anchor.diff:  ARG FFMPEG_IMAGE="mwader/static-ffmpeg:5.0.1-3"
   ARG FFMPEG_PATH="/ffmpeg"
  +
  +# this may work for arm32 and other more exotic platforms
  +# see https://hub.docker.com/r/collelog/ffmpeg/tags
  +# ARG FFMPEG_IMAGE=collelog/ffmpeg
  +# ARG FFMPEG_PATH=/usr/local/bin/ffmpeg
   
   FROM ${FFMPEG_IMAGE} as ffmpeg_binary
   
  
positive.code:     git \
      tar \
      wget \
  && echo "---- COMPILE SANDREAS MP4V2 (for sort-title, sort-album and sort-author) ----" \
    && cd /tmp/ \
    && wget "${MP4V2_URL}" -O mp4v2.zip \
    && unzip mp4v2.zip \
  
negative.code: ##############################
  FROM alpine:3.14 as builder
  
  ARG MP4V2_URL="https://github.com/enzo1982/mp4v2/archive/refs/tags/v2.1.1.zip"
  ARG FDK_AAC_VERSION=2.0.1
  ARG FDK_AAC_URL="https://github.com/mstorsjo/fdk-aac/archive/v$FDK_AAC_VERSION.tar.gz"
  ARG FDK_AAC_SHA256="a4142815d8d52d0e798212a5adea54ecf42bcd4eec8092b37a8cb615ace91dc6"
  