[FFmpeg-cvslog] avcodec/lcldec: 420 seems missing 2 bytes, ignore that

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Thu Mar  9 13:57:16 2023 +0100| [4ea28554db5195a3981822f88e55262ed0429411] | committer: Michael Niedermayer

avcodec/lcldec: 420 seems missing 2 bytes, ignore that

Fixes: Ticket 10238
Fixes: mszh_306_306_yuv420.avi

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4ea28554db5195a3981822f88e55262ed0429411
---

 libavcodec/lcldec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c
index 0196460eb2..f9a0755e4d 100644
--- a/libavcodec/lcldec.c
+++ b/libavcodec/lcldec.c
@@ -219,7 +219,9 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
                 if (c->decomp_size != mszh_dlen) {
                     av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %d)\n",
                            c->decomp_size, mszh_dlen);
-                    return AVERROR_INVALIDDATA;
+                    if (c->decomp_size != mszh_dlen &&
+                        c->decomp_size != mszh_dlen + 2) // YUV420 306x306 is missing 2 bytes
+                        return AVERROR_INVALIDDATA;
                 }
                 encoded = c->decomp_buf;
                 len = mszh_dlen;