mirror of
https://github.com/thestk/stk
synced 2026-01-11 20:11:52 +00:00
Version 4.3.0
This commit is contained in:
committed by
Stephen Sinclair
parent
2cbce2d8bd
commit
27d9b79dc7
@@ -20,12 +20,13 @@ struct TickData {
|
||||
// This tick() function handles sample computation only. It will be
|
||||
// called automatically when the system needs a new buffer of audio
|
||||
// samples.
|
||||
int tick(char *buffer, int bufferSize, void *dataPointer)
|
||||
int tick( void *outputBuffer, void *inputBuffer, unsigned int nBufferFrames,
|
||||
double streamTime, RtAudioStreamStatus status, void *userData )
|
||||
{
|
||||
TickData *data = (TickData *) dataPointer;
|
||||
register StkFloat *samples = (StkFloat *) buffer;
|
||||
TickData *data = (TickData *) userData;
|
||||
register StkFloat *samples = (StkFloat *) outputBuffer;
|
||||
|
||||
for ( int i=0; i<bufferSize; i++ ) {
|
||||
for ( unsigned int i=0; i<nBufferFrames; i++ ) {
|
||||
*samples++ = data->instrument->tick();
|
||||
if ( ++data->counter % 2000 == 0 ) {
|
||||
data->scaler += 0.025;
|
||||
@@ -46,15 +47,18 @@ int main()
|
||||
Stk::setRawwavePath( "../../rawwaves/" );
|
||||
|
||||
TickData data;
|
||||
RtAudio *dac = 0;
|
||||
RtAudio dac;
|
||||
|
||||
// Figure out how many bytes in an StkFloat and setup the RtAudio object.
|
||||
// Figure out how many bytes in an StkFloat and setup the RtAudio stream.
|
||||
RtAudio::StreamParameters parameters;
|
||||
parameters.deviceId = dac.getDefaultOutputDevice();
|
||||
parameters.nChannels = 1;
|
||||
RtAudioFormat format = ( sizeof(StkFloat) == 8 ) ? RTAUDIO_FLOAT64 : RTAUDIO_FLOAT32;
|
||||
int bufferSize = RT_BUFFER_SIZE;
|
||||
unsigned int bufferFrames = RT_BUFFER_SIZE;
|
||||
try {
|
||||
dac = new RtAudio(0, 1, 0, 0, format, (int)Stk::sampleRate(), &bufferSize, 4);
|
||||
dac.openStream( ¶meters, NULL, format, (unsigned int)Stk::sampleRate(), &bufferFrames, &tick, (void *)&data );
|
||||
}
|
||||
catch (RtError& error) {
|
||||
catch ( RtError& error ) {
|
||||
error.printMessage();
|
||||
goto cleanup;
|
||||
}
|
||||
@@ -63,7 +67,7 @@ int main()
|
||||
// Define and load the BeeThree instrument
|
||||
data.instrument = new BeeThree();
|
||||
}
|
||||
catch (StkError &) {
|
||||
catch ( StkError & ) {
|
||||
goto cleanup;
|
||||
}
|
||||
|
||||
@@ -71,10 +75,9 @@ int main()
|
||||
data.instrument->noteOn( data.frequency, 0.5 );
|
||||
|
||||
try {
|
||||
dac->setStreamCallback(&tick, (void *)&data);
|
||||
dac->startStream();
|
||||
dac.startStream();
|
||||
}
|
||||
catch (RtError &error) {
|
||||
catch ( RtError &error ) {
|
||||
error.printMessage();
|
||||
goto cleanup;
|
||||
}
|
||||
@@ -85,16 +88,14 @@ int main()
|
||||
|
||||
// Shut down the callback and output stream.
|
||||
try {
|
||||
dac->cancelStreamCallback();
|
||||
dac->closeStream();
|
||||
dac.closeStream();
|
||||
}
|
||||
catch (RtError &error) {
|
||||
catch ( RtError &error ) {
|
||||
error.printMessage();
|
||||
}
|
||||
|
||||
cleanup:
|
||||
delete data.instrument;
|
||||
delete dac;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user