[FFmpeg-devel] [PATCH 8/8] tools: add device_capabilities testingtool

Don Moir donmoir at comcast.net
Thu Feb 27 01:02:35 CET 2014

----- Original Message ----- 
From: "Lukasz Marek" <lukasz.m.luki at gmail.com>
To: <ffmpeg-devel at ffmpeg.org>
Cc: "Lukasz Marek" <lukasz.m.luki at gmail.com>
Sent: Saturday, February 22, 2014 5:33 PM
Subject: [FFmpeg-devel] [PATCH 8/8] tools: add device_capabilities testingtool

> tool allows to test implementations of device caps API.
> Signed-off-by: Lukasz Marek <lukasz.m.luki at gmail.com>

Not sure how you would get list of width/height and associated pixel format for that width/height.

For cameras, the pixel format can vary with width and height and can be yuv, rgb, mpeg, etc. Not all width/height values support all 
pixel formats and you may get duplicates of width/height with different pixel formats.

I create a list of width/height values and normally choose the best compression for a particular width/height. Compressed formats 
can make a lot of difference CPU wise coming over USB.

Anyway, this may be accounted for somewhere and just not seeing it.

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