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List: gstreamer-devel
Subject: Re: [gst-devel] How to create a video recording buffer from a live
From: Zelalem Sintayehu <zelalems () hotmail ! com>
Date: 2010-11-25 13:33:18
Message-ID: BLU157-w19D4CB05DACFDAA854E161CA200 () phx ! gbl
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Hi Dear Marco Ballesio thank you for your prompt response. I'm a student and want to \
do this as a project. Basically I want to have a kind of network based recorder which \
is controlled by either SIP or RTSP from an application server. Those are the two \
protocols that I was thinking about to use. Currently I have an RTSP proxy that I \
developed which is controlled by a SIP Application Server (AS) and delivers the media \
to a client. So I want to extend it a little further so that when it is told to \
pause, it will pause the stream it gets from the server (which basically means \
recording it for later use) and again when told to resume starts the delivery from \
the place where it was paused. The client (a SIP) is just a passive media reciever. \
the media control comes from the application server. I also want to use a client with \
basic RTSP capability but still the media control comes from the AS or media \
controller. With regard to bandwith limitation I don't have badndwidth costraints, \
but I'm thinking that the recorder should have a limited (specified) buffer size. It \
can't go on recording forever. I also only want this to work for one client. Hope I \
have attended your queries.
Once again thank you for your support.
Best regards,
- Zelalem S.
> Date: Thu, 25 Nov 2010 13:39:37 +0200
> From: gibrovacco@gmail.com
> To: gstreamer-devel@lists.sourceforge.net
> Subject: Re: [gst-devel] How to create a video recording buffer from a live \
> broadcast and read from it at the same time
> Hi,
>
> On Wed, Nov 24, 2010 at 12:13 PM, Zelalem Sintayehu
> <zelalems@hotmail.com> wrote:
> > Hi I want to create a program using gstreamer that when activated starts to
> > record a live broadcast and when requested starts to deliver what is being
> > recorded from the beginning of the record while keeping on recording on the
> > other end (the live broadcast). At some point I want to ignore recording and
> > go live. I hope gstreamer could be used to do this. Basically my problem is
> > to create a buffer of a file that I can read and write into it at the same
> > time. Please advice me how I can do this.
>
> Imo there are many ways for achieving this, some of which being easy,
> other more difficult. The freedom you'll have in your design depends
> on some variables:
>
> - You'll anyway have to use a signalling protocol (e.g. RTSP, SIP,
> XMPP, etc..) to make it working, so you'll have to carefully pick the
> one which better suits your requirements (e.g. RTSP is pretty well
> supported from GStreamer from both sides, for SIP or XMPP I suggest
> you to give a look to the telepathy framework).
>
> - Are you planning to make it compatible with standard clients? If
> yes, which protocols do they use? If not, are you planning to write
> the client application as well?
>
> - Do you have resource constraints (network bandwidth, CPU, disk, memory)?
>
> - Is it possible that multiple clients will connect to the same server?
>
> If you can clarify the points of above it would be possible to give
> you, in turn, an appropriate answer.
>
> Regards
>
> >
> > Thank you.
> >
> > Best regards,
> >
> > - Zelalem S.
> >
> >
> >
> > ------------------------------------------------------------------------------
> > Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!
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> > http://p.sf.net/sfu/intelisp-dev2dev
> > _______________________________________________
> > gstreamer-devel mailing list
> > gstreamer-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
> >
> >
>
> ------------------------------------------------------------------------------
> Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!
> Tap into the largest installed PC base & get more eyes on your game by
> optimizing for Intel(R) Graphics Technology. Get started today with the
> Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs.
> http://p.sf.net/sfu/intelisp-dev2dev
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
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Hi Dear <span id="rmic1" class="c_ic_i"><span class="link c_icinmenu2"><span \
dir="ltr" id="InlineMenuTemplateicTmInlineMenuTemplate0_name" target="_top" \
href="http://bl157w.blu157.mail.live.com/mail/InboxLight.aspx?n=1420904971#" \
title="gibrovacco@gmail.com" onclick="i = new Image(); i.src = \
'http://g.live.com/_9uxp9en-us/ic_dn??su=http://shared.live.com/Live.Mail';return \
false;"><span dir="ltr">Marco Ballesio thank you for your prompt response. I'm a \
student and want to do this as a project. Basically I want to have a kind of network \
based recorder</span></span></span></span> which is controlled by either SIP or RTSP \
from an application server. Those are the two protocols that I was thinking about to \
use. Currently I have an RTSP proxy that I developed which is controlled by a SIP \
Application Server (AS) and delivers the media to a client. So I want to extend it a \
little further so that when it is told to pause, it will pause the stream it gets \
from the server (which basically means recording it for later use) and again when \
told to resume starts the delivery from the place where it was paused. The client (a \
SIP) is just a passive media reciever. the media control comes from the application \
server. I also want to use a client with basic RTSP capability but still the media \
control comes from the AS or media controller. With regard to bandwith limitation I \
don't have badndwidth costraints, but I'm thinking that the recorder should have a \
limited (specified) buffer size. It can't go on recording forever. I also only want \
this to work for one client. Hope I have attended your queries. <br><br>Once again \
thank you for your support.<br><br>Best regards,<br><br>- Zelalem S. \
<br><br><br><br><br>> Date: Thu, 25 Nov 2010 13:39:37 +0200<br>> From: \
gibrovacco@gmail.com<br>> To: gstreamer-devel@lists.sourceforge.net<br>> \
Subject: Re: [gst-devel] How to create a video recording buffer from a live broadcast \
and read from it at the same time<br>> <br>> Hi,<br>> <br>> On Wed, Nov \
24, 2010 at 12:13 PM, Zelalem Sintayehu<br>> <zelalems@hotmail.com> \
wrote:<br>> > Hi I want to create a program using gstreamer that when activated \
starts to<br>> > record a live broadcast and when requested starts to deliver \
what is being<br>> > recorded from the beginning of the record while keeping on \
recording on the<br>> > other end (the live broadcast). At some point I want to \
ignore recording and<br>> > go live. I hope gstreamer could be used to do this. \
Basically my problem is<br>> > to create a buffer of a file that I can read and \
write into it at the same<br>> > time. Please advice me how I can do \
this.<br>> <br>> Imo there are many ways for achieving this, some of which \
being easy,<br>> other more difficult. The freedom you'll have in your design \
depends<br>> on some variables:<br>> <br>> - You'll anyway have to use a \
signalling protocol (e.g. RTSP, SIP,<br>> XMPP, etc..) to make it working, so \
you'll have to carefully pick the<br>> one which better suits your requirements \
(e.g. RTSP is pretty well<br>> supported from GStreamer from both sides, for SIP \
or XMPP I suggest<br>> you to give a look to the telepathy framework).<br>> \
<br>> - Are you planning to make it compatible with standard clients? If<br>> \
yes, which protocols do they use? If not, are you planning to write<br>> the \
client application as well?<br>> <br>> - Do you have resource constraints \
(network bandwidth, CPU, disk, memory)?<br>> <br>> - Is it possible that \
multiple clients will connect to the same server?<br>> <br>> If you can clarify \
the points of above it would be possible to give<br>> you, in turn, an appropriate \
answer.<br>> <br>> Regards<br>> <br>> ><br>> > Thank \
you.<br>> ><br>> > Best regards,<br>> ><br>> > - Zelalem \
S.<br>> ><br>> ><br>> ><br>> > \
------------------------------------------------------------------------------<br>> \
> Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!<br>> \
> Tap into the largest installed PC base & get more eyes on your game \
by<br>> > optimizing for Intel(R) Graphics Technology. Get started today with \
the<br>> > Intel(R) Software Partner Program. Five $500 cash prizes are up for \
grabs.<br>> > http://p.sf.net/sfu/intelisp-dev2dev<br>> > \
_______________________________________________<br>> > gstreamer-devel mailing \
list<br>> > gstreamer-devel@lists.sourceforge.net<br>> > \
https://lists.sourceforge.net/lists/listinfo/gstreamer-devel<br>> ><br>> \
><br>> <br>> \
------------------------------------------------------------------------------<br>> \
Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!<br>> Tap \
into the largest installed PC base & get more eyes on your game by<br>> \
optimizing for Intel(R) Graphics Technology. Get started today with the<br>> \
Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs.<br>> \
http://p.sf.net/sfu/intelisp-dev2dev<br>> \
_______________________________________________<br>> gstreamer-devel mailing \
list<br>> gstreamer-devel@lists.sourceforge.net<br>> \
https://lists.sourceforge.net/lists/listinfo/gstreamer-devel<br> </body> \
</html>
------------------------------------------------------------------------------
Increase Visibility of Your 3D Game App & Earn a Chance To Win $500!
Tap into the largest installed PC base & get more eyes on your game by
optimizing for Intel(R) Graphics Technology. Get started today with the
Intel(R) Software Partner Program. Five $500 cash prizes are up for grabs.
http://p.sf.net/sfu/intelisp-dev2dev
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