[FFmpeg-user] Conflicts with yuv420 && yuvj444p on Ubuntu 20.ls

[Micael Silva]

On Wed, Nov 25, 2020 at 10:58 PM Victor Cardeal <victorcardeal at gmail.com>
wrote:

> Hello, hope all fine there.
>
> I'm facing some problem trying to convert a process video with CV2 to post
> on instagram. This mediaSocial seems doesn't accept yuvj444p format pixels.
> I realize this because when I up from webWhatsapp (same owner of Insta)
> return me error like :
>       erro: Error Code: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) Details:
> auto mozilla::SupportChecker::AddMediaFormatChecker(const
> mozilla::TrackInfo &)::(anonymous class)::operator()() const: Decoder may
> not have the capability to handle the requested video format with YUV444
> chroma subsampling.
>
> So I run command above:
>    ffmpeg -i outputvideoFri\ Nov\ \ 6\ 13\:48\:42\ 2020.mp4 -vf
> scale=600x600 -format yuv420p -c:v libx264  output.mp4
>
> But extrange behaviour occur. Again when I try to upload same error back.
> when i run command:
>    ffmpeg -i output.mp4
> to check metadata values resulted print was:
>         Duration: 00:00:11.36, start: 0.000000, bitrate: 3543 kb/s
>     Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) (avc1 /
> 0x31637661), yuvj444p(pc), 600x600, 3540 kb/s, 25 fps, 25 tbr, 12800 tbn,
> 50 tbc (default)
>     Metadata:
>       handler_name    : VideoHandler
>
> therefore any way to solve this questions?
> --
> Atenciosamente, Victor Cardeal.
>
>
Try using -pix_fmt yuv420p insted of -format yuv420p, works for me.