mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-09-20 13:26:39 +00:00
avcodec/h264_slice: Check sps in h264_slice_header_init()
Fixes: null pointer dereference
Fixes: h264_slice_header_init.mp4
Found-by: Rafael Dutra <rafael.dutra@cispa.de>
Tested-by: Rafael Dutra <rafael.dutra@cispa.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8047243899
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
c5a61adcca
commit
039ecef275
@ -922,6 +922,11 @@ static int h264_slice_header_init(H264Context *h)
|
||||
const SPS *sps = h->ps.sps;
|
||||
int i, ret;
|
||||
|
||||
if (!sps) {
|
||||
ret = AVERROR_INVALIDDATA;
|
||||
goto fail;
|
||||
}
|
||||
|
||||
ff_set_sar(h->avctx, sps->sar);
|
||||
av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt,
|
||||
&h->chroma_x_shift, &h->chroma_y_shift);
|
||||
|
Loading…
Reference in New Issue
Block a user