text The text string to be drawn. The text must be a sequence of UTF-8 encoded characters. This parameter is mandatory if no file is specified with the parametertextfile.
In the description of drawtext filtergraph, text must be of UTF-8 encoded characters. How to calculate the number of UTF-8 encoded characters? Does ffmpeg have some functions to support it? At 2016-04-26 19:56:51, "Nicolas George" <[email protected]> wrote: >L'octidi 8 floréal, an CCXXIV, qw a écrit : >> libfreetype is used to draw text on video stream. > >Yes, I know. > >> http://ffmpeg.org/ffmpeg-filters.html#drawtext-1 >> There are 3 important syntaxes in the filter of drawtext. > >"syntaxes"? These are variables that you can use to compute the coordinates of >the text. > >> However, text_h and text_w can only be used in filtergraph description. I >> want to know the height and width of the rendered text that corresponds to >> some fondsize, such as fondsize=20. It means, how to calculate the pixel >> number of rendered text in width and height? > >I have already answered that question. > >> At 2016-04-26 17:20:13, "Nicolas George" <[email protected]> wrote: > >Do not top-post on this list; if you do not know what it means, look it up. > >Regards, > >-- > Nicolas George
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