Stefano Sabatini
0fff764bdb
drawtext: allow negative shadow offset values
14 years ago
Stefano Sabatini
efc8c709c9
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.
14 years ago
Michael Niedermayer
f9c61974ae
Add shadow support to the drawtext filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Michael Niedermayer
a64a2c5f98
factor draw_glyphs out of drawtext filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Michael Niedermayer
bccea08836
Fix and optimize yuv blend in the drawtext filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Michael Niedermayer
7d27902263
get rid of divisions in the inner loop of the drawtext filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Michael Niedermayer
476aaec637
fix chroma alpha in the drawtext filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Michael Niedermayer
edbaedf7a0
Simplify chroma blend in the drawtext filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Stefano Sabatini
bd8e750300
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 <michaelni@gmx.at>
14 years ago