From 17c656518623e54ba5818e7bee965646421aeae0 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 2 Aug 2014 22:57:34 +0200 Subject: [PATCH] avcodec/mpeg12dec: Document Ticket3809 fix Suggested-by: Reimar Signed-off-by: Michael Niedermayer --- libavcodec/mpeg12dec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c index 27bb6e0809..6c6b34aece 100644 --- a/libavcodec/mpeg12dec.c +++ b/libavcodec/mpeg12dec.c @@ -1884,6 +1884,10 @@ static int mpeg_decode_slice(MpegEncContext *s, int mb_y, } else goto eos; } + // There are some files out there which are missing the last slice + // in cases where the slice is completely outside the vissible + // area, we detect this here instead of running into the end expecting + // more data if (s->mb_y >= ((s->height + 15) >> 4) && s->progressive_frame && !s->progressive_sequence &&