ブラジル地デジ向けUSBチューナー S870をLinuxにさしてみた(まだ見えてないけど


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。

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