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[Sebastian Ramacher <1033320@xxxxxxxxxxxxxxxxxx>]

Is this still an issue?

** Changed in: libav (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1033320

Title:
  avconv drawtext filter evaluates text_w as 0

Status in libav package in Ubuntu:
  Incomplete

Bug description:
  I'm attempting to draw text onto a video using either the avconv
  command. When specifying x= for where on the final video to place the
  text, the 'text_w' value is evaluating to 0, rather than the width of
  the rendered text as it should.

  I'm using Ubuntu 12.04
  I've got avconv version 0.8.3-4:0.8.3-0ubuntu0.12.04.1
  and ffmpeg version 0.8.3-4:0.8.3-0ubuntu0.12.04.1
  Example command:

  avconv -i test.mov -vf "drawtext=fontfile='/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf':text='test text':x=text_w:y=50:fontsize=24:fontcolor=black" texted.mov
  This command causes the text to be printed as if x were set to 0.

  What I'd really like to be able to do is center the text horizontally
  using something like this:

  avconv -i test.mov -vf "drawtext=fontfile='/usr/share/fonts/truetype
  /ttf-dejavu/DejaVuSans.ttf':text='test text':x=(main_w-
  text_w)/2:y=50:fontsize=24:fontcolor=black" texted.mov

  SuperUser conversation: http://superuser.com/questions/447645/avconv-
  and-ffmpeg-drawtext-filter-text-w-evaluates-as-0-in-ubuntu-precise

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