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tdemultimedia/noatun/modules/artseffects/extrastereo_impl.cc

154 lines
3.5 KiB

#include "artsgui.h"
#include "artseffects.h"
#include "stdsynthmodule.h"
#include <dynamicrequest.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <convert.h>
#include "debug.h"
#include <connect.h>
#include <cstdlib>
using namespace Arts;
class ExtraStereo_impl : virtual public ExtraStereo_skel,
virtual public StdSynthModule
{
float _intensity;
// StereoEffectGUI mStereoEffectGUI;
public:
float intensity() { return _intensity; }
void intensity(float newValue) {
_intensity = newValue;
// cout << " **** INTENSITY = " << newValue << endl;
}
ExtraStereo_impl() : _intensity(2.0)
{
// mStereoEffectGUI = DynamicCast(server.createObject("Arts::ExtraStereo"));
// DynamicRequest(mStereoEffectGUI).method("_set_effect").param(*this).invoke();
}
void calculateBlock(unsigned long samples)
{
unsigned long i;
for(i = 0; i < samples; i++)
{
float average = (inleft[i] + inright[i]) / 2.0;
float outleftnew = average + (inleft[i] - average) * _intensity;
if(outleftnew > 1.0) outleft[i] = 1.0;
else if(outleftnew < -1.0) outleft[i] = -1.0;
else outleft[i] = outleftnew;
float outrightnew = average + (inright[i] - average) * _intensity;
if(outrightnew > 1.0) outright[i] = 1.0;
else if(outrightnew < -1.0) outright[i] = -1.0;
else outright[i] = outrightnew;
}
}
};
class VoiceRemoval_impl : virtual public VoiceRemoval_skel,
virtual public StdSynthModule
{
public:
VoiceRemoval_impl()
{
}
// This is based on the work of Anders Carlsson <anders.carlsson@tordata.se>
void calculateBlock(unsigned long samples)
{
for (unsigned i = 0; i < samples; i++)
{
float outleftnew=inleft[i]-inright[i];
float outrightnew=inright[i]-inleft[i];
if (inleft[i] < -1.0) outleftnew = -1.0;
else if (inleft[i] > 1.0) outleftnew = 1.0;
if (inright[i] < -1.0) outrightnew = -1.0;
else if (inright[i] > 1.0) outrightnew = 1.0;
outleft[i] = outleftnew;
outright[i] = outrightnew;
}
}
};
class RawWriter_impl : virtual public RawWriter_skel,
virtual public StdSynthModule
{
int mFd;
public:
RawWriter_impl()
{
std::string file=getenv("HOME");
file.append("/arts-write.raw");
mFd=::open(file.c_str(), O_RDWR | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
}
~RawWriter_impl()
{
::close(mFd);
}
// This is based on the work of Anders Carlsson <anders.carlsson@tordata.se>
void calculateBlock(unsigned long samples)
{
for (unsigned i = 0; i < samples; i++)
{
outleft[i]=inleft[i];
outright[i]=inright[i];
}
unsigned char *buffer=new unsigned char[samples*4];
convert_stereo_2float_i16le(samples,
inleft, inright, buffer);
::write(mFd, (const void*)buffer, samples*4);
delete [] buffer;
}
};
class ExtraStereoGuiFactory_impl : public ExtraStereoGuiFactory_skel
{
public:
Widget createGui(Object object)
{
arts_return_val_if_fail(!object.isNull(), Arts::Widget::null());
ExtraStereo e = DynamicCast(object);
arts_return_val_if_fail(!e.isNull(), Arts::Widget::null());
HBox hbox;
hbox.width(80);
hbox.height(80);
hbox.show();
Poti intense;
intense.caption("Intensity");
intense.color("red");
intense.min(0);
intense.max(5);
intense.value(e.intensity());
intense.parent(hbox);
intense.show();
connect(intense,"value_changed", e, "intensity");
hbox._addChild(intense,"intensityWidget");
return hbox;
}
};
REGISTER_IMPLEMENTATION(ExtraStereo_impl);
REGISTER_IMPLEMENTATION(VoiceRemoval_impl);
REGISTER_IMPLEMENTATION(RawWriter_impl);
REGISTER_IMPLEMENTATION(ExtraStereoGuiFactory_impl);