[Libav-user] Very slow av_write_frame

[Yurii Monakov]

Hello,

100 Mbit/s is a measured speed or maximum link speed? If it is theoretical
maximum, than you can measure real UDP speed with iperf3.

Yurii

Ср, 19 апр. 2023 г. в 11:32, wolverin via Libav-user <libav-user at ffmpeg.org
>:

> Hello, All.
>
> I read data from the SD card on the SoC and send it over the network via
> libav, the dump on the transmitting side looks like this
>
> Output #0, mjpeg, to 'udp://192.168.1.1:5555':
>   Stream #0:0: Video: mjpeg (Baseline), yuvj422p(pc,
> bt470bg/unknown/unknown), 1920x1080, q=2-31, 10 fps, 90k tbn
>
> The average packet size is 200KB and it is sent via av_write_frame
> 300-350 ms!!! It turns out about 4.5Mbit/s, but the connection speed is 100
> Mbit/s
>
> What could be the reason???
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