[FFmpeg-devel] [HOWTO] Building FFmpeg for iPhone

[Kvikant, Christian Scilla]

Yoni Levy wrote:
> Did anyone try running this on an iPhone running OS version < 3.0? It
> crashes on runtime when it's not able to find posix_memalign.
>   

These settings worked for me when building FFmpeg v0.50 shared libraries 
for iPhone v2.1:

mini-me:~ kvide$ cat ~/setenv/setenv-arm-apple-darwin9
export TOOL_DIR="/Developer/Platforms/iPhoneOS.platform/Developer/usr"
export 
SYS_DIR="/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS2.1.sdk"
export 
GCC_INC_DIR="/Developer/Platforms/iPhoneOS.platform/Developer/usr/lib/gcc/arm-apple-darwin9/4.0.1/include"
(echo "$PATH" | grep -q "${TOOL_DIR}") || export 
PATH="${TOOL_DIR}/bin:${PATH}"
export ARCH=arm-apple-darwin9
export STRIP="strip"
export LD="ld"
export CC="arm-apple-darwin9-gcc-4.0.1"
export CPPFLAGS="-isystem${SYS_DIR}/usr/include"
export RANLIB="ranlib"
export CXX="arm-apple-darwin9-g++-4.0.1"
export PKG_CONFIG_LIBDIR="${SYS_DIR}/usr/lib/pkgconfig"
export PKG_CONFIG_SYSROOT_DIR="${SYS_DIR}"
export PKG_CONFIG="/sw/bin/pkg-config"
export LDFLAGS="-L${SYS_DIR}/usr/lib"
export MAKE="make"
export CFLAGS="-isystem${SYS_DIR}/usr/include -I${GCC_INC_DIR} 
-mabi=apcs-gnu -mthumb-interwork -miphoneos-version-min=2.1 -O3"
export CXXFLAGS="-isystem${SYS_DIR}/usr/include"
export AS="as"
export AR="ar"
export NM="nm"
export CPP="arm-apple-darwin9-gcc-4.0.1 -E"
export LIBTOOL="libtool"
export 
CODESIGN_ALLOCATE=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/codesign_allocate

mini-me:~ kvide$ cat buildit.sh
#!/bin/sh
#
~/gen_source/ffmpeg/ffmpeg-0.5-iphone/configure \
    --enable-cross-compile \
    --arch=arm \
    --nm=${NM} \
    --cc=arm-apple-darwin9-gcc-4.0.1 \
    --host-cc=arm-apple-darwin9-gcc-4.0.1 \
    --cpu=armv6 \
    --disable-armvfp \
    --disable-iwmmxt \
    --disable-neon \
    --disable-devices \
    --disable-armv5te \
    --enable-armv6 \
    --disable-armv6t2 \
    --disable-ffserver \
    --disable-ffplay \
    --disable-static \
    --enable-shared \
    --disable-encoders \
    --disable-muxers \
    --disable-encoder=flac \
    --disable-decoder=cavs \
    --disable-protocols \
    --disable-devices \
    --disable-network \
    --enable-pthreads \
    --disable-debug \
    
--prefix=/Users/kvide/target/opt/arm-apple-darwin9-release/scilla/ffmpeg/ffmpeg-0.5