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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
ARG FFMPEG_ST
ARG FFMPEG_MT
ENV INSTALL_DIR=/opt
# We cannot upgrade to n6.0 as ffmpeg bin only supports multithread at the moment.
ENV FFMPEG_VERSION=n5.1.4
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
ENV FFMPEG_ST=$FFMPEG_ST
ENV FFMPEG_MT=$FFMPEG_MT
RUN apt-get update && \
apt-get install -y pkg-config autoconf automake libtool ragel
# Build x264
FROM emsdk-base AS x264-builder
ENV X264_BRANCH=4-cores
ADD https://github.com/ffmpegwasm/x264.git#$X264_BRANCH /src
COPY build/x264.sh /src/build.sh
RUN bash -x /src/build.sh
# Build x265
FROM emsdk-base AS x265-builder
ENV X265_BRANCH=3.4
ADD https://github.com/ffmpegwasm/x265.git#$X265_BRANCH /src
COPY build/x265.sh /src/build.sh
RUN bash -x /src/build.sh
# Build libvpx
FROM emsdk-base AS libvpx-builder
ENV LIBVPX_BRANCH=v1.13.1
ADD https://github.com/ffmpegwasm/libvpx.git#$LIBVPX_BRANCH /src
COPY build/libvpx.sh /src/build.sh
RUN bash -x /src/build.sh
# Build lame
FROM emsdk-base AS lame-builder
ENV LAME_BRANCH=master
ADD https://github.com/ffmpegwasm/lame.git#$LAME_BRANCH /src
COPY build/lame.sh /src/build.sh
RUN bash -x /src/build.sh
# Build ogg
FROM emsdk-base AS ogg-builder
ENV OGG_BRANCH=v1.3.4
ADD https://github.com/ffmpegwasm/Ogg.git#$OGG_BRANCH /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 $INSTALL_DIR
ENV THEORA_BRANCH=v1.1.1
ADD https://github.com/ffmpegwasm/theora.git#$THEORA_BRANCH /src
COPY build/theora.sh /src/build.sh
RUN bash -x /src/build.sh
# Build opus
FROM emsdk-base AS opus-builder
ENV OPUS_BRANCH=v1.3.1
ADD https://github.com/ffmpegwasm/opus.git#$OPUS_BRANCH /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 $INSTALL_DIR
ENV VORBIS_BRANCH=v1.3.3
ADD https://github.com/ffmpegwasm/vorbis.git#$VORBIS_BRANCH /src
COPY build/vorbis.sh /src/build.sh
RUN bash -x /src/build.sh
# Build zlib
FROM emsdk-base AS zlib-builder
ENV ZLIB_BRANCH=v1.2.11
ADD https://github.com/ffmpegwasm/zlib.git#$ZLIB_BRANCH /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 $INSTALL_DIR
ENV LIBWEBP_BRANCH=v1.3.2
ADD https://github.com/ffmpegwasm/libwebp.git#$LIBWEBP_BRANCH /src
COPY build/libwebp.sh /src/build.sh
RUN bash -x /src/build.sh
# Build freetype2
FROM emsdk-base AS freetype2-builder
ENV FREETYPE2_BRANCH=VER-2-10-4
ADD https://github.com/ffmpegwasm/freetype2.git#$FREETYPE2_BRANCH /src
COPY build/freetype2.sh /src/build.sh
RUN bash -x /src/build.sh
# Build fribidi
FROM emsdk-base AS fribidi-builder
ENV FRIBIDI_BRANCH=v1.0.9
ADD https://github.com/fribidi/fribidi.git#$FRIBIDI_BRANCH /src
COPY build/fribidi.sh /src/build.sh
RUN bash -x /src/build.sh
# Build harfbuzz
FROM emsdk-base AS harfbuzz-builder
ENV HARFBUZZ_BRANCH=5.2.0
ADD https://github.com/harfbuzz/harfbuzz.git#$HARFBUZZ_BRANCH /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 $INSTALL_DIR
ENV LIBASS_BRANCH=0.15.0
ADD https://github.com/libass/libass.git#$LIBASS_BRANCH /src
COPY build/libass.sh /src/build.sh
RUN bash -x /src/build.sh
# Build zimg
FROM emsdk-base AS zimg-builder
ENV ZIMG_BRANCH=release-3.0.5
RUN apt-get update && apt-get install -y git
RUN git clone --recursive -b $ZIMG_BRANCH https://github.com/sekrit-twc/zimg.git /src
COPY build/zimg.sh /src/build.sh
RUN bash -x /src/build.sh
# Base ffmpeg image with dependencies and source code populated.
FROM emsdk-base AS ffmpeg-base
RUN embuilder build sdl2 sdl2-mt
ADD https://github.com/FFmpeg/FFmpeg.git#$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 \
--disable-protocols \
--disable-encoders \
--disable-hwaccels \
--enable-protocol=file \
--enable-encoder=libmp3lame \
--enable-nonfree \
--enable-gpl \
--enable-libmp3lame \
--enable-libvorbis \
--enable-libopus \
--enable-encoder=mjpeg \
--disable-filters \
--enable-filter=trim,atrim,anull,null \
--enable-filter=abuffersink,aformat \
--enable-filter=abuffer \
--enable-filter=amix,aresample \
--enable-filter=scale \
--enable-filter=crop \
--enable-filter=select \
--enable-filter=format \
--enable-filter=pad \
--disable-indevs \
--disable-outdevs \
--disable-muxers \
--enable-muxer=mp3 \
--enable-muxer=image2 \
--enable-muxer=segment
# 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 \
-lmp3lame \
-logg \
-lvorbis \
-lvorbisfile \
-lopus
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