[vlc] Re: measuring encoding delay

[Simon Hailstone]

On 04/04/06, Marcelo Manzato <manzato81 at yahoo.com.br> wrote:
> Hi,
>
> does anybody have an idea on how to measure the
> encoding delay of vlc/ffmpeg using a webcam as input
> data?
>
> Any suggests will be welcome!
> Thanks
>

For a really simple experimental approach, and if millisecond accuracy
isn't a priority, how about pointing your webcam at a clock?  View the
resulting stream on another PC, and note the difference between
"wall-time" and the time displayed on the stream-receiving PC.

Alternatively, start up vlc, begin encoding/streaming, and use
Ethereal to observe the time that elapses between initialisation and
the generation of the first packet with video in it's payload...

Regards,

Simon Hailstone

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