def parse(blob,snr, loader_context):
buf = SeqBuffer(blob)
[type,common_length,v2] = buf.unpack('>3i')
common_blob = buf.readBytes(common_length)
buf2 = SeqBuffer(common_blob)
[v3,v4,v5,v6,cast_id,nElems] = buf2.unpack('>5iH')
offsets = []
for i in range(nElems+1):
[tmp] = buf2.unpack('>i')
offsets.append(tmp)
blob_after_table=buf2.peek_bytes_left()
attrs = []
for i in range(len(offsets)-1):
attr = blob_after_table[offsets[i]:offsets[i+1]]
print "DB| Cast member attr #%d: <%s>" % (i, attr)
attrs.append(attr)
if len(attrs)>=2 and len(attrs[1])>0:
name = SeqBuffer(attrs[1]).unpackString8()
else:
name = None
print "DB| Cast-member common: name=\"%s\" attrs=%s misc=%s" % (
name, attrs, [v2,v3,v4,v5,v6, cast_id])
noncommon = buf.peek_bytes_left()
castdata = CastMember.parse_castdata(type, cast_id, SeqBuffer(noncommon), attrs)
res = CastMember(snr,type, name, attrs, castdata)
return res
def parse(buf, *args):
[type_length] = buf.unpack('>I')
med_type = buf.readBytes(type_length)
[rest_length] = buf.unpack('>I')
info = buf.readBytes(rest_length)
buf = SeqBuffer(info)
if rest_length >= 4 and buf.readTag(
) == b'FLSH' and med_type == 'vectorShape':
[sz2] = buf.unpack('>I')
half_expect(sz2, rest_length, "XmedCastType.sz2")
misc = buf.unpack('>24i')
[npoints] = buf.unpack('>I')
misc2 = buf.unpack('>35i')
[proplen] = buf.unpack('>I')
propname = buf.readBytes(proplen)
points = []
for i in range(npoints):
if i:
[vx] = buf.unpack('>i')
half_expect(vx, -0x80000000, 'XmedCastType.vx')
pdesc = buf.unpack('>6i')
points.append(pdesc)
[proplen] = buf.unpack('>I')
propname = buf.readBytes(proplen)
half_expect(buf.peek_bytes_left(), b'', 'XmedCastType.trailer')
print(
"DB| XmedCastType.parse: misc=%r npoints=%r misc2=%r, points=%r"
% (misc, npoints, misc2, points))
info = (misc, misc2, points)
return XmedCastType(med_type, info, *args)
def parse_dir_config(blob, loader_context):
buf = SeqBuffer(blob, loader_context)
misc1 = buf.unpack('>32h')
misc2 = buf.unpack('>3i')
[palette] = buf.unpack('>i')
misc3 = buf.peek_bytes_left()
config = {'palette': palette, 'misc': [misc1, misc2, bytes(misc3)]}
print("DB| parse_dir_config: %r" % (config, ))
return config
def parse(blob, snr, loader_context):
buf = SeqBuffer(blob)
[type, common_length, v2] = buf.unpack('>3i')
common_blob = buf.readBytes(common_length)
buf2 = SeqBuffer(common_blob)
[v3, v4, v5, v6, cast_id, nElems] = buf2.unpack('>5iH')
offsets = []
for i in range(nElems + 1):
[tmp] = buf2.unpack('>i')
offsets.append(tmp)
blob_after_table = buf2.peek_bytes_left()
attrs = []
for i in range(len(offsets) - 1):
attr = blob_after_table[offsets[i]:offsets[i + 1]]
print("DB| Cast member attr #%d: <%r>" % (i, attr))
attrs.append(attr)
if len(attrs) >= 2 and len(attrs[1]) > 0:
name = SeqBuffer(attrs[1]).unpackString8()
attrs[1] = None
else:
name = None
if len(attrs) >= 18 and len(attrs[17]) == 4:
[ctime] = struct.unpack('>I', attrs[17])
attrs[17] = None
else:
ctime = None
if len(attrs) >= 19 and len(attrs[18]) == 4:
[mtime] = struct.unpack('>I', attrs[18])
attrs[18] = None
else:
mtime = None
print(
"DB| Cast-member common: name=\"%s\" ctime=%s mtime=%s attrs=%s misc=%s"
% (name, ctime and time.ctime(ctime), mtime
and time.ctime(mtime), attrs, [v2, v3, v4, v5, v6, cast_id]))
noncommon = buf.peek_bytes_left()
castdata = CastMember.parse_castdata(type, cast_id,
SeqBuffer(noncommon), attrs)
res = CastMember(snr, type, name, ctime, mtime, attrs, castdata)
return res
def __init__(self, snr, tag, blob):
Media.__init__(self, snr, tag, blob)
if blob.startswith(b'\xff\xd8'):
self.media_type = b"JPEG"
self.hdr = None
elif blob.startswith(b'\0\0\1@'):
self.media_type = "MP3"
buf = SeqBuffer(blob)
[hdr_len] = buf.unpack('>I')
self.hdr = buf.readBytes(hdr_len)
self.music = buf.peek_bytes_left()
else:
self.media_type = repr(blob[:16])
self.hdr = None
def create_section_map(f, loader_context):
while True:
xsectheader = f.read(4)
if len(xsectheader) < 4: break
[stag] = struct.unpack('<4s', xsectheader)
stag = rev(stag)
ssize = read_varint(f)
print("stag=%s ssize=%d" % (stag, ssize))
if ssize==0:
break
else:
sect_data = f.read(ssize)
if stag == "Fcdr" or stag == "FGEI":
sect_data = zlib.decompress(sect_data)
print("ssize decompressed=%d" % (len(sect_data)))
elif stag == "ABMP":
buf = SeqBuffer(sect_data)
sect_data_null = buf.unpackVarint()
sect_data_size = buf.unpackVarint()
sect_data = zlib.decompress(buf.peek_bytes_left())
del buf
print("ssize decompressed=%d=%d" % (sect_data_size, len(sect_data)))
abmp = parse_abmp_section(sect_data, f)
print("DB| ABMP: %s" % abmp)
if stag != "ABMP":
print ("DB| %s -> %s" % (stag, sect_data))
section_base_pos = f.tell()
# entries_by_nr = {}
# for e in abmp:
# entries_by_nr[e.nr] = e
# Fetch the sections:
sections = []
sections_in_ils_by_nr = {}
ils_section_bytes = None
for e in abmp:
snr = e.nr
print("DB| section nr %s: %s" % (snr,e))
if e.offset == -1:
# Compressed, in ILS section.
section = LateSectionImpl(snr,e.tag,e.size)
sections_in_ils_by_nr[snr] = section
elif e.repr_mode==0:
section = ZSectionImpl(snr, e.tag, e.size,
section_base_pos + e.offset, f)
elif e.repr_mode==1:
section = UncompSectionImpl(snr, e.tag, e.size, e.offset, f)
# f.seek(section_base_pos + e.offset)
# raw_sdata = f.read(e.size)
# if e.repr_mode==0:
# sdata = zlib.decompress(raw_sdata)
# elif e.repr_mode==1:
# sdata = raw_sdata
else:
raise "unknown repr_mode: %d" % e.repr_mode
# entries_by_nr[snr] = (e.tag,sdata)
sections.append(section)
if e.tag=="ILS ":
ils_section_bytes = section.bytes()
if sections_in_ils_by_nr:
read_ILS_section_into(ils_section_bytes,
sections_in_ils_by_nr,
sections)
# print "Sections=%s" % (sections.keys())
print("Sections:")
for e in sections:
print(" %d: %s" % (e.nr, e))
# Debug:
# for snr in sections:
# (tag,data) = sections[snr]
# if tag=="Lscr" or tag=="LctX":# or tag=="Lnam":
# print "DB| %d: %s->%s" % (snr, tag, data)
# if tag=="Lnam":
# print "DB| %d: %s->%s" % (snr, tag, LnamSection.parse(data))
return SectionMapImpl(sections)
