[Live-devel] Has anybody has implemented IP telephony using LIVE555 libraries........
manas lenka
manas_ec007in at yahoo.co.in
Mon May 26 03:55:24 PDT 2008
hi,
HAs anybody implemented IP telephony using LIVE555 libraries ?
MANAS
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Today's Topics:
1. Can any body tell what DarwinInjector() does ?? (manas lenka)
2. openRTSP shutdown ( ti?ry ti?ry )
3. Re: (no subject) (bakul.patel at einfochips.com)
4. Re: openRTSP shutdown (Ross Finlayson)
5. DeviceSource question (Ishwar.Jasuja at jci.com)
6. Re: (no subject) (Ross Finlayson)
7. Re: DeviceSource question (Ross Finlayson)
8. RTCP messages treatment ( Javier G?lvez Guerrero )
9. I want to know where OpenRSTP.cpp writes into the file....
(manas lenka)
10. Re: I want to know where OpenRSTP.cpp writes into the
file.... (Ross Finlayson)
----------------------------------------------------------------------
Message: 1
Date: Fri, 23 May 2008 13:52:30 +0100 (BST)
From: manas lenka
Subject: [Live-devel] Can any body tell what DarwinInjector() does ??
To: live-devel at ns.live555.com
Message-ID: <149210.72039.qm at web8908.mail.in.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi,
Can anybody tell me or point to some documents so that i can know what "DarwinInjector()" does.
THANKS
MANAS
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Message: 2
Date: Fri, 23 May 2008 16:10:26 +0200
From: " ti?ry ti?ry "
Subject: [Live-devel] openRTSP shutdown
To: live-devel at ns.live555.com
Message-ID:
<2036e3f30805230710o7b42198flc824e185e861c6c3 at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hello
I'm using openRTSP to stream RTP/RTCP over TCP a video from a IP camera
(Axis 207) and after a while the openRTSP stop
The openRTSP send TEARDOWN rtsp://axis:554/mpeg4/media.amp/ RTSP/1.0
And I don't understand why I
Is there a BUG ???
Thx
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Message: 3
Date: Fri, 23 May 2008 21:38:30 +0530 (IST)
From: bakul.patel at einfochips.com
Subject: Re: [Live-devel] (no subject)
To: "LIVE555 Streaming Media - development & use"
Message-ID:
<3858.220.225.147.210.1211558910.squirrel at india.einfochips.com>
Content-Type: text/plain;charset=iso-8859-1
I tried by increasing buffer memory to 2M using increaseReceiveBufferTo()
function.but it did not made any diffrence. Then i compiled code for x86 and i
ran receiver application on PC, it works fine on PC. Any idea why it is not
giving bandwidht more than 10 Mbps on Da vinci (DM6446)?
Thanks,
Bakul
>>
>>I have made MPEG2Transport receiver by modifying MPEG2TransportStreamer.cpp
>>file. Receiver works fine but when streaming speed is more than 10
>>Mbps then it
>>starts dropping packets. Can anybody tell me that How i can increase this
>>bandwidth
>
> Because this has become a frequently asked question, I have added it
> to the FAQ. See
> http://www.live555.com/liveMedia/faq.html#packet-loss
> --
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
> _______________________________________________
> live-devel mailing list
> live-devel at lists.live555.com
> http://lists.live555.com/mailman/listinfo/live-devel
>
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Message: 4
Date: Fri, 23 May 2008 12:24:08 -0700
From: Ross Finlayson
Subject: Re: [Live-devel] openRTSP shutdown
To: LIVE555 Streaming Media - development & use
Message-ID:
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
>Hello
>
>I'm using openRTSP to stream RTP/RTCP over TCP a video from a IP
>camera (Axis 207) and after a while the openRTSP stop
>
>The openRTSP send TEARDOWN rtsp://axis:554/mpeg4/media.amp/ RTSP/1.0
>And I don't understand why I
>
>Is there a BUG ???
Unlikely. "openRTSP" is sending a RTSP "TEARDOWN" request because it
thinks that the stream has ended. It probably thinks that the stream
has ended because either (1) the server sent a RTCP "BYE" packet
(telling it that the stream ended), or (2) the elapsed time exceeded
the stream duration specified in the SDP description (that was sent
by the server in response to the RTSP "DESCRIBE" command).
If you send us the full RTSP protocol exchange (printed by
"openRTSP"), we will be able to tell you exactly what happened.
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
------------------------------
Message: 5
Date: Fri, 23 May 2008 14:42:49 -0500
From: Ishwar.Jasuja at jci.com
Subject: [Live-devel] DeviceSource question
To: LIVE555 Streaming Media - development & use
Message-ID:
Content-Type: text/plain; charset="us-ascii"
Hi,
I am trying to use DeviceSource Model (as recommended by Ross )to stream
the live video out.
Unfortunately, the video encoder can not be treated as a socket in the
system that I have. I HAVE to run encoder as
a separate thread. So only option that I have, is to register a callback
function from doGetNextFrame() in DeviceSource.cpp.
At least, this is what I concluded after going thru the archive on this
mailing list.
registerCallback((TaskFuncOur *)DeviceSource::deliverFrame, (void *)this)
;
Video encoder thread invokes this function when the encoded data is
available. Now per recommended method, this should copy the
data received from encoder device into fTo aread and then start a timer to
invoke FramedSource::afterGetting by doing
nextTask() = envir().taskScheduler().scheduleDelayedTask(0,
(TaskFunc*)FramedSource::afterGetting, this);
Here is the problem that I think I have,
I cant call schedueDelayedTask function/method from a different thread. I
can run into concurrancy issues as DelayQueue::addEntry(),
& DelayQueue::handleAlarm() methods can step onto eachother as they can
now be invoked from different threads.
Can anyone help me out here?
or Am I totally missing something here?
Thanks
Ishwar Jasuja
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Message: 6
Date: Fri, 23 May 2008 12:49:50 -0700
From: Ross Finlayson
Subject: Re: [Live-devel] (no subject)
To: LIVE555 Streaming Media - development & use
Message-ID:
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
>I tried by increasing buffer memory to 2M using increaseReceiveBufferTo()
>function.but it did not made any diffrence. Then i compiled code for x86 and i
>ran receiver application on PC, it works fine on PC. Any idea why it is not
>giving bandwidht more than 10 Mbps on Da vinci (DM6446)?
No, but you have shown that the problem is with your system - not
with our code.
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
------------------------------
Message: 7
Date: Fri, 23 May 2008 14:04:00 -0700
From: Ross Finlayson
Subject: Re: [Live-devel] DeviceSource question
To: LIVE555 Streaming Media - development & use
Message-ID:
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
You can't call "LIVE555 Streaming Media" library code from within
your separate encoder thread. However, what you can do is have your
encoder thread use a global variable to signal an event that gets
handled by the LIVE555 code's event loop (running in its own thread).
One easy way to do this is to use "doEventLoop()"s 'watchVariable'
feature; see
.
(Note, however, that if you use the 'watchVariable' feature, you
should also note this point:
)
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
------------------------------
Message: 8
Date: Sat, 24 May 2008 12:21:00 +0200
From: " Javier G?lvez Guerrero "
Subject: [Live-devel] RTCP messages treatment
To: "LIVE555 Streaming Media - development & use"
Message-ID:
<145d4e1a0805240321g36658860j414fd5d92169a26a at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi all,
I would like to know, in case it is implemented, how live555 analyzes and
behaves regarding the RTCP information sent through this messages. That is,
if it is implemented any change in the streaming session conditions that
allows to improve the transmission quality when lost packets or high jitter
are reported from the RTP clients.
Thank you,
Javi
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Message: 9
Date: Sat, 24 May 2008 19:37:17 +0100 (BST)
From: manas lenka
Subject: [Live-devel] I want to know where OpenRSTP.cpp writes into
the file....
To: live-devel at ns.live555.com
Message-ID: <87097.46638.qm at web8901.mail.in.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi,
Can anybody tell me , in OpenRSTP.cpp programme, at what point the audio and video packets are written into the file..
Thanks
MANAS
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Message: 10
Date: Sat, 24 May 2008 15:08:22 -0700
From: Ross Finlayson
Subject: Re: [Live-devel] I want to know where OpenRSTP.cpp writes
into the file....
To: LIVE555 Streaming Media - development & use
Message-ID:
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
>Hi,
>Can anybody tell me , in OpenRSTP.cpp programme, at what point the
>audio and video packets are written into the file..
Most of the logic for the "openRTSP" program is implemented in the
"playCommon.cpp" file. ("FileSink" objects are used to write
incoming data into files.)
--
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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