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| author | Stefano Sabatini <stefasab@gmail.com> | 2012-05-01 11:37:15 +0200 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2012-05-03 10:17:57 +0200 |
| commit | 65d2b2fbe43c253d05fd279015020dcee9134300 (patch) | |
| tree | cb85b8d7f10832807953842035988818f1e34d8d /doc/filters.texi | |
| parent | 2330eb147412b96bef148b120e5a3897c9c87858 (diff) | |
| download | ffmpeg-65d2b2fbe43c253d05fd279015020dcee9134300.tar.gz | |
lavfi/drawtext: alphabetically sort the expression parameters
Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 799740bf6f..83cc0d478f 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1363,21 +1363,6 @@ The parameters for @var{x} and @var{y} are expressions containing the following constants: @table @option -@item W, H -the input width and height - -@item tw, text_w -the width of the rendered text - -@item th, text_h -the height of the rendered text - -@item lh, line_h -the height of each text line - -@item sar -input sample aspect ratio - @item dar input display aspect ratio, it is the same as (@var{w} / @var{h}) * @var{sar} @@ -1385,17 +1370,16 @@ input display aspect ratio, it is the same as (@var{w} / @var{h}) * @var{sar} horizontal and vertical chroma subsample values. For example for the pixel format "yuv422p" @var{hsub} is 2 and @var{vsub} is 1. -@item max_glyph_w -maximum glyph width, that is the maximum width for all the glyphs -contained in the rendered text +@item line_h, lh +the height of each text line -@item max_glyph_h -maximum glyph height, that is the maximum height for all the glyphs -contained in the rendered text, it is equivalent to @var{ascent} - -@var{descent}. +@item main_h, h, H +the input height -@item max_glyph_a, ascent +@item main_w, w, W +the input width +@item max_glyph_a, ascent the maximum distance from the baseline to the highest/upper grid coordinate used to place a glyph outline point, for all the rendered glyphs. @@ -1408,12 +1392,30 @@ used to place a glyph outline point, for all the rendered glyphs. This is a negative value, due to the grid's orientation, with the Y axis upwards. +@item max_glyph_h +maximum glyph height, that is the maximum height for all the glyphs +contained in the rendered text, it is equivalent to @var{ascent} - +@var{descent}. + +@item max_glyph_w +maximum glyph width, that is the maximum width for all the glyphs +contained in the rendered text + @item n the number of input frame, starting from 0 +@item sar +input sample aspect ratio + @item t timestamp expressed in seconds, NAN if the input timestamp is unknown +@item text_h, th +the height of the rendered text + +@item text_w, tw +the width of the rendered text + @item timecode initial timecode representation in "hh:mm:ss[:;.]ff" format. It can be used with or without text parameter. @var{rate} option must be specified. |