def probeVideo(self, filename=None):
"""
Probes a video file.
Caveat: Supports only 1 video channel and 1 audio chanel
@param: file Video file to probe
@return Dictionary. Key "video" contains dictionary of VideoStream objects and key "audio" contains a dictionary of AudioStream objects
"""
loggerJobCreationRuntime.info("================================================================================")
loggerJobCreationRuntime.info("Processing :" + str(filename))
# Prepare CL
ffprobeCLBuilder = FFPROBECLGenerator()
ffprobeCLBuilder.addInputFile(util.escapePathForOSIndependentShell(filename))
ffprobeCLBuilder.addShowStreams()
cl = ffprobeCLBuilder.tocl()
loggerJobCreationRuntime.info("ffprobe cl:" + str(cl))
# Run CL
# clRunner = CLRunner(stdout=subprocess.PIPE, stderr=subprocess.PIPE)
clRunner = CLRunner(shell=True)
clRunner.run(cl)
ffprobeRawOutput = clRunner.stdout()
loggerJobCreationRuntime.info("ffprobe raw output:" + str(ffprobeRawOutput))
# Parse CL output
ffprobeParser = FFprobeParser()
streams = ffprobeParser.parseShowStreamsOuput(ffprobeRawOutput)
# Second pass: Build media instances
countStreams = len(streams)
mediaStreams = list()
if countStreams > 0:
for i in range(0, countStreams, 1):
stream = streams[i]
mediaStream = None
if stream["codec_type"] in "video":
mediaStream = ApertureConverterPlugin.createVideoStream(d=stream)
mediaStreams.append(mediaStream)
elif stream["codec_type"] in "audio":
mediaStream = ApertureConverterPlugin.createAudioStream(d=stream)
mediaStreams.append(mediaStream)
streamsMediaObjects = dict(video=dict(), audio=dict())
for i in range(0, len(mediaStreams)):
mediaStream = mediaStreams[i]
streams = None
if mediaStream.getType() in "video":
streams = (streamsMediaObjects["video"])
elif mediaStream.getType() in "audio":
streams = (streamsMediaObjects["audio"])
streams[mediaStream.getStreamIndex()] = mediaStream
loggerJobCreationRuntime.info("ffprobe converted output:" + str(streamsMediaObjects))
return streamsMediaObjects
def probeImage(self, filename=None):
"""
Probes an image file
@param: file Image file to probe
@return Dictionary. Key "image" contains dictionary of ImageStream objects
"""
loggerJobCreationRuntime.info("================================================================================")
loggerJobCreationRuntime.info("Processing :" + str(filename))
# Get Image width
identifyCLBuilder0 = IdentifyCLGenerator()
identifyCLBuilder0.addInputFile(util.escapePathForOSIndependentShell(filename))
identifyCLBuilder0.addFormatOption()
identifyCLBuilder0.addFormatWidthOption()
cl0 = identifyCLBuilder0.tocl()
loggerJobCreationRuntime.info("identify cl:" + str(cl0))
clRunner0 = CLRunner(shell=True)
clRunner0.run(cl0)
identifyCLRawOutput0 = clRunner0.stdout()
identifyParser0 = IdentifyParser()
width = identifyParser0.parseFormatWidthOption(identifyCLRawOutput0)
# Get Image height
identifyCLBuilder1 = IdentifyCLGenerator()
identifyCLBuilder1.addInputFile(util.escapePathForOSIndependentShell(filename))
identifyCLBuilder1.addFormatOption()
identifyCLBuilder1.addFormatHeightOption()
cl1=identifyCLBuilder1.tocl()
loggerJobCreationRuntime.info("identify cl:" + str(cl1))
clRunner1=CLRunner(shell=True)
clRunner1.run(cl1)
identifyCLRawOutput1=clRunner1.stdout()
identifyParser1 = IdentifyParser()
height = identifyParser1.parseFormatHeightOption(identifyCLRawOutput1)
# Get Image DPI X
identifyCLBuilder2 = IdentifyCLGenerator()
identifyCLBuilder2.addInputFile(util.escapePathForOSIndependentShell(filename))
identifyCLBuilder2.addFormatOption()
identifyCLBuilder2.addFormatHorizontalDPIOption()
cl2=identifyCLBuilder2.tocl()
loggerJobCreationRuntime.info("identify cl:" + str(cl2))
clRunner2=CLRunner(shell=True)
clRunner2.run(cl2)
identifyCLRawOutput2=clRunner2.stdout()
identifyParser2 = IdentifyParser()
dpiX = identifyParser2.parseFormatHorizontalDPIOption(identifyCLRawOutput2)
# Get Image DPI Y
identifyCLBuilder3 = IdentifyCLGenerator()
identifyCLBuilder3.addInputFile(util.escapePathForOSIndependentShell(filename))
identifyCLBuilder3.addFormatOption()
identifyCLBuilder3.addFormatVerticalDPIOption()
cl3=identifyCLBuilder3.tocl()
loggerJobCreationRuntime.info("identify cl:" + str(cl3))
clRunner3=CLRunner(shell=True)
clRunner3.run(cl3)
identifyCLRawOutput3=clRunner3.stdout()
identifyParser3 = IdentifyParser()
dpiY = identifyParser3.parseFormatVerticalDPIOption(identifyCLRawOutput3)
# Get Image Quality
identifyCLBuilder4 = IdentifyCLGenerator()
identifyCLBuilder4.addInputFile(util.escapePathForOSIndependentShell(filename))
identifyCLBuilder4.addFormatOption()
identifyCLBuilder4.addFormatQualityOption()
cl4=identifyCLBuilder4.tocl()
loggerJobCreationRuntime.info("identify cl:" + str(cl4))
clRunner4=CLRunner(shell=True)
clRunner4.run(cl4)
identifyCLRawOutput4=clRunner4.stdout()
identifyParser4 = IdentifyParser()
quality = identifyParser4.parseFormatQualityOption(identifyCLRawOutput4)
imageStream = ImageStream(filename=filename,
width=width,
height=height,
quality=quality,
densityX=dpiX,
densityY=dpiY)
imageStreams = dict()
imageStreams["0"] = imageStream
streamsMediaObjects = dict(image=imageStreams)
return streamsMediaObjects