How im supposed to use Raw Streaming ?

victor_diago · Post by **victor_diago** » Fri Jan 20, 2006 10:02 am

Hi all and Phil,

Im starting to test 1.22 right today, and i would like to understand how can i use the raw streaming format.

i mena, mplayer can read it ? what is the command line arguments for zms ?

Thanks for now

Victor Diago

Post by **zoneminder** » Fri Jan 20, 2006 10:12 am

The raw streaming mode is not really meant for streaming to players like WMP. It was put in to reduce the overhead of streaming to James' gui viewers. That's not to say that it wouldn't work with any viewer that could handle the format but it's not a standard format supported by anything else as far as I'm aware.

victor_diago · Post by **victor_diago** » Fri Jan 20, 2006 11:48 am

Hmm ive got it.

But what is the format ? RGB ?

Thanks

Victor Diago

Post by **zoneminder** » Fri Jan 20, 2006 12:42 pm

Yes, straight out of shared memory WxHxD bytes in RGB format identified by image/x-rgb mime type.

jameswilson · Post by **jameswilson** » Fri Jan 20, 2006 6:12 pm

I will start work on this when i get round to upgrading my 'office' zm box to 1.22.x

victor_diago · Post by **victor_diago** » Fri Jan 20, 2006 9:52 pm

Wooow.

I can read two things :

1 - Cpu less intensive

2 - No more Delay problems.

am i right ?

i see that mplayer deals with raw rgb data, will try it.

Thanks for now.

Victor Diago

jameswilson · Post by **jameswilson** » Fri Jan 20, 2006 10:20 pm

Yes it will be less cpu intensive but i doubt it will help the delay issues of mplayer as the delay is not due to zm, but the chosen media player. I plan to use it on zm4ms and the linux version.

victor_diago · Post by **victor_diago** » Fri Jan 20, 2006 11:27 pm

i hope it will make any difference.

ive tested mplayer, vlc, WindowsMediaPlayer, flash player plugin and a lot of others, local and remote.

All them did just the SAME way.

So, im anxious to try it.

Thanks For now

Victor Diago

Post by **zoneminder** » Sat Jan 21, 2006 12:10 pm

Raw streaming uses a lot more network bandwidth than other streams so if the lag was related to networking then it's only going to make it worse! However as jpeg streaming doesn't lag I think networking issues are not why plugins etc all lag.

The only real solution to the lagging is to get video streaming to use rtp and multicasting I think. Once I've done a bit more research into this I will try and add it.