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/*
* Modification History
*
* 2004-August-9 Jason Rohrer
* Created.
*
* 2004-August-12 Jason Rohrer
* Added support for getting blocks of samples.
*
* 2004-August-15 Jason Rohrer
* Added function that generates a playable sound.
*/
#include "StereoSoundParameterSpaceControlPoint.h"
#include "OnePointPlayableSound.h"
StereoSoundParameterSpaceControlPoint::StereoSoundParameterSpaceControlPoint(
SoundParameterSpaceControlPoint *inLeftPoint,
SoundParameterSpaceControlPoint *inRightPoint )
: mLeftPoint( inLeftPoint ), mRightPoint( inRightPoint ) {
}
StereoSoundParameterSpaceControlPoint::StereoSoundParameterSpaceControlPoint(
FILE *inFILE, char *outError ) {
char errorLeft = false;
char errorRight = false;
mLeftPoint = new SoundParameterSpaceControlPoint( inFILE, &errorLeft );
mRightPoint = new SoundParameterSpaceControlPoint( inFILE, &errorRight );
*outError = errorLeft || errorRight;
}
StereoSoundParameterSpaceControlPoint::
~StereoSoundParameterSpaceControlPoint() {
delete mLeftPoint;
delete mRightPoint;
}
ParameterSpaceControlPoint *StereoSoundParameterSpaceControlPoint::copy() {
// make copy of each channel point
return new StereoSoundParameterSpaceControlPoint(
(SoundParameterSpaceControlPoint *)( mLeftPoint->copy() ),
(SoundParameterSpaceControlPoint *)( mRightPoint->copy() ) );
}
ParameterSpaceControlPoint *StereoSoundParameterSpaceControlPoint::
createLinearBlend( ParameterSpaceControlPoint *inOtherPoint,
double inWeightOfOtherPoint ) {
StereoSoundParameterSpaceControlPoint *otherPoint =
(StereoSoundParameterSpaceControlPoint *)inOtherPoint;
SoundParameterSpaceControlPoint *blendLeft =
(SoundParameterSpaceControlPoint *)(
mLeftPoint->createLinearBlend( otherPoint->mLeftPoint,
inWeightOfOtherPoint ) );
SoundParameterSpaceControlPoint *blendRight =
(SoundParameterSpaceControlPoint *)(
mRightPoint->createLinearBlend( otherPoint->mRightPoint,
inWeightOfOtherPoint ) );
return new StereoSoundParameterSpaceControlPoint( blendLeft,
blendRight );
}
SoundSamples *StereoSoundParameterSpaceControlPoint::getSoundSamples(
unsigned long inStartSample,
unsigned long inSampleCount,
unsigned long inSamplesPerSecond,
double inSoundLengthInSeconds ) {
float *leftSamples = mLeftPoint->getSoundSamples( inStartSample,
inSampleCount,
inSamplesPerSecond,
inSoundLengthInSeconds );
float *rightSamples = mRightPoint->getSoundSamples( inStartSample,
inSampleCount,
inSamplesPerSecond,
inSoundLengthInSeconds );
return new SoundSamples( inSampleCount, leftSamples, rightSamples );
}
PlayableSound *StereoSoundParameterSpaceControlPoint::getPlayableSound(
unsigned long inSamplesPerSecond,
double inSoundLengthInSeconds ) {
return new OnePointPlayableSound(
(StereoSoundParameterSpaceControlPoint *)( this->copy() ),
inSoundLengthInSeconds,
inSamplesPerSecond );
}
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