[Live-devel] WM RTSP support for live streams

[Derk-Jan Hartman]

/me bounces head to wall

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On 25 aug 2005, at 15:21, Derk-Jan Hartman wrote:

> On 24 aug 2005, at 03:22, Ross Finlayson wrote:
>
>>> Anyways. like i said in the other mail. If we keep it in RTSPClient,
>>> then it has to be corrected on the first SETUP call, but by that  
>>> time
>>> it is quite possible the endtime as already been retrieved by the
>>> application from the mediasession.
>>>
>>>
>>
>> Conceivably, yes, but for the two clients that I looked at just  
>> now - "openRTSP" and "VLC" - "session->playEndTime()" is not  
>> called until after the RTSP "PLAY" (and "MPlayer" doesn't check  
>> "playEndTime()" at all).  So I don't think that this is worth  
>> worrying about.
>>
>
>
> OK, I have made a patch to support live MS RTSP broadcasts. Some  
> information about MS RTSP
>
> 1: When using VLC, make sure your international settings are set to  
> a country that uses . as the float separator. (This is the range/ 
> radix bug discussed on the list before)
> 2: Set vlc rtsp and mms buffer to 5000
> 3: Set vlc rtsp to TCP, seems to work much better
>
> Test URLs
> On Demand: rtsp://media2.hosting.nob.nl/nob/test.wmv
> Live: rtsp://streams01.hosting.nob.nl/test
>
> The on demand stream should already work in 0.8.2 if you use the  
> instructions mentioned above.
> Patch for live streams attached. It's not really nice, but it works.
>
> Besides this i have found that RTSP streams stop after about 2:20  
> or so, when using VLC.
> I have made ethereal captures from both VLC and WMP10. Both with  
> the On Demand sample.
>
> WMP10: http://sidekick.student.utwente.nl/videolan/wm10.eth
> VLC: http://sidekick.student.utwente.nl/videolan/ 
> vlctimeoutfiltered.eth
>
> It seems that WMServer doesn't understand RTCP (like VLC server  
> basically). I think the WMP10 is sending an empty GET_PARAMETER at  
> 120 or so secs into the capture (i believe this corresponds with  
> about the 60s point of the stream) to indicate liveliness to the  
> server.
>
> DJ
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