Hello ! Where can I find the installation instructions for Mac OS X? So far, my application doesn't detect any camera, though a friend had it successfully working on his computer. Is OpenCV still needed ? Is it supposed to work under OSX 10.4 or does it require 10.5? Thanks !
a 2009/8/6 René Dudfield <[email protected]>: > Hi, > > nice work! > > Also check out the apple performance profiling tools*. They should let you > see which objc functions are slow, where as the cprofile module just works > for python exposed functions. > > You probably need to add -pg to the gcc flags so it adds profile information > when it compiles. > > cu, > > > * http://developer.apple.com/tools/sharkoptimize.html > > > > On Wed, Aug 5, 2009 at 1:24 PM, el lauwer <[email protected]> wrote: >> >> Hello, >> >> Since, GSOX is drawing into a close I though I post an other update on my >> progress. >> >> First of all, I have added support for yuv and hsb color output with >> different color depths by using the color transform functions. >> >> I have looked into the flip controller, and the only function I could find >> in the Quicktime API that should be able to do this is >> SGSetChannelMatrix(channel, matrix) [0]. However when I try to set an mirror >> matrix (a scale + translate matrix) it return an error that indicates that >> the transformation matrix isn't supported. >> Here is the code sniped: >> >> MatrixRecord matrix; >> Fixed minusOne = Long2Fix(-1L); >> Fixed PlusOne = Long2Fix(1L); >> Fixed zero = Long2Fix(0L); >> >> ScaleMatrix(matrix, fixed1, minusOne, 0, 0); >> TranslateMatrix(matrix, Long2Fix(self->boundsRect.right), 0); >> SGSetChannelMatrix(self->channel, &matrix); >> >> You can find more context in the file src/camera_mac.m:133 >> >> Nirav, since you joined Apple, maybe you can ask the good people in >> Cupertino, how they intended this to be done :P >> >> In case there is no way that qt support this controller, should I just >> keep them out and use transform.flip instead? >> >> >> I have been testing the camera games by nirav (bouncy bal, pointillism, >> reflectionrejection), pointillism runs very slow, about 2,5 frames a second, >> and the other don't display an image frame. I haven't found the problem yet. >> >> >> [0] >> http://developer.apple.com/documentation/QuickTime/Reference/QTRef_SequenceGrabber/Reference/reference.html#//apple_ref/c/func/SGSetChannelMatrix >> >> Grtz > > -- Alexandre Quessy http://alexandre.quessy.net/
