#9681: drawbox enhancement
-------------------------------------+-------------------------------------
Reporter: Jozef | Type:
Chutka | enhancement
Status: new | Priority: normal
Component: avfilter | Version:
| unspecified
Keywords: drawbox | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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I would like to propose the enhancement for drawbox:
- add time related constants `n` (frame) and `time` (btw `t` is reserved
for thickness)
- add `eval=frame` so drawbox is able to recalculate based on changed `n`,
`time` or dynamic input size `ih`, `iw`
- add `enable` option so there is a way to restrict its
availability/rendering
With these in place, one could draw in-video progress bars, but I believe
these extensions are generic enough for solid use in different cases as
well.
Currently there is an option to use
[color+overlay](https://stackoverflow.com/questions/62989964/showing-in-
video-visual-progress-bar-with-ffmpeg), however imagine drawing border
progress bar (see attachment) which is 4x2 filters already, and I can
imagine `drawbox` performs faster then either of `color` or `overlay`
alone.
Thanks for all the hard work.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/9681>
FFmpeg <https://ffmpeg.org>
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