[FFmpeg-cvslog] h264_metadata: Avoid integer overflow in bitrate

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Mon Sep 24 22:45:50 2018 +0100| [321294adb788b5e143fcec776cdf1daf79ed921c] | committer: Mark Thompson

h264_metadata: Avoid integer overflow in bitrate

Fixes CID #1439664.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=321294adb788b5e143fcec776cdf1daf79ed921c
---

 libavcodec/h264_metadata_bsf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/h264_metadata_bsf.c b/libavcodec/h264_metadata_bsf.c
index 991fcfa537..bf37528234 100644
--- a/libavcodec/h264_metadata_bsf.c
+++ b/libavcodec/h264_metadata_bsf.c
@@ -226,10 +226,10 @@ static int h264_metadata_update_sps(AVBSFContext *bsf,
 
             if (sps->vui.nal_hrd_parameters_present_flag) {
                 bit_rate = (sps->vui.nal_hrd_parameters.bit_rate_value_minus1[0] + 1) *
-                     (1 << (sps->vui.nal_hrd_parameters.bit_rate_scale + 6));
+                    (INT64_C(1) << (sps->vui.nal_hrd_parameters.bit_rate_scale + 6));
             } else if (sps->vui.vcl_hrd_parameters_present_flag) {
                 bit_rate = (sps->vui.vcl_hrd_parameters.bit_rate_value_minus1[0] + 1) *
-                     (1 << (sps->vui.vcl_hrd_parameters.bit_rate_scale + 6));
+                    (INT64_C(1) << (sps->vui.vcl_hrd_parameters.bit_rate_scale + 6));
                 // Adjust for VCL vs. NAL limits.
                 bit_rate = bit_rate * 6 / 5;
             } else {