Re: Receiving Video from other Computer
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From: Andreas B. <and...@mu...> - 2000-05-12 23:36:11
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On Thu, May 11, 2000 at 04:34:48PM +0200, lin...@li... wrote: > Hi, > > On Thu, May 11, 2000 at 04:11:07PM +0200, Franck Bonin wrote: > > So I have tryed to transform my PC-linux in an > > TapeRecorderPlayer and > > today I have succeded, by re-writing the ohci_csr_rom > > located in the ohci1394.h file. [...] > I would also like to see this thing run on an unmodofied Linux kernel. We > would need an interface for changing the CSR ROM at run time, oder maybe the > driver module should read the CSR rom from a file. The filename could be > specified at module loading time as an optional parameter. What do the driver > maintainers think of this idea? Reading from a file is not a good idea (reading a config file from kernel is not good and requires the kernel to know the file path). Dynamically creating the CSR ROM is a good idea however. We'd need some functions to create the ROM from an arbitrary number of info blocks. The header and bus info block is simple, the following root directory should be created on the fly from block info. The 1394 standard I have here doesn't give really detailed information on that, instead it references ISO/IEC 13213: 1994. Anyone wants to write support for that? Shouldn't be too hard if you know the exact implementation of CSR ROMs. -- Andreas E. Bombe <and...@mu...> DSA key 0x04880A44 http://home.pages.de/~andreas.bombe/ http://linux1394.sourceforge.net/ |