[FFmpeg-user] Can ffmpeg overlay time indexed text?
george at nsup.org
Fri Apr 25 10:06:04 CEST 2014
Le quintidi 5 floréal, an CCXXII, Michael LeSauvage a écrit :
> I have a video and a file of related data that is time indexed relative to
> the video. It's Excel data now, but I can make it any arbitrary format -
> probably something like <vid time>, <data1>, <data2>
> The data is not linear and cannot be normalized. So there might be a data
> points at 20.210 | 20.215 | 20.230 | 22.205 for example.
> I would like the data for each data point overlaid on video, remaining on
> the screen until replaced by the next data point.
> Is this a capability I could find in ffmpeg?
Just think to your "time-indexed text" as subtitles, and you will find
plenty of solutions.
If you can process your input to compute the end time for each entry, then I
suggest to use the ASS format, that is the one used internally so you would
be avoiding conversions.
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