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eamad: avoid NULL derefence when missing the reference frame.

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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 6bfe0d4c3d
commit 6e20554a6d
1 changed files with 2 additions and 1 deletions
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libavcodec/eamad.c
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@@ -205,6 +205,7 @@ static void decode_mb(MadContext *t, int inter)
for (j=0; j<6; j++) { for (j=0; j<6; j++) {
if (mv_map & (1<<j)) { // mv_x and mv_y are guarded by mv_map if (mv_map & (1<<j)) { // mv_x and mv_y are guarded by mv_map
int add = 2*decode_motion(&s->gb); int add = 2*decode_motion(&s->gb);
if (t->last_frame.data[0])
comp_block(t, s->mb_x, s->mb_y, j, mv_x, mv_y, add); comp_block(t, s->mb_x, s->mb_y, j, mv_x, mv_y, add);
} else { } else {
s->dsp.clear_block(t->block); s->dsp.clear_block(t->block);