Steam Link: Add platform, video and audio code

Known issues: * Videos stutter due to increased CPU requirements
garbear · Apr 16, 2019 · 94b3f05 · 94b3f05
1 parent 77221bf
commit 94b3f05
Show file tree

Hide file tree

Showing 63 changed files with 3,174 additions and 8 deletions.
diff --git a/cmake/modules/FindSdl2.cmake b/cmake/modules/FindSdl2.cmake
@@ -0,0 +1,25 @@
+#.rst:
+# FindSdl2
+# -------
+# Finds the SDL2 library
+#
+# This will will define the following variables::
+#
+# SDL2_FOUND - system has SDL2
+# SDL2_INCLUDE_DIRS - the SDL2 include directory
+# SDL2_LIBRARIES - the SDL2 libraries
+# SDL2_DEFINITIONS - the SDL2 compile definitions
+
+find_path(SDL2_INCLUDE_DIR NAMES SDL2/SDL.h)
+find_library(SDL2_LIBRARY NAMES SDL2)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Sdl2 REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR)
+
+if(SDL2_FOUND)
+  set(SDL2_LIBRARIES ${SDL2_LIBRARY})
+  set(SDL2_INCLUDE_DIRS ${SDL2_INCLUDE_DIR})
+  set(SDL2_DEFINITIONS -DHAVE_SDL=1 -DHAVE_SDL_VERSION=2)
+endif()
+
+mark_as_advanced(SDL2_LIBRARY SDL2_INCLUDE_DIR)
diff --git a/cmake/modules/FindSteamLink.cmake b/cmake/modules/FindSteamLink.cmake
@@ -0,0 +1,40 @@
+# FindSteamLink
+# ----------
+# Finds the FindSteamLink headers and libraries
+#
+# This will will define the following variables::
+#
+# STEAMLINK_FOUND - system has Steam Link
+# STEAMLINK_INCLUDE_DIRS - the Steam Link include directory
+# STEAMLINK_LIBRARIES - the Steam Link libraries
+# STEAMLINK_DEFINITIONS  - the Steam Link definitions
+#
+# and the following imported targets::
+#
+#   STEAMLINK::STEAMLINK   - The Steam Link library
+
+find_path(STEAMLINK_INCLUDE_DIR NAMES SLVideo.h)
+
+find_library(STEAMLINK_VIDEO_LIBRARY NAMES SLVideo)
+find_library(STEAMLINK_AUDIO_LIBRARY NAMES SLAudio)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SteamLink
+                                  REQUIRED_VARS STEAMLINK_INCLUDE_DIR
+                                                STEAMLINK_VIDEO_LIBRARY
+                                                STEAMLINK_AUDIO_LIBRARY)
+
+if(STEAMLINK_FOUND)
+  set(STEAMLINK_LIBRARIES ${STEAMLINK_VIDEO_LIBRARY}
+                          ${STEAMLINK_AUDIO_LIBRARY})
+  set(STEAMLINK_INCLUDE_DIRS ${STEAMLINK_INCLUDE_DIR})
+  set(STEAMLINK_DEFINITIONS -DHAS_STEAMLINK)
+    if(NOT TARGET STEAMLINK::STEAMLINK)
+    add_library(STEAMLINK::STEAMLINK UNKNOWN IMPORTED)
+    set_target_properties(STEAMLINK::STEAMLINK PROPERTIES
+                                               IMPORTED_LOCATION "${STEAMLINK_VIDEO_LIBRARY}" # TODO
+                                               INTERFACE_INCLUDE_DIRECTORIES "${STEAMLINK_INCLUDE_DIR}")
+  endif()
+endif()
+
+mark_as_advanced(STEAMLINK_INCLUDE_DIR STEAMLINK_VIDEO_LIBRARY STEAMLINK_AUDIO_LIBRARY)
diff --git a/cmake/platform/linux/steamlink.cmake b/cmake/platform/linux/steamlink.cmake
@@ -0,0 +1,2 @@
+set(PLATFORM_REQUIRED_DEPS OpenGLES EGL Sdl2 SteamLink)
+set(APP_RENDER_SYSTEM gles)
diff --git a/cmake/scripts/linux/ArchSetup.cmake b/cmake/scripts/linux/ArchSetup.cmake
@@ -112,6 +112,11 @@ if(ENABLE_GBM)
   set(ENABLE_VDPAU OFF CACHE BOOL "Disabling VDPAU" FORCE)
 endif()
 
+# TODO: Is this needed?
+if(ENABLE_STEAMLINK)
+  set(ENABLE_VDPAU OFF CACHE BOOL "Disabling VDPAU on the Steam Link" FORCE)
+endif()
+
 if(ENABLE_VDPAU)
   set(ENABLE_GLX ON CACHE BOOL "Enabling GLX" FORCE)
 endif()
diff --git a/cmake/treedata/optional/common/steamlink.txt b/cmake/treedata/optional/common/steamlink.txt
@@ -0,0 +1,5 @@
+xbmc/cores/AudioEngine/Sinks/steamlink cores/AudioEngine/Sinks/steamlink # STEAMLINK
+xbmc/cores/RetroPlayer/process/steamlink cores/RetroPlayer/process/steamlink # STEAMLINK
+xbmc/cores/VideoPlayer/DVDCodecs/Video/steamlink cores/VideoPlayer/DVDCodecs/Video/steamlink # STEAMLINK
+xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/steamlink cores/VideoPlayer/VideoRenderers/HwDecRender/steamlink # STEAMLINK
+xbmc/windowing/steamlink windowing/steamlink # STEAMLINK
diff --git a/tools/depends/configure.ac b/tools/depends/configure.ac
@@ -384,7 +384,7 @@ case $host in
 esac
 
 case $use_platform in
-  aml|gbm|wayland)
+  aml|gbm|wayland|steamlink)
     if test "$platform_os" != "linux"; then
       AC_MSG_ERROR([$use_platform is only supported on the Linux platform])
     fi
@@ -393,6 +393,16 @@ case $use_platform in
         AC_MSG_ERROR([$use_platform is only supported for arm and aarch64 architecture])
       fi
     fi
+    if test "$use_platform" = "steamlink"; then
+      platform_cflags="--sysroot=$use_toolchain/../rootfs -marm -mfpu=neon -mfloat-abi=hard"
+      platform_cxxflags="--sysroot=$use_toolchain/../rootfs -marm -mfpu=neon -mfloat-abi=hard"
+      platform_ldflags="-static-libgcc -static-libstdc++"
+
+      # TODO: Needed for Kodi, not depends
+      platform_cflags+=" -DEGL_API_FB"
+      platform_cxxflags+=" -DEGL_API_FB"
+      platform_ldflags+=" -lstdc++"
+    fi
     target_platform=$use_platform
     ;;
   raspberry-pi)

diff --git a/tools/depends/native/Makefile b/tools/depends/native/Makefile
@@ -22,7 +22,7 @@ ifeq ($(OS),osx)
 endif
 
 ifeq ($(OS),linux)
-  ifeq ($(TARGET_PLATFORM),$(filter $(TARGET_PLATFORM),raspberry-pi aml gbm))
+  ifeq ($(TARGET_PLATFORM),$(filter $(TARGET_PLATFORM),raspberry-pi aml gbm steamlink))
     NATIVE += meson-native ninja-native python3-native
   endif
 endif

diff --git a/tools/depends/target/Makefile b/tools/depends/target/Makefile
@@ -72,7 +72,7 @@ ifeq ($(OS),linux)
   DEPENDS += alsa-lib
   ALSA_LIB = alsa-lib
   CROSSGUID_DEPS = libuuid
-  ifeq ($(TARGET_PLATFORM),$(filter $(TARGET_PLATFORM),raspberry-pi aml gbm))
+  ifeq ($(TARGET_PLATFORM),$(filter $(TARGET_PLATFORM),raspberry-pi aml gbm steamlink))
     DEPENDS += libxkbcommon libinput libudev libevdev mtdev
   endif
 endif

diff --git a/tools/depends/target/Toolchain.cmake.in b/tools/depends/target/Toolchain.cmake.in
@@ -95,6 +95,13 @@ if(CORE_SYSTEM_NAME STREQUAL android)
   string(REPLACE ":" ";" SDK_BUILDTOOLS_PATH "@build_tools_path@")
 endif()
 
+# add Steam Link's sdk directory
+if(CORE_PLATFORM_NAME STREQUAL steamlink)
+  list(APPEND CMAKE_FIND_ROOT_PATH @use_toolchain@/../rootfs)
+  list(APPEND CMAKE_LIBRARY_PATH @use_toolchain@/../rootfs/lib)
+  list(APPEND CMAKE_INCLUDE_PATH @use_toolchain@/../rootfs/include)
+endif()
+
 set(CMAKE_C_FLAGS "@platform_cflags@ @platform_includes@ -isystem @prefix@/@deps_dir@/include")
 set(CMAKE_CXX_FLAGS "@platform_cxxflags@ @platform_includes@ -isystem @prefix@/@deps_dir@/include")
 set(CMAKE_C_FLAGS_RELEASE "@platform_cflags_release@ @platform_includes@ -isystem @prefix@/@deps_dir@/include")

diff --git a/tools/depends/target/Toolchain_binaddons.cmake.in b/tools/depends/target/Toolchain_binaddons.cmake.in
@@ -82,6 +82,14 @@ if(CORE_SYSTEM_NAME STREQUAL android)
   string(REPLACE ":" ";" SDK_BUILDTOOLS_PATH "@build_tools_path@")
 endif()
 
+# add Steam Link's sdk directory
+if(CORE_PLATFORM_NAME STREQUAL steamlink)
+  list(APPEND CMAKE_FIND_ROOT_PATH @use_toolchain@/../rootfs)
+  list(APPEND CMAKE_LIBRARY_PATH @use_toolchain@/../rootfs/lib)
+  list(APPEND CMAKE_INCLUDE_PATH @use_toolchain@/../rootfs/include)
+  set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+endif()
+
 set(CMAKE_C_FLAGS "@platform_cflags@ @platform_includes@")
 set(CMAKE_CXX_FLAGS "@platform_cxxflags@ @platform_includes@")
 set(CMAKE_C_FLAGS_RELEASE "@platform_cflags_release@ @platform_includes@")

diff --git a/xbmc/Application.cpp b/xbmc/Application.cpp
@@ -1846,7 +1846,7 @@ bool CApplication::OnAction(const CAction &action)
         m_appPlayer.SetPlaySpeed(1);
       return true;
     }
-    if (!m_appPlayer.IsPaused())
+    if (!m_appPlayer.IsPaused() && m_appPlayer.CanFFRW())
     {
       if (action.GetID() == ACTION_PLAYER_FORWARD || action.GetID() == ACTION_PLAYER_REWIND)
       {

diff --git a/xbmc/ApplicationPlayer.cpp b/xbmc/ApplicationPlayer.cpp
@@ -476,6 +476,12 @@ bool CApplicationPlayer::CanPause()
   return (player && player->CanPause());
 }
 
+bool CApplicationPlayer::CanFFRW()
+{
+  std::shared_ptr<IPlayer> player = GetInternal();
+  return (player && player->CanFFRW());
+}
+
 std::shared_ptr<TextCacheStruct_t> CApplicationPlayer::GetTeletextCache()
 {
   std::shared_ptr<IPlayer> player = GetInternal();

diff --git a/xbmc/ApplicationPlayer.h b/xbmc/ApplicationPlayer.h
@@ -71,6 +71,7 @@ class CApplicationPlayer
   // proxy calls
   void AddSubtitle(const std::string& strSubPath);
   bool CanPause();
+  bool CanFFRW();
   bool CanSeek();
   void DoAudioWork();
   void GetAudioCapabilities(std::vector<int> &audioCaps);