Dockerfile.alpine

ARG BUILD_IMAGE=alpine:3.15

FROM $BUILD_IMAGE as builder

ARG FREETYPE_VERSION=2.11.1-r2
ARG XML2_VERSION=2.9.14-r0
ARG SRT_VERSION=1.4.2-r1
ARG X264_VERSION=20210613-r0
ARG X265_VERSION=3.5-r0
ARG VPX_VERSION=1.10.0-r0
ARG LAME_VERSION=3.100-r0
ARG OPUS_VERSION=1.3.1-r1
ARG VORBIS_VERSION=1.3.7-r0
ARG FBDEV_VERSION=0.5.0-r3
ARG ALSA_VERSION=1.2.5.1-r1
ARG V4L_VERSION=1.22.1-r1
ARG FFMPEG_VERSION=4.4.2

ENV PKG_CONFIG_PATH=/usr/lib/pkgconfig \
  SRC=/usr

# install build packages
RUN apk add --update \
  autoconf \
  automake \
  bash \
  binutils \
  bzip2 \
  ca-certificates \
  cmake \
  coreutils \
  curl \
  diffutils \
  g++ \
  gcc \
  libgcc \
  libssl1.1 \
  libtool \
  linux-headers \
  make \
  musl-dev \
  nasm \
  openssl-dev \
  patch \
  tar \
  zlib-dev

# install shared ffmpeg libs
RUN apk add -U \
  freetype-dev=${FREETYPE_VERSION} \
  libxml2-dev=${XML2_VERSION} \
  libsrt-dev=${SRT_VERSION} \
  x264-dev=${X264_VERSION} \
  x265-dev=${X265_VERSION} \
  libvpx-dev=${VPX_VERSION} \
  lame-dev=${LAME_VERSION} \
  opus-dev=${OPUS_VERSION} \
  libvorbis-dev=${VORBIS_VERSION} \
  alsa-lib-dev=${ALSA_VERSION} \
  v4l-utils-dev=${V4L_VERSION}

# install and patch ffmpeg
RUN mkdir -p /dist && cd /dist && \
  curl -OLk http://ffmpeg.org/releases/ffmpeg-${FFMPEG_VERSION}.tar.gz && \
  tar -xvz -f ffmpeg-${FFMPEG_VERSION}.tar.gz && \
  rm ffmpeg-${FFMPEG_VERSION}.tar.gz

COPY ./contrib /contrib

RUN cd /dist/ffmpeg-${FFMPEG_VERSION} && \
  patch -p1 < /contrib/ffmpeg-nopts.patch && \
  patch -p1 < /contrib/ffmpeg-jsonstats.patch && \
  patch -p1 < /contrib/ffmpeg-hlsbitrate.patch && \
  ./configure \
  --extra-version=datarhei \
  --prefix="${SRC}" \
  --extra-libs="-lpthread -lxml2 -lm -lz -lsupc++ -lstdc++ -lssl -lcrypto -lz -lc -ldl" \
  --enable-nonfree \
  --enable-gpl \
  --enable-version3 \
  --enable-postproc \
  --enable-static \
  --enable-openssl \
  --enable-libxml2 \
  --enable-libv4l2 \
  --enable-v4l2_m2m \
  --enable-libfreetype \
  --enable-alsa \
  --enable-libsrt \
  --enable-libx264 \
  --enable-libx265 \
  --enable-libvpx \
  --enable-libmp3lame \
  --enable-libopus \
  --enable-libvorbis \
  --disable-ffplay \
  --disable-debug \
  --disable-doc \
  --disable-shared && \
  make -j$(nproc) && \
  make install

# export shared ffmpeg libs
RUN mkdir -p /ffmpeg/lib && \
  cp \
  /usr/lib/libfreetype.so.6 \
  /usr/lib/libbrotlidec.so.1 \
  /usr/lib/libbrotlicommon.so.1 \
  /usr/lib/libbz2.so.1 \
  /usr/lib/libpng16.so.16 \
  /usr/lib/libxml2.so.2 \
  /usr/lib/liblzma.so.5 \
  /usr/lib/libsrt.so.1.4 \
  /usr/lib/libx264.so.163 \
  /usr/lib/libx265.so.199 \
  /usr/lib/libnuma.so.1 \
  /usr/lib/libvpx.so.7 \
  /usr/lib/libmp3lame.so.0 \
  /usr/lib/libopus.so.0 \
  /usr/lib/libvorbis.so.0 \
  /usr/lib/libogg.so.0 \
  /usr/lib/libvorbisenc.so.2 \
  /usr/lib/libgcc_s.so.1 \
  /usr/lib/libstdc++.so.6 \
  /ffmpeg/lib

FROM $BUILD_IMAGE as final

COPY --from=builder /usr/bin/ffmpeg /usr/bin/ffmpeg
COPY --from=builder /ffmpeg/lib/* /usr/lib/

ARG FBDEV_VERSION=0.5.0-r3
ARG V4L_VERSION=1.22.1-r1

RUN apk add --no-cache \
  ca-certificates \
  tzdata \
  alsa-lib \
  xf86-video-fbdev=${FBDEV_VERSION} \
  v4l-utils=${V4L_VERSION} && \
  ffmpeg -buildconf

WORKDIR /tmp
ENTRYPOINT ["/usr/bin/ffmpeg"]
CMD ["-version"]