static void Process(unsigned char* p, int width, int height, char * outfilename)
{
unsigned char *rgb_buf = malloc(width * height * 3);
ConvertYUV2RGB(p, rgb_buf, width, height);
jpegWrite(rgb_buf, width, height, outfilename);
free(rgb_buf);
}
int DecompressFrame(unsigned char *cdata,int size,unsigned char *outdata,int outsize)
{
static int first=1,framenum=0;
//Initialize output pointers...
yp=NULL;
up=NULL;
vp=NULL;
// Copy to other buffer can be done...
// So that source buffer will be free
cindex=0; // index into the cframe....
csize=size; // size of compressed frame
cframe=cdata; // pointer to compressed frme
//memcpy(cframe,cdata,size);
// Reset the pointers...
initbits();
// Get the frame header
getheader();
// If first time...then call initdecoder....
// This has to be done after calling getheader()
// because getheader() setup some variables using the information
// from header...
if (first)
{
initdecoder();
first = 0;
}
// Decompress the frame and get the picture frame in YUV format
getpicture(&framenum);
framenum++;
if(yp==NULL || up==NULL || vp==NULL)
{
if(trace)
fputs("decompression failed...",dlog);
return 0;
}
// convert YUV to RGB
// ******* TODO *********
// check if outdata is enough to store rgb data
//
int totalsize=horizontal_size * vertical_size *3;
if(outsize< totalsize || outdata==NULL)
{
if(dlog)
fputs("Output buffer is not sufficient",dlog);
return 0;
}
ConvertYUV2RGB(yp,up,vp,outdata,horizontal_size,vertical_size);
return 1;
}
