【需求】提交ffmpeg构建脚本

ffmpeg/ios/build.sh

+#!/bin/sh
+
+# directories
+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"
+# must be an absolute path
+THIN=`pwd`/"thin"
+
+# absolute path to x264 library
+#X264=`pwd`/fat-x264
+
+#FDK_AAC=`pwd`/../fdk-aac-build-script-for-iOS/fdk-aac-ios
+
+CONFIGURE_FLAGS="--enable-cross-compile \
+                 --disable-shared       \
+                 --enable-static        \
+                 --disable-ffmpeg       \
+                 --disable-ffplay       \
+                 --disable-ffprobe      \
+                 --disable-avdevice     \
+                 --disable-devices      \
+                 --disable-indevs       \
+                 --disable-outdevs      \
+                 --disable-doc          \
+                 --disable-debug        \
+                 --disable-programs     \
+                 --enable-pic           \
+                 --disable-encoders     \
+                 --disable-decoders     \
+                 --enable-decoder=aac   \
+                 --enable-decoder=hevc  \
+                 --enable-decoder=h264  \
+                 --enable-decoder=mp3   \
+                 --enable-decoder=pcm_s16le \
+                 --disable-encoders     \
+                 --enable-encoder=pcm_s16le \
+                 --enable-encoder=aac   \
+                 --disable-muxers       \
+                 --disable-demuxers     \
+                 --enable-demuxer=avi   \
+                 --enable-demuxer=aac   \
+                 --enable-demuxer=concat \
+                 --enable-demuxer=data  \
+                 --enable-demuxer=flv   \
+                 --enable-demuxer=hls   \
+                 --enable-demuxer=rm    \
+                 --enable-demuxer=live_flv \
+                 --enable-demuxer=mp4,mov \
+                 --enable-demuxer=mpeg,mpegps \
+                 --enable-demuxer=mpegts \
+                 --enable-demuxer=flac \
+                 --enable-demuxer=hevc \
+                 --enable-demuxer=mp3,wav \
+                 --enable-demuxer=apng,png,zlib \
+                 --enable-demuxer=image2 \
+                 --enable-demuxer=mjpeg \
+                 --enable-demuxer=mpegvideo \
+                 --enable-demuxer=m4v \
+                 --enable-demuxer=webm_dash_manifest \
+                 --disable-filters \
+                 --disable-bsfs    \
+                 --enable-bsf=h264_mp4toannexb \
+                 --disable-protocols \
+                 --enable-protocol=hls \
+                 --enable-protocol=http,https,httpproxy \
+                 --enable-protocol=rtmp,rtmps,rtmpt,rtmpts,rtp \
+                 --enable-protocol=file,data"
+                 
+
+if [ "$X264" ]
+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 armv7 x86_64 i386"
+
+COMPILE="y"
+LIPO="y"
+
+DEPLOYMENT_TARGET="8.0"
+
+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" = "i386" -o "$ARCH" = "x86_64" ]
+		then
+		    PLATFORM="iPhoneSimulator"
+		    CFLAGS="$CFLAGS -mios-simulator-version-min=$DEPLOYMENT_TARGET"
+		else
+		    PLATFORM="iPhoneOS"
+		    CFLAGS="$CFLAGS -mios-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 $XCRUN_SDK clang"
+
+		# force "configure" to use "gas-preprocessor.pl" (FFmpeg 3.3)
+		if [ "$ARCH" = "arm64" ]
+		then
+		    AS="gas-preprocessor.pl -arch aarch64 -- $CC"
+		else
+		    AS="gas-preprocessor.pl -- $CC"
+		fi
+
+		CXXFLAGS="$CFLAGS"
+		LDFLAGS="$CFLAGS"
+		if [ "$X264" ]
+		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" \
+		    --as="$AS" \
+		    $CONFIGURE_FLAGS \
+		    --extra-cflags="$CFLAGS" \
+		    --extra-ldflags="$LDFLAGS" \
+		    --prefix="$THIN/$ARCH" \
+		|| exit 1
+
+		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