Android NDK 交叉编译FFmpeg

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sambapasswd -a root

编译ffmpeg源码

[code]#!/bin/bash
echo "进入编译ffmpeg脚本"
NDK=/root/ff/android-ndk-r14b
#5.0
PLATFORM=$NDK/platforms/android-21/arch-arm
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64
CPU=armv7-a
#输出路径
PREFIX=./android/$CPU
function buildFF
{
echo "开始编译ffmpeg"
./configure \
--prefix=$PREFIX \
--target-os=android \
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
--arch=arm \
--cpu=$CPU  \
--sysroot=$PLATFORM \
--extra-cflags="$CFLAG" \
--cc=$TOOLCHAIN/bin/arm-linux-androideabi-gcc \
--nm=$TOOLCHAIN/bin/arm-linux-androideabi-nm \
--enable-shared \
--enable-runtime-cpudetect \
--enable-gpl \
--enable-small \
--enable-cross-compile \
--disable-debug \
--disable-static \
--disable-doc \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-ffserver \
--disable-postproc \
--disable-avdevice \
--disable-symver \
--disable-stripping \
$ADD
make -j16
make install
echo "编译结束！"
}
###########################################################
echo "编译支持neon和硬解码"
CPU=armv7-a
PREFIX=./android/armv7-a-neon-hard
CFLAG="-I$PLATFORM/usr/include -fPIC -DANDROID -mfpu=neon -mfloat-abi=softfp "
ADD="--enable-asm \
--enable-neon \
--enable-jni \
--enable-mediacodec \
--enable-decoder=h264_mediacodec \
--enable-hwaccel=h264_mediacodec "
buildFF

###########################################################
echo "编译不支持neon和硬解码"
CPU=armv7-a
PREFIX=./android/$CPU
CFLAG="-I$PLATFORM/usr/include -fPIC -DANDROID -mfpu=vfp -mfloat-abi=softfp "
ADD=
buildFF