diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fc0efb7e..6fd575d5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,147 +4,149 @@ on:
   push:
     paths-ignore:
       - '*.md'
-  pull_request:
-    branches: [ master ]
 
 jobs:
-  build-linux:
-    name: build in native linux
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
+#  build-linux:
+#    name: build in native linux
+#    runs-on: ubuntu-20.04
+#    steps:
+#      - name: Checkout code
+#        uses: actions/checkout@v2
+#
+#      - name: install libva-dev
+#        run: |
+#          sudo apt-get update
+#          sudo apt-get install -y libva-dev
+#
+#      - name: build ffmpeg
+#        run: |
+#          while sleep 300; do echo "=====[ $SECONDS seconds still running ]====="; done &
+#          SKIPINSTALL=yes VERBOSE=yes ./build-ffmpeg --build
+#          kill %1
+#      - name: check shared library
+#        run: |
+#          ldd ./workspace/bin/ffmpeg
+#      - name: test run ffmepg
+#        run: |
+#          ./workspace/bin/ffmpeg -buildconf
+#      - name: clean up
+#        run: |
+#          ./build-ffmpeg --cleanup
 
-      - name: install libva-dev
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libva-dev
+#  build-macos:
+#    name: build in native macOS
+#    runs-on: macos-10.15
+#    steps:
+#      - name: Checkout code
+#        uses: actions/checkout@v2
+#
+#      - name: Use nodejs
+#        uses: actions/setup-node@v1
+#
+#      - name: build ffmpeg
+#        run: |
+#          while sleep 300; do echo "=====[ $SECONDS seconds still running ]====="; done &
+#          SKIPINSTALL=yes VERBOSE=yes ./build-ffmpeg --build
+#          kill %1
+#      - name: check shared library
+#        run: |
+#          otool -L ./workspace/bin/ffmpeg
+#      - name: test run ffmepg
+#        run: |
+#          ./workspace/bin/ffmpeg -buildconf
+#      - name: clean up
+#        run: |
+#          ./build-ffmpeg --cleanup
 
-      - name: build ffmpeg
-        run: |
-          while sleep 300; do echo "=====[ $SECONDS seconds still running ]====="; done &
-          SKIPINSTALL=yes VERBOSE=yes ./build-ffmpeg --build
-          kill %1
-      - name: check shared library
-        run: |
-          ldd ./workspace/bin/ffmpeg
-      - name: test run ffmepg
-        run: |
-          ./workspace/bin/ffmpeg -buildconf
-      - name: clean up
-        run: |
-          ./build-ffmpeg --cleanup
-
-  build-macos:
-    name: build in native macOS
-    runs-on: macos-10.15
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: build ffmpeg
-        run: |
-          while sleep 300; do echo "=====[ $SECONDS seconds still running ]====="; done &
-          SKIPINSTALL=yes VERBOSE=yes ./build-ffmpeg --build
-          kill %1
-      - name: check shared library
-        run: |
-          otool -L ./workspace/bin/ffmpeg
-      - name: test run ffmepg
-        run: |
-          ./workspace/bin/ffmpeg -buildconf
-      - name: clean up
-        run: |
-          ./build-ffmpeg --cleanup
-
-  build-docker:
-    name: build in docker
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: pull base image
-        id: ubuntu_pull
-        run: |
-          docker pull ubuntu:20.04
-      - name: run if ubuntu_pull failed
-        if: failure() && steps.ubuntu_pull.outcome == 'failure'
-        run: |
-          docker pull ubuntu:20.04
-      - name: build ffmpeg
-        run: |
-          docker build -t ffmpeg:ubuntu -f Dockerfile .
-      - name: test run ffmepg
-        run: |
-          docker run --rm ffmpeg:ubuntu -buildconf
-
-  build-cuda-ubuntu-docker:
-    name: build in ubuntu docker with cuda
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: pull base image
-        id: cuda_ubuntu_pull
-        run: |
-          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
-          docker pull ubuntu:20.04
-      - name: run if cuda_ubuntu_pull failed
-        if: failure() && steps.cuda_ubuntu_pull.outcome == 'failure'
-        run: |
-          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
-          docker pull ubuntu:20.04
-      - name: build ffmpeg
-        run: |
-          docker build -t ffmpeg:cuda-ubuntu -f cuda-ubuntu.dockerfile .
-      - name: test run ffmepg
-        run: |
-          docker run --rm ffmpeg:cuda-ubuntu -buildconf
-
-  build-cuda-centos-docker:
-    name: build in centos docker with cuda
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: pull base image
-        id: cuda_centos_pull
-        run: |
-          docker pull nvidia/cuda:11.1-devel-centos8
-          docker pull centos:8
-      - name: run if cuda_centos_pull failed
-        if: failure() && steps.cuda_centos_pull.outcome == 'failure'
-        run: |
-          docker pull nvidia/cuda:11.1-devel-centos8
-          docker pull centos:8
-      - name: build ffmpeg
-        run: |
-          docker build -t ffmpeg:cuda-centos -f cuda-centos.dockerfile .
-      - name: test run ffmepg
-        run: |
-          docker run --rm ffmpeg:cuda-centos -buildconf
-
-  build-full-static:
-    name: full static build in docker
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: pull base image
-        id: cuda_ubuntu_pull
-        run: |
-          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
-      - name: run if cuda_ubuntu_pull failed
-        if: failure() && steps.cuda_ubuntu_pull.outcome == 'failure'
-        run: |
-          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
-      - name: build ffmpeg
-        run: |
-          docker build -t ffmpeg:cuda-static -f full-static.dockerfile .
-      - name: test run ffmepg
-        run: |
-          docker run --rm ffmpeg:cuda-static -buildconf
\ No newline at end of file
+#
+#  build-docker:
+#    name: build in docker
+#    runs-on: ubuntu-20.04
+#    steps:
+#      - name: Checkout code
+#        uses: actions/checkout@v2
+#
+#      - name: pull base image
+#        id: ubuntu_pull
+#        run: |
+#          docker pull ubuntu:20.04
+#      - name: run if ubuntu_pull failed
+#        if: failure() && steps.ubuntu_pull.outcome == 'failure'
+#        run: |
+#          docker pull ubuntu:20.04
+#      - name: build ffmpeg
+#        run: |
+#          docker build -t ffmpeg:ubuntu -f Dockerfile .
+#      - name: test run ffmepg
+#        run: |
+#          docker run --rm ffmpeg:ubuntu -buildconf
+#
+#  build-cuda-ubuntu-docker:
+#    name: build in ubuntu docker with cuda
+#    runs-on: ubuntu-20.04
+#    steps:
+#      - name: Checkout code
+#        uses: actions/checkout@v2
+#
+#      - name: pull base image
+#        id: cuda_ubuntu_pull
+#        run: |
+#          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
+#          docker pull ubuntu:20.04
+#      - name: run if cuda_ubuntu_pull failed
+#        if: failure() && steps.cuda_ubuntu_pull.outcome == 'failure'
+#        run: |
+#          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
+#          docker pull ubuntu:20.04
+#      - name: build ffmpeg
+#        run: |
+#          docker build -t ffmpeg:cuda-ubuntu -f cuda-ubuntu.dockerfile .
+#      - name: test run ffmepg
+#        run: |
+#          docker run --rm ffmpeg:cuda-ubuntu -buildconf
+#
+#  build-cuda-centos-docker:
+#    name: build in centos docker with cuda
+#    runs-on: ubuntu-20.04
+#    steps:
+#      - name: Checkout code
+#        uses: actions/checkout@v2
+#
+#      - name: pull base image
+#        id: cuda_centos_pull
+#        run: |
+#          docker pull nvidia/cuda:11.1-devel-centos8
+#          docker pull centos:8
+#      - name: run if cuda_centos_pull failed
+#        if: failure() && steps.cuda_centos_pull.outcome == 'failure'
+#        run: |
+#          docker pull nvidia/cuda:11.1-devel-centos8
+#          docker pull centos:8
+#      - name: build ffmpeg
+#        run: |
+#          docker build -t ffmpeg:cuda-centos -f cuda-centos.dockerfile .
+#      - name: test run ffmepg
+#        run: |
+#          docker run --rm ffmpeg:cuda-centos -buildconf
+#
+#  build-full-static:
+#    name: full static build in docker
+#    runs-on: ubuntu-20.04
+#    steps:
+#      - name: Checkout code
+#        uses: actions/checkout@v2
+#
+#      - name: pull base image
+#        id: cuda_ubuntu_pull
+#        run: |
+#          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
+#      - name: run if cuda_ubuntu_pull failed
+#        if: failure() && steps.cuda_ubuntu_pull.outcome == 'failure'
+#        run: |
+#          docker pull nvidia/cuda:11.1-devel-ubuntu20.04
+#      - name: build ffmpeg
+#        run: |
+#          docker build -t ffmpeg:cuda-static -f full-static.dockerfile .
+#      - name: test run ffmepg
+#        run: |
+#          docker run --rm ffmpeg:cuda-static -buildconf
diff --git a/.gitignore b/.gitignore
index 4725dcff..e2053e2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ workspace
 .idea
 linux
 .artifacts
+.DS_Store
diff --git a/.node-version b/.node-version
new file mode 100644
index 00000000..9cd25a1f
--- /dev/null
+++ b/.node-version
@@ -0,0 +1 @@
+12.18.3
diff --git a/build-ffmpeg b/build-ffmpeg
index b172de4c..6a6fe024 100755
--- a/build-ffmpeg
+++ b/build-ffmpeg
@@ -4,7 +4,7 @@
 # LICENSE: https://github.com/markus-perl/ffmpeg-build-script/blob/master/LICENSE
 
 PROGNAME=$(basename "$0")
-VERSION=1.20
+VERSION=1.21.rc5
 CWD=$(pwd)
 PACKAGES="$CWD/packages"
 WORKSPACE="$CWD/workspace"
@@ -14,19 +14,33 @@ LDEXEFLAGS=""
 EXTRALIBS="-ldl -lpthread -lm -lz"
 CONFIGURE_OPTIONS=()
 
+is_mac () {
+	if [[ "$OSTYPE" == "darwin"* ]]; then
+		return 0
+	fi
+
+	return 1
+}
+
+# read by gcc and cmake
+# https://cmake.org/cmake/help/latest/variable/CMAKE_OSX_DEPLOYMENT_TARGET.html
+export MACOSX_DEPLOYMENT_TARGET=10.11
+
 # Speed up the process
 # Env Var NUMJOBS overrides automatic detection
 if [[ -n "$NUMJOBS" ]]; then
 	MJOBS="$NUMJOBS"
 elif [[ -f /proc/cpuinfo ]]; then
 	MJOBS=$(grep -c processor /proc/cpuinfo)
-elif [[ "$OSTYPE" == "darwin"* ]]; then
+elif is_mac; then
 	MJOBS=$(sysctl -n machdep.cpu.thread_count)
 	CONFIGURE_OPTIONS=("--enable-videotoolbox")
 else
 	MJOBS=4
 fi
 
+CONFIGURE_OPTIONS+=("--extra-version=beamcube")
+
 make_dir () {
 	remove_dir "$1"
 	if ! mkdir "$1"; then
@@ -142,6 +156,13 @@ library_exists () {
 	return 0
 }
 
+set_mac_install_name () {
+	local name="${2:-$1}"
+	if is_mac; then
+		execute install_name_tool -id "${WORKSPACE}/lib/$name" $1
+	fi
+}
+
 build_done () {
 	touch "$PACKAGES/$1.done"
 }
@@ -184,7 +205,7 @@ while (( $# > 0 )); do
 				cleanup
 			fi
 			if [[ "$1" == "--full-static" || "$1" =~ 'f' ]]; then
-				if [[ "$OSTYPE" == "darwin"* ]]; then
+				if is_mac; then
 					echo "Error: A full static binary can only be build on Linux."
 					exit 1
 				fi
@@ -271,21 +292,16 @@ fi
 
 if build "zlib"; then
 	download "https://www.zlib.net/zlib-1.2.11.tar.gz"
-	execute ./configure --static  --prefix="${WORKSPACE}"
+	execute ./configure --shared --prefix="${WORKSPACE}"
 	execute make -j $MJOBS
 	execute make install
 	build_done "zlib"
 fi
 
-if build "openssl"; then
-	download "https://www.openssl.org/source/openssl-1.1.1h.tar.gz"
-	execute ./config --prefix="${WORKSPACE}" --openssldir="${WORKSPACE}" --with-zlib-include="${WORKSPACE}"/include/ --with-zlib-lib="${WORKSPACE}"/lib no-shared zlib
-	execute make -j $MJOBS
-	execute make install
-
-	build_done "openssl"
+if build "meson"; then
+	execute python3 -m pip install meson ninja
+	build_done "meson"
 fi
-CONFIGURE_OPTIONS+=("--enable-openssl")
 
 if build "cmake"; then
 	download "https://cmake.org/files/v3.18/cmake-3.18.4.tar.gz"
@@ -304,9 +320,9 @@ if build "x264"; then
 	download "https://code.videolan.org/videolan/x264/-/archive/stable/x264-stable.tar.bz2"
 
 	if [[ "$OSTYPE" == "linux-gnu" ]]; then
-		execute ./configure --prefix="${WORKSPACE}" --enable-static --enable-pic CXXFLAGS="-fPIC"
+		execute ./configure --prefix="${WORKSPACE}" --enable-shared --enable-pic CXXFLAGS="-fPIC"
 	else
-		execute ./configure --prefix="${WORKSPACE}" --enable-static --enable-pic
+		execute ./configure --prefix="${WORKSPACE}" --enable-shared --enable-pic
 	fi
 
 	execute make -j $MJOBS
@@ -320,8 +336,11 @@ CONFIGURE_OPTIONS+=("--enable-libx264")
 if build "x265"; then
 	download "https://github.com/videolan/x265/archive/Release_3.5.tar.gz" "x265-3.5.tar.gz"
 	cd build/linux || exit
-	execute cmake -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DENABLE_SHARED=off -DBUILD_SHARED_LIBS=OFF ../../source
+	execute cmake -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DENABLE_SHARED=on -DBUILD_SHARED_LIBS=on ../../source
 	execute make -j $MJOBS
+
+	set_mac_install_name "libx265.198.dylib"
+
 	execute make install
 
 	if [ -n "$LDEXEFLAGS" ]; then
@@ -335,14 +354,21 @@ CONFIGURE_OPTIONS+=("--enable-libx265")
 if build "libvpx"; then
 	download "https://github.com/webmproject/libvpx/archive/v1.9.0.tar.gz" "libvpx-1.9.0.tar.gz"
 
-	if [[ "$OSTYPE" == "darwin"* ]]; then
+	EXTRA_FLAG=""
+
+	if is_mac; then
 		echo "Applying Darwin patch"
 		sed "s/,--version-script//g" build/make/Makefile > build/make/Makefile.patched
 		sed "s/-Wl,--no-undefined -Wl,-soname/-Wl,-undefined,error -Wl,-install_name/g" build/make/Makefile.patched > build/make/Makefile
+		EXTRA_FLAG="--target=x86_64-darwin15-gcc"
 	fi
 
-	execute ./configure --prefix="${WORKSPACE}" --disable-unit-tests --disable-shared --as=yasm
+
+	execute ./configure --prefix="${WORKSPACE}" --disable-unit-tests --enable-shared --disable-static --as=yasm "${EXTRA_FLAG}"
 	execute make -j $MJOBS
+
+	set_mac_install_name "libvpx.6.dylib"
+
 	execute make install
 
 	build_done "libvpx"
@@ -352,7 +378,7 @@ CONFIGURE_OPTIONS+=("--enable-libvpx")
 if build "xvidcore"; then
 	download "https://downloads.xvid.com/downloads/xvidcore-1.3.7.tar.gz"
 	cd build/generic || exit
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 
@@ -370,27 +396,64 @@ CONFIGURE_OPTIONS+=("--enable-libxvid")
 
 if build "vid_stab"; then
 	download "https://github.com/georgmartius/vid.stab/archive/v1.1.0.tar.gz" "vid.stab-1.1.0.tar.gz"
-	execute cmake -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DUSE_OMP=OFF -DENABLE_SHARED=off .
+	execute cmake -DBUILD_SHARED_LIBS=on -DCMAKE_INSTALL_PREFIX:PATH="${WORKSPACE}" -DUSE_OMP=OFF -DENABLE_SHARED=on .
 	execute make
 	execute make install
 
+	set_mac_install_name "${WORKSPACE}/lib/libvidstab.1.1.dylib" "libvidstab.1.1.dylib"
+
 	build_done "vid_stab"
 fi
 CONFIGURE_OPTIONS+=("--enable-libvidstab")
 
+if build "twolame"; then
+	download "https://downloads.sourceforge.net/twolame/twolame-0.4.0.tar.gz"
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
+	execute make -j $MJOBS
+	execute make install
+
+	build_done "twolame"
+fi
+CONFIGURE_OPTIONS+=("--enable-libtwolame")
+
 
 if build "av1"; then
 	download "https://aomedia.googlesource.com/aom/+archive/430d58446e1f71ec2283af0d6c1879bc7a3553dd.tar.gz" "av1.tar.gz" "av1"
 	make_dir "$PACKAGES"/aom_build
 	cd "$PACKAGES"/aom_build || exit
-	execute cmake -DENABLE_TESTS=0 -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DCMAKE_INSTALL_LIBDIR=lib "$PACKAGES"/av1
+	execute cmake -DBUILD_SHARED_LIBS=1 -DENABLE_TESTS=0 -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DCMAKE_INSTALL_LIBDIR=lib "$PACKAGES"/av1
 	execute make -j $MJOBS
+
+	set_mac_install_name "libaom.2.0.0.dylib" "libaom.2.dylib"
+
 	execute make install
 
 	build_done "av1"
 fi
 CONFIGURE_OPTIONS+=("--enable-libaom")
 
+if build "dav1d"; then
+	download "https://code.videolan.org/videolan/dav1d/-/archive/0.7.1/dav1d-0.7.1.tar.gz"
+	make_dir "$PACKAGES"/dav1d_build
+	cd "$PACKAGES"/dav1d_build || exit
+	execute meson --prefix="${WORKSPACE}" ../dav1d-0.7.1
+	execute ninja
+	execute ninja install
+
+	build_done "dav1d"
+fi
+CONFIGURE_OPTIONS+=("--enable-libdav1d")
+
+if build "zimg"; then
+	download "https://github.com/sekrit-twc/zimg/archive/release-3.0.1.tar.gz"
+	execute autoreconf -i
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
+	execute make -j $MJOBS
+	execute make install
+
+	build_done "zimg"
+fi
+CONFIGURE_OPTIONS+=("--enable-libzimg")
 
 ##
 ## audio library
@@ -398,7 +461,7 @@ CONFIGURE_OPTIONS+=("--enable-libaom")
 
 if build "opencore"; then
 	download "https://deac-riga.dl.sourceforge.net/project/opencore-amr/opencore-amr/opencore-amr-0.1.5.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 
@@ -408,7 +471,9 @@ CONFIGURE_OPTIONS+=("--enable-libopencore_amrnb" "--enable-libopencore_amrwb")
 
 if build "lame"; then
 	download "https://netcologne.dl.sourceforge.net/project/lame/lame/3.100/lame-3.100.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+	sed "/lame_init_old/d" include/libmp3lame.sym > include/libmp3lame.sym.patched
+	mv include/libmp3lame.sym.patched include/libmp3lame.sym
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 
@@ -418,7 +483,7 @@ CONFIGURE_OPTIONS+=("--enable-libmp3lame")
 
 if build "opus"; then
 	download "https://archive.mozilla.org/pub/opus/opus-1.3.1.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 
@@ -428,7 +493,7 @@ CONFIGURE_OPTIONS+=("--enable-libopus")
 
 if build "libogg"; then
 	download "https://ftp.osuosl.org/pub/xiph/releases/ogg/libogg-1.3.3.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 	build_done "libogg"
@@ -436,7 +501,7 @@ fi
 
 if build "libvorbis"; then
 	download "https://ftp.osuosl.org/pub/xiph/releases/vorbis/libvorbis-1.3.6.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --with-ogg-libraries="${WORKSPACE}"/lib --with-ogg-includes="${WORKSPACE}"/include/ --enable-static --disable-shared --disable-oggtest
+	OGG_CFLAGS="-I${WORKSPACE}/include/ogg" OGG_LIBS="-L${WORKSPACE}/lib -logg" execute ./configure --prefix="${WORKSPACE}" --with-ogg-libraries="${WORKSPACE}"/lib --with-ogg-includes="${WORKSPACE}"/include/ --disable-static --enable-shared --disable-oggtest
 	execute make -j $MJOBS
 	execute make install
 
@@ -449,7 +514,7 @@ if build "libtheora"; then
 	sed "s/-fforce-addr//g" configure > configure.patched
 	chmod +x configure.patched
 	mv configure.patched configure
-	execute ./configure --prefix="${WORKSPACE}" --with-ogg-libraries="${WORKSPACE}"/lib --with-ogg-includes="${WORKSPACE}"/include/ --with-vorbis-libraries="${WORKSPACE}"/lib --with-vorbis-includes="${WORKSPACE}"/include/ --enable-static --disable-shared --disable-oggtest --disable-vorbistest --disable-examples --disable-asm --disable-spec
+	OGG_CFLAGS="-I${WORKSPACE}/include/ogg" OGG_LIBS="-L${WORKSPACE}/lib -logg" execute ./configure --prefix="${WORKSPACE}" --with-ogg-libraries="${WORKSPACE}"/lib --with-ogg-includes="${WORKSPACE}"/include/ --with-vorbis-libraries="${WORKSPACE}"/lib --with-vorbis-includes="${WORKSPACE}"/include/ --disable-static --enable-shared --disable-oggtest --disable-vorbistest --disable-examples --disable-asm --disable-spec
 	execute make -j $MJOBS
 	execute make install
 
@@ -457,16 +522,38 @@ if build "libtheora"; then
 fi
 CONFIGURE_OPTIONS+=("--enable-libtheora")
 
-if build "fdk_aac"; then
-	download "https://sourceforge.net/projects/opencore-amr/files/fdk-aac/fdk-aac-2.0.1.tar.gz/download?use_mirror=gigenet" "fdk-aac-2.0.1.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+if build "shine"; then
+	download "https://github.com/toots/shine/archive/3.1.1.tar.gz" "shine-3.1.1.tar.gz"
+	execute autoreconf -i
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 
-	build_done "fdk_aac"
+	build_done "shine"
 fi
-CONFIGURE_OPTIONS+=("--enable-libfdk-aac")
+CONFIGURE_OPTIONS+=("--enable-libshine")
+
+if build "soxr"; then
+	download "http://ftp.debian.org/debian/pool/main/libs/libsoxr/libsoxr_0.1.3.orig.tar.xz" "soxr-0.1.3.tar.xz"
+	make_dir build
+	cd build || exit
+	execute cmake .. -DWITH_OPENMP:BOOL=OFF -Wno-dev -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS:BOOL=ON
+	execute make -j $MJOBS
+	execute make install
 
+	build_done "soxr"
+fi
+CONFIGURE_OPTIONS+=("--enable-libsoxr")
+
+if build "speex"; then
+	download "http://downloads.us.xiph.org/releases/speex/speex-1.2.0.tar.gz"
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
+	execute make -j $MJOBS
+	execute make install
+
+	build_done "speex"
+fi
+CONFIGURE_OPTIONS+=("--enable-libspeex")
 
 ##
 ## image library
@@ -476,7 +563,7 @@ if build "libwebp"; then
 	download "https://github.com/webmproject/libwebp/archive/v1.1.0.tar.gz" "libwebp-1.1.0.tar.gz"
 	make_dir build
 	cd build || exit
-	execute cmake -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_INSTALL_BINDIR=bin -DCMAKE_INSTALL_INCLUDEDIR=include -DENABLE_SHARED=OFF -DENABLE_STATIC=ON ../
+	execute cmake -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_INSTALL_BINDIR=bin -DCMAKE_INSTALL_INCLUDEDIR=include -DENABLE_SHARED=ON -DENABLE_STATIC=OFF ../
 	execute make -j $MJOBS
 	execute make install
 
@@ -484,6 +571,18 @@ if build "libwebp"; then
 fi
 CONFIGURE_OPTIONS+=("--enable-libwebp")
 
+if build "openjpeg"; then
+	download "https://github.com/uclouvain/openjpeg/archive/v2.3.1.tar.gz" "openjpeg-v2.3.1.tar.gz"
+	make_dir build
+	cd build || exit
+	execute cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DBUILD_SHARED_LIBS:bool=on
+	execute make -j $MJOBS
+	execute make install
+
+	build_done "openjpeg"
+fi
+CONFIGURE_OPTIONS+=("--enable-libopenjpeg")
+
 
 ##
 ## other library
@@ -491,29 +590,36 @@ CONFIGURE_OPTIONS+=("--enable-libwebp")
 
 if build "libsdl"; then
 	download "https://www.libsdl.org/release/SDL2-2.0.12.tar.gz"
-	execute ./configure --prefix="${WORKSPACE}" --disable-shared --enable-static
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
 	execute make -j $MJOBS
 	execute make install
 
 	build_done "libsdl"
 fi
 
-if build "srt"; then
-	download "https://github.com/Haivision/srt/archive/v1.4.1.tar.gz" "srt-1.4.1.tar.gz"
-	export OPENSSL_ROOT_DIR="${WORKSPACE}"
-	export OPENSSL_LIB_DIR="${WORKSPACE}"/lib
-	export OPENSSL_INCLUDE_DIR="${WORKSPACE}"/include/
-	execute cmake . -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_INSTALL_BINDIR=bin -DCMAKE_INSTALL_INCLUDEDIR=include -DENABLE_SHARED=OFF -DENABLE_STATIC=ON -DENABLE_APPS=OFF -DUSE_STATIC_LIBSTDCXX=ON
-	execute make install
+if build "snappy"; then
+	download "https://github.com/google/snappy/archive/1.1.8.tar.gz"
+	make_dir build
+	cd build || exit
+	execute cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="${WORKSPACE}" -DBUILD_SHARED_LIBS:bool=on
+	execute make -j $MJOBS
 
-	if [ -n "$LDEXEFLAGS" ]; then
-		sed -i.backup 's/-lgcc_s/-lgcc_eh/g' "${WORKSPACE}"/lib/pkgconfig/srt.pc # The -i.backup is intended and required on MacOS: https://stackoverflow.com/questions/5694228/sed-in-place-flag-that-works-both-on-mac-bsd-and-linux
-	fi
+	set_mac_install_name "libsnappy.1.1.8.dylib" "libsnappy.1.dylib"
+
+	execute make install
 
-	build_done "srt"
+	build_done "snappy"
 fi
-CONFIGURE_OPTIONS+=("--enable-libsrt")
+CONFIGURE_OPTIONS+=("--enable-libsnappy")
 
+if build "xz"; then
+	download "https://tukaani.org/xz/xz-5.2.5.tar.gz"
+	execute ./configure --prefix="${WORKSPACE}" --enable-shared --disable-static
+	execute make -j $MJOBS
+	execute make install
+
+	build_done "xz"
+fi
 
 ##
 ## HWaccel library
@@ -562,12 +668,10 @@ download "https://ffmpeg.org/releases/ffmpeg-4.3.1.tar.bz2"
 ./configure "${CONFIGURE_OPTIONS[@]}" \
 	--disable-debug \
 	--disable-doc \
-	--disable-shared \
+	--disable-static \
 	--enable-gpl \
-	--enable-nonfree \
 	--enable-pthreads \
-	--enable-static \
-	--enable-small \
+	--enable-shared \
 	--enable-version3 \
 	--extra-cflags="${CFLAGS}" \
 	--extra-ldexeflags="${LDEXEFLAGS}" \
@@ -581,7 +685,7 @@ execute make -j $MJOBS
 execute make install
 
 INSTALL_FOLDER="/usr/bin"
-if [[ "$OSTYPE" == "darwin"* ]]; then
+if is_mac; then
 INSTALL_FOLDER="/usr/local/bin"
 fi
 
@@ -597,12 +701,12 @@ if [[ "$AUTOINSTALL" == "yes" ]]; then
 	if command_exists "sudo"; then
 		sudo cp "$WORKSPACE/bin/ffmpeg" "$INSTALL_FOLDER/ffmpeg"
 		sudo cp "$WORKSPACE/bin/ffprobe" "$INSTALL_FOLDER/ffprobe"
-    sudo cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
+		sudo cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
 		echo "Done. FFmpeg is now installed to your system."
 	else
 		cp "$WORKSPACE/bin/ffmpeg" "$INSTALL_FOLDER/ffmpeg"
 		cp "$WORKSPACE/bin/ffprobe" "$INSTALL_FOLDER/ffprobe"
-    sudo cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
+		sudo cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
 		echo "Done. FFmpeg is now installed to your system."
 	fi
 elif [[ ! "$SKIPINSTALL" == "yes" ]]; then
@@ -612,15 +716,22 @@ elif [[ ! "$SKIPINSTALL" == "yes" ]]; then
 		if command_exists "sudo"; then
 			sudo cp "$WORKSPACE/bin/ffmpeg" "$INSTALL_FOLDER/ffmpeg"
 			sudo cp "$WORKSPACE/bin/ffprobe" "$INSTALL_FOLDER/ffprobe"
-      sudo cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
+			sudo cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
 		else
 			cp "$WORKSPACE/bin/ffmpeg" "$INSTALL_FOLDER/ffmpeg"
 			cp "$WORKSPACE/bin/ffprobe" "$INSTALL_FOLDER/ffprobe"
-      cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
+			cp "$WORKSPACE/bin/ffplay" "$INSTALL_FOLDER/ffplay"
 		fi
 		echo "Done. FFmpeg is now installed to your system."
 		;;
 	esac
 fi
 
+cd $CWD
+if is_mac; then
+	node copy_mac_libs.js
+	cd "$WORKSPACE/mac"
+	execute zip --symlinks -r "ffmpeg-ffprobe-shared-darwin-x86_64.${VERSION}.zip" *
+fi
+
 exit 0
diff --git a/config-target.txt b/config-target.txt
new file mode 100644
index 00000000..12edcbef
--- /dev/null
+++ b/config-target.txt
@@ -0,0 +1,48 @@
+❌ don't need
+✅ already in ffmpeg-build-script build
+🕒 need to add to ffmpeg-build-script
+
+Target (evermeet.cx static build)
+--cc=/usr/bin/clang
+--prefix=/opt/ffmpeg
+--extra-version=tessus
+❌ --enable-avisynth - non-linear editing
+❌ --enable-fontconfig
+✅ --enable-gpl
+✅ --enable-libaom
+❌ --enable-libass
+❌ --enable-libbluray - bluray playback
+🕒✅ --enable-libdav1d
+❌ --enable-libfreetype - text rendering
+❌ --enable-libgsm - GSM audio
+❌ --enable-libmodplug - midi/instrument support https://github.com/Konstanty/libmodplug
+✅ --enable-libmp3lame
+❌ --enable-libmysofa - spatial audio
+✅ --enable-libopencore-amrnb
+✅ --enable-libopencore-amrwb
+🕒✅ --enable-libopenh264
+🕒✅ --enable-libopenjpeg
+✅ --enable-libopus
+❌ --enable-librubberband - time stretching
+🕒✅ --enable-libshine - mp3 encoder
+🕒✅ --enable-libsnappy - compression/decompression
+🕒✅ --enable-libsoxr - resampling
+🕒✅ --enable-libspeex - speex audio file format
+✅ --enable-libtheora
+🕒✅ --enable-libtwolame - mpeg2
+✅ --enable-libvidstab
+❌ --enable-libvmaf - perceptual video quality metric
+❌ --enable-libvo-amrwbenc - VisualOn AMR-WB encoder library
+✅ --enable-libvorbis
+✅ --enable-libvpx
+✅ --enable-libwebp
+✅ --enable-libx264
+✅ --enable-libx265
+❌ --enable-libxavs - AV standard of China
+✅ --enable-libxvid
+🕒✅ --enable-libzimg - Scaling, colorspace conversion, and dithering library
+❌ --enable-libzmq - ZeroMQ Support To Let Multiple Clients Connect To A Single Instance (streaming)
+❌ --enable-libzvbi - capture and decode VBI (vertical blanking interval) data
+✅ --enable-version3
+--pkg-config-flags=--static
+--disable-ffplay
diff --git a/copy_mac_libs.js b/copy_mac_libs.js
new file mode 100644
index 00000000..2edd9c93
--- /dev/null
+++ b/copy_mac_libs.js
@@ -0,0 +1,99 @@
+const { resolve, basename } = require('path');
+const { mkdirSync, readlinkSync, readdirSync } = require('fs');
+const { execSync } = require('child_process');
+
+function logAndExec(cmd) {
+  console.log(`EXEC ${cmd}`);
+  execSync(cmd);
+}
+
+const baseIncludesDir = resolve(__dirname, 'workspace/include');
+const baseBinDir = resolve(__dirname, 'workspace/bin');
+const baseLibDir = resolve(__dirname, 'workspace/lib');
+const destDir = resolve(__dirname, 'workspace/mac');
+
+try {
+  logAndExec(`rm -r ${destDir}`);
+} catch (err) {
+  //
+}
+logAndExec(`mkdir -p ${destDir}`);
+
+const skippedLibs = new Set();
+const copiedLibs = new Set();
+const missingLibs = new Set();
+const namesWithoutVersion = new Set();
+
+function copyDylibs(binaryName, base = baseBinDir) {
+  const origPath = resolve(base, binaryName);
+  const binaryPath = resolve(destDir, binaryName);
+
+  logAndExec(`cp -a ${origPath} ${binaryPath}`);
+
+  const lines = execSync(`otool -L ${binaryPath}`).toString('utf8').split('\n');
+  const libsToRewrite = [];
+  for (const line of lines) {
+    const match = /[^\s:]+/.exec(line);
+    if (!match) {
+      continue;
+    }
+    const [path] = match;
+    if (path.startsWith('/usr/local')) {
+      missingLibs.add(path);
+    } else if (path.startsWith('/Users')) {
+      const filename = basename(path);
+      const newFilename = resolve(destDir, filename);
+      if (!copiedLibs.has(path)) {
+        copiedLibs.add(path);
+        copiedLibs.add(newFilename);
+        if (path !== newFilename) {
+          // copy sym-linked libraries as well
+          let nameWithoutVersion = filename.split('.')[0];
+          // libSDL2 weirdly has hypthen after then name (i.e., libSDL2-2.0.0.dylib)
+          if (filename.includes('libSDL2')) {
+            nameWithoutVersion = 'libSDL2';
+          }
+          namesWithoutVersion.add(nameWithoutVersion);
+          const nameWithoutVersionLib = `${nameWithoutVersion}.dylib`;
+          logAndExec(`cp -a ${resolve(baseLibDir, nameWithoutVersion)}*.dylib ${destDir}/.`);
+
+          copyDylibs(filename, baseLibDir);
+        }
+      }
+      libsToRewrite.push({path, filename});
+    } else {
+      skippedLibs.add(path);
+    }
+  }
+
+  // find the non-sym-linked version of this library
+  let actualBinaryPath = binaryPath;
+  try {
+    const actualBinaryName = readlinkSync(binaryPath);
+    actualBinaryPath = resolve(destDir, actualBinaryName);
+  } catch (err) {
+    //
+  }
+
+  if (libsToRewrite.length > 0) {
+    logAndExec(`install_name_tool -id @loader_path/${binaryName} ${libsToRewrite.map(({path, filename}) => `-change ${path} @loader_path/${filename}`).join(' ')} ${actualBinaryPath}`);
+  }
+}
+
+copyDylibs('ffmpeg');
+copyDylibs('ffprobe');
+
+console.log('Copying includes');
+logAndExec(`cp -r ${baseIncludesDir} ${destDir}/.`);
+
+for (const lib of Array.from(skippedLibs).sort()) {
+  console.log(`[NOTE] skipped ${lib}`);
+}
+for (const lib of Array.from(copiedLibs).sort()) {
+  if (!lib.startsWith(destDir)) {
+    console.log(`Copied ${lib}`);
+  }
+}
+for (const lib of Array.from(missingLibs).sort()) {
+  console.log(`[WARNING] missing ${lib}`);
+}