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-rw-r--r--libavcodec/motionpixels.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c
index 1564ea1151..d054e00342 100644
--- a/libavcodec/motionpixels.c
+++ b/libavcodec/motionpixels.c
@@ -281,6 +281,8 @@ static int mp_decode_frame(AVCodecContext *avctx,
if (sz == 0)
goto end;
+ if (mp->max_codes_bits <= 0)
+ goto end;
if (init_vlc(&mp->vlc, mp->max_codes_bits, mp->codes_count, &mp->codes[0].size, sizeof(HuffCode), 1, &mp->codes[0].code, sizeof(HuffCode), 4, 0))
goto end;
mp_decode_frame_helper(mp, &gb);