Re: Different ways of seeking

Brian Meyerpeter wrote:
> Hi All,
> 
> This may need to go to a different group (perhaps datatype dev), but I
> have a problem with a G2 based rendering/file format plugin during a seek
> operation.
> 
> I believe it has something to do with keyframes but I'm not sure.
> 
> When I click on the slider bar and go directly to a position, the
> datatype/server combination seeks appropriately.
> 
> When I take the bar and drag it, it will crash the realplayer.
> 
> My question is:
> 
> Since you have added the functionality to show keyframes while dragging
> the slide bar, is there some other interface I need to support either in
> the file format, or the renderer?
> 
> What is exactly happening when a person drags the slider back and forth
> and then letting it go at a particular location?

In that case (when it shows frames while seeking) the player uses
the QuickSeek() interface on the engine. While in that mode, the
engine does not send any audio packets to audio renderers but just
sends video packets.

I don't think any changes are required on the video renderer to
support this, it is probably exposing a bug that has been there
from some time. QuickSeek'ing does make the renderer decode very
quickly, so it is not exactly like a normal seek operation. What
is the stack trace of the crash?

--greg.


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