eamad: avoid NULL derefence when missing the reference frame.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6e20554a6d33e92b81dc3cfed6082e03bff2a7f8)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-10-08 23:40:32 +02:00 committed by Michael Niedermayer
parent 1b6e6439fa
commit 7b3c851526

View File

@ -205,7 +205,8 @@ static void decode_mb(MadContext *t, int inter)
for (j=0; j<6; j++) {
if (mv_map & (1<<j)) { // mv_x and mv_y are guarded by mv_map
int add = 2*decode_motion(&s->gb);
comp_block(t, s->mb_x, s->mb_y, j, mv_x, mv_y, add);
if (t->last_frame.data[0])
comp_block(t, s->mb_x, s->mb_y, j, mv_x, mv_y, add);
} else {
s->dsp.clear_block(t->block);
decode_block_intra(t, t->block);