On Thu, Aug 28, 2014, at 08:17 PM, Ehren Addis wrote: > I'm trying to put a png sequence with an embeded alpha over a still > image with burned in timecode. The following has been had from > everything I see on the web (with the exception of using -shortest that > never worked). This renders, but the alpha channel renders in a strange > banded sort of way. A smooth gradation comes out like lots of > transparent stripes that move around. I'm starting to suspect this > isn't the way the current ffmpeg would do it. Can anyone point me in > the right direction for the proper syntax? > > ffmpeg -loop 1 -r 29.97 -i background.jpg -r 29.97 -i > foregroundsequence%05d.png -filter_complex "overlay, > drawtext=fontfile=ARIAL.ttf: timecode='00\:00\:00\:00': r=29.97: > x=(w-tw)/2: y=h-(1*1h): fontsize=32: fontcolor=white: box=1: > boxcolor=0x00000099" -r 29.97 -t %dur% -vcodec prores -profile:v 2 -y > output.mov > > I had to use -t instead of -shortest to get this to not encode > indefinitely, contrary to examples floating on the web. > > Thanks!
Please include the complete ffmpeg console output. Providing one of the foregroundsequence*.png images could be helpful too. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user