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parser: add av_assert1 to make sure the codec matches

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Otherwise this can have some surprising effects (crashes), so let's
better not allow it.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2016-01-04 23:52:20 +01:00
parent c3c22bee63
commit fa74cdc60d
1 changed files with 7 additions and 0 deletions
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7
libavcodec/parser.c
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@ -141,6 +141,13 @@ int av_parser_parse2(AVCodecParserContext *s, AVCodecContext *avctx,
int index, i;
uint8_t dummy_buf[AV_INPUT_BUFFER_PADDING_SIZE];
/* Parsers only work for the specified codec ids. */
av_assert1(avctx->codec_id == s->parser->codec_ids[0] ||
avctx->codec_id == s->parser->codec_ids[1] ||
avctx->codec_id == s->parser->codec_ids[2] ||
avctx->codec_id == s->parser->codec_ids[3] ||
avctx->codec_id == s->parser->codec_ids[4]);
if (!(s->flags & PARSER_FLAG_FETCHED_OFFSET)) {
s->next_frame_offset =
s->cur_offset = pos;