avformat/mxfenc: reject unsupported ffv1 versions

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

avformat/mxfenc: reject unsupported ffv1 versions
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
feeeefc3 · Jerome Martinez · Michael Niedermayer · f0cd5610 · feeeefc3
Unverified Commit feeeefc3 authored Apr 04, 2023 by Jerome Martinez Committed by Michael Niedermayer Apr 05, 2023
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mxfenc.c libavformat/mxfenc.c +4 -0

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--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -2493,6 +2493,10 @@ static int mxf_parse_ffv1_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt)
        if (v > 4) {
            return 0;
        }
+        if (v > 4) {
+            av_log(s, AV_LOG_ERROR, "unsupported ffv1 version %d\n", v);
+            return 0;
+        }
        sc->micro_version = get_ffv1_unsigned_symbol(&c, state);
    } else {
        uint8_t keystate = 128;