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Diffstat (limited to 'src/utils/avg_chromakey.py')
| -rwxr-xr-x | src/utils/avg_chromakey.py | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/utils/avg_chromakey.py b/src/utils/avg_chromakey.py new file mode 100755 index 0000000..f572488 --- /dev/null +++ b/src/utils/avg_chromakey.py @@ -0,0 +1,189 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +# libavg - Media Playback Engine. +# Copyright (C) 2003-2014 Ulrich von Zadow +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# Current versions can be found at www.libavg.de + +from libavg import avg, app, widget +from libavg import parsecamargs + +GUI_SIZE=(300, 526) + + +class FXSlider(avg.DivNode): + def __init__(self, row, min, max, fxNode, fxAttrName, caption, isInt, parent=None, + **kwargs): + super(FXSlider, self).__init__(**kwargs) + if parent: + parent.appendChild(self) + avg.RectNode(pos=(0,8), size=(280,38), color="808080", strokewidth=2, parent=self) + textBgRect = avg.RectNode(pos=(8,2), fillcolor="000000", fillopacity=1, + strokewidth=0, parent=self) + caption = avg.WordsNode(pos=(10,0), text=caption, parent=self) + textBgRect.size = caption.getMediaSize() + (4,2) + self.__words = avg.WordsNode(pos=(240,23), parent=self) + self.__slider = widget.Slider(width=220, range=(min,max), pos=(15,20), parent=self) + self.__slider.subscribe(self.__slider.THUMB_POS_CHANGED, self.__onSliderMove) + self.pos = (0, row*46) + self.__fxNode = fxNode + self.__fxAttrName = fxAttrName + self.__caption = caption + self.__isInt = isInt + self.__slider.thumbPos = getattr(self.__fxNode, fxAttrName) + self.__onSliderMove(self.__slider.thumbPos) + + def __onSliderMove(self, thumbPos): + if self.__isInt: + setattr(self.__fxNode, self.__fxAttrName, int(thumbPos)) + self.__words.text = "%i"%thumbPos + else: + setattr(self.__fxNode, self.__fxAttrName, thumbPos) + self.__words.text = "%.2f"%thumbPos + + +def colorToString(colorTuple): + s = "%02X%02X%02X"%colorTuple[:-1] + return s + + +class Chromakey(app.MainDiv): + def onArgvParserCreated(self, parser): + parser.set_usage(usage) + parsecamargs.addOptions(parser) + + def onArgvParsed(self, options, args, parser): + if options.driver is None: + parser.print_help() + print + print "ERROR: at least '--driver' must be specified" + exit(1) + + self.__optWidth = options.width + self.__optHeight = options.height + self.__optsCam = { + "driver": options.driver, + "device": options.device, + "unit": options.unit, + "fw800": options.fw800, + "pixelformat": options.pixelFormat, + "framerate": options.framerate} + + self.settings.set("app_resolution", "%dx%d" + %(GUI_SIZE[0]+options.width, max(GUI_SIZE[1], options.height))) + + def onInit(self): + avg.RectNode(size=(self.__optWidth,self.__optHeight), fillcolor="FF0000", + fillopacity=1, strokewidth=0, parent=self) + self.__camNode = avg.CameraNode( + capturewidth=self.__optWidth, captureheight=self.__optHeight, + width=self.__optWidth, height=self.__optHeight, parent=self, + **self.__optsCam) + self.__camNode.play() + self.__filter = avg.ChromaKeyFXNode() + self.__camNode.setEffect(self.__filter) + self.__filter.color = "0000FF" + self.__filter.htolerance = 0.05 + self.__filter.stolerance = 1.0 + self.__filter.ltolerance = 1.0 + self.__filter.softness = 0.0 + + self.__createGUI() + + def __createGUI(self): + self.__guiDiv = avg.DivNode(pos=(self.__optWidth+10,10), parent=self) + + self.__colorWords = avg.WordsNode(pos=(0,14), parent=self.__guiDiv) + self.__colorWords.text = "Key Color: "+self.__filter.color + self.__colorRect = avg.RectNode(pos=(200,12), size=(20, 20), + fillcolor=self.__filter.color, fillopacity=1, + color="FFFFFF", parent=self.__guiDiv) + self.__camNode.subscribe(avg.Node.CURSOR_DOWN, self.__onColorDown) + + FXSlider(1, 0.0, 1.0, self.__filter, "htolerance", "Hue Tolerance", + False, parent=self.__guiDiv) + FXSlider(2, 0.0, 1.0, self.__filter, "stolerance", "Saturation Tolerance", + False, parent=self.__guiDiv) + FXSlider(3, 0.0, 1.0, self.__filter, "ltolerance", "Lightness Tolerance", + False, parent=self.__guiDiv) + FXSlider(4, 0.0, 1.0, self.__filter, "softness", "Softness", + False, parent=self.__guiDiv) + FXSlider(5, 0, 8, self.__filter, "erosion", "Erosion", + True, parent=self.__guiDiv) + FXSlider(6, 0.0, 1.0, self.__filter, "spillthreshold", "Spill Suppression", + False, parent=self.__guiDiv) + + button = widget.TextButton(pos=(0,332), text="Whitebalance", size=(100,22), + parent=self.__guiDiv) + button.subscribe(button.CLICKED, self.__onWhitebalance) + button = widget.TextButton(pos=(110,332), text="Dump Config", size=(100,22), + parent=self.__guiDiv) + button.subscribe(button.CLICKED, self.__dumpConfig) + + FXSlider(9, 0, 500, self.__camNode, "shutter", "Shutter", + True, parent=self.__guiDiv) + FXSlider(10, 128, 1023, self.__camNode, "gain", "Gain", + True, parent=self.__guiDiv) + + def __onColorDown(self, event): + pos = self.__camNode.getRelPos(event.pos) + bmp = self.__camNode.getBitmap() + color = bmp.getPixel(pos) + colorString = colorToString(color) + self.__filter.color = colorString + self.__colorWords.text = "Key Color: "+colorString + self.__colorRect.fillcolor = colorString + + def __onWhitebalance(self): + self.__camNode.setWhitebalance( + self.__camNode.getWhitebalanceU(), self.__camNode.getWhitebalanceV()) + self.__camNode.doOneShotWhitebalance() + + def __dumpConfig(self): + print "Camera:" + print " device=", self.__camNode.device + print " shutter=", self.__camNode.shutter + print " gain=", self.__camNode.gain + print " White Balance: (u=", self.__camNode.getWhitebalanceU(), ", v=", \ + self.__camNode.getWhitebalanceV() + + print "Chromakey:" + print " color=", self.__filter.color + print " htolerance=", self.__filter.htolerance + print " stolerance=", self.__filter.stolerance + print " ltolerance=", self.__filter.ltolerance + print " softness=", self.__filter.softness + print " erosion=", self.__filter.erosion + print " spillthreshold=", self.__filter.spillthreshold + + +usage = """%prog [options] + +avg_chromakey.py is a configuration utility for the libavg chromakey filter. +The chromakey filter allows implementation of green- or bluescreens with +libavg. + +This utility shows a camera image with chromakey applied to it and allows the +user to adjust the camera and filter parameters. The parameters can be dumped +to the console for easy inclusion in libavg scripts. +""" + + +if __name__ == "__main__": + app.App().run(Chromakey()) + |