improve(subs): set outline and drop shadow according to SSA specs - Githubissues

adamajammary / libvoyaplayer

libvoyaplayer is a free cross-platform media player library that easily plays your music and video files.

GNU General Public License v3.0

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improve(subs): set outline and drop shadow according to SSA specs #39

Closed adamajammary closed 4 months ago

adamajammary commented 4 months ago

BorderStyle

1=Outline + drop shadow
3=Opaque box

Outline

If BorderStyle is 1, then this specifies the width of the outline around the text, in pixels.
Values may be 0, 1, 2, 3 or 4.

Shadow

If BorderStyle is 1, then this specifies the depth of the drop shadow behind the text, in pixels.
Values may be 0, 1, 2, 3 or 4.
Drop shadow is always used in addition to an outline - SSA will force an outline of 1 pixel if no outline width is given.