From: John Stebbins <jstebbins.hb@gmail.com>
Date: Thu, 29 Nov 2018 18:21:31 +0000 (-0800)
Subject: nvenc: fix chapter mark positions
X-Git-Tag: 1.2.0~41
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=037781bb69db95c01650683c3526be8c54760a2c;p=handbrake

nvenc: fix chapter mark positions

Set flag that forces nvenc to produce IDR frames when a keyframe is
forced.  We require IDR frames at chapter marks.
---

diff --git a/libhb/encavcodec.c b/libhb/encavcodec.c
index d7c525a91..3637be37e 100644
--- a/libhb/encavcodec.c
+++ b/libhb/encavcodec.c
@@ -358,6 +358,9 @@ int encavcodecInit( hb_work_object_t * w, hb_job_t * job )
             //for nvenc to "turn off" the maximum bitrate feature
             //that is normally applied to constant quality.
             context->bit_rate = bit_rate_ceiling;
+
+            // Force IDR frames when we force a new keyframe for chapters
+            av_dict_set( &av_opts, "forced-idr", "1", 0 );
         }
         else if ( job->vcodec == HB_VCODEC_FFMPEG_VCE_H264 || job->vcodec == HB_VCODEC_FFMPEG_VCE_H265 )
         {