# 将configure文件中的：
SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

#替换为：
SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
SLIB_INSTALL_LINKS='$(SLIBNAME)'

#!/bin/bash

NDK=/home/yuanping/Software/NDK/android-ndk-r15c  # NDK所在路径, 注意替换为你的
SYSROOT=$NDK/platforms/android-19/arch-arm/
TOOLCHAIN=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64 # 交叉编译链, 这里使用的是arm, 如果需要编译其他平台的, 更换即可
function build_one
{
./configure \
--prefix=$PREFIX \
--enable-shared \  # 生成动态库
--disable-static \ # 禁止生成静态库
--disable-doc \  # 关闭不需要的功能, 下同
--disable-ffplay \
--disable-ffprobe \
--disable-doc \
--disable-symver \
--disable-ffmpeg \
--enable-small \
--cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
--target-os=linux \
--arch=arm \ 
--enable-cross-compile \
--sysroot=$SYSROOT \
--extra-cflags="-Os -fpic $ADDI_CFLAGS" \
--extra-ldflags="$ADDI_LDFLAGS" \
$ADDITIONAL_CONFIGURE_FLAG
make clean all
make -j3
make install
}
CPU=armv7-a # CPU架构
PREFIX=$(pwd)/android/$CPU # 生成动态库所在路径
ADDI_CFLAGS="-marm"
build_one

cmake_minimum_required(VERSION 3.4.1) # cmake最低版本

add_library( # Sets the name of the library.
             wlffmpeg

             # Sets the library as a shared library.
             SHARED

             # Provides a relative path to your source file(s).
             src/main/jni/ffmpeg/player.c )

add_library( avcodec-58  # 库名字
             SHARED
             IMPORTED)
set_target_properties( avcodec-58
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libavcodec-58.so) 

add_library( avdevice-58
             SHARED
             IMPORTED)
set_target_properties( avdevice-58
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libavdevice-58.so)

add_library( avfilter-7
             SHARED
             IMPORTED)
set_target_properties( avfilter-7
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libavfilter-7.so)

add_library( avformat-58
             SHARED
             IMPORTED)
set_target_properties( avformat-58
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libavformat-58.so)

add_library( avutil-56
             SHARED
             IMPORTED)
set_target_properties( avutil-56
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libavutil-56.so)

add_library( swresample-3
             SHARED
             IMPORTED)
set_target_properties( swresample-3
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libswresample-3.so)

add_library( swscale-5
             SHARED
             IMPORTED)
set_target_properties( swscale-5
                       PROPERTIES IMPORTED_LOCATION
                       ${CMAKE_SOURCE_DIR}/src/main/jni/ffmpeg/armeabi-v7a/libswscale-5.so)


find_library( # Sets the name of the path variable.
              log-lib  # Android内置的log模块, 用于将JNI层的log打到AS控制台

              # Specifies the name of the NDK library that
              # you want CMake to locate.
              log )

include_directories(src/main/jni/ffmpeg/include)

target_link_libraries( # Specifies the target library.  # 链接

                       wlffmpeg  
                       avcodec-58
                       avdevice-58
                       avfilter-7
                       avformat-58
                       avutil-56
                       swresample-3
                       swscale-5

                       # Links the target library to the log library
                       # included in the NDK.
                       ${log-lib} )

android {
    ...
    defaultConfig {
        ...
        externalNativeBuild {
            cmake {
                cppFlags "" 
            }
            ndk {
                abiFilters "armeabi-v7a" # 指定CPU架构
            }
        }
        sourceSets {
            main {
                jniLibs.srcDirs = ['src/main/jni/ffmpeg']  # 指定jni路径
            }
        }
    }
    externalNativeBuild {
        cmake {
            path 'CMakeLists.txt' # 指定cmake的配置文件路径
        }
    }
}

public class FFmpeg {
    static {
        System.loadLibrary("avutil-56");
        System.loadLibrary("swresample-3");
        System.loadLibrary("avcodec-58");
        System.loadLibrary("avformat-58");
        System.loadLibrary("swscale-5");
        System.loadLibrary("avfilter-7");
        System.loadLibrary("avdevice-58");
        System.loadLibrary("wlffmpeg"); // 注意不要忘了加载这个库
    }

    public native void playMyMedia(String url);
}

#include <jni.h>
#include "libavformat/avformat.h"
#include <android/log.h>
#define LOGI(FORMAT,...) __android_log_print(ANDROID_LOG_INFO,"HusterYP",FORMAT,##__VA_ARGS__);  // 输出到AS的log中
#define LOGE(FORMAT,...) __android_log_print(ANDROID_LOG_ERROR,"HusterYP",FORMAT,##__VA_ARGS__);

JNIEXPORT void JNICALL
Java_com_gif_ping_jnidemo_FFmpeg_playMyMedia(JNIEnv *env, jobject instance, jstring url_) {
    const char *url = (*env)->GetStringUTFChars(env, url_, 0);
    LOGI("url:%s", url);
    av_register_all();
    AVCodec *c_temp = av_codec_next(NULL);
    while (c_temp != NULL)
    {
        switch (c_temp->type)
        {
            case AVMEDIA_TYPE_VIDEO:
                LOGI("[Video]:%s", c_temp->name);
                break;
            case AVMEDIA_TYPE_AUDIO:
                LOGI("[Audio]:%s", c_temp->name);
                break;
            default:
                LOGI("[Other]:%s", c_temp->name);
                break;
        }
        c_temp = c_temp->next;
    }
    (*env)->ReleaseStringUTFChars(env, url_, url);
}

public class MainActivity extends AppCompatActivity {

    FFmpeg mFFmpeg;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
    }

    private void init() {
        mFFmpeg = new FFmpeg();
        mFFmpeg.playMyMedia("http://video.xxx"); // 随便找一个视频url啦~
    }
}