def initCamera(self):
if self.config != None and self.config.cameraDisabled != 1:
self.qcam = QCamera()
self.qcam.locked.connect(self.snap)
self.imgCapture = QCameraImageCapture(self.qcam)
self.imgCapture.imageSaved.connect(self.pictureSaved)
self.imgCapture.error.connect(self.error)
self.autoShutOff = TorchAutoShutOff(self)
self.autoShutOff.schedule(500)
class Camera():
def __init__(self):
self.torchState = "off"
def setConfig(self, config):
self.config = config
def initCamera(self):
if self.config != None and self.config.cameraDisabled != 1:
self.qcam = QCamera()
self.qcam.locked.connect(self.snap)
self.imgCapture = QCameraImageCapture(self.qcam)
self.imgCapture.imageSaved.connect(self.pictureSaved)
self.imgCapture.error.connect(self.error)
self.autoShutOff = TorchAutoShutOff(self)
self.autoShutOff.schedule(500)
def onShutter(self):
self.notify(self.config.quickSnapShutterSound,
self.config.quickSnapShutterLedPattern)
def onSave(self):
self.notify(self.config.quickSnapSaveSound,
self.config.quickSnapSaveLedPattern)
def notify(self, snd, ledPattern):
print snd
try:
if ledPattern != None:
ledPattern.fire()
if snd != None and len(snd) > 0:
self.playSound(snd)
except:
pass
def setFlashMode(self, mode):
self.qcam.exposure().setFlashMode(
{ "auto": QCameraExposure.FlashAuto
, "manual": QCameraExposure.FlashManual
, "on": QCameraExposure.FlashOn
, "off": QCameraExposure.FlashOff
, "torch": QCameraExposure.FlashTorch
}[mode])
def focusAndSnap(self, flashMode):
if self.config != None and self.config.cameraDisabled != 1:
self.qcam.setCaptureMode(QCamera.CaptureStillImage)
self.qcam.start()
self.setFlashMode(flashMode)
self.qcam.searchAndLock()
def snap(self):
self.onShutter()
self.imgCapture.capture(self.getPictureFile())
def pictureSaved(self, picId, picFilename):
print >>sys.stderr, 'saved picture: ' + picFilename
self.onSave()
self.unloadCamera()
def error(self, errId, err, errStr):
print >>sys.stderr, "error: " + errStr
self.unloadCamera()
def unloadCamera(self):
self.qcam.unlock()
self.qcam.unload()
def getPictureFile(self):
millis = int(round(time.time() * 1000))
return "/home/user/MyDocs/DCIM/" + str(millis) + ".jpg"
def playSound(self, snd):
subprocess.Popen(["aplay", snd])
def torchToggle(self):
if self.torchState == "on":
self.torchOff()
else:
self.torchOn()
def torchOn(self):
if self.config != None and self.config.cameraDisabled != 1:
print "torch on"
self.qcam.setCaptureMode(QCamera.CaptureVideo)
self.setFlashMode("torch")
self.qcam.start()
self.torchState = "on"
if self.config != None and self.config.torchAutoShutOffTimeMs != None:
self.autoShutOff.schedule(self.config.torchAutoShutOffTimeMs)
def torchOff(self):
if self.config != None and self.config.cameraDisabled != 1:
self.autoShutOff.cancel()
print "torch off"
self.qcam.setCaptureMode(QCamera.CaptureStillImage)
self.setFlashMode("manual")
self.unloadCamera()
self.torchState = "off"
