| # Live video output (display video on the screen, presumably from the net) |
| |
| import gl |
| from VFile import Displayer |
| |
| |
| # Video output (displayer) class. |
| |
| class LiveVideoOut: |
| |
| def init(self, wid, xywh, vw, vh): |
| ##print 'Init', wid, xywh |
| ##print 'video', vw, vw |
| self.vw = vw |
| self.vh = vh |
| self.disp = Displayer().init() |
| info = ('rgb8', vw, vh, 1, 8, 0, 0, 0, 0) |
| self.disp.setinfo(info) |
| self.wid = wid |
| oldwid = gl.winget() |
| gl.winset(wid) |
| self.disp.initcolormap() |
| self.resize(xywh) |
| gl.winset(oldwid) |
| return self |
| |
| def resize(self, (x, y, w, h)): |
| oldwid = gl.winget() |
| gl.winset(self.wid) |
| ##print 'Resize', x, y, w, h |
| gl.winposition(x, x+w-1, y, y+h-1) |
| gl.reshapeviewport() |
| if w < self.vw or h < self.vh: |
| self.toosmall = 1 |
| else: |
| self.disp.xorigin = (w-self.vw)/2 |
| self.disp.yorigin = (h-self.vh)/2 |
| self.toosmall = 0 |
| ##print 'VIDEO OFFSET:', \ |
| ## self.disp.xorigin, self.disp.yorigin |
| self.disp.clear() |
| gl.winset(oldwid) |
| |
| def putnextpacket(self, pos, data): |
| if self.toosmall: |
| return |
| oldwid = gl.winget() |
| gl.winset(self.wid) |
| nline = len(data)/self.vw |
| if nline*self.vw <> len(data): |
| print 'Incorrect-sized video fragment' |
| self.disp.showpartframe(data, None, (0, pos, self.vw, nline)) |
| gl.winset(oldwid) |
| |
| def close(self): |
| ##print 'Done video out' |
| pass |