On Martes, 16 de Agosto de 2011 00:22:05 Josu Lazkano escribió: > 2011/8/16 Jose Alberto Reguero <jareguero@xxxxxxxxxxxxxx>: > > I have problems with a dual usb tuner. I limit the bandwith using pid > > filters and the problem was gone. > > > > Jose alberto > > > > On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió: > >> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T > >> 399U): > >> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DV > >> B- T_399U) > >> > >> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual > >> device, sometimes the second adapter works great, but sometimes has a > >> pixeled images. The first adapter always has pixeled images, I don't > >> know how to describe the pixeled images, so here is a mobile record: > >> http://dl.dropbox.com/u/1541853/kworld.3gp > >> > >> I have this firmware: > >> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015 > >> .fw > >> > >> I read on the linuxtv wiki and there are some problems with dual mode, > >> there is some links for how to patch the similar driver (Afatech/ITE > >> IT9135), but I am not good enough to understand the code. > >> > >> I check the kernel messages: > >> > >> Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed > >> reg:d2e6 Aug 15 13:54:29 htpc kernel: [ 547.407504] af9013: I2C read > >> failed reg:d330 Aug 15 13:54:44 htpc kernel: [ 561.902710] af9013: I2C > >> read failed reg:d2e6 > >> > >> It looks I2C problem, but I don't know how to debug it deeper. > >> > >> I don't know if this is important, but I compile the s2-liplianin for > >> other devices this way: > >> > >> apt-get install linux-headers-`uname -r` build-essential > >> mkdir /usr/local/src/dvb > >> cd /usr/local/src/dvb > >> wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip > >> unzip s2-liplianin-0b7d3cc65161.zip > >> cd s2-liplianin-0b7d3cc65161 > >> make CONFIG_DVB_FIREDTV:=n > >> make install > >> > >> Can you help with this? This hardware is a very cheap and works well > >> for HD channels but, I don't know why sometimes has pixeled images. > >> > >> Thanks for your help, best regards. > > Thanks Jose Alberto, I search on google for pid filters but I don't > find any interesting info. > > How can I limit bandwidth on dvb? > > Thanks for your help, I have two dual devices waiting for this fix on my > HTPC. > > Best regards. If the driver has pid filters you can enable it with the parameter force_pid_filter_usage=1 of dvb-usb. Jose Alberto -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
