From 849ad5175b7980aab5801a1ee15dbd0d595cd3c8 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 13 Feb 2015 04:20:55 +0100 Subject: [PATCH] avformat/mov: Heuristically detect raw udta Fixes tkhd+moov fragment provided by koda Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 52b6728544..fb3edee129 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -338,7 +338,7 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom) case MKTAG(0xa9,'w','r','t'): key = "composer"; break; case MKTAG(0xa9,'x','y','z'): key = "location"; break; } - +retry: if (c->itunes_metadata && atom.size > 8) { int data_size = avio_rb32(pb); int tag = avio_rl32(pb); @@ -358,6 +358,11 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom) } else return 0; } else if (atom.size > 4 && key && !c->itunes_metadata && !raw) { str_size = avio_rb16(pb); // string length + if (str_size > atom.size) { + raw = 1; + avio_seek(pb, -2, SEEK_CUR); + goto retry; + } langcode = avio_rb16(pb); ff_mov_lang_to_iso639(langcode, language); atom.size -= 4;