title: ass
media types:
Video
description: Render ASS subtitles onto input video using the libass library.
version: Lavfi8.39.100
creator: libavfilter maintainers
Many parameters support animated values (keyframes) but only the numeric ones. Many numeric properties have type string because they accept an expression (see FFmpeg documentation) even though they evaluate to a numeric value.
description:
set the filename of file to read
type: string
readonly: no
required: no
description:
set the filename of file to read
type: string
readonly: no
required: no
description:
set the size of the original video (used to scale fonts)
type: string
readonly: no
required: no
description:
set the directory containing the fonts to read
type: string
readonly: no
required: no
description:
enable processing of alpha channel
type: string
readonly: no
required: no
description:
set shaping engine
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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