Re: Receiving Video from other Computer

[Matt P. <ma...@ls...>]

It may help to modify the config ROM to look like a camera instead of a
PC.

Matt

Franck Bonin wrote:

> I have fix some Pbs with my virtal_VCR, by using the
> last dvgrab
> version 0.7 with a patch that can output files for
> playdv (last
> version). The movie is good (I can finally reconize
> the dog). But playdv crash
> at the end of the movie (segmentation fault), here is
> the error
> output :
>
> ** CRITICAL **: file bitstream.h: line 155
> (bitstream_unget):
> assertion `(num_bits <= 32) && (num_bits >0) &&
> (!(data & (~mask)))'
> failed.
>
> Since xdv0.1 does not correctly decode my isochrone
> flow, I
> will try to build a direct line movie player which
> will use dvgrab's
> --dv algorithms option and the libdv codecs.
>
> Currently, I have a ROM for IEEE 1394 boards. I have a
> small program
> that listen to FCP commands and try to respond like a
> VCR
> does. (Probably soon avaible)
>
> But I do not support yet all commands described in the
> AV/C Tape
> Recorder / Player Subunit Specification.
>
> In fact, I do not now exactly what is meaning of some
> commands.
> And what are the main commands to support.
>
> ---
>
> Franck Bonin
>
> --- Andreas Micklei a écrit : > 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.
> >
> > That is great. Right now I use the Linux 1394
> > subsystem mainly for controlling
> > a digital VCR. A virtual VCR on another Linux host
> > would provide the perfect
> > debugging tool for testing all those optional
> > features that real VCRs do not
> > implement yet.
> >
> > If you have some more specific questions, feel free
> > to ask. You can also send
> > me your source if you like.
> >
> > 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?
> >
> >    bye...
> >          Andreas Micklei
> >
>
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--
/***********************
Matt Pujol
Product Marketing Manager
1394 and USB CoreWare technologies

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mat...@ls...
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