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avformat/concatdec: check that there's extradata before trying to copy it

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The first argument for memcpy must not be NULL.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2022-11-17 10:52:33 -03:00
parent cb925c0bc0
commit 63db6a02a7
1 changed files with 3 additions and 2 deletions
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libavformat/concatdec.c
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@@ -181,6 +181,7 @@ static int copy_stream_props(AVStream *st, AVStream *source_st)
if (ret < 0) if (ret < 0)
return ret; return ret;
} }
if (source_st->codecpar->extradata_size)
memcpy(st->codecpar->extradata, source_st->codecpar->extradata, memcpy(st->codecpar->extradata, source_st->codecpar->extradata,
source_st->codecpar->extradata_size); source_st->codecpar->extradata_size);
return 0; return 0;