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;
}
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;
}
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;
}
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;
}
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;
}
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);
}
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;
}
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;
}
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;
}
AudioIO::~AudioIO()
{
Pa_Terminate();
}
int quit(int rc) {
Pa_Terminate();
exit(rc);
};
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", & );
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
~InitSingleton(){ if(mCleanUp){ Pa_Terminate(); } }
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;
}
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;
}
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;
}