NDK学习笔记(十三) 使用AVILib+opengl es 2.0创建一个AVI视频播放器
文章目录
- 1.java代码
- 2.配置cmake GLESv2
- 3.原生代码
- 4.实现效果
demo地址
https://gitee.com/xd_box/AviPlayer
直接上代码
1.java代码
public class OpenGLPlayerActivity extends AbstractPlayerActivity {
private final AtomicBoolean isPlaying = new AtomicBoolean();
private long instance;
private GLSurfaceView glSurfaceView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_open_g_l_player);
glSurfaceView = findViewById(R.id.glSurfaceView);
glSurfaceView.setEGLContextClientVersion(2);
glSurfaceView.setRenderer(renderer);
//请求时渲染帧
glSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
}
@Override
protected void onStart() {
super.onStart();
instance = init(avi);
}
@Override
protected void onResume() {
super.onResume();
glSurfaceView.onResume();
}
@Override
protected void onPause() {
super.onPause();
glSurfaceView.onPause();
}
@Override
protected void onStop() {
super.onStop();
free(instance);
}
private final Runnable player = new Runnable() {
@Override
public void run() {
long frameDelay = (long) (1000 / getFrameRate(avi));
while (isPlaying.get()) {
glSurfaceView.requestRender();
try {
Thread.sleep(frameDelay);
} catch (InterruptedException e) {
break;
}
}
}
};
private final GLSurfaceView.Renderer renderer = new GLSurfaceView.Renderer() {
@Override
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
initSurface(instance, avi);
isPlaying.set(true);
new Thread(player).start();
}
@Override
public void onSurfaceChanged(GL10 gl, int width, int height) {
}
@Override
public void onDrawFrame(GL10 gl) {
if (!render(instance, avi)) {
isPlaying.set(false);
}
}
};
/**
* 初始化渲染器
*
* @param avi
* @return
*/
private native static long init(long avi);
/**
* 初始化opengl surface
*
* @param instance
* @param avi
*/
private native static void initSurface(long instance, long avi);
/**
* 用给定文件读取帧渲染
*
* @param instance
* @param avi
* @return
*/
private native static boolean render(long instance, long avi);
/**
* 释放原生渲染器
*
* @param instance
*/
private native static void free(long instance);
}
2.配置cmake GLESv2
find_library(
GLESv2-lib
GLESv2)
target_link_libraries( # Specifies the target library.
native-lib
# Links the target library to the log library
# included in the NDK.
${
jnigraphics-lib}#开启jnigraphics
${
log-lib}
${
GLESv2-lib}
avi-lib)
3.原生代码
extern "C" {
#include "avilib/avilib.h"
}
#include "cn_study_aviplayer_OpenGLPlayerActivity.h"
#include "Common.h"
#include 4.实现效果
