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