screen-sharing does not work with audio. It basically captures the screen,
encode it and send to server
Can you check with smaller area? is it work better?

On Sat, Jul 29, 2017 at 2:41 AM, john felipe urrego mejia <
[email protected]> wrote:

> Nothing about this?
> Because i have 4 sec of lag in voice when screen sharing
> Stay alert
>
> 2015-03-31 0:57 GMT-05:00 Maxim Solodovnik <[email protected]>:
>
>> Unfortunately bandwidth is not a bottleneck currently :( the main issue
>> is the performance of client machine right now :(
>>
>> We already have a task to enhance screen sharing protocol
>> https://issues.apache.org/jira/browse/OPENMEETINGS-112 unfortunately it
>> is still not implemented
>>
>> TightVNC protocol more like can not be used due to it is most probably
>> will not be playable by flash :(
>>
>> Additionally any protocol implementation we will use must be Apache
>> License compatible (this is why we unable to grab-and-use anything from the
>> internet, but need to check licenses)
>>
>> On Tue, Mar 31, 2015 at 9:54 AM, OpenAr-IT Soluciones <[email protected]
>> > wrote:
>>
>>> Hi Maxim, is there a possibility that screen share function can use the
>>> same codec that VNC or TightVNC uses?. In that case the that function could
>>> need less bandwidth.
>>>
>>>
>>> TightVNC decoder:
>>> What is Tight Decoder?
>>>
>>> The RFB protocol as used in VNC and TightVNC defines "encodings" as
>>> algorithms/formats used to encode graphics (pixel data). TightVNC uses its
>>> own highly-efficient method of compressing graphics optimized for low
>>> bandwidth. It's called "*Tight encoding*". Tight encoding includes both
>>> efficient "lossless" compression and optional "lossy" JPEG compression.
>>>
>>>
>>> Reference link:
>>>
>>> http://www.tightvnc.com/decoder.php
>>>
>>>
>>> Thanks in advance.
>>>
>>>
>>>
>>>
>>> On Wed, Mar 25, 2015 at 6:27 AM, Maxim Solodovnik <[email protected]>
>>> wrote:
>>>
>>>> Actually there is GSOC project, but there are no students willing to
>>>> participate :(
>>>>
>>>> On Wed, Mar 25, 2015 at 2:31 PM, BBS Technik <[email protected]> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> will we see a GSoC project to enhance the sreensharing performance?
>>>>>
>>>>> Best regards
>>>>>
>>>>> Ed
>>>>>
>>>>>
>>>>>
>>>>> Gesendet: Mittwoch, 25. März 2015 um 05:23 Uhr
>>>>> Von: "Maxim Solodovnik" <[email protected]>
>>>>> An: "Openmeetings user-list" <[email protected]>
>>>>> Betreff: Re: Screen Sharing too slow
>>>>>
>>>>> screen video is encoded using screenv1 codec
>>>>> h264 is more CPU consuming, h263 is currently used by default for video
>>>>>
>>>>> medium quality do reduces video picture size, you can zoom it back
>>>>> while viewing
>>>>>
>>>>> On Wed, Mar 25, 2015 at 10:11 AM, OpenAr-IT Soluciones <
>>>>> [email protected]> wrote:
>>>>>
>>>>> Thanks FJ,
>>>>>  That means that it is a bandwidth issue?. The problem with Medium
>>>>> quality is that the screen is smaller. Is it possible to reduce the screen
>>>>> quality without reduce the screen size?, like reducing the definition.
>>>>>
>>>>>  Thanks.
>>>>>
>>>>>
>>>>> On Wed, Mar 25, 2015 at 1:05 AM, FJ <[email protected][finding
>>>>> [email protected]]> wrote:
>>>>>
>>>>> I experienced this too on HI at 10FPS.  When I change it to Medium at
>>>>> 10FPS, it seems to be acceptable.
>>>>>  I have my OM3.0.4 at a CoLo with a 100Mb connection and two client at
>>>>> a remote location.
>>>>>
>>>>>
>>>>> On Tue, Mar 24, 2015 at 8:53 PM, OpenAr-IT Soluciones <
>>>>> [email protected][[email protected]]> wrote:
>>>>>
>>>>> Hi Maxim/all,
>>>>>
>>>>> I have OM 3.0.4 (stable) installed in a VM with Debian 7 with 2.5 GB
>>>>> Ram, 2 CPUs. I have tested the Screen Share function with 2 users conected
>>>>> to OM, both are conected via Wi-Fi (band N). The problem is that with the
>>>>> configuration of High Resolution and 10 FPS the screen share is very slow,
>>>>> it has a lot of delay. Sometimes the screen freezes and then continue. The
>>>>> video (small size) of the person that is sharing the screen, gets very 
>>>>> slow
>>>>> too. I did the same test with your Demo server and I had the same problem,
>>>>> less slow but slow too. What do you think the problem is?When I shared the
>>>>> screen using my VM as OM server, CPU was at 30% and Ram at 20 %.
>>>>>
>>>>>  Thanks in advance.
>>>>>
>>>>>  --
>>>>> WBR
>>>>> Maxim aka solomax
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> WBR
>>>> Maxim aka solomax
>>>>
>>>
>>>
>>
>>
>> --
>> WBR
>> Maxim aka solomax
>>
>
>


-- 
WBR
Maxim aka solomax

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