mirror of
https://github.com/gnustep/libs-gui.git
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81632bcf5b
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@14212 72102866-910b-0410-8b05-ffd578937521
330 lines
14 KiB
C
330 lines
14 KiB
C
/*
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* $Id$
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* paqa_devs.c
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* Self Testing Quality Assurance app for PortAudio
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* Do lots of bad things to test error reporting.
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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 <math.h>
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#include "portaudio.h"
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/****************************************** Definitions ***********/
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#define MODE_INPUT (0)
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#define MODE_OUTPUT (1)
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#define FRAMES_PER_BUFFER (64)
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#define SAMPLE_RATE (44100.0)
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#define NUM_BUFFERS (0)
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typedef struct PaQaData
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{
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unsigned long framesLeft;
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int numChannels;
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int bytesPerSample;
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int mode;
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}
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PaQaData;
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/****************************************** Prototypes ***********/
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static void TestDevices( int mode );
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static void TestFormats( int mode, PaDeviceID deviceID, double sampleRate,
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int numChannels );
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static int TestBadOpens( void );
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static int TestBadActions( void );
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static int QaCallback( void *inputBuffer, void *outputBuffer,
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unsigned long framesPerBuffer,
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PaTimestamp outTime, void *userData );
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/****************************************** Globals ***********/
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static int gNumPassed = 0;
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static int gNumFailed = 0;
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/****************************************** Macros ***********/
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/* Print ERROR if it fails. Tally success or failure. */
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/* Odd do-while wrapper seems to be needed for some compilers. */
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#define EXPECT(_exp) \
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do \
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{ \
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if ((_exp)) {\
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gNumPassed++; \
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} \
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else { \
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printf("\nERROR - 0x%x - %s for %s\n", result, Pa_GetErrorText(result), #_exp ); \
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gNumFailed++; \
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goto error; \
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} \
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} while(0)
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#define HOPEFOR(_exp) \
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do \
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{ \
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if ((_exp)) {\
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gNumPassed++; \
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} \
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else { \
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printf("\nERROR - 0x%x - %s for %s\n", result, Pa_GetErrorText(result), #_exp ); \
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gNumFailed++; \
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} \
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} while(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 QaCallback( 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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unsigned long i;
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unsigned char *out = (unsigned char *) outputBuffer;
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PaQaData *data = (PaQaData *) userData;
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(void) inputBuffer; /* Prevent "unused variable" warnings. */
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(void) outTime;
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/* Zero out buffer so we don't hear terrible noise. */
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if( data->mode == MODE_OUTPUT )
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{
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unsigned long numBytes = framesPerBuffer * data->numChannels * data->bytesPerSample;
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for( i=0; i<numBytes; i++ )
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{
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*out++ = 0;
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}
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}
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/* Are we through yet? */
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if( data->framesLeft > framesPerBuffer )
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{
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data->framesLeft -= framesPerBuffer;
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return 0;
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}
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else
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{
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data->framesLeft = 0;
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return 1;
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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 result;
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EXPECT( ((result=Pa_Initialize()) == 0) );
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TestBadOpens();
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TestBadActions();
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error:
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Pa_Terminate();
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printf("QA Report: %d passed, %d failed.\n", gNumPassed, gNumFailed );
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return 0;
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}
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/*******************************************************************/
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static int TestBadOpens( void )
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{
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PortAudioStream *stream = NULL;
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PaError result;
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PaQaData myData;
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/* Setup data for synthesis thread. */
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myData.framesLeft = (unsigned long) (SAMPLE_RATE * 100); /* 100 seconds */
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myData.numChannels = 1;
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myData.mode = MODE_OUTPUT;
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HOPEFOR( (/* No devices specified. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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paNoDevice, 0, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidDeviceId) );
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HOPEFOR( ( /* Out of range input device specified. */
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(result = Pa_OpenStream(
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&stream,
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Pa_CountDevices(), 0, paFloat32, NULL,
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paNoDevice, 0, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidDeviceId) );
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HOPEFOR( ( /* Out of range output device specified. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_CountDevices(), 0, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidDeviceId) );
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HOPEFOR( ( /* Zero input channels. */
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(result = Pa_OpenStream(
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&stream,
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Pa_GetDefaultInputDeviceID(), 0, paFloat32, NULL,
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paNoDevice, 0, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidChannelCount) );
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HOPEFOR( ( /* Zero output channels. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 0, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidChannelCount) );
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HOPEFOR( ( /* Nonzero input channels but no device. */
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(result = Pa_OpenStream(
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&stream,
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Pa_GetDefaultInputDeviceID(), 2, paFloat32, NULL,
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paNoDevice, 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidChannelCount) );
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HOPEFOR( ( /* Nonzero output channels but no device. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 2, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidChannelCount) );
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HOPEFOR( ( /* NULL stream pointer. */
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(result = Pa_OpenStream(
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NULL,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paBadStreamPtr) );
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HOPEFOR( ( /* Low sample rate. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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1.0, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidSampleRate) );
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HOPEFOR( ( /* High sample rate. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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10000000.0, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidSampleRate) );
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HOPEFOR( ( /* NULL callback. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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NULL,
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&myData )
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) == paNullCallback) );
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HOPEFOR( ( /* Bad flag. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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(1<<3),
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QaCallback,
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&myData )
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) == paInvalidFlag) );
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#if 0 /* FIXME - this is legal for some implementations. */
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HOPEFOR( ( /* Use input device as output device. */
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(result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultInputDeviceID(), 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidDeviceId) );
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HOPEFOR( ( /* Use output device as input device. */
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(result = Pa_OpenStream(
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&stream,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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paNoDevice, 0, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == paInvalidDeviceId) );
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#endif
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if( stream != NULL ) Pa_CloseStream( stream );
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return result;
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}
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/*******************************************************************/
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static int TestBadActions( void )
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{
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PortAudioStream *stream = NULL;
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PaError result;
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PaQaData myData;
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/* Setup data for synthesis thread. */
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myData.framesLeft = (unsigned long) (SAMPLE_RATE * 100); /* 100 seconds */
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myData.numChannels = 1;
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myData.mode = MODE_OUTPUT;
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/* Default output. */
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EXPECT( ((result = Pa_OpenStream(
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&stream,
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paNoDevice, 0, paFloat32, NULL,
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Pa_GetDefaultOutputDeviceID(), 2, paFloat32, NULL,
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SAMPLE_RATE, FRAMES_PER_BUFFER, NUM_BUFFERS,
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paClipOff,
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QaCallback,
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&myData )
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) == 0) );
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HOPEFOR( ((result = Pa_StartStream( NULL )) == paBadStreamPtr) );
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HOPEFOR( ((result = Pa_StopStream( NULL )) == paBadStreamPtr) );
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HOPEFOR( ((result = Pa_StreamActive( NULL )) == paBadStreamPtr) );
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HOPEFOR( ((result = Pa_CloseStream( NULL )) == paBadStreamPtr) );
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HOPEFOR( ((result = (PaError)Pa_StreamTime( NULL )) != 0) );
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HOPEFOR( ((result = (PaError)Pa_GetCPULoad( NULL )) != 0) );
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error:
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if( stream != NULL ) Pa_CloseStream( stream );
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return result;
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}
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