Hi,
I want to use drawtext filter to put some string on video stream. What is the
relationship between fontsize and image resolution in drawtext filter? If
fontsize is set to 20, what is the height and width of rendered text?
Thanks!
B.R.
Andrew
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L'octidi 8 floréal, an CCXXIV, qw a écrit :
> I want to use drawtext filter to put some string on video stream. What is
> the relationship between fontsize and image resolution in drawtext filter?
The size is the body height of the font in pixels, nothing fancy.
> If fontsize is set to 20, what i
Hi,
libfreetype is used to draw text on video stream.
http://ffmpeg.org/ffmpeg-filters.html#drawtext-1
There are 3 important syntaxes in the filter of drawtext.
fontsize
The font size to be used for drawing text. The default value of fontsize is 16.
text_h, th
the height of the rendered tex
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
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 U
