[FFmpeg-trac] #10039(avfilter:new): drawtext over multiple lines

[FFmpeg]

#10039: drawtext over multiple lines
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             Reporter:  ccpaging  |                     Type:  defect
               Status:  new       |                 Priority:  important
            Component:  avfilter  |                  Version:  5.1.2
             Keywords:  drawtext  |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
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 Summary of the bug:
 I try to drawtext over multiple lines in windows command by using \v and
 \f. There is two lines text displayed. But some broken glyphs is displayed
 also. It seems \v and \f is not filtered out when draw.

 If multiple line text stored in textfile, everything is ok.

 How to reproduce:
 {{{
 % ffplay -f lavfi "color, drawtext=text=TEST^LSecond:
 fontfile=C\\:/Windows/fonts/tahomabd.ttf: fontcolor=white: fontsize=h/10:
 x=(w-text_w)/2: y=(h-text_h)/2"
 }}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/10039>
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