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ffmpeg 裁剪定制编译过多次了 这里记录下 主题部分

关于ffmpeg自定义编解码器

FFmpeg codec HOWTO - MultimediaWiki

一 环境

ubuntu 18.04

ffmpeg:

v4.2.2 

ndk :android-ndk-r20b-linux-x86_64

fdk-aac 0.1.5

x264: 0.164.x 

1.1  下载编译fdk-aac 

 wget http://jaist.dl.sourceforge.net/project/opencore-amr/fdk-aac/fdk-aac-0.1.5.tar.gz

tar -xvf fdk-aac-0.15.tar.gz

 编写编译文件 

touch build_fdk_aac_clang_android.sh

#!/bin/bash
NDK=$ANDROID_NDK_HOME   # 这里需要替换成你本地的 NDK 路径，其他的不用修改
HOST_TAG=linux-x86_64
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/$HOST_TAG
ANDROID_LIB_PATH="$(pwd)/android"
echo $ANDROID_LIB_PATHAPI=21function build_android
{
echo "Build fdk-aac for android $CPU"
./configure \
--host=$HOST \
--disable-shared \
--enable-static \
--prefix="$ANDROID_LIB_PATH/$CPU" \CPPFLAGS="-fPIC"make clean
make -j8
make install
echo "Build fdk-aac for android $CPU completed"
}# armeabi-v7a
CPU=armeabi-v7a
HOST=arm-linux-android
export AR=$TOOLCHAIN/bin/arm-linux-androideabi-ar
export AS=$TOOLCHAIN/bin/arm-linux-androideabi-as
export LD=$TOOLCHAIN/bin/arm-linux-androideabi-ld
export RANLIB=$TOOLCHAIN/bin/arm-linux-androideabi-ranlib
export STRIP=$TOOLCHAIN/bin/arm-linux-androideabi-strip
export CC=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang
export CXX=$TOOLCHAIN/bin/armv7a-linux-androideabi$API-clang++
build_android# arm64-v8a
CPU=arm64-v8a
HOST=aarch64-linux-android
export AR=$TOOLCHAIN/bin/aarch64-linux-android-ar
export AS=$TOOLCHAIN/bin/aarch64-linux-android-as
export LD=$TOOLCHAIN/bin/aarch64-linux-android-ld
export RANLIB=$TOOLCHAIN/bin/aarch64-linux-android-ranlib
export STRIP=$TOOLCHAIN/bin/aarch64-linux-android-strip
export CC=$TOOLCHAIN/bin/aarch64-linux-android$API-clang
export CXX=$TOOLCHAIN/bin/aarch64-linux-android$API-clang++
build_android

1.2 x264

wget https://code.videolan.org/videolan/x264/-/archive/master/x264-master.tar.bz2

tar -xvf x264-master.tar.bz2

 编写编译文件 

touch build_x264_clang_android.sh

#!/bin/bash
export NDK=$ANDROID_NDK_HOME # 这里需要替换成你本地的 NDK 路径，其他的不用修改
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64
export API=21function build_android
{
./configure \--prefix=$PREFIX \--disable-cli \--enable-static \--enable-pic \--host=$my_host \--cross-prefix=$CROSS_PREFIX \--sysroot=$NDK/toolchains/llvm/prebuilt/linux-x86_64/sysroot \make clean
make -j8
make install
}#arm64-v8a
PREFIX=$(pwd)/android/arm64-v8a
my_host=aarch64-linux-android
export TARGET=aarch64-linux-android
export CC=$TOOLCHAIN/bin/$TARGET$API-clang
export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
CROSS_PREFIX=$TOOLCHAIN/bin/aarch64-linux-android-
build_android#armeabi-v7a
PREFIX=$(pwd)/android/armeabi-v7a
my_host=armv7a-linux-android
export TARGET=armv7a-linux-androideabi
export CC=$TOOLCHAIN/bin/$TARGET$API-clang
export CXX=$TOOLCHAIN/bin/$TARGET$API-clang++
CROSS_PREFIX=$TOOLCHAIN/bin/arm-linux-androideabi-
build_android

1.3 ffmpeg

wget https://ffmpeg.org/releases/ffmpeg-4.2.2.tar.bz2

 或者github

GitHub - FFmpeg/FFmpeg: Mirror of https://git.ffmpeg.org/ffmpeg.git

   脚本

touch build_ffmpeg_aac_x264_android.sh

#!/bin/bash
#你自己的NDK路径.
export NDK=$ANDROID_NDK_HOME
TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64function build_android
{./configure \
--prefix=$PREFIX \
--enable-neon  \
--enable-nonfree \
--enable-hwaccels  \
--enable-gpl   \
--enable-postproc \
--enable-shared \
--disable-debug \
--enable-small \
--enable-jni \
--enable-mediacodec \
--enable-decoder=h264_mediacodec \
--disable-static \
--disable-doc \
--enable-ffmpeg \
--disable-ffplay \
--disable-ffprobe \
--disable-avdevice \
--disable-doc \
--disable-symver \
--enable-libx264 \
--enable-libfdk-aac \
--enable-encoder=libx264 \
--enable-encoder=libfdk_aac \
--cross-prefix=$CROSS_PREFIX \
--target-os=android \
--arch=$ARCH \
--cpu=$CPU \
--cc=$CC \
--cxx=$CXX \
--enable-cross-compile \
--sysroot=$SYSROOT \
--extra-cflags="-I$X264_INCLUDE -I$FDK_INCLUDE -Os -fpic $OPTIMIZE_CFLAGS" \
--extra-ldflags="-lm -L$FDK_LIB -L$X264_LIB $ADDI_LDFLAGS" make clean
make
make installecho "编译成功 $CPU"}#armv8-a
ARCH=arm64
CPU=armv8-a
API=21
CC=$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/$CPU
OPTIMIZE_CFLAGS="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "BASE_PATH=/home/t/third_parts
LIB_TARGET_ABI=arm64-v8a#指定 fdk-aac 的头文件和静态库目录
FDK_INCLUDE=$BASE_PATH/fdk-aac-0.1.5/android/$LIB_TARGET_ABI/include
FDK_LIB=$BASE_PATH/fdk-aac-0.1.5/android/$LIB_TARGET_ABI/lib#指定 x264 的头文件和静态库目录
X264_INCLUDE=$BASE_PATH/x264-master/android/$LIB_TARGET_ABI/include
X264_LIB=$BASE_PATH/x264-master/android/$LIB_TARGET_ABI/libbuild_android#armv7-a
ARCH=arm
CPU=armv7-a
API=21
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="-mfloat-abi=softfp -mfpu=vfp -marm -march=$CPU "BASE_PATH=/home/t/third_parts
LIB_TARGET_ABI=armeabi-v7a
FDK_INCLUDE=$BASE_PATH/fdk-aac-0.1.5/android/$LIB_TARGET_ABI/include
FDK_LIB=$BASE_PATH/fdk-aac-0.1.5/android/$LIB_TARGET_ABI/lib
X264_INCLUDE=$BASE_PATH/x264/android/$LIB_TARGET_ABI/include
X264_LIB=$BASE_PATH/x264/android/$LIB_TARGET_ABI/libbuild_android

可以静态库动态库同时编译 

 关于 pkg-config 

1.4 x265

FFmpeg 集成 x265 编译及解码_ffmpeg x265-CSDN博客

ffmpeg 5.0后内部 mediaocodec 已支持硬编 h264