RPi Steamlink Support

packages/addons/addon-depends/steamlink-depends/steamlink-libX11/package.mk

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+. $(get_pkg_directory libX11)/package.mk
+
+PKG_NAME="steamlink-libX11"
+PKG_LONGDESC="libX11 for steamlink-rpi"
+PKG_URL=""
+PKG_DEPENDS_TARGET+=" libX11"
+PKG_BUILD_FLAGS+=" -sysroot"
+
+unpack() {
+  mkdir -p ${PKG_BUILD}
+  tar --strip-components=1 -xf ${SOURCES}/${PKG_NAME:10}/${PKG_NAME:10}-${PKG_VERSION}.tar.bz2 -C ${PKG_BUILD}
+}

packages/addons/addon-depends/steamlink-depends/steamlink-libX11/patches/libX11-disable_nls_tests.patch

@@ -0,0 +1,18 @@
+diff -Naur libX11-1.6.0/nls/Makefile.am libX11-1.6.0.patch/nls/Makefile.am
+--- libX11-1.6.0/nls/Makefile.am	2013-06-04 04:21:16.000000000 +0200
++++ libX11-1.6.0.patch/nls/Makefile.am	2013-06-04 17:07:11.962522739 +0200
+@@ -36,10 +36,10 @@
+         < locale.dir.l1 > locale.dir.l2
+ 	cat locale.dir.l2 locale.dir.l1 > locale.dir
+
+-if HAVE_PERL
+-LOG_COMPILER = $(PERL)
+-TESTS = compose-check.pl
+-endif HAVE_PERL
++# if HAVE_PERL
++# LOG_COMPILER = $(PERL)
++# TESTS = compose-check.pl
++# endif HAVE_PERL
+
+
+ # Per-locale data files

packages/addons/addon-depends/steamlink-depends/steamlink-libXext/package.mk

@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+. $(get_pkg_directory libXext)/package.mk
+
+PKG_NAME="steamlink-libXext"
+PKG_LONGDESC="libXext for steamlink-rpi"
+PKG_URL=""
+PKG_DEPENDS_TARGET+=" libXext"
+PKG_BUILD_FLAGS+=" -sysroot"
+
+unpack() {
+  mkdir -p ${PKG_BUILD}
+  tar --strip-components=1 -xf ${SOURCES}/${PKG_NAME:10}/${PKG_NAME:10}-${PKG_VERSION}.tar.bz2 -C ${PKG_BUILD}
+}

packages/addons/addon-depends/steamlink-depends/steamlink-libjpeg-turbo/package.mk

@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+. $(get_pkg_directory libjpeg-turbo)/package.mk
+
+PKG_NAME="steamlink-libjpeg-turbo"
+PKG_LONGDESC="libjpeg-turbo for steamlink"
+PKG_URL=""
+PKG_DEPENDS_UNPACK+=" libjpeg-turbo"
+PKG_BUILD_FLAGS+=" -sysroot"
+
+PKG_CMAKE_OPTS_TARGET+=" -DENABLE_STATIC=OFF \
+                         -DENABLE_SHARED=ON \
+                         -DWITH_JPEG8=OFF"
+
+unpack() {
+  mkdir -p ${PKG_BUILD}
+  tar --strip-components=1 -xf ${SOURCES}/${PKG_NAME:10}/${PKG_NAME:10}-${PKG_VERSION}.tar.gz -C ${PKG_BUILD}
+}

packages/addons/addon-depends/steamlink-depends/steamlink-libpng/package.mk

@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+. $(get_pkg_directory libpng)/package.mk
+
+PKG_NAME="steamlink-libpng"
+PKG_LONGDESC="libpng for steamlink-rpi"
+PKG_URL=""
+PKG_DEPENDS_TARGET+=" libpng"
+PKG_BUILD_FLAGS+=" -sysroot"
+
+PKG_CONFIGURE_OPTS_TARGET+=" --disable-static \
+                             --enable-shared"
+
+unpack() {
+  mkdir -p ${PKG_BUILD}
+  tar --strip-components=1 -xf ${SOURCES}/${PKG_NAME:10}/${PKG_NAME:10}-${PKG_VERSION}.tar.xz -C ${PKG_BUILD}
+}
+
+post_makeinstall_target() {
+  :
+}

packages/addons/script/steamlink-rpi/changelog.txt

@@ -0,0 +1,2 @@
+100
+- Initial Release

packages/addons/script/steamlink-rpi/package.mk

@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+PKG_NAME="steamlink-rpi"
+PKG_VERSION="1.0"
+PKG_REV="100"
+PKG_ARCH="arm"
+PKG_ADDON_PROJECTS="RPi2"
+PKG_LICENSE="custom"
+PKG_SITE="https://support.steampowered.com/kb_article.php?ref=6153-IFGH-6589"
+PKG_DEPENDS_TARGET="toolchain steamlink-libjpeg-turbo steamlink-libpng steamlink-libXext steamlink-libX11"
+PKG_SECTION="script"
+PKG_SHORTDESC="Steam Link App for Raspberry Pi"
+PKG_LONGDESC="Installs the Steam Link App for Raspberry Pi 3 or newer from Valve for use in streaming from Steam clients. Addon is not associated with Valve. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries."
+PKG_TOOLCHAIN="manual"
+
+PKG_IS_ADDON="yes"
+PKG_ADDON_NAME="steamlink-rpi"
+PKG_ADDON_TYPE="xbmc.python.script"
+PKG_ADDON_PROVIDES="executable"
+
+PKG_STEAMLINK_VERSION="1.1.64.162"
+PKG_STEAMLINK_HASH="1ea1c41802bd6cc3efdba7ba258b9d25d5c07cdd1d0ffe9f2d47597588a09155"
+
+addon() {
+  # Add needed libraries
+  mkdir -p ${ADDON_BUILD}/${PKG_ADDON_ID}/system-libs
+
+  # libpng
+  cp -L $(get_install_dir steamlink-libpng)/usr/lib/libpng16.so.16 ${ADDON_BUILD}/${PKG_ADDON_ID}/system-libs/
+
+  # libjpeg-turbo
+  cp -L $(get_install_dir steamlink-libjpeg-turbo)/usr/lib/libjpeg.so.62 ${ADDON_BUILD}/${PKG_ADDON_ID}/system-libs/
+
+  # libXext
+  cp -L $(get_install_dir steamlink-libXext)/usr/lib/libXext.so.6 ${ADDON_BUILD}/${PKG_ADDON_ID}/system-libs/
+
+  # libX11
+  cp -L $(get_install_dir steamlink-libX11)/usr/lib/libX11.so.6 ${ADDON_BUILD}/${PKG_ADDON_ID}/system-libs/
+  cp -L $(get_install_dir steamlink-libX11)/usr/lib/libX11-xcb.so.1 ${ADDON_BUILD}/${PKG_ADDON_ID}/system-libs/
+}
+
+post_install_addon() {
+  # Add steamlink version to download to addon
+  sed -e "s/@STEAMLINK_VERSION@/${PKG_STEAMLINK_VERSION}/" \
+      -e "s/@STEAMLINK_HASH@/${PKG_STEAMLINK_HASH}/" \
+      -i ${ADDON_BUILD}/${PKG_ADDON_ID}/default.py
+}

packages/addons/script/steamlink-rpi/source/bin/steamlink-start.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+. /etc/profile
+oe_setup_addon script.steamlink-rpi
+
+# Steamlink not ready; abort
+if [ ! -f ${ADDON_DIR}/prep.ok ]; then
+  if [ -f /tmp/steamlink.watchdog ]; then
+    rm /tmp/steamlink.watchdog
+  fi
+  exit 0
+fi
+
+# Adapt to meet steamlink requirements
+
+# mount an overlay for udev rules and reload udev rules
+if [ $(grep -c "/lib/udev/rules.d" /proc/mounts) -eq 0 ]; then
+  if [ ! -d ${ADDON_DIR}/steamlink/.overlay ]; then
+    mkdir -p ${ADDON_DIR}/steamlink/.overlay
+  fi
+  mount -t overlay overlay -o lowerdir=/lib/udev/rules.d,upperdir=${ADDON_DIR}/steamlink/udev/rules.d/,workdir=${ADDON_DIR}/steamlink/.overlay /lib/udev/rules.d
+  udevadm trigger
+fi
+
+# use alsa for steamlink; make sure a sound card is present
+if [ ! -d /proc/asound ]; then
+  dtparam audio=on
+fi
+
+# Launch steamlink
+# xxx: shutdown kodi or controller input goes to kodi too
+systemctl stop kodi
+# xxx: shutdown pulseaudio or no sound
+systemctl stop pulseaudio
+${ADDON_DIR}/steamlink/steamlink.sh
+sleep 2
+# Cleanup
+umount /lib/udev/rules.d
+rm /tmp/steamlink.watchdog
+systemctl start pulseaudio
+systemctl start kodi
+
+exit 0

packages/addons/script/steamlink-rpi/source/default.py

@@ -0,0 +1,132 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2019-present Team LibreELEC (https://libreelec.tv)
+
+import os
+import tarfile
+import subprocess
+import xbmcaddon
+import xbmcgui
+from hashlib import sha256
+from pathlib import Path
+from shutil import rmtree
+from sys import exit
+from tempfile import TemporaryDirectory
+from time import sleep
+from urllib.request import urlretrieve
+
+
+STEAMLINK_VERSION = "@STEAMLINK_VERSION@"
+STEAMLINK_HASH = "@STEAMLINK_HASH@"
+STEAMLINK_TARBALL_NAME = f"steamlink-rpi3-{STEAMLINK_VERSION}.tar.gz"
+STEAMLINK_URL = f"http://media.steampowered.com/steamlink/rpi/{STEAMLINK_TARBALL_NAME}"
+ADDON_DIR = xbmcaddon.Addon().getAddonInfo("path")
+PROGRESS_BAR = xbmcgui.DialogProgress()
+
+
+def GetSHA256Hash(file_name):
+  """ Get sha256sum of file_name in 8kb chunks """
+  with open(file_name,"rb") as file:
+    SHA256HASH = sha256()
+    while True:
+      data_block = file.read(8192)
+      if not data_block:
+        break
+      SHA256HASH.update(data_block)
+  return SHA256HASH.hexdigest()
+
+def GetRPiProcessor():
+  """ Use vcgencmd to obtain cpu identifier as int """
+  VC_CMD_OUTPUT=subprocess.check_output(["vcgencmd", "otp_dump"], encoding="utf-8")
+
+  for line in VC_CMD_OUTPUT.splitlines():
+    if line[0:3] == "30:":
+      PROCESSOR=line.split(":")[1] # entire processor id
+      return int(PROCESSOR[4:5])   # only cpu id
+
+  return 0
+
+def OutputFileContents(file):
+  """ Read everything in file """
+  with open(file) as data:
+    return data.read()
+
+def ProgressBarReport(chunk_count, chunk_size, total_size):
+  """ Use urlretrieve's reporthook to report progress """
+  if total_size != -1:
+    progress_percentage = int(chunk_count * chunk_size / total_size * 100)
+    PROGRESS_BAR.update(progress_percentage)
+  else:
+    PROGRESS_BAR.update(0, "Filesize Unknown")
+
+def DownloadSteamlink():
+  """ Download Steam Link for RPi """
+  with TemporaryDirectory() as temp_dir:
+    STEAMLINK_TEMP_PATH = os.path.join(temp_dir, STEAMLINK_TARBALL_NAME)
+
+    PROGRESS_BAR.create("Steam Link", f"Downloading Steam Link Version: {STEAMLINK_VERSION}...")
+    urlretrieve(STEAMLINK_URL, STEAMLINK_TEMP_PATH, ProgressBarReport)
+
+    if tarfile.is_tarfile(STEAMLINK_TEMP_PATH):
+      DOWNLOAD_HASH = GetSHA256Hash(STEAMLINK_TEMP_PATH)
+      if STEAMLINK_HASH == DOWNLOAD_HASH:
+        PROGRESS_BAR.update(100, f"Extracting Steam Link Version {STEAMLINK_VERSION}...")
+        STEAMLINK_TARBALL = tarfile.open(STEAMLINK_TEMP_PATH)
+        STEAMLINK_TARBALL.extractall(path=f"{ADDON_DIR}/")
+        PROGRESS_BAR.close()
+      else:
+        PROGRESS_BAR.update(0, "Download Error: bad file hash. Try again later.")
+        sleep(5)
+        PROGRESS_BAR.close()
+        exit(1)
+    else:
+      PROGRESS_BAR.update(0, "Download Error: bad download or missing file")
+      sleep(5)
+      PROGRESS_BAR.close()
+      exit(1)
+
+def PrepareSteamlink():
+  """ System preparation before launching Steam Link """
+
+  # Disable Steam Link's cpu check
+  if not os.path.isfile(f"{ADDON_DIR}/steamlink/.ignore_cpuinfo"):
+    Path(f"{ADDON_DIR}/steamlink/.ignore_cpuinfo").touch()
+
+  # Add system libraries to bundled
+  for file in os.listdir(f"{ADDON_DIR}/system-libs/"):
+    os.symlink(f"{ADDON_DIR}/system-libs/{file}", f"{ADDON_DIR}/steamlink/lib/{file}")
+
+  # systemd setup
+  if not os.path.isfile(f"{str(Path.home())}/.config/system.d/steamlink-rpi.watchdog.service"):
+    os.symlink(f"{ADDON_DIR}/system.d/steamlink-rpi.watchdog.service", f"{str(Path.home())}/.config/system.d/steamlink-rpi.watchdog.service")
+  subprocess.run(["systemctl", "enable", f"{str(Path.home())}/.config/system.d/steamlink-rpi.watchdog.service"])
+
+  # Finalize
+  Path(f"{ADDON_DIR}/prep.ok").touch()
+
+def StartSteamlink():
+  # Check if running on RPi3 or higher
+  if not os.path.isfile(f"{ADDON_DIR}/steamlink/.ignore_cpuinfo") and GetRPiProcessor() < 2:
+    xbmcgui.Dialog.notification("Steam Link", "Steam Link will not run on this hardware. Aborting...", xbmcgui.NOTIFICATION_INFO, 5000)
+    exit(1)
+
+  # Check if addon wants to update Steam Link
+  if os.path.isfile(f"{ADDON_DIR}/steamlink/version.txt"):
+    STEAMLINK_INSTALLED_VERSION = OutputFileContents(f"{ADDON_DIR}/steamlink/version.txt").rstrip()
+
+    # Update Steamlink handling
+    if STEAMLINK_VERSION != STEAMLINK_INSTALLED_VERSION:
+      rmtree(f"{ADDON_DIR}/steamlink/")
+      os.remove(f"{ADDON_DIR}/prep.ok")
+
+  # Download Steam Link if not present
+  if not os.path.isfile(f"{ADDON_DIR}/prep.ok"):
+    DownloadSteamlink()
+    PrepareSteamlink()
+
+  # Start Steamlink
+  xbmcgui.Dialog().notification("Steam Link", "Starting Steam Link", xbmcgui.NOTIFICATION_INFO, 3000)
+  Path("/tmp/steamlink.watchdog").touch()
+  subprocess.run(["systemctl", "start", "steamlink-rpi.watchdog.service"])
+
+
+StartSteamlink()

packages/addons/script/steamlink-rpi/source/system.d/steamlink-rpi.watchdog.service

@@ -0,0 +1,11 @@
+[Unit]
+Description="Watchdog to start Steamlink"
+After=graphical.target
+ConditionPathExists=/tmp/steamlink.watchdog
+
+[Service]
+Type=oneshot
+ExecStart=/storage/.kodi/addons/script.steamlink-rpi/bin/steamlink-start.sh
+
+[Install]
+WantedBy=graphical.target