paqa_errs.c

一个开源的sip源代码

                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidDevice));

    /*----------------------------- Out of range input device specified: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = Pa_GetDeviceCount(); /* And no output device, and no channels. */
    opp.channelCount = 0;           opp.device = paNoDevice;
    HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, NULL,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidDevice));

    /*----------------------------- Out of range output device specified: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice; /* And no input device, and no channels. */
    opp.channelCount = 0;           opp.device = Pa_GetDeviceCount();
    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidDevice));

    /*----------------------------- Zero input channels: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = Pa_GetDefaultInputDevice();
    opp.channelCount = 0;           opp.device = paNoDevice;    /* And no output device, and no output channels. */   
    HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, NULL,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidChannelCount));

    /*----------------------------- Zero output channels: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice; /* And no input device, and no input channels. */
    opp.channelCount = 0;           opp.device = Pa_GetDefaultOutputDevice();
    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidChannelCount));

    /*----------------------------- Nonzero input and output channels but no output device: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 2;           ipp.device = Pa_GetDefaultInputDevice();        /* Both stereo. */
    opp.channelCount = 2;           opp.device = paNoDevice;
    HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidDevice));

    /*----------------------------- Nonzero input and output channels but no input device: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 2;           ipp.device = paNoDevice;
    opp.channelCount = 2;           opp.device = Pa_GetDefaultOutputDevice();
    HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paInvalidDevice));

    /*----------------------------- NULL stream pointer: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice;           /* Output is more likely than input. */
    opp.channelCount = 2;           opp.device = Pa_GetDefaultOutputDevice();    /* Only 2 output channels. */
    HOPEFOR(((result = Pa_OpenStream(NULL, &ipp, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paBadStreamPtr));

    /*----------------------------- Low sample rate: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice;
    opp.channelCount = 2;           opp.device = Pa_GetDefaultOutputDevice();
    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                     1.0, FRAMES_PER_BUFFER, /* 1 cycle per second (1 Hz) is too low. */
                                     paClipOff, QaCallback, &myData )) == paInvalidSampleRate));

    /*----------------------------- High sample rate: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice;
    opp.channelCount = 2;           opp.device = Pa_GetDefaultOutputDevice();
    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                     10000000.0, FRAMES_PER_BUFFER, /* 10^6 cycles per second (10 MHz) is too high. */
                                     paClipOff, QaCallback, &myData )) == paInvalidSampleRate));

    /*----------------------------- NULL callback: */
    /* NULL callback is valid in V19 -- it means use blocking read/write stream
    
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice;
    opp.channelCount = 2;           opp.device = Pa_GetDefaultOutputDevice();
    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff,
                                     NULL,
                                     &myData )) == paNullCallback));
    */

    /*----------------------------- Bad flag: */
    ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
    ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
    ipp.channelCount = 0;           ipp.device = paNoDevice;
    opp.channelCount = 2;           opp.device = Pa_GetDefaultOutputDevice();
    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     255,                      /* Is 8 maybe legal V19 API? */
                                     QaCallback, &myData )) == paInvalidFlag));

    /*----------------------------- using input device as output device: */
    if( FindInputOnlyDevice() != paNoDevice )
    {
        ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
        ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
        ipp.channelCount = 0;           ipp.device = paNoDevice; /* And no input device, and no channels. */
        opp.channelCount = 2;           opp.device = FindInputOnlyDevice();
        HOPEFOR(((result = Pa_OpenStream(&stream, NULL, &opp,
                                         SAMPLE_RATE, FRAMES_PER_BUFFER,
                                         paClipOff, QaCallback, &myData )) == paInvalidChannelCount));
    }

    /*----------------------------- using output device as input device: */
    if( FindOutputOnlyDevice() != paNoDevice )
    {
        ipp.hostApiSpecificStreamInfo = opp.hostApiSpecificStreamInfo = NULL;
        ipp.sampleFormat              = opp.sampleFormat              = paFloat32;
        ipp.channelCount = 2;           ipp.device = FindOutputOnlyDevice();
        opp.channelCount = 0;           opp.device = paNoDevice;  /* And no output device, and no channels. */
        HOPEFOR(((result = Pa_OpenStream(&stream, &ipp, NULL,
                                         SAMPLE_RATE, FRAMES_PER_BUFFER,
                                         paClipOff, QaCallback, &myData )) == paInvalidChannelCount));

    }

    if( stream != NULL ) Pa_CloseStream( stream );
    return result;
}

/*-----------------------------------------------------------------------------------------*/
static int TestBadActions( void )
{
    PaStream*           stream = NULL;
    PaError             result;
    PaQaData            myData;
    PaStreamParameters  opp;

    /* Setup data for synthesis thread. */
    myData.framesLeft = (unsigned long)(SAMPLE_RATE * 100); /* 100 seconds */
    myData.numChannels = 1;
    myData.mode = MODE_OUTPUT;

    opp.device                    = Pa_GetDefaultOutputDevice(); /* Default output. */
    opp.channelCount              = 2;                           /* Stereo output.  */
    opp.hostApiSpecificStreamInfo = NULL;
    opp.sampleFormat              = paFloat32;
    opp.suggestedLatency          = Pa_GetDeviceInfo(opp.device)->defaultLowOutputLatency;

    HOPEFOR(((result = Pa_OpenStream(&stream, NULL, /* Take NULL as input parame-     */
                                     &opp,          /* ters, meaning try only output. */
                                     SAMPLE_RATE, FRAMES_PER_BUFFER,
                                     paClipOff, QaCallback, &myData )) == paNoError));

    HOPEFOR(((result = Pa_StartStream(NULL))    == paBadStreamPtr));
    HOPEFOR(((result = Pa_StopStream(NULL))     == paBadStreamPtr));
    HOPEFOR(((result = Pa_IsStreamStopped(NULL)) == paBadStreamPtr));
    HOPEFOR(((result = Pa_IsStreamActive(NULL)) == paBadStreamPtr));
    HOPEFOR(((result = Pa_CloseStream(NULL))    == paBadStreamPtr));
    HOPEFOR(((result = Pa_SetStreamFinishedCallback(NULL, NULL)) == paBadStreamPtr));
    HOPEFOR(((result = !Pa_GetStreamInfo(NULL))));
    HOPEFOR(((result = Pa_GetStreamTime(NULL))  == 0.0));
    HOPEFOR(((result = Pa_GetStreamCpuLoad(NULL))  == 0.0));
    HOPEFOR(((result = Pa_ReadStream(NULL, NULL, 0))  == paBadStreamPtr));
    HOPEFOR(((result = Pa_WriteStream(NULL, NULL, 0))  == paBadStreamPtr));

    /** @todo test Pa_GetStreamReadAvailable and Pa_GetStreamWriteAvailable */

    if (stream != NULL) Pa_CloseStream(stream);
    return result;
}

/*---------------------------------------------------------------------*/
int main(void);
int main(void)
{
    PaError result;
    
    EXPECT(((result = Pa_Initialize()) == paNoError));
    TestBadOpens();
    TestBadActions();
error:
    Pa_Terminate();
    printf("QA Report: %d passed, %d failed.\n", gNumPassed, gNumFailed);
    return 0;
}