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Diffstat (limited to 'src/utils/avg_showcamera.py')
| -rwxr-xr-x | src/utils/avg_showcamera.py | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/utils/avg_showcamera.py b/src/utils/avg_showcamera.py new file mode 100755 index 0000000..4c2cc18 --- /dev/null +++ b/src/utils/avg_showcamera.py @@ -0,0 +1,201 @@ +#!/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 + +import time +from libavg import avg, player +from libavg import parsecamargs +from libavg import app + +usage = """%prog [options] + +avg_showcamera.py shows the images captured by a camera attached to the +system. Its main use is to find out which parameters - device names, +image formats, framerates, etc. can be used with the camera(s).""" + + +class ShowCamera(app.MainDiv): + def onArgvParserCreated(self, parser): + parser.set_usage(usage) + parsecamargs.addOptions(parser) + parser.add_option("-l", "--list", dest="list", + action="store_true", default=False, + help="lists informations about detected cameras") + parser.add_option("-s", "--noinfo", dest="noinfo", + action="store_true", default=False, + help="don't show any info overlayed on the screen") + parser.add_option("-r", "--resetbus", dest="resetbus", + action="store_true", default=False, + help="reset the firewire bus") + + def onArgvParsed(self, options, args, parser): + if options.list: + infoList = list() + infoList = avg.CameraNode.getCamerasInfos() + if (len(infoList) <= 0): + print "No camera available!" + for info in infoList: + print "" + print "##################",info.driver,"##################" + print "Device ID:", info.deviceID + print "" + print "----------------- FORMATS ------------------" + formatsList = list() + formatsList = info.imageFormats + for format in formatsList: + print "++++" + print "Pixelformat:", format.pixelFormat + print "Resolution:", format.size + print "Framerates: |", + framerateList = list() + framerateList = format.framerates + for framerate in framerateList: + print framerate, "|", + print "" + print "" + print "----------------- CONTROLS -----------------" + controlsList = list() + controlsList = info.controls + for control in controlsList: + print "++++", control.controlName + print "Min:" , control.min, "| Max:", control.max, + print "| Default:", control.default + print "" + exit(0) + + if options.resetbus: + avg.logger.info("Resetting firewire bus.") + avg.CameraNode.resetFirewireBus() + time.sleep(1) + if not options.driver: + exit(0) + + if options.driver is None and not options.list and not options.resetbus: + parser.print_help() + print + print "ERROR: at least '--driver', '--list' or '--resetbus' options " \ + "must be specified" + exit(1) + + self.optdict = {} + for attr in dir(options): + if attr[0] != '_': + self.optdict[attr] = eval("options.%s" %attr) + + self.settings.set("app_resolution", "%dx%d" %(options.width, options.height)) + + def onInit(self): + self.curFrame = 0 + + avg.logger.info("Creating camera:") + avg.logger.info("driver=%(driver)s device=%(device)s" %self.optdict) + avg.logger.info( + "width=%(width)d height=%(height)d pixelformat=%(pixelFormat)s" + %self.optdict) + avg.logger.info("unit=%(unit)d framerate=%(framerate)d fw800=%(fw800)s" + %self.optdict) + + self.camNode = avg.CameraNode(driver=self.optdict["driver"], + device=self.optdict["device"], unit=self.optdict["unit"], + fw800=self.optdict["fw800"], framerate=self.optdict["framerate"], + capturewidth=self.optdict["width"], captureheight=self.optdict["height"], + pixelformat=self.optdict["pixelFormat"], parent=self) + + if not self.optdict["noinfo"]: + self.infoText = ("Driver=%(driver)s (dev=%(device)s unit=%(unit)d) " + "%(width)dx%(height)d@%(framerate)f" %self.optdict) + avg.WordsNode(text=self.infoText, color="ff3333", pos=(5,5), fontsize=14, + rawtextmode=True, parent=self) + self.frameText = avg.WordsNode(color="ff3333", pos=(5,25), fontsize=14, + parent=self) + else: + self.frameText = None + + self.setupKeys() + + self.camNode.play() + player.setTimeout(100, self.checkCamera) + + def onFrame(self): + if self.frameText: + self.curFrame += 1 + self.frameText.text = "%(cam)d/%(app)d" \ + %{"cam":self.camNode.framenum, "app":self.curFrame} + + def checkCamera(self): + if not(self.camNode.isAvailable()): + avg.logger.error("Could not open camera") + exit(1) + + def setupKeys(self): + def setWhitebalance(): + print "Setting whitebalance" + self.camNode.doOneShotWhitebalance() + + def addWhitebalance(du = 0, dv = 0): + self.camNode.setWhitebalance(self.camNode.getWhitebalanceU() + du, + self.camNode.getWhitebalanceV() + dv) + print ("u:", self.camNode.getWhitebalanceU(), "v:", + self.camNode.getWhitebalanceV()) + + def addGain(gain): + self.camNode.gain += gain + print "gain:", self.camNode.gain + + def addShutter(shutter): + self.camNode.shutter += shutter + print "shutter:", self.camNode.shutter + + app.keyboardmanager.bindKeyDown(keystring="w", + handler=setWhitebalance, + help="Execute whitebalance") + + app.keyboardmanager.bindKeyDown(keystring="1", + handler=lambda: addWhitebalance(du = -1), + help="Decrease whitebalance u") + app.keyboardmanager.bindKeyDown(keystring="2", + handler=lambda: addWhitebalance(du = 1), + help="Increase whitebalance u") + app.keyboardmanager.bindKeyDown(keystring="3", + handler=lambda: addWhitebalance(dv = -1), + help="Decrease whitebalance v") + app.keyboardmanager.bindKeyDown(keystring="4", + handler=lambda: addWhitebalance(dv = 1), + help="Increase whitebalance v") + + app.keyboardmanager.bindKeyDown(keystring="left", + handler=lambda: addShutter(shutter = -1), + help="Decrease shutter") + app.keyboardmanager.bindKeyDown(keystring="right", + handler=lambda: addShutter(shutter = 1), + help="Increase shutter") + + app.keyboardmanager.bindKeyDown(keystring="up", + handler=lambda: addGain(gain = 1), + help="Increase gain") + app.keyboardmanager.bindKeyDown(keystring="down", + handler=lambda: addGain(gain = -1), + help="Decrease gain") + + +if __name__ == "__main__": + app.App().run(ShowCamera()) + |