ffmpeg build iOS script

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我是靠谱客的博主忧心飞机，最近开发中收集的这篇文章主要介绍ffmpeg build iOS script，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

build ffmpeg .a

#!/bin/sh
# directories
FF_VERSION="4.0.3"
if [[ $FFMPEG_VERSION != "" ]]; then
FF_VERSION=$FFMPEG_VERSION
fi
SOURCE="ffmpeg-$FF_VERSION"
FAT="FFmpeg-iOS"
SCRATCH="scratch"
# must be an absolute path
THIN=`pwd`/"thin"
# absolute path to x264 library
#X264=`pwd`/fat-x264
#FDK_AAC=`pwd`/../fdk-aac-build-script-for-iOS/fdk-aac-ios
CONFIGURE_FLAGS="--enable-cross-compile --disable-debug --disable-programs 
--disable-doc --disable-encoders --disable-decoders 
--disable-network --disable-muxers --disable-demuxers --disable-filters 
--disable-protocols --disable-parsers 
--enable-decoder=h264 --enable-demuxer=h264 
--enable-parser=h264 --enable-encoder=aac 
--enable-decoder=aac --enable-pthreads --enable-asm 
--enable-runtime-cpudetect --enable-optimizations --enable-stripping"
if [ "$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"
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 $SOURCE ]
then
echo 'FFmpeg source not found. Trying to download...'
curl https://www.ffmpeg.org/releases/$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

build ffmpeg framework

#!/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