流媒体程序开发之H264解码器移植到OPhone - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-21
| final int VideoHeight = 288; private ImageView ImageLayout = null; private TextView FPSLayout = null; private H264decode Decode = null; private Handler H = null; private byte[] Buffer = null; private int DecodeCount = 0; private long StartTime = 0; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ImageLayout = (ImageView) findViewById(R.id.ImageView); FPSLayout = (TextView) findViewById(R.id.TextView); Decode = new H264decode(); StartTime = System.currentTimeMillis(); new Thread(new Runnable(){ public void run() { StartDecode(); } }).start(); H = new Handler(){ public void handleMessage(Message msg) { ImageLayout.invalidate(); ImageLayout.setImageBitmap(BitmapFactory.decodeByteArray(Buffer, 0, Buffer.length)); long Time = (System.currentTimeMillis()-StartTime)/1000; if(Time > 0){ FPSLayout.setText("雑継扮寂:" + Time + "昼 盾鷹屐方:" + DecodeCount + " FPS:" + (DecodeCount/Time) ); } } }; } private void StartDecode(){ File h264file = new File("/tmp/Demo.264"); InputStream h264stream = null; try { h264stream = new FileInputStream(h264file); ByteBuffer pInBuffer = ByteBuffer.allocate(51200);//蛍塘50k議産贋 ByteBuffer pRGBBuffer = ByteBuffer.allocate(VideoWidth*VideoHeight*3); while (h264stream.read(pInBuffer.array(), pInBuffer.position(), pInBuffer.remaining()) >= 0) { pInBuffer.position(0); do{ int DecodeLength = Decode.DecodeOneFrame(pInBuffer, pRGBBuffer); //泌惚盾鷹撹孔?委盾鷹竃栖議夕頭?幣竃栖 if(DecodeLength > 0 && pRGBBuffer.position() > 0){ //廬算RGB忖准葎BMP BMPImage bmp = new BMPImage(pRGBBuffer.array(),VideoWidth,VideoHeight); Buffer = bmp.getByte(); H.sendMessage(H.obtainMessage()); |
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