[FFmpeg-cvslog] avcodec/mpegvideo_enc: Check FLV1 resolution limits

[Michael Niedermayer]

ffmpeg | branch: release/4.3 | Michael Niedermayer <michael at niedermayer.cc> | Wed Jan  8 02:59:28 2025 +0100| [43b8852feba98ac668c217d331857706f5174396] | committer: Michael Niedermayer

avcodec/mpegvideo_enc: Check FLV1 resolution limits

Found-by: Elias Myllymäki <elias.myllymaki04p at gmail.com>
Reviewed-by: Alexander Strasser <eclipse7 at gmx.net>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 827c073154f4cc17d1bd3777dff3b58370210bcb)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=43b8852feba98ac668c217d331857706f5174396
---

 libavcodec/mpegvideo_enc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index d42f2db862..b5c3f6f612 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -562,6 +562,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
         av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
         return AVERROR(EINVAL);
     }
+    if (s->codec_id == AV_CODEC_ID_FLV1 &&
+        (avctx->width  > 65535 ||
+         avctx->height > 65535 )) {
+        av_log(avctx, AV_LOG_ERROR, "FLV does not support resolutions above 16bit\n");
+        return AVERROR(EINVAL);
+    }
     if ((s->codec_id == AV_CODEC_ID_H263  ||
          s->codec_id == AV_CODEC_ID_H263P) &&
         ((avctx->width &3) ||