[vlc-devel] Re: New Patch for RTSP offset feature.

Ross Finlayson finlayson at live555.com
Sat Oct 7 20:10:20 CEST 2006

>On 5-okt-2006, at 20:30, Ross Finlayson wrote:
>>I *do not* favor including the part of this patch - in 
>>"live555.cpp" - that looks for the string ";offset=" in the 
>>"rtsp://" URL, and then uses this to determine the starting point 
>>for the RTSP "PLAY" command.
>>This ";offset=" hack is totally non-standard, and in general it's a 
>>bad idea for clients - like VLC - to be modifying or interpreting 
>>the contents of URLs (beyond the initial 
>>protocol,hostname,portnumber part of the URL).  (I realize that the 
>>Amino set-top box (RTSP client) implements the same ";offset=" 
>>hack, but that's no excuse for us to break standards also.)
>I'm in favor of the patch if it is behind a "--rtsp-ncube" setting 
>(i believe this is nCube RTSP dialect).
>And I agree with Ross partly on this YES it is retarded. But if 
>people wanna use it, they should be able to in VLC.

In general I disagree with the "throw in everything but the kitchen 
sink" approach that the VLC designers have taken, but as they say in 
their language, "chacon a son gout" :-)

>The amino boxes constitute a large part of our users.

I don't see how that's relevant, because the Amino set-top boxes are 
clients, not servers.

>>If we want to be able to pass a 'starting point' parameter to VLC, 
>>then this should be done as a separate command-line argument (or 
>>something set in the GUI), *not* as a hack inside the "rtsp://" URL.
>I have to say though that i'm increasingly more inclined to let VLC 
>print Warnings that inform users they are using non-standard 
>protocols/equipment, and that they should inform the developers of 
>this stuff.

Yes, I agree.

Ross Finlayson
Live Networks, Inc.

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