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Re: Passing file LUN to C routine [message #35187 is a reply to message #35117]

Fri, 16 May 2003 10:45

Stein Vidar Hagfors H[2] is currently offline

Stein Vidar Hagfors H[2]
Messages: 28
Registered: October 2002

Junior Member

Ben Tupper <btupper@bigelow.org> writes:

[...]
> Cleearly, the bottle neck is in the getTheData part, which I have
> written myself. It is a series of "Start Frame" - "Make Sure It's
> Done" - "Copy The Frame Data to Stack" steps. Mea culpa!

Ben, if you want to get full 30fps rate, you may want to reorganize this part
to do the "Start Frame" action *last* (i.e. to let the hardware acquire the
frame while you're doing other stuff). Often, hardware like that are driven
with "callback" routines (for when a frame is ready).

--
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Stein Vidar Hagfors Haugan
ESA SOHO SOC/European Space Agency Science Operations Coordinator for SOHO

NASA Goddard Space Flight Center, Tel.: 1-301-286-9028
Mail Code 682.3, Bld. 26, Room G-1, Cell: 1-240-354-6066
Greenbelt, Maryland 20771, USA. Fax: 1-301-286-0264
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[Message index]

		Passing file LUN to C routine By: btt on Tue, 06 May 2003 11:22
		Re: Passing file LUN to C routine By: btt on Wed, 07 May 2003 06:54
		Re: Passing file LUN to C routine By: Stein Vidar Hagfors H[2] on Mon, 12 May 2003 08:25
		Re: Passing file LUN to C routine By: Nigel Wade on Wed, 07 May 2003 02:56
		Re: Passing file LUN to C routine By: btt on Mon, 12 May 2003 09:33
		Re: Passing file LUN to C routine By: Stein Vidar Hagfors H[2] on Fri, 16 May 2003 10:45
		Re: Passing file LUN to C routine By: btt on Mon, 19 May 2003 05:33

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