[FFmpeg-devel] [PATCH 1/2] avcodec/mpeg4videodec: Ignore multiple VOL headers

Michael Niedermayer michael at niedermayer.cc
Fri Feb 9 23:24:58 EET 2018


Fixes: Ticket7005

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/mpeg4videodec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 756753e2fc..19210d97fe 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -2707,8 +2707,8 @@ int ff_mpeg4_decode_picture_header(Mpeg4DecContext *ctx, GetBitContext *gb)
 
         if (startcode >= 0x120 && startcode <= 0x12F) {
             if (vol) {
-                av_log(s->avctx, AV_LOG_ERROR, "Multiple VOL headers");
-                return AVERROR_INVALIDDATA;
+                av_log(s->avctx, AV_LOG_WARNING, "Ignoring multiple VOL headers\n");
+                continue;
             }
             vol++;
             if ((ret = decode_vol_header(ctx, gb)) < 0)
-- 
2.16.1



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