[FFmpeg-user] ffmpeg v7.1 h264 (libx264) stretching video on X-axis (take2 w/ smaller pix)

[Dat Head]

it is def distorted in some way, but vlc player is what is making it
look that way i think now, i brought the orig mpeg2 and h264 up in
avidemux and don't see the issue.
can anybody explain the Aspect Ratio numbers in the square brackets of
the original? (that is only diff i see and indeed it's an aspect
issue)

Input #0, matroska,webm, from 'all.mkv':
Duration: 01:24:44.31, start: 0.033000, bitrate: 5684 kb/s
Stream #0:0: Video: mpeg2video (Main), yuv420p(tv,
fcc/bt470bg/bt470bg, bottom first), 720x480 [SAR 8:9 DAR 4:3], SAR 1:1
DAR 3:2, 29.97 fps, 29.97 tbr, 1k tbn (default)
Stream #0:1: Audio: ac3, 48000 Hz, stereo, fltp, 224 kb/s (default)
Size: 3.4G
==================================================================================
Input #0, matroska,webm, from 'h264-all.mkv':
Duration: 01:24:44.28, start: 0.000000, bitrate: 2433 kb/s
Stream #0:0: Video: h264 (High), yuv420p(tv, fcc/bt470bg/bt470bg,
bottom coded first (swapped)), 720x480 [SAR 1:1 DAR 3:2], 29.97 fps,
29.97 tbr, 1k tbn (default)
Stream #0:1: Audio: ac3, 48000 Hz, stereo, fltp, 224 kb/s (default)
Size: 1.5G

On Fri, Jan 3, 2025 at 11:47 AM Vincent Deconinck <vdeconinck at gmail.com> wrote:
>
> On Fri, Jan 3, 2025 at 4:26 PM Ferdi Scholten <ferdi at sttc-nlp.nl> wrote:
>
> > Well overlaying both images on top of each other clearly shows the face
> > did not get wider, however because the transcoded image lacks some fine
> > details it appears to look wider.
> >
>
> Well, I think the OP meant that the aspect ratio changed.
> Indeed the width is the same but the height changed from 540px to 480px, so
> that makes it look "wider".
> Now I admit I have no idea why...
>
> Vincent
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