After I found some details on the .tivo file format, and cooked up some code to produce the same output. So far, there isn’t a lot of detail. It’s mostly just strange stuff. mpegcat finds the MPEG2 stream right where it should be, but supposedly the non-I-frames appear to be encoded.
All the files I’ve downloaded from my TiVo have the same “fingerprint” listed in the XML header, and a different “salt”. The interface for downloading recordings is very simple. Connect to https://[tivo IP]/ and it’ll prompt you for your username and password, which is “tivo” and your “Media Access Key”. After that, you’re all set; browse away. Download speed is rather slow: 500kB/s. Better than 2400 baud. :)
© 2005, Kees Cook. This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License.
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