18 lines
726 B
Markdown
18 lines
726 B
Markdown
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# mp4decrypt
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> Decrypt an MP4 file.
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> Part of the Bento4 tools.
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> More information: <https://www.bento4.com/documentation/mp4decrypt/>.
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- Decrypt a file using a specific key (key ID in hex, key in hex):
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`mp4decrypt --key {{key_id_hex}}:{{key_hex}} {{path/to/input_file.mp4}} {{path/to/output_file.mp4}}`
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- Decrypt a file using a specific key for a track ID (track ID in decimal, key in hex):
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`mp4decrypt --key {{track_id}}:{{key_hex}} {{path/to/input_file.mp4}} {{path/to/output_file.mp4}}`
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- Decrypt a file using multiple keys while displaying the progress of the decryption:
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`mp4decrypt --key {{key_id_1}}:{{key_1}} --key {{key_id_2}}:{{key_2}} --show-progress {{path/to/input_file.mp4}} {{path/to/output_file.mp4}}`
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