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49 lines
1.7 KiB
XML
49 lines
1.7 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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This XML file describes the encryption applied to |gizmo-frag-cenc*|. To
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generate the gizmo-frag-cenc files, run the following commands:
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Encrypt gizmo.mp4 with the keys specified in this file, and output to |gizmo-cenc.mp4|
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MP4Box -crypt gizmo-frag-cenc.xml -out gizmo-cenc.mp4 gizmo.mp4
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Fragment |gizmo-cenc.mp4| into 1000ms segments:
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MP4Box -dash 1000 -rap -segment-name gizmo-frag-cenc -subsegs-per-sidx 5 -rem 2 gizmo-cenc.mp4
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The above command will generate a set of fragments in |gizmo-frag-cenc*.m4s|
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and a single |gizmo-frag-cencinit.mp4| containing just the init segment.
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To cut down the duration, we throw out all but the first two segments:
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rm gizmo-frag-cenc[^12].m4s
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-->
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<GPACDRM type="CENC AES-CTR">
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<DRMInfo type="pssh" version="1">
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<!--
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SystemID specified in
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https://dvcs.w3.org/hg/html-media/raw-file/tip/encrypted-media/cenc-format.html
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-->
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<BS ID128="1077efecc0b24d02ace33c1e52e2fb4b" />
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<!-- Number of KeyIDs = 2 -->
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<BS bits="32" value="2" />
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<!-- KeyID -->
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<BS ID128="0x7e571d037e571d037e571d037e571d03" />
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<BS ID128="0x7e571d047e571d047e571d047e571d04" />
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</DRMInfo>
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<CrypTrack trackID="1" isEncrypted="1" IV_size="16" saiSavedBox="senc"
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first_IV="0x00000000000000000000000000000000">
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<key KID="0x7e571d037e571d037e571d037e571d03"
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value="0x7e5733337e5733337e5733337e573333" />
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</CrypTrack>
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<CrypTrack trackID="2" isEncrypted="1" IV_size="16" saiSavedBox="senc"
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first_IV="0x00000000000000000000000000000000">
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<key KID="0x7e571d047e571d047e571d047e571d04"
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value="0x7e5744447e5744447e5744447e574444" />
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</CrypTrack>
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</GPACDRM>
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