diff options
| -rw-r--r-- | MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs index 069dd41d0..8cbe4af1e 100644 --- a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs +++ b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs @@ -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; |