[linux-dvb] Garbled video/audio from TwinHan DVB-C card

Manu Abraham abraham.manu at gmail.com
Sun Oct 30 19:06:11 CET 2005

Svein Olav Bjerkeset wrote:

>After installing my new DVB-C card (TwinHan Cab-CI), compiling a custom
>2.6.14 kernel with DVB support, I get only garbled audio/video from the
>driver. I have tested on a FTA channel and I have no problem with this
>channel when using WinXP (on the same machine).
>I have compiled dvb-apps from CVS and channel scanning and tuning works fine.
>An example of the garbled output can be found on the following URL:
>(generated with: dvbstream -o -n 60 -ps -c 0 -qam 64 -v 517 -a 660  >
>The output looks similar when played directly with mplayer or xine, e.g
># mplayer - < /dev/dvb/adapter0/dvr0
># xine http://bjerkeset.com/DVB/twinhan.mpeg
>Output from dmesg:
>Linux video capture interface: v1.00
>bttv: driver version 0.9.16 loaded
>bttv: using 8 buffers with 2080k (520 pages) each for capture
>bttv: Bt8xx card found (0).
>bttv0: Bt878 (rev 17) at 0000:00:06.0, irq: 10, latency: 64, mmio: 0xdddfe000
>bttv0: detected: Twinhan VisionPlus DVB [card=113], PCI subsystem ID is
>bttv0: using: Twinhan DST + clones [card=113,insmod option]
>bttv0: gpio: en=00000000, out=00000000 in=00fb0cfd [init]
>bttv0: using tuner=4
>bttv0: add subdevice "dvb0"
>bt878: AUDIO driver version 0.0.0 loaded
>bt878: Bt878 AUDIO function found (0).
>bt878(0): Bt878 (rev 17) at 00:06.1, irq: 10, latency: 64, memory: 0xdddff000
>DVB: registering new adapter (bttv0).
>dst_get_device_id: Recognise [DCT-CI]
>DST type flags : 0x1 newtuner 0x2 ts204 0x8 firmware version = 1 0x10
>firmware version = 2
>dst_get_mac: MAC Address=[00:08:ca:16:15:00]
>dst_ca_attach: registering DST-CA device
>DVB: registering frontend 0 (DST DVB-C)...
>Does anyone know what can be the cause of a problem like this? I found a
>thread in the mailinglist archive that suggests it should be possible to
>get this card working:
You can check this out whether it helps, for the time being ..



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