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h264: Check that the codec isn't null before accessing it

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This fixes crashes introduced by 2e8f3cbcda, the codec can be null
when called from parsers.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö
2012-08-28 14:27:10 +03:00
parent 0b58c77ed1
commit 6f5b1a2ba4
1 changed files with 2 additions and 1 deletions
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3
libavcodec/h264.c
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@@ -3876,7 +3876,8 @@ again:
if (avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
h->cur_chroma_format_idc != h->sps.chroma_format_idc) {
if (s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU
if (s->avctx->codec &&
s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU
&& (h->sps.bit_depth_luma != 8 ||
h->sps.chroma_format_idc > 1)) {
av_log(avctx, AV_LOG_ERROR,