[FFmpeg-cvslog] avcodec/mpeg4videodec: Ignore multiple VOL headers

Michael Niedermayer git at videolan.org
Mon Feb 19 16:36:08 EET 2018


ffmpeg | branch: release/3.0 | Michael Niedermayer <michael at niedermayer.cc> | Fri Feb  9 22:24:58 2018 +0100| [ce46e45f4cb95fbfe4a787ccfbd0cabb94e8dccb] | committer: Michael Niedermayer

avcodec/mpeg4videodec: Ignore multiple VOL headers

Fixes: Ticket7005

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 63a4bdbf3b732504e54cc2b9ec0886e6242a90bc)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ce46e45f4cb95fbfe4a787ccfbd0cabb94e8dccb
---

 libavcodec/mpeg4videodec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index 705efe0e67..63adcf96d4 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -2653,8 +2653,8 @@ 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)



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