"Carlo E. Prelz" wrote: > > Subject: [linux-dvb] Full featured cards > Date: Thu, Feb 05, 2004 at 11:24:10PM -0000 > > Quoting Adrian P Challinor ([EMAIL PROTECTED]): > > > Does anyone know where you can get the full featured cards that are needed > > by VDR? My understanding is that I need at least one card that support > > DVB-IN, DVB/TV-OUT and has an MPEG decoder on board. These seem to be in > > very short supply on the open market, so if you know of a card that is > > available I would be very glad to hear from you. > > It appears vdr was targeted to the Hauppauge Nexus-s (that is, the old > Technotrend full-featured) card. Here in Holland it can be easily > found, albeit at a shamefully high price (I found it at a shop of the > Mycom chain: www.mycom.nl). I understand that this was the first card > that was available to developers. > > VDR makes use of the V4L-compatible video out that was developed for > the Nexus, as well as of the OSD and CAM interface code. I understand > that VDR was developed in parallel with the dvb driver. > > With a Nexus, VDR works perfectly. The unpleasant fact that I am > finding out is that the Nexus is old technology: it includes the > saa7111 DSP, that does not allow you to extract the complete > multiplexed stream - only specific PIDs, and I am experiencing, with > the same level of signal, a much higher error rate in the extracted > MPEG stream, if compared with the Hauppauge Nova (budget) card. > > > Otherwise, any reason why I cant use a hi-end AGP card with a TV/DVI-out > > capability? > > In order to generate a video output, VDR needs the capability > (provided by the driver) of onboard MPEG conversion, and of on-screen > display. I *think* you can use VDR with a budget card for recording, > but you cannot see the set-top-box-like output. Porting it to using > software MPEG decoding is, I believe, not trivial.
There is already work going on on implementing a "softdevice" plugin for VDR, which does the MPEG decoding in software and uses your graphics card for display. See http://www.k13zoo.de/vdr. Klaus -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe linux-dvb" as subject.