def createJobFromImageFile(self, filename=None):
"""
Create a job for the file specified
@param: filename An image file
@return: a Job instance containing the image file to convert
"""
for plugin in self._plugins:
if plugin.canConvert(filename):
sourceMedia = plugin.probeImage(filename)
mediaFile = MediaFile()
mediaFile.setFileName(filename)
mediaFile.setImageStreams(sourceMedia.get("image"))
return plugin.createImageJob(sourceMediaFile=mediaFile)
else:
return Job()
def createImageJob(self, sourceMediaFile=None):
"""
Creates a job to convert image file to my own storage requirements
@param sourceMediaFile Source MediaFile object
@return Job instance to convert the image
"""
sourceImageStreams = sourceMediaFile.getImageStreams()
masterJob = None
backupDestinationMediaFile = MediaFile()
convertDestinationMediaFile = MediaFile()
destinationBakupImageStreams = list()
destinationConvertImageStreams = list()
# Source video attributes
sIWidth = None
sIHeight = None
sIDPIX = None
sIDPIY = None
sIQuality = None
# Handbrake Destination video attributes
dIWidth = None
dIHeight = None
dIDPIX = None
dIDPIY = None
dIQuality = None
countSourceImageStreams = len(sourceImageStreams)
if countSourceImageStreams == 1:
imsKey = sourceImageStreams.keys()[0]
ims = sourceImageStreams[imsKey]
sIWidth = ims.getWidth()
sIHeight = ims.getHeight()
sIDPIX = ims.getDensityX()[0]
sIDPIY = ims.getDensityY()[0]
sIQuality = ims.getQuality()
loggerCameraSourceType = "Not identified"
skippedJobCreation = True
skippedReason = ""
sIQuotientHeightWidth = float(float(sIHeight)/float(sIWidth))
# Select appropriate destination media file convertion settings
# Unknown1
if(sIDPIX == 300 and sIDPIY == 300 and
sIWidth >= 3508 and sIHeight >= 2480):
if sIQuotientHeightWidth >= 1.0:
sIHeight=3508
else:
dIWidth=2480
dIQuality=95
loggerCameraSourceType = "Unknown1"
skippedJobCreation = False
# GoPro 3+ Silver - 10MP Wide Mode
elif(sIDPIX == 72 and sIDPIY == 72 and
sIWidth == 3680 and sIHeight == 2760):
dIQuality=92
loggerCameraSourceType = "GoPro 3+ Silver - 10MP Wide Mode"
skippedJobCreation = False
# Unknown2
elif((sIWidth <= 2480 and sIHeight <= 3508) or
(sIDPIX <=300 and sIDPIY <=300)):
# No need to re-encode
skippedJobCreation = True
skippedReason = "No need to re-encode"
else:
skippedJobCreation = True
skippedReason = "No suitable converter configuration found. Missing a convertion case ? New image file ?"
if not skippedJobCreation:
try:
masterJob = OnSuccessOnlyConverterJob()
# Backup file as Job #1
sourceBackupFileName = sourceMediaFile.getFileName()
destinationBackupFileName = str(sourceBackupFileName) + ".backup"
destinationBackupMediaFile = MediaFile()
destinationBackupMediaFile.setFileName(destinationBackupFileName)
copyFileJob = CopyFileJob(sourceFileName=sourceMediaFile.getFileName(), destinationFileName=destinationBackupMediaFile.getFileName())
masterJob.addJob(copyFileJob)
loggerJobCreationRuntime.info("Will backup file: " + str(sourceBackupFileName) + " to " + str(destinationBackupFileName))
# Convert with ImageMagick's mogrity tool as Job #2
convertSourceMediaFile = MediaFile()
convertSourceMediaFile.setFileName(util.escapePathForOSIndependentShell(destinationBackupFileName))
convertDestinationFileName = sourceMediaFile.getFileName()
convertDestinationMediaFile.setFileName(util.escapePathForOSIndependentShell(convertDestinationFileName))
destinationConvertImageStream = ImageStream(filename=convertDestinationFileName, width=dIWidth, height=sIHeight, quality=dIQuality, densityX=dIDPIX, densityY=dIDPIY)
destinationConvertImageStreams.append(destinationConvertImageStream)
convertDestinationMediaFile.setImageStreams(destinationConvertImageStreams)
convertCLIBuilder = ConvertCLGenerator.createResizeJobFrom(sourceMediaFile=convertSourceMediaFile, destinationMediaFile=convertDestinationMediaFile)
convertCLIRunner = CLRunner(shell=True)
masterJob.addJob(ConverterJob(clibuilder=convertCLIBuilder, clirunner=convertCLIRunner))
loggerJobCreationRuntime.info("convert cl:" + str(convertCLIBuilder.tocl()))
# Delete backup file as Job #3
masterJob.addJob(DeleteFileJob(filename=destinationBackupMediaFile.getFileName()))
loggerJobCreationRuntime.info("Will delete file:" + str(destinationBackupMediaFile.getFileName()))
loggerJobCreationSuccess.info("JOB_CREATION_SUCCESS:" + sourceMediaFile.getFileName() + ": Type:" + loggerCameraSourceType)
except BaseException:
loggerJobCreationFailed.exception("JOB_CREATION_FAILED:" + sourceMediaFile.getFileName() + ": Type:" + loggerCameraSourceType + "Exception :")
else:
loggerJobCreationSkipped.info("JOB_CREATION_SKIPPED:" +
sourceMediaFile.getFileName() +
": Type:" + loggerCameraSourceType
+ " Reason: " +skippedReason)
else:
loggerJobCreationFailed.error("JOB_CREATION_FAILED:" + sourceMediaFile.getFileName() + ": Reason: 1 video stream expected. " + str(countSourceVideoStreams) + " found.")
if not masterJob:
masterJob = Job() # Created only if proper convert job not created
return masterJob