def extract(self, icon):
for index, header in enumerate(icon.array("icon_header")):
image = Metadata(self)
# Read size and colors from header
image.width = header["width"].value
image.height = header["height"].value
bpp = header["bpp"].value
nb_colors = header["nb_color"].value
if nb_colors != 0:
image.nb_colors = nb_colors
if bpp == 0 and nb_colors in self.color_to_bpp:
bpp = self.color_to_bpp[nb_colors]
elif bpp == 0:
bpp = 8
image.bits_per_pixel = bpp
image.setHeader(_("Icon #%u (%sx%s)") % (1 + index, image.get("width", "?"), image.get("height", "?")))
# Read compression from data (if available)
key = "icon_data[%u]/header/codec" % index
if key in icon:
image.compression = icon[key].display
key = "icon_data[%u]/pixels" % index
if key in icon:
computeComprRate(image, icon[key].size)
# Store new image
self.addGroup("image[%u]" % index, image)
def extract(self, icon):
for index, header in enumerate(icon.array("icon_header")):
image = Metadata(self)
# Read size and colors from header
image.width = header["width"].value
image.height = header["height"].value
bpp = header["bpp"].value
nb_colors = header["nb_color"].value
if nb_colors != 0:
image.nb_colors = nb_colors
if bpp == 0 and nb_colors in self.color_to_bpp:
bpp = self.color_to_bpp[nb_colors]
elif bpp == 0:
bpp = 8
image.bits_per_pixel = bpp
image.setHeader(_("Icon #%u (%sx%s)")
% (1+index, image.get("width", "?"), image.get("height", "?")))
# Read compression from data (if available)
key = "icon_data[%u]/header/codec" % index
if key in icon:
image.compression = icon[key].display
key = "icon_data[%u]/pixels" % index
if key in icon:
computeComprRate(image, icon[key].size)
# Store new image
self.addGroup("image[%u]" % index, image)
def processVideo(self, track):
video = Metadata(self)
self.trackCommon(track, video)
try:
video.compression = track["CodecID/string"].value
if "Video" in track:
video.width = track["Video/PixelWidth/unsigned"].value
video.height = track["Video/PixelHeight/unsigned"].value
except MissingField:
pass
self.addGroup("video[]", video, "Video stream")
