On Martes, 16 de Agosto de 2011 18:37:49 Josu Lazkano escribió: > Thanks again, I edit /etc/modprobe.d/options.conf > > options dvb_usb_af9015 adapter_nr=4,5 > options dvb-usb disable_rc_polling=1 > options dvb-usb force_pid_filter_usage=1 > > I change the signal timeout and tuning timeout and now it works perfect! > > I can watch two HD channels, thanks for your help. > > I really don't understand what force_pid_filter_usage do on the > module, is there any documentation? > > Thanks and best regards. > For usb devices with usb 2.0 when tunned to a channel there is enought usb bandwith to deliver the whole transponder. With pid filters they only deliver the pids needed for the channel. The only limit is that the pid filters is limited normaly to 32 pids. Jose Alberto > 2011/8/16 Jose Alberto Reguero <jareguero@xxxxxxxxxxxxxx>: > > 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-af9 > >> >> 015 .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
