Add ffmpeg cli

recipes/recipes_emscripten/ffmpeg/build.sh

@@ -12,28 +12,44 @@ export PYTHON="${BUILD_PREFIX}/bin/python3"
 # Makefile variable of the same name.
 unset SUBDIR
 
-export CFLAGS="-I${PREFIX}/include ${CFLAGS:-}"
-export LDFLAGS="-L${PREFIX}/lib ${LDFLAGS:-}"
+export CFLAGS="-I${PREFIX}/include -pthread ${CFLAGS:-}"
+export LDFLAGS="-L${PREFIX}/lib -pthread ${LDFLAGS:-}"
 
 # llvm-nm avoids the broken packaged emnm Python launcher.
 ./configure \
   --prefix="${PREFIX}" \
-  --target-os=none --arch=x86_32 --enable-cross-compile \
-  --disable-asm --disable-stripping --disable-programs \
+  --target-os=none --arch=wasm --enable-cross-compile \
+  --disable-stripping \
   --disable-doc --disable-debug --disable-runtime-cpudetect \
-  --disable-autodetect --disable-pthreads --disable-w32threads \
+  --disable-autodetect --enable-pthreads --disable-w32threads \
   --disable-os2threads --disable-ffplay --disable-network \
   --enable-static --disable-shared \
   --enable-gpl --enable-version3 \
+  --enable-ffmpeg --enable-ffprobe \
   --nm=llvm-nm --ar=emar --ranlib=emranlib \
   --cc=emcc --cxx=em++ --objcc=emcc --dep-cc=emcc \
   --enable-avcodec --enable-avformat --enable-avutil \
   --enable-swscale --enable-swresample \
   --enable-avfilter --enable-avdevice \
   --enable-protocol=file
 
-make -j"${CPU_COUNT:-4}"
-make install
+make EXESUF=.js -j"${CPU_COUNT:-4}"
+make EXESUF=.js install
+
+# FFmpeg's Emscripten link creates *_g.wasm and copies only the JavaScript
+# launcher during install. Give each launcher a stable adjacent wasm file.
+for tool in ffmpeg ffprobe; do
+  if [[ ! -s "${tool}_g.wasm" || ! -s "${PREFIX}/bin/${tool}.js" ]]; then
+    echo "error: ${tool} CLI was not built; expected ${tool}_g.wasm and ${PREFIX}/bin/${tool}.js" >&2
+    exit 1
+  fi
+  install -Dm755 "${tool}_g.wasm" "${PREFIX}/bin/${tool}.wasm"
+  sed -i "s/${tool}_g\\.wasm/${tool}.wasm/g" "${PREFIX}/bin/${tool}.js"
+  if [[ ! -s "${PREFIX}/bin/${tool}.wasm" ]]; then
+    echo "error: failed to install ${PREFIX}/bin/${tool}.wasm" >&2
+    exit 1
+  fi
+done
 
 install -Dm644 "${RECIPE_DIR}/cmake/FFmpegConfig.cmake" \
   "${PREFIX}/lib/cmake/FFmpeg/FFmpegConfig.cmake"

recipes/recipes_emscripten/ffmpeg/build_tests.sh

@@ -5,7 +5,23 @@ echo "=========================================="
 echo "Building FFmpeg tests..."
 echo "=========================================="
 
+raw_test_type="${1:?usage: build_tests.sh libs or cli}"
+test_type="${raw_test_type%\}}"
+
+if [[ "${test_type}" == "cli" ]]; then
+  node "${PREFIX}/bin/ffmpeg.js" -version
+  node "${PREFIX}/bin/ffprobe.js" -version
+  exit 0
+fi
+
+if [[ "${test_type}" != "libs" ]]; then
+  echo "error: unknown test type: ${test_type}" >&2
+  exit 2
+fi
+
 export PKG_CONFIG_PATH="${PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH:-}"
+export CFLAGS="${CFLAGS:-}"
+export LDFLAGS="${LDFLAGS:-}"
 
 mkdir -p build_tests
 cd build_tests

recipes/recipes_emscripten/ffmpeg/recipe.yaml

@@ -2,57 +2,111 @@ context:
   name: ffmpeg
   version: 8.1.2
 
-package:
-  name: ${{ name }}
+recipe:
+  name: ffmpeg
   version: ${{ version }}
 
+build:
+  number: 2
+
 source:
-  url: https://ffmpeg.org/releases/${{ name }}-${{ version }}.tar.xz
-  sha256: 464beb5e7bf0c311e68b45ae2f04e9cc2af88851abb4082231742a74d97b524c
+  - url: https://ffmpeg.org/releases/${{ name }}-${{ version }}.tar.xz
+    sha256: 464beb5e7bf0c311e68b45ae2f04e9cc2af88851abb4082231742a74d97b524c
 
-build:
-  number: 0
-  script: build.sh
+outputs:
+  - staging:
+      name: ffmpeg-build
+    requirements:
+      build:
+        - ${{ compiler('c') }}
+        - ${{ compiler('cxx') }}
+        - make
+        - pkg-config
+      host: []
+    build:
+      script: build.sh
 
-requirements:
-  build:
-  - ${{ compiler('c') }}
-  - ${{ compiler('cxx') }}
-  - make
-  - pkg-config
-  host: []
-  run: []
+  - package:
+      name: ffmpeg
+      version: ${{ version }}
+    inherit: ffmpeg-build
+    build:
+      files:
+        include:
+          - lib/libavcodec.a
+          - lib/libavformat.a
+          - lib/libavutil.a
+          - lib/libswscale.a
+          - lib/libswresample.a
+          - lib/libavfilter.a
+          - lib/libavdevice.a
+          - lib/pkgconfig/*.pc
+          - lib/cmake/FFmpeg/**
+          - include/**
+    tests:
+      - package_contents:
+          lib:
+            - libavcodec.a
+            - libavformat.a
+            - libavutil.a
+            - libswscale.a
+            - libswresample.a
+            - libavfilter.a
+            - libavdevice.a
+          include:
+            - libavcodec/avcodec.h
+            - libavformat/avformat.h
+            - libavutil/avutil.h
+            - libswscale/swscale.h
+            - libswresample/swresample.h
+            - libavfilter/avfilter.h
+          files:
+            - lib/cmake/FFmpeg/FFmpegConfig.cmake
+      - script:
+          - bash build_tests.sh libs
+        requirements:
+          build:
+            - ${{ compiler('c') }}
+            - ${{ compiler('cxx') }}
+            - cmake
+            - ninja
+        files:
+          recipe:
+            - build_tests.sh
+            - tests/
 
-tests:
-- package_contents:
-    lib:
-    - libavcodec.a
-    - libavformat.a
-    - libavutil.a
-    - libswscale.a
-    - libswresample.a
-    - libavfilter.a
-    - libavdevice.a
-    include:
-    - libavcodec/avcodec.h
-    - libavformat/avformat.h
-    - libavutil/avutil.h
-    - libswscale/swscale.h
-    - libswresample/swresample.h
-    - libavfilter/avfilter.h
-- script:
-  - build_tests.sh
-  requirements:
+  - package:
+      name: ffmpeg-cli
+      version: ${{ version }}
+    inherit: ffmpeg-build
     build:
-    - ${{ compiler('c') }}
-    - ${{ compiler('cxx') }}
-    - cmake
-    - ninja
-    - nodejs
-  files:
-    recipe:
-    - build_tests.sh
-    - tests/
+      files:
+        include:
+          - bin/ffmpeg.js
+          - bin/ffmpeg.wasm
+          - bin/ffprobe.js
+          - bin/ffprobe.wasm
+    requirements:
+      run:
+        - ffmpeg =${{ version }}
+    tests:
+      - package_contents:
+          bin:
+            - ffmpeg
+            - ffprobe
+          files:
+            - bin/ffmpeg.js
+            - bin/ffmpeg.wasm
+            - bin/ffprobe.js
+            - bin/ffprobe.wasm
+      - script:
+          - bash build_tests.sh cli
+        requirements:
+          build:
+            - nodejs
+        files:
+          recipe:
+            - build_tests.sh
 
 about:
   homepage: https://ffmpeg.org/