[FFmpeg-devel] [PATCH] lavf/mov.c: Set duration to zero if the duration is UINT_MAX

Sasi Inguva isasi at google.com
Wed Oct 26 22:40:13 EEST 2016


Fixes some MP4F files which have duration in mdhd set to UINT_MAX instead of zero.

Signed-off-by: Sasi Inguva <isasi at google.com>
---
 libavformat/mov.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 357d800..245e424 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1221,6 +1221,11 @@ static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     sc->time_scale = avio_rb32(pb);
     st->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */
 
+    if ((version == 1 && st->duration == UINT64_MAX) ||
+        (version != 1 && st->duration == UINT32_MAX)) {
+        st->duration = 0;
+    }
+
     lang = avio_rb16(pb); /* language */
     if (ff_mov_lang_to_iso639(lang, language))
         av_dict_set(&st->metadata, "language", language, 0);
-- 
2.8.0.rc3.226.g39d4020



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