anchor.diff:      git \
       tar \
       wget \
  -&& echo "---- COMPILE SANDREAS MP4V2 (for sort-title, sort-album and sort-author) ----" \
  +&& echo "---- COMPILE MP4V2 ----" \
     && cd /tmp/ \
     && wget "${MP4V2_URL}" -O mp4v2.zip \
     && unzip mp4v2.zip \
  
positive.code: ARG FFMPEG_IMAGE="mwader/static-ffmpeg:5.0.1-3"
  ARG FFMPEG_PATH="/ffmpeg"
  
  FROM ${FFMPEG_IMAGE} as ffmpeg_binary
  
  
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"
  