[FFmpeg-user] yuv420p vs yuv420p(tv)

[Paul B Mahol]

On 9/9/19, George R. Welch <george at grwelch.com> wrote:
> Hi folks,
>
> I have two versions of the same video and I would like to only keep
> one.  If one is higher quality, I'd obviously want to keep that one.  I
> can't tell tell any difference through casual watching with VLC, so
> perhaps it does not matter.
>
> But anyway, when I run ffmpeg -i on the two, the difference is:
>
> <     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
> 1920x1080, 4011 kb/s, 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc (default)
> ---
>  >     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661),
> yuv420p(tv), 1920x1080 [SAR 1:1 DAR 16:9], 4173 kb/s, 29.97 fps, 29.97
> tbr, 90k tbn, 59.94 tbc (default)
>
> I think I understand the difference between yuv420p(pc) and yuv420p(tv),
> but here I have yuv420p vs yuv420p(tv).
>
> Can someone offer suggestions as to which of these two videos might be
> the better encoding?

You should not trust anyone giving you such answer by comparing only
metadata and not actual data.

>
> Thanks,
>
> --George
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