[FFmpeg-user] 'image trails'

[Mark Filipak]

On 04/08/2020 07:19 AM, Mark Filipak wrote:
> Command employing 'interleave' filter in lieu of 'mix' filter:
> 
> fmpeg -i "M:\Test Videos\23.976p.mkv" -filter_complex 
> "split=3[B][C][D],[B]select='bitand(not(eq(mod(n+1\,10)\,3))\,not(eq(mod(n+1\,10)\,8)))'[E],[C]select='eq(mod(n+1\,10)\,3)'[G],[D]select='eq(mod(n+1\,10)\,8)'[H],[E][G][H]interleave=3" 
> -map 0 -c:v libx264 -crf 28 -c:a copy -c:s copy "C:\AVOut\23.976p.MKV"
> 
> The 'interleave' filter temporally muxes 2 (or more) streams. It orders the stream frames based on 
> their time stamps (with extensive buffering).
> 
> This is discouraging.
> The 'mix' filter is no good. It's single-threaded. I've been waiting over 2-1/2 hours to finish 
> interleaving a 10-second video...
Oh, wow. The command had completed and was waiting for something.

I aborted out of the command run and the target was complete and plays fine. 'interleave' works but 
doesn't close on completion.

Now I can try a run with filters to smooth the combed frames (which are 2, 7, 12, 17, etc.). Stay 
tuned to this channel...