if(srcFormat==IMGFMT_Y8) srcFormat=IMGFMT_Y800;
if(dstFormat==IMGFMT_Y8) dstFormat=IMGFMT_Y800;
- if(!isSupportedIn(srcFormat)) return NULL;
- if(!isSupportedOut(dstFormat)) return NULL;
+ if(!isSupportedIn(srcFormat))
+ {
+ fprintf(stderr, "swScaler: %s is not supported as input format\n", vo_format_name(srcFormat));
+ return NULL;
+ }
+ if(!isSupportedOut(dstFormat))
+ {
+ fprintf(stderr, "swScaler: %s is not supported as output format\n", vo_format_name(dstFormat));
+ return NULL;
+ }
/* sanity check */
- if(srcW<4 || srcH<1 || dstW<8 || dstH<1) return NULL; //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
+ if(srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
+ {
+ fprintf(stderr, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
+ srcW, srcH, dstW, dstH);
+ return NULL;
+ }
if(!dstFilter) dstFilter= &dummyFilter;
if(!srcFilter) srcFilter= &dummyFilter;