def extract_duration(qtmovie):
try:
qttime = qtmovie.duration()
if utils.qttimescale(qttime) == 0:
return -1
return int((utils.qttimevalue(qttime) / float(utils.qttimescale(qttime))) * 1000)
except Exception, e:
return -1
def extract_duration(qtmovie):
try:
qttime = qtmovie.duration()
if utils.qttimescale(qttime) == 0:
return -1
return int((utils.qttimevalue(qttime) / float(utils.qttimescale(qttime))) * 1000)
except Exception:
return -1
def can_open_file(self, qtmovie):
threads.warn_if_not_on_main_thread('quicktime.Player.can_open_file')
can_open = False
duration = utils.qttimevalue(qtmovie.duration())
if qtmovie is not None and duration > 0:
allTracks = qtmovie.tracks()
if len(qtmovie.tracks()) > 0:
# Make sure we have at least one track with a non zero length
allMedia = [track.media() for track in allTracks]
for media in allMedia:
mediaType = media.attributeForKey_(QTMediaTypeAttribute)
mediaDuration = utils.qttimevalue(media.attributeForKey_(QTMediaDurationAttribute).QTTimeValue())
if mediaType in self.supported_media_types and mediaDuration > 0:
can_open = True
break
return can_open
def extract_thumbnail(qtmovie, target, width=0, height=0):
try:
qttime = qtmovie.duration()
qttime = utils.qttimevalue_set(qttime, int(utils.qttimevalue(qttime) * 0.5))
frame = qtmovie.frameImageAtTime_(qttime)
if frame is objc.nil:
return "Failure"
frame_size = frame.size()
if frame_size.width == 0 or frame_size.height == 0:
return "Failure"
if (width == 0) and (height == 0):
width = frame_size.width
height = frame_size.height
source_size = frame.size()
source_ratio = source_size.width / source_size.height
destination_size = Foundation.NSSize(width, height)
destination_ratio = destination_size.width / destination_size.height
if source_ratio > destination_ratio:
size = Foundation.NSSize(destination_size.width, destination_size.width / source_ratio)
pos = Foundation.NSPoint(0, (destination_size.height - size.height) / 2.0)
else:
size = Foundation.NSSize(destination_size.height * source_ratio, destination_size.height)
pos = Foundation.NSPoint((destination_size.width - size.width) / 2.0, 0)
destination = AppKit.NSImage.alloc().initWithSize_(destination_size)
try:
destination.lockFocus()
AppKit.NSGraphicsContext.currentContext().setImageInterpolation_(AppKit.NSImageInterpolationHigh)
AppKit.NSColor.blackColor().set()
AppKit.NSRectFill(((0, 0), destination_size))
frame.drawInRect_fromRect_operation_fraction_(
(pos, size), ((0, 0), source_size), AppKit.NSCompositeSourceOver, 1.0
)
finally:
destination.unlockFocus()
tiff_data = destination.TIFFRepresentation()
image_rep = AppKit.NSBitmapImageRep.imageRepWithData_(tiff_data)
properties = {AppKit.NSImageCompressionFactor: 0.8}
jpeg_data = image_rep.representationUsingType_properties_(AppKit.NSJPEGFileType, properties)
if jpeg_data is objc.nil:
return "Failure"
jpeg_data.writeToFile_atomically_(target, objc.YES)
except Exception:
return "Failure"
return "Success"
def extract_thumbnail(qtmovie, target, width=0, height=0):
try:
qttime = qtmovie.duration()
qttime = utils.qttimevalue_set(qttime, int(utils.qttimevalue(qttime) * 0.5))
frame = qtmovie.frameImageAtTime_(qttime)
if frame is objc.nil:
return "Failure"
frame_size = frame.size()
if frame_size.width == 0 or frame_size.height == 0:
return "Failure"
if (width == 0) and (height == 0):
width = frame_size.width
height = frame_size.height
source_size = frame.size()
source_ratio = source_size.width / source_size.height
destination_size = Foundation.NSSize(width, height)
destination_ratio = destination_size.width / destination_size.height
if source_ratio > destination_ratio:
size = Foundation.NSSize(destination_size.width, destination_size.width / source_ratio)
pos = Foundation.NSPoint(0, (destination_size.height - size.height) / 2.0)
else:
size = Foundation.NSSize(destination_size.height * source_ratio, destination_size.height)
pos = Foundation.NSPoint((destination_size.width - size.width) / 2.0, 0)
destination = AppKit.NSImage.alloc().initWithSize_(destination_size)
try:
destination.lockFocus()
AppKit.NSGraphicsContext.currentContext().setImageInterpolation_(AppKit.NSImageInterpolationHigh)
AppKit.NSColor.blackColor().set()
AppKit.NSRectFill(((0,0), destination_size))
frame.drawInRect_fromRect_operation_fraction_((pos, size), ((0,0), source_size), AppKit.NSCompositeSourceOver, 1.0)
finally:
destination.unlockFocus()
tiff_data = destination.TIFFRepresentation()
image_rep = AppKit.NSBitmapImageRep.imageRepWithData_(tiff_data)
properties = {AppKit.NSImageCompressionFactor: 0.8}
jpeg_data = image_rep.representationUsingType_properties_(AppKit.NSJPEGFileType, properties)
if jpeg_data is objc.nil:
return "Failure"
jpeg_data.writeToFile_atomically_(target, objc.YES)
except Exception:
return "Failure"
return "Success"
