[FFmpeg-trac] #3699(avfilter:new): Ability to use expressions using Drawtext to offset frame number without returning double
FFmpeg
trac at avcodec.org
Fri Jun 6 22:44:12 CEST 2014
#3699: Ability to use expressions using Drawtext to offset frame number without
returning double
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Reporter: synth | Owner:
Type: enhancement | Status: new
Priority: wish | Component: avfilter
Version: git-master | Resolution:
Keywords: drawtext | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by synth):
Replying to [comment:1 cehoyos]:
> Replying to [ticket:3699 synth]:
> > Currently the only way I've seen for offsetting the drawtext is to do:
> >
> > text='%{expr\:n+OFFSET}'
> >
> > where OFFSET is the number used for -start_frame. Unfortunately this
won't work for us because the return value from expr is a double like
1001.000000 and it doesn't seem there's a way to convert that to int or
convert it to a value like %04d.
>
> Did you consider providing a command line (including complete, uncut
console output) that allows to reproduce this?
[[BR]]
You can find the full command and output at:
[http://mellow.me/ffmpeg_debug/output.txt]
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3699#comment:2>
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