[FFmpeg-user] 'image trails'

[Paul B Mahol]

On 4/8/20, Mark Filipak <markfilipak.windows+ffmpeg at gmail.com> 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

This is simple not true. Why are you insisting on spreading false information?
What is your agenda against FFmpeg?

> interleaving a 10-second video that ordinarily takes about 10 seconds to
> transcode. According to
> Windows' Sysinternals Process Explorer, the process *is* alive and
> executing.
>
> A better solution?
> Better would be a filter that accepts a template in lieu of time stamps. It
> would simply fetch and
> process the stream frames in the order they are presented to the inputs
> (fifo-style), and interleave
> the input streams according to the template.
>
> In my case, the filter would have 3 inputs and the template would be: 1 1 2
> 1 1 1 1 3 1 1.
>
> Do *you* know of such a filter? Or have a better idea?

Yes, I know that filter very well, just unsubscribe from this mailing-list.

>
> Thanks,
> Mark.
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