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diff --git a/DOCS/edl-mpv.rst b/DOCS/edl-mpv.rst index ec8dce01cc..c5771c2bca 100644 --- a/DOCS/edl-mpv.rst +++ b/DOCS/edl-mpv.rst @@ -216,6 +216,36 @@ Example:: The virtual timeline will have two chapters, one called "cap.ts" from 0-240s and a second one called "Show Opening" from 240-330s. +Entry which defines the track layout +==================================== + +Normally, you're supposed to put only files with compatible layouts into an EDL +file. However, at least the mpv implementation accepts entries that use +different codecs, or even have a different number of audio/video/subtitle +tracks. In this case, it's not obvious, which virtual tracks the EDL show should +expose when being played. + +Currently, mpv will apply an arbitrary heuristic which tracks the EDL file +should expose. (Before mpv 0.30.0, it always used the first source file in the +segment list.) + +You can set the ``layout`` option to ``this`` to make a specific entry define +the track layout. + +Example:: + + # mpv EDL v0 + file_with_2_streams.ts,5,240 + file_with_5_streams.mkv,0,90,layout=this + +The way the different virtual EDL tracks are associated with the per-segment +ones is highly implementation-defined, and uses a heuristic. If a segment is +missing a track, there will be a "hole", and bad behavior may result. Improving +this is subject to further development (due to being fringe cases, they don't +have a high priority). + +If future versions of mpv change this again, this option may be ignored. + Syntax of EDL URIs ================== |