Keep top left corner of window where it was when resizing.

Keep aspect and max size of window at all times.
Remove (now unnecessary) sleep(0.1) in vcr capture code.
Add messages when initializing VCR.
Remove old comments.

diff --git a/Demo/sgi/video/Vb.py b/Demo/sgi/video/Vb.py
index 160ef3d433093831a236ce8026479b387e898e11..df8505bf1710de7df6770124958aaac0bea89970 100755 (executable)
--- a/Demo/sgi/video/Vb.py
+++ b/Demo/sgi/video/Vb.py
@@ -194,10 +194,17 @@ class VideoBagOfTricks:
                if not self.window:
                        return
                gl.winset(self.window)
+               x, y = self.maxx, self.maxy
+               gl.keepaspect(x, y)
+               gl.stepunit(8, 6)
                if not self.use_24:
+                       gl.maxsize(x, y)
                        gl.winconstraints()
                        return
-               gl.prefsize(self.maxx, self.maxy)
+               left, bottom = gl.getorigin()
+               width, height = gl.getsize()
+               bottom = bottom+height-y
+               gl.prefposition(left, left+x-1, bottom, bottom+y-1)
                gl.winconstraints()
                self.bindvideo()
 
@@ -502,12 +509,16 @@ class VideoBagOfTricks:
        def vcr_capture(self):
                if not self.vcr:
                        try:
+                               print 'Connecting to VCR ...'
                                self.vcr = VCR.VCR().init()
+                               print 'Waiting for VCR to come online ...'
                                self.vcr.wait()
+                               print 'Preparing VCR ...'
                                if not (self.vcr.fmmode('dnr') and \
                                          self.vcr.dmcontrol('digital slow')):
                                        self.vcr_error('digital slow failed')
                                        return
+                               print 'VCR OK.'
                        except VCR.error, msg:
                                self.vcr = None
                                self.vcr_error(msg)
@@ -515,8 +526,6 @@ class VideoBagOfTricks:
                if not self.vcr.still():
                        self.vcr_error('still failed')
                        return
-               # XXX for some reason calling where() too often hangs the VCR,
-               # XXX so we insert sleep(0.1) before every sense() call.
                self.open_if_closed()
                rate = self.getint(self.in_rate_vcr, 1)
                rate = max(rate, 1)
@@ -541,12 +550,11 @@ class VideoBagOfTricks:
                                        rate = rate - (here - addr)
                                addr = here
                        return
-               if not self.vcr.fwdshuttle(vcrspeed):   # one tenth speed
+               if not self.vcr.fwdshuttle(vcrspeed):
                        self.vcr_error('fwd shuttle failed')
                        return
                cycle = 0
                while count > 0:
-                       time.sleep(0.1)
                        try:
                                here = self.vcr.sense()
                        except VCR.error, msg: