piper.yml

name: Piper Example

on:
  schedule:
    - cron: "0 0 * * *"
  push:
    paths:
      - ".github/workflows/piper.yml"
      - "wasmedge-piper/**"
  pull_request:
    paths:
      - ".github/workflows/piper.yml"
      - "wasmedge-piper/**"

jobs:
  build:
    runs-on: ubuntu-22.04
    steps:
      - name: Install Dependencies for building WasmEdge
        run: |
          sudo apt-get update
          sudo apt-get install ninja-build

      - name: Checkout WasmEdge
        uses: actions/checkout@v4
        with:
          repository: WasmEdge/WasmEdge
          path: WasmEdge

      - name: Install ONNX Runtime
        run: sudo bash utils/wasi-nn/install-onnxruntime.sh
        working-directory: WasmEdge

      - name: Build WasmEdge with WASI-NN Piper plugin
        run: |
          cmake -GNinja -Bbuild -DCMAKE_BUILD_TYPE=Release -DWASMEDGE_USE_LLVM=OFF -DWASMEDGE_PLUGIN_WASI_NN_BACKEND=Piper
          cmake --build build
        working-directory: WasmEdge

      - name: Install Rust target for wasm
        run: rustup target add wasm32-wasi

      - name: Checkout WasmEdge-WASINN-examples
        uses: actions/checkout@v4
        with:
          path: WasmEdge-WASINN-examples

      - name: Build wasm
        run: cargo build --target wasm32-wasi --release
        working-directory: WasmEdge-WASINN-examples/wasmedge-piper

      - name: Download model
        run: curl -LO https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/medium/en_US-lessac-medium.onnx

      - name: Download config
        run: curl -LO https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/medium/en_US-lessac-medium.onnx.json

      - name: Download espeak-ng-data
        run: |
          curl -LO https://github.com/rhasspy/piper/releases/download/2023.11.14-2/piper_linux_x86_64.tar.gz
          tar -xzf piper_linux_x86_64.tar.gz piper/espeak-ng-data --strip-components=1
          rm piper_linux_x86_64.tar.gz

      - name: Execute
        run: WASMEDGE_PLUGIN_PATH=WasmEdge/build/plugins/wasi_nn WasmEdge/build/tools/wasmedge/wasmedge --dir .:. WasmEdge-WASINN-examples/wasmedge-piper/target/wasm32-wasi/release/wasmedge-piper.wasm

      - name: Verify output
        run: test "$(file --brief welcome.wav)" == 'RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, mono 22050 Hz'