Sending UDP stream from RPi 4 to PC (over ethernet)

[Peter Maersk-Moller]

A video codec usually encoded using a YUV format as input. I'm guessing
from your results that your pipeline when no video format has been been set
for input to x264enc and no video profile has been set for x264enc output
and original raw video is BGR/RGB, the pipeline selects baseline as H.264
profile and Y444 as video format. These two are not combinable in the H.264
world

Try the following

    videoconvert ! video/x-raw,format=I420 ! x264enc ...

Alternatively

    x264enc tune=zerolatency speed-preset=ultrafast !
video/h-264,profile=high-4:4:4 ! h264parse ...

Note that the above can have a large impact on CPU-load, bandwidth and
quality

Best regards
Peter Maersk-Moller



On Sat, Dec 19, 2020 at 10:09 AM etne <louis.etienne82 at orange.fr> wrote:

> Thanks for your answer.
>
> Using this pipeline:
>
> appsrc format=(string)\"BGR\" ! videoconvert ! x264enc tune=zerolatency
> speed-preset=ultrafast !  h264parse ! rtph264pay config-interval=1 !
> rtpsink uri=rtp://239.1.2.3:1234
>
> I get the following error on the RPi:
> x264 [error]: baseline profile doesn't support 4:4:4
> Is it a format image error?
>
>
>
>
>
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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