saa7130. how many buffers?

[Francisco Javier Cabello <fjcabello@xxxxxxxxxxxxxxxx>]

Hi all,
I am working with a saa7130 based capture board. It has four saa7134 grabbing 
video from four different cameras.
I want to grab 25 fps from each camera. I have realized that saa7130 driver 
uses four video buffers, although you can set more buffers per device.

How many buffers should I use? are four buffers enough? Is there any way check 
if driver is lacking buffers during capture process?

Thanks in advance.

Paco
-- 
One of my most productive days was throwing away 1000 lines of code (Ken 
Thompson)
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