[FFmpeg-user] FFmpeg default processing(invisible processing)

大石脩斗 s-oishi at knb.ne.jp
Wed Dec 20 07:57:07 EET 2023


@ Bouke
 Thank you for answering.
It didn't work.
I tried referring to your command, but the situation did not change.
Please let me know if there are any other improvements.
Also, it seems that the -map_channel option will be removed.
If you know an alternative pan filter command, please let me know.

command executed
%~dp0ffmpeg\ffmpeg.exe -hide_banner -threads 0 -i input/base.MXF -f lavfi
-i anullsrc=channel_layout=mono:sample_rate=48000 -map 0:0 -map 0:1 -map
0:1 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -c:a pcm_s24le
-ar 48000 -map_channel 0.1.0:0.0 -c:a pcm_s24le -ar 48000 -map_channel
0.1.0:0.1 -c:a pcm_s24le -map_channel 1.0.0:0.2 -c:a pcm_s24le -map_channel
1.0.0:0.3 -c:a pcm_s24le -map_channel 1.0.0:0.4 -c:a pcm_s24le -map_channel
1.0.0:0.5 -c:a pcm_s24le -map_channel 1.0.0:0.6 -c:a pcm_s24le -map_channel
1.0.0:0.7 -af volume=-11.4dB -video_format component -vf
setfield=tff,scale=1920x1080:flags=lanczos -r 29.97 -flags +ilme+ildct -top
1 -c:v mpeg2video -b:v 50000k -maxrate 50000k -minrate 50000k -pix_fmt
yuv422p -profile:v 0 -level:v 2 -t 33 -g 15 -timecode 00:59:45:00 -metadata
creation_time=now -y output/output_test20.MXF


2023年12月20日(水) 0:33 Bouke / edit 'B <bouke at editb.nl>:

> Top posting, as my mail client does now allow for decent parsing, and I’m
> fed up with that.
>
> My command to create ‘’proper” XDcam HD 50Mb, as required by the
> broadcasters here.
> Read between the filenames, it does work.
>
> /Applications/ffmpeg -hide_banner -threads 0 -i /Users/bouke/yadda.mov -f
> lavfi -i anullsrc=channel_layout=mono:sample_rate=48000 -map 0:0 -map 0:1
> -map 0:1 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -map 1:0 -c:a
> pcm_s24le -ar 48000 -map_channel 0.1.0:0.1 -c:a pcm_s24le -ar 48000
> -map_channel 0.1.1:0.2 -c:a pcm_s24le -map_channel 1.0.0:0.3 -c:a pcm_s24le
> -map_channel 1.0.0:0.4 -c:a pcm_s24le -map_channel 1.0.0:0.5 -c:a pcm_s24le
> -map_channel 1.0.0:0.6 -c:a pcm_s24le -map_channel 1.0.0:0.7 -c:a pcm_s24le
> -map_channel 1.0.0:0.8 -af volume=-11.4dB -vf
> setfield=tff,scale=1920x1080:flags=lanczos -r 25 -flags +ilme+ildct -top 1
> -c:v mpeg2video -b:v 50000k -maxrate 50000k -bufsize 3835k -minrate 50000k
> -pix_fmt yuv422p -profile:v 0 -level:v 2 -t 26 -timecode 00:00:00:00
> /Volumes/Data/magweg/Mars_Mars-Delight_26_1_19-12-2023_HD.mxf -y
>
>  Trust me, this command (besides audio parsing, depending on sources) has
> made thousands of broadcast compliant files over here, where XDCAM is also
> mandatory.
>
> Bouke
>
> > On 19 Dec 2023, at 06:56, 大石脩斗 <s-oishi at knb.ne.jp> wrote:
> >
> > I'm trying to use ffmpeg to generate an MXF file that can be played on an
> > XDCAM XDS-PD2000.
> > Please tell me what default processing is performed in ffmpeg when no
> > options are entered.
> >
> > [background]
> > Sony's check tool outputs an error saying "MXF metadata contains
> > non-standard values".
> > The data output by the editing machine is OK with the check tool,
> > The data generated with ffmpeg will be rejected by the check tool.
> > The metadata looks the same for both.
> > Please let me know if you are processing anything other than the meta
> > information that is being output
> >
> > 【Data output by editing machine」
> > aftertext.txt
> >
> > 【Data output by ffmpeg】
> > testffmpeg.txt
> > commondlie
> > ffmpeg.exe -i input\base.MXF -c:v mpeg2video -r 29.97 -pix_fmt yuv422p
> > -aspect 16:9 -flags +ildct+ilme -b:v 50000000 -minrate 50000000 -maxrate
> > 50000000 -bufsize 17825792 -bf 2 -metadata creation_time=now
> -video_format
> > component -g 15 -timecode 00:59:45:00 -ac 1 -map 0:0 -map 0:1 -map 0:1
> -map
> > 0:1 -map 0:1 -map 0:1 -map 0:1 -map 0:1 -map 0:1 -c:a pcm_s24le -ar 48000
> > -f mxf -y output/output_test.mxf
> >
> > Shuto
> >
> <testffmpeg.txt><aftertext.txt>_______________________________________________
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