On Mon, Jul 4, 2022 at 6:15 PM Cecil Westerhof via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote:
> Some time ago I was experimenting with xfade. I wanted to know how to > use several in one run. Now I really needed it, so I did some digging > and found this: > ffmpeg -y \ > -i input0.mkv \ > -i input1.mkv \ > -i input2.mkv \ > -i input3.mkv \ > -i input4.mkv \ > -i input5.mkv \ > -i input6.mkv \ > -i input7.mkv \ > -i input8.mkv \ > -i input9.mkv \ > -vcodec libx264 \ > -crf 26 \ > -preset veryfast \ > -filter_complex " > [0:a][1:a] acrossfade=d=4[a1]; > [0:v][1:v] xfade=transition=hlslice: > duration=4: > offset=308[v1]; > > [a1][2:a] acrossfade=d=4[a2]; > [v1][2:v] xfade=transition=vertopen: > duration=4: > offset=357[v2]; > > [a2][3:a] acrossfade=d=4[a3]; > [v2][3:v] xfade=transition=circlecrop: > duration=4: > offset=533[v3]; > > [a3][4:a] acrossfade=d=4[a4]; > [v3][4:v] xfade=transition=rectcrop: > duration=4: > offset=1016[v4]; > > [a4][5:a] acrossfade=d=4[a5]; > [v4][5:v] xfade=transition=slideup: > duration=4: > offset=1158[v5]; > > [a5][6:a] acrossfade=d=4[a6]; > [v5][6:v] xfade=transition=wiperight: > duration=4: > offset=1473[v6]; > > [a6][7:a] acrossfade=d=4[a7]; > [v6][7:v] xfade=transition=horzclose: > duration=4: > offset=1661[v7]; > > [a7][8:a] acrossfade=d=4[a8]; > [v7][8:v] xfade=transition=diagbl: > duration=4: > offset=2082[v8]; > > [a8][9:a] acrossfade=d=4[a9]; > [v8][9:v] xfade=transition=slideright: > duration=4: > offset=2211[v9] > " \ > -map '[v9]' -map '[a9]' \ > output.mkv > > I hope there are better ways, because there are some problems with it. > For example it needs a lot of memory. (24 GB) > Could use (a)movie filters and only use such filter when actually needed in graph. > > -- > Cecil Westerhof > Senior Software Engineer > LinkedIn: http://www.linkedin.com/in/cecilwesterhof > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".