コード例 #1
0
ファイル: main.cpp プロジェクト: venkatarajasekhar/viper
int main(void)
{
	PortAudioStream *stream;
	PaError    err;
	mute=false;

	bool quit;
	char ch;

	printf("A sample on how to use RakVoice. You need a microphone for this sample.\n");
	printf("RakVoice relies on Speex for voice encoding and decoding.\n");
	printf("See DependentExtensions/RakVoice/speex-1.1.12 for speex projects.\n");
	printf("For windows, I had to define HAVE_CONFIG_H, include win32/config.h,\n");
	printf("and include the files under libspeex, except those that start with test.\n");
	printf("PortAudio is also included and is used to read and write audio data.  You\n");
	printf("can substitute whatever you want if you do not want to use portaudio.\n");
	printf("Difficulty: Advanced\n\n");

	// Since voice is peer to peer, we give the option to use the nat punchthrough client if desired.
	NatPunchthroughClient natPunchthroughClient;
	char port[256];
	rakPeer = RakNetworkFactory::GetRakPeerInterface();
	printf("Enter local port (enter for default): ");
	gets(port);
	if (port[0]==0)
		strcpy(port, "60000");
	SocketDescriptor socketDescriptor(atoi(port),0);
	rakPeer->Startup(4, 30, &socketDescriptor, 1);
	rakPeer->SetMaximumIncomingConnections(4);
	rakPeer->AttachPlugin(&rakVoice);
	rakPeer->AttachPlugin(&natPunchthroughClient);
	rakVoice.Init(SAMPLE_RATE, FRAMES_PER_BUFFER*sizeof(SAMPLE));

	err = Pa_Initialize();
	if( err != paNoError ) goto error;
	
	err = Pa_OpenStream(
		&stream,
		Pa_GetDefaultInputDeviceID(),
		1, // Num channels, whatever the f**k that means
		PA_SAMPLE_TYPE,
		NULL,
		Pa_GetDefaultOutputDeviceID(),
		1, // Num channels
		PA_SAMPLE_TYPE,
		NULL,
		SAMPLE_RATE,
		FRAMES_PER_BUFFER,            /* frames per buffer */
		0,               /* number of buffers, if zero then use default minimum */
		0, /* paDitherOff, // flags */
		PACallback,
		0 );

	if( err != paNoError ) goto error;

	err = Pa_StartStream( stream );
	if( err != paNoError ) goto error;

	printf("Support NAT punchthrough? (y/n)? ");
	bool useNatPunchthrough;
	useNatPunchthrough=(getche()=='y');
	printf("\n");
	char facilitatorIP[256];
	SystemAddress facilitator;
	if (useNatPunchthrough)
	{
		printf("My GUID is %s\n", rakPeer->GetGuidFromSystemAddress(UNASSIGNED_SYSTEM_ADDRESS).ToString());

		printf("Enter IP of facilitator (enter for default): ");
		gets(facilitatorIP);
		if (facilitatorIP[0]==0)
			strcpy(facilitatorIP, "216.224.123.180");
		facilitator.SetBinaryAddress(facilitatorIP);
		facilitator.port=NAT_PUNCHTHROUGH_FACILITATOR_PORT;
		rakPeer->Connect(facilitatorIP, NAT_PUNCHTHROUGH_FACILITATOR_PORT, 0, 0);
		printf("Connecting to facilitator...\n");
	}
	else
	{
		printf("Not supporting NAT punchthrough.\n");
	}


    
	Packet *p;
	quit=false;
	if (useNatPunchthrough==false)
		printf("(Q)uit. (C)onnect. (D)isconnect. (M)ute. ' ' for stats.\n");

	while (!quit)
	{
		if (kbhit())
		{
			ch=getch();
			if (ch=='y')
			{
				quit=true;
			}
			else if (ch=='c')
			{
				if (useNatPunchthrough)
				{
					RakNetGUID destination;
					printf("Enter GUID of destination: ");
					char guidStr[256];
					while (1)
					{
						gets(guidStr);
						if (!destination.FromString(guidStr))
							printf("Invalid GUID format. Try again.\nEnter GUID of destination: ");
						else
							break;
					}
					printf("Starting NAT punch. Please wait...\n");
					natPunchthroughClient.OpenNAT(destination,facilitator);
				}
				else
				{
					char ip[256];
					printf("Enter IP of remote system: ");
					gets(ip);
					if (ip[0]==0)
						strcpy(ip, "127.0.0.1");
					printf("Enter port of remote system: ");
					gets(port);
					if (port[0]==0)
						strcpy(port, "60000");
					rakPeer->Connect(ip, atoi(port), 0,0);

				}
			}
			else if (ch=='m')
			{
				mute=!mute;
				if (mute)
					printf("Now muted.\n");
				else
					printf("No longer muted.\n");
			}
			else if (ch=='d')
			{
				rakPeer->Shutdown(100,0);
			}
			else if (ch==' ')
			{
				char message[2048];
				RakNetStatistics *rss=rakPeer->GetStatistics(rakPeer->GetSystemAddressFromIndex(0));
				StatisticsToString(rss, message, 2);
				printf("%s", message);
			}
			else if (ch=='q')
				quit=true;
			ch=0;
		}

		p=rakPeer->Receive();
		while (p)
		{
			if (p->data[0]==ID_CONNECTION_REQUEST_ACCEPTED)
			{
				if (p->systemAddress==facilitator)
				{
					printf("Connection to facilitator completed\n");
					printf("(Q)uit. (C)onnect. (D)isconnect. (M)ute. ' ' for stats.\n");
				}
				else
				{
					printf("ID_CONNECTION_REQUEST_ACCEPTED from %s\n", p->systemAddress.ToString());
					rakVoice.RequestVoiceChannel(p->systemAddress);
				}
			}
			else if (p->data[0]==ID_CONNECTION_ATTEMPT_FAILED)
			{
				if (p->systemAddress==facilitator)
				{
					printf("Connection to facilitator failed. Using direct connections\n");
					useNatPunchthrough=false;
					printf("(Q)uit. (C)onnect. (D)isconnect. (M)ute. ' ' for stats.\n");
				}
				else
				{
					printf("ID_CONNECTION_ATTEMPT_FAILED\n");
				}
			}
			else if (p->data[0]==ID_RAKVOICE_OPEN_CHANNEL_REQUEST || p->data[0]==ID_RAKVOICE_OPEN_CHANNEL_REPLY)
			{
				printf("Got new channel from %s\n", p->systemAddress.ToString());
			}
			else if (p->data[0]==ID_NAT_TARGET_NOT_CONNECTED)
			{
				RakNetGUID g;
				RakNet::BitStream b(p->data, p->length, false);
				b.IgnoreBits(8); // Ignore the ID_...
				b.Read(g);
				printf("ID_NAT_TARGET_NOT_CONNECTED for %s\n", g.ToString());
			}
			else if (p->data[0]==ID_NAT_TARGET_UNRESPONSIVE)
			{
				RakNetGUID g;
				RakNet::BitStream b(p->data, p->length, false);
				b.IgnoreBits(8); // Ignore the ID_...
				b.Read(g);
				printf("ID_NAT_TARGET_UNRESPONSIVE for %s\n", g.ToString());
			}
			else if (p->data[0]==ID_NAT_CONNECTION_TO_TARGET_LOST)
			{
				RakNetGUID g;
				RakNet::BitStream b(p->data, p->length, false);
				b.IgnoreBits(8); // Ignore the ID_...
				b.Read(g);
				printf("ID_NAT_CONNECTION_TO_TARGET_LOST for %s\n", g.ToString());
			}
			else if (p->data[0]==ID_NAT_ALREADY_IN_PROGRESS)
			{
				RakNetGUID g;
				RakNet::BitStream b(p->data, p->length, false);
				b.IgnoreBits(8); // Ignore the ID_...
				b.Read(g);
				printf("ID_NAT_ALREADY_IN_PROGRESS for %s\n", g.ToString());
			}
			else if (p->data[0]==ID_NAT_PUNCHTHROUGH_FAILED)
			{
				printf("ID_NAT_PUNCHTHROUGH_FAILED for %s\n", p->guid.ToString());
			}
			else if (p->data[0]==ID_NAT_PUNCHTHROUGH_SUCCEEDED)
			{
				printf("ID_NAT_PUNCHTHROUGH_SUCCEEDED for %s. Connecting...\n", p->guid.ToString());
				rakPeer->Connect(p->systemAddress.ToString(false),p->systemAddress.port,0,0);
			}
			else if (p->data[0]==ID_ALREADY_CONNECTED)
			{
				printf("ID_ALREADY_CONNECTED\n");
			}
			else
			{
				printf("Unknown packet ID %i\n", p->data[0]);
			}


			rakPeer->DeallocatePacket(p);
			p=rakPeer->Receive();
		}


		Pa_Sleep( 30 );
	}

	err = Pa_CloseStream( stream );
	if( err != paNoError ) goto error;

	Pa_Terminate();

	rakPeer->Shutdown(300);
	RakNetworkFactory::DestroyRakPeerInterface(rakPeer);

	return 0;

error:
	Pa_Terminate();
	fprintf( stderr, "An error occured while using the portaudio stream\n" );
	fprintf( stderr, "Error number: %d\n", err );
	fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
	return -1;
}
コード例 #2
0
ファイル: fft-multithread.c プロジェクト: kninnug/Hark
int main(int argc, char ** argv){
	size_t i, j;
	size_t numThreads = 2;
	// FFT stuff
	int fftSize = 1024 * 4;
	int fftWinInc = fftSize / 4;
	// Portaudio stuff
	PaError paer;
	PaStream * stream;
	
	struct fftBuf ffts[numThreads];
	struct aBuf buf = {44100, fftSize, fftWinInc, 1.0, fftSize, 0, NULL, numThreads, ffts};
	
	buf.samples = fmalloc(buf.length * sizeof *buf.samples);
	for(j = 0; j < buf.length; j++) buf.samples[j] = 0.0;
	
	for(i = 0; i < numThreads; i++){
		ffts[i].fftIn = fmalloc(ffts[i].length * sizeof *ffts[i].samples);
		for(j = 0; j < ffts[i].length; j++) ffts[i].fftIn[j] = 0.0;
		ffts[i].fftOut = fftw_malloc(ffts[i].length * sizeof *ffts[i].fftOut);
		for(j = 0; j < ffts[i].length; j++){
			ffts[i].fftOut[j][0] = 0.0;
			ffts[i].fftOut[j][1] = 0.0;
		}
		
		ffts[i].panama = fftw_plan_dft_r2c_1d(buf.length, buf.fftIn, buf.fftOut, FFTW_ESTIMATE);
		
		ffts[i].mutex = PTHREAD_MUTEX_INITIALIZER;
		ffts[i].cond = PTHREAD_COND_INITIALIZER;
		
		ffts[i].info = &buf;
	}
	
	if(argc > 1 && ((buf.amplifier = strtod(argv[1], NULL)) < 1.0)){
		buf.amplifier = 1.0;
	}
	
	printf("---- ----\nInit done\n---- ----\n");
	
	printf("FFT-size: %i\nWindow-length: %f\nWindow-inc: %i\n", fftSize, (double)fftSize/(double)buf.samplerate, fftWinInc);
	
	pthread_create(&ffThread1, NULL, fftThread, &buf);
	//pthread_create(&ffThread2, NULL, fftThread, &buf);
	
	paer = Pa_Initialize();
	if(paer != paNoError){
		fprintf(stderr, "! Pa_Initialize failed: %s\n", Pa_GetErrorText(paer));
		return EXIT_FAILURE;
	}
	paer = Pa_OpenDefaultStream(&stream, 1, 0, paFloat32, buf.samplerate, fftWinInc, recordCallback, &buf);
	if(paer != paNoError){
		fprintf(stderr, "! Pa_OpenDefaultStream failed: %s\n", Pa_GetErrorText(paer));
		return EXIT_FAILURE;
	}
	paer = Pa_StartStream(stream);
	if(paer != paNoError){
		fprintf(stderr, "! Pa_StartStream failed: %s\n", Pa_GetErrorText(paer));
		return EXIT_FAILURE;
	}
	
	while(Pa_IsStreamActive(stream)) Pa_Sleep(100);
	
	Pa_CloseStream(stream);
	Pa_Terminate();
	free(buf.samples);
	free(buf.fftIn);
	fftw_free(buf.fftOut);
	fftw_destroy_plan(buf.panama);
	
	return 0;
}
コード例 #3
0
int main(void)
{
    PaStreamParameters outputParameters;
    PaAsioStreamInfo asioOutputInfo;
    PaStream *stream;
    PaError err;
    paTestData data;
    int outputChannelSelectors[1];
    int i;
    printf("PortAudio Test: output MONO 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) (AMPLITUDE * sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. ));
    }
    data.phase = 0;
    
    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    outputParameters.device = OUTPUT_DEVICE;
    outputParameters.channelCount = 1;       /* MONO output */
    outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
    outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;

    asioOutputInfo.size = sizeof(PaAsioStreamInfo);
    asioOutputInfo.hostApiType = paASIO;
    asioOutputInfo.version = 1;
    asioOutputInfo.flags = paAsioUseChannelSelectors;
    outputChannelSelectors[0] = 1; /* select the second (right) ASIO device channel */
    asioOutputInfo.channelSelectors = outputChannelSelectors;
    outputParameters.hostApiSpecificStreamInfo = &asioOutputInfo;

    err = Pa_OpenStream(
              &stream,
              NULL, /* no input */
              &outputParameters,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;

    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;
    
    printf("Play for %d seconds.\n", NUM_SECONDS ); fflush(stdout);
    Pa_Sleep( NUM_SECONDS * 1000 );

    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;
    
    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto error;
    
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #4
0
ファイル: patest_hang.c プロジェクト: vinay/Transcend
int main(void)
{
    PortAudioStream *stream;
    PaError          err;
    int              i;
    paTestData       data = {0};
    
    printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",
        SAMPLE_RATE, FRAMES_PER_BUFFER );

    err = Pa_Initialize();
    if( err != paNoError ) goto error;
    
    err = Pa_OpenStream(
              &stream,
              paNoDevice,/* default input device */
              0,              /* no input */
              paFloat32,  /* 32 bit floating point input */
              NULL,
              Pa_GetDefaultOutputDeviceID(), /* default output device */
              1,          /* mono output */
              paFloat32,      /* 32 bit floating point output */
              NULL,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,            /* frames per buffer */
              0,              /* number of buffers, if zero then use default minimum */
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;
    
    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;

/* Gradually increase sleep time. */
    for( i=0; i<10000; i+= 1000 )
    {
        printf("Sleep for %d milliseconds in audio callback.\n", i );
        data.sleepFor = i;
        fflush(stdout);
        Pa_Sleep( ((i<1000) ? 1000 : i) );
    }
    
    printf("Suffer for 10 seconds.\n");
    fflush(stdout);
    Pa_Sleep( 10000 );
    
    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;
    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto error;
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #5
0
ファイル: portaudio_test.c プロジェクト: bittercrow/btstack
int main(int argc, const char * argv[]){
    (void) argc;
    (void) argv;
    
    PaError err;
    static paTestData data;
    static PaStream * stream;

    /* initialise sinusoidal wavetable */
    int i;
    for (i=0; i<TABLE_SIZE; i++){
        data.sine[i] = sin(((double)i/(double)TABLE_SIZE) * M_PI * 2.)*32767;
    }
    data.left_phase = data.right_phase = 0;

    err = Pa_Initialize();
    if (err != paNoError){
        printf("Error initializing portaudio: \"%s\"\n",  Pa_GetErrorText(err));
        return paNoError;
    } 

    PaStreamParameters outputParameters;
    outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
    outputParameters.channelCount = NUM_CHANNELS;
    outputParameters.sampleFormat = PA_SAMPLE_TYPE;
    outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultHighOutputLatency;
    outputParameters.hostApiSpecificStreamInfo = NULL;
    
    /* -- setup stream -- */
    err = Pa_OpenStream(
           &stream,
           NULL,                /* &inputParameters */
           &outputParameters,
           SAMPLE_RATE,
           FRAMES_PER_BUFFER,
           paClipOff,           /* we won't output out of range samples so don't bother clipping them */
           patestCallback,      /* use callback */
           &data );             /* callback userData */

    memset(ring_buffer_storage, 0, sizeof(ring_buffer_storage));
    btstack_ring_buffer_init(&ring_buffer, ring_buffer_storage, sizeof(ring_buffer_storage));

    wav_writer_open(wav_filename, NUM_CHANNELS, SAMPLE_RATE);

    if (err != paNoError){
        printf("Error opening default stream: \"%s\"\n",  Pa_GetErrorText(err));
        return paNoError;
    } 

    err = Pa_StartStream(stream);
    if (err != paNoError){
        printf("Error starting the stream: \"%s\"\n",  Pa_GetErrorText(err));
        return paNoError;
    } 

    /* Sleep for several seconds. */
    while (1){
        fill_ring_buffer(&data);
        Pa_Sleep(1);
    }
    
    err = Pa_StopStream(stream);
    if (err != paNoError){
        printf("Error stopping the stream: \"%s\"\n",  Pa_GetErrorText(err));
        return paNoError;
    } 

    err = Pa_CloseStream(stream);
    if (err != paNoError){
        printf("Error closing the stream: \"%s\"\n",  Pa_GetErrorText(err));
        return paNoError;
    } 

    err = Pa_Terminate();
    if (err != paNoError){
        printf("Error terminating portaudio: \"%s\"\n",  Pa_GetErrorText(err));
        return paNoError;
    } 
    return 0;
}
コード例 #6
0
ファイル: Audio.cpp プロジェクト: tschw/hifi
Audio::Audio(Oscilloscope* scope, int16_t initialJitterBufferSamples) :
    _stream(NULL),
    _ringBuffer(true),
    _scope(scope),
    _averagedLatency(0.0),
    _measuredJitter(0),
    _jitterBufferSamples(initialJitterBufferSamples),
    _wasStarved(0),
    _numStarves(0),
    _lastInputLoudness(0),
    _lastVelocity(0),
    _lastAcceleration(0),
    _totalPacketsReceived(0),
    _firstPacketReceivedTime(),
    _echoSamplesLeft(NULL),
    _packetsReceivedThisPlayback(0),
    _isSendingEchoPing(false),
    _pingAnalysisPending(false),
    _pingFramesToRecord(0),
    _samplesLeftForFlange(0),
    _lastYawMeasuredMaximum(0),
    _flangeIntensity(0.0f),
    _flangeRate(0.0f),
    _flangeWeight(0.0f)
{
    outputPortAudioError(Pa_Initialize());
    
    //  NOTE:  Portaudio documentation is unclear as to whether it is safe to specify the
    //         number of frames per buffer explicitly versus setting this value to zero.
    //         Possible source of latency that we need to investigate further.
    // 
    unsigned long FRAMES_PER_BUFFER = BUFFER_LENGTH_SAMPLES_PER_CHANNEL;
    
    //  Manually initialize the portaudio stream to ask for minimum latency
    PaStreamParameters inputParameters, outputParameters;
    
    inputParameters.device = Pa_GetDefaultInputDevice();
    outputParameters.device = Pa_GetDefaultOutputDevice();

    if (inputParameters.device == -1 || outputParameters.device == -1) {
        printLog("Audio: Missing device.\n");
        outputPortAudioError(Pa_Terminate());
        return;
    }

    inputParameters.channelCount = 2;                    //  Stereo input
    inputParameters.sampleFormat = (paInt16 | paNonInterleaved);
    inputParameters.suggestedLatency = Pa_GetDeviceInfo(inputParameters.device)->defaultLowInputLatency;
    inputParameters.hostApiSpecificStreamInfo = NULL;

    outputParameters.channelCount = 2;                    //  Stereo output
    outputParameters.sampleFormat = (paInt16 | paNonInterleaved);
    outputParameters.suggestedLatency = Pa_GetDeviceInfo(outputParameters.device)->defaultLowOutputLatency;
    outputParameters.hostApiSpecificStreamInfo = NULL;
    
    outputPortAudioError(Pa_OpenStream(&_stream, 
                                       &inputParameters,
                                       &outputParameters,
                                       SAMPLE_RATE,
                                       FRAMES_PER_BUFFER,
                                       paNoFlag,
                                       audioCallback,
                                       (void*) this));
        
    if (! _stream) {
        return;
    }
 
    _echoSamplesLeft = new int16_t[AEC_BUFFERED_SAMPLES + AEC_TMP_BUFFER_SIZE];
    memset(_echoSamplesLeft, 0, AEC_BUFFERED_SAMPLES * sizeof(int16_t));
    
    // start the stream now that sources are good to go
    outputPortAudioError(Pa_StartStream(_stream));
    
    // Uncomment these lines to see the system-reported latency
    //printLog("Default low input, output latency (secs): %0.4f, %0.4f\n",
    //         Pa_GetDeviceInfo(Pa_GetDefaultInputDevice())->defaultLowInputLatency,
    //         Pa_GetDeviceInfo(Pa_GetDefaultOutputDevice())->defaultLowOutputLatency);
    
    const PaStreamInfo* streamInfo = Pa_GetStreamInfo(_stream);
    printLog("Started audio with reported latency msecs In/Out: %.0f, %.0f\n", streamInfo->inputLatency * 1000.f,
             streamInfo->outputLatency * 1000.f);

    gettimeofday(&_lastReceiveTime, NULL);
}
コード例 #7
0
int main(void)
{
    PaStreamParameters outputParameters;
    PaStream *stream;
    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 );

        err = Pa_StartStream( stream );
        if( err != paNoError ) 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" );
        }


        err = Pa_StopStream( stream );
        if( err != paNoError ) 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:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #8
0
ファイル: debug_multi_in.c プロジェクト: CoolOppo/audacity
int main(void)
{
    PortAudioStream *stream;
    PaError err;
    paTestData data;
    int i;
    PaDeviceID inputDevice;
    const PaDeviceInfo *pdi;
    printf("PortAudio Test: input signal from each channel. %d buffers\n", NUM_BUFFERS );
    data.liveChannel = 0;
    err = Pa_Initialize();
    if( err != paNoError ) goto error;
#ifdef INPUT_DEVICE_NAME
    printf("Try to use device: %s\n", INPUT_DEVICE_NAME );
    inputDevice = PaFindDeviceByName(INPUT_DEVICE_NAME);
    if( inputDevice == paNoDevice )
    {
        printf("Could not find %s. Using default instead.\n", INPUT_DEVICE_NAME );
        inputDevice = Pa_GetDefaultInputDeviceID();
    }
#else
    printf("Using default input device.\n");
    inputDevice = Pa_GetDefaultInputDeviceID();
#endif
    pdi = Pa_GetDeviceInfo( inputDevice );
    if( pdi == NULL )
    {
        printf("Could not get device info!\n");
        goto error;
    }
    data.numChannels = pdi->maxInputChannels;
    printf("Input Device name is %s\n", pdi->name );
    printf("Input Device has %d channels.\n", pdi->maxInputChannels);
    err = Pa_OpenStream(
              &stream,
              inputDevice,
              pdi->maxInputChannels,
              paFloat32,  /* 32 bit floating point input */
              NULL,
              OUTPUT_DEVICE,
              2,
              paFloat32,  /* 32 bit floating point output */
              NULL,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,  /* frames per buffer */
              NUM_BUFFERS,    /* number of buffers, if zero then use default minimum */
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;
    data.liveChannel = 0;
    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;
    for( i=0; i<data.numChannels; i++ )
    {
        data.liveChannel = i;
        printf("Channel %d being sent to output. Hit ENTER for next channel.", i );
        fflush(stdout);
        getchar();
    }
    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;

    err = Pa_CloseStream( stream );
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #9
0
ファイル: patest_sine.c プロジェクト: ruthmagnus/audacity
int main(void)
{
    PaStreamParameters outputParameters;
    PaStream *stream;
    PaError err;
    paTestData data;
    int i;


    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. );
    }
    data.left_phase = data.right_phase = 0;

    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
    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,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;

    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;

    printf("Play for %d seconds.\n", NUM_SECONDS );
    Pa_Sleep( NUM_SECONDS * 1000 );

    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;

    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto error;

    Pa_Terminate();
    printf("Test finished.\n");

    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #10
0
ファイル: AudioIO.cpp プロジェクト: ruthmagnus/audacity
AudioIO::~AudioIO()
{
   Pa_Terminate();
}
コード例 #11
0
ファイル: record.cpp プロジェクト: surajmoorthy/rfswitch
int quit(int rc) {
  Pa_Terminate();
  exit(rc);
};
コード例 #12
0
ファイル: debug_sine_amp.c プロジェクト: ruthmagnus/audacity
int main(void)
{
    char  pad[256];
    PortAudioStream *stream;
    PaError err;
    const PaDeviceInfo *pdi;
    paTestData data = {0};
    printf("PortAudio Test: output sine wave on each channel.\n" );

    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE );
    data.numChannels = pdi->maxOutputChannels;
    if( data.numChannels > MAX_CHANNELS ) data.numChannels = MAX_CHANNELS;
    printf("Number of Channels = %d\n", data.numChannels );
    data.amplitude = 1.0;

    err = Pa_OpenStream(
              &stream,
              paNoDevice, /* default input device */
              0,              /* no input */
              paFloat32,  /* 32 bit floating point input */
              NULL,
              OUTPUT_DEVICE,
              data.numChannels,
              paFloat32,  /* 32 bit floating point output */
              NULL,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,  /* frames per buffer */
              0,    /* number of buffers, if zero then use default minimum */
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;

    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;

    do
    {
        printf("Current amplitude = %f\n", data.amplitude );
        printf("Enter new amplitude or 'q' to quit.\n");
        fflush(stdout);
        gets( pad );
        if( pad[0] != 'q' )
        {
            // I tried to use atof but it seems to be broken on Mac OS X 10.1
            float amp;
            sscanf( pad, "%f", &amp );
            data.amplitude = amp;
        }
    } while( pad[0] != 'q' );

    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;

    Pa_CloseStream( stream );
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #13
0
ファイル: main.cpp プロジェクト: felipe9525/Looper
int main(void)
{
    PaStreamParameters  inputParameters,
                        outputParameters;
    PaStream*           stream;
    PaStream*           stream2;
    PaError             err = paNoError;
    paTestData          data;
    paTestData          data2;
    int                 i;
    int                 totalFrames;
    int                 numSamples;
    int                 numBytes;
    SAMPLE              max, val;
    double              average;

    printf("patest_record.c\n"); fflush(stdout);

    data.maxFrameIndex = totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
    data.frameIndex = 0;
    data2.maxFrameIndex = totalFrames = NUM_SECONDS * SAMPLE_RATE; /* Record for a few seconds. */
    data2.frameIndex = 0;
    numSamples = totalFrames * NUM_CHANNELS;
    numBytes = numSamples * sizeof(SAMPLE);
    data.recordedSamples = (SAMPLE *) malloc( numBytes ); /* From now on, recordedSamples is initialised. */
    data2.recordedSamples = (SAMPLE *) malloc( numBytes ); /* From now on, recordedSamples is initialised. */
    if( data.recordedSamples == NULL )
    {
        printf("Could not allocate record array.\n");
        goto done;
    }
    for( i=0; i<numSamples; i++ ) data.recordedSamples[i] = 0;
    for( i=0; i<numSamples; i++ ) data2.recordedSamples[i] = 0;

    err = Pa_Initialize();
    if( err != paNoError ) goto done;

    inputParameters.device = Pa_GetDefaultInputDevice(); /* default input device */
    if (inputParameters.device == paNoDevice) {
        fprintf(stderr,"Error: No default input device.\n");
        goto done;
    }
    inputParameters.channelCount = 2;                    /* stereo input */
    inputParameters.sampleFormat = PA_SAMPLE_TYPE;
    inputParameters.suggestedLatency = Pa_GetDeviceInfo( inputParameters.device )->defaultLowInputLatency;
    inputParameters.hostApiSpecificStreamInfo = NULL;

    /* Record some audio. -------------------------------------------- */
    err = Pa_OpenStream(
              &stream,
              &inputParameters,
              NULL,                  /* &outputParameters, */
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              recordCallback,
              &data );
    if( err != paNoError ) goto done;

    err = Pa_StartStream( stream );
    if( err != paNoError ) goto done;
    printf("\n=== Now recording!! Please speak into the microphone. ===\n"); fflush(stdout);

    while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
    {
        Pa_Sleep(1000);
        printf("index = %d\n", data.frameIndex ); fflush(stdout);
    }
    if( err < 0 ) goto done;

    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto done;

    /* Measure maximum peak amplitude. */
    max = 0;
    average = 0.0;
    for( i=0; i<numSamples; i++ )
    {
        val = data.recordedSamples[i];
        if( val < 0 ) val = -val; /* ABS */
        if( val > max )
        {
            max = val;
        }
        average += val;
    }

    average = average / (double)numSamples;

    printf("sample max amplitude = "PRINTF_S_FORMAT"\n", max );
    printf("sample average = %lf\n", average );
    /* Segunda gravacao:*/
    
    err = Pa_OpenStream(
              &stream,
              &inputParameters,
              NULL,                  /* &outputParameters, */
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              recordCallback,
              &data2 );
    if( err != paNoError ) goto done;

    err = Pa_StartStream( stream );
    if( err != paNoError ) goto done;
    printf("\n=== Now recording!! Please speak into the microphone. ===\n"); fflush(stdout);

    while( ( err = Pa_IsStreamActive( stream ) ) == 1 )
    {
        Pa_Sleep(1000);
        printf("index = %d\n", data2.frameIndex ); fflush(stdout);
    }
    if( err < 0 ) goto done;

    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto done;

    /* Measure maximum peak amplitude. */
    max = 0;
    average = 0.0;
    for( i=0; i<numSamples; i++ )
    {
        val = data2.recordedSamples[i];
        if( val < 0 ) val = -val; /* ABS */
        if( val > max )
        {
            max = val;
        }
        average += val;
    }

    average = average / (double)numSamples;

    printf("sample max amplitude = "PRINTF_S_FORMAT"\n", max );
    printf("sample average = %lf\n", average );

    /* Write recorded data to a file. */
#if WRITE_TO_FILE
    {
        FILE  *fid;
        fid = fopen("recorded.raw", "wb");
        if( fid == NULL )
        {
            printf("Could not open file.");
        }
        else
        {
            fwrite( data.recordedSamples, NUM_CHANNELS * sizeof(SAMPLE), totalFrames, fid );
            fclose( fid );
            printf("Wrote data to 'recorded.raw'\n");
        }
    }
#endif
    /* Playback recorded data.  -------------------------------------------- */
    data.frameIndex = 0;
    data2.frameIndex = 0;

    outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
    if (outputParameters.device == paNoDevice) {
        fprintf(stderr,"Error: No default output device.\n");
        goto done;
    }
    outputParameters.channelCount = 2;                     /* stereo output */
    outputParameters.sampleFormat =  PA_SAMPLE_TYPE;
    outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
    outputParameters.hostApiSpecificStreamInfo = NULL;

    printf("\n=== Now playing back. ===\n"); fflush(stdout);
    
    err = Pa_OpenStream(
              &stream,
              NULL, /* no input */
              &outputParameters,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              playCallback,
              &data );
    if( err != paNoError ) goto done;
    
    err = Pa_OpenStream(
              &stream2,
              NULL, /* no input */
              &outputParameters,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              paClipOff,      /* we won't output out of range samples so don't bother clipping them */
              playCallback,
              &data2 );
    if( err != paNoError ) goto done;

    if( stream )
    {
        err = Pa_StartStream( stream );
        if( err != paNoError ) goto done;
        

        
        err = Pa_StartStream( stream2 );
        if( err != paNoError ) goto done;
        
        printf("Waiting for playback to finish.\n"); fflush(stdout);
        
       
        
        while((err = Pa_IsStreamActive(stream2)) == 1) Pa_Sleep(100);
        
        if( err < 0 ) goto done;
        
        err = Pa_CloseStream( stream );
        if( err != paNoError ) goto done;
        err = Pa_CloseStream( stream2 );
        if( err != paNoError ) goto done;
        
        printf("Done.\n"); fflush(stdout);
    }

done:
    Pa_Terminate();
    if( data.recordedSamples )       /* Sure it is NULL or valid. */
        free( data.recordedSamples );
    if( err != paNoError )
    {
        fprintf( stderr, "An error occured while using the portaudio stream\n" );
        fprintf( stderr, "Error number: %d\n", err );
        fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
        err = 1;          /* Always return 0 or 1, but no other return codes. */
    }
    return err;
}
コード例 #14
0
ファイル: patest_wire.c プロジェクト: ruthmagnus/audacity
int main(void)
{
    PaError err;
    WireConfig_t CONFIG;
    WireConfig_t *config = &CONFIG;
    int configIndex = 0;;

    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    printf("Please connect audio signal to input and listen for it on output!\n");
    printf("input format = %lu\n", INPUT_FORMAT );
    printf("output format = %lu\n", OUTPUT_FORMAT );
    printf("input device ID  = %d\n", INPUT_DEVICE );
    printf("output device ID = %d\n", OUTPUT_DEVICE );

    if( INPUT_FORMAT == OUTPUT_FORMAT )
    {
        gInOutScaler = 1.0;
    }
    else if( (INPUT_FORMAT == paInt16) && (OUTPUT_FORMAT == paFloat32) )
    {
        gInOutScaler = 1.0/32768.0;
    }
    else if( (INPUT_FORMAT == paFloat32) && (OUTPUT_FORMAT == paInt16) )
    {
        gInOutScaler = 32768.0;
    }

    for( config->isInputInterleaved = 0; config->isInputInterleaved < 2; config->isInputInterleaved++ )
    {
        for( config->isOutputInterleaved = 0; config->isOutputInterleaved < 2; config->isOutputInterleaved++ )
        {
            for( config->numInputChannels = 1; config->numInputChannels < 3; config->numInputChannels++ )
            {
                for( config->numOutputChannels = 1; config->numOutputChannels < 3; config->numOutputChannels++ )
                {
                    /* If framesPerCallback = 0, assertion fails in file pa_common/pa_process.c, line 1413: EX. */
                    for( config->framesPerCallback = 64; config->framesPerCallback < 129; config->framesPerCallback += 64 )
                    {
                        printf("-----------------------------------------------\n" );
                        printf("Configuration #%d\n", configIndex++ );
                        err = TestConfiguration( config );
                        /* Give user a chance to bail out. */
                        if( err == 1 )
                        {
                            err = paNoError;
                            goto done;
                        }
                        else if( err != paNoError ) goto error;
                    }
                }
            }
        }
    }

done:
    Pa_Terminate();
    printf("Full duplex sound test complete.\n");
    fflush(stdout);
    printf("Hit ENTER to quit.\n");
    fflush(stdout);
    getchar();
    return 0;

error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    printf("Hit ENTER to quit.\n");
    fflush(stdout);
    getchar();
    return -1;
}
コード例 #15
0
ファイル: patest_wire.c プロジェクト: dirocco/portaudio
int main(void)
{
    PortAudioStream *stream;
    PaError err;
    const    PaDeviceInfo *inputInfo;
    const    PaDeviceInfo *outputInfo;
    int      numChannels;
    
    err = Pa_Initialize();
    if( err != paNoError ) goto error;
    
    printf("PortAudio Test: input device ID  = %d\n", INPUT_DEVICE );
    printf("PortAudio Test: output device ID = %d\n", OUTPUT_DEVICE );
    
    /* Use as many channels aspossible. */
    inputInfo = Pa_GetDeviceInfo( INPUT_DEVICE );
    outputInfo = Pa_GetDeviceInfo( OUTPUT_DEVICE );
    /* Use smaller count. */
    numChannels = (inputInfo->maxInputChannels < outputInfo->maxOutputChannels) ?
        inputInfo->maxInputChannels : outputInfo->maxOutputChannels;
        
    printf("maxInputChannels channels = %d\n", inputInfo->maxInputChannels );
    printf("maxOutputChannels channels = %d\n", outputInfo->maxOutputChannels );
    if( numChannels > 0 )
    {
        printf("Using %d channels.\n", numChannels );
        
        err = Pa_OpenStream(
                &stream,
                INPUT_DEVICE,
                numChannels,
                PA_SAMPLE_TYPE,
                NULL,
                OUTPUT_DEVICE,
                numChannels,
                PA_SAMPLE_TYPE,
                NULL,
                SAMPLE_RATE,
                FRAMES_PER_BUFFER,            /* frames per buffer */
                0,               /* number of buffers, if zero then use default minimum */
                paClipOff,       /* we won't output out of range samples so don't bother clipping them */
                wireCallback,
                (void *) numChannels );  /* pass numChannels to callback */
        if( err != paNoError ) goto error;
        
        err = Pa_StartStream( stream );
        if( err != paNoError ) goto error;
        
        printf("Full duplex sound test in progress.\n");
        printf("Hit ENTER to exit test.\n");  fflush(stdout);
        getchar();
        
        printf("Closing stream.\n");
        err = Pa_CloseStream( stream );
        if( err != paNoError ) goto error;
    }
    else
    {
        printf("Sorry, not enough channels.\n");
    }
    Pa_Terminate();
    
    printf("Full duplex sound test complete.\n"); fflush(stdout);
    return 0;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return -1;
}
コード例 #16
0
int main(void)
{
    PortAudioStream *stream;
    PaError err;
    paTestData data;
    int i;
    int done = 0;
    printf("PortAudio Test: enter letter then hit ENTER. numBuffers = %d\n", NUM_BUFFERS );
    /* initialise sinusoidal wavetable */
    for( i=0; i<TABLE_SIZE; i++ )
    {
        data.sine[i] = 0.90f * (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
    }
    data.sine[TABLE_SIZE] = data.sine[0]; // set guard point
    data.left_phase = data.right_phase = 0.0;
    data.phase_increment = CalcPhaseIncrement(MIN_FREQ);

    err = Pa_Initialize();
    if( err != paNoError ) goto error;
    printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );
    err = Pa_OpenStream(
              &stream,
              paNoDevice,
              0,              /* no input */
              paFloat32,  /* 32 bit floating point input */
              NULL,
              OUTPUT_DEVICE,
              2,              /* stereo output */
              paFloat32,      /* 32 bit floating point output */
              NULL,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              NUM_BUFFERS,    /* number of buffers, if zero then use default minimum */
              paClipOff|paDitherOff, /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;
    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;
    printf("Play ASCII keyboard. Hit 'q' to stop. (Use RETURN key on Mac)\n");
    fflush(stdout);
    while ( !done )
    {
        float  freq;
        int index;
        char c;
        do
        {
            c = getchar();
        }
        while( c < ' '); /* Strip white space and control chars. */

        if( c == 'q' ) done = 1;
        index = c % 26;
        freq = MIN_FREQ + (index * 40.0);
        data.phase_increment = CalcPhaseIncrement(freq);
    }
    printf("Call Pa_StopStream()\n");
    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #17
0
ファイル: patest_latency.c プロジェクト: svn2github/PortAudio
int main(void)
{
    PaStream *stream;
    PaStreamParameters outputParameters;
    PaError err;
    paTestData data;
    int i;
    int done = 0;

    printf("PortAudio Test: enter letter then hit ENTER.\n" );
    /* initialise sinusoidal wavetable */
    for( i=0; i<TABLE_SIZE; i++ )
    {
        data.sine[i] = 0.90f * (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
    }
    data.sine[TABLE_SIZE] = data.sine[0]; /* set guard point. */
    data.left_phase = data.right_phase = 0.0;
    data.phase_increment = CalcPhaseIncrement(MIN_FREQ);

    err = Pa_Initialize();
    if( err != paNoError ) goto error;
    printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );

    outputParameters.device = OUTPUT_DEVICE;
    outputParameters.channelCount = 2;         /* stereo output */
    outputParameters.sampleFormat = paFloat32; /* 32 bit floating point output */
    outputParameters.suggestedLatency = Pa_GetDeviceInfo( outputParameters.device )->defaultLowOutputLatency;
    outputParameters.hostApiSpecificStreamInfo = NULL;
    
    printf("Requested output latency = %.4f seconds.\n", outputParameters.suggestedLatency );
    printf("%d frames per buffer.\n.", FRAMES_PER_BUFFER );

    err = Pa_OpenStream(
              &stream,
              NULL, /* no input */
              &outputParameters,
              SAMPLE_RATE,
              FRAMES_PER_BUFFER,
              paClipOff|paDitherOff,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;

    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;
    printf("Play ASCII keyboard. Hit 'q' to stop. (Use RETURN key on Mac)\n");
    fflush(stdout);
    while ( !done )
    {
        float  freq;
        int index;
        char c;
        do
        {
            c = getchar();
        }
        while( c < ' '); /* Strip white space and control chars. */

        if( c == 'q' ) done = 1;
        index = c % 26;
        freq = MIN_FREQ + (index * 40.0);
        data.phase_increment = CalcPhaseIncrement(freq);
    }
    printf("Call Pa_StopStream()\n");
    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #18
0
ファイル: AudioIO.cpp プロジェクト: LuaAV/LuaAV
	~InitSingleton(){ if(mCleanUp){ Pa_Terminate(); } }
コード例 #19
0
ファイル: patest_hang.c プロジェクト: AntiMoron/portaudio
int main(void)
{
    PaStream*           stream;
    PaStreamParameters  outputParameters;
    PaError             err;
    int                 i;
    paTestData          data = {0};
    
    printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n",
        SAMPLE_RATE, FRAMES_PER_BUFFER );

    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    outputParameters.device = Pa_GetDefaultOutputDevice(); /* Default output device. */
    if (outputParameters.device == paNoDevice) {
      fprintf(stderr,"Error: No default output device.\n");
      goto error;
    }
    outputParameters.channelCount = 1;                     /* Mono output. */
    outputParameters.sampleFormat = paFloat32;             /* 32 bit floating point. */
    outputParameters.hostApiSpecificStreamInfo = NULL;
    outputParameters.suggestedLatency          = Pa_GetDeviceInfo(outputParameters.device)
                                                 ->defaultLowOutputLatency;
    err = Pa_OpenStream(&stream,
                        NULL,                    /* No input. */
                        &outputParameters,
                        SAMPLE_RATE,
                        FRAMES_PER_BUFFER,
                        paClipOff,               /* No out of range samples. */
                        patestCallback,
                        &data);
    if (err != paNoError) goto error;
    
    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;

    /* Gradually increase sleep time. */
    /* Was: for( i=0; i<10000; i+= 1000 ) */
    for(i=0; i <= 1000; i += 100)
    {
        printf("Sleep for %d milliseconds in audio callback.\n", i );
        data.sleepFor = i;
        Pa_Sleep( ((i<1000) ? 1000 : i) );
    }
    
    printf("Suffer for 10 seconds.\n");
    Pa_Sleep( 10000 );
    
    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;
    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto error;
    Pa_Terminate();
    printf("Test finished.\n");
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #20
0
int main(void)
{
    PaStreamParameters outputParameters;
    PaStream *stream;
    PaError err;
    paTestData data;
    PaTime startTime;

    printf("PortAudio Test: output sine wave. SR = %d, BufSize = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER);

    data.left_phase = data.right_phase = 0;

    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
    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,      /* we won't output out of range samples so don't bother clipping them */
              patestCallback,
              &data );
    if( err != paNoError ) goto error;
          
    /* Watch until sound is halfway finished. */
    printf("Play for %d seconds.\n", NUM_SECONDS/2 ); fflush(stdout);

    data.outTime = -1.0; /* mark time for callback as undefined */
    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;

    startTime = Pa_GetStreamTime( stream );

    do
    {
        ReportStreamTime( stream, &data );
        Pa_Sleep(100);
    } while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) );
    
    /* Stop sound for 2 seconds. */
    err = Pa_StopStream( stream );
    if( err != paNoError ) goto error;
    
    printf("Pause for 2 seconds.\n"); fflush(stdout);
    Pa_Sleep( 2000 );

    data.outTime = -1.0; /* mark time for callback as undefined */
    err = Pa_StartStream( stream );
    if( err != paNoError ) goto error;

    startTime = Pa_GetStreamTime( stream );
    
    printf("Play until sound is finished.\n"); fflush(stdout);
    do
    {
        ReportStreamTime( stream, &data );
        Pa_Sleep(100);
    } while( (Pa_GetStreamTime( stream ) - startTime) < (NUM_SECONDS/2) );
    
    err = Pa_CloseStream( stream );
    if( err != paNoError ) goto error;

    Pa_Terminate();
    printf("Test finished.\n");
    return err;
    
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}
コード例 #21
0
ファイル: patest_sine_srate.c プロジェクト: edd83/Skype-like
int main(void)
{
    PaStreamParameters outputParameters;
    PaStream *stream;
    PaError err;
    paTestData data;
#ifdef __APPLE__
    PaMacCoreStreamInfo macInfo;
#endif
    int i;

    /* initialise sinusoidal wavetable */
    for( i=0; i<TABLE_SIZE; i++ )
    {
        data.sine[i] = (float) sin( ((double)i/(double)TABLE_SIZE) * M_PI * 2. );
    }
    data.left_phase = data.right_phase = 0;

    err = Pa_Initialize();
    if( err != paNoError ) goto error;

    for( i=0; i<2; ++i ) {
        const float sr = i ? SAMPLE_RATE2 : SAMPLE_RATE1;
        printf("PortAudio Test: output sine wave. SR = %g, BufSize = %d\n", sr, FRAMES_PER_BUFFER);
        outputParameters.device = Pa_GetDefaultOutputDevice(); /* default output device */
        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;
        /** setup host specific info */
#ifdef __APPLE__
        PaMacCore_SetupStreamInfo( &macInfo, paMacCorePro );
        outputParameters.hostApiSpecificStreamInfo = &macInfo;
#else
        printf( "Hardware SR changing not being tested on this platform.\n" );
        outputParameters.hostApiSpecificStreamInfo = NULL;
#endif
        err = Pa_OpenStream(
                  &stream,
                  NULL, /* no input */
                  &outputParameters,
                  sr,
                  FRAMES_PER_BUFFER,
                  paClipOff,      /* we won't output out of range samples so don't bother clipping them */
                  patestCallback,
                  &data );
       if( err != paNoError ) goto error;

       err = Pa_StartStream( stream );
       if( err != paNoError ) goto error;

       printf("Play for %d seconds.\n", NUM_SECONDS );
       Pa_Sleep( NUM_SECONDS * 1000 );

       err = Pa_StopStream( stream );
       if( err != paNoError ) goto error;

       err = Pa_CloseStream( stream );
       if( err != paNoError ) goto error;
    }

    Pa_Terminate();
    printf("Test finished.\n");
    
    return err;
error:
    Pa_Terminate();
    fprintf( stderr, "An error occured while using the portaudio stream\n" );
    fprintf( stderr, "Error number: %d\n", err );
    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
    return err;
}