Re: [Freerdp-devel] some questions about Multimedia Rdeirection of FreeRDP

[Shailesh K. <tsa...@gm...>]

Hi

usually when a movie file is streamed on WMP ( freerdp only support) the
server side extracts the content and demuxes it. After demuxing it sends
the GUID to the client so that the client should be able to understand and
get synchronized with the server. After which the redirection happens. if
client is not able to understand the GUID then no redirection and only
remote desktop being displayed. In your case may be the container is same
(rather the file format) but there is difference in the content. If I have
to debug this I will enable the DEBUG_DVC and capture all the debug prints
which includes GUIDS and try to find the difference between the 2 files. I
will also use some free video analyzer to understand about the content.

Thanks
Sailesh.

On Fri, Nov 9, 2012 at 1:37 PM, Gotsi Boon <got...@gm...> wrote:

> Hi idealhang,
>
> I'm no dev, but here are some notes on your question.
>
> Win 7 is capable of using Multimedia Redirect without K-Lite.
> You cannot rely on the extension of a movie. For instance two .avi-files
> can have different codecs. Therefore, the file-format is no criterion for
> successful MMR. There're a lot of tools to check codec into detail for a
> video (simplest might be cmdline version of vlc or mplayer). Just compare
> your files and you will see the difference between a movie which is
> redirected and another one that is not.
> There's no player on the client involved, but the client-GPU does the work.
> MMR works with Windows Media Player only (from the host). VLC, WMP Classic,
> etc don't grant MMR.
>
> Best regards
> gotsiboon.
>
>
>
> On Fri, Nov 9, 2012 at 8:12 AM, 杭友春 <ide...@16...> wrote:
>
> > Dear all:
> >
> >             Thanks for your work on FreeRDP, it does be a great software.
> >
> >             I get some questions about Multimedia Redirection,I wish
> > somebody could help me.
> >
> >             My serverOS is win7_ult with klite and clientOS is
> > ubuntu_12.04_64bit with FreeRDP1.0.1.
> >
> >             Before the test,I can play all the test videos on both server
> > and client.
> >
> > 1.Two same-fomat video with same codec avc,one can be MMRed,the other
> > can’t,how does this happen.
> >
> > 2.The web https://github.com/FreeRDP/FreeRDP/wiki/Multimedia-Redirectionsays the wvc1/wmv3/h264/avc1 are supported by the MMR,but I found some
> > video with these codec could not be supported.
> >
> > 3.Sometimes,if the video does not be supported,the player show black
> > screen,in this case,I would rather play the video without MMR.
> >
> > 4.When I play a video,which player does the work on client.
> >
> > 5.Is it possible to make the FreeRDP support all video formats now.If
> does
> > be, it must a major step of thin client,how?
> >
> >
> >
> > Waiting for your reply.
> >
> > Thank you.
> >
> >
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