#11366: Regression when prepending/concatenating still image to video
-------------------------------------+-------------------------------------
             Reporter:  mahozad      |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avfilter
              Version:  7.1          |               Resolution:
             Keywords:  concat       |               Blocked By:
  concatenate filter_complex         |
             Blocking:               |  Reproduced by developer:  1
Analyzed by developer:  0            |
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Comment (by mahozad):

 OK. So simplifying the filter to the below still does **not** work:

 {{{
   -filter_complex
       [0] null [media];
       [1][media]
 
scale2ref='if(gt(main_a,a),min(main_w,iw),min(main_h,ih)*main_a)':'if(gt(main_a,a),min(main_w,iw)/main_a,min(main_h,ih))'
 [intro-image-max-size-coerced][media];
       [intro-image-max-size-coerced] null [intro];
       [intro][2][media] concat=n=2:v=1:a=1
 }}}

 But simplyfing it even more does work:

 {{{
   -filter_complex
       [0] null [media];
       [1] null [intro];
       [intro][2][media] concat=n=2:v=1:a=1
 }}}
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11366#comment:2>
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