Backupppert/jellyfin
0
0
Fork 0
mirror of https://github.com/jellyfin/jellyfin.git synced 2024-07-24 22:48:56 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add limiting max keyframe interval when full transcoding

Browse source
This commit is contained in:
Vasily 2019-10-09 13:46:01 +03:00
parent 986ea5c636
commit 2f6879e869
1 changed files with 12 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs
View file

@ -927,6 +927,18 @@ namespace MediaBrowser.Api.Playback.Hls
" -force_key_frames:0 \"expr:gte(t,{0}+n_forced*{1})\"",
GetStartNumber(state) * state.SegmentLength,
state.SegmentLength.ToString(CultureInfo.InvariantCulture));
if (state.TargetFramerate.HasValue)
{
// This is to make sure keyframe interval is limited to our segment,
// as forcing keyframes is not enough.
// Example: we ecoded half of desired length, then codec detected
// scene cut and inserted a keyframe; next forced keyframe would
// be created outside of segment, which breaks seeking.
keyFrameArg += string.Format(
" -g {0} -keyint_min {0}",
(int)(state.SegmentLength * state.TargetFramerate)
);
}
var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode;