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//
// writevf.c
// put image data to vframe
//
// 1st argument is name of shared memory
// to struct vframeimage (see Externals\vframe.h)
//
#include <memory.h>
#include "plugin.h"
#include "sharemem.h"
#include "vframe.h"
void perform_effect(_frame f, _args a)
{
HANDLE hlvframe=NULL, hl=NULL;
LPVOID p=NULL;
struct vframeimage *vfp=NULL;
unsigned long c;
if(!a.s) return;
vfp = (struct vframeimage *)smopen(&hlvframe, a.s);
if(vfp==NULL) return;
// printf("name %s width %d height %d pf %d bits %s\n",
// a.s, vfp->f.width, vfp->f.height, vfp->f.pixelformat, vfp->bitsname);
if(f.pixelformat != vfp->f.pixelformat)
{
printf("fs2vf: pixelformats are different. no resampling available.\n");
return;
}
p = smopen(&hl, vfp->bitsname);
if(p==NULL)
{
CloseHandle(hlvframe);
return;
}
c = (f.height*f.lpitch < vfp->f.height*vfp->f.lpitch) ?
f.height*f.lpitch : vfp->f.height*vfp->f.lpitch;
memcpy(p, f.bits, c);
smfree(&hl, p);
smfree(&hlvframe, vfp);
}
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