[FFmpeg-user] Batch Join multimono to multichannel Auido (wav /

[Luigi Rensinghoff]

e it can be achieved more elegant - Suggestions ???
> 
> *sigh*
> This is somewhat off-topic, but anyway, here is how I would do it:


It's off-topic, but useful ;-)  

thank you very much ....


I dont understand the highlighted parts ....  will do some more reading

Thanks a lot

Luigi

> 
> 
> #!/bin/sh
> 
> channels="L R C LFE Ls Rs"
> filter="[0:a][1:a][2:a][3:a][4:a][5:a]amerge=inputs=6[aout]"
> 
> for f in *-C.aif; do
>       #echo "Processing $f"
> 
>       pre="${f%-C.aif}"
------------------    
  set --
^^^^^^^^^^^^

>       for c in $channels; do
>               

------------------   
set --
^^^^^^^^^^^^


> -i "$pre-$c.aif"


>       done
>       out="${pre}_6ch.wav"
> 
>       ffmpeg "$@" -filter_complex "$filter" -map "[aout]" "$out"

------------------   ------------------   ------------------   
      if [ $? -ne 0 ]; then
              echo "****  
------------------   ------------------   ------------------   

> ffmpeg failed!  Not removing input files!"
>               exit 1
>       fi
> 
>       for c in $channels; do
>               echo rm -- "$pre-$c.aif"
>       done
> done
> 
> 
> Note that it is written in a way that all variables are protected
> by quotes, so this works even if file names contain "unusual"
> characters like spaces, tabs or newlines.
> 
> Also note that the rm command has been disabled by an echo
> command.  I recommend you enable it only if you've tested the
> script and you are sure that it does the right thing.  Unless
> you have backup copies of the input files anyway, of course.
> 
> Best regards
>  Oliver
> 
> -- 
> ``We are all but compressed light'' (Albert Einstein)
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