Hi, I know the docs is similar to colorkey, but I have a few short suggestions.
On Fri, 18 Sep 2015 16:27:54 +0200, Timo Rothenpieler wrote: [...] > diff --git a/doc/filters.texi b/doc/filters.texi > index 4a55e59..0446204 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -3556,6 +3556,51 @@ > boxblur=luma_radius=min(h\,w)/10:luma_power=1:chroma_radius=min(cw\,ch)/10:chrom > @end example > @end itemize > > +@section chromakey > +YUV colorspace color/chroma keying. > + > +The filter accepts the following options: > + > +@table @option > +@item color > +The color which will be replaced with transparency. For the general syntax of this option, check the "Color" section in the ffmpeg-utils manual. Default is @code{black}. > +@item similarity > +Similarity percentage with the key color. > + > +0.01 matches only the exact key color, while 1.0 matches everything. Default is 0.01. > +@item blend > +Blend percentage. > + > +0.0 makes pixels either fully transparent, or not transparent at all. Range is 0.0 to 1.0. Default is 0.0. > +Higher values result in semi-transparent pixels, with a higher transparency > +the more similar the pixels color is to the key color. > + > +@item yuv > +Signals that the color passed is already in YUV instead of RGB. Default is disabled. > + > +Litteral colors like "green" or "red" don't make sense with this enabled > anymore. s/Litteral/Literal The "anymore" can be removed. What happens if a literal color is used when the yuv option is enabled? [...] > +static const AVOption chromakey_options[] = { > + { "color", "set the chromakey key color", OFFSET(chromakey_rgba), > AV_OPT_TYPE_COLOR, { .str = "black" }, CHAR_MIN, CHAR_MAX, FLAGS }, > + { "similarity", "set the chromakey similarity value", > OFFSET(similarity), AV_OPT_TYPE_FLOAT, { .dbl = 0.01 }, 0.01, 1.0, FLAGS }, > + { "blend", "set the chromakey key blend value", OFFSET(blend), > AV_OPT_TYPE_FLOAT, { .dbl = 0.0 }, 0.0, 1.0, FLAGS }, > + { "yuv", "color parameter is in yuv instead of rgb", OFFSET(is_yuv), > AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS }, "indicate that the color parameter is in yuv instead of rgb" _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel