diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 00000000..b3a42efe
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,13 @@
+# These are supported funding model platforms
+
+github: [kewlbear]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000..ba521c4a
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,13 @@
+name: CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: macOS-latest
+    
+    steps:
+    - uses: actions/checkout@v1
+    - name: build
+      run: ./build-ffmpeg.sh 2>.stderr
diff --git a/.gitignore b/.gitignore
index 05533205..e05f2795 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 scratch*
 thin*
 fat*
+FFmpeg.framework
+FFmpeg-*
+.DS_Store
diff --git a/.travis.yml b/.travis.yml
index 87525ca6..c0e3d1d9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,9 +8,13 @@ env:
         - TARBALL=ffmpeg-ios-$TRAVIS_BRANCH.tar.bz2
 
 after_success:
-    - tar cjf $TARBALL FFmpeg-iOS .stderr scratch/*/config.log ffmpeg/LICENSE ffmpeg/COPYING.*
+    - tar cjf $TARBALL FFmpeg-iOS .stderr scratch/*/config.log ffmpeg*/LICENSE.md ffmpeg*/COPYING.* README.md
     - openssl aes-256-cbc -k "$secret" -in .sf -d -a -out id_sf
     - chmod 600 id_sf
     - scp -i id_sf -o 'StrictHostKeyChecking no' $TARBALL koolbear@frs.sourceforge.net:/home/frs/project/ffmpeg-ios
 
 after_failure: cat .stderr
+
+osx_image: xcode8.3
+
+sudo: false
diff --git a/README.md b/README.md
index ee653790..33648895 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,27 @@
 # FFmpeg iOS build script
 
-[![Build Status](https://travis-ci.org/kewlbear/FFmpeg-iOS-build-script.png?branch=master)](https://travis-ci.org/kewlbear/FFmpeg-iOS-build-script)
+See the following repository for Swift package, .xcframeworks and more:
 
-This is a shell script to build FFmpeg libraries for iOS apps.
+https://github.com/kewlbear/FFmpeg-iOS
+
+[![Build Status](https://travis-ci.org/kewlbear/FFmpeg-iOS-build-script.svg?branch=master)](https://travis-ci.org/kewlbear/FFmpeg-iOS-build-script)
+
+This is a shell script to build FFmpeg libraries for iOS and tvOS apps.
 
 Tested with:
 
-* FFmpeg http://git.videolan.org/?p=ffmpeg.git;a=commit;h=f29cdbe1b59a0d997733b507041e15ec68cef00c
-* Xcode 5.0.2
-* https://github.com/libav/gas-preprocessor (support arm64)
+* FFmpeg 4.3.1
+* Xcode 12.2
+
+## Requirements
+
+* https://github.com/libav/gas-preprocessor
+* yasm 1.2.0
 
 ## Usage
 
+Use build-ffmpeg-tvos.sh for tvOS.
+
 * To build everything:
 
         ./build-ffmpeg.sh
@@ -30,10 +40,12 @@ Tested with:
 
 ## Download
 
-https://downloads.sourceforge.net/project/ffmpeg-ios/ffmpeg-ios.tar.bz2
+You can download a binary for FFmpeg 4.3.1 release at https://downloads.sourceforge.net/project/ffmpeg-ios/ffmpeg-ios-master.tar.bz2
 
-Currently, arm64 architecture is not included in the download.
+## External libraries
 
-## Influences
+You should link your app with
 
-* https://github.com/bbcallen/ijkplayer/blob/fc70895c64cbbd20f32f1d81d2d48609ed13f597/ios/tools/do-compile-ffmpeg.sh#L7
+* libz.dylib
+* libbz2.dylib
+* libiconv.dylib
diff --git a/build-ffmpeg-iOS-framework.sh b/build-ffmpeg-iOS-framework.sh
new file mode 100755
index 00000000..56e2be6b
--- /dev/null
+++ b/build-ffmpeg-iOS-framework.sh
@@ -0,0 +1,191 @@
+#!/bin/sh
+
+# directories
+SCRATCH=`pwd`/"scratch"
+ARCHS="arm64 armv7 i386 x86_64"
+
+FFMPEG_VERSION="3.4"
+export FFMPEG_VERSION
+HEADER_SUFFIX=".h"
+CURRENT_FOLDER=`pwd`
+FRAMEWORK_NAME="FFmpeg"
+FRAMEWORK_EXT=".framework"
+FRAMEWORK="$FRAMEWORK_NAME$FRAMEWORK_EXT"
+BUILD_FOLDER="$CURRENT_FOLDER/FFmpeg-iOS"
+BUILD_THIN_FOLDER="$CURRENT_FOLDER/thin"
+BUILD_INCLUDE_FOLDER="$BUILD_FOLDER/include"
+BUILD_LIB_FOLDER="$BUILD_FOLDER/lib"
+OUTPUT_FOLDER="$CURRENT_FOLDER/$FRAMEWORK"
+OUTPUT_INFO_PLIST_FILE="$OUTPUT_FOLDER/Info.plist"
+OUTPUT_HEADER_FOLDER="$OUTPUT_FOLDER/Headers"
+OUTPUT_UMBRELLA_HEADER="$OUTPUT_HEADER_FOLDER/ffmpeg.h"
+OUTPUT_MODULES_FOLDER="$OUTPUT_FOLDER/Modules"
+OUTPUT_MODULES_FILE="$OUTPUT_MODULES_FOLDER/module.modulemap"
+VERSION_NEW_NAME="Version.h"
+BUNDLE_ID="org.ffmpeg.FFmpeg"
+
+function CreateFramework() {
+  rm -rf $OUTPUT_FOLDER
+  mkdir -p $OUTPUT_HEADER_FOLDER $OUTPUT_MODULES_FOLDER
+}
+
+function CompileSource() {
+  ./build-ffmpeg.sh $ARCHS
+  ./build-ffmpeg.sh lipo
+}
+
+function MergeStaticLibrary() {
+  local files=""
+
+  for ARCH in $ARCHS; do
+    folder="$SCRATCH/$ARCH"
+    name="$FRAMEWORK_NAME$ARCH.a"
+    ar cru $name $(find $folder -name "*.o")
+    files="$files $name"
+  done
+
+  lipo -create $files -output FFmpeg
+
+  for file in $files; do
+    rm -rf $file
+  done
+  mv $FRAMEWORK_NAME $OUTPUT_FOLDER
+}
+
+function RenameHeader() {
+  local include_folder="$(pwd)/FFmpeg-iOS/include"
+  local need_replace_version_folder=""
+  for folder in "$include_folder"/*; do
+    local folder_name=`basename $folder`
+    local verstion_file_name="$folder_name$VERSION_NEW_NAME"
+    for header in "$folder"/*; do
+			local header_name=`basename $header`
+
+			local dst_name=$header_name
+			if [ $header_name == "version.h" ]; then
+				dst_name=$verstion_file_name
+			fi
+
+			local dst_folder=$OUTPUT_HEADER_FOLDER
+			local file_name="$folder/$header_name"
+			local dst_file_name="$dst_folder/$dst_name"
+			cp $file_name $dst_file_name
+			find "$dst_folder" -name "$dst_name" -type f -exec sed -i '' "s/\"version.h\"/\"$verstion_file_name\"/g" {} \;
+		done
+    need_replace_version_folder="$need_replace_version_folder $folder_name"
+  done
+
+  for folder_name in $need_replace_version_folder; do
+    local verstion_file_name="$folder_name$VERSION_NEW_NAME"
+    find $OUTPUT_HEADER_FOLDER -type f -exec sed -i '' "s/\"$folder_name\/version.h\"/\"$verstion_file_name\"/g" {} \;
+  done
+  find $OUTPUT_HEADER_FOLDER -type f -exec sed -i '' "s/libavformat\///g" {} \;
+  find $OUTPUT_HEADER_FOLDER -type f -exec sed -i '' "s/libavutil\///g" {} \;
+	find $OUTPUT_HEADER_FOLDER -type f -exec sed -i '' "s/libavcodec\///g" {} \;
+}
+
+# COPY MISSING inttypes.h
+function CopyInttype() {
+  local file="$(xcode-select -p)/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/clang/include/inttypes.h"
+	cp $file $OUTPUT_HEADER_FOLDER
+	find $OUTPUT_HEADER_FOLDER -type f -exec sed -i '' "s/<inttypes.h>/\"inttypes.h\"/g" {} \;
+}
+
+function CreateModulemapAndUmbrellaHeader() {
+  #create ffmpeg.h
+  cat > $OUTPUT_UMBRELLA_HEADER <<EOF
+#import <Foundation/Foundation.h>
+#import <VideoToolbox/VideoToolbox.h>
+#import <AudioToolbox/AudioToolbox.h>
+#include "avcodec.h"
+#include "avdevice.h"
+#include "avfilter.h"
+#include "avformat.h"
+#include "avutil.h"
+#include "swscale.h"
+#include "swresample.h"
+double FFmpegVersionNumber = $FFMPEG_VERSION;
+EOF
+
+  cat > $OUTPUT_MODULES_FILE <<EOF
+framework module $FRAMEWORK_NAME {
+  umbrella header "ffmpeg.h"
+
+  export *
+  module * { export * }
+}
+EOF
+}
+
+function CreateInfoPlist() {
+  DEFAULT_iOS_SDK_VERSION=`defaults read $(xcode-select -p)/Platforms/iPhoneOS.platform/version CFBundleShortVersionString`
+  DTCompiler=`defaults read $(xcode-select -p)/../info DTCompiler`
+  DTPlatformBuild=`defaults read $(xcode-select -p)/../info DTPlatformBuild`
+  DTSDKBuild=`defaults read $(xcode-select -p)/../info DTSDKBuild`
+  DTXcode=`defaults read $(xcode-select -p)/../info DTXcode`
+  DTXcodeBuild=`defaults read $(xcode-select -p)/../info DTXcodeBuild`
+  OS_BUILD_VERSION=$(sw_vers -buildVersion)
+  cat > $OUTPUT_INFO_PLIST_FILE <<EOF
+  <?xml version="1.0" encoding="UTF-8"?>
+  <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+  <plist version="1.0">
+  <dict>
+          <key>BuildMachineOSBuild</key>
+          <string>$OS_BUILD_VERSION</string>
+          <key>CFBundleDevelopmentRegion</key>
+          <string>en</string>
+          <key>CFBundleExecutable</key>
+          <string>$FRAMEWORK_NAME</string>
+          <key>CFBundleIdentifier</key>
+          <string>$BUNDLE_ID</string>
+          <key>CFBundleInfoDictionaryVersion</key>
+          <string>6.0</string>
+          <key>CFBundleName</key>
+          <string>$FRAMEWORK_NAME</string>
+          <key>CFBundlePackageType</key>
+          <string>FMWK</string>
+          <key>CFBundleShortVersionString</key>
+          <string>$FFMPEG_VERSION</string>
+          <key>CFBundleSignature</key>
+          <string>????</string>
+          <key>CFBundleSupportedPlatforms</key>
+          <array>
+          <string>iPhoneOS</string>
+          </array>
+          <key>CFBundleVersion</key>
+          <string>1</string>
+          <key>DTCompiler</key>
+          <string>$DTCompiler</string>
+          <key>DTPlatformBuild</key>
+          <string>$DTPlatformBuild</string>
+          <key>DTPlatformName</key>
+          <string>iphoneos</string>
+          <key>DTPlatformVersion</key>
+          <string>$DEFAULT_iOS_SDK_VERSION</string>
+          <key>DTSDKBuild</key>
+          <string>$DTSDKBuild</string>
+          <key>DTSDKName</key>
+          <string>iphoneos$DEFAULT_iOS_SDK_VERSION</string>
+          <key>DTXcode</key>
+          <string>$DTXcode</string>
+          <key>DTXcodeBuild</key>
+          <string>$DTXcodeBuild</string>
+          <key>MinimumOSVersion</key>
+          <string>8.0</string>
+          <key>UIDeviceFamily</key>
+          <array>
+          <integer>1</integer>
+          <integer>2</integer>
+          </array>
+  </dict>
+  </plist>
+EOF
+}
+
+CompileSource
+CreateFramework
+MergeStaticLibrary
+RenameHeader
+CreateModulemapAndUmbrellaHeader
+CopyInttype
+CreateInfoPlist
diff --git a/build-ffmpeg-tvos.sh b/build-ffmpeg-tvos.sh
new file mode 100755
index 00000000..7717bfda
--- /dev/null
+++ b/build-ffmpeg-tvos.sh
@@ -0,0 +1,156 @@
+#!/bin/sh
+
+# directories
+SOURCE="ffmpeg-3.1.1"
+FAT="FFmpeg-tvOS"
+
+SCRATCH="scratch-tvos"
+# must be an absolute path
+THIN=`pwd`/"thin-tvos"
+
+# absolute path to x264 library
+#X264=`pwd`/../x264-ios/x264-iOS
+
+#FDK_AAC=`pwd`/fdk-aac/fdk-aac-ios
+
+CONFIGURE_FLAGS="--enable-cross-compile --disable-debug --disable-programs \
+                 --disable-doc --enable-pic --disable-indev=avfoundation"
+
+if [ "$X264" ]
+then
+	CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-gpl --enable-libx264"
+fi
+
+if [ "$FDK_AAC" ]
+then
+	CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-libfdk-aac"
+fi
+
+# avresample
+#CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-avresample"
+
+ARCHS="arm64 x86_64"
+
+COMPILE="y"
+LIPO="y"
+
+DEPLOYMENT_TARGET="9.0"
+
+if [ "$*" ]
+then
+	if [ "$*" = "lipo" ]
+	then
+		# skip compile
+		COMPILE=
+	else
+		ARCHS="$*"
+		if [ $# -eq 1 ]
+		then
+			# skip lipo
+			LIPO=
+		fi
+	fi
+fi
+
+if [ "$COMPILE" ]
+then
+	if [ ! `which yasm` ]
+	then
+		echo 'Yasm not found'
+		if [ ! `which brew` ]
+		then
+			echo 'Homebrew not found. Trying to install...'
+                        ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" \
+				|| exit 1
+		fi
+		echo 'Trying to install Yasm...'
+		brew install yasm || exit 1
+	fi
+	if [ ! `which gas-preprocessor.pl` ]
+	then
+		echo 'gas-preprocessor.pl not found. Trying to install...'
+		(curl -L https://github.com/libav/gas-preprocessor/raw/master/gas-preprocessor.pl \
+			-o /usr/local/bin/gas-preprocessor.pl \
+			&& chmod +x /usr/local/bin/gas-preprocessor.pl) \
+			|| exit 1
+	fi
+
+	if [ ! -r $SOURCE ]
+	then
+		echo 'FFmpeg source not found. Trying to download...'
+		curl http://www.ffmpeg.org/releases/$SOURCE.tar.bz2 | tar xj \
+			|| exit 1
+	fi
+
+	CWD=`pwd`
+	for ARCH in $ARCHS
+	do
+		echo "building $ARCH..."
+		mkdir -p "$SCRATCH/$ARCH"
+		cd "$SCRATCH/$ARCH"
+
+		CFLAGS="-arch $ARCH"
+		if [ "$ARCH" = "x86_64" ]
+		then
+		    PLATFORM="AppleTVSimulator"
+		    CFLAGS="$CFLAGS -mtvos-simulator-version-min=$DEPLOYMENT_TARGET"
+		else
+		    PLATFORM="AppleTVOS"
+		    CFLAGS="$CFLAGS -mtvos-version-min=$DEPLOYMENT_TARGET -fembed-bitcode"
+		    if [ "$ARCH" = "arm64" ]
+		    then
+		        EXPORT="GASPP_FIX_XCODE5=1"
+		    fi
+		fi
+
+		XCRUN_SDK=`echo $PLATFORM | tr '[:upper:]' '[:lower:]'`
+		CC="xcrun -sdk $XCRUN_SDK clang"
+		AR="xcrun -sdk $XCRUN_SDK ar"
+		CXXFLAGS="$CFLAGS"
+		LDFLAGS="$CFLAGS"
+		if [ "$X264" ]
+		then
+			CFLAGS="$CFLAGS -I$X264/include"
+			LDFLAGS="$LDFLAGS -L$X264/lib"
+		fi
+		if [ "$FDK_AAC" ]
+		then
+			CFLAGS="$CFLAGS -I$FDK_AAC/include"
+			LDFLAGS="$LDFLAGS -L$FDK_AAC/lib"
+		fi
+
+		TMPDIR=${TMPDIR/%\/} $CWD/$SOURCE/configure \
+		    --target-os=darwin \
+		    --arch=$ARCH \
+		    --cc="$CC" \
+		    --ar="$AR" \
+		    $CONFIGURE_FLAGS \
+		    --extra-cflags="$CFLAGS" \
+		    --extra-ldflags="$LDFLAGS" \
+		    --prefix="$THIN/`basename $PWD`" \
+		|| exit 1
+
+		xcrun -sdk $XCRUN_SDK make -j3 install $EXPORT || exit 1
+		cd $CWD
+	done
+fi
+
+if [ "$LIPO" ]
+then
+	echo "building fat binaries..."
+	mkdir -p $FAT/lib
+	set - $ARCHS
+	CWD=`pwd`
+	cd $THIN/$1/lib
+	for LIB in *.a
+	do
+		cd $CWD
+		echo lipo -create `find $THIN -name $LIB` -output $FAT/lib/$LIB 1>&2
+		lipo -create `find $THIN -name $LIB` -output $FAT/lib/$LIB || exit 1
+	done
+
+	cd $CWD
+	cp -rf $THIN/$1/include $FAT
+fi
+
+echo Done
diff --git a/build-ffmpeg.sh b/build-ffmpeg.sh
index 09e46c43..319fadbe 100755
--- a/build-ffmpeg.sh
+++ b/build-ffmpeg.sh
@@ -1,7 +1,12 @@
 #!/bin/sh
 
 # directories
-SOURCE="ffmpeg-2.2"
+FF_VERSION="4.3.1"
+#FF_VERSION="snapshot-git"
+if [[ $FFMPEG_VERSION != "" ]]; then
+  FF_VERSION=$FFMPEG_VERSION
+fi
+SOURCE="ffmpeg-$FF_VERSION"
 FAT="FFmpeg-iOS"
 
 SCRATCH="scratch"
@@ -9,7 +14,9 @@ SCRATCH="scratch"
 THIN=`pwd`/"thin"
 
 # absolute path to x264 library
-#X264=`pwd`/fat_x264
+#X264=`pwd`/fat-x264
+
+#FDK_AAC=`pwd`/../fdk-aac-build-script-for-iOS/fdk-aac-ios
 
 CONFIGURE_FLAGS="--enable-cross-compile --disable-debug --disable-programs \
                  --disable-doc --enable-pic"
@@ -19,15 +26,20 @@ then
 	CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-gpl --enable-libx264"
 fi
 
+if [ "$FDK_AAC" ]
+then
+	CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-libfdk-aac --enable-nonfree"
+fi
+
 # avresample
 #CONFIGURE_FLAGS="$CONFIGURE_FLAGS --enable-avresample"
 
-ARCHS="arm64 armv7s armv7 x86_64 i386"
+ARCHS="arm64 armv7 x86_64 i386"
 
 COMPILE="y"
 LIPO="y"
 
-DEPLOYMENT_TARGET="6.0"
+DEPLOYMENT_TARGET="8.0"
 
 if [ "$*" ]
 then
@@ -53,7 +65,7 @@ then
 		if [ ! `which brew` ]
 		then
 			echo 'Homebrew not found. Trying to install...'
-			ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)" \
+                        ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" \
 				|| exit 1
 		fi
 		echo 'Trying to install Yasm...'
@@ -62,7 +74,7 @@ then
 	if [ ! `which gas-preprocessor.pl` ]
 	then
 		echo 'gas-preprocessor.pl not found. Trying to install...'
-		(curl -3L https://github.com/libav/gas-preprocessor/raw/master/gas-preprocessor.pl \
+		(curl -L https://github.com/libav/gas-preprocessor/raw/master/gas-preprocessor.pl \
 			-o /usr/local/bin/gas-preprocessor.pl \
 			&& chmod +x /usr/local/bin/gas-preprocessor.pl) \
 			|| exit 1
@@ -71,7 +83,7 @@ then
 	if [ ! -r $SOURCE ]
 	then
 		echo 'FFmpeg source not found. Trying to download...'
-		curl http://www.ffmpeg.org/releases/ffmpeg-2.2.tar.bz2 | tar xj \
+		curl http://www.ffmpeg.org/releases/$SOURCE.tar.bz2 | tar xj \
 			|| exit 1
 	fi
 
@@ -89,7 +101,7 @@ then
 		    CFLAGS="$CFLAGS -mios-simulator-version-min=$DEPLOYMENT_TARGET"
 		else
 		    PLATFORM="iPhoneOS"
-		    CFLAGS="$CFLAGS -mios-version-min=$DEPLOYMENT_TARGET"
+		    CFLAGS="$CFLAGS -mios-version-min=$DEPLOYMENT_TARGET -fembed-bitcode"
 		    if [ "$ARCH" = "arm64" ]
 		    then
 		        EXPORT="GASPP_FIX_XCODE5=1"
@@ -98,6 +110,15 @@ then
 
 		XCRUN_SDK=`echo $PLATFORM | tr '[:upper:]' '[:lower:]'`
 		CC="xcrun -sdk $XCRUN_SDK clang"
+
+		# force "configure" to use "gas-preprocessor.pl" (FFmpeg 3.3)
+		if [ "$ARCH" = "arm64" ]
+		then
+		    AS="gas-preprocessor.pl -arch aarch64 -- $CC"
+		else
+		    AS="gas-preprocessor.pl -- $CC"
+		fi
+
 		CXXFLAGS="$CFLAGS"
 		LDFLAGS="$CFLAGS"
 		if [ "$X264" ]
@@ -105,14 +126,19 @@ then
 			CFLAGS="$CFLAGS -I$X264/include"
 			LDFLAGS="$LDFLAGS -L$X264/lib"
 		fi
+		if [ "$FDK_AAC" ]
+		then
+			CFLAGS="$CFLAGS -I$FDK_AAC/include"
+			LDFLAGS="$LDFLAGS -L$FDK_AAC/lib"
+		fi
 
-		$CWD/$SOURCE/configure \
+		TMPDIR=${TMPDIR/%\/} $CWD/$SOURCE/configure \
 		    --target-os=darwin \
 		    --arch=$ARCH \
 		    --cc="$CC" \
+		    --as="$AS" \
 		    $CONFIGURE_FLAGS \
 		    --extra-cflags="$CFLAGS" \
-		    --extra-cxxflags="$CXXFLAGS" \
 		    --extra-ldflags="$LDFLAGS" \
 		    --prefix="$THIN/$ARCH" \
 		|| exit 1
diff --git a/build-x264.sh b/build-x264.sh
deleted file mode 100755
index c94b7cbc..00000000
--- a/build-x264.sh
+++ /dev/null
@@ -1,102 +0,0 @@
-#!/bin/sh
-
-CONFIGURE_FLAGS="--enable-static --enable-pic --disable-cli --disable-asm"
-
-ARCHS="arm64 armv7s x86_64 i386 armv7"
-
-# directories
-SOURCE="x264"
-FAT="fat-x264"
-
-SCRATCH="scratch-x264"
-# must be an absolute path
-THIN=`pwd`/"thin-x264"
-
-COMPILE="y"
-LIPO="y"
-
-if [ "$*" ]
-then
-	if [ "$*" = "lipo" ]
-	then
-		# skip compile
-		COMPILE=
-	else
-		ARCHS="$*"
-		if [ $# -eq 1 ]
-		then
-			# skip lipo
-			LIPO=
-		fi
-	fi
-fi
-
-if [ "$COMPILE" ]
-then
-	CWD=`pwd`
-	for ARCH in $ARCHS
-	do
-		echo "building $ARCH..."
-		mkdir -p "$SCRATCH/$ARCH"
-		cd "$SCRATCH/$ARCH"
-
-		if [ "$ARCH" = "i386" -o "$ARCH" = "x86_64" ]
-		then
-		    PLATFORM="iPhoneSimulator"
-		    CPU=
-		    if [ "$ARCH" = "x86_64" ]
-		    then
-		    	SIMULATOR="-mios-simulator-version-min=7.0"
-		    	HOST=
-		    else
-		    	SIMULATOR="-mios-simulator-version-min=5.0"
-			HOST="--host=i386-apple-darwin"
-		    fi
-		else
-		    PLATFORM="iPhoneOS"
-		    if [ $ARCH = "armv7s" ]
-		    then
-		    	CPU="--cpu=swift"
-		    else
-		    	CPU=
-		    fi
-		    SIMULATOR=
-		    HOST="--host=arm-apple-darwin"
-		fi
-
-		XCRUN_SDK=`echo $PLATFORM | tr '[:upper:]' '[:lower:]'`
-		CC="xcrun -sdk $XCRUN_SDK clang"
-		AS="$CWD/$SOURCE/extras/gas-preprocessor.pl $CC"
-		CFLAGS="-arch $ARCH $SIMULATOR"
-		CXXFLAGS="$CFLAGS"
-		LDFLAGS="$CFLAGS"
-
-		CC=$CC $CWD/$SOURCE/configure \
-		    $CONFIGURE_FLAGS \
-		    $HOST \
-		    $CPU \
-		    --extra-cflags="$CFLAGS" \
-		    --extra-ldflags="$LDFLAGS" \
-		    --prefix="$THIN/$ARCH"
-
-		make -j3 install
-		cd $CWD
-	done
-fi
-
-if [ "$LIPO" ]
-then
-	echo "building fat binaries..."
-	mkdir -p $FAT/lib
-	set - $ARCHS
-	CWD=`pwd`
-	cd $THIN/$1/lib
-	for LIB in *.a
-	do
-		cd $CWD
-		lipo -create `find $THIN -name $LIB` -output $FAT/lib/$LIB
-	done
-
-	cd $CWD
-	cp -rf $THIN/$1/include $FAT
-fi