[FFmpeg-user] DAR/SAR

Ferdi Scholten ferdi at sttc-nlp.nl
Wed Mar 1 01:09:42 EET 2023


I've just finished a dialogue with MediaInfo and there seems to be a 
difference in the Linux and Windows versions. I also tried using WSL and 
bash without success. The DAR/SAR are still reported incorrectly.
>   680x1000 [SAR 1:1  DAR  17:25], where the movie is actually 640x480 and DAR=4:3.
>
> For anyone interested in examing the movie (636Mb) , here's a dropbox link to the movie:https://www.dropbox.com/s/d66qlltgnpnru0d/Hallelujah%20%281929%29._edit.mp4?dl=0
>
>
Checked out the movie with my version of ffprobe, build from git master 
on 20 feb 2023.

ffprobe Hallelujah_\(1929\)._edit.mp4.mp4
ffprobe version N-109890-g2aec86695a Copyright (c) 2007-2023 the FFmpeg 
developers
   built with gcc 12 (Ubuntu 12.2.0-3ubuntu1)
   configuration: --prefix=/home/ferdi/ffmpeg_build 
--pkg-config-flags=--static 
--extra-cflags=-I/home/ferdi/ffmpeg_build/include 
--extra-ldflags=-L/home/ferdi/ffmpeg_build/lib --extra-libs='-lpthread 
-lm' --ld=g++ --bindir=/home/ferdi/bin --enable-gpl --enable-gnutls 
--enable-libaom --enable-libass --enable-libfdk-aac --enable-libfreetype 
--enable-libmp3lame --enable-libopus --enable-libsvtav1 
--enable-libdav1d --enable-libvorbis --enable-libvpx --enable-libx264 
--enable-libx265 --enable-nonfree --enable-libvmaf --enable-lto
   libavutil      58.  3.100 / 58.  3.100
   libavcodec     60.  4.100 / 60.  4.100
   libavformat    60.  4.100 / 60.  4.100
   libavdevice    60.  2.100 / 60.  2.100
   libavfilter     9.  4.100 /  9.  4.100
   libswscale      7.  2.100 /  7.  2.100
   libswresample   4. 11.100 /  4. 11.100
   libpostproc    57.  2.100 / 57.  2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Hallelujah_(1929)._edit.mp4.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
   Duration: 00:30:01.76, start: 0.000000, bitrate: 668 kb/s
   Stream #0:0[0x1](und): Video: h264 (Main) (avc1 / 0x31637661), 
yuv420p(progressive), 640x480 [SAR 1:1 DAR 4:3], 667 kb/s, 23.98 fps, 
47.95 tbr, 90k tbn (default)
     Metadata:
       handler_name    : VideoHandler
       vendor_id       : [0][0][0][0]

Looks good to me, so as I asked before, what is the full output of your 
ffprobe?


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