query media file info and sample/ for test

Author: Oliver

bin/Player.apk

@@ -0,0 +1,21 @@
+a.mp4
+ipod.m4v
+mpeg2.m2v
+
+is LEGAL media file
+
+
+
+b.mp4 is a FAKE media file which is a text file with a ".mp4" suffix.
+
+
+auto orientation detect.
+slow.
+
+example videos are from apple.com
+
+a.mp4 is very big. so it's extremely slow.
+
+Run on Ubuntu11.10, eclipse, Android AVD at API Level 14(4.0).
+
+That's all.

bin/classes.dex

@@ -14,6 +14,9 @@ public static final class drawable {
         public static final int desktop=0x7f020000;
         public static final int ic_launcher=0x7f020001;
         public static final int qq=0x7f020002;
+        public static final int question_blue=0x7f020003;
+        public static final int question_red=0x7f020004;
+        public static final int question_redwhite=0x7f020005;
     }
     public static final class id {
         public static final int browseFilePanel=0x7f050001;

bin/classes/sysu/ss/xu/FFmpeg.class

@@ -21,16 +21,16 @@ public class FFmpeg {
 	public native String play(String filePath);
 
 	// ffmpeg api
-	public native void avRegisterAll();
-	public native boolean avOpenInputFile(String filePath);
-	public native boolean avFindStreamInfo();
-	public native boolean findVideoStream();
-	public native boolean avcodecFindDecoder();
-	public native boolean avcodecOpen();
-	public native void avcodecAllocFrame();
-	public native void avFree();	  
-	public native void avcodecClose();	  
-	public native void avCloseInputFile();
+	private native void avRegisterAll();
+	private native boolean avOpenInputFile(String filePath);
+	private native boolean avFindStreamInfo();
+	private native boolean findVideoStream();
+	private native boolean avcodecFindDecoder();
+	private native boolean avcodecOpen();
+	private native void avcodecAllocFrame();
+	private native void avFree();	  
+	private native void avcodecClose();	  
+	private native void avCloseInputFile();
 
 	// functional call
 	public native String getCodecName();

bin/classes/sysu/ss/xu/FileBrowser$1.class

@@ -2,11 +2,17 @@
 
 import android.app.Activity;
 import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.text.SpannableString;
+import android.text.InputFilter.LengthFilter;
+import android.text.style.ImageSpan;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.LinearLayout;
 import android.widget.TextView;
+import android.widget.Toast;
 
 public class FileBrowser {
 
@@ -20,6 +26,13 @@ public class FileBrowser {
 
 	private final int falseColor = Color.BLUE;
 	private final int trueColor = Color.RED;
+	private Drawable selectedIcon;
+	private FFmpeg ffmpeg;
+	private boolean isMediaFile;
+	protected String codecName;
+	protected int width;
+	protected int height;
+	protected String toastString;
 
 	public FileBrowser(Activity activity) {
 		this.activity = activity;
@@ -28,6 +41,8 @@ public FileBrowser(Activity activity) {
 
 		selected = false;
 		selectedIndex = -1;
+		selectedIcon = activity.getResources().getDrawable(R.drawable.question_red);
+		ffmpeg = FFmpeg.getInstance();
 	}
 
 	public void setItems(String path, String[] items) {
@@ -50,30 +65,70 @@ private void pack() {
 		for (int index = 0; index < length; index++) {
 			fileView[index] = (LinearLayout) inflater.inflate(R.layout.file, null).findViewById(R.id.fileView);
 
+			/* textview[0] */
 			TextView fileFlag = (TextView) fileView[index].getChildAt(0);
 			fileFlag.setBackgroundColor(falseColor);
 
+			/* textview[1] */
 			TextView text = (TextView) fileView[index].getChildAt(1);
 			text.setText(items[index]);
-			addListener(text, index, fileView);
+			
+			if( ffmpeg.isMediaFile( path + "/" + items[index] ) )
+				isMediaFile = true;
+			else
+				isMediaFile = false;
+			addSelectEventListener(text, index, fileView, isMediaFile);
+			if( isMediaFile == true ) {
+				addQueryEventListener(fileFlag, text, index);
+			}
 			browseFilePanel.addView(fileView[index]);
 		}
 	}
 
-	private void addListener(TextView text, final int index, final LinearLayout[] fileView) {
+	private void addQueryEventListener(TextView fileFlag, final TextView text, final int index) {
+		fileFlag.setOnClickListener(new OnClickListener() {
+			
+			@Override
+			public void onClick(View v) {
+				String filePath = path + "/" + items[index];
+				
+				ffmpeg.openFile(filePath);
+				codecName = ffmpeg.getCodecName();
+				width = ffmpeg.getWidth();
+				height = ffmpeg.getHeight();
+				ffmpeg.cleanUp();
+				
+				toastString = "Codec: " + codecName + "  Width: " + width + "  Height: " + height;
+			
+				Toast.makeText(activity, toastString, Toast.LENGTH_LONG);
+				text.setText(toastString);
+				
+			}
+		});
+	}
+
+	private void addSelectEventListener(final TextView text, final int index, final LinearLayout[] fileView, final boolean isSelectedMediaFile) {
 		text.setOnClickListener(new OnClickListener() {
 
 			@Override
 			public void onClick(View v) {
 				// TODO Auto-generated method stub
 				if(selected == true) {
 					fileView[selectedIndex].getChildAt(0).setBackgroundColor(falseColor);
+					( (TextView) fileView[selectedIndex].getChildAt(1) ).setText(items[selectedIndex]);
 
 					selected = false;
 					selectedIndex = -1;
 				}
-								
+				
 				fileView[index].getChildAt(0).setBackgroundColor(trueColor);
+		        
+				if( isSelectedMediaFile == true ) {
+					fileView[index].getChildAt(0).setBackgroundDrawable(selectedIcon);
+				}
+		        
+				
+				
 
 				selected = true;
 				selectedIndex = index;

bin/classes/sysu/ss/xu/FileBrowser$2.class

@@ -91,7 +91,7 @@ public void onDraw(Canvas canvas){
         	if(nativePixels != null) {
         		buffer = ByteBuffer.wrap(nativePixels);
             	bitmap.copyPixelsFromBuffer(buffer);
-        	}        	
+        	}
 
             canvas.drawBitmap(bitmap, 0, 0, p);
         }