Correctly detect 4-component images

Originally committed as revision 7002 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-11-13 05:28:55 +00:00
parent ffa0a3d6fe
commit ec8a152b6f

View File

@ -242,11 +242,12 @@ static int tiff_decode_tag(TiffContext *s, uint8_t *start, uint8_t *buf, uint8_t
else{
switch(type){
case TIFF_BYTE:
s->bpp = (off & 0xFF) + ((off >> 8) & 0xFF) + ((off >> 16) & 0xFF);
s->bpp = (off & 0xFF) + ((off >> 8) & 0xFF) + ((off >> 16) & 0xFF) + ((off >> 24) & 0xFF);
break;
case TIFF_SHORT:
case TIFF_LONG:
s->bpp = tget(&buf, type, s->le) + tget(&buf, type, s->le) + tget(&buf, type, s->le);
s->bpp = 0;
for(i = 0; i < count; i++) s->bpp += tget(&buf, type, s->le);
break;
default:
s->bpp = -1;