Add Meson build files for project and source directory setup

.github/workflows/github-ci.yml

@@ -5,13 +5,6 @@ on:
   pull_request:
   workflow_dispatch: #
 
-env:
-  ass_repo: https://github.com/libass/libass
-  ass_ver: 0.17.4
-  avs_repo: https://github.com/AviSynth/AviSynthPlus
-  avs_ver: 3.7.5
-  avs_date: 20250420
-
 jobs:
   build-linux:
     runs-on: ubuntu-latest
@@ -21,33 +14,11 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update && sudo apt-get install -y ninja-build nasm libfontconfig1-dev meson
-
-          git clone ${{ env.avs_repo }}.git -b v${{ env.avs_ver }} --depth=1 avsplus
-
-          cd ./avsplus
-          cmake -DCMAKE_INSTALL_PREFIX=/usr/local -S . -B avisynth-build 
-          cmake --build avisynth-build --config Release -j 2
-          sudo cmake --install avisynth-build --config Release
-          cd ..
-
-          git clone ${{ env.ass_repo }}.git -b ${{ env.ass_ver }} --depth=1 libass
-
-          cd ./libass
           meson wrap update-db
-          meson wrap install fribidi
-          meson wrap install freetype2
-          meson wrap install expat
-          meson wrap install harfbuzz
-          meson wrap install libpng
-          meson wrap install zlib
-
-          meson setup build -Ddefault_library=static -Dbuildtype=release -Dasm=enabled -Dc_std=c11 -Dcpp_std=c++17
-          meson compile -C build
-          sudo meson install -C build
       - name: Build & Save binary
         run: |
-          cmake -B build -S .
-          cmake --build build --clean-first
+          meson setup build
+          meson compile -C build
           cmake -E copy "build/src/libassrender.so" "dist/libassrender.so"
       - name: Upload artifact
         uses: actions/upload-artifact@v4
@@ -66,23 +37,7 @@ jobs:
 
           python -m pip install --upgrade pip
           pip install meson
-
-          curl -L "${{ env.avs_repo }}/releases/download/v${{ env.avs_ver }}/AviSynthPlus_${{ env.avs_ver }}_${{ env.avs_date }}-filesonly.7z" `
-            --create-dirs -o "./avsplus/avisynthplus-latest-filesonly.7z"
-          7z e "avsplus\*-filesonly.7z" -o"lib\x86-32" "*\x86\c_api\AviSynth.lib"
-          7z e "avsplus\*-filesonly.7z" -o"lib\x86-64" "*\x64\c_api\AviSynth.lib"
-
-          git clone ${{ env.ass_repo }}.git -b ${{ env.ass_ver }} --depth=1 libass
-
-          cd ./libass
           meson wrap update-db
-          meson wrap install fribidi
-          meson wrap install fontconfig
-          meson wrap install freetype2
-          meson wrap install expat
-          meson wrap install harfbuzz
-          meson wrap install libpng
-          meson wrap install zlib
       - name: Setup MSVC (x64)
         uses: ilammy/msvc-dev-cmd@v1
         with:
@@ -91,22 +46,11 @@ jobs:
         env:
           PKG_CONFIG_PATH: C:/assdeps/x64/lib/pkgconfig
         run: |
-          cd libass
           meson setup build_x64 `
             --prefix "C:/assdeps/x64" `
             --libdir "lib" `
-            -Ddefault_library=static `
-            -Dbuildtype=release `
-            -Dasm=enabled `
             -Db_vscrt=static_from_buildtype `
-            -Dc_std=c11 `
-            -Dcpp_std=c++17
           meson compile -C build_x64
-          meson install -C build_x64
-          cd ..
-
-          cmake -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -A x64 -S . -B build_x64
-          msbuild /t:Rebuild /m /p:Configuration=Release /p:Platform=x64 ".\build_x64\assrender.sln"
           cmake -E copy "build_x64\src\Release\assrender.dll" "dist\Release_x64\assrender.dll"
       - name: Setup MSVC (Win32)
         uses: ilammy/msvc-dev-cmd@v1
@@ -116,22 +60,11 @@ jobs:
         env:
           PKG_CONFIG_PATH: C:/assdeps/x86/lib/pkgconfig
         run: |
-          cd libass
           meson setup build_Win32 `
             --prefix "C:/assdeps/x86" `
             --libdir "lib" `
-            -Ddefault_library=static `
-            -Dbuildtype=release `
-            -Dasm=enabled `
             -Db_vscrt=static_from_buildtype `
-            -Dc_std=c11 `
-            -Dcpp_std=c++17
           meson compile -C build_Win32
-          meson install -C build_Win32
-          cd ..
-
-          cmake -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -A Win32 -S . -B build_Win32
-          msbuild /t:Rebuild /m /p:Configuration=Release /p:Platform=Win32 ".\build_Win32\assrender.sln"
           cmake -E copy "build_Win32\src\Release\assrender.dll" "dist\Release_Win32\assrender.dll"
       - name: Upload artifact
         uses: actions/upload-artifact@v4

.gitignore

@@ -39,6 +39,11 @@ build/*
 */build/x64
 Test
 
+# Meson
+/subprojects/*
+!/subprojects/avisynthplus.wrap
+!/subprojects/libass.wrap
+
 # Build results
 [Dd]ebug/
 [Dd]ebugPublic/

meson.build

@@ -0,0 +1,37 @@
+project(
+    'assrender',
+    ['c', 'cpp'],
+    default_options: [
+        'default_library=static',
+        'buildtype=release',
+        'c_std=c11',
+        'cpp_std=c++17',
+        'warning_level=3',
+    ],
+)
+
+# Mirror the MinGW-specific behavior from CMake
+cc = meson.get_compiler('c')
+is_mingw = host_machine.system() == 'windows' and cc.get_id() == 'gcc'
+
+if is_mingw
+    add_project_arguments(
+        '-Wpedantic',
+        language: 'c',
+    )
+
+    add_project_link_arguments(
+        '-static-libgcc',
+        '-Wl,--add-stdcall-alias',
+        language: 'c',
+    )
+
+    if get_option('buildtype') in ['release', 'minsize']
+        add_project_link_arguments(
+            '-s',
+            language: 'c',
+        )
+    endif
+endif
+
+subdir('src')

src/meson.build

@@ -0,0 +1,64 @@
+cc = meson.get_compiler('c')
+
+cmake_mod = import('cmake')
+win = import('windows')
+
+plugin_name = 'assrender'
+
+sources = files(
+    'assrender.c',
+    'render.c',
+    'sub.c',
+    'timecodes.c',
+)
+
+if host_machine.system() == 'windows'
+    sources += win.compile_resources('ASSRender.rc')
+endif
+
+inc_public = include_directories('include')
+
+libass_dep = dependency(
+    'libass',
+    required: true,
+    version: '>=0.17.4',
+)
+
+avisynth_dep = dependency(
+    'avisynth',
+    required: false,
+    version: '>=3.7.3',
+)
+
+if not avisynth_dep.found()
+    opt = cmake_mod.subproject_options()
+    opt.add_cmake_defines({'HEADERS_ONLY': true})
+
+    avisynth_sp = cmake_mod.subproject('avisynthplus', options: opt)
+    avisynth_dep = avisynth_sp.dependency('AviSynth-Headers')
+endif
+
+deps = [avisynth_dep, libass_dep]
+is_mingw = (host_machine.system() == 'windows' and cc.get_id() == 'gcc')
+need_defs = host_machine.system() == 'windows' and (not is_mingw) and host_machine.cpu_family() == 'x86'
+
+if need_defs
+    assrender = shared_library(
+        plugin_name,
+        sources,
+        include_directories: [inc_public],
+        dependencies: deps,
+        vs_module_defs: files('assrender.def'),
+        install: true,
+        install_dir: join_paths(get_option('libdir'), 'avisynth'),
+    )
+else
+    assrender = shared_library(
+        plugin_name,
+        sources,
+        include_directories: [inc_public],
+        dependencies: deps,
+        install: true,
+        install_dir: join_paths(get_option('libdir'), 'avisynth'),
+    )
+endif

subprojects/avisynthplus.wrap

@@ -0,0 +1,4 @@
+[wrap-git]
+directory=avisynthplus
+url=https://github.com/AviSynth/AviSynthPlus.git
+revision=v3.7.5

subprojects/libass.wrap

@@ -0,0 +1,4 @@
+[wrap-git]
+directory=libass
+url=https://github.com/libass/libass.git
+revision=0.17.4