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[downloader/f4m] The last value in a tag is the tag length
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parent
3b8f3a1504
commit
2c322cc5d6
@ -187,6 +187,10 @@ def build_fragments_list(boot_info):
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return res
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def write_unsigned_int(stream, val):
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stream.write(struct_pack('!I', val))
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def write_flv_header(stream):
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"""Writes the FLV header to stream"""
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# FLV header
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@ -198,6 +202,8 @@ def write_flv_header(stream):
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def write_metadata_tag(stream, metadata):
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"""Writes optional metadata tag to stream"""
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FLV_TAG_HEADER_LEN = 11
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if metadata:
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# Script data
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stream.write(b'\x12')
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@ -205,9 +211,7 @@ def write_metadata_tag(stream, metadata):
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stream.write(struct_pack('!L', len(metadata))[1:])
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stream.write(b'\x00\x00\x00\x00\x00\x00\x00')
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stream.write(metadata)
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# Magic numbers extracted from the output files produced by AdobeHDS.php
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# (https://github.com/K-S-V/Scripts)
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stream.write(b'\x00\x00\x01\x73')
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write_unsigned_int(stream, FLV_TAG_HEADER_LEN + len(metadata))
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def _add_ns(prop):
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