diff --git a/Dockerfile b/Dockerfile
index b364e2a..2939542 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,16 +6,18 @@ ARG EXTRA_CFLAGS
 ARG EXTRA_LDFLAGS
 ARG FFMPEG_ST
 ARG FFMPEG_MT
-ENV INSTALL_DIR=/build
+ENV INSTALL_DIR=/opt
 ENV FFMPEG_VERSION=n5.1
 ENV CFLAGS="-I$INSTALL_DIR/include $CFLAGS $EXTRA_CFLAGS"
 ENV CXXFLAGS="$CFLAGS"
-ENV LDFLAGS="$LDFLAGS $CFLAGS $EXTRA_LDFLAGS"
+ENV LDFLAGS="-L$INSTALL_DIR/lib $LDFLAGS $CFLAGS $EXTRA_LDFLAGS"
 ENV EM_PKG_CONFIG_PATH=$EM_PKG_CONFIG_PATH:$INSTALL_DIR/lib/pkgconfig:/emsdk/upstream/emscripten/system/lib/pkgconfig
 ENV EM_TOOLCHAIN_FILE=$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake
 ENV PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$EM_PKG_CONFIG_PATH
 ENV FFMPEG_ST=$FFMPEG_ST
 ENV FFMPEG_MT=$FFMPEG_MT
+RUN apt-get update && \
+      apt-get install -y pkg-config autoconf automake libtool ragel
 
 # Build x264
 FROM emsdk-base AS x264-builder
@@ -31,6 +33,13 @@ ADD https://github.com/ffmpegwasm/x265.git#$X265_BRANCH /src
 COPY build/x265.sh /src/build.sh
 RUN bash -x /src/build.sh
 
+# Build libvpx
+FROM emsdk-base AS libvpx-builder
+ENV LIBVPX_BRANCH=v1.9.0
+ADD https://github.com/ffmpegwasm/libvpx.git#$LIBVPX_BRANCH /src
+COPY build/libvpx.sh /src/build.sh
+RUN bash -x /src/build.sh
+
 # Build lame
 FROM emsdk-base AS lame-builder
 ENV LAME_BRANCH=master
@@ -38,15 +47,95 @@ ADD https://github.com/ffmpegwasm/lame.git#$LAME_BRANCH /src
 COPY build/lame.sh /src/build.sh
 RUN bash -x /src/build.sh
 
+# Build ogg
+FROM emsdk-base AS ogg-builder
+ENV OGG_BRANCH=v1.3.4
+ADD https://github.com/ffmpegwasm/Ogg.git#$OGG_BRANCH /src
+COPY build/ogg.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build theora
+FROM emsdk-base AS theora-builder
+COPY --from=ogg-builder $INSTALL_DIR $INSTALL_DIR
+ENV THEORA_BRANCH=v1.1.1
+ADD https://github.com/ffmpegwasm/theora.git#$THEORA_BRANCH /src
+COPY build/theora.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build opus
+FROM emsdk-base AS opus-builder
+ENV OPUS_BRANCH=v1.3.1
+ADD https://github.com/ffmpegwasm/opus.git#$OPUS_BRANCH /src
+COPY build/opus.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build vorbis
+FROM emsdk-base AS vorbis-builder
+COPY --from=ogg-builder $INSTALL_DIR $INSTALL_DIR
+ENV VORBIS_BRANCH=v1.3.3
+ADD https://github.com/ffmpegwasm/vorbis.git#$VORBIS_BRANCH /src
+COPY build/vorbis.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build zlib
+FROM emsdk-base AS zlib-builder
+ENV ZLIB_BRANCH=v1.2.11
+ADD https://github.com/ffmpegwasm/zlib.git#$ZLIB_BRANCH /src
+COPY build/zlib.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build libwebp
+FROM emsdk-base AS libwebp-builder
+COPY --from=zlib-builder $INSTALL_DIR $INSTALL_DIR
+ENV LIBWEBP_BRANCH=v1.1.0
+ADD https://github.com/ffmpegwasm/libwebp.git#$LIBWEBP_BRANCH /src
+COPY build/libwebp.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build freetype2
+FROM emsdk-base AS freetype2-builder
+ENV FREETYPE2_BRANCH=VER-2-10-4
+ADD https://github.com/ffmpegwasm/freetype2.git#$FREETYPE2_BRANCH /src
+COPY build/freetype2.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build fribidi
+FROM emsdk-base AS fribidi-builder
+ENV FRIBIDI_BRANCH=v1.0.9
+ADD https://github.com/fribidi/fribidi.git#$FRIBIDI_BRANCH /src
+COPY build/fribidi.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build harfbuzz
+FROM emsdk-base AS harfbuzz-builder
+ENV HARFBUZZ_BRANCH=5.2.0
+ADD https://github.com/harfbuzz/harfbuzz.git#$HARFBUZZ_BRANCH /src
+COPY build/harfbuzz.sh /src/build.sh
+RUN bash -x /src/build.sh
+
+# Build libass
+FROM emsdk-base AS libass-builder
+COPY --from=freetype2-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=fribidi-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=harfbuzz-builder $INSTALL_DIR $INSTALL_DIR
+ENV LIBASS_BRANCH=0.15.0
+ADD https://github.com/libass/libass.git#$LIBASS_BRANCH /src
+COPY build/libass.sh /src/build.sh
+RUN bash -x /src/build.sh
+
 # Base ffmpeg image with dependencies and source code populated.
 FROM emsdk-base AS ffmpeg-base
-RUN apt-get update && \
-      apt-get install -y pkg-config
 RUN embuilder build sdl2 sdl2-mt
 ADD https://github.com/FFmpeg/FFmpeg.git#$FFMPEG_VERSION /src
 COPY --from=x264-builder $INSTALL_DIR $INSTALL_DIR
 COPY --from=x265-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=libvpx-builder $INSTALL_DIR $INSTALL_DIR
 COPY --from=lame-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=opus-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=theora-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=vorbis-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=libwebp-builder $INSTALL_DIR $INSTALL_DIR
+COPY --from=libass-builder $INSTALL_DIR $INSTALL_DIR
 
 # Build ffmpeg
 FROM ffmpeg-base AS ffmpeg-builder
@@ -55,14 +144,23 @@ RUN bash -x /src/build.sh \
       --enable-gpl \
       --enable-libx264 \
       --enable-libx265 \
-      --enable-libmp3lame
+      --enable-libvpx \
+      --enable-libmp3lame \
+      --enable-libtheora \
+      --enable-libvorbis \
+      --enable-libopus \
+      --enable-zlib \
+      --enable-libwebp \
+      --enable-libfreetype \
+      --enable-libfribidi \
+      --enable-libass
 
 # Build ffmpeg.wasm
 FROM ffmpeg-builder AS ffmpeg-wasm-builder
 COPY src/bind /src/src/bind
 COPY src/fftools /src/src/fftools
 COPY build/ffmpeg-wasm.sh build.sh
-ENV FFMPEG_LIBS="-lx264 -lx265 -lmp3lame"
+ENV FFMPEG_LIBS="-lx264 -lx265 -lvpx -lmp3lame -logg -ltheora -lvorbis -lvorbisenc -lvorbisfile -lopus -lz -lwebp -lfreetype -lfribidi -lharfbuzz -lass"
 RUN mkdir -p /src/dist/umd && bash -x /src/build.sh \
       ${FFMPEG_LIBS} \
       -o dist/umd/ffmpeg-core.js
diff --git a/build/aom.sh b/build/aom.sh
new file mode 100755
index 0000000..256907e
--- /dev/null
+++ b/build/aom.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CM_FLAGS=(
+  -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR           # assign lib and include install path
+  -DCMAKE_TOOLCHAIN_FILE=$EM_TOOLCHAIN_FILE     # use emscripten toolchain file
+  -DBUILD_SHARED_LIBS=0                         # disable shared library build
+  -DAOM_TARGET_CPU=generic                      # use generic cpu
+  -DENABLE_DOCS=0                               # disable docs
+  -DENABLE_TESTS=0                              # disable tests
+  -DENABLE_EXAMPLES=0                           # disable examples
+  -DENABLE_TOOLS=0                              # disable tools
+  -DCONFIG_RUNTIME_CPU_DETECT=0                 # disable cpu detect
+  -DCONFIG_WEBM_IO=0                            # disable libwebm support
+)
+
+CMBUILD_DIR=cmbuild
+rm -rf $CMBUILD_DIR
+mkdir -p $CMBUILD_DIR
+cd $CMBUILD_DIR
+
+emmake cmake .. \
+  -DAOM_EXTRA_C_FLAGS="$CFLAGS" \
+  -DAOM_EXTRA_CXX_FLAGS="$CFLAGS" \
+  ${CM_FLAGS[@]}
+emmake make install -j
diff --git a/build/ffmpeg.sh b/build/ffmpeg.sh
index 486111a..da89c45 100755
--- a/build/ffmpeg.sh
+++ b/build/ffmpeg.sh
@@ -15,7 +15,7 @@ CONF_FLAGS=(
   --disable-autodetect          # disable env auto detect
 
   # assign toolchains and extra flags
-  --nm="llvm-nm"
+  --nm=emnm
   --ar=emar
   --ranlib=emranlib
   --cc=emcc
diff --git a/build/freetype2.sh b/build/freetype2.sh
new file mode 100755
index 0000000..4600b70
--- /dev/null
+++ b/build/freetype2.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                               # install library in a build directory for FFmpeg to include
+  --host=x86_64-gnu                                   # use i686 linux
+  --enable-shared=no                                  # not to build shared library
+  --without-harfbuzz                                  # disable harfbuzz as incompatible
+)
+emconfigure ./autogen.sh
+emconfigure ./configure "${CONF_FLAGS[@]}"
+# build apinames manually to prevent it built by emcc
+gcc -o objs/apinames src/tools/apinames.c
+emmake make install -j
diff --git a/build/fribidi.sh b/build/fribidi.sh
new file mode 100755
index 0000000..27ed999
--- /dev/null
+++ b/build/fribidi.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                               # install library in a build directory for FFmpeg to include
+  --host=x86_64-linux
+  --enable-shared=no                                  # not to build shared library
+  --enable-static=yes
+  --disable-dependency-tracking
+  --disable-debug
+)
+emconfigure ./autogen.sh "${CONF_FLAGS[@]}"
+# A hacky to fix "Too many symbolic links" error
+emmake make install -j || true
+mkdir -p $INSTALL_DIR/lib/pkgconfig && cp fribidi.pc $INSTALL_DIR/lib/pkgconfig/
diff --git a/build/harfbuzz.sh b/build/harfbuzz.sh
new file mode 100755
index 0000000..459cb0d
--- /dev/null
+++ b/build/harfbuzz.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CFLAGS="$CFLAGS -DHB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR"
+
+# A hacky way to disable pthread
+if [[ "$FFMPEG_ST" == "yes" ]]; then
+  sed -i 's#\[have_pthread=true\]#\[have_pthread=false\]#g' configure.ac
+else
+  sed -i 's#\[have_pthread=false\]#\[have_pthread=true\]#g' configure.ac
+fi
+CXXFLAGS=$CFLAGS
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                                 # install library in a build directory for FFmpeg to include
+  --host=i686-gnu                                     # use i686 linux
+  --enable-shared=no                                  # not to build shared library
+  --enable-static 
+)
+
+emconfigure ./autogen.sh "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/libass.sh b/build/libass.sh
new file mode 100755
index 0000000..ffe91e2
--- /dev/null
+++ b/build/libass.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                               # install library in a build directory for FFmpeg to include
+  --host=i686-gnu                                     # use i686 linux
+  --disable-shared
+  --enable-static
+  --disable-asm                                       # disable asm optimization
+  --disable-fontconfig
+  --disable-require-system-font-provider
+)
+
+./autogen.sh && emconfigure ./configure "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/libvpx.sh b/build/libvpx.sh
new file mode 100755
index 0000000..727ba8b
--- /dev/null
+++ b/build/libvpx.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                              # install library in a build directory for FFmpeg to include
+  --target=generic-gnu                               # target with miminal features
+  --disable-install-bins                             # not to install bins
+  --disable-examples                                 # not to build examples
+  --disable-tools                                    # not to build tools
+  --disable-docs                                     # not to build docs
+  --disable-unit-tests                               # not to do unit tests
+  --disable-dependency-tracking                      # speed up one-time build
+  --extra-cflags="$CFLAGS"                           # flags to use pthread and code optimization
+  --extra-cxxflags="$CXXFLAGS"                       # flags to use pthread and code optimization
+  ${FFMPEG_ST:+ --disable-multithread}
+)
+
+emconfigure ./configure "${CONF_FLAGS[@]}"
+emmake make install -j
+# Fix ffmpeg configure error: "libvpx enabled but no supported decoders found"
+emranlib $INSTALL_DIR/lib/libvpx.a
diff --git a/build/libwebp.sh b/build/libwebp.sh
new file mode 100755
index 0000000..b07a4bb
--- /dev/null
+++ b/build/libwebp.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CM_FLAGS=(
+  -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR
+  -DCMAKE_TOOLCHAIN_FILE=$EM_TOOLCHAIN_FILE
+  -DBUILD_SHARED_LIBS=OFF
+  -DZLIB_LIBRARY=$INSTALL_DIR/lib
+  -DZLIB_INCLUDE_DIR=$INSTALL_DIR/include
+  -DWEBP_ENABLE_SIMD=ON
+  -DWEBP_BUILD_ANIM_UTILS=OFF
+  -DWEBP_BUILD_CWEBP=OFF
+  -DWEBP_BUILD_DWEBP=OFF
+  -DWEBP_BUILD_GIF2WEBP=OFF
+  -DWEBP_BUILD_IMG2WEBP=OFF
+  -DWEBP_BUILD_VWEBP=OFF
+  -DWEBP_BUILD_WEBPINFO=OFF
+  -DWEBP_BUILD_WEBPMUX=OFF
+  -DWEBP_BUILD_EXTRAS=OFF
+)
+
+mkdir -p build
+cd build
+emmake cmake .. -DCMAKE_C_FLAGS="$CXXFLAGS" ${CM_FLAGS[@]}
+emmake make install
diff --git a/build/ogg.sh b/build/ogg.sh
new file mode 100755
index 0000000..178601d
--- /dev/null
+++ b/build/ogg.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                                 # install library in a build directory for FFmpeg to include
+  --host=i686-linux                                   # use i686 linux
+  --disable-shared                                    # disable shared library
+  --disable-dependency-tracking                       # speed up one-time build
+  --disable-maintainer-mode
+)
+
+emconfigure ./autogen.sh
+emconfigure ./configure "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/opus.sh b/build/opus.sh
new file mode 100755
index 0000000..c0e3be7
--- /dev/null
+++ b/build/opus.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                               # install library in a build directory for FFmpeg to include
+  --host=i686-gnu                                     # use i686 linux
+  --enable-shared=no                                  # not to build shared library
+  --disable-asm                                       # not to use asm
+  --disable-rtcd                                      # not to detect cpu capabilities
+  --disable-doc                                       # not to build docs
+  --disable-extra-programs                            # not to build demo and tests
+  --disable-stack-protector
+)
+
+emconfigure ./autogen.sh
+CFLAGS=$CFLAGS emconfigure ./configure "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/theora.sh b/build/theora.sh
new file mode 100755
index 0000000..94474fb
--- /dev/null
+++ b/build/theora.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                               # install library in a build directory for FFmpeg to include
+  --host=i686-linux                                   # use i686 linux
+  --enable-shared=no                                  # disable shared library
+  --enable-docs=no
+  --enable-fast-install=no
+  --disable-spec
+  --disable-asm
+  --disable-examples
+  --disable-oggtest                                   # disable ogg tests
+  --disable-vorbistest                                # disable vorbis tests
+  --disable-sdltest                                   # disable sdl tests
+)
+
+emconfigure ./autogen.sh "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/vorbis.sh b/build/vorbis.sh
new file mode 100755
index 0000000..e135b0c
--- /dev/null
+++ b/build/vorbis.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# Remove this flag as clang doesn't recognize
+sed -i 's#-mno-ieee-fp##g' configure.ac
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                               # install library in a build directory for FFmpeg to include
+  --host=i686-linux                                   # use i686 linux
+  --enable-shared=no                                  # disable shared library
+  --enable-docs=no
+  --enable-examples=no
+  --enable-fast-install=no
+  --disable-oggtest                                   # disable oggtests
+  --disable-dependency-tracking                       # speed up one-time build
+)
+
+emconfigure ./autogen.sh
+emconfigure ./configure "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/wavpack.sh b/build/wavpack.sh
new file mode 100755
index 0000000..eebfcf1
--- /dev/null
+++ b/build/wavpack.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CONF_FLAGS=(
+  --prefix=$INSTALL_DIR                                # install library in a build directory for FFmpeg to include
+  --host=x86-linux-gnu                                 # use x86 linux as host
+  --disable-asm                                        # disable asm optimization
+  --disable-man                                        # disable docs
+  --disable-tests                                      # disable tests
+  --disable-apps                                       # disable wavpack apps
+  --disable-dsd                                        # disalbe legacy
+  --enable-legacy                                      # enable compability for old version of wav
+  --disable-shared                                     # enable building static library
+  --disable-dependency-tracking                        # speed up one-time build
+  --disable-maintainer-mode
+)
+CFLAGS=$CFLAGS emconfigure ./autogen.sh "${CONF_FLAGS[@]}"
+emmake make install -j
diff --git a/build/zlib.sh b/build/zlib.sh
new file mode 100755
index 0000000..c325ae8
--- /dev/null
+++ b/build/zlib.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CM_FLAGS=(
+  -DCMAKE_INSTALL_PREFIX=$INSTALL_DIR
+  -DCMAKE_TOOLCHAIN_FILE=$EM_TOOLCHAIN_FILE
+  -DBUILD_SHARED_LIBS=OFF
+  -DSKIP_INSTALL_FILES=ON
+)
+
+mkdir -p build
+cd build
+emmake cmake .. -DCMAKE_C_FLAGS="$CXXFLAGS" ${CM_FLAGS[@]}
+emmake make clean
+emmake make install