chore: baseline usable version

cmake/QEmbyPlatformDeps.cmake

@@ -0,0 +1,68 @@
+include_guard(GLOBAL)
+
+function(qemby_append_default_qt_prefixes)
+    set(_qemby_qt_prefixes)
+
+    if(QEMBY_QT_ROOT)
+        list(APPEND _qemby_qt_prefixes
+            "${QEMBY_QT_ROOT}"
+            "${QEMBY_QT_ROOT}/lib/cmake"
+        )
+    endif()
+
+    if(DEFINED ENV{QTDIR} AND NOT "$ENV{QTDIR}" STREQUAL "")
+        list(APPEND _qemby_qt_prefixes
+            "$ENV{QTDIR}"
+            "$ENV{QTDIR}/lib/cmake"
+        )
+    endif()
+
+    if(WIN32)
+        list(APPEND _qemby_qt_prefixes
+            "E:/Qt6/6.9.2/msvc2022_64"
+            "E:/Qt6/6.9.2/msvc2022_64/lib/cmake"
+        )
+    endif()
+
+    foreach(_qemby_qt_prefix IN LISTS _qemby_qt_prefixes)
+        if(EXISTS "${_qemby_qt_prefix}")
+            list(APPEND CMAKE_PREFIX_PATH "${_qemby_qt_prefix}")
+        endif()
+    endforeach()
+
+    if(CMAKE_PREFIX_PATH)
+        list(REMOVE_DUPLICATES CMAKE_PREFIX_PATH)
+    endif()
+
+    set(CMAKE_PREFIX_PATH "${CMAKE_PREFIX_PATH}" PARENT_SCOPE)
+endfunction()
+
+function(qemby_link_libmpv target)
+    if(NOT TARGET "${target}")
+        message(FATAL_ERROR "qemby_link_libmpv: target '${target}' does not exist")
+    endif()
+
+    if(WIN32)
+        set(_qemby_mpv_root "${CMAKE_SOURCE_DIR}/libs/libmpv")
+        set(_qemby_mpv_include_dir "${_qemby_mpv_root}/include")
+
+        find_library(MPV_LIBRARY
+            NAMES mpv libmpv mpv-2 libmpv-2
+            PATHS "${_qemby_mpv_root}/lib"
+            NO_DEFAULT_PATH
+        )
+
+        if(NOT MPV_LIBRARY OR NOT EXISTS "${_qemby_mpv_include_dir}/mpv/client.h")
+            message(FATAL_ERROR
+                "Could not find bundled libmpv. Place the libmpv SDK under libs/libmpv.")
+        endif()
+
+        target_include_directories("${target}" PRIVATE "${_qemby_mpv_include_dir}")
+        target_link_libraries("${target}" PRIVATE "${MPV_LIBRARY}")
+        return()
+    endif()
+
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(MPV REQUIRED IMPORTED_TARGET mpv)
+    target_link_libraries("${target}" PRIVATE PkgConfig::MPV)
+endfunction()