def extract_duration(qtmovie):
try:
qttime = qtmovie.duration()
if qttimeutils.qttimescale(qttime) == 0:
return -1
return int((qttimeutils.qttimevalue(qttime) /
float(qttimeutils.qttimescale(qttime))) * 1000)
except Exception:
return -1
def extract_duration(qtmovie):
try:
qttime = qtmovie.duration()
if qttimeutils.qttimescale(qttime) == 0:
return -1
return int((qttimeutils.qttimevalue(qttime) /
float(qttimeutils.qttimescale(qttime))) * 1000)
except Exception:
return -1
def extract_thumbnail(qtmovie, target, width=0, height=0):
try:
qttime = qtmovie.duration()
qttime = qttimeutils.qttimevalue_set(qttime,
int(qttimeutils.qttimevalue(qttime) * 0.5))
frame = qtmovie.frameImageAtTime_(qttime)
if frame is nil:
return False
frame_size = frame.size()
if frame_size.width == 0 or frame_size.height == 0:
return False
if (width == 0) and (height == 0):
width = frame_size.width
height = frame_size.height
srcsize = frame.size()
srcratio = srcsize.width / srcsize.height
destsize = NSSize(width, height)
destratio = destsize.width / destsize.height
if srcratio > destratio:
size = NSSize(destsize.width, destsize.width / srcratio)
pos = NSPoint(0,
(destsize.height - size.height) / 2.0)
else:
size = NSSize(destsize.height * srcratio, destsize.height)
pos = NSPoint((destsize.width - size.width) / 2.0, 0)
dest = NSImage.alloc().initWithSize_(destsize)
try:
dest.lockFocus()
context = NSGraphicsContext.currentContext()
context.setImageInterpolation_(NSImageInterpolationHigh)
NSColor.blackColor().set()
NSRectFill(((0,0), destsize))
frame.drawInRect_fromRect_operation_fraction_((pos, size),
((0,0), srcsize), NSCompositeSourceOver, 1.0)
finally:
dest.unlockFocus()
tiff_data = dest.TIFFRepresentation()
image_rep = NSBitmapImageRep.imageRepWithData_(tiff_data)
properties = {NSImageCompressionFactor: 0.8}
jpeg_data = image_rep.representationUsingType_properties_(
NSJPEGFileType, properties)
if jpeg_data is nil:
return False
jpeg_data.writeToFile_atomically_(target, YES)
except Exception:
return False
return True
def extract_thumbnail(qtmovie, target, width=0, height=0):
try:
qttime = qtmovie.duration()
qttime = qttimeutils.qttimevalue_set(
qttime, int(qttimeutils.qttimevalue(qttime) * 0.5))
frame = qtmovie.frameImageAtTime_(qttime)
if frame is nil:
return False
frame_size = frame.size()
if frame_size.width == 0 or frame_size.height == 0:
return False
if (width == 0) and (height == 0):
width = frame_size.width
height = frame_size.height
srcsize = frame.size()
srcratio = srcsize.width / srcsize.height
destsize = NSSize(width, height)
destratio = destsize.width / destsize.height
if srcratio > destratio:
size = NSSize(destsize.width, destsize.width / srcratio)
pos = NSPoint(0, (destsize.height - size.height) / 2.0)
else:
size = NSSize(destsize.height * srcratio, destsize.height)
pos = NSPoint((destsize.width - size.width) / 2.0, 0)
dest = NSImage.alloc().initWithSize_(destsize)
try:
dest.lockFocus()
context = NSGraphicsContext.currentContext()
context.setImageInterpolation_(NSImageInterpolationHigh)
NSColor.blackColor().set()
NSRectFill(((0, 0), destsize))
frame.drawInRect_fromRect_operation_fraction_(
(pos, size), ((0, 0), srcsize), NSCompositeSourceOver, 1.0)
finally:
dest.unlockFocus()
tiff_data = dest.TIFFRepresentation()
image_rep = NSBitmapImageRep.imageRepWithData_(tiff_data)
properties = {NSImageCompressionFactor: 0.8}
jpeg_data = image_rep.representationUsingType_properties_(
NSJPEGFileType, properties)
if jpeg_data is nil:
return False
jpeg_data.writeToFile_atomically_(target, YES)
except Exception:
return False
return True
