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mkv/webm cleanup #191

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mkv/webm cleanup #191

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86f8f3e
mkv/webm cleanup
CatKasha Oct 13, 2024
e3ccf8e
mkv/webm: use ranges in find method
CatKasha Oct 13, 2024
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18 changes: 12 additions & 6 deletions filetype/types/video.py
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Original file line number Diff line number Diff line change
Expand Up @@ -67,9 +67,12 @@ def __init__(self):
)

def match(self, buf):
contains_ebml_element = buf.startswith(b'\x1A\x45\xDF\xA3')
contains_doctype_element = buf.find(b'\x42\x82\x88matroska') > -1
return contains_ebml_element and contains_doctype_element
if(len(buf) > 5 and
buf[0] == 0x1A and
buf[1] == 0x45 and
buf[2] == 0xDF and
buf[3] == 0xA3):
return buf.find(b"matroska", 5, 64) > -1


class Webm(Type):
Expand All @@ -86,9 +89,12 @@ def __init__(self):
)

def match(self, buf):
contains_ebml_element = buf.startswith(b'\x1A\x45\xDF\xA3')
contains_doctype_element = buf.find(b'\x42\x82\x84webm') > -1
return contains_ebml_element and contains_doctype_element
if(len(buf) > 5 and
buf[0] == 0x1A and
buf[1] == 0x45 and
buf[2] == 0xDF and
buf[3] == 0xA3):
return buf.find(b"webm", 5, 64) > -1


class Mov(IsoBmff):
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