avcodec/eatgq: Check init_get_bits8() for failure

Fixes CID1322315

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-09-04 11:53:38 +02:00
parent 66a7bc0010
commit c447ab0e74
1 changed files with 4 additions and 1 deletions

View File

@ -157,7 +157,10 @@ static int tgq_decode_mb(TgqContext *s, AVFrame *frame, int mb_y, int mb_x)
mode = bytestream2_get_byte(&s->gb);
if (mode > 12) {
GetBitContext gb;
init_get_bits8(&gb, s->gb.buffer, FFMIN(bytestream2_get_bytes_left(&s->gb), mode));
int ret = init_get_bits8(&gb, s->gb.buffer, FFMIN(bytestream2_get_bytes_left(&s->gb), mode));
if (ret < 0)
return ret;
for (i = 0; i < 6; i++)
tgq_decode_block(s, s->block[i], &gb);
tgq_idct_put_mb(s, s->block, frame, mb_x, mb_y);