まだちゃんと映すことに成功してないけど、まずは途中経過を報告
Geniatechのブラジル地デジ向けUSBチューナー S870は、Ubuntu 11.11上で標準認識します。
[264337.556054] usb 1-7: new high speed USB device number 6 using ehci_hcd [264338.094256] IR NEC protocol handler initialized [264338.136231] dib0700: loaded with support for 20 different device-types [264338.136545] dvb-usb: found a 'DiBcom STK8096GP reference design' in cold state, will try to load a firmware [264338.137418] IR RC5(x) protocol handler initialized [264338.156529] dvb-usb: downloading firmware from file 'dvb-usb-dib0700-1.20.fw' [264338.163256] IR RC6 protocol handler initialized [264338.174979] IR JVC protocol handler initialized [264338.182736] IR Sony protocol handler initialized [264338.195517] lirc_dev: IR Remote Control driver registered, major 250 [264338.199866] IR LIRC bridge handler initialized [264338.388201] dib0700: firmware started successfully. [264338.892193] dvb-usb: found a 'DiBcom STK8096GP reference design' in warm state. [264338.894738] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer. [264338.894946] DVB: registering new adapter (DiBcom STK8096GP reference design) [264339.144686] DVB: registering adapter 0 frontend 0 (DiBcom 8000 ISDB-T)... [264339.369706] DiB0090: successfully identified [264339.408028] Registered IR keymap rc-dib0700-rc5 [264339.412407] input: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:13.5/usb1/1-7/rc/rc0/input7 [264339.413031] rc0: IR-receiver inside an USB DVB receiver as /devices/pci0000:00/0000:00:13.5/usb1/1-7/rc/rc0 [264339.413227] dvb-usb: schedule remote query interval to 50 msecs. [264339.413236] dvb-usb: DiBcom STK8096GP reference design successfully initialized and connected. [264339.413407] usbcore: registered new interface driver dvb_usb_dib0700
えぇ、このチューナー、「IR Remote Control driver registered」と出ている通り、赤外線リモコン対応です。
# ls -l /dev/dvb/ 合計 0 drwxr-xr-x 2 root root 120 2012-05-17 10:24 adapter0 # ls -l /dev/dvb/adapter0/ 合計 0 crw-rw----+ 1 root video 212, 0 2012-05-17 10:24 demux0 crw-rw----+ 1 root video 212, 1 2012-05-17 10:24 dvr0 crw-rw----+ 1 root video 212, 3 2012-05-17 10:24 frontend0 crw-rw----+ 1 root video 212, 2 2012-05-17 10:24 net0 # lsusb | grep DiB Bus 001 Device 006: ID 10b8:1fa0 DiBcom # lsmod|grep dib rc_dib0700_rc5 12460 0 dvb_usb_dib0700 80531 0 dib7000p 34073 1 dvb_usb_dib0700 dib0090 32688 2 dvb_usb_dib0700 dib7000m 22965 1 dvb_usb_dib0700 dib0070 18150 1 dvb_usb_dib0700 dvb_usb 23788 1 dvb_usb_dib0700 dib8000 42094 2 dvb_usb_dib0700 dvb_core 94826 3 dib7000p,dvb_usb,dib8000 dib3000mc 22920 1 dvb_usb_dib0700 rc_core 25797 10 rc_dib0700_rc5,ir_lirc_codec,ir_sony_decoder,ir_jvc_decoder,ir_rc6_decoder,ir_rc5_decoder,dvb_usb_dib0700,dvb_usb,ir_nec_decoder dibx000_common 18418 5 dvb_usb_dib0700,dib7000p,dib7000m,dib8000,dib3000mc #
ブラジル地デジでの使用例を探してみると、アプリはvlc,xine,me-tvなどが使えるようです。
ただ、いまのところ、チャンネル検出までは成功していますが、実際の表示は成功してません。
まだまだ調査中といったところです。
とりあえず、DVB-Tとして動作するような雰囲気です。