import io
import zlib
-from .compat import compat_str
+from .compat import (
+ compat_str,
+ compat_struct_unpack,
+)
from .utils import (
ExtractorError,
- struct_unpack,
)
file_contents[:1])
# Determine number of bits in framesize rectangle
- framesize_nbits = struct_unpack('!B', content[:1])[0] >> 3
+ framesize_nbits = compat_struct_unpack('!B', content[:1])[0] >> 3
framesize_len = (5 + 4 * framesize_nbits + 7) // 8
pos = framesize_len + 2 + 2
while pos < len(content):
- header16 = struct_unpack('<H', content[pos:pos + 2])[0]
+ header16 = compat_struct_unpack('<H', content[pos:pos + 2])[0]
pos += 2
tag_code = header16 >> 6
tag_len = header16 & 0x3f
if tag_len == 0x3f:
- tag_len = struct_unpack('<I', content[pos:pos + 4])[0]
+ tag_len = compat_struct_unpack('<I', content[pos:pos + 4])[0]
pos += 4
assert pos + tag_len <= len(content), \
('Tag %d ends at %d+%d - that\'s longer than the file (%d)'
for _ in range(5):
buf = reader.read(1)
assert len(buf) == 1
- b = struct_unpack('<B', buf)[0]
+ b = compat_struct_unpack('<B', buf)[0]
res = res | ((b & 0x7f) << shift)
if b & 0x80 == 0:
break
res = _read_int(reader)
assert res & 0xf0000000 == 0
return res
+
+
_u32 = _read_int
bs = reader.read(3)
assert len(bs) == 3
last_byte = b'\xff' if (ord(bs[2:3]) >= 0x80) else b'\x00'
- return struct_unpack('<i', bs + last_byte)[0]
+ return compat_struct_unpack('<i', bs + last_byte)[0]
def _read_string(reader):
def _read_byte(reader):
resb = _read_bytes(1, reader=reader)
- res = struct_unpack('<B', resb)[0]
+ res = compat_struct_unpack('<B', resb)[0]
return res
return 'undefined'
__repr__ = __str__
+
undefined = _Undefined()