[MPlayer-users] DV1394 stream

[Nico Sabbi]

Nate Solberg wrote:

>
> On Aug 24, 2004, at 12:33 PM, Nico Sabbi wrote:
>
>> Nate Solberg wrote:
>>
>>> Hello all.
>>>
>>> I've gotten a Motorola DCT-6200 digital cable HDTV box with a 
>>> firewire output. I've been told that this is a pure MPEG-2 stream 
>>> and should be able to be displayed/encoded by any MPEG-2 decoder. 
>>> I've setup the DV1394 kernel module and everything seems kosher, but 
>>> I need something to play back the stream. I was wondering if MPlayer 
>>> can do that, and if so how. I've seen that there is some trouble 
>>> with digital camcorders, but this should be a little simpler since 
>>> there's no controls, just a pure MPEG-2 stream.
>>>
>>
>> what device is exposed by dv1394?
>> can it be simply cat or does it need ioctl()s?
>> in the former case, assuming the output is simply MPEG-TS,
>> mplayer - < /dev/1394device_name should go, in the latter case
>>
>> you need for a stream driver.
>>
>> I'm curious, where can I find docs regarding MPEG-TS over 1394 and 
>> about dv1394 in linux?
>
>
> I tried to CAT the /dev/dv1394 device, and nothing showed up at all. 
> I'm still looking into it, but it seems that the box does need to be 
> configured like a DVHS recorder or something of the sort. I'm guessing 
> the cable box needs a init string to begin transmitting. In Windows 
> (yeah yeah I know) the device can be recognized as a Panasonic DVHS 
> recorder. I had been using a stock Fedora Core 1 install, but got the 
> idea that DV1394 was a little more mature in the 2.6 tree, so I'm 
> trying to get 2.6.8 working right with the crap that Redhat ships.
>
> To be totally honest, I need to put a little more time into this 
> project. I've been out of the hacking job for a while now and I'm 
> pretty rusty. I was kinda hoping it would be like the Mac and just 
> plug and work.


if dvhs recorders use AVC command set then maybe you can save the stream 
with Kino and then read it with mplayer.
I never tried it