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Dockerfile
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# syntax=docker/dockerfile-upstream:master-labs
# Base emsdk image with environment variables.
FROM emscripten/emsdk:3.1.40 AS emsdk-base
ARG EXTRA_CFLAGS
ARG EXTRA_LDFLAGS
ENV INSTALL_DIR=/opt
ENV FFMPEG_VERSION=n7.0.1
ENV CFLAGS="-I$INSTALL_DIR/include $CFLAGS $EXTRA_CFLAGS"
ENV CXXFLAGS="$CFLAGS"
ENV LDFLAGS="-L$INSTALL_DIR/lib $LDFLAGS $CFLAGS $EXTRA_LDFLAGS"
ENV EM_PKG_CONFIG_PATH=$EM_PKG_CONFIG_PATH:$INSTALL_DIR/lib/pkgconfig:/emsdk/upstream/emscripten/system/lib/pkgconfig
ENV EM_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake
ENV PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$EM_PKG_CONFIG_PATH
RUN apt-get update && \
apt-get install -y pkg-config autoconf automake libtool ragel
# Build x264
FROM emsdk-base AS x264-builder
COPY patches/x264/ /patches
COPY build/x264.sh /build.sh
RUN bash -x /build.sh
# Build x265
FROM emsdk-base AS x265-builder
ADD https://github.com/videolan/x265.git#3.4 /src
COPY build/x265.sh /src/build.sh
RUN bash -x /src/build.sh
# Build libvpx
FROM emsdk-base AS libvpx-builder
ADD https://chromium.googlesource.com/webm/libvpx.git#v1.14.1 /src/
COPY build/libvpx.sh /src/build.sh
RUN bash -x /src/build.sh
# Build lame
FROM emsdk-base AS lame-builder
ENV LAME_BRANCH=master
ADD https://sourceforge.net/projects/lame/files/lame/3.100/lame-3.100.tar.gz/download /src/lame.tar.gz
COPY build/lame.sh /src/build.sh
RUN bash -x /src/build.sh
# Build ogg
FROM emsdk-base AS ogg-builder
ADD https://gitlab.xiph.org/xiph/ogg.git#v1.3.4 /src
COPY build/ogg.sh /src/build.sh
RUN bash -x /src/build.sh
# Build theora
FROM emsdk-base AS theora-builder
COPY --from=ogg-builder $INSTALL_DIR $INSTALL_DIR
ADD https://gitlab.xiph.org/xiph/theora.git#v1.1.1 /src
COPY build/theora.sh /src/build.sh
RUN bash -x /src/build.sh
# Build opus
FROM emsdk-base AS opus-builder
ADD https://github.com/xiph/opus.git#v1.3.1 /src
COPY build/opus.sh /src/build.sh
RUN bash -x /src/build.sh
# Build vorbis
FROM emsdk-base AS vorbis-builder
COPY --from=ogg-builder $INSTALL_DIR $INSTALL_DIR
ADD https://gitlab.xiph.org/xiph/vorbis.git#v1.3.3 /src
COPY build/vorbis.sh /src/build.sh
RUN bash -x /src/build.sh
# Build zlib
FROM emsdk-base AS zlib-builder
ADD https://github.com/madler/zlib.git#v1.3.1 /src
COPY build/zlib.sh /src/build.sh
RUN bash -x /src/build.sh
# Build libwebp
FROM emsdk-base AS libwebp-builder
COPY --from=zlib-builder $INSTALL_DIR $INSTALL_DIR
ADD https://github.com/webmproject/libwebp.git#v1.4.0 /src
COPY build/libwebp.sh /src/build.sh
RUN bash -x /src/build.sh
# Build freetype2
FROM emsdk-base AS freetype2-builder
ADD https://git.savannah.gnu.org/git/freetype/freetype2.git#VER-2-13-2 /src
COPY build/freetype2.sh /src/build.sh
RUN bash -x /src/build.sh
# Build fribidi
FROM emsdk-base AS fribidi-builder
ADD https://github.com/fribidi/fribidi.git#v1.0.15 /src
COPY build/fribidi.sh /src/build.sh
RUN bash -x /src/build.sh
# Build harfbuzz
FROM emsdk-base AS harfbuzz-builder
ADD https://github.com/harfbuzz/harfbuzz.git#8.5.0 /src
COPY build/harfbuzz.sh /src/build.sh
RUN bash -x /src/build.sh
# Build libass
FROM emsdk-base AS libass-builder
COPY --from=freetype2-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=fribidi-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=harfbuzz-builder $INSTALL_DIR $INSTALL_DIR
ADD https://github.com/libass/libass.git#0.17.2 /src
COPY build/libass.sh /src/build.sh
RUN bash -x /src/build.sh
# Build zimg
FROM emsdk-base AS zimg-builder
RUN apt-get update && apt-get install -y git
RUN git clone --recursive -b release-3.0.5 https://github.com/sekrit-twc/zimg.git /src
COPY build/zimg.sh /src/build.sh
RUN bash -x /src/build.sh
# Base ffmpeg image with dependencies and source code populated.
FROM emsdk-base AS ffmpeg-base
RUN embuilder build sdl2 sdl2-mt
ADD https://github.com/FFmpeg/FFmpeg.git#$FFMPEG_VERSION /src
COPY --from=x264-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=x265-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=libvpx-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=lame-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=opus-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=theora-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=vorbis-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=libwebp-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=libass-builder $INSTALL_DIR $INSTALL_DIR
COPY --from=zimg-builder $INSTALL_DIR $INSTALL_DIR
# Build ffmpeg
FROM ffmpeg-base AS ffmpeg-builder
COPY build/ffmpeg.sh /src/build.sh
RUN bash -x /src/build.sh \
--enable-gpl \
--enable-libx264 \
--enable-libx265 \
--enable-libvpx \
--enable-libmp3lame \
--enable-libtheora \
--enable-libvorbis \
--enable-libopus \
--enable-zlib \
--enable-libwebp \
--enable-libfreetype \
--enable-libfribidi \
--enable-libass \
--enable-libzimg
# Build ffmpeg.wasm
FROM ffmpeg-builder AS ffmpeg-wasm-builder
COPY src/bind /src/src/bind
COPY src/fftools /src/src/fftools
COPY build/ffmpeg-wasm.sh build.sh
# libraries to link
ENV FFMPEG_LIBS \
-lx264 \
-lx265 \
-lvpx \
-lmp3lame \
-logg \
-ltheora \
-lvorbis \
-lvorbisenc \
-lvorbisfile \
-lopus \
-lz \
-lwebpmux \
-lwebp \
-lsharpyuv \
-lfreetype \
-lfribidi \
-lharfbuzz \
-lass \
-lzimg
RUN mkdir -p /src/dist/umd && bash -x /src/build.sh \
${FFMPEG_LIBS} \
-o dist/umd/ffmpeg-core.js
RUN mkdir -p /src/dist/esm && bash -x /src/build.sh \
${FFMPEG_LIBS} \
-sEXPORT_ES6 \
-o dist/esm/ffmpeg-core.js
# Export ffmpeg-core.wasm to dist/, use `docker buildx build -o . .` to get assets
FROM scratch AS exportor
COPY --from=ffmpeg-wasm-builder /src/dist /dist