[vlc-devel] RTSP client 'trick play' support. When will it ever work??

Ross Finlayson finlayson at live555.com
Thu Jul 9 17:40:48 CEST 2009


>Le Thursday 09 July 2009 08:14:33 Ross Finlayson, vous avez écrit :
>>  So, the real problem is that VLC - in step 2 - is sending a "PLAY"
>>  command without an end time, despite the fact that the SDP
>>  description (returned in response to "DESCRIBE") had a range end
>>  time.  "ms->playEndTime()" *should* be non-zero (because "*ms" was
>>  created using the SDP description).  Could you please check this??
>
>If you want to play from beginning to the end, you should send 0-, not 0-end.

Ah, OK - I think I see what you're saying now. 
You're saying that you think that the client 
(VLC) is *correct* in sending "0-" in its "PLAY" 
request, even though the SDP in the "DESCRIBE" 
response specified a range??

Mumble...  I'm not sure about this.  But, in the 
spirit of "be conservative in what you send", 
I'll go ahead and try changing our RTSP server 
implementation to send back "0-<range-end-time>" 
in its RTSP "PLAY" response, even in this case. 
I'll see if this then makes VLC happy.  Stay 
tuned...
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/



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