x%x - %s for %s\n", result, Pa_GetErrorText(result), #_exp ); \
gNumFailed++; \
goto error; \
} \
} while(0)
#define HOPEFOR(_exp) \
do \
{ \
if ((_exp)) {\
gNumPassed++; \
} \
else { \
printf("\nERROR - 0x%x - %s for %s\n", result, Pa_GetErrorText(result), #_exp ); \
gNumFailed++; \
} \
} while(0)
/*******************************************************************/
/* 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 QaCallback( void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
PaTimestamp outTime, void *userData )
{
unsigned long i;
unsigned char *out = (unsigned char *) outputBuffer;
PaQaData *data = (PaQaData *) userData;
(void) inputBuffer; /* Prevent "unused variable" warnings. */
(void) outTime;
/* Zero out buffer so we don't hear terrible noise. */
if( data->mode == MODE_OUTPUT )
{
unsigned long numBytes = framesPerBuffer * data->numChannels * data->bytesPerSample;
for( i=0; i<numBytes; i++ )
{
*out++ = 0;
}
}
/* Are we through yet? */
if( data->framesLeft > framesPerBuffer )
{
data->framesLeft -= framesPerBuffer;
return 0;
}
else
{
data->framesLeft = 0;
return 1;
}
}
/*******************************************************************/
int main(void);
int main(void)
{
PaError result;
EXPECT( ((result=Pa_Initialize()) == 0) );
TestBadOpens();
TestBadActions();
error:
Pa_Terminate();
printf("QA Report: %d passed, %d failed.\n", gNumPassed, gNumFailed );
return 0;
}
/*******************************************************************/
static int TestBadOpens( void )
{
PortAudioStream *stream = NULL;
PaError result;
PaQaData myData;
/* Setup data for synthesis thread. */
myData.framesLeft = (unsigned long) (SAMPLE_RATE * 100); /* 100 seconds */
myData.numChannels = 1;
myData.mode = MODE_OUTPUT;
HOPEFOR( (/* No devices specified. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
paNoDevice, 0, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidDeviceId) );
HOPEFOR( ( /* Out of range input device specified. */
(result = Pa_OpenStream(
&stream,
Pa_CountDevices(), 0, paFloat32, NULL,
paNoDevice, 0, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidDeviceId) );
HOPEFOR( ( /* Out of range output device specified. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_CountDevices(), 0, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidDeviceId) );
HOPEFOR( ( /* Zero input channels. */
(result = Pa_OpenStream(
&stream,
Pa_GetDefaultInputDeviceID(), 0, paFloat32, NULL,
paNoDevice, 0, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidChannelCount) );
HOPEFOR( ( /* Zero output channels. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 0, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidChannelCount) );
HOPEFOR( ( /* Nonzero input channels but no device. */
(result = Pa_OpenStream(
&stream,
Pa_GetDefaultInputDeviceID(), 2, paFloat32, NULL,
paNoDevice, 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidChannelCount) );
HOPEFOR( ( /* Nonzero output channels but no device. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 2, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidChannelCount) );
HOPEFOR( ( /* NULL stream pointer. */
(result = Pa_OpenStream(
NULL,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paBadStreamPtr) );
HOPEFOR( ( /* Low sample rate. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
1.0, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidSampleRate) );
HOPEFOR( ( /* High sample rate. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
10000000.0, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidSampleRate) );
HOPEFOR( ( /* NULL callback. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
NULL,
&myData )
) == paNullCallback) );
HOPEFOR( ( /* Bad flag. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
(1<<3),
QaCallback,
&myData )
) == paInvalidFlag) );
#if 0 /* FIXME - this is legal for some implementations. */
HOPEFOR( ( /* Use input device as output device. */
(result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultInputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidDeviceId) );
HOPEFOR( ( /* Use output device as input device. */
(result = Pa_OpenStream(
&stream,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
paNoDevice, 0, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == paInvalidDeviceId) );
#endif
if( stream != NULL ) Pa_CloseStream( stream );
return result;
}
/*******************************************************************/
static int TestBadActions( void )
{
PortAudioStream *stream = NULL;
PaError result;
PaQaData myData;
/* Setup data for synthesis thread. */
myData.framesLeft = (unsigned long) (SAMPLE_RATE * 100); /* 100 seconds */
myData.numChannels = 1;
myData.mode = MODE_OUTPUT;
/* Default output. */
EXPECT( ((result = Pa_OpenStream(
&stream,
paNoDevice, 0, paFloat32, NULL,
Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
paClipOff,
QaCallback,
&myData )
) == 0) );
HOPEFOR( ((result = Pa_StartStream( NULL )) == paBadStreamPtr) );
HOPEFOR( ((result = Pa_StopStream( NULL )) == paBadStreamPtr) );
HOPEFOR( ((result = Pa_StreamActive( NULL )) == paBadStreamPtr) );
HOPEFOR( ((result = Pa_CloseStream( NULL )) == paBadStreamPtr) );
HOPEFOR( ((result = (PaError)Pa_StreamTime( NULL )) != 0) );
HOPEFOR( ((result = (PaError)Pa_GetCPULoad( NULL )) != 0) );
error:
if( stream != NULL ) Pa_CloseStream( stream );
return result;
}
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