Compile ffmpeg on 32-bit Raspberry Pi 4

ffmpeg-rpi-4.sh

#!/bin/bash
#
# Compile ffmpeg on 32-bit Raspberry Pi 4
#
# Usage
# =====
# ./ffmpeg-rpi-4.sh
# or
# curl -L "https://git.io/JvgLF" | bash

TMPDIR="$(mktemp -d)"

function cleanup {
        rm -rf "${TMPDIR}"
}

trap cleanup EXIT

# Install Dependencies
sudo apt-get update -qq && sudo apt-get -y install \
    autoconf \
    automake \
    build-essential \
    cmake \
    doxygen \
    git \
    graphviz \
    imagemagick \
    libasound2-dev \
    libass-dev \
    libavcodec-dev \
    libavdevice-dev \
    libavfilter-dev \
    libavformat-dev \
    libavutil-dev \
    libfreetype6-dev \
    libgmp-dev \
    libmp3lame-dev \
    libopencore-amrnb-dev \
    libopencore-amrwb-dev \
    libopus-dev \
    librtmp-dev \
    libsdl2-dev \
    libsdl2-image-dev \
    libsdl2-mixer-dev \
    libsdl2-net-dev \
    libsdl2-ttf-dev \
    libsnappy-dev \
    libsoxr-dev \
    libssh-dev \
    libssl-dev \
    libtool \
    libv4l-dev \
    libva-dev \
    libvdpau-dev \
    libvo-amrwbenc-dev \
    libvorbis-dev \
    libwebp-dev \
    libx264-dev \
    libx265-dev \
    libxcb-shape0-dev \
    libxcb-shm0-dev \
    libxcb-xfixes0-dev \
    libxcb1-dev \
    libxml2-dev \
    lzma-dev \
    meson \
    nasm \
    pkg-config \
    python3-dev \
    python3-pip \
    texinfo \
    wget \
    yasm \
    zlib1g-dev

# To disable remove --enable-libfdk-aac
git clone --depth 1 https://github.com/mstorsjo/fdk-aac "${TMPDIR}/fdk-aac" && cd "${TMPDIR}/fdk-aac" \
    && autoreconf -fiv \
    && ./configure \
    && make -j$(nproc) \
    && sudo make install

# To disable remove --enable-libdav1d
git clone --depth 1 https://code.videolan.org/videolan/dav1d.git "${TMPDIR}/dav1d" && mkdir "${TMPDIR}/dav1d/build" && cd "${TMPDIR}/dav1d/build" \
    && meson .. \
    && ninja \
    && sudo ninja install

# To disable remove --enable-libkvazaar
git clone --depth 1 https://github.com/ultravideo/kvazaar.git "${TMPDIR}/kvazaar" && cd "${TMPDIR}/kvazaar" \
    && ./autogen.sh \
    && ./configure \
    && make -j$(nproc) \
    && sudo make install

# To disable remove --enable-libvpx
git clone --depth 1 https://chromium.googlesource.com/webm/libvpx "${TMPDIR}/libvpx" && cd "${TMPDIR}/libvpx" \
    && ./configure --disable-examples \
    && make -j$(nproc) \
    && sudo make install

# To disable remove --enable-libaom
git clone --depth 1 https://aomedia.googlesource.com/aom "${TMPDIR}/aom" && mkdir "${TMPDIR}/aom/aom_build" && cd "${TMPDIR}/aom/aom_build" \
    && git checkout $(git rev-list -1 --before="Dec 15 2019" master) \
    && cmake -G "Unix Makefiles" AOM_SRC -DENABLE_NASM=on -DPYTHON_EXECUTABLE="$(which python3)" -DCMAKE_C_FLAGS="-mfpu=vfp -mfloat-abi=hard" .. \
    && sed -i 's/ENABLE_NEON:BOOL=ON/ENABLE_NEON:BOOL=OFF/' CMakeCache.txt \
    && make -j$(nproc) \
    && sudo make install

# To disable, remove --enable-libdrm
git clone --depth 1 https://github.com/robclark/libdrm.git "${TMPDIR}/libdrm" && cd "${TMPDIR}/libdrm" \
  && ./autogen.sh \
  && ./configure \
  && sed -i 's/stat.h>/stat.h>\n#include <sys\/sysmacros.h>/' libkms/linux.c \
  && make -j$(nproc) \
  && sudo make install
  
# To disable, remove --enable-libzimg
git clone --depth 1 https://github.com/sekrit-twc/zimg.git "${TMPDIR}/zimg" && cd "${TMPDIR}/zimg" \
  && ./autogen.sh \
  && ./configure \
  && make -j$(nproc) \
  && sudo make install

# Compile FFmpeg
git clone --depth 1 https://github.com/FFmpeg/FFmpeg.git "${TMPDIR}/FFmpeg" && cd "${TMPDIR}/FFmpeg" \
    && ./configure \
        --extra-cflags="-I/usr/local/include" \
        --extra-ldflags="-L/usr/local/lib" \
        --extra-libs="-lpthread -lm" \
        --arch=armel \
        --enable-gmp \
        --enable-gpl \
        --enable-libaom \
        --enable-libass \
        --enable-libdav1d \
        --enable-libdrm \
        --enable-libfdk-aac \
        --enable-libfreetype \
        --enable-libkvazaar \
        --enable-libmp3lame \
        --enable-libopencore-amrnb \
        --enable-libopencore-amrwb \
        --enable-libopus \
        --enable-librtmp \
        --enable-libsnappy \
        --enable-libsoxr \
        --enable-libssh \
        --enable-libvorbis \
        --enable-libvpx \
        --enable-libwebp \
        --enable-libzimg \
        --enable-libx264 \
        --enable-libx265 \
        --enable-libxml2 \
        --enable-mmal \
        --enable-nonfree \
        --enable-omx \
        --enable-omx-rpi \
        --enable-version3 \
        --target-os=linux \
        --enable-pthreads \
        --enable-openssl \
        --enable-hardcoded-tables \
    && make -j$(nproc) \
    && sudo make install