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avcodec/svq1dec: Check init_get_bits8() for failure 

Fixes: CID1322313

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a51d4246d8)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-09-04 01:18:13 +02:00
parent 7528e36774
commit 86f0534b48
1 changed files with 4 additions and 1 deletions
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5
libavcodec/svq1dec.c
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@ -617,9 +617,12 @@ static int svq1_decode_frame(AVCodecContext *avctx, void *data,
uint8_t *current;
int result, i, x, y, width, height;
svq1_pmv *pmv;
int ret;
/* initialize bit buffer */
init_get_bits8(&s->gb, buf, buf_size);
ret = init_get_bits8(&s->gb, buf, buf_size);
if (ret < 0)
return ret;
/* decode frame header */
s->frame_code = get_bits(&s->gb, 22);