2017-02-14 16:30 GMT+08:00 Miroslav Slugeň <thunde...@email.cz>: > Dne 14.2.2017 v 04:59 Steven Liu napsal(a): > > 2017-02-13 21:15 GMT+08:00 Miroslav Slugeň <thunde...@email.cz>: >> >> This patch will fix cutting hls segments into exactly same length. Because >>> it will intialize only on first ref_packet, which is video frame, not >>> audio >>> frame (old behavior) >>> >>> Now it should be possible to create segments at exactly same length if we >>> use new -force_key_frames hls:time_in_seconds parameter. >>> >>> This is required to support adaptive HLS. >>> >>> This patch was splitted to two parts, this is first independent part >>> >>> -- >>> Miroslav Slugeň >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> ffmpeg-devel mailing list >>> ffmpeg-devel@ffmpeg.org >>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel >>> >>> >>> Patch can compile passed, but i cannot reproduce the problem before your >> patch, can you send a reproduce step and test file? >> _______________________________________________ >> ffmpeg-devel mailing list >> ffmpeg-devel@ffmpeg.org >> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel >> > I can provide you with sample. But this explanation should be enough: > > When you use -copyts for long time audio/video sync when transcoding from > MPEGTS stream, audio comes always sooner than video (it is around 1-2 s), > so hlsenc is initialized with audio packet PTS instead of video packet PTS. > That is not correct if you wan't to have all segments with same length > -forced_keyframes to force keyframe at video position. Every other > calculations of hls_time is done only on ref_packets which is video. This > scenario is problematic when encoder is also inserting keyframes by its own > decision (libx264 default behavior).
command line please! > > > M. > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
