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| author | Michael Niedermayer <michael@niedermayer.cc> | 2025-03-25 12:30:16 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2025-03-27 22:02:36 +0100 |
| commit | 430065a97b08f7065629b743b26622980cd6e212 (patch) | |
| tree | c16b8c9fd64f55396f5f38c99e5bb02f6a27ed72 | |
| parent | ffd537bcc2da727495f860382a5c899e4fbe6dff (diff) | |
| download | ffmpeg-430065a97b08f7065629b743b26622980cd6e212.tar.gz | |
avcodec/ffv1dec: Fix end handling
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/ffv1dec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c index 25b5586410..3395f514f4 100644 --- a/libavcodec/ffv1dec.c +++ b/libavcodec/ffv1dec.c @@ -324,9 +324,9 @@ static int decode_remap(FFV1Context *f, FFV1SliceContext *sc) return AVERROR_INVALIDDATA; //not sure we should check this i += current_mul - 1 + delta; } - if (i == end) + if (i - 1 >= end) break; - if (i - 1 > end || j >= FF_ARRAY_ELEMS(sc->fltmap[p])) + if (j >= FF_ARRAY_ELEMS(sc->fltmap[p])) return AVERROR_INVALIDDATA; if (end <= 0xFFFF) { sc->fltmap [p][j++] = i ^ ((i& 0x8000) ? 0 : flip); |