On Tue, 18 May 2021, Bouke wrote:
Trying to make broadcast compliant (XDcam style) MXF files, but those fail on
wrong field order, if the source is progressive.
This used to work fine. (ffmpeg version 3.2.2 has no issues with this, and has
done literally thousands of good / compliant files)
FFmpeg always reports "top coded first (swapped))", and MediaInfo says:
Scan order : Bottom Field First
If I swap out -top 1 for -field_order tt it does not help at all.
Now, it ’should’ not be an issue, except that Baton / pre baton scripts bitch
about it, and the files get rejected.
Well, you should try to bisect when it went wrong. Also have you tried the
-vf setfield filter to force a field order? Maybe that helps?
Regards,
Marton
Bouke
Stripped down line: (To indicate the problem, this will not make a compliant
file, I know.)
/Applications/ffmpeg -i /Volumes/Data/17-05-2021_14-34-56_1.mov -c:v mpeg2video -b:v 5k -maxrate 5k -bufsize 3835k -minrate 5k -r 25 -flags +ilme+ildct -top 1 -pix_fmt yuv422p -profile:v 0 -level:v 2 -t 1 /Volumes/Data/interlacetest.mxf -y
ffmpeg version 4.4-tessus https://evermeet.cx/ffmpeg/ Copyright (c) 2000-2021
the FFmpeg developers
built with Apple clang version 11.0.0 (clang-1100.0.33.17)
configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --extra-version=tessus
--enable-avisynth --enable-fontconfig --enable-gpl --enable-libaom
--enable-libass --enable-libbluray --enable-libdav1d --enable-libfreetype
--enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libmysofa
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
--enable-libopenjpeg --enable-libopus --enable-librubberband --enable-libshine
--enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora
--enable-libtwolame --enable-libvidstab --enable-libvmaf
--enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
--enable-libzimg --enable-libzmq --enable-libzvbi --enable-version3
--pkg-config-flags=--static --disable-ffplay
libavutil 56. 70.100 / 56. 70.100
libavcodec 58.134.100 / 58.134.100
libavformat58. 76.100 / 58. 76.100
libavdevice58. 13.100 / 58. 13.100
libavfilter 7.110.100 / 7.110.100
libswscale 5. 9.100 / 5. 9.100
libswresample 3. 9.100 / 3. 9.100
libpostproc55. 9.100 / 55. 9.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Volumes/Data/17-05-2021_14-34-56_1.mov':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf58.65.101
Duration: 00:00:15.20, start: 0.00, bitrate: 276385 kb/s
Stream #0:0: Video: prores (HQ) (apch / 0x68637061), yuv422p10le(tv, top coded
first (swapped)), 1920x1080, 274850 kb/s, 25 fps, 25 tbr, 12800 tbn, 12800 tbc
(default)
Metadata:
handler_name: VideoHandler
vendor_id : FFMP
encoder : Lavc58.117.101 prores
timecode: 12:34:59:00
Stream #0:1: Audio: pcm_s16le (sowt / 0x74776F73), 48000 Hz, stereo, s16, 1536
kb/s (default)
Metadata:
handler_name: SoundHandler
vendor_id : [0][0][0][0]
Stream #0:2(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
Metadata:
handler_name: TimeCodeHandler
timecode: 12:34:59:00
Stream mapping:
Stream #0:0 -> #0:0 (prores (native) -> mpeg2video (native))
Stream #0:1 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
Output #0, mxf, to '/Volumes/Data/interlacetest.mxf':
Metadata:
major_brand : qt
minor_version : 512
compatible_brands: qt
encoder : Lavf58.76.100
Stream #0:0: Video: mpeg2video (4:2:2), yuv422p(tv, progressive), 1920x1080,
q=2-31, 5 kb/s, 25 fps, 25 tbn (default)
Metadata:
handler_name: VideoHandler
vendor_id : FFMP
timecode: 12:34:59:00
encoder : Lavc58.134.100 mpeg2video
Side data:
cpb: bitrate max/min/avg: 5000/5000/5000 buffer size: 3835000
vbv_delay: N/A
Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s (default)
Metadata:
handler_name: SoundHandler
vendor_id : [0][0][0][0]
encoder : Lavc58.134.100 pcm_s16le
frame=1 fps=0.0 q=0.0 size= 0kB time=00:00:00.16 bitrate= 0.0kbits/sframe= 24 fps=0.0 q=2.0 size=5632kB time=00:00:00.96 bitrate=48059.7kbits/frame= 25 fps=0.0 q=1.6 Lsize=6216kB time=00:00:00.96 bitrate=53043.7kbits/s speed=1.79x
video:5986kB audio:188kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.681476%
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