Dear All
I have a many video files that I want to group and merge into a single videos according to what it is filmed. I know how to merge videos by cli using mkvmerge.
However I would also like to:
- add a fade transition between videos
- at the beginning of each video I would like to put some description on the center-bottom which has to stay on for some time (like 5seconds or so)
there is any CLI solution to do that?
Regards
Pierre
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Try ffmpeg. See for example http://superuser.com/questions/778762/crossfade-between-2-videos-using-ffmpeg
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Using the code you've linked above, that is
Code:ffmpeg -i 01.mkv -i 02.mkv -f lavfi -i color=black -filter_complex "[0:v]format=pix_fmts=yuva420p,fade=t=out:st=4:d=1:alpha=1,setpts=PTS-STARTPTS[va0];[1:v]format=pix_fmts=yuva420p,fade=t=in:st=0:d=1:alpha=1,setpts=PTS-STARTPTS+4/TB[va1]; [2:v]scale=960x720,trim=duration=9[over]; [over][va0]overlay[over1]; [over1][va1]overlay=format=yuv420[outv]" -vcodec libx264 -map [outv] out.mkv
I get this:
Code:Unrecognized option 'filter_complex' Failed to set value '[0:v]format=pix_fmts=yuva420p,fade=t=out:st=4:d=1:alpha=1,setpts=PTS-STARTPTS[va0];[1:v]format=pix_fmts=yuva420p,fade=t=in:st=0:d=1:alpha=1,setpts=PTS-STARTPTS+4/TB[va1];[2:v]scale=960x720,trim=duration=9[over];[over][va0]overlay[over1];[over1][va1]overlay=format=yuv420[outv]' for option 'filter_complex'
P
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