前言
一顿折腾用老版本 NDK 编译成功了,然后再研究研究新版本的
毕竟要与时俱进嘛 ヾ(•ω•`)o
本文脚本均通过本地编译测试,如有问题清结合本地情况相应修改
注:NDK 路径是一定要改的(除非你的用户名,放 NDK 的地方的都和我一样,嘿嘿)
环境
- NDK r20b (Linux 64 位)
- ffmpeg 4.2.2
armv7-a
#!/bin/bash
NDK=/home/guoguang/Android/android-ndk-r20b
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64
#这里修改的是最低支持的android sdk版本(r20版本ndk中armv8a、x86_64最低支持21,armv7a、x86最低支持16)
API=16
function build_android
{
echo "Compiling FFmpeg for $CPU"
./configure \
--prefix=$PREFIX \
--disable-neon \
--disable-hwaccels \
--disable-gpl \
--disable-postproc \
--enable-shared \
--enable-jni \
--disable-mediacodec \
--disable-decoder=h264_mediacodec \
--disable-static \
--disable-doc \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-avdevice \
--disable-doc \
--disable-symver \
--cross-prefix=$CROSS_PREFIX \
--target-os=android \
--arch=$ARCH \
--cpu=$CPU \
--cc=$CC \
--cxx=$CXX \
--enable-cross-compile \
--sysroot=$SYSROOT \
--extra-cflags="-Os -fpic $OPTIMIZE_CFLAGS" \
--extra-ldflags="$ADDI_LDFLAGS" \
$ADDITIONAL_CONFIGURE_FLAG
echo "Configure complete!"
make clean
echo "Start building..."
make -j4
echo "Start installing..."
make install
echo "The Compilation of FFmpeg for $CPU is completed"
}
#armv7-a
ARCH=arm
CPU=armv7-a
CC=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang
CXX=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang++
SYSROOT=$NDK/toolchains/llvm/prebuilt/linux-x86_64/sysroot
CROSS_PREFIX=$TOOLCHAIN/bin/arm-linux-androideabi-
PREFIX=$(pwd)/android/$CPU
OPTIMIZE_CFLAGS="-march=$CPU"
build_android
armv8-a
#!/bin/bash
NDK=/home/guoguang/Android/android-ndk-r20b
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64/
#这里修改的是最低支持的android sdk版本(r20版本ndk中armv8a、x86_64最低支持21,armv7a、x86最低支持16)
API=21
function build_android
{
#相当于Android中Log.i
echo "Compiling FFmpeg for $CPU"
./configure \
--prefix=$PREFIX \
--disable-neon \
--disable-hwaccels \
--disable-gpl \
--disable-postproc \
--enable-shared \
--enable-jni \
--disable-mediacodec \
--disable-decoder=h264_mediacodec \
--disable-static \
--disable-doc \
--disable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-avdevice \
--disable-doc \
--disable-symver \
--cross-prefix=$CROSS_PREFIX \
--target-os=android \
--arch=$ARCH \
--cpu=$CPU \
--cc=$CC \
--cxx=$CXX \
--enable-cross-compile \
--sysroot=$SYSROOT \
--extra-cflags="-Os -fpic $OPTIMIZE_CFLAGS" \
--extra-ldflags="$ADDI_LDFLAGS" \
$ADDITIONAL_CONFIGURE_FLAG
echo "Configure complete! cleaning lase make..."
make clean
echo "Start building..."
make -j4
echo "Start installing..."
make install
echo "The Compilation of FFmpeg for $CPU is completed"
}
#armv8-a
ARCH=arm64
CPU=armv8-a
CC=$TOOLCHAIN/bin/aarch64-linux-android$API-clang
CXX=$TOOLCHAIN/bin/aarch64-linux-android$API-clang++
SYSROOT=$NDK/toolchains/llvm/prebuilt/linux-x86_64/sysroot
CROSS_PREFIX=$TOOLCHAIN/bin/aarch64-linux-android-
PREFIX=$(pwd)/android/$CPU
OPTIMIZE_CFLAGS="-march=$CPU"
build_android
参考文章: vampirealone - FFMPEG-Android利用ndk(r20)编译最新版本ffmpeg4.2.1