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ffmpeg / libavfilter / vf_drawtext.c @ dc8e1b75

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# Date Author Comment
0fff764b 04/02/2011 09:48 AM Stefano Sabatini

drawtext: allow negative shadow offset values

efc8c709 03/27/2011 05:00 PM Stefano Sabatini

drawtext: draw glyphs for the strftime()-expanded text

In draw_glyphs(), draw glyphs in dtext->expanded_text rather than in
dtext->text. Fix crash if a strftime() sequence is used.

f9c61974 02/22/2011 12:49 AM Michael Niedermayer

Add shadow support to the drawtext filter

Signed-off-by: Michael Niedermayer <>

a64a2c5f 02/22/2011 12:49 AM Michael Niedermayer

factor draw_glyphs out of drawtext filter

Signed-off-by: Michael Niedermayer <>

bccea088 02/22/2011 12:49 AM Michael Niedermayer

Fix and optimize yuv blend in the drawtext filter

Signed-off-by: Michael Niedermayer <>

7d279022 02/22/2011 12:49 AM Michael Niedermayer

get rid of divisions in the inner loop of the drawtext filter

Signed-off-by: Michael Niedermayer <>

476aaec6 02/22/2011 12:49 AM Michael Niedermayer

fix chroma alpha in the drawtext filter

Signed-off-by: Michael Niedermayer <>

edbaedf7 02/22/2011 12:49 AM Michael Niedermayer

Simplify chroma blend in the drawtext filter

Signed-off-by: Michael Niedermayer <>

bd8e7503 02/22/2011 12:49 AM Stefano Sabatini Port drawtext filter by Hemanth from the libavfilter soc repo, with
the following additions:
  • support to anti-aliased glyph rendering
  • support to UTF-8 text and Unicode chars rendering
  • support for RGB packed formats

Signed-off-by: Michael Niedermayer <>