Assorted logic added to ImageTransferThread. Rewrites

This commit is contained in:
2013-12-18 08:24:35 -04:30
parent aff602d0fc
commit 9bcd7107b0
8 changed files with 24 additions and 18 deletions

View File

@@ -55,6 +55,7 @@ public class CamActivity extends Activity{
Intent intent = getIntent();
serverIp = intent.getStringExtra("address");
imThread = new ImageTransferThread(serverIp);
imThread.start();
}
@Override

View File

@@ -342,7 +342,7 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
@Override
protected Boolean doInBackground(Void... params){
boolean result, done = false;
byte[] buffer = (new String("NxtAR server here!")).getBytes();
byte[] buffer = ProjectConstants.SERVICE_DISCOVERY_MESSAGE.getBytes();
// Create a buffer and tell Android we want to receive multicast datagrams.
packet = new DatagramPacket(buffer, buffer.length);
@@ -359,7 +359,7 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
Logger.log_d(TAG, CLASS_NAME + ".run() :: Found a server at " + packet.getAddress().getHostAddress());
String received = new String(packet.getData());
Logger.log_d(TAG, CLASS_NAME + ".doInBackground() :: Packet payload is\n" + received);
if(received.compareTo("NxtAR server here!") == 0)
if(received.compareTo(ProjectConstants.SERVICE_DISCOVERY_MESSAGE) == 0)
done = true;
}
result = true;

View File

@@ -46,6 +46,8 @@ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback
private Activity parentActivity;
private SurfaceHolder holder;
private Camera camera;
private int previewWidth;
private int previewHeight;
@SuppressWarnings("deprecation")
public CameraPreview(Context context, Camera camera){
@@ -107,6 +109,8 @@ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback
Logger.log_d(TAG, CLASS_NAME + ".surfaceChanged() :: Preview size set at (" + optimal.width + ", " + optimal.height + ")");
camParams.setPreviewSize(optimal.width, optimal.height);
camera.setParameters(camParams);
previewWidth = optimal.width;
previewHeight = optimal.height;
android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
android.hardware.Camera.getCameraInfo(0, info);
@@ -138,9 +142,8 @@ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback
@Override
public void onPreviewFrame(byte[] data, Camera camera){
Size previewSize = camera.getParameters().getPreviewSize();
if(imgMonitor.hasChanged())
imgMonitor.setImageParameters(previewSize.width, previewSize.height);
imgMonitor.setImageParameters(previewWidth, previewHeight);
Logger.log_d(TAG, CLASS_NAME + ".onPreviewFrame() :: Preview received");
Logger.log_d(TAG, CLASS_NAME + ".onPreviewFrame() :: Frame has" + (imgMonitor.hasChanged() ? "" : " not") + " been consumed.");
imgMonitor.setImageData(data);

View File

@@ -63,10 +63,11 @@ public class ImageTransferThread extends Thread{
Object auxiliary;
ImageTransferProtocolMessage simpleMessage;
ImageDataMessage imageMessage;
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
connectToServer();
if(socket.isConnected()){
if(!socket.isConnected()){
Logger.log_e(TAG, CLASS_NAME + ".run() :: Not connected to a server. Finishing thread.");
}else{
while(!done){
@@ -101,7 +102,7 @@ public class ImageTransferThread extends Thread{
sendUnrecognizedMessage();
}else{
// Else if the passed the validity check then proceed to the next protocol state.
// Else if the message passed the validity check then proceed to the next protocol state.
simpleMessage = (ImageTransferProtocolMessage)auxiliary;
if(simpleMessage.message == ImageTransferProtocol.ACK_SEND_NEXT)
threadState = thread_state_t.CAN_SEND;
@@ -113,8 +114,6 @@ public class ImageTransferThread extends Thread{
break;
case CAN_SEND:
final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
// Get the image and it's parameters from the monitor.
Rect imageSize = camMonitor.getImageParameters();
image = camMonitor.getImageData();
@@ -135,11 +134,21 @@ public class ImageTransferThread extends Thread{
}catch(IOException io){
Logger.log_e(TAG, CLASS_NAME + ".run() :: Error sending image to the server: " + io.getMessage());
}
// Clean up stuff.
yuvImage = null;
image = null;
outputStream.reset();
imageMessage = null;
imageSize = null;
threadState = thread_state_t.WAIT_FOR_ACK;
break;
case END_STREAM:
// Simply disconnect from the server.
disconnect();
done = true;
break;
}

View File

@@ -2,7 +2,7 @@ package ve.ucv.ciens.ccg.nxtcam.network.protocols;
import java.io.Serializable;
public final class ImageDataMessage extends ProtocolMessage implements Serializable{
public final class ImageDataMessage implements Serializable{
private static final long serialVersionUID = 9989L;
public static final int magicNumber = 0x10;

View File

@@ -2,7 +2,7 @@ package ve.ucv.ciens.ccg.nxtcam.network.protocols;
import java.io.Serializable;
public final class ImageTransferProtocolMessage extends ProtocolMessage implements Serializable{
public final class ImageTransferProtocolMessage implements Serializable{
private static final long serialVersionUID = 8898L;
public static final int magicNumber = 0x20;

View File

@@ -1,8 +0,0 @@
package ve.ucv.ciens.ccg.nxtcam.network.protocols;
import java.io.Serializable;
@SuppressWarnings("serial")
public abstract class ProtocolMessage implements Serializable {
public static int magicNumber = 0x00;
}

View File

@@ -27,6 +27,7 @@ public abstract class ProjectConstants {
public static final UUID SERIAL_PORT_SERVICE_CLASS_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
public static final String OUI_LEGO = "00:16:53";
public static final String MULTICAST_ADDRESS = "230.0.0.1";
public static final String SERVICE_DISCOVERY_MESSAGE = "NxtAR server here!";
// Activity results.
public static final int RESULT_CAMERA_FAILURE = Activity.RESULT_FIRST_USER + 1;