working

Signed-off-by: Umair Khan <[email protected]>

Author: omerjerk

src/in/omerjerk/processing/video/android/Capture.java

@@ -2,6 +2,9 @@
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.List;
+
+import javax.print.attribute.Size2DSyntax;
 
 import android.content.Context;
 import android.hardware.Camera;
@@ -24,6 +27,7 @@ public class Capture extends PImage implements PConstants {
 	private PApplet context;
 
 	private Camera mCamera;
+	private Camera.Parameters parameters;
 	private Size previewSize;
 
 	private static ArrayList<String> camerasList = new ArrayList<String>();
@@ -58,11 +62,17 @@ private void createPreviewWindow() {
         params.gravity = Gravity.TOP | Gravity.LEFT;
         params.height = 1;
         params.width = 1;
-        
+
         try {
 			mCamera = Camera.open(selectedCamera);
-			previewSize = mCamera.getParameters().getPreviewSize();
-			init(previewSize.width, previewSize.height, ARGB);
+			parameters = mCamera.getParameters();
+			setMinimumPreviewSize();
+			mCamera.setParameters(parameters);
+			previewSize = parameters.getPreviewSize();
+			init(previewSize.height, previewSize.width, ARGB);
+			
+			log("Width = " + previewSize.width);
+			log("height = " + previewSize.height);
 			final WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
 			context.runOnUiThread(new Runnable() {
 				@Override
@@ -102,8 +112,9 @@ public String[] list() {
 
 		@Override
 		public void onPreviewFrame(byte[] frame, Camera camera) {
-			log("preview frame received");
 			pixels  = Utils.convertYUV420_NV21toRGB8888(frame, previewSize.width, previewSize.height);
+			pixels = Utils.rotateRGBDegree90(pixels, previewSize.width, previewSize.height);
+			updatePixels();
 		}
 	};
 
@@ -168,4 +179,24 @@ public void surfaceDestroyed(SurfaceHolder holder) {
 	        // do nothing
 	    }
 	}
+	
+	private void setMinimumPreviewSize() {
+		List<Camera.Size> sizes = mCamera.getParameters().getSupportedPreviewSizes();
+		/*
+		Camera.Size minSize = null;
+		for (Camera.Size size : sizes) {
+			log("Size = " + size.width + " height = " + size.height);
+			if (minSize == null) {
+				minSize = size;
+				continue;
+			}
+			if (minSize.width > size.width) {
+				minSize = size;
+			}
+		}*/
+		Camera.Size minSize = sizes.get(sizes.size() - 8);
+		log("minimum width = " + minSize.width + " height = " + minSize.height);
+//		parameters.setPictureSize(minSize.height, minSize.width);
+		parameters.setPreviewSize(minSize.width, minSize.height);
+	}
 }

src/in/omerjerk/processing/video/android/Utils.java

@@ -36,6 +36,8 @@ public static int[] convertYUV420_NV21toRGB8888(byte [] data, int width, int hei
 	        if (i!=0 && (i+2)%width==0)
 	            i+=width;
 	    }
+	    
+	   
 
 	    return pixels;
 	}
@@ -51,4 +53,41 @@ private static int convertYUVtoRGB(int y, int u, int v) {
 	    b = b>255? 255 : b<0 ? 0 : b;
 	    return 0xff000000 | (b<<16) | (g<<8) | r;
 	}
+	
+	public static byte[] rotateYUV420Degree90(byte[] data, int imageWidth, int imageHeight) {
+	    byte [] yuv = new byte[imageWidth*imageHeight*3/2];
+	    // Rotate the Y luma
+	    int i = 0;
+	    for(int x = 0;x < imageWidth;x++)
+	    {
+	        for(int y = imageHeight-1;y >= 0;y--)                               
+	        {
+	            yuv[i] = data[y*imageWidth+x];
+	            i++;
+	        }
+	    }
+	    // Rotate the U and V color components 
+	    i = imageWidth*imageHeight*3/2-1;
+	    for(int x = imageWidth-1;x > 0;x=x-2)
+	    {
+	        for(int y = 0;y < imageHeight/2;y++)                                
+	        {
+	            yuv[i] = data[(imageWidth*imageHeight)+(y*imageWidth)+x];
+	            i--;
+	            yuv[i] = data[(imageWidth*imageHeight)+(y*imageWidth)+(x-1)];
+	            i--;
+	        }
+	    }
+	    return yuv;
+	}
+	
+	public static int[] rotateRGBDegree90(int[] data, int width, int height) {
+		int[] rotatedData = new int[data.length];
+		for (int y = 0; y < height; y++) {
+		    for (int x = 0; x < width; x++)
+		        rotatedData[x * height + height - y - 1] = data[x + y * width];
+		}
+		return rotatedData;
+	}
+
 }