/**
* \fn getNextFrame
* @param fn
* @param image
* @return
*/
bool AVDM_FadeTo::getNextFrame(uint32_t *fn,ADMImage *image)
{
*fn=nextFrame;
ADMImage *next= vidCache->getImage(nextFrame);
if(!next)
{
ADM_info("[Fade] Cant get image \n");
return false;
}
image->Pts=next->Pts;
uint64_t absPts=next->Pts+getAbsoluteStartTime();
bool out_of_scope=false;
if(absPts<param.startFade*1000LL) out_of_scope=true;
if(absPts>param.endFade*1000LL) out_of_scope=true;
if(!out_of_scope && !first)
{
first=new ADMImageDefault(next->GetWidth (PLANAR_Y),next->GetHeight(PLANAR_Y));
first->duplicateFull (next);
}
if( out_of_scope || !first)
{
image->duplicate(next);
nextFrame++;
vidCache->unlockAll();
return true;
}
double scope=1000LL*(param.endFade-param.startFade);
double in;
if(!scope)
{
scope=1;
in=1;
}else
{
in=absPts-param.startFade*1000LL;
}
in=in/scope;
in*=255;
uint32_t offset=(uint32_t)floor(in+0.4); // normalized to 0--255, begin -- end
process(first,next,image,offset);
vidCache->unlockAll();
nextFrame++;
return 1;
}
/**
* \fn getNextFrame
* @param fn
* @param image
* @return
*/
bool AVDM_Fade::getNextFrame(uint32_t *fn,ADMImage *image)
{
*fn=nextFrame;
ADMImage *next= vidCache->getImage(nextFrame);
if(!next)
{
ADM_info("[Fade] Cant get image \n");
return false;
}
image->Pts=next->Pts;
uint64_t absPts=next->Pts+getAbsoluteStartTime();
bool out_of_scope=false;
if(absPts<param.startFade*1000LL) out_of_scope=true;
if(absPts>param.endFade*1000LL) out_of_scope=true;
if( out_of_scope)
{
image->duplicate(next);
nextFrame++;
vidCache->unlockAll();
return true;
}
double scope=1000LL*(param.endFade-param.startFade);
double in;
if(!scope)
{
scope=1;
in=1;
}else
{
in=absPts-param.startFade*1000LL;
}
in=in/scope;
in*=255;
uint32_t offset=(uint32_t)floor(in+0.4); // normalized to 0--255
if(param.toBlack)
{
uint8_t *splanes[3],*dplanes[3];
int spitches[3],dpitches[3];
next->GetReadPlanes(splanes);
next->GetPitches(spitches);
image->GetReadPlanes(dplanes);
image->GetPitches(dpitches);
for(int i=0;i<3;i++)
{
uint16_t *indx=lookupChroma[offset];
if(!i) indx=lookupLuma[offset];
int w=(int)image->GetWidth((ADM_PLANE)i);
int h=(int)image->GetHeight((ADM_PLANE)i);
uint8_t *s=splanes[i];
uint8_t *d=dplanes[i];
for(int y=0;y<h;y++)
{
for(int x=0;x<w;x++)
{
d[x]=indx[s[x]]>>8;
}
d+=dpitches[i];
s+=spitches[i];
}
}
vidCache->unlockAll();
nextFrame++;
return 1;
}
