2013-01-03 20:38:46 +00:00
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# coding=utf-8
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__author__ = "Gina Häußge <osd@foosel.net>"
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__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
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2013-01-18 22:23:50 +00:00
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from octoprint.settings import settings
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2013-01-03 20:38:46 +00:00
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import os
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import threading
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import urllib
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import time
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2013-01-03 21:58:47 +00:00
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import subprocess
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2013-01-04 12:11:00 +00:00
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import fnmatch
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def getFinishedTimelapses():
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files = []
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basedir = settings().getBaseFolder("timelapse")
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for osFile in os.listdir(basedir):
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if not fnmatch.fnmatch(osFile, "*.mpg"):
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continue
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files.append({
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"name": osFile,
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"size": os.stat(os.path.join(basedir, osFile)).st_size
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})
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return files
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2013-01-03 20:38:46 +00:00
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class Timelapse(object):
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def __init__(self):
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2013-01-13 17:28:30 +00:00
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self._imageNumber = None
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self._inTimelapse = False
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self._gcodeFile = None
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2013-01-03 20:38:46 +00:00
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2013-01-13 17:28:30 +00:00
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self._captureDir = settings().getBaseFolder("timelapse_tmp")
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self._movieDir = settings().getBaseFolder("timelapse")
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self._snapshotUrl = settings().get("webcam", "snapshot")
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self._renderThread = None
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self._captureMutex = threading.Lock()
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2013-01-03 20:38:46 +00:00
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def onPrintjobStarted(self, gcodeFile):
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self.startTimelapse(gcodeFile)
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def onPrintjobStopped(self):
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self.stopTimelapse()
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def onPrintjobProgress(self, oldPos, newPos, percentage):
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pass
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def onZChange(self, oldZ, newZ):
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pass
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def startTimelapse(self, gcodeFile):
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2013-01-03 21:58:47 +00:00
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self.cleanCaptureDir()
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2013-01-13 17:28:30 +00:00
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self._imageNumber = 0
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self._inTimelapse = True
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self._gcodeFile = os.path.basename(gcodeFile)
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2013-01-03 20:38:46 +00:00
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def stopTimelapse(self):
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2013-01-13 17:28:30 +00:00
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self._renderThread = threading.Thread(target=self._createMovie)
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self._renderThread.daemon = True
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self._renderThread.start()
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2013-01-03 21:58:47 +00:00
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2013-01-13 17:28:30 +00:00
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self._imageNumber = None
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self._inTimelapse = False
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2013-01-03 20:38:46 +00:00
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def captureImage(self):
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if self._captureDir is None:
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2013-01-03 20:38:46 +00:00
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return
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2013-01-13 17:28:30 +00:00
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with self._captureMutex:
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filename = os.path.join(self._captureDir, "tmp_%05d.jpg" % (self._imageNumber))
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self._imageNumber += 1;
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2013-01-03 20:38:46 +00:00
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2013-01-13 17:28:30 +00:00
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captureThread = threading.Thread(target=self._captureWorker, kwargs={"filename": filename})
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captureThread.daemon = True
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2013-01-03 20:38:46 +00:00
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captureThread.start()
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2013-01-13 17:28:30 +00:00
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def _captureWorker(self, filename):
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urllib.urlretrieve(self._snapshotUrl, filename)
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2013-01-03 20:38:46 +00:00
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2013-01-13 17:28:30 +00:00
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def _createMovie(self):
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2013-01-03 21:58:47 +00:00
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ffmpeg = settings().get("webcam", "ffmpeg")
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2013-01-27 10:12:28 +00:00
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bitrate = settings().get("webcam", "bitrate")
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if ffmpeg is None or bitrate is None:
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2013-01-03 21:58:47 +00:00
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return
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2013-01-13 17:28:30 +00:00
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input = os.path.join(self._captureDir, "tmp_%05d.jpg")
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output = os.path.join(self._movieDir, "%s_%s.mpg" % (os.path.splitext(self._gcodeFile)[0], time.strftime("%Y%m%d%H%M%S")))
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2013-01-03 21:58:47 +00:00
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subprocess.call([
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ffmpeg, '-i', input, '-vcodec', 'mpeg2video', '-pix_fmt', 'yuv420p', '-r', '25', '-y',
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2013-01-27 10:12:28 +00:00
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'-b:v', bitrate, '-f', 'vob', output
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2013-01-03 21:58:47 +00:00
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])
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def cleanCaptureDir(self):
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if not os.path.isdir(self._captureDir):
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2013-01-03 21:58:47 +00:00
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return
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2013-01-13 17:28:30 +00:00
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for filename in os.listdir(self._captureDir):
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2013-01-04 12:11:00 +00:00
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if not fnmatch.fnmatch(filename, "*.jpg"):
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continue
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2013-01-13 17:28:30 +00:00
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os.remove(os.path.join(self._captureDir, filename))
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2013-01-03 21:58:47 +00:00
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2013-01-03 20:38:46 +00:00
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class ZTimelapse(Timelapse):
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def __init__(self):
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Timelapse.__init__(self)
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def onZChange(self, oldZ, newZ):
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self.captureImage()
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class TimedTimelapse(Timelapse):
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def __init__(self, interval=1):
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Timelapse.__init__(self)
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2013-01-13 17:28:30 +00:00
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self._interval = interval
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if self._interval < 1:
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self._interval = 1 # force minimum interval of 1s
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2013-01-03 20:38:46 +00:00
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2013-01-13 17:28:30 +00:00
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self._timerThread = None
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2013-01-03 20:38:46 +00:00
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2013-01-04 10:08:19 +00:00
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def onPrintjobStarted(self, filename):
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Timelapse.onPrintjobStarted(self, filename)
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2013-01-13 17:28:30 +00:00
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if self._timerThread is not None:
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2013-01-03 20:38:46 +00:00
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return
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2013-01-13 17:28:30 +00:00
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self._timerThread = threading.Thread(target=self.timerWorker)
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self._timerThread.daemon = True
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self._timerThread.start()
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2013-01-03 20:38:46 +00:00
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def timerWorker(self):
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2013-01-13 17:28:30 +00:00
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while self._inTimelapse:
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2013-01-03 20:38:46 +00:00
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self.captureImage()
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time.sleep(self._interval)
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