package com.example.testapp1;
import java.io.IOException;
import java.util.Timer;
import java.util.TimerTask;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.graphics.ImageFormat;
import android.hardware.Camera;
import android.hardware.Camera.PreviewCallback;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import com.ajb.network.EncodeVideo;
public class MainActivity extends Activity {
private SurfaceView surfaceView;
private Camera camera;
private SurfaceHolder surfaceHolder;
private Camera.Parameters mParameters = null;
@SuppressLint("InlinedApi")
private int mCameraId = Camera.CameraInfo.CAMERA_FACING_BACK;
// 不同手机有不同的匹配颜色
private int width = 1280;
private int height = 720;
private int mFrameRate = 25;
private int bitrate = 800*1024;
byte[] h264 = new byte[width * height * 3 / 2];
byte[] mPreBuffer = null;
private AvcEncode avcEncode;
private Button button1;
private Button button2;
private TextView labelFrameRate;
private TextView labelCPULevel;
int a = 1;
Timer timer = null;
Boolean m_bRunning = false;
private long mLastStartCountTime = 0;
private int mFrameCapturedCountInCycle = 0;
static {
// System.loadLibrary("gnustl_shared");
System.loadLibrary("songstudio");
}
EncodeVideo EncoderJni = new EncodeVideo();
@SuppressWarnings("deprecation")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.activity_main);
button1 = (Button) findViewById(R.id.btn_start_preview);
button2 = (Button) findViewById(R.id.btn_stop_preview);
labelFrameRate = (TextView) findViewById(R.id.label_framerate);
labelCPULevel = (TextView) findViewById(R.id.label_cpu_level);
//avcEncode = new AvcEncode(width, height, mFrameRate, bitrate, 20);
EncoderJni.SetFilePath(FileOperator.fileName2);
EncoderJni.SetParameters(width, height, mFrameRate, bitrate, 25);
surfaceView = (SurfaceView) findViewById(R.id.surfaceView);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.setFixedSize(width, height);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
surfaceHolder.addCallback(new SurfaceCallback());
// Sampler.getInstance().init(getApplicationContext(), 3000L);
// Sampler.getInstance().start();
button1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO 自动生成的方法存根
EncoderJni.OpenEncoder();
//avcEncode.startEncode();
camera.startPreview();
mLastStartCountTime = System.currentTimeMillis();
mFrameCapturedCountInCycle = 0;
if(timer != null){
timer.cancel();
timer = null;
}
timer = new Timer();
timer.schedule(new TimerTask() {
//int i=10;
@Override
public void run() {
if(m_bRunning)
{
Message message = new Message();
message.what = 1;
handler.sendMessage(message);
}
else
{
timer.cancel();
System.out.println("timer canceled!");
timer = null;
}
} //run
},
500, 2000);
m_bRunning = true;
}
});
button2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if(camera != null && m_bRunning){
camera.stopPreview();
}
//avcEncode.close();
EncoderJni.CloseEncoder();
m_bRunning = false;
}
});
}
protected void OnDestroy() {
if(camera != null){
camera.stopPreview();
}
EncoderJni.CloseEncoder();
//avcEncode.close();
m_bRunning = false;
super.onDestroy();
}
Handler handler = new Handler() {
public void handleMessage(Message msg) {
long CurrentTime = System.currentTimeMillis();
if(CurrentTime - mLastStartCountTime > 2000)
{
long nAverateFrameRate = mFrameCapturedCountInCycle*1000/(CurrentTime - mLastStartCountTime);
labelFrameRate.setText(Integer.toString((int)nAverateFrameRate));
mLastStartCountTime = CurrentTime;
mFrameCapturedCountInCycle = 0;
}
labelCPULevel.setText(Integer.toString((int)Sampler.getInstance().m_lastCPULevel));
super.handleMessage(msg);
};
};
private final class SurfaceCallback implements Callback, PreviewCallback {
@SuppressLint("NewApi")
public void surfaceCreated(SurfaceHolder holder) {
// TODO 自动生成的方法存根
try {
if (mCameraId == Camera.CameraInfo.CAMERA_FACING_BACK) {
camera = Camera.open();
} else {
camera = Camera.open(mCameraId);
}
camera.setPreviewDisplay(surfaceHolder); //是否预览显示
//camera.setDisplayOrientation(90);
mParameters = camera.getParameters();
mParameters.setPreviewSize(width, height);
mParameters.setPictureSize(width, height);
// 此处颜色设置与后面要匹配 否则颜色会出现变化
mParameters.setPreviewFormat(ImageFormat.YV12);
camera.setParameters(mParameters);
int size = width * height * 3 / 2;
if (mPreBuffer == null) {
mPreBuffer = new byte[size];
}
camera.addCallbackBuffer(mPreBuffer);
camera.setPreviewCallbackWithBuffer(this);
// camera.startPreview();
} catch (Exception e) {
Log.e("TEST", "setPreviewDisplay fail " + e.getMessage());
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
// TODO 自动生成的方法存根
}
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO 自动生成的方法存根
camera.setPreviewCallback(null);
camera.stopPreview();
camera.release();
camera = null;
//avcEncode.close();
}
public void onPreviewFrame(byte[] data, Camera camera) {
//avcEncode.offerEncode(data, h264);
mFrameCapturedCountInCycle++;
EncoderJni.PushData(data, 0);
camera.addCallbackBuffer(mPreBuffer);
}
}
}
