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avcodec/dvdsub_parser: Init output buf/size

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9e6c843776)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-07-13 18:54:48 +02:00
parent e7dc6231e2
commit d7d237a441
1 changed files with 3 additions and 0 deletions
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3
libavcodec/dvdsub_parser.c
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@ -44,6 +44,9 @@ static int dvdsub_parse(AVCodecParserContext *s,
{
DVDSubParseContext *pc = s->priv_data;
*poutbuf = buf;
*poutbuf_size = buf_size;
if (pc->packet_index == 0) {
if (buf_size < 2 || AV_RB16(buf) && buf_size < 6) {
if (buf_size)