diff --git a/ffmpeg/build.sh b/ffmpeg/build.sh
index cc037c1..ad14677 100644
--- a/ffmpeg/build.sh
+++ b/ffmpeg/build.sh
@@ -3,19 +3,36 @@ set -e
 
 # ANDROID_NDK_ROOT and ANDROID_SDK_ROOT need to be set (possibly to ~/Android/Sdk/ndk/##.#.#######/ and ~/Android/Sdk respectively)
 
-ARCH=x86_64
-VERSION=v5.1.LTS
+export ANDROID_NDK_ROOT=/usr/local/android-ndk
+export ANDROID_SDK_ROOT=/usr/local/android-sdk
+
+VERSION=7.1.1
+OUT_DIRECTORY=ffmpeg-android-$VERSION-aarch64
+
+if [ ! -d "ffmpeg-kit" ]; then
+    tar xf ffmpeg-kit.tar.xz
+fi
 
-git clone --depth 1 --branch $VERSION https://github.com/arthenica/ffmpeg-kit.git
 cd ffmpeg-kit
 
-./android.sh --enable-x264 --enable-libvpx --enable-gpl --disable-arm-v7a{,-neon} --disable-arm64-v8a --disable-x86 --no-archive
+./android.sh \
+    --enable-gpl \
+    --enable-x264 \
+    --enable-libvpx \
+    --enable-android-media-codec \
+    --disable-arm-v7a-neon \
+    --disable-arm-v7a \
+    --disable-x86-64 \
+    --disable-x86 \
+    --no-archive
 
 cd ..
 
-OUT_DIRECTORY=ffmpeg-android-$VERSION-$ARCH
 mkdir $OUT_DIRECTORY
-cp -r ffmpeg-kit/prebuilt/android-x86_64/{ffmpeg,libvpx,x264}/* $OUT_DIRECTORY/
+
 cp $0 $OUT_DIRECTORY
+cp -r ffmpeg-kit/prebuilt/android-arm64/{ffmpeg,libvpx,x264}/* $OUT_DIRECTORY/
+cp ffmpeg-kit/src/ffmpeg/config.h ffmpeg-kit/src/ffmpeg/libavcodec/codec_internal.h $OUT_DIRECTORY/include/libavcodec/
+
 tar c $OUT_DIRECTORY | xz -T0 > $OUT_DIRECTORY.tar.xz
 
diff --git a/ffmpeg/ffmpeg-android-6.0.2-aarch64.tar.xz b/ffmpeg/ffmpeg-android-6.0.2-aarch64.tar.xz
index 99f543b..50acffd 100644
Binary files a/ffmpeg/ffmpeg-android-6.0.2-aarch64.tar.xz and b/ffmpeg/ffmpeg-android-6.0.2-aarch64.tar.xz differ
diff --git a/ffmpeg/ffmpeg-android-6.1.2-aarch64.tar.xz b/ffmpeg/ffmpeg-android-6.1.2-aarch64.tar.xz
index c1546af..048bf1e 100644
Binary files a/ffmpeg/ffmpeg-android-6.1.2-aarch64.tar.xz and b/ffmpeg/ffmpeg-android-6.1.2-aarch64.tar.xz differ
diff --git a/ffmpeg/ffmpeg-android-7.0.3-aarch64.tar.xz b/ffmpeg/ffmpeg-android-7.0.3-aarch64.tar.xz
index 8070d80..6667024 100644
Binary files a/ffmpeg/ffmpeg-android-7.0.3-aarch64.tar.xz and b/ffmpeg/ffmpeg-android-7.0.3-aarch64.tar.xz differ
diff --git a/ffmpeg/ffmpeg-android-7.1.1-aarch64.tar.xz b/ffmpeg/ffmpeg-android-7.1.1-aarch64.tar.xz
index f5315a0..5f0a086 100644
Binary files a/ffmpeg/ffmpeg-android-7.1.1-aarch64.tar.xz and b/ffmpeg/ffmpeg-android-7.1.1-aarch64.tar.xz differ
diff --git a/ffmpeg/ffmpeg-android-v4.4.LTS.tar.xz b/ffmpeg/ffmpeg-android-v4.4.LTS.tar.xz
deleted file mode 100644
index d32748d..0000000
Binary files a/ffmpeg/ffmpeg-android-v4.4.LTS.tar.xz and /dev/null differ
diff --git a/ffmpeg/ffmpeg-android-v5.1.LTS-aarch64.tar.xz b/ffmpeg/ffmpeg-android-v5.1.LTS-aarch64.tar.xz
deleted file mode 100644
index 3bbb591..0000000
Binary files a/ffmpeg/ffmpeg-android-v5.1.LTS-aarch64.tar.xz and /dev/null differ
diff --git a/ffmpeg/ffmpeg-android-v5.1.LTS-x86_64.tar.xz b/ffmpeg/ffmpeg-android-v5.1.LTS-x86_64.tar.xz
deleted file mode 100644
index dbfac90..0000000
Binary files a/ffmpeg/ffmpeg-android-v5.1.LTS-x86_64.tar.xz and /dev/null differ
diff --git a/ffmpeg/ffmpeg-android-v5.1.LTS.tar.xz b/ffmpeg/ffmpeg-android-v5.1.LTS.tar.xz
deleted file mode 100644
index b2cccdd..0000000
Binary files a/ffmpeg/ffmpeg-android-v5.1.LTS.tar.xz and /dev/null differ