[mythtv-users] DVB not supported in kernel - but it is!?

[Chad]

On 7/19/05, Andrew Hall <temp02 at bluereef.com.au> wrote:
>  
> I need help. I'm missing something fundamentally simple here and I'm hoping
> someone can tell me what I'm doing wrong. 
>   
> I'm trying to setup Myth 0.18.1 with an Avermedia 771 card under Gentoo.
> Everything seems to be installed correctly and as far as the kernel
> (2.6.12.3) is concerned, everything seems to be found correctly for DVB
> support: 
>   
> Linux video capture interface: v1.00
> bttv: driver version 0.9.15 loaded
> bttv: using 8 buffers with 2080k (520 pages) each for capture
> bttv: Bt8xx card found (0).
> ACPI: PCI Interrupt 0000:00:0b.0[A] -> Link [LNKD] -> GSI 11 (level, low) ->
> IRQ 11
> bttv0: Bt878 (rev 17) at 0000:00:0b.0, irq: 11, latency: 32, mmio:
> 0xe7002000
> bttv0: detected: AVermedia AverTV DVB-T 771 [card=123], PCI subsystem ID is
> 1461:0771
> bttv0: using: AVerMedia AVerTV DVB-T 771 [card=123,autodetected]
> bttv0: gpio: en=00000000, out=00000000 in=0090000f [init]
> bttv0: using tuner=4
> bttv0: registered device video0
> bttv0: registered device vbi0
> bttv0: PLL: 28636363 => 35468950 .. ok
> bttv0: add subdevice "remote0"
> bttv0: add subdevice "dvb0"
> tvaudio: TV audio decoder + audio/video mux driver
> tvaudio: known chips:
> tda9840,tda9873h,tda9874h/a,tda9850,tda9855,tea6300,tea6320,tea6420,tda8425,pic16c54
> (PV951),ta8874z
> ir-kbd-gpio: bttv IR (card=123) detected at pci-0000:00:0b.0/ir0
> cx2388x v4l2 driver version 0.0.4 loaded
> cx2388x blackbird driver version 0.0.4 loaded
> cx2388x dvb driver version 0.0.4 loaded
> bt878: AUDIO driver version 0.0.0 loaded
> bt878: Bt878 AUDIO function found (0).
> ACPI: PCI Interrupt 0000:00:0b.1[A] -> Link [LNKD] -> GSI 11 (level, low) ->
> IRQ 11
> bt878(0): Bt878 (rev 17) at 00:0b.1, irq: 11, latency: 32, memory:
> 0xe7000000
> DVB: registering new adapter (bttv0).
> DVB: registering frontend 0 (Zarlink MT352 DVB-T)...
>  
> Everything that I need is compiled into the kernel, there are no modules to
> load. 
>   
> Gentoo uses udev which doesn't seem to create the requisite /dev/dvb/adaptor
> directories, so I manually created them with the DVB makenod script, and the
> following have been created: 
>   
> localhost ~ # ls -la /dev/dvb/adapter0/
> total 0
> drwxr-xr-x  2 root root     200 Jul 19 21:44 .
> drwxr-xr-x  6 root root     120 Jul 19 21:44 ..
> crw-rw----  1 root video 212, 1 Jul 19 21:44 audio0
> crw-rw----  1 root video 212, 6 Jul 19 21:44 ca0
> crw-rw----  1 root video 212, 4 Jul 19 21:44 demux0
> crw-rw----  1 root video 212, 5 Jul 19 21:44 dvr0
> crw-rw----  1 root video 212, 3 Jul 19 21:44 frontend0
> crw-rw----  1 root video 212, 7 Jul 19 21:44 net0
> crw-rw----  1 root video 212, 8 Jul 19 21:44 osd0
> crw-rw----  1 root video 212, 0 Jul 19 21:44 video0
>  
> My problem, is that within 'mythtv-setup', the card setup doesn't find any
> DVB cards and I get a 'recompile with DVB support' error in the page. V4L
> seems to find the composite and S-video inputs fine, but the DVB support
> fails to find the Avermedia card. I'm assuming (maybe wrongly), that Myth
> should just find the DVB card as device 0 and then I should be able to scan
> for channels? 
>   
> Any help would be most appreciated. 
>   
> Thanks, 
>   
> Andrew. 
>   
> _______________________________________________

Maybe not a lot of help...

When I emerge MythTV, it looks in the /usr/include directory. 
However, if you are using dvb support from the kernel, then the
includes are in (assuming you compile in /usr/src)
/usr/src/linux/include

I had to manually edit the ebuild to show that location instead of the
default /usr/include.  Also, you will have to recompile (re-emerge)
mythtv with USE="dvb" as one of your USE flags (either at the command
line or in make.conf).