[FFmpeg-user] Amerge trouble

[Gyan Doshi]

On 11/18/2017 7:42 PM, Bouke / VideoToolShed wrote:

> Stream mapping:
>    Stream #0:2 (pcm_s24le) -> amerge:in3
>    Stream #0:3 (pcm_s24le) -> amerge:in1
>    Stream #0:4 (pcm_s24le) -> amerge:in4
>    Stream #1:0 (pcm_s24le) -> amerge:in0
>    Stream #1:0 (pcm_s24le) -> amerge:in2
> 
> but, the result has channels mapped as
> sndTrack 0 = snd.wav 1
> sndTrack 1 = snd.wav 2
> sndTrack 2 = test.mxf 3
> sndTrack 3 = snd.wav 1
> sndTrack 4 = snd.wav 3

It's as expected. amerge output channel order, in this case, will be the 
channels laid out in input order ( [1:a][0:a:2][1:a][0:a:1][0:a:3] ) 
i.e. all channels of [1:a], followed by [0:a:2], followed by a repeat of 
[1:a] and so on.

Regards,
Gyan