On Mon, Jan 4, 2016 at 3:44 PM, Andreas Cadhalpun
<andreas.cadhal...@googlemail.com> wrote:
> Otherwise this can have some surprising effects (crashes), so let's
> better not allow it.
>
> Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com>
> ---
> libavcodec/parser.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/libavcodec/parser.c b/libavcodec/parser.c
> index 2809158..1f38edb 100644
> --- a/libavcodec/parser.c
> +++ b/libavcodec/parser.c
> @@ -141,6 +141,17 @@ int av_parser_parse2(AVCodecParserContext *s,
> AVCodecContext *avctx,
> int index, i;
> uint8_t dummy_buf[AV_INPUT_BUFFER_PADDING_SIZE];
>
> + if (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]) {
Can't you use FFARRAY_ELEMS on codec_ids to make this more generic? No
opinion on the change itself.
> + av_log(avctx, AV_LOG_ERROR,
> + "The parser doesn't match the codec %s.\n",
> + avcodec_get_name(avctx->codec_id));
> + return buf_size;
> + }
> +
> if (!(s->flags & PARSER_FLAG_FETCHED_OFFSET)) {
> s->next_frame_offset =
> s->cur_offset = pos;
> --
> 2.6.4
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