> -----Original Message----- > From: Kovacs Balazs [mailto:b...@bitklub.hu] > Sent: jeudi 26 janvier 2012 14:45 > To: Sébastien RAILLARD (COEXSI) > Cc: 'Ralph Metzler'; linux-media@vger.kernel.org > Subject: Re: CI/CAM support for offline (from file) decoding > > > > > >> -----Original Message----- > >> From: linux-media-ow...@vger.kernel.org [mailto:linux-media- > >> ow...@vger.kernel.org] On Behalf Of Ralph Metzler > >> Sent: jeudi 26 janvier 2012 13:21 > >> To: linux-media@vger.kernel.org > >> Subject: Re: CI/CAM support for offline (from file) decoding > >> > >> Kovacs Balazs writes: > >> > Yes, i thought about that, but i need the Hardware CAM + CI, > >> because > it's chip paired encryption. It means in my situation that > >> the EMM and > ECM is also encrypted so it's hard to use in a SoftCam > >> configuration. > >> > > >> > I hope there's a solution in the DVB driver space. > >> > > >> > I receive the signal via RF or IP. If via RF i think it can be > >> decoded > via the HW, and the record it to disk, but i need > >> the full TS > decrypted, and i think it's not possible (to decrypt > >> all the encrypted > ES which can be 20-30-40 in real time when i > >> receive the signal). In > IP configuration it's also not possible. > >> So i have the recorded full > TS pieces and somehow i have to > >> decrypt with a > >> CAM+Card paired to each > other. Of course i know that the > >> decryption is only possible if the > Smartcard has the > >> authorization in those date ranges when the files > was recorded. I > >> have seen this kind of solution in Windows, but i need > it on Linux > now. > >> > >> Yes, you can do that, but only if the hardware supports it. Most > >> cards with CAM/CI are hardwired in such a way that the transport > >> stream comes from the demodulator, goes through the CAM/CI and then > >> into the PCIe/PCI bridge. There are only a few cards where you can > >> send a TS from memory to the CAM/CI and back. > >> > >> -Ralph > >> > >> > > > The "Octopus CI" from "Digital Devices" is the only one I know where > > you can input the TS stream directly to the CAM: > > http://shop.digital-devices.de/epages/62357162.sf/en_GB/?ViewObjectID= > > 370117 > > 11 > > Is this the only solution? I need s2 tuner and IP input (from the > motherboard's Ethernet) and record them to file splices. Then (for > request) i have to decrypt one or more ES from the recorded file and > push them back. It's a DVB monitoring solution. >
If you need to decrypt stream using an official CAM, I don't think you'll have too much choice. By the way, this "Octopus CI" card has 2 connectors where you can connect two double DVB-S2 tuners. Tuners and CAM work independently. If you don't need an official CAM, maybe you can look to the OSCAM project... > thanks > Balazs -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
