ffmpeg编译shell

最新推荐文章于 2024-06-25 09:53:04 发布

转载最新推荐文章于 2024-06-25 09:53:04 发布 · 800 阅读

流媒体专栏收录该内容

43 篇文章

订阅专栏

本文介绍如何使用FFmpeg进行iOS设备(iPhone 3G, iPhone 3GS)及模拟器的跨平台编译过程，包括配置参数、编译环境搭建等关键步骤。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

转载地址

#!/bin/bash

ROOT_PATH=`pwd`/`dirname "$0"`
LIB_PATH=$ROOT_PATH/ffmpeg_build

if [ ! -s $ROOT_PATH/ffmpeg/libswscale ] ; then
ln -sf ../libswscale/ $ROOT_PATH/ffmpeg/libswscale
fi

mkdir -p $LIB_PATH/{i386,iphone3g,iphone3gs}

PATH=$PATH:$ROOT_PATH

COMMON_PARAMS="--disable-doc --disable-ffplay --disable-ffserver \
--disable-encoders --disable-decoders --disable-hwaccels \
--disable-muxers --disable-demuxers --disable-parsers --disable-bsfs \
--disable-protocols --disable-indevs --disable-outdevs --disable-devices \
--disable-filters --disable-network --disable-zlib --disable-bzlib \
--enable-decoder=h264 \
--enable-demuxer=h264 \
--enable-parser=h264"

# Note - to disable optimizations (for debugging, etc.), add the following:
# --enable-decoder=h263 --enable-decoder=svq3 --disable-optimizations"

cd $LIB_PATH/iphone3gs

../../ffmpeg/configure --enable-cross-compile --arch=arm --target-os=darwin \
--cc=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/clang \
--sysroot=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.0.sdk \
--extra-cflags='-arch armv7' --extra-ldflags='-arch armv7' --enable-pic \
$COMMON_PARAMS

make

cd $LIB_PATH/iphone3g

../../ffmpeg/configure --enable-cross-compile --arch=arm --target-os=darwin \
--cc=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/clang \
--sysroot=/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.0.sdk \
--extra-cflags='-arch armv6' --extra-ldflags='-arch armv6' --enable-pic \
$COMMON_PARAMS

make

cd $LIB_PATH/i386

SIMULATOR_CONFIG=""

../../ffmpeg/configure --enable-cross-compile --arch=i386 --target-os=darwin \
--cc=/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang \
--sysroot=/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.0.sdk \
--extra-cflags='-arch i386' --extra-ldflags='-arch i386' --enable-pic --disable-mmx --disable-mmx2 \
$COMMON_PARAMS

make

cd $LIB_PATH

for l in `echo -ne "libavcodec\nlibavdevice\nlibavformat\nlibavutil\nlibswscale"`; do
lipo -create "i386/$l/$l.a" "iphone3gs/$l/$l.a" "iphone3g/$l/$l.a" -output "$l.a";
done