On Mon, Jul 4, 2022 at 6:46 PM Cecil Westerhof via ffmpeg-user < [email protected]> wrote:
> Paul B Mahol <[email protected]> writes: > > > On Mon, Jul 4, 2022 at 6:15 PM Cecil Westerhof via ffmpeg-user < > > [email protected]> 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. > > I am concerning ffmpeg still a newbie. What do you mean by this? > Read documentation few times. > > -- > Cecil Westerhof > Senior Software Engineer > LinkedIn: http://www.linkedin.com/in/cecilwesterhof > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
