On date Wednesday 2015-03-11 10:55:07 +0530, Arwa Arif encoded: > On Tue, Mar 10, 2015 at 2:41 PM, Stefano Sabatini <stefa...@gmail.com> > wrote: [...] > > > There are no parameters accepted by the expressions. I will add some > > > examples in the doc. > > > > Look how it is done in hue. In general an expression is useful if you > > want to express something in function of the time or the number of > > frame or something else. > > [...] > So, I should add these options: > 1. frame count > 2. frame rate > 3. timestamp expressed in seconds > 4. timebase
Frame count and time in seconds are probably the most important. About timebase, that's only useful if you provide the timebase (you need timestamp and timebase to get a time). So I'd say that time (in seconds) and frame count are the most important parameters. -- FFmpeg = Fiendish Free Moronic Philosofic Educated God _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel