Fixes null pointer dereference.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
c->pic.key_frame = !(compr & 1);
c->pic.pict_type = (compr & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
for(j = 0; j < avctx->height; j++){
c->pic.key_frame = !(compr & 1);
c->pic.pict_type = (compr & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
for(j = 0; j < avctx->height; j++){
+ if((compr & 1) && tmpptr){
for(i = 0; i < avctx->width; i++)
outptr[i] = srcptr[i] ^ tmpptr[i];
tmpptr += stride;
for(i = 0; i < avctx->width; i++)
outptr[i] = srcptr[i] ^ tmpptr[i];
tmpptr += stride;