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Version 4.2.0

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This commit is contained in:
Gary Scavone
2009-03-24 23:02:14 -04:00
committed by Stephen Sinclair
parent cf06b7598b
commit a6381b9d38
281 changed files with 17152 additions and 12000 deletions
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144
src/RtWvOut.cpp
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@@ -1,6 +1,6 @@
/***************************************************/
/*! \class RtWvOut
\brief STK realtime audio output class.
\brief STK realtime audio (blocking) output class.
This class provides a simplified interface to
RtAudio for realtime audio output. It is a
@@ -14,19 +14,19 @@
takes a pointer to multi-channel sample
frame data.
by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
by Perry R. Cook and Gary P. Scavone, 1995 - 2004.
*/
/***************************************************/
#include "RtWvOut.h"
#include <iostream>
RtWvOut :: RtWvOut( unsigned int nChannels, MY_FLOAT sampleRate, int device, int bufferFrames, int nBuffers )
RtWvOut :: RtWvOut( unsigned int nChannels, StkFloat sampleRate, int device, int bufferFrames, int nBuffers )
{
// We'll let RtAudio deal with channel and srate limitations.
channels = nChannels;
channels_ = nChannels;
bufferSize_ = bufferFrames;
RtAudioFormat format = ( sizeof(MY_FLOAT) == 8 ) ? RTAUDIO_FLOAT64 : RTAUDIO_FLOAT32;
RtAudioFormat format = ( sizeof(StkFloat) == 8 ) ? RTAUDIO_FLOAT64 : RTAUDIO_FLOAT32;
audio_ = 0;
try {
@@ -36,11 +36,11 @@ RtWvOut :: RtWvOut( unsigned int nChannels, MY_FLOAT sampleRate, int device, int
handleError( error.getMessageString(), StkError::AUDIO_SYSTEM );
}
// Now open a stream and set the callback function.
// Now open a stream and get the buffer pointer.
try {
audio_->openStream(device, (int)channels, 0, 0, format,
audio_->openStream(device, (int)channels_, 0, 0, format,
(int)sampleRate, &bufferSize_, nBuffers);
data = (MY_FLOAT *) audio_->getStreamBuffer();
dataPtr_ = (StkFloat *) audio_->getStreamBuffer();
}
catch (RtError &error) {
handleError( error.getMessageString(), StkError::AUDIO_SYSTEM );
@@ -54,7 +54,6 @@ RtWvOut :: ~RtWvOut()
if ( !stopped_ )
audio_->stopStream();
delete audio_;
data = 0;
}
void RtWvOut :: start()
@@ -75,62 +74,155 @@ void RtWvOut :: stop()
unsigned long RtWvOut :: getFrames( void ) const
{
return totalCount;
return totalCount_;
}
MY_FLOAT RtWvOut :: getTime( void ) const
StkFloat RtWvOut :: getTime( void ) const
{
return (MY_FLOAT) totalCount / Stk::sampleRate();
return (StkFloat) totalCount_ / Stk::sampleRate();
}
void RtWvOut :: tick(const MY_FLOAT sample)
void RtWvOut :: tick( const StkFloat sample )
{
if ( stopped_ )
start();
for ( unsigned int j=0; j<channels; j++ )
data[counter*channels+j] = sample;
StkFloat input = sample;
this->clipTest( input );
for ( unsigned int j=0; j<channels_; j++ )
dataPtr_[counter_*channels_+j] = input;
counter++;
totalCount++;
counter_++;
totalCount_++;
if ( counter >= (unsigned int )bufferSize_ ) {
if ( counter_ >= (unsigned int )bufferSize_ ) {
try {
audio_->tickStream();
}
catch (RtError &error) {
handleError( error.getMessageString(), StkError::AUDIO_SYSTEM );
}
counter = 0;
counter_ = 0;
}
}
void RtWvOut :: tick(const MY_FLOAT *vector, unsigned int vectorSize)
void RtWvOut :: tick( const StkFloat *vector, unsigned int vectorSize )
{
for (unsigned int i=0; i<vectorSize; i++)
tick( vector[i] );
}
void RtWvOut :: tickFrame(const MY_FLOAT *frameVector, unsigned int frames)
void RtWvOut :: tick( const StkFrames& frames, unsigned int channel )
{
if ( channel == 0 || frames.channels() < channel ) {
errorString_ << "RtWvOut::tick(): channel argument (" << channel << ") is zero or > channels in StkFrames argument!";
handleError( StkError::FUNCTION_ARGUMENT );
}
if ( stopped_ )
start();
if ( frames.channels() == 1 ) {
for ( unsigned int i=0; i<frames.frames(); i++ )
tick( frames[i] );
}
else if ( frames.interleaved() ) {
unsigned int hop = frames.channels();
unsigned int index = channel - 1;
for ( unsigned int i=0; i<frames.frames(); i++ ) {
tick( frames[index] );
index += hop;
}
}
else {
unsigned int iStart = (channel - 1) * frames.frames();
for ( unsigned int i=0; i<frames.frames(); i++ )
tick( frames[iStart + i] );
}
}
void RtWvOut :: tickFrame( const StkFloat *frameVector, unsigned int frames )
{
if ( stopped_ )
start();
StkFloat sample;
for ( unsigned int i=0; i<frames; i++ ) {
for ( unsigned int j=0; j<channels; j++ ) {
data[counter*channels+j] = frameVector[i*channels+j];
for ( unsigned int j=0; j<channels_; j++ ) {
sample = frameVector[i*channels_+j];
this->clipTest( sample );
dataPtr_[counter_*channels_+j] = sample;
}
counter++;
counter_++;
totalCount_++;
if ( counter >= (unsigned int)bufferSize_ ) {
if ( counter_ >= (unsigned int)bufferSize_ ) {
try {
audio_->tickStream();
}
catch (RtError &error) {
handleError( error.getMessageString(), StkError::AUDIO_SYSTEM );
}
counter = 0;
counter_ = 0;
}
}
}
void RtWvOut :: tickFrame( const StkFrames& frames )
{
if ( channels_ != frames.channels() ) {
errorString_ << "RtWvOut::tickFrame(): incompatible channel value in StkFrames argument!";
handleError( StkError::FUNCTION_ARGUMENT );
}
if ( stopped_ )
start();
unsigned int j;
StkFloat sample;
if ( channels_ == 1 || frames.interleaved() ) {
unsigned long iFrames = 0, iData = counter_;
for ( unsigned int i=0; i<frames.frames(); i++ ) {
for ( j=0; j<channels_; j++ ) {
sample = frames[iFrames++];
this->clipTest( sample );
dataPtr_[iData++] = sample;
}
counter_++;
totalCount_++;
if ( counter_ >= (unsigned int)bufferSize_ ) {
try {
audio_->tickStream();
}
catch (RtError &error) {
handleError( error.getMessageString(), StkError::AUDIO_SYSTEM );
}
counter_ = 0;
}
}
}
else {
unsigned int hop = frames.frames();
unsigned long iData = counter_;
for ( unsigned int i=0; i<frames.frames(); i++ ) {
for ( j=0; j<channels_; j++ ) {
sample = frames[i + j*hop];
this->clipTest( sample );
dataPtr_[iData++] = sample;
}
counter_++;
totalCount_++;
if ( counter_ >= (unsigned int)bufferSize_ ) {
try {
audio_->tickStream();
}
catch (RtError &error) {
handleError( error.getMessageString(), StkError::AUDIO_SYSTEM );
}
counter_ = 0;
}
}
}
}