WallyHackenslacker/NxtAR-cam
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Fixed some bugs on the image monitor class.

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This commit is contained in:
Wally Hackenslacker
2013-12-03 16:24:59 -04:30
parent 3696a9cfd4
commit ebbacf4feb
2 changed files with 10 additions and 9 deletions
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14
src/ve/ucv/ciens/ccg/nxtcam/camera/CameraImageMonitor.java
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@@ -6,13 +6,15 @@ public class CameraImageMonitor{
private final String TAG = "CAM_MONITOR";
private final String CLASS_NAME = CameraImageMonitor.class.getSimpleName();
private Object imageMonitor;
private byte[] image;
private boolean imgProduced;
private boolean imgConsumed;
private CameraImageMonitor(){
imgProduced = false;
imgConsumed = false;
imgConsumed = true;
imageMonitor = new Object();
}
private static class SingletonHolder{
@@ -26,13 +28,13 @@ public class CameraImageMonitor{
public void setImageData(byte[] image){
if(imgConsumed){
Logger.log_d(TAG, CLASS_NAME + ".setImageData() :: Copying new image.");
synchronized(this.image){
synchronized(this.imageMonitor){
//this.image = new byte[image.length];
//System.arraycopy(image, 0, this.image, 0, image.length);
this.image = image;
imgProduced = true;
imgConsumed = false;
this.image.notifyAll();
this.imageMonitor.notifyAll();
}
Logger.log_d(TAG, CLASS_NAME + ".setImageData() :: Data copy finished.");
}else{
@@ -43,10 +45,10 @@ public class CameraImageMonitor{
public byte[] getImageData(){
byte[] returnImg;
Logger.log_d(TAG, CLASS_NAME + ".getImageData() :: Entry point.");
synchronized(image){
synchronized(imageMonitor){
while(!imgProduced){
Logger.log_d(TAG, CLASS_NAME + ".getImageData() :: Waiting for new image.");
try{ image.wait(); }catch(InterruptedException ie){ }
try{ imageMonitor.wait(); }catch(InterruptedException ie){ }
}
Logger.log_d(TAG, CLASS_NAME + ".getImageData() :: Retrieving new image.");
returnImg = image;
@@ -58,6 +60,6 @@ public class CameraImageMonitor{
}
public synchronized boolean hasChanged(){
return imgProduced;
return imgConsumed;
}
}

3
src/ve/ucv/ciens/ccg/nxtcam/camera/CameraPreview.java
View File

@@ -117,8 +117,7 @@ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback
@Override
public void onPreviewFrame(byte[] data, Camera camera){
Logger.log_d(TAG, CLASS_NAME + ".onPreviewFrame() :: Preview received");
Logger.log_d(TAG, CLASS_NAME + ".onPreviewFrame() :: Frame has" + (imgMonitor.hasChanged() ? "" : " not") + " changed.");
if(!imgMonitor.hasChanged())
Logger.log_d(TAG, CLASS_NAME + ".onPreviewFrame() :: Frame has" + (imgMonitor.hasChanged() ? "" : " not") + " been consumed.");
imgMonitor.setImageData(data);
}