11package sysu .ss .xu ;
22
3+ import java .nio .ByteBuffer ;
4+ import java .nio .ShortBuffer ;
5+
36import android .app .Activity ;
47import android .content .Context ;
58import android .graphics .Bitmap ;
@@ -24,110 +27,158 @@ public class PlayerActivity extends Activity {
2427 public void onCreate (Bundle savedInstanceState ) {
2528 super .onCreate (savedInstanceState );
2629
27-
30+ // test();
31+
32+ DisplayMetrics dm = new DisplayMetrics ();
33+ this .getWindowManager ().getDefaultDisplay ().getMetrics (dm );
34+ setContentView (new PlayerView (this , dm .widthPixels , dm .heightPixels ));
2835
29- // TextView tv = new TextView(this);
30- // setContentView(tv);
31- //
32- FFmpeg ff = new FFmpeg ();
36+
37+ }
38+
39+
40+ private void test () {
41+ FFmpeg ff = new FFmpeg ();
3342
3443
35- ff .openFile ("/mnt/sdcard/ipod.m4v " );
44+ ff .openFile ("/mnt/sdcard/mpeg2.m2v " );
3645 int width = ff .getWidth ();
3746 int height = ff .getHeight ();
3847 int bitrate = ff .getBitRate ();
3948
4049 Log .i ("main" , "w " + width );
4150 Log .i ("main" , "h " + height );
4251 Log .i ("main" , "br " + bitrate );
52+ int linesize = width * height ;
4353 byte [] pixels = ff .getNextDecodedFrame ();
44- Log .i ("main" , "" + pixels .length );
45- Log .i ("main" , "0 " + pixels [0 ]);
46- Log .i ("main" , "1 " + pixels [width * height ]);
47- Log .i ("main" , "2 " + pixels [width * height * 2 ]);
48-
49-
50-
51-
52-
53-
54- //setContentView(R.layout.main);
55- // DisplayMetrics dm = new DisplayMetrics();
56- // this.getWindowManager().getDefaultDisplay().getMetrics(dm);
57- // setContentView(new PlayerView(this, dm.widthPixels, dm.heightPixels));
58- // DisplayMetrics dm = new DisplayMetrics();
59- // this.getWindowManager().getDefaultDisplay().getMetrics(dm);
60- // gv = new GameView(this,dm.widthPixels,dm.heightPixels);
61- // setContentView(gv);
62- }
63-
64-
65- class PlayerView extends View implements Runnable {
54+ }
55+
56+
57+ class PlayerView extends View implements Runnable {
6658
6759 private Bitmap bitmap ;
6860 private Paint p ;
6961 private FFmpeg ff ;
7062 private int width ;
7163 private int height ;
72- private int bitrate ;
73- private int [] framePixels ;
7464 private int bitmapWidth ;
65+ private byte [] nativePixels ;
66+ private int [] pixels ;
67+ private ByteBuffer buffer ;
7568
7669
7770 public PlayerView (Context context , int DisplayWidth , int DisplayHeight ) {
7871 super (context );
7972
80- bitmap = Bitmap .createBitmap (DisplayWidth , DisplayHeight , Bitmap .Config .RGB_565 );
8173 //b = BitmapFactory.decodeResource(this.getResources(), R.drawable.qq);
8274 p = new Paint ();
8375
84- Log .i ("pp" , "w: " + DisplayWidth + " h: " + DisplayHeight );
85-
86- bitmapWidth = bitmap .getWidth ();
87- bitmap .setHasAlpha (true );
88-
89- byte r = 0 ; r <<= 3 ;
90- byte g = (byte ) 255 ; g <<= 2 ;
91- byte b = 0 ; b <<= 3 ;
92- int pixelValue =Color .argb (255 , r , g , b );
93- for (int j = 0 ; j < 30 ; j ++)
94- {
95- for (int i = 0 ; i < 30 ; i ++) {
96- bitmap .setPixel (30 + i , 30 + j , pixelValue );
97- }
98- }
76+ // testSetPixel();
9977
10078 ff = new FFmpeg ();
101- ff .openFile ("/mnt/sdcard/ipod.m4v" );
79+ ff .openFile ("/mnt/sdcard/mpeg2.m2v" );
80+ //ff.openFile("/mnt/sdcard/a.mp4");
10281 width = ff .getWidth ();
10382 height = ff .getHeight ();
104- bitrate = ff .getBitRate ();
10583
106- Log .i ("bm" , "w " + width );
107- Log .i ("bm" , "h " + height );
108- Log .i ("bm" , "br " + bitrate );
84+ // bitmap = Bitmap.createBitmap(DisplayWidth, DisplayHeight, Bitmap.Config.RGB_565);
85+ bitmap = Bitmap .createBitmap (width , height , Bitmap .Config .RGB_565 );
86+
87+ Log .i ("view" , "ff w " + width );
88+ Log .i ("view" , "ff h " + height );
89+
90+ nativePixels = ff .getNextDecodedFrame ();
91+ Log .i ("view" , "native.length " + nativePixels .length );
92+ Log .i ("view" , "needed bytes of pixels " + (width * height * 2 ));
93+
94+ // buffer = ShortBuffer.allocate(width * height);
95+ buffer = ByteBuffer .wrap (nativePixels );
96+
97+ // renderCopy();
98+ // testRenderCopy();
99+
100+ bitmap .copyPixelsFromBuffer (buffer );
109101
110102 /* 开启线程 */
111103 new Thread (this ).start ();
112104
113105 Log .i ("player view" , "constructor" );
114- }
115- public void onDraw (Canvas canvas ){
106+ }
107+
108+ private void testRenderCopy () {
109+ // TODO Auto-generated method stub
110+ int rIndex , gIndex , bIndex ;
111+ short temp ;
112+ rIndex = 0 ;
113+ gIndex = width * height ;
114+ bIndex = width * height * 2 ;
115+ temp = 0x0000 ;
116+
117+ Log .i ("test" , "native R " + Integer .toHexString (nativePixels [rIndex ]));
118+ Log .i ("test" , "native G " + Integer .toHexString (nativePixels [gIndex ]));
119+ Log .i ("test" , "native B " + Integer .toHexString (nativePixels [bIndex ]));
120+
121+ temp = (short ) (nativePixels [rIndex ] << 11 );
122+ Log .i ("test" , Integer .toHexString (temp ));
123+ temp = (short ) (temp | ((short ) (nativePixels [gIndex ] << 5 )));
124+ Log .i ("test" , Integer .toHexString (temp ));
125+ temp = (short ) (temp | ((short ) (nativePixels [bIndex ])));
126+ Log .i ("test" , Integer .toHexString (temp ));
127+ }
128+
129+ private void testSetPixel () {
130+ bitmap .setHasAlpha (true );
131+
132+ byte r = 0 ; r <<= 3 ;
133+ byte g = (byte ) 255 ; g <<= 2 ;
134+ byte b = 0 ; b <<= 3 ;
135+ int pixelValue =Color .argb (255 , r , g , b );
136+ for (int j = 0 ; j < 30 ; j ++)
137+ {
138+ for (int i = 0 ; i < 30 ; i ++) {
139+ bitmap .setPixel (30 + i , 30 + j , pixelValue );
140+ }
141+ }
142+ }
143+
144+ public void onDraw (Canvas canvas ){
116145 super .onDraw (canvas );
117146
118- canvas .drawColor (Color .RED );
147+ canvas .drawColor (Color .GREEN );
119148
120- //framePixels = ff.getNextDecodedFrame();
121- ff . getNextDecodedFrame ( );
122- // bitmap.setPixels(framePixels, 0, bitmapWidth, 0, 0, width, height );
123-
124- // canvas.drawBitmap(bitmap, 0, 0, p);
149+ nativePixels = ff .getNextDecodedFrame ();
150+ buffer = ByteBuffer . wrap ( nativePixels );
151+ bitmap .copyPixelsFromBuffer ( buffer );
152+
153+ canvas .drawBitmap (bitmap , 0 , 0 , p );
125154
126155
127156 }
128157
129158
130- public void run () {
159+ private void renderCopy () {
160+ //TODO
161+ int rIndex , gIndex , bIndex ;
162+ short temp ;
163+ rIndex = 0 ;
164+ gIndex = width * height ;
165+ bIndex = width * height * 2 ;
166+ temp = 0x0000 ;
167+
168+ buffer .rewind ();
169+ for (int loop = 0 ; loop < buffer .capacity (); loop ++) {
170+ temp = (short ) (nativePixels [rIndex ] << 11 );
171+ temp = (short ) (temp | ((short ) (nativePixels [gIndex ] << 5 )));
172+ temp = (short ) (temp | ((short ) (nativePixels [bIndex ])));
173+ // buffer.put( temp );
174+
175+ ++rIndex ;
176+ ++gIndex ;
177+ ++bIndex ;
178+ }
179+ buffer .rewind ();
180+ }
181+ public void run () {
131182 while (!Thread .currentThread ().isInterrupted ()) {
132183 try {
133184 Thread .sleep (100 );
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