value = value.replace("\n", " ")
# Skip unknown tag
tag = field["tag"].value
if tag == 55:
datestr = value
continue
if tag == 60:
hourstr = value
continue
if tag not in self.IPTC_KEY:
if tag != 0:
self.warning("Skip IPTC key %s: %s" %
(field["tag"].display, makeUnicode(value)))
continue
setattr(self, self.IPTC_KEY[tag], value)
if datestr and hourstr:
try:
year = int(datestr[0:4])
month = int(datestr[4:6])
day = int(datestr[6:8])
hour = int(hourstr[0:2])
min = int(hourstr[2:4])
sec = int(hourstr[4:6])
self.creation_date = datetime(year, month, day, hour, min, sec)
except ValueError:
pass
registerExtractor(JpegFile, JpegMetadata)
# Compute global bit rate
if self.has("duration") and "/movie/size" in headers:
self.bit_rate = float(
headers["/movie/size"].value) * 8 / timedelta2seconds(
self.get('duration'))
# Video has index?
scan_index = (True, kwargs['scan_index'])['scan_index' in kwargs]
if scan_index and "/index" in headers:
self.comment = _("Has audio/video index (%s)") \
% humanFilesize(headers["/index"].size // 8)
@fault_tolerant
def extractAnim(self, riff):
if "anim_rate/rate[0]" in riff:
count = 0
total = 0
for rate in riff.array("anim_rate/rate"):
count += 1
if 100 < count:
break
total += rate.value / 60.0
if count and total:
self.frame_rate = count / total
if not self.has("frame_rate") and "anim_hdr/jiffie_rate" in riff:
self.frame_rate = 60.0 / riff["anim_hdr/jiffie_rate"].value
registerExtractor(RiffFile, RiffMetadata)
continue
value = value.value
if not value:
continue
name = properties.getFieldByAddress(offset0 +
index["name_offset"].value * 8)
if not name:
continue
name = name.value
if name not in self.PROP_TO_KEY:
warning("Skip %s=%r" % (name, value))
continue
key = self.PROP_TO_KEY[name]
setattr(self, key, value)
class SwfMetadata(RootMetadata):
def extract(self, swf):
self.height = swf["rect/ymax"].value # twips
self.width = swf["rect/xmax"].value # twips
self.format_version = "flash version %s" % swf["version"].value
self.frame_rate = swf["frame_rate"].value
self.comment = "Frame count: %s" % swf["frame_count"].value
registerExtractor(TorrentFile, TorrentMetadata)
registerExtractor(TrueTypeFontFile, TTF_Metadata)
# registerExtractor(OLE2_File, OLE2_Metadata)
registerExtractor(PcfFile, PcfMetadata)
registerExtractor(SwfFile, SwfMetadata)
self.producer = desc
if emf["nb_colors"].value:
self.nb_colors = emf["nb_colors"].value
self.bits_per_pixel = 8
else:
self.bits_per_pixel = 24
self.width = emf["width_px"].value
self.height = emf["height_px"].value
class PsdMetadata(RootMetadata):
@fault_tolerant
def extract(self, psd):
self.width = psd["width"].value
self.height = psd["height"].value
self.bits_per_pixel = psd["depth"].value * psd["nb_channels"].value
self.pixel_format = psd["color_mode"].display
self.compression = psd["compression"].display
registerExtractor(IcoFile, IcoMetadata)
registerExtractor(GifFile, GifMetadata)
registerExtractor(XcfFile, XcfMetadata)
registerExtractor(TargaFile, TargaMetadata)
registerExtractor(PcxFile, PcxMetadata)
registerExtractor(BmpFile, BmpMetadata)
registerExtractor(PngFile, PngMetadata)
registerExtractor(TiffFile, TiffMetadata)
registerExtractor(WMF_File, WmfMetadata)
registerExtractor(PsdFile, PsdMetadata)
self.duration = timedelta(seconds=sec)
if "codec" in info:
self.compression = info["codec"].display
class FlacMetadata(RootMetadata):
def extract(self, flac):
if "metadata/stream_info/content" in flac:
self.useStreamInfo(flac["metadata/stream_info/content"])
if "metadata/comment/content" in flac:
readVorbisComment(self, flac["metadata/comment/content"])
@fault_tolerant
def useStreamInfo(self, info):
self.nb_channel = info["nb_channel"].value + 1
self.bits_per_sample = info["bits_per_sample"].value + 1
self.sample_rate = info["sample_hertz"].value
sec = info["total_samples"].value
if sec:
sec = float(sec) / info["sample_hertz"].value
self.duration = timedelta(seconds=sec)
registerExtractor(AuFile, AuMetadata)
registerExtractor(MpegAudioFile, MpegAudioMetadata)
registerExtractor(OggFile, OggMetadata)
registerExtractor(RealMediaFile, RealMediaMetadata)
registerExtractor(RealAudioFile, RealAudioMetadata)
registerExtractor(AiffFile, AiffMetadata)
registerExtractor(FlacParser, FlacMetadata)
text = "%s (CBR)" % text
else:
text = "%s (max)" % text
self.bit_rate = (value, text)
def streamProperty(self, header, index, meta):
key = "bit_rates/content/bit_rate[%u]/avg_bitrate" % index
if key in header:
meta.bit_rate = header[key].value
# TODO: Use codec list
# It doesn't work when the video uses /header/content/bitrate_mutex
# since the codec list are shared between streams but... how is it
# shared?
# key = "codec_list/content/codec[%u]" % index
# if key in header:
# codec = header[key]
# if "name" in codec:
# text = codec["name"].value
# if "desc" in codec and codec["desc"].value:
# meta.compression = "%s (%s)" % (text, codec["desc"].value)
# else:
# meta.compression = text
registerExtractor(AsfFile, AsfMetadata)
registerExtractor(FlvFile, FlvMetadata)
registerExtractor(MkvFile, MkvMetadata)
registerExtractor(MP4File, MP4Metadata)
def usePE_OptHeader(self, hdr):
self.comment = "Subsystem: %s" % hdr["subsystem"].display
def readVersionInfo(self, info):
values = {}
for node in info.array("node"):
if "value" not in node or "name" not in node:
continue
value = node["value"].value.strip(" \0")
if not value:
continue
key = node["name"].value
values[key] = value
if "ProductName" in values and "FileDescription" in values:
# Make sure that FileDescription is set before ProductName
# as title value
self.title = values["FileDescription"]
self.title = values["ProductName"]
del values["FileDescription"]
del values["ProductName"]
for key, value in values.iteritems():
if key in self.KEY_TO_ATTR:
setattr(self, self.KEY_TO_ATTR[key], value)
elif key not in self.SKIP_KEY:
self.comment = "%s=%s" % (key, value)
registerExtractor(ExeFile, ExeMetadata)
else:
title = _("File")
self.addGroup(field.name, meta, title)
class MarMetadata(MultipleMetadata):
def extract(self, mar):
self.comment = "Contains %s files" % mar["nb_file"].value
self.format_version = "Microsoft Archive version %s"\
% mar["version"].value
max_nb = maxNbFile(self)
for index, field in enumerate(mar.array("file")):
if max_nb is not None and max_nb <= index:
self.warning("MAR archive contains many files, "
"but only first %s files are processed" % max_nb)
break
meta = Metadata(self)
meta.filename = field["filename"].value
meta.compression = "None"
meta.file_size = field["filesize"].value
self.addGroup(field.name, meta,
"File \"%s\"" % meta.getText('filename'))
registerExtractor(CabFile, CabMetadata)
registerExtractor(GzipParser, GzipMetadata)
registerExtractor(Bzip2Parser, Bzip2Metadata)
registerExtractor(TarFile, TarMetadata)
registerExtractor(ZipFile, ZipMetadata)
registerExtractor(MarFile, MarMetadata)