49 lines
1.6 KiB
Docker
49 lines
1.6 KiB
Docker
# syntax=docker/dockerfile-upstream:master-labs
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# Base emsdk image with environment variables.
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FROM emscripten/emsdk:3.1.18 AS emsdk-base
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ARG EXTRA_CFLAGS
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ARG EXTRA_LDFLAGS
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ARG FFMPEG_ST
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ARG FFMPEG_MT
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ENV INSTALL_DIR=/src/build
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ENV FFMPEG_VERSION=n5.1
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ENV X264_BRANCH=4-cores
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ENV CFLAGS="$CFLAGS $EXTRA_CFLAGS"
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ENV LDFLAGS="$LDFLAGS $CFLAGS $EXTRA_LDFLAGS"
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ENV EM_PKG_CONFIG_PATH=$EM_PKG_CONFIG_PATH:$INSTALL_DIR/lib/pkgconfig:/emsdk/upstream/emscripten/system/lib/pkgconfig
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ENV PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$EM_PKG_CONFIG_PATH
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ENV FFMPEG_ST=$FFMPEG_ST
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ENV FFMPEG_MT=$FFMPEG_MT
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# Build x264
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FROM emsdk-base AS x264-builder
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ADD https://github.com/ffmpegwasm/x264.git#$X264_BRANCH /src
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COPY build/x264.sh /src/build.sh
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RUN bash -x /src/build.sh
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# Base ffmpeg image with dependencies and source code populated.
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FROM emsdk-base AS ffmpeg-base
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RUN apt-get update && \
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apt-get install -y pkg-config
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RUN embuilder build sdl2 sdl2-mt
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ADD https://github.com/FFmpeg/FFmpeg.git#$FFMPEG_VERSION /src
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COPY --from=x264-builder $INSTALL_DIR $INSTALL_DIR
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# Build ffmpeg
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FROM ffmpeg-base AS ffmpeg-builder
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COPY build/ffmpeg.sh /src/build.sh
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RUN bash -x /src/build.sh
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# Build ffmpeg.wasm
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FROM ffmpeg-builder AS ffmpeg-wasm-builder
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COPY src/bind /src/wasm/bind
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COPY src/fftools /src/wasm/fftools
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COPY build/ffmpeg-wasm.sh build.sh
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RUN mkdir -p /src/dist/umd && bash -x /src/build.sh -o dist/umd/ffmpeg.js
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RUN mkdir -p /src/dist/esm && bash -x /src/build.sh -sEXPORT_ES6 -o dist/esm/ffmpeg.js
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# Export ffmpeg-core.wasm to dist/, use `docker buildx build -o . .` to get assets
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FROM scratch AS exportor
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COPY --from=ffmpeg-wasm-builder /src/dist /dist
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