安卓用ffmepg软解h264码流时花屏是什么原因

[Sourcew]

package com.zhutieju.testservice;

import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;

/**
 * 服务端主Activity
 * 
 * @author Administrator
 * 
 */
public class MainActivity extends Activity {
	public static final String TAG = "服务端日志";
	//ServerThread thread;
	ReadFileThread thread;
	boolean isActivity = true;// 控制线程ServerThread的run方法
	long decoder;
	H264Android h264;
	byte[] mPixel = new byte[1280 * 720*10];
	ByteBuffer buffer = ByteBuffer.wrap(mPixel);
	public static ArrayList<byte[]> framebuf = new ArrayList<byte[]>();
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(new MyView(this));
		h264 = new H264Android();
		decoder =  h264.initDecoder(1280,720);
		int i = mPixel.length;
		for (i = 0; i < mPixel.length; i++) {
			mPixel[i] = (byte) 0x00;
		}
		//thread = new ServerThread();
		thread = new ReadFileThread();
		thread.start();
		new Thread(new DecordeThread()).start();
	}

	@Override
	protected void onDestroy() {
		// TODO Auto-generated method stub
		super.onDestroy();
		if (thread.isAlive()) {
			isActivity = false;
		}
		finish();
		System.exit(0);
	}

	
	
	/**
	 * 读取文件类
	 * @author Administrator
	 *
	 */
	public class ReadFileThread extends Thread {
		int file_index = 0;
		File file = new File(Environment.getExternalStorageDirectory().getPath()+"/movies/RecordH264.h264");
		@Override
		public void run() {
			try {
				while(file_index<file.length()) {
					byte[] data = new byte[1024*50];
					RandomAccessFile raf = new RandomAccessFile(file, "r");
					int len = readOneFrame(raf, data);
					Log.i(TAG, "一帧长度为:"+len);
					byte[] newData = new byte[len];
					System.arraycopy(data, 0, newData, 0, len);
					//Log.i(TAG, "前四个字节为："+newData[0]+" "+newData[1]+" "+newData[2]+" "+newData[3]);
					setOrget(1, newData);
				}
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		/**
		 * 读取一帧长度
		 * @param raf	读取文件流
		 * @param data	保存读取的数据
		 * @return		返回一帧长度
		 * @throws IOException
		 */
		private int readOneFrame(RandomAccessFile raf,byte[] data) throws IOException {
			int len = 0;//表示一帧长度
			raf.seek(file_index);
			while(true) {
				if((data[len++] = raf.readByte())==0 && (data[len++] = raf.readByte())==0 ) {
					if((data[len++] = raf.readByte()) < 2 && len>6) {
						if(data[len - 1] == 0) {
							if((data[len++]=raf.readByte())==1) {
								file_index+=(len - 4);
								return len - 4;
							} else {
								continue;
							}
						} else {
							file_index+=(len - 3);
							return len - 3;
						}
					} else {
						continue;
					}
				} else {
					continue;
				}
			}
		}
	}
	

	
	/**
	 * 保存或获取数据
	 * @param type
	 * @param data
	 * @return
	 */
	public synchronized byte[] setOrget(int type,byte[] data) {
		switch (type) {
		case 1:	//放入数据
			framebuf.add(data);
			return null;
		case 0: //获取数据
			if(framebuf.size()>0) {
				byte[] b = framebuf.get(0);
				framebuf.remove(0);
				return b;
			}
		}
		return null;
	}
	
	
	
	/**
	 * 解码线程类
	 * @author Administrator
	 *
	 */
	class DecordeThread implements Runnable {
		@Override
		public void run() {
			while(true) {
				byte[] dataa = setOrget(0, null);
				if (dataa != null&&dataa.length > 0) {//一帧数据收到解码
					int resout = h264.dalDecoder(dataa, dataa.length, mPixel);
					if(resout>0) {
						Bitmap videoBit = Bitmap.createBitmap(1280, 720, Config.RGB_565);
						buffer.position(0);//将下一个读写位置置为0 
						videoBit.copyPixelsFromBuffer(buffer);
						Util.setOrgetBitmap(0, videoBit);
						Log.i(TAG, "集合中的数据："+Util.list.size());
					}
				} 
			}
		}
	}
	
	public static String nowTime() {
		  Calendar c = Calendar.getInstance();
		  c.setTimeInMillis(new Date().getTime());
		  SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		  return dateFormat.format(c.getTime());
		 }
}

工程文件：http://url.cn/NXCTMJ
720p的h264文件：http://url.cn/NvcZdM

[Sourcew]

没有大神帮忙吗，自顶一下

[sagittarius1988]

好像是描画速度没跟上解码速度？

[媒体盒子]

原因很简单，颜色空间不对，你可以看ffmpeg的ffplay程序解码h264数据后都会用sws_scale转化下颜色空间