chore: switch to use KCodecs

appveyor.yml

@@ -22,12 +22,20 @@ build_script:
 # prepare
   - mkdir 3rdparty
   - choco install ninja
+  - choco install gperf
   - choco install pkgconfiglite
   - cd 3rdparty
-# build uchardet
-  - git clone -q https://gitlab.freedesktop.org/uchardet/uchardet.git
-  - cd uchardet
-  - cmake -G "Ninja" . -DCMAKE_INSTALL_PREFIX=%PACKAGE_INSTALL_ROOT% -DBUILD_BINARY=OFF
+# install ECM
+  - git clone -q https://invent.kde.org/frameworks/extra-cmake-modules.git
+  - git rev-parse HEAD
+  - cd extra-cmake-modules
+  - cmake -G "Ninja" . -DCMAKE_INSTALL_PREFIX=%PACKAGE_INSTALL_ROOT% -DBUILD_TESTING=OFF
+  - cmake --build . --target install
+  - cd %APPVEYOR_BUILD_FOLDER%
+# build kcodecs
+  - git clone -q https://invent.kde.org/frameworks/kcodecs.git
+  - cd kcodecs
+  - cmake -G "Ninja" . -DCMAKE_INSTALL_PREFIX=%PACKAGE_INSTALL_ROOT% -DBUILD_TESTING=OFF
   - cmake --build . --target install
   - cd %APPVEYOR_BUILD_FOLDER%
 # build taglib