On Friday, November 15, 2002, at 09:31 AM, Steve Sisak wrote:
<----- Snipped By Me for Brevity ----->
In the future, it would be a "good thing" to define a standard API for:
1) List of video resolutions supported
2) List of hardware supported frame rates
3) Valid combinations of above
rates for a given resolution
resolutions for a given/minimum rate
4) Which of these are currently valid given available bus bandwidth
I would also add:
5) Analog Signals Inputs supported (if relevant), for example
NTSC, PAL, SECAM or others too.
For A/D converter the signal input used affects 1,2 and 3.
Although we add in the "fiel","colr", "pasp", "clap" and "gama"
Image Description Extensions to the image description for our
VDIGs (Vitana's PL1394VC under OS 9, Vitana PL6xx non DCAM FW
Video Cameras and The Imaging sources' DFG/1394-1 for OSX/ OS
9), the user can't get this info with "VDGetImageDescription()"
until they've successfully called "VDSetCompression()".
Also it would be nice if there was a "Progressive" type, which
could mean size is not "tied" to signal such as USB CCD/CMOS and
FW (both DCAM and non DCAM types) Video/Web cameras.
HTH..
Milton J. Aupperle
President
ASC - Aupperle Services and Contracting
Mac Software (Drivers, Components and Application) Specialist
#1011 - 2995 Albion Road N.
Ottawa Ontario Canada K1V8Z2
1-(613)-739-3274
email@hidden
www.outcastsoft.com
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