先申明本机环境
dev-mini:ffmpeg devone$ sw_vers
ProductName: Mac OS X
ProductVersion: 10.9.2
BuildVersion: 13C1021
dev-mini:ffmpeg devone$ xcodebuild -version
Xcode 5.1.1
Build version 5B1008
## IOS7.1
Xcode
path
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk/
参考编译选项
http://www.cnblogs.com/gugupluto/p/3404512.html 特此感谢
##
这里是模拟器I386版本编译
## 完美通过
sudo ./configure --prefix=../i386 --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-mmx --enable-cross-compile --sysroot="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk" --target-os=darwin --cc="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc" --extra-cflags="-arch i386 -mfpu=neon -miphoneos-version-min=7.0" --extra-ldflags="-arch i386 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk -miphoneos-version-min=7.0" --arch=i386 --cpu=i386 --disable-asm --disable-everything --enable-decoder=h264 --enable-decoder=rv40 --enable-decoder=aac
sudo make
sudo make install
## 编译ffmpeg armv7(iPhone 3GS以上)
## 完美通过
sudo ./configure --prefix=../armv7 --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --enable-cross-compile --sysroot="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk" --target-os=darwin --cc="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc" --extra-cflags="-arch armv7" --extra-ldflags="-arch armv7" --extra-ldflags=-L/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk/usr/lib/system --arch=arm --cpu=cortex-a8 --enable-pic --disable-asm --disable-everything --enable-decoder=h264 --enable-decoder=rv40 --enable-decoder=aac
## 编译ffmpeg armv7s(iPhone5)
## 完美通过
sudo ./configure --prefix=../armv7s --disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --enable-cross-compile --sysroot="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk" --target-os=darwin --cc="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc" --extra-cflags="-arch armv7s -mfpu=neon -miphoneos-version-min=7.0" --extra-ldflags="-arch armv7s -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk -miphoneos-version-min=7.0" --arch=arm --cpu=cortex-a9 --enable-pic --disable-asm --disable-everything --enable-decoder=h264 --enable-decoder=rv40 --enable-decoder=aac
## 说明
1.
以前需要gas-preprocessor.pl这个文件,但经过测试,在XCode4环境下是需要的,XCode5环境下已经不需要了。
2.
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc 这里cc
c++ clang++ 都是clang的软连接
3.
多了一个-miphoneos-version-min=7.0,没有这个字段会出一个动态库错误,具体可以自己试试。
## to do
## 参数优化
## http://blog.csdn.net/whf727/article/details/18089261