Add a workflow to build cross platform libs

Removed the manually compiles shared objects
Updated src.cmake to suit

.github/workflows/build_cross-platform_libs.yml

@@ -0,0 +1,64 @@
+name: Build Cross-Platform Libraries
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: macos-latest
+            target: aarch64-apple-darwin
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+          - os: windows-latest
+            target: x86_64-pc-windows-gnu
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Download DeepFilterNet
+        run: git clone --depth 1 https://github.com/Rikorose/DeepFilterNet.git DeepFilterNet
+
+      - name: Install Rust Targets
+        run: rustup target add ${{ matrix.target }}
+
+      - name: Install Dependencies (macOS)
+        if: matrix.os == 'macos-latest'
+        run: brew install zig
+
+      - name: Build libdf for macOS (Universal Binary)
+        if: matrix.os == 'macos-latest'
+        env:
+          RUSTFLAGS: "-C linker=zig cc -C link-arg=-target -C link-arg=aarch64-apple-darwin"
+        run: |
+          export SDKROOT=$(xcrun --sdk macosx --show-sdk-path)
+          export MACOSX_DEPLOYMENT_TARGET=11.0
+          cargo build --manifest-path=DeepFilterNet/Cargo.toml --release --features capi --target aarch64-apple-darwin -Z build-std
+          cargo build --manifest-path=DeepFilterNet/Cargo.toml --release --features capi --target x86_64-apple-darwin
+          mkdir -p MediaProcessor/lib
+          lipo -create -output MediaProcessor/lib/libdf.dylib \
+            target/aarch64-apple-darwin/release/libdf.dylib \
+            target/x86_64-apple-darwin/release/libdf.dylib
+
+      - name: Build libdf for Linux
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+          cargo build --manifest-path=DeepFilterNet/Cargo.toml --release --features capi --target x86_64-unknown-linux-gnu
+          mkdir -p MediaProcessor/lib
+          mv target/x86_64-unknown-linux-gnu/release/libdf.so MediaProcessor/lib/libdf.so
+
+      - name: Build libdf for Windows
+        if: matrix.os == 'windows-latest'
+        run: |
+          cargo build --manifest-path=DeepFilterNet/Cargo.toml --release --features capi --target x86_64-pc-windows-gnu
+          mkdir -p MediaProcessor/lib
+          mv target/x86_64-pc-windows-gnu/release/libdf.dll MediaProcessor/lib/libdf.dll
+          mv target/x86_64-pc-windows-gnu/release/libdf.dll.a MediaProcessor/lib/libdf.dll.a

MediaProcessor/cmake/src.cmake

@@ -16,19 +16,15 @@ target_link_libraries(MediaProcessor PRIVATE Threads::Threads)
 target_link_libraries(MediaProcessor PRIVATE ${SNDFILE_LIBRARIES})
 
 if(APPLE)
-    if(CMAKE_OSX_ARCHITECTURES MATCHES "arm64")
-        set(DF_LIBRARY ${CMAKE_SOURCE_DIR}/lib/libdf.dylib)
-    else()
-        message(FATAL_ERROR "x86_64 MacOS is currently not supported (should come very soon!).")
-        # set(DF_LIBRARY ${CMAKE_SOURCE_DIR}/lib/libdf.dylib)
-    endif()
+    set(DF_LIBRARY ${CMAKE_SOURCE_DIR}/lib/libdf.dylib)
 elseif(WIN32)
-    set(DF_LIBRARY ${CMAKE_SOURCE_DIR}/lib/libdf.dll.a) # link with .dll.a, use .dll at runtime
+    set(DF_LIBRARY ${CMAKE_SOURCE_DIR}/lib/libdf.dll.a) 
 elseif(UNIX)
     set(DF_LIBRARY ${CMAKE_SOURCE_DIR}/lib/libdf.so)
 else()
     message(FATAL_ERROR "Unsupported platform")
 endif()
+
 set_target_properties(MediaProcessor PROPERTIES
     RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}"
 )