[FFmpeg-cvslog] lavc/h264_levels: Avoid integer overflow in bitrate

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Mon Sep 24 23:03:32 2018 +0100| [581b4125aa187f2cf848d7a27e6128573c80dc64] | committer: Mark Thompson

lavc/h264_levels: Avoid integer overflow in bitrate

Fixes CID #1439656.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=581b4125aa187f2cf848d7a27e6128573c80dc64
---

 libavcodec/h264_levels.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/h264_levels.c b/libavcodec/h264_levels.c
index 6b4e18a914..737b7dcf06 100644
--- a/libavcodec/h264_levels.c
+++ b/libavcodec/h264_levels.c
@@ -105,7 +105,7 @@ const H264LevelDescriptor *ff_h264_guess_level(int profile_idc,
         if (level->constraint_set3_flag && no_cs3f)
             continue;
 
-        if (bitrate > level->max_br * h264_get_br_factor(profile_idc))
+        if (bitrate > (int64_t)level->max_br * h264_get_br_factor(profile_idc))
             continue;
 
         if (width_mbs  * height_mbs > level->max_fs)