[FFmpeg-user] split 1 stereo channel to 8 mono channels

[Bouke (VideoToolShed)]

---- Original Message ----- 
From: "Tseveendorj O." <tseveendorj at on-air.mn>
To: "FFmpeg user questions" <ffmpeg-user at ffmpeg.org>
Sent: Thursday, March 05, 2015 12:59 PM
Subject: Re: [FFmpeg-user] split 1 stereo channel to 8 mono channels


> Hi Moritz,
>
> Thank you very much. Good product. Keep going
>
>
> I have question.
> Converted audio channel #1 is always showed PCM 16bit and bitrate 768 
> Kbps.
> but I defined 24 bit and 1152 Kbps. Why is it ? What I did wrong ?
>
> Command
>
> ffmpeg -i Untitled.avi -vcodec mpeg2video -filter_complex
> "[0:1:a]channelsplit[left][right];[left]asplit=4[a1][a2][a5][a6];[right]asplit=4[a3][a4][a7][a8]"
> -map 0:v:0 -map "[a1]" -map "[a2]" -map "[a3]" -map "[a4]" -map 
> "[a5]" -map
> "[a6]" -map "[a7]" -map "[a8]" -c:v mpeg2video -c:a:1 pcm_s24le -b:a:1
> 1152k -ar:1 48000 -c:a:2 pcm_s24le -b:a:2 1152k -ar:2 48000  -c:a:3
> pcm_s24le -b:a:3 1152k -ar:3 48000  -c:a:4 pcm_s24le -b:a:4 1152k -ar:4
> 48000 -c:a:5 pcm_s24le -b:a:5 1152k -ar:5 48000 -c:a:6 pcm_s24le -b:a:6
> 1152k -ar:6 48000 -c:a:7 pcm_s24le -b:a:7 1152k -ar:7 48000 -c:a:8
> pcm_s24le -b:a:8 1152k -ar:8 48000 -flags +ildct+ilme -vf
> colormatrix=bt601:bt709 -top 1 -r 25 -g 12 -bf 2 -pix_fmt yuv422p -minrate
> 50000k -maxrate 50000k -b:v 50000k -vtag xd5e -f mxf output.mxf

Unrelated, but vtag does not do anything, that's for Quicktime output, not 
MXF

Out of interest, is this mxf indeed XDcam compliant, like FFmbc makes with 
it's target xdcamHD422 ?

Bouke 


---
This email has been checked for viruses by Avast antivirus software.
http://www.avast.com