交叉编译 ffmpeg

./configure --enable-cross-compile --cc=arm-linux-gcc --enable-gpl --arch=armv4l --enable-shared --target-os=linux --disable-mmx --disable-network --enable-armv6t2 --enable-armvfp
--disable-yasm

/configure --cpu=armv4l --cc=/usr/local/arm/3.4.1/bin/arm-linux-gcc --disable-mmx --prefix=/usr/local/arm/3.4.1/arm-linux/usr --enable-shared

 ./configure --enable-cross-compile --target-os=linux
--cross-prefix=arm-linux- --cc=arm-linux-gcc --enable-shared --arch=arm --enable-gpl --prefix=/usr/local/ffmpeg-arm --enable-ffplay --extra-cflags=-I/usr/local/sdl-arm/include/SDL
--extra-ldflags=-L/usr/local/sdl-arm/lib --extra-libs=-lSDL

./configure --arch=arm --target-os=linux --cc=arm-linux-gcc --enable-cross-compile --enable-shared --disable-network --disable-armv6 --disable-armv6t2 --disable-ffmpeg --disable-ffplay
--disable-ffserver --enable-avfilter --enable-gpl --enable-swscale --enable-postproc --enable-gpl --enable-pthreads

/configure --enable-cross-compile --target-os=linux --cross-prefix=arm-linux- --cc=arm-linux-gcc --enable-shared --arch=armv6 --enable-gpl --enable-libx264 --prefix=/usr/local/ffmpeg-arm
--extra-cflags=-I/usr/local/x264-arm/include --extra-ldflags=-L/usr/local/x264-arm/lib/

#./configure --prefix=/usr/local/pc/ffmpeg/ --disable-static --enable-shared --enable-gpl --enable-swscale --enable-libx264 --enable-libxvid --disable-stripping --arch=libavcodec/i386/ --enable-ffplay
--enable-ffserver  --disable-zlib  --enable-gpl --disable-optimizations --disable-network --extra-libs=-L/usr/local/pc/ffmpeg/lib --extra-ldflags=-L/usr/local/pc/ffmpeg/lib --extra-cflags=-I/usr/local/pc/ffmpeg/include --disable-ipv6 --enable-pthreads

#./configure --cross-prefix="/opt/FriendlyARM/toolschain/4.5.1/bin/arm-linux-" --enable-cross-compile --target-os=linux --cc=arm-linux-gcc --arch=arm --prefix=/opt/FriendlyARM/toolschain/4.5.1/arm-none-linux-gnueabi/
--enable-shared --disable-static --enable-gpl --enable-nonfree --enable-ffmpeg --disable-ffplay --enable-ffserver --enable-swscale --enable-pthreads --disable-yasm --disable-stripping --cpu=armv6 --enable-libx264--extra-cflags=-I/opt/FriendlyARM/toolschain/4.5.1/arm-none-linux-gnueabi/include
--extra-ldflags=-L/opt/FriendlyARM/toolschain/4.5.1/arm-none-linux-gnueabi/lib--enable-libxvid

./configure --sysroot=/home/arm_linux/arm-linux-gnueabihf/libc --enable-cross-compile --arch=arm --target-os=linux --cross-prefix=/home/arm_linux/bin/arm-linux-gnueabihf- 

ffmpeg-0.9#
./configure --enable-cross-compile --target-os=linux --cross-prefix=arm-linux- --cc=arm-linux-gcc --enable-shared --arch=armv6
--enable-gpl --enable-libx264 --prefix=/usr/local/ffmpeg-arm --extra-cflags=-I/usr/local/include --extra-ldflags=-L/usr/local/lib/

./configure
--prefix=/usr/local/for_arm/ffmpeg --enable-cross-compile --cross-prefix=arm-linux- --target-os=linux --cc=arm-linux-gcc
--host-cc=arm-linux-gcc --arch=armv5te --enable-static --enable-shared --enable-ffserver --enable-swscale --enable-avfilter --disable-yasm --enable-armv5te --enable-gpl --enable-libx264 --extra-cflags="-I/usr/local/for_arm/x264/include" --extra-libs="-L/usr/local/for_arm/x264/lib"

如果要编译ffplay，它依赖sdl库。安装SDL库：http://www.libsdl.org/