[Cin] DAR, PAR and SAR, again

Andrea paz gamberucci.andrea at gmail.com
Wed Jan 24 09:35:27 CET 2024

> I meant the 1440x1080 hdv file which (the first) bd.m2ts was originated
> from.
Ah, sorry.
The 3 videos I had started from to make the BD Render were not
1440x1080, this size was just set in the BD Render window. The three
project's files were:

sad_woman.mxf (a DNxHR render of mine from a h264/mp4):
$ ffprobe -hide_banner sad_woman.mxf
[dnxhd @ 0x60dc04c06140] frame size changed: 1920x1088 -> 1920x1080
Input #0, mxf, from 'sad_woman.mxf':
    operational_pattern_ul: 060e2b34.04010101.0d010201.01010900
    uid             : adab4424-2f25-4dc7-92ff-000c00000000
    generation_uid  : adab4424-2f25-4dc7-92ff-000c00000001
    company_name    : FFmpeg
    product_name    : OP1a Muxer
    product_version : 60.3.100
    application_platform: Lavf (linux)
    product_uid     : adab4424-2f25-4dc7-92ff-29bd000c0002
    timecode        : 00:00:00:00
  Duration: 00:00:15.00, start: 0.000000, bitrate: 176360 kb/s
  Stream #0:0: Video: dnxhd (DNXHR HQ), yuv422p(tv, bt709,
progressive), 1920x1080, SAR 1:1 DAR 16:9, 24 fps, 24 tbr, 24 tbn

I can no longer find the original file, however it was a 4k; hevc; SAR
1:1; DAR 16:9

vp.webm (a VP9 render of mine from VP8 and VP9 webm original files):
$ ffprobe -hide_banner vp.webm
Input #0, matroska,webm, from 'vp.webm':
    ENCODER         : Lavf59.27.100
  Duration: 00:00:19.80, start: 0.000000, bitrate: 479 kb/s
  Stream #0:0: Video: vp9 (Profile 0), yuv420p(pc,
bt2020nc/unknown/unknown, progressive), 512x288, SAR 1:1 DAR 16:9, 25
fps, 25 tbr, 1k tbn
      DURATION        : 00:00:19.800000000

PS: I am also curious where the ".m2t.ts" came from, but I just don't
remember the time when it appeared.

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