check-image-decoding.yml

name: Image Decoding Test

on: [push, pull_request]

jobs:
  build:
    runs-on: macos-latest
    steps:
    - uses: actions/checkout@v2
    - name: Build CLI tool
      shell: bash
      run: |
        set -ex
        cd Example
        pod install --repo-update
        xcrun xcodebuild \
          -workspace SDWebImageAVIFCoder.xcworkspace \
          -scheme "SDWebImageAVIFCoder_Example CLI" \
          -archivePath ./CLI \
          archive
    - name: Clone test images
      shell: bash
      run: |
        set -ex
        git clone https://github.com/link-u/avif-sample-images.git
    - name: Decode all AVIF images
      shell: bash
      run: |
        set -ex
        cd avif-sample-images
        mkdir decoded
        CMD="../Example/CLI.xcarchive/Products/usr/local/bin/SDWebImageAVIFCoder_Example CLI"
        for file in $(find . -name \*.avif); do
          file=$(basename ${file})
          if (echo ${file} | grep "profile"); then
            # FIXME(ledyba-z): https://github.com/SDWebImage/SDWebImageAVIFCoder/issues/21
            echo "Ignore: ${file}"
            continue
          fi
          "${CMD}" "${file}" "./decoded/${file}.png"
        done
    - name: Upload result
      uses: actions/upload-artifact@v1
      with:
        name: decoded-images
        path: avif-sample-images/decoded
    - name: Install imagemagick to compare images.
      shell: bash
      run: brew install imagemagick
    - name: Compare images
      shell: bash
      run: |
        set -ex
        cd avif-sample-images
        for file in $(find . -name \*.avif); do
          file=$(basename ${file})
          if (echo ${file} | grep "profile"); then
            # FIXME(ledyba-z): https://github.com/SDWebImage/SDWebImageAVIFCoder/issues/21
            echo "Ignore: ${file}"
            continue
          else
            orig=$(cat Makefile | grep "^${file}" | sed "s/^${file}: \(.*\)$/\1/")
            score=$(compare -metric PSNR "${orig}" "decoded/${file}.png" NULL: 2>&1 || true)
            echo " * ${file}: ${score}"
            if test $(echo "${score} >= 35.0" | bc -l) -eq 0; then
              exit -1
            fi
          fi
        done