Support the platform iOS for Flutter

.github/workflows/release-dart-package.yaml

@@ -24,14 +24,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Flutter SDK
-        uses: flutter-actions/setup-flutter@v3
-        with:
-          channel: stable
-          version: latest
-
-      - uses: dart-lang/setup-dart@v1
-
       - name: Fix version
         shell: bash
         run: |
@@ -104,6 +96,14 @@ jobs:
 
           ls -lh /tmp/to_be_published/linux
 
+      - name: Setup Flutter SDK
+        uses: flutter-actions/setup-flutter@v3
+        with:
+          channel: stable
+          version: latest
+
+      - uses: dart-lang/setup-dart@v1
+
       - name: Release
         shell: bash
         run: |
@@ -127,14 +127,6 @@ jobs:
         with:
           key: ${{ matrix.os }}-flutter-release-package
 
-      - name: Setup Flutter SDK
-        uses: flutter-actions/setup-flutter@v3
-        with:
-          channel: stable
-          version: latest
-
-      - uses: dart-lang/setup-dart@v1
-
       - name: Fix version
         shell: bash
         run: |
@@ -205,6 +197,14 @@ jobs:
 
           ls -lh /tmp/to_be_published/macos
 
+      - name: Setup Flutter SDK
+        uses: flutter-actions/setup-flutter@v3
+        with:
+          channel: stable
+          version: latest
+
+      - uses: dart-lang/setup-dart@v1
+
       - name: Release
         shell: bash
         run: |
@@ -429,8 +429,89 @@ jobs:
           flutter pub publish --dry-run
           flutter pub publish --force
 
+  sherpa_onnx_ios:
+    # if: false
+    permissions:
+      id-token: write # Required for authentication using OIDC
+    name: sherpa_onnx_ios
+    runs-on: macos-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: ccache
+        uses: hendrikmuhs/[email protected]
+        with:
+          key: ${{ matrix.os }}-flutter-release-package-ios
+
+      - name: Fix version
+        shell: bash
+        run: |
+          SHERPA_ONNX_VERSION=$(grep "SHERPA_ONNX_VERSION" ./CMakeLists.txt  | cut -d " " -f 2  | cut -d '"' -f 2)
+
+          src_dir=$PWD/flutter/sherpa_onnx_ios
+          pushd $src_dir
+          v="version: $SHERPA_ONNX_VERSION"
+          echo "v: $v"
+          sed -i.bak s"/^version: .*/$v/" ./pubspec.yaml
+          rm *.bak
+          git status
+          git diff
+
+      - name: Copy extra files
+        shell: bash
+        run: |
+          dst=flutter/sherpa_onnx_ios
+
+          mkdir $dst/example
+
+          cp -v flutter/sherpa_onnx/example/* $dst/example
+          cp -v LICENSE $dst/
+          cp -v CHANGELOG.md $dst/
+
+          git status
+
+      - name: Build ios
+        shell: bash
+        run: |
+          export CMAKE_CXX_COMPILER_LAUNCHER=ccache
+          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
+          cmake --version
+          ./build-ios-shared.sh
+
+      - name: Copy pre-built libs
+        shell: bash
+        run: |
+          echo "----ios-arm64----"
+          cp -v build-ios-shared/ios-arm64/libsherpa-onnx-c-api.dylib flutter/sherpa_onnx_ios/ios/
+          cp -v build-ios-shared/ios-onnxruntime/onnxruntime.xcframework/ios-arm64/onnxruntime.a flutter/sherpa_onnx_ios/ios/libonnxruntime.a
+
+          ls -lh flutter/sherpa_onnx_ios/ios/libonnxruntime.a
+
+          mv -v flutter/sherpa_onnx_ios /tmp/to_be_published
+
+          ls -lh /tmp/to_be_published
+
+      - name: Setup Flutter SDK
+        uses: flutter-actions/setup-flutter@v3
+        with:
+          channel: stable
+          version: latest
+
+      - uses: dart-lang/setup-dart@v1
+
+      - name: Release
+        shell: bash
+        run: |
+          cd /tmp/to_be_published
+          du -h -d1 .
+
+          flutter pub get
+          flutter pub publish --dry-run
+          flutter pub publish --force
+
   sherpa_onnx:
-    # needs: [sherpa_onnx_linux, sherpa_onnx_macos, sherpa_onnx_windows, sherpa_onnx_android]
+    needs: [sherpa_onnx_linux, sherpa_onnx_macos, sherpa_onnx_windows, sherpa_onnx_android, sherpa_onnx_ios]
     # if: false
     permissions:
       id-token: write # Required for authentication using OIDC

.gitignore

@@ -109,3 +109,4 @@ sherpa-onnx-vits-*
 sherpa-onnx-telespeech-ctc-*
 *.fst
 .ccache
+lib*.a

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.10.11
+
+* Support the iOS platform for iOS.
+
 ## 1.10.10
 
 * Build sherpa-onnx into a single shared library.

CMakeLists.txt

@@ -11,7 +11,7 @@ project(sherpa-onnx)
 # ./nodejs-addon-examples
 # ./dart-api-examples/
 # ./sherpa-onnx/flutter/CHANGELOG.md
-set(SHERPA_ONNX_VERSION "1.10.10")
+set(SHERPA_ONNX_VERSION "1.10.11")
 
 # Disable warning about
 #

build-ios-shared.sh

@@ -0,0 +1,144 @@
+#!/usr/bin/env  bash
+#
+# Note: This script is to build sherpa-onnx for flutter/dart, which requires
+# us to use shared libraries for sherpa-onnx.
+#
+# Note: We still use static libraries for onnxruntime.
+
+set -e
+
+dir=build-ios-shared
+mkdir -p $dir
+cd $dir
+onnxruntime_version=1.17.1
+onnxruntime_dir=ios-onnxruntime/$onnxruntime_version
+
+SHERPA_ONNX_GITHUB=github.com
+
+if [ "$SHERPA_ONNX_GITHUB_MIRROW" == true ]; then
+    SHERPA_ONNX_GITHUB=hub.nuaa.cf
+fi
+
+if [ ! -f $onnxruntime_dir/onnxruntime.xcframework/ios-arm64/onnxruntime.a ]; then
+  mkdir -p $onnxruntime_dir
+  pushd $onnxruntime_dir
+  wget -c https://${SHERPA_ONNX_GITHUB}/csukuangfj/onnxruntime-libs/releases/download/v${onnxruntime_version}/onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
+  tar xvf onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
+  rm onnxruntime.xcframework-${onnxruntime_version}.tar.bz2
+  cd ..
+  ln -sf $onnxruntime_version/onnxruntime.xcframework .
+  popd
+fi
+
+# First, for simulator
+echo "Building for simulator (x86_64)"
+
+export SHERPA_ONNXRUNTIME_LIB_DIR=$PWD/ios-onnxruntime/onnxruntime.xcframework/ios-arm64_x86_64-simulator
+export SHERPA_ONNXRUNTIME_INCLUDE_DIR=$PWD/ios-onnxruntime/onnxruntime.xcframework/Headers
+
+echo "SHERPA_ONNXRUNTIME_LIB_DIR: $SHERPA_ONNXRUNTIME_LIB_DIR"
+echo "SHERPA_ONNXRUNTIME_INCLUDE_DIR $SHERPA_ONNXRUNTIME_INCLUDE_DIR"
+
+# Note: We use -DENABLE_ARC=1 here to fix the linking error:
+#
+# The symbol _NSLog is not defined
+#
+if [[ ! -f build/simulator_x86_64/install/lib/libsherpa-onnx-c-api.dylib ]]; then
+  cmake \
+    -DSHERPA_ONNX_ENABLE_BINARY=OFF \
+    -DBUILD_PIPER_PHONMIZE_EXE=OFF \
+    -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
+    -DBUILD_ESPEAK_NG_EXE=OFF \
+    -DBUILD_ESPEAK_NG_TESTS=OFF \
+    -S .. \
+    -DCMAKE_TOOLCHAIN_FILE=./toolchains/ios.toolchain.cmake \
+    -DPLATFORM=SIMULATOR64 \
+    -DENABLE_BITCODE=0 \
+    -DENABLE_ARC=1 \
+    -DENABLE_VISIBILITY=1 \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=./build/simulator_x86_64/install \
+    -DBUILD_SHARED_LIBS=ON \
+    -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
+    -DSHERPA_ONNX_ENABLE_TESTS=OFF \
+    -DSHERPA_ONNX_ENABLE_CHECK=OFF \
+    -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
+    -DSHERPA_ONNX_ENABLE_JNI=OFF \
+    -DSHERPA_ONNX_ENABLE_C_API=ON \
+    -DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \
+    -DDEPLOYMENT_TARGET=13.0 \
+    -B build/simulator_x86_64
+
+  cmake --build build/simulator_x86_64 -j 4 --target install
+fi
+
+echo "Building for simulator (arm64)"
+
+if [[ ! -f build/simulator_arm64/install/lib/libsherpa-onnx-c-api.dylib ]]; then
+  cmake \
+    -DSHERPA_ONNX_ENABLE_BINARY=OFF \
+    -DBUILD_PIPER_PHONMIZE_EXE=OFF \
+    -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
+    -DBUILD_ESPEAK_NG_EXE=OFF \
+    -DBUILD_ESPEAK_NG_TESTS=OFF \
+    -S .. \
+    -DCMAKE_TOOLCHAIN_FILE=./toolchains/ios.toolchain.cmake \
+    -DPLATFORM=SIMULATORARM64 \
+    -DENABLE_BITCODE=0 \
+    -DENABLE_ARC=1 \
+    -DENABLE_VISIBILITY=1 \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=./build/simulator_arm64/install \
+    -DBUILD_SHARED_LIBS=ON \
+    -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
+    -DSHERPA_ONNX_ENABLE_TESTS=OFF \
+    -DSHERPA_ONNX_ENABLE_CHECK=OFF \
+    -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
+    -DSHERPA_ONNX_ENABLE_JNI=OFF \
+    -DSHERPA_ONNX_ENABLE_C_API=ON \
+    -DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \
+    -DDEPLOYMENT_TARGET=13.0 \
+    -B build/simulator_arm64
+
+  cmake --build build/simulator_arm64 -j 4 --target install
+fi
+
+echo "Building for arm64"
+
+if [[ ! -f build/os64/install/lib/libsherpa-onnx-c-api.dylib ]]; then
+  export SHERPA_ONNXRUNTIME_LIB_DIR=$PWD/ios-onnxruntime/onnxruntime.xcframework/ios-arm64
+
+  cmake \
+    -DSHERPA_ONNX_ENABLE_BINARY=OFF \
+    -DBUILD_PIPER_PHONMIZE_EXE=OFF \
+    -DBUILD_PIPER_PHONMIZE_TESTS=OFF \
+    -DBUILD_ESPEAK_NG_EXE=OFF \
+    -DBUILD_ESPEAK_NG_TESTS=OFF \
+    -S .. \
+    -DCMAKE_TOOLCHAIN_FILE=./toolchains/ios.toolchain.cmake \
+    -DPLATFORM=OS64 \
+    -DENABLE_BITCODE=0 \
+    -DENABLE_ARC=1 \
+    -DENABLE_VISIBILITY=1 \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_INSTALL_PREFIX=./build/os64/install \
+    -DBUILD_SHARED_LIBS=ON \
+    -DSHERPA_ONNX_ENABLE_PYTHON=OFF \
+    -DSHERPA_ONNX_ENABLE_TESTS=OFF \
+    -DSHERPA_ONNX_ENABLE_CHECK=OFF \
+    -DSHERPA_ONNX_ENABLE_PORTAUDIO=OFF \
+    -DSHERPA_ONNX_ENABLE_JNI=OFF \
+    -DSHERPA_ONNX_ENABLE_C_API=ON \
+    -DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \
+    -DDEPLOYMENT_TARGET=13.0 \
+    -B build/os64
+
+  cmake --build build/os64 -j 4 --target install
+fi
+
+echo "Collect dynamic libraries "
+mkdir -p ios-arm64 ios-arm64-simulator ios-x86_64-simulator
+
+cp -v ./build/os64/install/lib/libsherpa-onnx-c-api.dylib ios-arm64/
+cp -v ./build/simulator_arm64/install/lib/libsherpa-onnx-c-api.dylib ios-arm64-simulator
+cp -v .//build/simulator_x86_64/install/lib/libsherpa-onnx-c-api.dylib ios-x86_64-simulator

dart-api-examples/non-streaming-asr/pubspec.yaml

@@ -10,7 +10,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  sherpa_onnx: ^1.10.10
+  sherpa_onnx: ^1.10.11
   path: ^1.9.0
   args: ^2.5.0
 

dart-api-examples/streaming-asr/pubspec.yaml

@@ -11,7 +11,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  sherpa_onnx: ^1.10.10
+  sherpa_onnx: ^1.10.11
   path: ^1.9.0
   args: ^2.5.0
 

dart-api-examples/tts/pubspec.yaml

@@ -8,7 +8,7 @@ environment:
 
 # Add regular dependencies here.
 dependencies:
-  sherpa_onnx: ^1.10.10
+  sherpa_onnx: ^1.10.11
   path: ^1.9.0
   args: ^2.5.0
 

dart-api-examples/vad/pubspec.yaml

@@ -9,7 +9,7 @@ environment:
   sdk: ^3.4.0
 
 dependencies:
-  sherpa_onnx: ^1.10.10
+  sherpa_onnx: ^1.10.11
   path: ^1.9.0
   args: ^2.5.0