def parse_swf_head(self):
"swf_header"
self.magic = self.swf_read(3)
self.version = ord(self.swf_read(1))
self.file_length = le4byte(self.swf_read(4))
"swf_header_movie"
# twips 関連のヘッダは、今は飛ばす
rectbits = ord(self.swf_read(1)) >> 3
total_bytes = int(ceil((5 + rectbits * 4) / 8.0))
twips_waste = self.swf_read(total_bytes - 1)
# frame 関連
self.frame_rate_decimal = ord(self.swf_read(1))
self.frame_rate_integer = ord(self.swf_read(1))
self.frame_count = le2byte(self.swf_read(2))
if DEBUG:
print "magic: %s\nver: %d\nlen: %d\nframe_rate: %d.%d\ncount: %d\n" % ( \
self.magic,
self.version,
self.file_length,
self.frame_rate_integer,
self.frame_rate_decimal,
self.frame_count)
def parse_swfhead(self):
"Parse File Header."
self.magic = self.read(3)
self.version = ord(self.read(1))
self.file_length = le4byte(self.read(4))
# RECT ヘッダ（これは 8 byte 目で固定）
self.rect = RECT()
self.rect.parse(self)
# frame 関連
self.frame_rate = get_fixed_point_number(self.read(2))
self.frame_count = le2byte(self.read(2))
# File Header（head）とその後の部分（tail）を分離する
self.swf_head = self.value[:self.pos]
self.swf_tail = self.value[self.pos:]
if DEBUG:
print " Swf Header ".center(60,'-')
print "magic: %s\nver: %d\nlen: %d\nframe_rate: %f\ncount: %d" % ( \
self.magic,
self.version,
self.file_length,
self.frame_rate,
self.frame_count)
print " Swf Blocks ".center(60, '-')
def parse_swfblock(self):
# print "--swf_pos:", self.swf_pos
swf_block_start = self.swf_pos
swf_tag = le2byte(self.swf_read(2))
block_len = swf_tag & 0x3f
if block_len == 0x3f:
block_len = le4byte(self.swf_read(4))
swf_tag = swf_tag >> 6
if swf_tag == 0:
return None
try:
swf_tag_name = swf_tag_name_entry[swf_tag]
except KeyError:
swf_tag_name = "Unknown"
self.block_pos = 0
ret = {}
ret['block_start'] = swf_block_start
ret['tag'] = swf_tag
ret['block_len'] = block_len
ret['tag_name'] = swf_tag_name
ret['value'] = self.parse_swfblock_misc(swf_tag, block_len)
self.block = ret
return True
def parse(self):
self.character_id = le2byte(self.read(2))
self.AlphaDataOffset = le4byte(self.read(4))
