avcodec/mpeg4videodec: Ignore multiple VOL headers

Fixes: Ticket7005 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

avcodec/mpeg4videodec: Ignore multiple VOL headers
Fixes: Ticket7005 Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
63a4bdbf · Michael Niedermayer · f4d5d7e8 · 63a4bdbf
Commit 63a4bdbf authored Feb 09, 2018 by Michael Niedermayer
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mpeg4videodec.c libavcodec/mpeg4videodec.c +2 -2

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--- 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");
+                av_log(s->avctx, AV_LOG_WARNING, "Ignoring multiple VOL headers\n");
-                return AVERROR_INVALIDDATA;
+                continue;
            }
            vol++;
            if ((ret = decode_vol_header(ctx, gb)) < 0)