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Ubuntu Server 20.04 LTS 最小安装 kodi 且关联宝视来投影仪

linux huahua 254℃

0x00 前言:

本文大部分内容借鉴自 https://blog.d2okkk.net/202101/kodi-setup/ 纠正其中几点小问题,添加一些新功能
最近因为网上找到的片源大部分都是 4k或h265的,之前一直在玩客云上跑的alexelec 只能播放1080
,所以遇到前面 2 种片子只能在 nas上用 ffmpeg 进行转码,这样就得写脚本去判断一个个来转。

后来用用了一段时间 jellyfin,流媒体奈何 J1800 的 nas 扛不住,cpu 动不动就 100%,整个平台卡死。后来直接就换平台了,直接搞 HTPC。h110 平台 i5 6500 cpu 解码那叫一个流畅。这台机器双系统,windows 游戏用。linux 就跑的最精简的 ubuntu server 装的最精简的 kodi。下面是具体的记录过程。当然我试过了 ubuntu 22.04 但是因为内核版本的原因,我的遥控器驱动没法编译,然后就退回到了 20.04。如果不用下面品牌的遥控器,22.04 操作步骤基本一样,可用。

0x00 安装过程

先对硬盘分区,先装 windows 再装 linux 这样最方便,grub 最后会自动 update 好,不用调试 2 遍。linux 安装时不要用 LVM,无他后续有问题好处理。懒。安装完以后,删除以下软件

  • cloud-init 这是云相关用不上
echo 'datasource_list: [ None ]' | sudo -s tee /etc/cloud/cloud.cfg.d/90_dpkg.cfg

sudo apt-get purge cloud-init

sudo rm -rf /etc/cloud/; sudo rm -rf /var/lib/cloud/
  • open-iscsi 远程scsi硬盘用不上
sudo apt remove open-iscsi
  • snap 软件更用不上
sudo apt purge snapd

更新所有软件,安装驱动、x框架等kodi的依赖

sudo apt-get update

sudo apt-get install ssh software-properties-common xorg xserver-xorg-legacy \
alsa-utils mesa-utils git-core librtmp1 libmad0 lm-sensors libmpeg2-4 \
avahi-daemon avahi-discover libnss-mdns libnfs13 libva2 vainfo i965-va-driver linux-firmware dbus-x11 \
udisks2 pastebinit udisks2 xserver-xorg-video-intel 

sudo systemctl enable --now avahi-daemon.service
# upnp dlna 投屏用的
sudo apt-get upgrade

配置允许”everyone” 启动Xserver

sudo dpkg-reconfigure xserver-xorg-legacy

新建kodi用户,并添加响应权限

sudo adduser kodi
sudo usermod -a -G cdrom,audio,video,plugdev,users,dialout,dip,input kodi

vim /etc/X11/Xwrapper.config
# 添加下面这行,否则x无法随 kodi 启动,原作者没写
needs_root_rights=yes

我 kodi 能够需要关机

编辑/etc/polkit-1/localauthority/50-local.d/custom-actions.pkla,添加以下内容使kodi可以重启和关机。

[Actions for kodi user]
Identity=unix-user:kodi
Action=org.freedesktop.login1.*;org.freedesktop.udisks2.*
ResultAny=yes
ResultInactive=yes
ResultActive=yes

[Untrusted Upgrade]
Identity=unix-user:kodi
Action=org.debian.apt.upgrade-packages;org.debian.apt.update-cache
ResultAny=yes
ResultInactive=yes
ResultActive=yes

添加kodi为服务,实现开机启动,这里直接是用kodi-standalone模式,这样只需要有X11就行了,可以省掉gnome、xface或者openbox之类的桌面环境。编辑/etc/systemd/system/kodi.service
参考的链接的systemd,会有bug,kodi 的 upnp,作为客户端会不能发现。需要开机后在restart kodi才能解决。故此解决的方法用下面这个system的 kodi.service`
地址在 https://raw.githubusercontent.com/graysky2/kodi-standalone-service/master/x86/init/kodi-x11.service

项目地址 https://github.com/graysky2/kodi-standalone-service

[Unit]
Description=Kodi standalone (X11)
After=remote-fs.target systemd-user-sessions.service network-online.target nss-lookup.target sound.target bluetooth.target polkit.service upower.service mysqld.service lircd.service
Wants=network-online.target polkit.service upower.service
Conflicts=getty@tty1.service

[Service]
User=kodi
Group=kodi
EnvironmentFile=-/etc/conf.d/kodi-standalone
PAMName=login
TTYPath=/dev/tty1
ExecStart=/usr/bin/xinit /usr/bin/kodi-standalone -- :0 -quiet -nolisten tcp vt1
ExecStop=/usr/bin/killall --user kodi --exact --wait kodi.bin
Restart=on-abort
StandardInput=tty
StandardOutput=journal

[Install]
Alias=display-manager.service

开机自动启动kodi

sudo systemctl daemon-reload
sudo systemctl enable kodi

安装kodi
准备了这么多,终于开始安装kodi了。安装kodi是很简单的,几条命令搞定。

sudo apt-add-repository ppa:team-xbmc/ppa
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install kodi kodi-x11 kodi-pvr-iptvsimple
sudo systemctl start kodi

关于遥控
遥控器是蓝宝石SAPPHIRE Theatrix的遥控器,比一般的HP之类的mce遥控便宜不少,这遥控器说实话,能不用还是不用了比较折腾。

网上有现成的驱动安装方法如下,最新版就是 7.4 ,作者没写支持5.x的内核,实测20.04 的5.4可用,22.04 的 5.14内核亲测无效。至于还会不会更新不好说了,这遥控器太老了。
另外,随着linux 内核的更新,每次小版本的update 都要跟着做一次make install,否则module里面因为没有驱动,遥控器会失效

sudo apt install build-essential
wget http://rtr.ca/sapphire_remote/sapphire-7.4.tar.gz
tar xvf sapphire-7.4.tar.gz
cd sapphire-7.4
sudo make
sudo make install

这个驱动是为MythTV制作的,要适配kodi的话还需要做一点点keymap的工作。
原作者的keymap
https://blog.d2okkk.net/202101/kodi-setup/sapphire.keymap
我改的
/etc/sapphire.keymap
改一下这个keymap

SAPPHIRE_DVDMENU         KEY_C            NO_REPEAT                    ## Menu

改完后的效果

#
# Default keymap from sapphire.c v3.0.
#
# Edit this as you please, keeping in mind that spaces are NOT permitted
# within each column.
#
#   Eg. this is INCORRECT:   KEY_F15 | ALT
#   whereas this is good:    KEY_F15|ALT
#         
# Use the provided sapphire_keymap.sh script to install these
# mappings at runtime in place of the driver's built-in mappings.
# Keep your own copy of this file separate from the driver source,
# so that subsequent changes in the driver mappings won't clobber
# your own definitions here.
#
# As in the example above, "KeyCode" values can be combined with
# any mix of these "modifier" keys:  SHIFT, ALT, CTRL, and/or META.
#
#  Eg.  SAPPHIRE_PLAY  KEY_P|CTRL      NO_REPEAT  ## Mythtv Play/Pause function
#  Or:  SAPPHIRE_PLAY  KEY_P|CTRL|ALT  NO_REPEAT  ## something else
#
# The "SpecialOptions" field is used to indicate the desired auto-repeat rate
# for each button individually.  The choices are:
#
#     NO_REPEAT   - the button will not auto-repeat when held down.
#     SLOW_REPEAT - the button will repeat slowly.
#     RAMP_REPEAT - the button will repeat slowly at first, but speed up if held down.
#     LONGKEY     - no auto-repeat: special behaviour described below.
#
# The special value "LONGKEY" can be used in "SpecialOptions"
# insted of an auto-repeat setting.  This causes a button on the remote
# to have two separate functions, depending upon how quickly it is released.
#
# A short-press/release gets the regular "KeyCode" value, but if the button
# is held down for one second or longer, then an alternate value can be send instead.
# Just combine the desired alternate keycode with the LONGKEY tag.
#
# Eg.  SAPPHIRE_MUTE  KEY_F9  LONGKEY|KEY_F15  ## Mute (tap) or Audiosync (hold)
#
# ButtonName             KeyCode          SpecialOptions               ## Comments
#
SAPPHIRE_UP              KEY_UP           RAMP_REPEAT                  ## up    (CUSTOM)
SAPPHIRE_DOWN            KEY_DOWN         RAMP_REPEAT                  ## down  (CUSTOM)
SAPPHIRE_RIGHT           KEY_RIGHT        RAMP_REPEAT                  ## right
SAPPHIRE_LEFT            KEY_LEFT         RAMP_REPEAT                  ## left
SAPPHIRE_ENTEROK         KEY_ENTER        LONGKEY|KEY_F15              ## Select (tap) or Audiosync (hold)
SAPPHIRE_BACK            KEY_BACKSPACE    SLOW_REPEAT                  ## Back
SAPPHIRE_PLAY            KEY_P            NO_REPEAT                    ## Play/Pause
SAPPHIRE_PAUSE           KEY_SPACE        NO_REPEAT                    ## Play/Pause
SAPPHIRE_VOLUP           KEY_EQUAL        FAST_REPEAT                  ## Volume Up
SAPPHIRE_VOLDOWN         KEY_MINUS        FAST_REPEAT                  ## Volume Down
SAPPHIRE_CHUP            KEY_PAGEUP       SLOW_REPEAT                  ## channel up    (CUSTOM)
SAPPHIRE_CHDOWN          KEY_PAGEDOWN     SLOW_REPEAT                  ## channel down  (CUSTOM)
SAPPHIRE_MUTE            KEY_F8           SLOW_REPEAT                  ## Mute
SAPPHIRE_RECORD          KEY_R            NO_REPEAT                    ## Record/Delete (CUSTOM)
SAPPHIRE_FWD             KEY_DOT          RAMP_REPEAT                  ## FFwd
SAPPHIRE_REW             KEY_COMMA        RAMP_REPEAT                  ## Rewind
SAPPHIRE_ANGLE           KEY_O            NO_REPEAT                    ## Player process info
SAPPHIRE_SAP             KEY_Z            NO_REPEAT                    ## Display info
SAPPHIRE_DVDMENU         KEY_C            NO_REPEAT                    ## Menu
SAPPHIRE_INFOEPG         KEY_I            NO_REPEAT                    ## Info
SAPPHIRE_TAB             KEY_END          SLOW_REPEAT                  ## Commskip Fwd
SAPPHIRE_BACKTAB         KEY_HOME         SLOW_REPEAT                  ## Commskip Rev
SAPPHIRE_RADIO           KEY_F7           NO_REPEAT                    ## Signal Monitor
SAPPHIRE_LASTCH          KEY_0            NO_REPEAT                    ## previous chan
SAPPHIRE_LANGUAGE        KEY_G            SLOW_REPEAT                  ## Next Audio Track
SAPPHIRE_TELETEXTCC      KEY_V            SLOW_REPEAT                  ## Teletext
SAPPHIRE_SUBTITLE        KEY_L            SLOW_REPEAT                  ## Next subtitle
SAPPHIRE_HOMEHOUSE       KEY_ESC          NO_REPEAT                    ## jump to MainMenu
SAPPHIRE_BLUEVIDEOS      KEY_F4           NO_REPEAT                    ## Video
SAPPHIRE_LIVETV          KEY_F5           NO_REPEAT                    ## Play LiveTV
SAPPHIRE_REDDVDVCD       KEY_F1           NO_REPEAT                    ## PlayDVD/DVDMenu
SAPPHIRE_YELLOWPICTURES  KEY_F3           NO_REPEAT                    ## Picture
SAPPHIRE_1               KEY_1            SLOW_REPEAT                  ## 1
SAPPHIRE_2               KEY_2            SLOW_REPEAT                  ## 2
SAPPHIRE_3               KEY_3            SLOW_REPEAT                  ## 3
SAPPHIRE_4               KEY_4            SLOW_REPEAT                  ## 4
SAPPHIRE_5               KEY_5            SLOW_REPEAT                  ## 5
SAPPHIRE_6               KEY_6            SLOW_REPEAT                  ## 6
SAPPHIRE_7               KEY_7            SLOW_REPEAT                  ## 7
SAPPHIRE_8               KEY_8            SLOW_REPEAT                  ## 8
SAPPHIRE_9               KEY_9            SLOW_REPEAT                  ## 9
SAPPHIRE_0               KEY_0            SLOW_REPEAT                  ## 0
SAPPHIRE_STOP            KEY_X            NO_REPEAT                    ## Stop
SAPPHIRE_POWER           KEY_S            NO_REPEAT                    ## restart kodi
SAPPHIRE_CLEAR           KEY_BACKSPACE    SLOW_REPEAT                  ## Adjust audiosync by 90msecs (see below)
SAPPHIRE_GREENMUSIC      KEY_F2           NO_REPEAT                    ## Music

#
# Now for the macro definitions: each macro sends a list of up to eight keycodes:
#
KEY_MACRO_0    KEY_F15 KEY_DOWN KEY_LEFT   ## Adjust AudioSync by +90msecs
KEY_MACRO_1
KEY_MACRO_2
KEY_MACRO_2
KEY_MACRO_3
KEY_MACRO_4
KEY_MACRO_5
KEY_MACRO_6
KEY_MACRO_7

这样更好用
原作者的连接
https://blog.d2okkk.net/202101/kodi-setup/gen.xml
位置是 /home/kodi/.kodi/userdata/keymaps/gen.xml
实际内容

<keymap>
 <global>
  <keyboard>
   <f5>playpvrtv</f5>
   <f1>ActivateWindow(TVChannels)</f1>
   <f4>ActivateWindow(Videos)</f4>
   <f3>ActivateWindow(Pictures)</f3>
   <g>AudioNextLanguage</g>
  </keyboard>
 </global>
</keymap>

这个不用动,后期有需求可以使用 kodi 的 keymap editor 来修改,这个文件是 kodi 内的

最后用这个 sapphire 的驱动覆盖系统自带的 topseed 驱动,开机自动加载 keymap 配置。

编辑文件/etc/systemd/system/sapphire.service

[Unit]
Description=Sapphire remote start script
Before=kodi.service

[Service]
Type=oneshot
ExecStart=/usr/local/bin/sapphire_startup.sh
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target
sudo systemctl daemon-reload
sudo systemctl enable sapphire
sudo systemctl start sapphire

这样系统启动之后遥控器就直接可用了。
这个驱动会随着内核的更新儿丢失,丢失后需要重新make install一下

0x02 与宝视来投影关联

因为我用的 boxlight 的投影带串口指令集就不放了,获取的渠道太多了,可以直接用串口控制。所以我在 systemd 里面添加了开启启动投影和关机时关闭投影的脚本

具体如下
开机启动,发出指令后因为是多显示接口,让 xrandr 确定一下主显,下面 30 秒内 1 秒执行一次。

kodi@kodi:~$ cat boxlightstart 
#!/bin/bash
echo "00!" >/dev/ttyS0
n=0
while (($n<30))
do
    DISPLAY=:0 xrandr --output HDMI-1 --auto 
        n=$((n+1))
        sleep 1
done

关机关闭

kodi@kodi:~$ cat boxlightstop 
#!/bin/bash
echo "00\"" >/dev/ttyS0

systemd 开机启动

kodi@kodi:/etc/systemd/system$ cat boxlightstart.service 
[Unit]
Description = boxlight
#After = systemd-user-sessions.service

[Service]
ExecStart = /home/kodi/boxlightstart

[Install]
WantedBy = multi-user.target

systemd 关机时执行

kodi@kodi:/etc/systemd/system$ cat boxlightstop.service 
[Unit]
Description=runs only upon shutdown
Conflicts=reboot.target
After=network.target

[Service]
Type=oneshot
ExecStart=/bin/true
ExecStop=/bin/bash /home/kodi/boxlightstop
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target

参考:
https://blog.d2okkk.net/202101/kodi-setup/

https://github.com/OnceUponALoop/mini-kodi

https://forum.kodi.tv/showthread.php?tid=231955

https://forum.kodi.tv/showthread.php?tid=231955&page=339

https://forum.kodi.tv/showthread.php?tid=333108&page=2

https://kodi.wiki/view/Keymap#Remotes

https://github.com/xbmc/xbmc/blob/master/system/keymaps/remote.xml

https://kodi.wiki/view/Using_an_MCE_remote

https://kodi.wiki/view/Keyboard_controls#Customizing_buttons_through_the_GUI

http://rtr.ca/sapphire_remote/index.html

https://web.archive.org/web/20170714192652/http://kodi.wiki/view/Sapphire_Remote

https://forum.libreelec.tv/thread/634-compile-sapphire-remote-driver/?pageNo=3

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