Dockerfile

# syntax=docker/dockerfile:1

# bump: aom /AOM_VERSION=([\d.]+)/ git:https://aomedia.googlesource.com/aom|*
# bump: aom after ./hashupdate Dockerfile AOM $LATEST
# bump: aom after COMMIT=$(git ls-remote https://aomedia.googlesource.com/aom v$LATEST^{} | awk '{print $1}') && sed -i -E "s/^ARG AOM_COMMIT=.*/ARG AOM_COMMIT=$COMMIT/" Dockerfile
# bump: aom link "CHANGELOG" https://aomedia.googlesource.com/aom/+/refs/tags/v$LATEST/CHANGELOG
ARG AOM_VERSION=3.6.0
ARG AOM_URL="https://aomedia.googlesource.com/aom"
ARG AOM_COMMIT=3c65175b1972da4a1992c1dae2365b48d13f9a8d

# Must be specified
ARG ALPINE_VERSION

# Can be specified as anything@sha256:<hash>
ARG LIBVMAF_VERSION=main

FROM alpine:${ALPINE_VERSION} AS base

FROM ghcr.io/ffbuilds/static-libvmaf-alpine_${ALPINE_VERSION}:${LIBVMAF_VERSION} AS vmaf

FROM base AS download
ARG AOM_VERSION
ARG AOM_URL
ARG AOM_COMMIT
WORKDIR /tmp
RUN \
  apk add --no-cache --virtual download \
    git && \
  git clone --depth 1 --branch v$AOM_VERSION "$AOM_URL" && \
  cd aom && test $(git rev-parse HEAD) = $AOM_COMMIT && \
  apk del download

FROM base AS build
COPY --from=download /tmp/aom/ /tmp/aom/
COPY --from=vmaf /usr/local/lib/pkgconfig/libvmaf.pc /usr/local/lib/pkgconfig/libvmaf.pc
COPY --from=vmaf /usr/local/lib/libvmaf.a /usr/local/lib/libvmaf.a
COPY --from=vmaf /usr/local/include/libvmaf/ /usr/local/include/libvmaf/
ARG TARGETPLATFORM
WORKDIR /tmp/aom/build_tmp
RUN \
  case ${TARGETPLATFORM} in \
    linux/arm/v*) \
      # Fails on https://gist.github.com/binoculars/4e743eb4c822f336d0b3e0b056caafaf
      # Fake it 'til we make it
      touch /usr/local/lib/pkgconfig/aom.pc && \
      touch /usr/local/lib/libaom.a && \
      mkdir -p /usr/local/include/aom/ && \
      exit 0 \
    ;; \
  esac && \
  apk add --no-cache --virtual build \
    build-base cmake yasm nasm perl pkgconf && \
  cmake \
    -G"Unix Makefiles" \
    -DCMAKE_VERBOSE_MAKEFILE=ON \
    -DCMAKE_BUILD_TYPE=Release \
    -DBUILD_SHARED_LIBS=OFF \
    -DENABLE_EXAMPLES=NO \
    -DENABLE_DOCS=NO \
    -DENABLE_TESTS=NO \
    -DENABLE_TOOLS=NO \
    -DCONFIG_TUNE_VMAF=1 \
    -DENABLE_NASM=ON \
    -DCMAKE_INSTALL_LIBDIR=lib \
    .. && \
  make -j$(nproc) install && \
  # Sanity tests
  pkg-config --exists --modversion --path aom && \
  ar -t /usr/local/lib/libaom.a && \
  readelf -h /usr/local/lib/libaom.a && \
  # Cleanup
  apk del build

FROM scratch
ARG AOM_VERSION
COPY --from=build /usr/local/lib/pkgconfig/aom.pc /usr/local/lib/pkgconfig/aom.pc
COPY --from=build /usr/local/lib/libaom.a /usr/local/lib/libaom.a
COPY --from=build /usr/local/include/aom/ /usr/local/include/aom/