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#ifndef __VFRAME_H
#define __VFRAME_H
#include "plugin.h"
struct vframeimage
{
char bitsname[40]; // name of shared memory to image data
// use this, not f.bits!
_frame f; // image header, see Plugins\plugin.h
};
LPVOID openframedatabyid( int id,
HANDLE *hvf, HANDLE *hbits,
LPVOID *memvf, LPVOID *membits,
struct vframeimage **vfp )
{
char s[80];
if(*membits!=NULL) smfree(hbits, *membits);
if(*memvf!=NULL) smfree(hvf, *memvf);
*membits=NULL;
itoa(id, s, 10);
*memvf = smopen(hvf, s);
if(*memvf!=NULL)
{
*vfp = *memvf;
*membits = smopen(hbits, ((struct vframeimage *)*vfp)->bitsname);
if(*membits==NULL)
{
printf("membits open error.\n");
smfree(hvf, *memvf);
} else {
}
}
return(*membits);
}
float max16 = 2<<14;
float max32 = 2<<23;
__inline float colortosample16(short c)
{
return(c / max16);
}
__inline float colortosample32(long c)
{
return(c / max32);
}
__inline short sampletocolor16(float s)
{
return(s * max16);
}
__inline long sampletocolor32(float s)
{
return(s * max32);
}
#endif
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