[FFmpeg-user] ffserver with libvpx-vp9 problem

[mystream adventure]

Hi Moritz,

Thank you for your answer, i am really new with ffmpeg actually ffserver,
so i just try setup what recommenced by ffmpeg website... i will learn more
about libvpx-vp9

Mybe you have sample howto use ffmpeg with RTP as transport, also setting
for ffserver,

TIA

On Thu, Mar 31, 2016 at 4:24 PM, Moritz Barsnick <barsnick at gmx.net> wrote:

> Hi Azzahrah,
>
> On Thu, Mar 31, 2016 at 07:23:23 +0700, mystream adventure wrote:
>
> > I have problem using ffserver and libvpx-vp9, below is my ffserver.conf
>
> I know very little about ffserver, and not much about libvpx-vp9, but:
>
> > //for VP9
> > ffmpeg -f dshow -i video="A4TECH USB2.0 PC Camera" -c:v libvpx-vp9 -pass
> 1
> > -b:v 0 -crf 33 -threads 8 -speed 4 -tile-columns 6 -frame-parallel 1
> > http://IP_SERVER:8090/feed2.ffm
>
> a) Why are you using "-pass 1"? AFAIU it will still create an encoded
> video, but it is really meant for multi-pass encoding.
>
> b) What do you intend to achieve with "-b:v 0"? No video in the world
>    can compress that well. ;-) (I'm not aware of any special semantics
>    of the value '0' either.)
>
> > 2. What the best transport method? protocol to reduce delay from 5
> > second to be 1 second?
>
> There are a lot of articles and other stuff regarding latency on the
> net. I have also read that RTP is recommended as transport. (But I have
> no idea, really.)
>
> Moritz
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