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tdemultimedia/arts/modules/mixers/simplemixerchannel_impl.cpp

133 lines
3.3 KiB

#include "artsmodulesmixers.h"
#include "flowsystem.h"
#include "stdsynthmodule.h"
#include "connect.h"
namespace Arts {
class SimpleMixerChannel_impl : virtual public SimpleMixerChannel_skel,
virtual public StdSynthModule
{
protected:
Synth_STD_EQUALIZER _equalizerLeft, _equalizerRight;
StereoEffectStack _insertEffects;
Synth_MUL mulGainLeft, mulGainRight;
Synth_MUL mulVolumeLeft, mulVolumeRight;
float _gainLeft, _gainRight, _pan, _volumeLeft, _volumeRight, pLeft, pRight;
std::string _name;
public:
SimpleMixerChannel_impl()
: _gainLeft(1.0), _gainRight(1.0), _pan(0), _volumeLeft(1.0), _volumeRight(1.0), pLeft(1), pRight(1)
{
setValue(mulVolumeLeft,"invalue2",_volumeLeft*pLeft);
setValue(mulVolumeRight,"invalue2",_volumeRight*pRight);
setValue(mulGainLeft,"invalue2",_gainLeft);
setValue(mulGainRight,"invalue2",_gainRight);
}
Synth_STD_EQUALIZER equalizerLeft() { return _equalizerLeft; }
Synth_STD_EQUALIZER equalizerRight() { return _equalizerRight; }
StereoEffectStack insertEffects() { return _insertEffects; }
float gainLeft() { return _gainLeft; }
void gainLeft(float g)
{
if(g != _gainLeft) {
_gainLeft = g;
setValue(mulGainLeft,"invalue2",g);
gainLeft_changed(g);
}
}
float gainRight() { return _gainRight; }
void gainRight(float g)
{
if(g != _gainRight) {
_gainRight = g;
setValue(mulGainRight,"invalue2",g);
gainRight_changed(g);
}
}
float volumeLeft() { return _volumeLeft; }
void volumeLeft(float v)
{
if(v != _volumeLeft) {
_volumeLeft = v;
setValue(mulVolumeLeft,"invalue2",v*pLeft);
volumeLeft_changed(v);
}
}
float volumeRight() { return _volumeRight; }
void volumeRight(float v)
{
if(v != _volumeRight) {
_volumeRight = v;
setValue(mulVolumeRight,"invalue2",v*pRight);
volumeRight_changed(v);
}
}
float pan() { return _pan; }
void pan(float p)
{
if(p != _pan)
{
_pan = p;
pLeft = 1.0;
pRight = 1.0;
if(p > 0)
pLeft = 1-p;
else
pRight = 1+p;
setValue(mulVolumeLeft,"invalue2",_volumeLeft*pLeft);
setValue(mulVolumeRight,"invalue2",_volumeRight*pRight);
pan_changed(p);
}
}
std::string name() { return _name; }
void name(const std::string& newName)
{
if(_name != newName) {
_name = newName;
name_changed(newName);
}
}
void streamInit()
{
_equalizerLeft.start();
_equalizerRight.start();
_insertEffects.start();
mulVolumeLeft.start();
mulVolumeRight.start();
mulGainLeft.start();
mulGainRight.start();
_node()->virtualize("inleft",mulGainLeft._node(),"invalue1");
_node()->virtualize("inright",mulGainRight._node(),"invalue1");
connect(mulGainLeft,"outvalue",_equalizerLeft,"invalue");
connect(mulGainRight,"outvalue",_equalizerRight,"invalue");
connect(_equalizerLeft,"outvalue",_insertEffects,"inleft");
connect(_equalizerRight,"outvalue",_insertEffects,"inright");
connect(_insertEffects,"outleft",mulVolumeLeft,"invalue1");
connect(_insertEffects,"outright",mulVolumeRight,"invalue1");
_node()->virtualize("outleft",mulVolumeLeft._node(),"outvalue");
_node()->virtualize("outright",mulVolumeRight._node(),"outvalue");
}
void streamEnd()
{
_equalizerLeft.stop();
_equalizerRight.stop();
_insertEffects.stop();
mulVolumeLeft.stop();
mulVolumeRight.stop();
mulGainLeft.stop();
mulGainRight.stop();
}
};
REGISTER_IMPLEMENTATION(SimpleMixerChannel_impl);
}