2012-06-10 16:08:43 +00:00
|
|
|
/**********************************************************************
|
|
|
|
|
|
|
|
Audacity: A Digital Audio Editor
|
|
|
|
|
|
|
|
Paulstretch.cpp
|
|
|
|
|
|
|
|
Nasca Octavian Paul
|
2012-06-10 16:24:37 +00:00
|
|
|
Some GUI code was taken from the Echo effect
|
2012-06-10 16:08:43 +00:00
|
|
|
|
|
|
|
*******************************************************************/
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
|
|
\class EffectPaulstretch
|
|
|
|
\brief An Extreme Time Stretch and Time Smear effect
|
|
|
|
|
|
|
|
*//****************************************************************/
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
|
|
|
\class PaulstretchDialog
|
|
|
|
\brief PaulstretchDialog used with EffectPaulstretch
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*******************************************************************/
|
|
|
|
|
|
|
|
#include "../Audacity.h"
|
|
|
|
|
|
|
|
#include <wx/defs.h>
|
|
|
|
#include <wx/button.h>
|
|
|
|
#include <wx/sizer.h>
|
|
|
|
#include <wx/stattext.h>
|
|
|
|
#include <wx/textctrl.h>
|
|
|
|
#include <wx/validate.h>
|
|
|
|
#include <wx/valtext.h>
|
|
|
|
|
|
|
|
#include <wx/generic/textdlgg.h>
|
|
|
|
#include <wx/intl.h>
|
|
|
|
#include <math.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
|
|
#include "Paulstretch.h"
|
|
|
|
#include "../WaveTrack.h"
|
|
|
|
#include "../FFT.h"
|
|
|
|
|
|
|
|
|
|
|
|
EffectPaulstretch::EffectPaulstretch(){
|
|
|
|
amount=10.0;
|
|
|
|
time_resolution=0.25;
|
|
|
|
};
|
|
|
|
|
|
|
|
wxString EffectPaulstretch::GetEffectDescription(){
|
|
|
|
// Note: This is useful only after values have been set.
|
2012-06-10 16:24:37 +00:00
|
|
|
return wxString::Format(_("Applied effect: %s stretch factor = %f times, time resolution = %f seconds"),
|
2012-06-10 16:08:43 +00:00
|
|
|
this->GetEffectName().c_str(), amount,time_resolution);
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
bool EffectPaulstretch::PromptUser(){
|
|
|
|
PaulstretchDialog dlog(this, mParent);
|
|
|
|
dlog.amount = amount;
|
|
|
|
dlog.time_resolution = time_resolution;
|
|
|
|
dlog.CentreOnParent();
|
|
|
|
dlog.ShowModal();
|
|
|
|
|
|
|
|
if (dlog.GetReturnCode() == wxID_CANCEL)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
amount = dlog.amount;
|
|
|
|
time_resolution = dlog.time_resolution;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
};
|
|
|
|
|
|
|
|
bool EffectPaulstretch::TransferParameters(Shuttle &shuttle){
|
2012-06-10 16:24:37 +00:00
|
|
|
shuttle.TransferFloat(wxT("Stretch Factor"),amount,10.0);
|
2012-06-10 16:08:43 +00:00
|
|
|
shuttle.TransferFloat(wxT("Time Resolution"),time_resolution,0.25);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
bool EffectPaulstretch::Process(){
|
|
|
|
CopyInputTracks();
|
|
|
|
SelectedTrackListOfKindIterator iter(Track::Wave, mOutputTracks);
|
|
|
|
WaveTrack *track = (WaveTrack *) iter.First();
|
2012-06-14 22:46:55 +00:00
|
|
|
m_t1=mT1;
|
2012-06-10 16:08:43 +00:00
|
|
|
int count=0;
|
|
|
|
while (track) {
|
|
|
|
double trackStart = track->GetStartTime();
|
|
|
|
double trackEnd = track->GetEndTime();
|
|
|
|
double t0 = mT0 < trackStart? trackStart: mT0;
|
|
|
|
double t1 = mT1 > trackEnd? trackEnd: mT1;
|
|
|
|
|
|
|
|
if (t1 > t0) {
|
|
|
|
if (!ProcessOne(track, t0,t1,count))
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
track = (WaveTrack *) iter.Next();
|
|
|
|
count++;
|
|
|
|
}
|
|
|
|
mT1=m_t1;
|
|
|
|
|
|
|
|
ReplaceProcessedTracks(true);
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
class PaulStretch{
|
|
|
|
public:
|
|
|
|
PaulStretch(float rap_,int in_bufsize_,float samplerate_);
|
|
|
|
//in_bufsize is also a half of a FFT buffer (in samples)
|
|
|
|
virtual ~PaulStretch();
|
|
|
|
|
|
|
|
void process(float *smps,int nsmps);
|
|
|
|
|
|
|
|
int in_bufsize;
|
|
|
|
int poolsize;//how many samples are inside the input_pool size (need to know how many samples to fill when seeking)
|
|
|
|
|
|
|
|
int out_bufsize;
|
|
|
|
float *out_buf;
|
|
|
|
|
|
|
|
int get_nsamples();//how many samples are required to be added in the pool next time
|
|
|
|
int get_nsamples_for_fill();//how many samples are required to be added for a complete buffer refill (at start of the song or after seek)
|
|
|
|
|
|
|
|
void set_rap(float newrap);//set the current stretch value
|
|
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
virtual void process_spectrum(float *freq){};
|
|
|
|
float samplerate;
|
|
|
|
private:
|
|
|
|
float *in_pool;//de marimea in_bufsize
|
|
|
|
float rap;
|
|
|
|
float *old_out_smp_buf;
|
|
|
|
|
|
|
|
float *fft_smps,*fft_c,*fft_s,*fft_freq,*fft_tmp;
|
|
|
|
|
|
|
|
double remained_samples;//how many fraction of samples has remained (0..1)
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
bool EffectPaulstretch::ProcessOne(WaveTrack *track,double t0,double t1,int count){
|
|
|
|
|
|
|
|
int stretch_buf_size;//must be power of 2 (because Audacity's fft requires it)
|
2012-06-17 01:51:05 +00:00
|
|
|
if (time_resolution<0.001) time_resolution=0.001f;
|
2012-06-10 16:08:43 +00:00
|
|
|
{
|
|
|
|
float tmp=track->GetRate()*time_resolution*0.5;
|
|
|
|
tmp=log(tmp)/log(2.0);
|
|
|
|
tmp=pow(2.0,floor(tmp+0.5));
|
|
|
|
stretch_buf_size=(int)tmp;
|
|
|
|
};
|
|
|
|
if (stretch_buf_size<128) stretch_buf_size=128;
|
|
|
|
double amount=this->amount;
|
|
|
|
if (amount<1.0) amount=1.0;
|
|
|
|
|
|
|
|
sampleCount start = track->TimeToLongSamples(t0);
|
|
|
|
sampleCount end = track->TimeToLongSamples(t1);
|
|
|
|
sampleCount len = (sampleCount)(end - start);
|
|
|
|
|
|
|
|
m_t1=mT1;
|
|
|
|
|
|
|
|
if (len<=(stretch_buf_size*2+1)){//error because the selection is too short
|
2012-06-10 16:38:29 +00:00
|
|
|
/* i18n-hint: This is an effect error message, for the effect named Paulstretch.
|
|
|
|
* Time Resolution is a parameter of the effect, the translation should match
|
|
|
|
*/
|
|
|
|
::wxMessageBox(_("Error in Paulstretch:\nThe selection is too short.\n It must be much longer than the Time Resolution."));
|
2012-06-10 16:08:43 +00:00
|
|
|
return false;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
double adjust_amount=(double)len/((double)len-((double)stretch_buf_size*2.0));
|
|
|
|
amount=1.0+(amount-1.0)*adjust_amount;
|
|
|
|
|
|
|
|
WaveTrack * outputTrack = mFactory->NewWaveTrack(track->GetSampleFormat(),track->GetRate());
|
|
|
|
|
|
|
|
PaulStretch *stretch=new PaulStretch(amount,stretch_buf_size,track->GetRate());
|
|
|
|
|
|
|
|
sampleCount nget=stretch->get_nsamples_for_fill();
|
|
|
|
|
|
|
|
int bufsize=stretch->poolsize;
|
|
|
|
float *buffer0=new float[bufsize];
|
|
|
|
float *bufferptr0=buffer0;
|
|
|
|
sampleCount outs=0;
|
|
|
|
bool first_time=true;
|
|
|
|
|
|
|
|
int fade_len=100;
|
|
|
|
if (fade_len>(bufsize/2-1)) fade_len=bufsize/2-1;
|
|
|
|
float *fade_track_smps=new float[fade_len];
|
|
|
|
sampleCount s=0;
|
|
|
|
bool cancelled=false;
|
|
|
|
|
|
|
|
while (s<len){
|
|
|
|
track->Get((samplePtr)bufferptr0,floatSample,start+s,nget);
|
|
|
|
stretch->process(buffer0,nget);
|
|
|
|
|
|
|
|
if (first_time) {
|
|
|
|
stretch->process(buffer0,0);
|
|
|
|
};
|
|
|
|
|
|
|
|
outs+=stretch->out_bufsize;
|
|
|
|
s+=nget;
|
|
|
|
|
|
|
|
if (first_time){//blend the the start of the selection
|
|
|
|
track->Get((samplePtr)fade_track_smps,floatSample,start,fade_len);
|
|
|
|
first_time=false;
|
|
|
|
for (int i=0;i<fade_len;i++){
|
|
|
|
float fi=(float)i/(float)fade_len;
|
|
|
|
stretch->out_buf[i]=stretch->out_buf[i]*fi+(1.0-fi)*fade_track_smps[i];
|
|
|
|
};
|
|
|
|
};
|
|
|
|
if (s>=len){//blend the end of the selection
|
|
|
|
track->Get((samplePtr)fade_track_smps,floatSample,end-fade_len,fade_len);
|
|
|
|
for (int i=0;i<fade_len;i++){
|
|
|
|
float fi=(float)i/(float)fade_len;
|
|
|
|
int i2=bufsize/2-1-i;
|
|
|
|
stretch->out_buf[i2]=stretch->out_buf[i2]*fi+(1.0-fi)*fade_track_smps[fade_len-1-i];
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
|
|
outputTrack->Append((samplePtr)stretch->out_buf,floatSample,stretch->out_bufsize);
|
|
|
|
|
|
|
|
nget=stretch->get_nsamples();
|
|
|
|
if (TrackProgress(count, (s / (double) len))) {
|
|
|
|
cancelled=true;
|
|
|
|
break;
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
|
|
delete [] fade_track_smps;
|
|
|
|
outputTrack->Flush();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
track->Clear(t0,t1);
|
|
|
|
track->Paste(t0,outputTrack);
|
|
|
|
if (!cancelled){
|
|
|
|
double flen=t1-t0;
|
|
|
|
if (s>0) m_t1=t0+flen*(double)outs/(double)(s);
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
delete stretch;
|
|
|
|
delete []buffer0;
|
|
|
|
|
|
|
|
delete outputTrack;
|
|
|
|
return !cancelled;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PaulStretch::PaulStretch(float rap_,int in_bufsize_,float samplerate_){
|
|
|
|
samplerate=samplerate_;
|
|
|
|
rap=rap_;
|
|
|
|
in_bufsize=in_bufsize_;
|
|
|
|
if (rap<1.0) rap=1.0;
|
|
|
|
out_bufsize=in_bufsize;
|
|
|
|
if (out_bufsize<8) out_bufsize=8;
|
|
|
|
|
|
|
|
out_buf=new float[out_bufsize];
|
|
|
|
old_out_smp_buf=new float[out_bufsize*2];for (int i=0;i<out_bufsize*2;i++) old_out_smp_buf[i]=0.0;
|
|
|
|
|
|
|
|
poolsize=in_bufsize_*2;
|
|
|
|
in_pool=new float[poolsize];for (int i=0;i<poolsize;i++) in_pool[i]=0.0;
|
|
|
|
|
|
|
|
remained_samples=0.0;
|
|
|
|
|
|
|
|
fft_smps=new float[poolsize];
|
|
|
|
fft_s=new float[poolsize];
|
|
|
|
fft_c=new float[poolsize];
|
|
|
|
fft_freq=new float[poolsize];
|
|
|
|
fft_tmp=new float[poolsize];
|
|
|
|
for (int i=0;i<poolsize;i++) {
|
|
|
|
fft_smps[i]=0.0;
|
|
|
|
fft_c[i]=0.0;
|
|
|
|
fft_s[i]=0.0;
|
|
|
|
fft_freq[i]=0.0;
|
|
|
|
};
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
PaulStretch::~PaulStretch(){
|
|
|
|
delete [] out_buf;
|
|
|
|
delete [] old_out_smp_buf;
|
|
|
|
delete [] in_pool;
|
|
|
|
delete [] fft_smps;
|
|
|
|
delete [] fft_c;
|
|
|
|
delete [] fft_s;
|
|
|
|
delete [] fft_freq;
|
|
|
|
delete [] fft_tmp;
|
|
|
|
};
|
|
|
|
|
|
|
|
void PaulStretch::set_rap(float newrap){
|
|
|
|
if (rap>=1.0) rap=newrap;
|
|
|
|
else rap=1.0;
|
|
|
|
};
|
|
|
|
|
|
|
|
void PaulStretch::process(float *smps,int nsmps){
|
|
|
|
//add new samples to the pool
|
|
|
|
if ((smps!=NULL)&&(nsmps!=0)){
|
|
|
|
if (nsmps>poolsize){
|
|
|
|
nsmps=poolsize;
|
|
|
|
};
|
|
|
|
int nleft=poolsize-nsmps;
|
|
|
|
|
|
|
|
//move left the samples from the pool to make room for new samples
|
|
|
|
for (int i=0;i<nleft;i++) in_pool[i]=in_pool[i+nsmps];
|
|
|
|
|
|
|
|
//add new samples to the pool
|
|
|
|
for (int i=0;i<nsmps;i++) in_pool[i+nleft]=smps[i];
|
|
|
|
};
|
|
|
|
|
|
|
|
//get the samples from the pool
|
|
|
|
for (int i=0;i<poolsize;i++) fft_smps[i]=in_pool[i];
|
|
|
|
WindowFunc(3,poolsize,fft_smps);
|
|
|
|
|
|
|
|
RealFFT(poolsize,fft_smps,fft_c,fft_s);
|
|
|
|
|
|
|
|
for (int i=0;i<poolsize/2;i++) fft_freq[i]=sqrt(fft_c[i]*fft_c[i]+fft_s[i]*fft_s[i]);
|
|
|
|
process_spectrum(fft_freq);
|
|
|
|
|
|
|
|
|
|
|
|
//put randomize phases to frequencies and do a IFFT
|
2012-06-17 01:51:05 +00:00
|
|
|
float inv_2p15_2pi=1.0/16384.0*(float)M_PI;
|
2012-06-10 16:08:43 +00:00
|
|
|
for (int i=1;i<poolsize/2;i++){
|
|
|
|
unsigned int random=(rand())&0x7fff;
|
|
|
|
float phase=random*inv_2p15_2pi;
|
|
|
|
float s=fft_freq[i]*sin(phase);
|
|
|
|
float c=fft_freq[i]*cos(phase);
|
|
|
|
|
|
|
|
|
|
|
|
fft_c[i]=fft_c[poolsize-i]=c;
|
|
|
|
|
|
|
|
fft_s[i]=s;fft_s[poolsize-i]=-s;
|
|
|
|
};
|
|
|
|
fft_c[0]=fft_s[0]=0.0;
|
|
|
|
fft_c[poolsize/2]=fft_s[poolsize/2]=0.0;
|
|
|
|
|
|
|
|
FFT(poolsize,true,fft_c,fft_s,fft_smps,fft_tmp);
|
|
|
|
|
|
|
|
float max=0.0,max2=0.0;
|
|
|
|
for (int i=0;i<poolsize;i++){
|
|
|
|
float a=fabs(fft_tmp[i]);
|
|
|
|
if (a>max) max=a;
|
|
|
|
float b=fabs(fft_smps[i]);
|
|
|
|
if (b>max2) max2=b;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
//make the output buffer
|
|
|
|
float tmp=1.0/(float) out_bufsize*M_PI;
|
2012-06-17 01:51:05 +00:00
|
|
|
float hinv_sqrt2=0.853553390593f;//(1.0+1.0/sqrt(2))*0.5;
|
2012-06-10 16:08:43 +00:00
|
|
|
|
|
|
|
float ampfactor=1.0;
|
|
|
|
if (rap<1.0) ampfactor=rap*0.707;
|
|
|
|
else ampfactor=(out_bufsize/(float)poolsize)*4.0;
|
|
|
|
|
|
|
|
for (int i=0;i<out_bufsize;i++) {
|
|
|
|
float a=(0.5+0.5*cos(i*tmp));
|
|
|
|
float out=fft_smps[i+out_bufsize]*(1.0-a)+old_out_smp_buf[i]*a;
|
|
|
|
out_buf[i]=out*(hinv_sqrt2-(1.0-hinv_sqrt2)*cos(i*2.0*tmp))*ampfactor;
|
|
|
|
};
|
|
|
|
|
|
|
|
//copy the current output buffer to old buffer
|
|
|
|
for (int i=0;i<out_bufsize*2;i++) old_out_smp_buf[i]=fft_smps[i];
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
int PaulStretch::get_nsamples(){
|
|
|
|
double r=out_bufsize/rap;
|
|
|
|
int ri=(int)floor(r);
|
|
|
|
double rf=r-floor(r);
|
|
|
|
|
|
|
|
remained_samples+=rf;
|
|
|
|
if (remained_samples>=1.0){
|
|
|
|
ri+=(int)floor(remained_samples);
|
|
|
|
remained_samples=remained_samples-floor(remained_samples);
|
|
|
|
};
|
|
|
|
|
|
|
|
if (ri>poolsize){
|
|
|
|
ri=poolsize;
|
|
|
|
};
|
|
|
|
|
|
|
|
return ri;
|
|
|
|
};
|
|
|
|
|
|
|
|
int PaulStretch::get_nsamples_for_fill(){
|
|
|
|
return poolsize;
|
|
|
|
};
|
|
|
|
|
|
|
|
BEGIN_EVENT_TABLE(PaulstretchDialog, EffectDialog)
|
|
|
|
EVT_BUTTON(ID_EFFECT_PREVIEW, PaulstretchDialog::OnPreview)
|
|
|
|
END_EVENT_TABLE()
|
|
|
|
|
|
|
|
PaulstretchDialog::PaulstretchDialog(EffectPaulstretch *effect, wxWindow *parent):EffectDialog(parent,wxT("Paulstretch")){
|
|
|
|
m_bLoopDetect=false;
|
|
|
|
m_pEffect=effect;
|
|
|
|
|
|
|
|
m_pTextCtrl_Amount=NULL;
|
|
|
|
m_pTextCtrl_TimeResolution=NULL;
|
|
|
|
|
|
|
|
amount=10.0;
|
|
|
|
time_resolution=0.25;
|
|
|
|
|
|
|
|
Init();
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
void PaulstretchDialog::PopulateOrExchange(ShuttleGui & S){
|
|
|
|
S.StartHorizontalLay(wxCENTER, false);
|
|
|
|
{
|
|
|
|
S.AddTitle(_("by Nasca Octavian Paul"));
|
|
|
|
}
|
|
|
|
|
|
|
|
S.EndHorizontalLay();
|
|
|
|
|
|
|
|
S.StartHorizontalLay(wxCENTER, false);
|
|
|
|
S.EndHorizontalLay();
|
|
|
|
S.StartMultiColumn(2, wxALIGN_CENTER);
|
|
|
|
{
|
2012-06-10 16:38:29 +00:00
|
|
|
/* i18n-hint: This is how many times longer the sound will be, e.g. applying
|
|
|
|
* the effect to a 1-second sample, with the default Stretch Factor of 10.0
|
|
|
|
* will give an (approximately) 10 second sound
|
|
|
|
*/
|
2012-06-10 16:24:37 +00:00
|
|
|
m_pTextCtrl_Amount = S.AddTextBox(_("Stretch Factor:"),wxT("10.0"),10);
|
2012-06-10 16:08:43 +00:00
|
|
|
m_pTextCtrl_Amount->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
|
|
|
|
|
2012-06-10 16:24:37 +00:00
|
|
|
m_pTextCtrl_TimeResolution= S.AddTextBox(_("Time Resolution (seconds):"), wxT("0.25"),10);
|
2012-06-10 16:08:43 +00:00
|
|
|
m_pTextCtrl_TimeResolution->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
|
|
|
|
}
|
|
|
|
S.EndMultiColumn();
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
bool PaulstretchDialog::TransferDataToWindow(){
|
|
|
|
m_bLoopDetect = true;
|
|
|
|
|
|
|
|
wxString str;
|
|
|
|
if (m_pTextCtrl_Amount) {
|
|
|
|
str.Printf(wxT("%g"), amount);
|
|
|
|
m_pTextCtrl_Amount->SetValue(str);
|
|
|
|
}
|
|
|
|
if (m_pTextCtrl_TimeResolution) {
|
|
|
|
str.Printf(wxT("%g"), time_resolution);
|
|
|
|
m_pTextCtrl_TimeResolution->SetValue(str);
|
|
|
|
}
|
|
|
|
|
|
|
|
m_bLoopDetect = false;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
bool PaulstretchDialog::TransferDataFromWindow(){
|
|
|
|
double newValue;
|
|
|
|
wxString str;
|
|
|
|
if (m_pTextCtrl_Amount) {
|
|
|
|
str = m_pTextCtrl_Amount->GetValue();
|
|
|
|
str.ToDouble(&newValue);
|
|
|
|
amount = (float)(newValue);
|
|
|
|
}
|
|
|
|
if (m_pTextCtrl_TimeResolution) {
|
|
|
|
str = m_pTextCtrl_TimeResolution->GetValue();
|
|
|
|
str.ToDouble(&newValue);
|
|
|
|
time_resolution = (float)(newValue);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void PaulstretchDialog::OnPreview(wxCommandEvent &event){
|
|
|
|
TransferDataFromWindow();
|
|
|
|
|
|
|
|
// Save & restore parameters around Preview, because we didn't do OK.
|
|
|
|
float oldAmount = m_pEffect->amount;
|
|
|
|
float oldTimeResolution = m_pEffect->time_resolution;
|
|
|
|
|
|
|
|
m_pEffect->amount = amount;
|
|
|
|
m_pEffect->time_resolution = time_resolution;
|
|
|
|
|
|
|
|
m_pEffect->Preview();
|
|
|
|
|
|
|
|
m_pEffect->amount = oldAmount;
|
|
|
|
m_pEffect->time_resolution = oldTimeResolution;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|