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Version 4.3.0

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This commit is contained in:
Gary Scavone
2009-03-24 23:02:15 -04:00
committed by Stephen Sinclair
parent 2cbce2d8bd
commit 27d9b79dc7
271 changed files with 22219 additions and 8834 deletions
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71
projects/demo/demo.cpp
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@@ -20,11 +20,10 @@
#include "utilities.h"
#include <signal.h>
#include <cmath>
#include <iostream>
#include <algorithm>
#if !defined(__OS_WINDOWS__) // Windoze bogosity for VC++ 6.0
using std::min;
#endif
using std::min;
bool done;
static void finish(int ignore){ done = true; }
@@ -48,6 +47,7 @@ struct TickData {
bool realtime;
bool settling;
bool haveMessage;
int frequency;
// Default constructor.
TickData()
@@ -75,13 +75,13 @@ void processMessage( TickData* data )
case __SK_NoteOn_:
if ( value2 == 0.0 ) // velocity is zero ... really a NoteOff
data->voicer->noteOff( value1, 64.0 );
data->voicer->noteOff( value1, 64.0, data->message.channel );
else // a NoteOn
data->voicer->noteOn( value1, value2 );
data->voicer->noteOn( value1, value2, data->message.channel );
break;
case __SK_NoteOff_:
data->voicer->noteOff( value1, value2 );
data->voicer->noteOff( value1, value2, data->message.channel );
break;
case __SK_ControlChange_:
@@ -90,21 +90,31 @@ void processMessage( TickData* data )
else if (value1 == 7.0)
data->volume = value2 * ONE_OVER_128;
else if (value1 == 49.0)
data->voicer->setFrequency( value2 );
data->voicer->setFrequency( value2, data->message.channel );
else if (value1 == 50.0)
data->voicer->controlChange( 128, value2, data->message.channel );
else if (value1 == 51.0)
data->frequency = data->message.intValues[1];
else if (value1 == 52.0) {
data->frequency += ( data->message.intValues[1] << 7 );
// Convert to a fractional MIDI note value
StkFloat note = 12.0 * log( data->frequency / 220.0 ) / log( 2.0 ) + 57.0;
data->voicer->setFrequency( note, data->message.channel );
}
else
data->voicer->controlChange( (int) value1, value2 );
data->voicer->controlChange( (int) value1, value2, data->message.channel );
break;
case __SK_AfterTouch_:
data->voicer->controlChange( 128, value1 );
data->voicer->controlChange( 128, value1, data->message.channel );
break;
case __SK_PitchChange_:
data->voicer->setFrequency( value1 );
data->voicer->setFrequency( value1, data->message.channel );
break;
case __SK_PitchBend_:
data->voicer->pitchBend( value1 );
data->voicer->pitchBend( value1, data->message.channel );
break;
case __SK_Volume_:
@@ -124,7 +134,7 @@ void processMessage( TickData* data )
data->currentVoice = voiceByNumber( (int)value1, &data->instrument[i] );
if ( data->currentVoice < 0 )
data->currentVoice = voiceByNumber( 0, &data->instrument[i] );
data->voicer->addInstrument( data->instrument[i] );
data->voicer->addInstrument( data->instrument[i], data->message.channel );
data->settling = false;
}
@@ -144,11 +154,12 @@ void processMessage( TickData* data )
// The tick() function handles sample computation and scheduling of
// control updates. If doing realtime audio output, 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 *dataPointer )
{
TickData *data = (TickData *) dataPointer;
register StkFloat sample, *samples = (StkFloat *) buffer;
int counter, nTicks = bufferSize;
register StkFloat sample, *samples = (StkFloat *) outputBuffer;
int counter, nTicks = (int) nBufferFrames;
while ( nTicks > 0 && !done ) {
@@ -186,7 +197,7 @@ int main( int argc, char *argv[] )
int i;
#if defined(__STK_REALTIME__)
RtAudio *dac = 0;
RtAudio dac;
#endif
// If you want to change the default sample rate (set in Stk.h), do
@@ -219,7 +230,7 @@ int main( int argc, char *argv[] )
data.voicer = (Voicer *) new Voicer( data.nVoices );
for ( i=0; i<data.nVoices; i++ )
data.voicer->addInstrument( data.instrument[i] );
data.voicer->addInstrument( data.instrument[i], i+1 );
// Parse the command-line flags, instantiate WvOut objects, and
// instantiate the input message controller (in utilities.cpp).
@@ -234,11 +245,14 @@ int main( int argc, char *argv[] )
#if defined(__STK_REALTIME__)
if ( data.realtime ) {
RtAudioFormat format = ( sizeof(StkFloat) == 8 ) ? RTAUDIO_FLOAT64 : RTAUDIO_FLOAT32;
int bufferSize = RT_BUFFER_SIZE;
RtAudio::StreamParameters parameters;
parameters.deviceId = dac.getDefaultOutputDevice();
parameters.nChannels = data.channels;
unsigned int bufferFrames = RT_BUFFER_SIZE;
try {
dac = new RtAudio(0, data.channels, 0, 0, format, (int)Stk::sampleRate(), &bufferSize, 4);
dac.openStream( &parameters, NULL, format, (unsigned int)Stk::sampleRate(), &bufferFrames, &tick, (void *)&data );
}
catch (RtError& error) {
catch ( RtError& error ) {
error.printMessage();
goto cleanup;
}
@@ -256,10 +270,9 @@ int main( int argc, char *argv[] )
#if defined(__STK_REALTIME__)
if ( data.realtime ) {
try {
dac->setStreamCallback(&tick, (void *)&data);
dac->startStream();
dac.startStream();
}
catch (RtError &error) {
catch ( RtError &error ) {
error.printMessage();
goto cleanup;
}
@@ -275,17 +288,16 @@ int main( int argc, char *argv[] )
else
#endif
// Call the "tick" function to process data.
tick( NULL, 256, (void *)&data );
tick( NULL, NULL, 256, 0, 0, (void *)&data );
}
// Shut down the callback and output stream.
// Shut down the output stream.
#if defined(__STK_REALTIME__)
if ( data.realtime ) {
try {
dac->cancelStreamCallback();
dac->closeStream();
dac.closeStream();
}
catch (RtError& error) {
catch ( RtError& error ) {
error.printMessage();
}
}
@@ -296,9 +308,6 @@ int main( int argc, char *argv[] )
for ( i=0; i<(int)data.nWvOuts; i++ ) delete data.wvout[i];
free( data.wvout );
#if defined(__STK_REALTIME__)
delete dac;
#endif
delete data.reverb;
delete data.voicer;