h264_metadata: Avoid integer overflow in bitrate

Fixes CID #1439664.
6 years ago · 321294adb7
parent 581b4125aa
commit 321294adb7
1 changed files with 2 additions and 2 deletions
--- 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 {