[FFmpeg-user] lbavfilter. watermark. time interval.
mark at mdsh.com
Mon Dec 12 16:55:40 CET 2011
On 12/12/11 14:15, demimurych wrote:
> > Generically (assuming your logo has an alpha):
> > ffmpeg -i background.movie -vf "movie=watermark.movie,fade=in:25:25:alpha=1,fade=out:300:25:alpha=1[logo];
> > [in][logo] overlay=0:0 [out]"<encoding options> output.movie
> Hello again,thank you for the example and explanation, it's really
> working if i put another video fragment over my clip and fade it as
> you meant. The problem is, when I try to place a watermark in the
> same way, the displayed result is a black rectangle instead of the
> watermark.I tried it several times using a direct copy-paste of your
> code with fade:0:0 and fade:0:1 etc, unfortunately still without
> success. Maybe this behavior is already known and you could tell me
> what I'm doing wrong
The quote "Command line and complete, uncut console output missing" is
running through my head.
I expect it's an incorrect conversion between yuva and bgra somewhere.
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