Reimar D?ffinger wrote: > Hello, > On Wed, Jan 10, 2007 at 03:55:48PM +0100, Reimar Doeffinger wrote: >> On Wed, Jan 10, 2007 at 01:45:55PM +0100, Baptiste Coudurier wrote: >>> Reimar D?ffinger wrote: >>>> attached patch would at least allow dumping of encrypted streams with >>>> MPlayer's -dumpvideo/-dumpaudio. >>>> This is not too useful and a bit hackish (since there is no indication >>>> whether we have an encrypted stream or not), but on the other hand it >>>> still seems like an improvement over the current treatment (mxf_read_header >>>> parses the file until EOF). > > [...] >>> I would prefer to use mxf_encrypted_triplet_key like in specs, and it is >>> a complete key (16 bytes) according to specs. >> I'll search if the file contains any such key, but at least the dumped >> track does not contain any of the keys in that spec, I searched for >> them. If there is a mxf_encrypted_triplet_key somewhere I'll try to use >> that though. > > I can confirm that my sample file does not contain the bytes > 06 0e 2b 34 02 04 01 01 Search for 06 0e 2b 34 02 04 01 07 Last byte is registry version, and is now 7, like your patch search for also. > anywhere, thus no encrypted triplet. > Conversely, I could not find the byte sequence my patch looks for in any > of the specifications I currently have. > If you know of one that specifies this, please tell me. SMPTE 429-6 covers D-Cinema encryption in mxf. I hope your file does not use another standard. -- Baptiste COUDURIER GnuPG Key Id: 0x5C1ABAAA SMARTJOG S.A. http://www.smartjog.com Key fingerprint 8D77134D20CC9220201FC5DB0AC9325C5C1ABAAA Phone: +33 1 49966312
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