From ad35f317f60462f69eeda56fecd255bbc5939231 Mon Sep 17 00:00:00 2001 From: Andrey Kamaev Date: Tue, 21 Aug 2012 17:44:24 +0400 Subject: [PATCH 1/6] Fix buffer allocation in Android camera --- modules/highgui/src/cap_android.cpp | 134 ++++++++++++++-------------- 1 file changed, 66 insertions(+), 68 deletions(-) diff --git a/modules/highgui/src/cap_android.cpp b/modules/highgui/src/cap_android.cpp index 9e5788a8e5..e188bb6236 100644 --- a/modules/highgui/src/cap_android.cpp +++ b/modules/highgui/src/cap_android.cpp @@ -48,12 +48,15 @@ #include #include -#if !defined(LOGD) && !defined(LOGI) && !defined(LOGE) +//#if !defined(LOGD) && !defined(LOGI) && !defined(LOGE) +#undef LOGD +#undef LOGE +#undef LOGI #define LOG_TAG "CV_CAP" #define LOGD(...) ((void)__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)) #define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)) #define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)) -#endif +//#endif class HighguiAndroidCameraActivity; @@ -86,8 +89,8 @@ protected: //raw from camera int m_width; int m_height; - unsigned char *m_frameYUV420; - unsigned char *m_frameYUV420next; + cv::Mat m_frameYUV420; + cv::Mat m_frameYUV420next; enum YUVformat { @@ -115,9 +118,9 @@ private: bool m_hasColor; enum CvCapture_Android_DataState { - CVCAPTURE_ANDROID_STATE_NO_FRAME=0, - CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED, - CVCAPTURE_ANDROID_STATE_HAS_FRAME_GRABBED + CVCAPTURE_ANDROID_STATE_NO_FRAME=0, + CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED, + CVCAPTURE_ANDROID_STATE_HAS_FRAME_GRABBED }; volatile CvCapture_Android_DataState m_dataState; @@ -189,8 +192,8 @@ CvCapture_Android::CvCapture_Android(int cameraId) m_height = 0; m_activity = 0; m_isOpened = false; - m_frameYUV420 = 0; - m_frameYUV420next = 0; + // m_frameYUV420 = 0; + // m_frameYUV420next = 0; m_hasGray = false; m_hasColor = false; m_dataState = CVCAPTURE_ANDROID_STATE_NO_FRAME; @@ -231,20 +234,19 @@ CvCapture_Android::~CvCapture_Android() { ((HighguiAndroidCameraActivity*)m_activity)->LogFramesRate(); + pthread_mutex_lock(&m_nextFrameMutex); - pthread_mutex_lock(&m_nextFrameMutex); + // unsigned char *tmp1=m_frameYUV420; + // unsigned char *tmp2=m_frameYUV420next; + // m_frameYUV420 = 0; + // m_frameYUV420next = 0; + // delete tmp1; + // delete tmp2; - unsigned char *tmp1=m_frameYUV420; - unsigned char *tmp2=m_frameYUV420next; - m_frameYUV420 = 0; - m_frameYUV420next = 0; - delete tmp1; - delete tmp2; + m_dataState=CVCAPTURE_ANDROID_STATE_NO_FRAME; + pthread_cond_broadcast(&m_nextFrameCond); - m_dataState=CVCAPTURE_ANDROID_STATE_NO_FRAME; - pthread_cond_broadcast(&m_nextFrameCond); - - pthread_mutex_unlock(&m_nextFrameMutex); + pthread_mutex_unlock(&m_nextFrameMutex); //m_activity->disconnect() will be automatically called inside destructor; delete m_activity; @@ -257,7 +259,7 @@ CvCapture_Android::~CvCapture_Android() double CvCapture_Android::getProperty( int propIdx ) { - switch ( propIdx ) + switch ( propIdx ) { case CV_CAP_PROP_FRAME_WIDTH: return (double)m_activity->getFrameWidth(); @@ -308,7 +310,7 @@ bool CvCapture_Android::setProperty( int propIdx, double propValue ) m_activity->setProperty(ANDROID_CAMERA_PROPERTY_FRAMEHEIGHT, propValue); break; case CV_CAP_PROP_AUTOGRAB: - m_shouldAutoGrab=(propValue != 0); + m_shouldAutoGrab=(propValue != 0); break; case CV_CAP_PROP_EXPOSURE: m_activity->setProperty(ANDROID_CAMERA_PROPERTY_EXPOSURE, propValue); @@ -327,13 +329,13 @@ bool CvCapture_Android::setProperty( int propIdx, double propValue ) break; default: CV_Error( CV_StsOutOfRange, "Failed attempt to SET unsupported camera property." ); - return false; + return false; } - if (propIdx != CV_CAP_PROP_AUTOGRAB) {// property for highgui class CvCapture_Android only - m_CameraParamsChanged = true; - } - res = true; + if (propIdx != CV_CAP_PROP_AUTOGRAB) {// property for highgui class CvCapture_Android only + m_CameraParamsChanged = true; + } + res = true; } return res; @@ -342,8 +344,8 @@ bool CvCapture_Android::setProperty( int propIdx, double propValue ) bool CvCapture_Android::grabFrame() { if( !isOpened() ) { - LOGE("CvCapture_Android::grabFrame(): camera is not opened"); - return false; + LOGE("CvCapture_Android::grabFrame(): camera is not opened"); + return false; } bool res=false; @@ -352,38 +354,38 @@ bool CvCapture_Android::grabFrame() { m_activity->applyProperties(); m_CameraParamsChanged = false; - m_dataState= CVCAPTURE_ANDROID_STATE_NO_FRAME;//we will wait new frame + m_dataState= CVCAPTURE_ANDROID_STATE_NO_FRAME;//we will wait new frame } - if (m_dataState!=CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED) { - m_waitingNextFrame = true; - pthread_cond_wait(&m_nextFrameCond, &m_nextFrameMutex); + if (m_dataState!=CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED) + { + m_waitingNextFrame = true; + pthread_cond_wait(&m_nextFrameCond, &m_nextFrameMutex); } - if (m_dataState == CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED) { - //LOGD("CvCapture_Android::grabFrame: get new frame"); - //swap current and new frames - unsigned char* tmp = m_frameYUV420; - m_frameYUV420 = m_frameYUV420next; - m_frameYUV420next = tmp; + if (m_dataState == CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED) + { + //LOGD("CvCapture_Android::grabFrame: get new frame"); + //swap current and new frames + cv::swap(m_frameYUV420, m_frameYUV420next); - //discard cached frames - m_hasGray = false; - m_hasColor = false; + //discard cached frames + m_hasGray = false; + m_hasColor = false; - m_dataState=CVCAPTURE_ANDROID_STATE_HAS_FRAME_GRABBED; - m_framesGrabbed++; + m_dataState=CVCAPTURE_ANDROID_STATE_HAS_FRAME_GRABBED; + m_framesGrabbed++; - res=true; + res=true; } else { - LOGE("CvCapture_Android::grabFrame: NO new frame"); + LOGE("CvCapture_Android::grabFrame: NO new frame"); } int res_unlock=pthread_mutex_unlock(&m_nextFrameMutex); if (res_unlock) { - LOGE("Error in CvCapture_Android::grabFrame: pthread_mutex_unlock returned %d --- probably, this object has been destroyed", res_unlock); - return false; + LOGE("Error in CvCapture_Android::grabFrame: pthread_mutex_unlock returned %d --- probably, this object has been destroyed", res_unlock); + return false; } return res; @@ -393,7 +395,8 @@ IplImage* CvCapture_Android::retrieveFrame( int outputType ) { IplImage* image = NULL; - unsigned char *current_frameYUV420=m_frameYUV420; + cv::Mat m_frameYUV420_ref = m_frameYUV420; + unsigned char *current_frameYUV420=m_frameYUV420_ref.ptr(); //Attention! all the operations in this function below should occupy less time than the period between two frames from camera if (NULL != current_frameYUV420) { @@ -456,19 +459,9 @@ void CvCapture_Android::setFrame(const void* buffer, int bufferSize) prepareCacheForYUV(width, height); //copy data - memcpy(m_frameYUV420next, buffer, bufferSize); - //LOGD("CvCapture_Android::setFrame -- memcpy is done"); - -#if 0 //moved this part of code into grabFrame - //swap current and new frames - unsigned char* tmp = m_frameYUV420; - m_frameYUV420 = m_frameYUV420next; - m_frameYUV420next = tmp; - - //discard cached frames - m_hasGray = false; - m_hasColor = false; -#endif + cv::Mat m_frameYUV420next_ref = m_frameYUV420next; + memcpy(m_frameYUV420next_ref.ptr(), buffer, bufferSize); + LOGD("CvCapture_Android::setFrame -- memcpy is done"); m_dataState = CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED; m_waitingNextFrame = false;//set flag that no more frames required at this moment @@ -482,17 +475,22 @@ void CvCapture_Android::prepareCacheForYUV(int width, int height) LOGD("CvCapture_Android::prepareCacheForYUV: Changing size of buffers: from width=%d height=%d to width=%d height=%d", m_width, m_height, width, height); m_width = width; m_height = height; + /* unsigned char *tmp = m_frameYUV420next; m_frameYUV420next = new unsigned char [width * height * 3 / 2]; - if (tmp != NULL) { - delete[] tmp; - } + if (tmp != NULL) + { + delete[] tmp; + } tmp = m_frameYUV420; m_frameYUV420 = new unsigned char [width * height * 3 / 2]; - if (tmp != NULL) { - delete[] tmp; - } + if (tmp != NULL) + { + delete[] tmp; + }*/ + m_frameYUV420.create(height * 3 / 2, width, CV_8UC1); + m_frameYUV420next.create(height * 3 / 2, width, CV_8UC1); } } From 71df8906beef183f57fca00b9f89db720f91dda3 Mon Sep 17 00:00:00 2001 From: Andrey Kamaev Date: Wed, 22 Aug 2012 19:24:11 +0400 Subject: [PATCH 2/6] Android camera: commented logs in frame callback --- modules/highgui/src/cap_android.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/modules/highgui/src/cap_android.cpp b/modules/highgui/src/cap_android.cpp index e188bb6236..d8513f2409 100644 --- a/modules/highgui/src/cap_android.cpp +++ b/modules/highgui/src/cap_android.cpp @@ -461,7 +461,8 @@ void CvCapture_Android::setFrame(const void* buffer, int bufferSize) //copy data cv::Mat m_frameYUV420next_ref = m_frameYUV420next; memcpy(m_frameYUV420next_ref.ptr(), buffer, bufferSize); - LOGD("CvCapture_Android::setFrame -- memcpy is done"); + // LOGD("CvCapture_Android::setFrame -- memcpy is done"); + // ((HighguiAndroidCameraActivity*)m_activity)->LogFramesRate(); m_dataState = CVCAPTURE_ANDROID_STATE_HAS_NEW_FRAME_UNGRABBED; m_waitingNextFrame = false;//set flag that no more frames required at this moment From 285af48040bd9fb3fb3eea5ae44d25035777745c Mon Sep 17 00:00:00 2001 From: Andrey Kamaev Date: Wed, 22 Aug 2012 21:14:06 +0400 Subject: [PATCH 3/6] Fix Andoid samples: black screen after resume problem --- .../samples/puzzle15/SampleCvViewBase.java | 31 ++- .../samples/puzzle15/puzzle15Activity.java | 149 ++++++------- .../opencv/samples/puzzle15/puzzle15View.java | 72 ++++--- .../ColorBlobDetectionActivity.java | 153 +++++++------- .../ColorBlobDetectionView.java | 128 ++++++------ .../colorblobdetect/ColorBlobDetector.java | 142 ++++++------- .../colorblobdetect/SampleCvViewBase.java | 37 ++-- samples/android/face-detection/jni/Android.mk | 2 +- .../jni/DetectionBasedTracker_jni.cpp | 196 +++++++++--------- .../jni/DetectionBasedTracker_jni.h | 2 +- .../samples/fd/DetectionBasedTracker.java | 83 ++++---- .../src/org/opencv/samples/fd/FdActivity.java | 174 +++++++--------- .../src/org/opencv/samples/fd/FdView.java | 107 +++++----- .../opencv/samples/fd/SampleCvViewBase.java | 29 ++- .../ImageManipulationsActivity.java | 140 ++++++------- .../ImageManipulationsView.java | 76 +++---- .../imagemanipulations/SampleCvViewBase.java | 29 ++- .../opencv/samples/tutorial0/Sample0Base.java | 50 ++--- .../opencv/samples/tutorial0/Sample0View.java | 73 +++---- .../samples/tutorial0/SampleViewBase.java | 36 ++-- .../opencv/samples/tutorial1/Sample1Java.java | 143 ++++++------- .../opencv/samples/tutorial1/Sample1View.java | 40 ++-- .../samples/tutorial1/SampleViewBase.java | 40 ++-- .../tutorial2/Sample2NativeCamera.java | 139 ++++++------- .../opencv/samples/tutorial2/Sample2View.java | 8 +- .../samples/tutorial2/SampleCvViewBase.java | 33 ++- .../samples/tutorial3/Sample3Native.java | 143 ++++++------- .../opencv/samples/tutorial3/Sample3View.java | 38 ++-- .../samples/tutorial3/SampleViewBase.java | 38 ++-- .../samples/tutorial4/Sample4Mixed.java | 155 +++++++------- .../opencv/samples/tutorial4/Sample4View.java | 38 ++-- .../samples/tutorial4/SampleViewBase.java | 40 ++-- 32 files changed, 1225 insertions(+), 1339 deletions(-) diff --git a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/SampleCvViewBase.java b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/SampleCvViewBase.java index 2040b2ec9f..ac9159399f 100644 --- a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/SampleCvViewBase.java +++ b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/SampleCvViewBase.java @@ -14,7 +14,7 @@ import android.view.SurfaceHolder; import android.view.SurfaceView; public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHolder.Callback, Runnable { - private static final String TAG = "Sample::SurfaceView"; + private static final String TAG = "Sample-15puzzle::SurfaceView"; private SurfaceHolder mHolder; private VideoCapture mCamera; @@ -29,28 +29,27 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol public boolean openCamera() { Log.i(TAG, "openCamera"); synchronized (this) { - releaseCamera(); - mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); - if (!mCamera.isOpened()) { - mCamera.release(); - mCamera = null; - Log.e(TAG, "Failed to open native camera"); - return false; - } - } + releaseCamera(); + mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); + if (!mCamera.isOpened()) { + releaseCamera(); + Log.e(TAG, "Failed to open native camera"); + return false; + } + } return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); synchronized (this) { - if (mCamera != null) { - mCamera.release(); - mCamera = null; + if (mCamera != null) { + mCamera.release(); + mCamera = null; } } } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera("+width+", "+height+")"); synchronized (this) { @@ -77,7 +76,7 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); diff --git a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15Activity.java b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15Activity.java index 60986c5fa0..fa5be233dd 100644 --- a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15Activity.java +++ b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15Activity.java @@ -12,109 +12,98 @@ import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.Window; +import android.view.WindowManager; /** Activity class implements LoaderCallbackInterface to handle OpenCV initialization status **/ public class puzzle15Activity extends Activity { - private static final String TAG = "Sample::Activity"; + private static final String TAG = "Sample::Activity"; private MenuItem mItemNewGame; private MenuItem mItemToggleNumbers; private puzzle15View mView = null; + private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - // Create and set View - mView = new puzzle15View(mAppContext); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; - - public puzzle15Activity() - { + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + // Create and set View + mView = new puzzle15View(mAppContext); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; + + public puzzle15Activity() { Log.i(TAG, "Instantiated new " + this.getClass()); } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { - Log.i(TAG, "onResume"); - super.onResume(); - if( mView!=null && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } - - /** Called when the activity is first created. */ @Override - public void onCreate(Bundle savedInstanceState) - { - Log.i(TAG, "onCreate"); - super.onCreate(savedInstanceState); - - requestWindowFeature(Window.FEATURE_NO_TITLE); + protected void onResume() { + Log.i(TAG, "onResume"); + super.onResume(); Log.i(TAG, "Trying to load OpenCV library"); if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) { - Log.e(TAG, "Cannot connect to OpenCV Manager"); + Log.e(TAG, "Cannot connect to OpenCV Manager"); } } + /** Called when the activity is first created. */ + @Override + public void onCreate(Bundle savedInstanceState) { + Log.i(TAG, "onCreate"); + super.onCreate(savedInstanceState); + + requestWindowFeature(Window.FEATURE_NO_TITLE); + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); + } + @Override public boolean onCreateOptionsMenu(Menu menu) { Log.i(TAG, "onCreateOptionsMenu"); diff --git a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15View.java b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15View.java index df2d64f3d0..58db67adb0 100644 --- a/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15View.java +++ b/samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15View.java @@ -18,7 +18,7 @@ import android.view.View; import android.view.View.OnTouchListener; public class puzzle15View extends SampleCvViewBase implements OnTouchListener { - private Mat mRgba; + private Mat mRgba; private Mat mRgba15; private Mat[] mCells; private Mat[] mCells15; @@ -45,13 +45,13 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener { } @Override - public void surfaceCreated(SurfaceHolder holder) { + public void surfaceCreated(SurfaceHolder holder) { synchronized (this) { // initialize Mat before usage mRgba = new Mat(); } - super.surfaceCreated(holder); - } + super.surfaceCreated(holder); + } public static void shuffle(int[] array) { for (int i = array.length; i > 1; i--) { @@ -83,11 +83,11 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener { return sum % 2 == 0; } - private void createPuzzle(int cols, int rows) { + private void createPuzzle(int cols, int rows, int type) { mCells = new Mat[gridArea]; mCells15 = new Mat[gridArea]; - mRgba15 = new Mat(rows, cols, mRgba.type()); + mRgba15 = new Mat(rows, cols, type); mIndexses = new int[gridArea]; for (int i = 0; i < gridSize; i++) { @@ -117,12 +117,16 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener { capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA); int cols = mRgba.cols(); int rows = mRgba.rows(); - - rows = rows - rows%4; - cols = cols - cols%4; - + + rows = rows - rows%4; + cols = cols - cols%4; + if (mCells == null) - createPuzzle(cols, rows); + createPuzzle(cols, rows, mRgba.type()); + else if(mRgba15.cols() != cols || mRgba15.rows() != rows) { + releaseMats(); + createPuzzle(cols, rows, mRgba.type()); + } // copy shuffled tiles for (int i = 0; i < gridArea; i++) { @@ -141,10 +145,10 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener { drawGrid(cols, rows); Bitmap bmp = Bitmap.createBitmap(cols, rows, Bitmap.Config.ARGB_8888); try { - Utils.matToBitmap(mRgba15, bmp); + Utils.matToBitmap(mRgba15, bmp); return bmp; } catch(Exception e) { - Log.e("org.opencv.samples.puzzle15", "Utils.matToBitmap() throws an exception: " + e.getMessage()); + Log.e("org.opencv.samples.puzzle15", "Utils.matToBitmap() throws an exception: " + e.getMessage()); bmp.recycle(); return null; } @@ -162,32 +166,38 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener { super.run(); synchronized (this) { - // Explicitly deallocate Mats - if (mCells != null) { - for (Mat m : mCells) - m.release(); - } - if (mCells15 != null) { - for (Mat m : mCells15) - m.release(); - } + releaseMats(); + if (mRgba != null) mRgba.release(); - if (mRgba15 != null) - mRgba15.release(); - mRgba = null; - mRgba15 = null; - mCells = null; - mCells15 = null; - mIndexses = null; } } + private void releaseMats() { + // Explicitly deallocate Mats + if (mCells != null) { + for (Mat m : mCells) + m.release(); + } + if (mCells15 != null) { + for (Mat m : mCells15) + m.release(); + } + + if (mRgba15 != null) + mRgba15.release(); + + mRgba15 = null; + mCells = null; + mCells15 = null; + mIndexses = null; + } + public boolean onTouch(View v, MotionEvent event) { if(mRgba==null) return false; - - int cols = mRgba.cols(); + + int cols = mRgba.cols(); int rows = mRgba.rows(); float xoffset = (getWidth() - cols) / 2; float yoffset = (getHeight() - rows) / 2; diff --git a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java index 0c74718910..b9b372f075 100644 --- a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java +++ b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java @@ -10,101 +10,90 @@ import android.content.DialogInterface; import android.os.Bundle; import android.util.Log; import android.view.Window; +import android.view.WindowManager; public class ColorBlobDetectionActivity extends Activity { - - private static final String TAG = "Example/ColorBlobDetection"; - private ColorBlobDetectionView mView; - - private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - // Create and set View - mView = new ColorBlobDetectionView(mAppContext); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; - - public ColorBlobDetectionActivity() - { - Log.i(TAG, "Instantiated new " + this.getClass()); - } + + private static final String TAG = "Sample-ColorBlobDetection::Activity"; + private ColorBlobDetectionView mView; + + private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + // Create and set View + mView = new ColorBlobDetectionView(mAppContext); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; + + public ColorBlobDetectionActivity() { + Log.i(TAG, "Instantiated new " + this.getClass()); + } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if( (null != mView) && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { Log.i(TAG, "onCreate"); super.onCreate(savedInstanceState); - requestWindowFeature(Window.FEATURE_NO_TITLE); - Log.i(TAG, "Trying to load OpenCV library"); - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } } \ No newline at end of file diff --git a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionView.java b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionView.java index b5c1275105..dbb93f0574 100644 --- a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionView.java +++ b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionView.java @@ -23,127 +23,121 @@ import android.view.View.OnTouchListener; public class ColorBlobDetectionView extends SampleCvViewBase implements OnTouchListener { - private Mat mRgba; + private Mat mRgba; - private boolean mIsColorSelected = false; - private Scalar mBlobColorRgba = new Scalar(255); - private Scalar mBlobColorHsv = new Scalar(255); - private ColorBlobDetector mDetector = new ColorBlobDetector(); - private Mat mSpectrum = new Mat(); - private static Size SPECTRUM_SIZE = new Size(200, 32); + private boolean mIsColorSelected = false; + private Scalar mBlobColorRgba = new Scalar(255); + private Scalar mBlobColorHsv = new Scalar(255); + private ColorBlobDetector mDetector = new ColorBlobDetector(); + private Mat mSpectrum = new Mat(); + private static Size SPECTRUM_SIZE = new Size(200, 32); - // Logcat tag - private static final String TAG = "Example/ColorBlobDetection"; - - private static final Scalar CONTOUR_COLOR = new Scalar(255,0,0,255); - - - public ColorBlobDetectionView(Context context) - { + // Logcat tag + private static final String TAG = "Sample-ColorBlobDetection::View"; + + private static final Scalar CONTOUR_COLOR = new Scalar(255,0,0,255); + + + public ColorBlobDetectionView(Context context) { super(context); setOnTouchListener(this); - } - + } + @Override public void surfaceCreated(SurfaceHolder holder) { synchronized (this) { // initialize Mat before usage mRgba = new Mat(); } - + super.surfaceCreated(holder); } - - public boolean onTouch(View v, MotionEvent event) - { + + public boolean onTouch(View v, MotionEvent event) { int cols = mRgba.cols(); int rows = mRgba.rows(); - + int xOffset = (getWidth() - cols) / 2; int yOffset = (getHeight() - rows) / 2; - + int x = (int)event.getX() - xOffset; int y = (int)event.getY() - yOffset; - + Log.i(TAG, "Touch image coordinates: (" + x + ", " + y + ")"); - + if ((x < 0) || (y < 0) || (x > cols) || (y > rows)) return false; - + Rect touchedRect = new Rect(); - + touchedRect.x = (x>4) ? x-4 : 0; touchedRect.y = (y>4) ? y-4 : 0; touchedRect.width = (x+4 < cols) ? x + 4 - touchedRect.x : cols - touchedRect.x; touchedRect.height = (y+4 < rows) ? y + 4 - touchedRect.y : rows - touchedRect.y; - + Mat touchedRegionRgba = mRgba.submat(touchedRect); - + Mat touchedRegionHsv = new Mat(); Imgproc.cvtColor(touchedRegionRgba, touchedRegionHsv, Imgproc.COLOR_RGB2HSV_FULL); - + // Calculate average color of touched region mBlobColorHsv = Core.sumElems(touchedRegionHsv); int pointCount = touchedRect.width*touchedRect.height; for (int i = 0; i < mBlobColorHsv.val.length; i++) - { - mBlobColorHsv.val[i] /= pointCount; - } - - mBlobColorRgba = converScalarHsv2Rgba(mBlobColorHsv); - - Log.i(TAG, "Touched rgba color: (" + mBlobColorRgba.val[0] + ", " + mBlobColorRgba.val[1] + - ", " + mBlobColorRgba.val[2] + ", " + mBlobColorRgba.val[3] + ")"); - - mDetector.setHsvColor(mBlobColorHsv); - - Imgproc.resize(mDetector.getSpectrum(), mSpectrum, SPECTRUM_SIZE); - - mIsColorSelected = true; - - return false; // don't need subsequent touch events - } + mBlobColorHsv.val[i] /= pointCount; + + mBlobColorRgba = converScalarHsv2Rgba(mBlobColorHsv); + + Log.i(TAG, "Touched rgba color: (" + mBlobColorRgba.val[0] + ", " + mBlobColorRgba.val[1] + + ", " + mBlobColorRgba.val[2] + ", " + mBlobColorRgba.val[3] + ")"); + + mDetector.setHsvColor(mBlobColorHsv); + + Imgproc.resize(mDetector.getSpectrum(), mSpectrum, SPECTRUM_SIZE); + + mIsColorSelected = true; + + return false; // don't need subsequent touch events + } + + @Override + protected Bitmap processFrame(VideoCapture capture) { + capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA); - @Override - protected Bitmap processFrame(VideoCapture capture) { - capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA); - Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888); - - if (mIsColorSelected) - { - mDetector.process(mRgba); - List contours = mDetector.getContours(); + + if (mIsColorSelected) { + mDetector.process(mRgba); + List contours = mDetector.getContours(); Log.e(TAG, "Contours count: " + contours.size()); Core.drawContours(mRgba, contours, -1, CONTOUR_COLOR); Mat colorLabel = mRgba.submat(2, 34, 2, 34); colorLabel.setTo(mBlobColorRgba); - + Mat spectrumLabel = mRgba.submat(2, 2 + mSpectrum.rows(), 38, 38 + mSpectrum.cols()); mSpectrum.copyTo(spectrumLabel); } try { - Utils.matToBitmap(mRgba, bmp); + Utils.matToBitmap(mRgba, bmp); } catch(Exception e) { - Log.e(TAG, "Utils.matToBitmap() throws an exception: " + e.getMessage()); + Log.e(TAG, "Utils.matToBitmap() throws an exception: " + e.getMessage()); bmp.recycle(); bmp = null; } - + return bmp; - } - - private Scalar converScalarHsv2Rgba(Scalar hsvColor) - { + } + + private Scalar converScalarHsv2Rgba(Scalar hsvColor) { Mat pointMatRgba = new Mat(); Mat pointMatHsv = new Mat(1, 1, CvType.CV_8UC3, hsvColor); Imgproc.cvtColor(pointMatHsv, pointMatRgba, Imgproc.COLOR_HSV2RGB_FULL, 4); - + return new Scalar(pointMatRgba.get(0, 0)); - } - + } + @Override public void run() { super.run(); diff --git a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetector.java b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetector.java index 339f0c61cc..74d24a5023 100644 --- a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetector.java +++ b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetector.java @@ -11,66 +11,58 @@ import org.opencv.core.MatOfPoint; import org.opencv.core.Scalar; import org.opencv.imgproc.Imgproc; -public class ColorBlobDetector -{ - public void setColorRadius(Scalar radius) - { - mColorRadius = radius; - } - - public void setHsvColor(Scalar hsvColor) - { - double minH = (hsvColor.val[0] >= mColorRadius.val[0]) ? hsvColor.val[0]-mColorRadius.val[0] : 0; - double maxH = (hsvColor.val[0]+mColorRadius.val[0] <= 255) ? hsvColor.val[0]+mColorRadius.val[0] : 255; +public class ColorBlobDetector { + public void setColorRadius(Scalar radius) { + mColorRadius = radius; + } - mLowerBound.val[0] = minH; - mUpperBound.val[0] = maxH; + public void setHsvColor(Scalar hsvColor) { + double minH = (hsvColor.val[0] >= mColorRadius.val[0]) ? hsvColor.val[0]-mColorRadius.val[0] : 0; + double maxH = (hsvColor.val[0]+mColorRadius.val[0] <= 255) ? hsvColor.val[0]+mColorRadius.val[0] : 255; - mLowerBound.val[1] = hsvColor.val[1] - mColorRadius.val[1]; - mUpperBound.val[1] = hsvColor.val[1] + mColorRadius.val[1]; + mLowerBound.val[0] = minH; + mUpperBound.val[0] = maxH; - mLowerBound.val[2] = hsvColor.val[2] - mColorRadius.val[2]; - mUpperBound.val[2] = hsvColor.val[2] + mColorRadius.val[2]; + mLowerBound.val[1] = hsvColor.val[1] - mColorRadius.val[1]; + mUpperBound.val[1] = hsvColor.val[1] + mColorRadius.val[1]; - mLowerBound.val[3] = 0; - mUpperBound.val[3] = 255; + mLowerBound.val[2] = hsvColor.val[2] - mColorRadius.val[2]; + mUpperBound.val[2] = hsvColor.val[2] + mColorRadius.val[2]; - Mat spectrumHsv = new Mat(1, (int)(maxH-minH), CvType.CV_8UC3); + mLowerBound.val[3] = 0; + mUpperBound.val[3] = 255; - for (int j = 0; j < maxH-minH; j++) - { - byte[] tmp = {(byte)(minH+j), (byte)255, (byte)255}; - spectrumHsv.put(0, j, tmp); - } + Mat spectrumHsv = new Mat(1, (int)(maxH-minH), CvType.CV_8UC3); - Imgproc.cvtColor(spectrumHsv, mSpectrum, Imgproc.COLOR_HSV2RGB_FULL, 4); + for (int j = 0; j < maxH-minH; j++) { + byte[] tmp = {(byte)(minH+j), (byte)255, (byte)255}; + spectrumHsv.put(0, j, tmp); + } - } - - public Mat getSpectrum() - { - return mSpectrum; - } - - public void setMinContourArea(double area) - { - mMinContourArea = area; - } - - public void process(Mat rgbaImage) - { - Mat pyrDownMat = new Mat(); + Imgproc.cvtColor(spectrumHsv, mSpectrum, Imgproc.COLOR_HSV2RGB_FULL, 4); + } - Imgproc.pyrDown(rgbaImage, pyrDownMat); - Imgproc.pyrDown(pyrDownMat, pyrDownMat); + public Mat getSpectrum() { + return mSpectrum; + } - Mat hsvMat = new Mat(); - Imgproc.cvtColor(pyrDownMat, hsvMat, Imgproc.COLOR_RGB2HSV_FULL); + public void setMinContourArea(double area) { + mMinContourArea = area; + } - Mat Mask = new Mat(); - Core.inRange(hsvMat, mLowerBound, mUpperBound, Mask); - Mat dilatedMask = new Mat(); - Imgproc.dilate(Mask, dilatedMask, new Mat()); + public void process(Mat rgbaImage) { + Mat pyrDownMat = new Mat(); + + Imgproc.pyrDown(rgbaImage, pyrDownMat); + Imgproc.pyrDown(pyrDownMat, pyrDownMat); + + Mat hsvMat = new Mat(); + Imgproc.cvtColor(pyrDownMat, hsvMat, Imgproc.COLOR_RGB2HSV_FULL); + + Mat Mask = new Mat(); + Core.inRange(hsvMat, mLowerBound, mUpperBound, Mask); + Mat dilatedMask = new Mat(); + Imgproc.dilate(Mask, dilatedMask, new Mat()); List contours = new ArrayList(); Mat hierarchy = new Mat(); @@ -80,40 +72,36 @@ public class ColorBlobDetector // Find max contour area double maxArea = 0; Iterator each = contours.iterator(); - while (each.hasNext()) - { - MatOfPoint wrapper = each.next(); - double area = Imgproc.contourArea(wrapper); - if (area > maxArea) - maxArea = area; + while (each.hasNext()) { + MatOfPoint wrapper = each.next(); + double area = Imgproc.contourArea(wrapper); + if (area > maxArea) + maxArea = area; } // Filter contours by area and resize to fit the original image size mContours.clear(); each = contours.iterator(); - while (each.hasNext()) - { - MatOfPoint contour = each.next(); - if (Imgproc.contourArea(contour) > mMinContourArea*maxArea) - { - Core.multiply(contour, new Scalar(4,4), contour); - mContours.add(contour); - } + while (each.hasNext()) { + MatOfPoint contour = each.next(); + if (Imgproc.contourArea(contour) > mMinContourArea*maxArea) { + Core.multiply(contour, new Scalar(4,4), contour); + mContours.add(contour); + } } - } + } - public List getContours() - { - return mContours; - } + public List getContours() { + return mContours; + } - // Lower and Upper bounds for range checking in HSV color space - private Scalar mLowerBound = new Scalar(0); - private Scalar mUpperBound = new Scalar(0); - // Minimum contour area in percent for contours filtering - private static double mMinContourArea = 0.1; - // Color radius for range checking in HSV color space - private Scalar mColorRadius = new Scalar(25,50,50,0); - private Mat mSpectrum = new Mat(); - private List mContours = new ArrayList(); + // Lower and Upper bounds for range checking in HSV color space + private Scalar mLowerBound = new Scalar(0); + private Scalar mUpperBound = new Scalar(0); + // Minimum contour area in percent for contours filtering + private static double mMinContourArea = 0.1; + // Color radius for range checking in HSV color space + private Scalar mColorRadius = new Scalar(25,50,50,0); + private Mat mSpectrum = new Mat(); + private List mContours = new ArrayList(); } diff --git a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/SampleCvViewBase.java b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/SampleCvViewBase.java index 55b41bc69d..9bd975ab29 100644 --- a/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/SampleCvViewBase.java +++ b/samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/SampleCvViewBase.java @@ -29,30 +29,29 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol public boolean openCamera() { Log.i(TAG, "openCamera"); synchronized (this) { - releaseCamera(); - mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); - if (!mCamera.isOpened()) { - mCamera.release(); - mCamera = null; - Log.e(TAG, "Failed to open native camera"); - return false; - } - } + releaseCamera(); + mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); + if (!mCamera.isOpened()) { + releaseCamera(); + Log.e(TAG, "Failed to open native camera"); + return false; + } + } return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); synchronized (this) { - if (mCamera != null) { - mCamera.release(); - mCamera = null; + if (mCamera != null) { + mCamera.release(); + mCamera = null; } } } - + public void setupCamera(int width, int height) { - Log.i(TAG, "setupCamera("+width+", "+height+")"); + Log.i(TAG, "setupCamera("+width+", "+height+")"); synchronized (this) { if (mCamera != null && mCamera.isOpened()) { List sizes = mCamera.getSupportedPreviewSizes(); @@ -77,7 +76,7 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); @@ -111,12 +110,12 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol bmp = processFrame(mCamera); } - + if (bmp != null) { Canvas canvas = mHolder.lockCanvas(); if (canvas != null) { - canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR); - canvas.drawBitmap(bmp, (canvas.getWidth() - bmp.getWidth()) / 2, (canvas.getHeight() - bmp.getHeight()) / 2, null); + canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR); + canvas.drawBitmap(bmp, (canvas.getWidth() - bmp.getWidth()) / 2, (canvas.getHeight() - bmp.getHeight()) / 2, null); mHolder.unlockCanvasAndPost(canvas); } bmp.recycle(); diff --git a/samples/android/face-detection/jni/Android.mk b/samples/android/face-detection/jni/Android.mk index 93f5ca4191..e6db280c15 100644 --- a/samples/android/face-detection/jni/Android.mk +++ b/samples/android/face-detection/jni/Android.mk @@ -9,7 +9,7 @@ include ../../sdk/native/jni/OpenCV.mk LOCAL_SRC_FILES := DetectionBasedTracker_jni.cpp LOCAL_C_INCLUDES += $(LOCAL_PATH) -LOCAL_LDLIBS += -llog -ldl +LOCAL_LDLIBS += -llog -ldl LOCAL_MODULE := detection_based_tracker diff --git a/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp b/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp index b4c224c9d8..67171c2059 100644 --- a/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp +++ b/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp @@ -22,26 +22,26 @@ class CascadeDetectorAdapter: public DetectionBasedTracker::IDetector { public: CascadeDetectorAdapter(cv::Ptr detector): - IDetector(), - Detector(detector) + IDetector(), + Detector(detector) { - LOGD("CascadeDetectorAdapter::Detect::Detect"); - CV_Assert(!detector.empty()); + LOGD("CascadeDetectorAdapter::Detect::Detect"); + CV_Assert(!detector.empty()); } - + void detect(const cv::Mat &Image, std::vector &objects) { - LOGD("CascadeDetectorAdapter::Detect: begin"); - LOGD("CascadeDetectorAdapter::Detect: scaleFactor=%.2f, minNeighbours=%d, minObjSize=(%dx%d), maxObjSize=(%dx%d)", scaleFactor, minNeighbours, minObjSize.width, minObjSize.height, maxObjSize.width, maxObjSize.height); - Detector->detectMultiScale(Image, objects, scaleFactor, minNeighbours, 0, minObjSize, maxObjSize); - LOGD("CascadeDetectorAdapter::Detect: end"); + LOGD("CascadeDetectorAdapter::Detect: begin"); + LOGD("CascadeDetectorAdapter::Detect: scaleFactor=%.2f, minNeighbours=%d, minObjSize=(%dx%d), maxObjSize=(%dx%d)", scaleFactor, minNeighbours, minObjSize.width, minObjSize.height, maxObjSize.width, maxObjSize.height); + Detector->detectMultiScale(Image, objects, scaleFactor, minNeighbours, 0, minObjSize, maxObjSize); + LOGD("CascadeDetectorAdapter::Detect: end"); } - + virtual ~CascadeDetectorAdapter() { - LOGD("CascadeDetectorAdapter::Detect::~Detect"); + LOGD("CascadeDetectorAdapter::Detect::~Detect"); } - + private: CascadeDetectorAdapter(); cv::Ptr Detector; @@ -51,17 +51,17 @@ struct DetectorAgregator { cv::Ptr mainDetector; cv::Ptr trackingDetector; - + cv::Ptr tracker; DetectorAgregator(cv::Ptr& _mainDetector, cv::Ptr& _trackingDetector): - mainDetector(_mainDetector), - trackingDetector(_trackingDetector) + mainDetector(_mainDetector), + trackingDetector(_trackingDetector) { - CV_Assert(!_mainDetector.empty()); - CV_Assert(!_trackingDetector.empty()); - - DetectionBasedTracker::Parameters DetectorParams; - tracker = new DetectionBasedTracker(mainDetector.ptr(), trackingDetector.ptr(), DetectorParams); + CV_Assert(!_mainDetector.empty()); + CV_Assert(!_trackingDetector.empty()); + + DetectionBasedTracker::Parameters DetectorParams; + tracker = new DetectionBasedTracker(mainDetector.ptr(), trackingDetector.ptr(), DetectorParams); } }; @@ -73,32 +73,32 @@ JNIEXPORT jlong JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeC jlong result = 0; LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject"); - + try { - cv::Ptr mainDetector = new CascadeDetectorAdapter(new CascadeClassifier(stdFileName)); - cv::Ptr trackingDetector = new CascadeDetectorAdapter(new CascadeClassifier(stdFileName)); - result = (jlong)new DetectorAgregator(mainDetector, trackingDetector); - if (faceSize > 0) - { - mainDetector->setMinObjectSize(Size(faceSize, faceSize)); - //trackingDetector->setMinObjectSize(Size(faceSize, faceSize)); - } + cv::Ptr mainDetector = new CascadeDetectorAdapter(new CascadeClassifier(stdFileName)); + cv::Ptr trackingDetector = new CascadeDetectorAdapter(new CascadeClassifier(stdFileName)); + result = (jlong)new DetectorAgregator(mainDetector, trackingDetector); + if (faceSize > 0) + { + mainDetector->setMinObjectSize(Size(faceSize, faceSize)); + //trackingDetector->setMinObjectSize(Size(faceSize, faceSize)); + } } catch(cv::Exception e) { - LOGD("nativeCreateObject catched cv::Exception: %s", e.what()); - jclass je = jenv->FindClass("org/opencv/core/CvException"); - if(!je) - je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, e.what()); + LOGD("nativeCreateObject catched cv::Exception: %s", e.what()); + jclass je = jenv->FindClass("org/opencv/core/CvException"); + if(!je) + je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, e.what()); } - catch (...) - { - LOGD("nativeCreateObject catched unknown exception"); - jclass je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject(...)}"); - return 0; + catch (...) + { + LOGD("nativeCreateObject catched unknown exception"); + jclass je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject(...)}"); + return 0; } return result; @@ -108,25 +108,25 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDe (JNIEnv * jenv, jclass, jlong thiz) { LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDestroyObject"); - + try { - ((DetectorAgregator*)thiz)->tracker->stop(); - delete (DetectorAgregator*)thiz; + ((DetectorAgregator*)thiz)->tracker->stop(); + delete (DetectorAgregator*)thiz; } catch(cv::Exception e) { - LOGD("nativeestroyObject catched cv::Exception: %s", e.what()); - jclass je = jenv->FindClass("org/opencv/core/CvException"); - if(!je) - je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, e.what()); + LOGD("nativeestroyObject catched cv::Exception: %s", e.what()); + jclass je = jenv->FindClass("org/opencv/core/CvException"); + if(!je) + je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, e.what()); } catch (...) { - LOGD("nativeDestroyObject catched unknown exception"); - jclass je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDestroyObject(...)}"); + LOGD("nativeDestroyObject catched unknown exception"); + jclass je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDestroyObject(...)}"); } } @@ -134,24 +134,24 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSt (JNIEnv * jenv, jclass, jlong thiz) { LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart"); - + try { - ((DetectorAgregator*)thiz)->tracker->run(); + ((DetectorAgregator*)thiz)->tracker->run(); } catch(cv::Exception e) { - LOGD("nativeStart catched cv::Exception: %s", e.what()); - jclass je = jenv->FindClass("org/opencv/core/CvException"); - if(!je) - je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, e.what()); + LOGD("nativeStart catched cv::Exception: %s", e.what()); + jclass je = jenv->FindClass("org/opencv/core/CvException"); + if(!je) + je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, e.what()); } catch (...) { - LOGD("nativeStart catched unknown exception"); - jclass je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart(...)}"); + LOGD("nativeStart catched unknown exception"); + jclass je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart(...)}"); } } @@ -159,24 +159,24 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSt (JNIEnv * jenv, jclass, jlong thiz) { LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop"); - + try { - ((DetectorAgregator*)thiz)->tracker->stop(); + ((DetectorAgregator*)thiz)->tracker->stop(); } catch(cv::Exception e) { - LOGD("nativeStop catched cv::Exception: %s", e.what()); - jclass je = jenv->FindClass("org/opencv/core/CvException"); - if(!je) - je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, e.what()); + LOGD("nativeStop catched cv::Exception: %s", e.what()); + jclass je = jenv->FindClass("org/opencv/core/CvException"); + if(!je) + je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, e.what()); } catch (...) { - LOGD("nativeStop catched unknown exception"); - jclass je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop(...)}"); + LOGD("nativeStop catched unknown exception"); + jclass je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop(...)}"); } } @@ -184,28 +184,28 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSe (JNIEnv * jenv, jclass, jlong thiz, jint faceSize) { LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize -- BEGIN"); - + try { - if (faceSize > 0) - { - ((DetectorAgregator*)thiz)->mainDetector->setMinObjectSize(Size(faceSize, faceSize)); - //((DetectorAgregator*)thiz)->trackingDetector->setMinObjectSize(Size(faceSize, faceSize)); - } + if (faceSize > 0) + { + ((DetectorAgregator*)thiz)->mainDetector->setMinObjectSize(Size(faceSize, faceSize)); + //((DetectorAgregator*)thiz)->trackingDetector->setMinObjectSize(Size(faceSize, faceSize)); + } } catch(cv::Exception e) { - LOGD("nativeStop catched cv::Exception: %s", e.what()); - jclass je = jenv->FindClass("org/opencv/core/CvException"); - if(!je) - je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, e.what()); + LOGD("nativeStop catched cv::Exception: %s", e.what()); + jclass je = jenv->FindClass("org/opencv/core/CvException"); + if(!je) + je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, e.what()); } catch (...) { - LOGD("nativeSetFaceSize catched unknown exception"); - jclass je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize(...)}"); + LOGD("nativeSetFaceSize catched unknown exception"); + jclass je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize(...)}"); } LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize -- END"); } @@ -215,27 +215,27 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDe (JNIEnv * jenv, jclass, jlong thiz, jlong imageGray, jlong faces) { LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDetect"); - + try { - vector RectFaces; - ((DetectorAgregator*)thiz)->tracker->process(*((Mat*)imageGray)); - ((DetectorAgregator*)thiz)->tracker->getObjects(RectFaces); - *((Mat*)faces) = Mat(RectFaces, true); + vector RectFaces; + ((DetectorAgregator*)thiz)->tracker->process(*((Mat*)imageGray)); + ((DetectorAgregator*)thiz)->tracker->getObjects(RectFaces); + *((Mat*)faces) = Mat(RectFaces, true); } catch(cv::Exception e) { - LOGD("nativeCreateObject catched cv::Exception: %s", e.what()); - jclass je = jenv->FindClass("org/opencv/core/CvException"); - if(!je) - je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, e.what()); + LOGD("nativeCreateObject catched cv::Exception: %s", e.what()); + jclass je = jenv->FindClass("org/opencv/core/CvException"); + if(!je) + je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, e.what()); } catch (...) { - LOGD("nativeDetect catched unknown exception"); - jclass je = jenv->FindClass("java/lang/Exception"); - jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDetect(...)}"); + LOGD("nativeDetect catched unknown exception"); + jclass je = jenv->FindClass("java/lang/Exception"); + jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDetect(...)}"); } LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDetect END"); } diff --git a/samples/android/face-detection/jni/DetectionBasedTracker_jni.h b/samples/android/face-detection/jni/DetectionBasedTracker_jni.h index 1ac5758be8..7ae94c3dd7 100644 --- a/samples/android/face-detection/jni/DetectionBasedTracker_jni.h +++ b/samples/android/face-detection/jni/DetectionBasedTracker_jni.h @@ -46,7 +46,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSt */ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize (JNIEnv *, jclass, jlong, jint); - + /* * Class: org_opencv_samples_fd_DetectionBasedTracker * Method: nativeDetect diff --git a/samples/android/face-detection/src/org/opencv/samples/fd/DetectionBasedTracker.java b/samples/android/face-detection/src/org/opencv/samples/fd/DetectionBasedTracker.java index 98f7d2077e..63a9e32913 100644 --- a/samples/android/face-detection/src/org/opencv/samples/fd/DetectionBasedTracker.java +++ b/samples/android/face-detection/src/org/opencv/samples/fd/DetectionBasedTracker.java @@ -4,49 +4,42 @@ import org.opencv.core.Mat; import org.opencv.core.MatOfRect; public class DetectionBasedTracker -{ - public DetectionBasedTracker(String cascadeName, int minFaceSize) - { - mNativeObj = nativeCreateObject(cascadeName, minFaceSize); - } - - public void start() - { - nativeStart(mNativeObj); - } - - public void stop() - { - nativeStop(mNativeObj); - } - - public void setMinFaceSize(int size) - { - nativeSetFaceSize(mNativeObj, size); - } - - public void detect(Mat imageGray, MatOfRect faces) - { - nativeDetect(mNativeObj, imageGray.getNativeObjAddr(), faces.getNativeObjAddr()); - } - - public void release() - { - nativeDestroyObject(mNativeObj); - mNativeObj = 0; - } - - private long mNativeObj = 0; - - private static native long nativeCreateObject(String cascadeName, int minFaceSize); - private static native void nativeDestroyObject(long thiz); - private static native void nativeStart(long thiz); - private static native void nativeStop(long thiz); - private static native void nativeSetFaceSize(long thiz, int size); - private static native void nativeDetect(long thiz, long inputImage, long faces); - - static - { - System.loadLibrary("detection_based_tracker"); - } +{ + public DetectionBasedTracker(String cascadeName, int minFaceSize) { + mNativeObj = nativeCreateObject(cascadeName, minFaceSize); + } + + public void start() { + nativeStart(mNativeObj); + } + + public void stop() { + nativeStop(mNativeObj); + } + + public void setMinFaceSize(int size) { + nativeSetFaceSize(mNativeObj, size); + } + + public void detect(Mat imageGray, MatOfRect faces) { + nativeDetect(mNativeObj, imageGray.getNativeObjAddr(), faces.getNativeObjAddr()); + } + + public void release() { + nativeDestroyObject(mNativeObj); + mNativeObj = 0; + } + + private long mNativeObj = 0; + + private static native long nativeCreateObject(String cascadeName, int minFaceSize); + private static native void nativeDestroyObject(long thiz); + private static native void nativeStart(long thiz); + private static native void nativeStop(long thiz); + private static native void nativeSetFaceSize(long thiz, int size); + private static native void nativeDetect(long thiz, long inputImage, long faces); + + static { + System.loadLibrary("detection_based_tracker"); + } } diff --git a/samples/android/face-detection/src/org/opencv/samples/fd/FdActivity.java b/samples/android/face-detection/src/org/opencv/samples/fd/FdActivity.java index 82a1910bfe..6839b5f5b9 100644 --- a/samples/android/face-detection/src/org/opencv/samples/fd/FdActivity.java +++ b/samples/android/face-detection/src/org/opencv/samples/fd/FdActivity.java @@ -12,74 +12,72 @@ import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.Window; +import android.view.WindowManager; public class FdActivity extends Activity { - private static final String TAG = "Sample::Activity"; + private static final String TAG = "Sample-FD::Activity"; private MenuItem mItemFace50; private MenuItem mItemFace40; private MenuItem mItemFace30; private MenuItem mItemFace20; private MenuItem mItemType; - - private FdView mView; - - private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - - // Load native libs after OpenCV initialization - System.loadLibrary("detection_based_tracker"); - - // Create and set View - mView = new FdView(mAppContext); - mView.setDetectorType(mDetectorType); - mView.setMinFaceSize(0.2f); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; - - private int mDetectorType = 0; - private String[] mDetectorName; + private String[] mDetectorName; + private FdView mView; + + private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + + // Load native libs after OpenCV initialization + System.loadLibrary("detection_based_tracker"); + + // Create and set View + mView = new FdView(mAppContext); + mView.setDetectorType(mDetectorType); + mView.setMinFaceSize(0.2f); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; public FdActivity() { Log.i(TAG, "Instantiated new " + this.getClass()); @@ -88,31 +86,25 @@ public class FdActivity extends Activity { mDetectorName[FdView.NATIVE_DETECTOR] = "Native (tracking)"; } - @Override - protected void onPause() { + @Override + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (mView != null) - mView.releaseCamera(); - } + if (mView != null) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if( mView != null && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override @@ -120,12 +112,7 @@ public class FdActivity extends Activity { Log.i(TAG, "onCreate"); super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); - - Log.i(TAG, "Trying to load OpenCV library"); - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } @Override @@ -136,7 +123,6 @@ public class FdActivity extends Activity { mItemFace30 = menu.add("Face size 30%"); mItemFace20 = menu.add("Face size 20%"); mItemType = menu.add(mDetectorName[mDetectorType]); - return true; } @@ -146,16 +132,16 @@ public class FdActivity extends Activity { if (item == mItemFace50) mView.setMinFaceSize(0.5f); else if (item == mItemFace40) - mView.setMinFaceSize(0.4f); + mView.setMinFaceSize(0.4f); else if (item == mItemFace30) - mView.setMinFaceSize(0.3f); + mView.setMinFaceSize(0.3f); else if (item == mItemFace20) - mView.setMinFaceSize(0.2f); + mView.setMinFaceSize(0.2f); else if (item == mItemType) { - mDetectorType = (mDetectorType + 1) % mDetectorName.length; - item.setTitle(mDetectorName[mDetectorType]); - mView.setDetectorType(mDetectorType); + mDetectorType = (mDetectorType + 1) % mDetectorName.length; + item.setTitle(mDetectorName[mDetectorType]); + mView.setDetectorType(mDetectorType); } return true; } diff --git a/samples/android/face-detection/src/org/opencv/samples/fd/FdView.java b/samples/android/face-detection/src/org/opencv/samples/fd/FdView.java index cfc55747a4..5c12bb6e41 100644 --- a/samples/android/face-detection/src/org/opencv/samples/fd/FdView.java +++ b/samples/android/face-detection/src/org/opencv/samples/fd/FdView.java @@ -22,7 +22,7 @@ import android.util.Log; import android.view.SurfaceHolder; class FdView extends SampleCvViewBase { - private static final String TAG = "Sample::FdView"; + private static final String TAG = "Sample-FD::View"; private Mat mRgba; private Mat mGray; private File mCascadeFile; @@ -30,38 +30,32 @@ class FdView extends SampleCvViewBase { private DetectionBasedTracker mNativeDetector; private static final Scalar FACE_RECT_COLOR = new Scalar(0, 255, 0, 255); - + public static final int JAVA_DETECTOR = 0; public static final int NATIVE_DETECTOR = 1; - + private int mDetectorType = JAVA_DETECTOR; private float mRelativeFaceSize = 0; - private int mAbsoluteFaceSize = 0; - - public void setMinFaceSize(float faceSize) - { - mRelativeFaceSize = faceSize; - mAbsoluteFaceSize = 0; + private int mAbsoluteFaceSize = 0; + + public void setMinFaceSize(float faceSize) { + mRelativeFaceSize = faceSize; + mAbsoluteFaceSize = 0; } - - public void setDetectorType(int type) - { - if (mDetectorType != type) - { - mDetectorType = type; - - if (type == NATIVE_DETECTOR) - { - Log.i(TAG, "Detection Based Tracker enabled"); - mNativeDetector.start(); - } - else - { - Log.i(TAG, "Cascade detector enabled"); - mNativeDetector.stop(); - } - } + + public void setDetectorType(int type) { + if (mDetectorType != type) { + mDetectorType = type; + + if (type == NATIVE_DETECTOR) { + Log.i(TAG, "Detection Based Tracker enabled"); + mNativeDetector.start(); + } else { + Log.i(TAG, "Cascade detector enabled"); + mNativeDetector.stop(); + } + } } public FdView(Context context) { @@ -89,7 +83,7 @@ class FdView extends SampleCvViewBase { Log.i(TAG, "Loaded cascade classifier from " + mCascadeFile.getAbsolutePath()); mNativeDetector = new DetectionBasedTracker(mCascadeFile.getAbsolutePath(), 0); - + cascadeDir.delete(); } catch (IOException e) { @@ -99,7 +93,7 @@ class FdView extends SampleCvViewBase { } @Override - public void surfaceCreated(SurfaceHolder holder) { + public void surfaceCreated(SurfaceHolder holder) { synchronized (this) { // initialize Mats before usage mGray = new Mat(); @@ -107,41 +101,36 @@ class FdView extends SampleCvViewBase { } super.surfaceCreated(holder); - } + } - @Override + @Override protected Bitmap processFrame(VideoCapture capture) { capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA); capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME); - if (mAbsoluteFaceSize == 0) - { - int height = mGray.rows(); - if (Math.round(height * mRelativeFaceSize) > 0); - { - mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize); - } - mNativeDetector.setMinFaceSize(mAbsoluteFaceSize); + if (mAbsoluteFaceSize == 0) { + int height = mGray.rows(); + if (Math.round(height * mRelativeFaceSize) > 0) { + mAbsoluteFaceSize = Math.round(height * mRelativeFaceSize); + } + mNativeDetector.setMinFaceSize(mAbsoluteFaceSize); } - + MatOfRect faces = new MatOfRect(); - - if (mDetectorType == JAVA_DETECTOR) - { - if (mJavaDetector != null) - mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2 // TODO: objdetect.CV_HAAR_SCALE_IMAGE - , new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size()); + + if (mDetectorType == JAVA_DETECTOR) { + if (mJavaDetector != null) + mJavaDetector.detectMultiScale(mGray, faces, 1.1, 2, 2, // TODO: objdetect.CV_HAAR_SCALE_IMAGE + new Size(mAbsoluteFaceSize, mAbsoluteFaceSize), new Size()); } - else if (mDetectorType == NATIVE_DETECTOR) - { - if (mNativeDetector != null) - mNativeDetector.detect(mGray, faces); + else if (mDetectorType == NATIVE_DETECTOR) { + if (mNativeDetector != null) + mNativeDetector.detect(mGray, faces); } - else - { - Log.e(TAG, "Detection method is not selected!"); + else { + Log.e(TAG, "Detection method is not selected!"); } - + Rect[] facesArray = faces.toArray(); for (int i = 0; i < facesArray.length; i++) Core.rectangle(mRgba, facesArray[i].tl(), facesArray[i].br(), FACE_RECT_COLOR, 3); @@ -149,13 +138,13 @@ class FdView extends SampleCvViewBase { Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888); try { - Utils.matToBitmap(mRgba, bmp); + Utils.matToBitmap(mRgba, bmp); } catch(Exception e) { - Log.e(TAG, "Utils.matToBitmap() throws an exception: " + e.getMessage()); + Log.e(TAG, "Utils.matToBitmap() throws an exception: " + e.getMessage()); bmp.recycle(); bmp = null; } - + return bmp; } @@ -170,9 +159,9 @@ class FdView extends SampleCvViewBase { if (mGray != null) mGray.release(); if (mCascadeFile != null) - mCascadeFile.delete(); + mCascadeFile.delete(); if (mNativeDetector != null) - mNativeDetector.release(); + mNativeDetector.release(); mRgba = null; mGray = null; diff --git a/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java b/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java index 8941c244a2..0e99076b89 100644 --- a/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java +++ b/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java @@ -31,28 +31,27 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol public boolean openCamera() { Log.i(TAG, "openCamera"); synchronized (this) { - releaseCamera(); - mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); - if (!mCamera.isOpened()) { - mCamera.release(); - mCamera = null; - Log.e(TAG, "Failed to open native camera"); - return false; - } - } + releaseCamera(); + mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); + if (!mCamera.isOpened()) { + releaseCamera(); + Log.e(TAG, "Failed to open native camera"); + return false; + } + } return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); synchronized (this) { - if (mCamera != null) { - mCamera.release(); - mCamera = null; + if (mCamera != null) { + mCamera.release(); + mCamera = null; } } } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera("+width+", "+height+")"); synchronized (this) { @@ -79,7 +78,7 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); diff --git a/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java b/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java index 7bacce3ac8..153a11ae82 100644 --- a/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java +++ b/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java @@ -12,10 +12,11 @@ import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.Window; +import android.view.WindowManager; public class ImageManipulationsActivity extends Activity { - private static final String TAG = "Sample-ImageManipulations::Activity"; + private static final String TAG = "Sample-ImageManipulations::Activity"; public static final int VIEW_MODE_RGBA = 0; public static final int VIEW_MODE_HIST = 1; @@ -36,85 +37,79 @@ public class ImageManipulationsActivity extends Activity { private MenuItem mItemPreviewPosterize; public static int viewMode = VIEW_MODE_RGBA; - + private ImageManipulationsView mView; - + private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - // Create and set View - mView = new ImageManipulationsView(mAppContext); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + // Create and set View + mView = new ImageManipulationsView(mAppContext); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; public ImageManipulationsActivity() { Log.i(TAG, "Instantiated new " + this.getClass()); } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if( (null != mView) && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override @@ -122,12 +117,7 @@ public class ImageManipulationsActivity extends Activity { Log.i(TAG, "onCreate"); super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); - - Log.i(TAG, "Trying to load OpenCV library"); - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } @Override diff --git a/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsView.java b/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsView.java index 1506a4b54c..5a1c1f5ed8 100644 --- a/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsView.java +++ b/samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsView.java @@ -24,7 +24,7 @@ class ImageManipulationsView extends SampleCvViewBase { private Size mSize0; private Size mSizeRgba; private Size mSizeRgbaInner; - + private Mat mRgba; private Mat mGray; private Mat mIntermediateMat; @@ -55,7 +55,7 @@ class ImageManipulationsView extends SampleCvViewBase { } @Override - public void surfaceCreated(SurfaceHolder holder) { + public void surfaceCreated(SurfaceHolder holder) { synchronized (this) { // initialize Mats before usage mGray = new Mat(); @@ -71,11 +71,11 @@ class ImageManipulationsView extends SampleCvViewBase { mMat0 = new Mat(); mColorsRGB = new Scalar[] { new Scalar(200, 0, 0, 255), new Scalar(0, 200, 0, 255), new Scalar(0, 0, 200, 255) }; mColorsHue = new Scalar[] { - new Scalar(255, 0, 0, 255), new Scalar(255, 60, 0, 255), new Scalar(255, 120, 0, 255), new Scalar(255, 180, 0, 255), new Scalar(255, 240, 0, 255), - new Scalar(215, 213, 0, 255), new Scalar(150, 255, 0, 255), new Scalar(85, 255, 0, 255), new Scalar(20, 255, 0, 255), new Scalar(0, 255, 30, 255), - new Scalar(0, 255, 85, 255), new Scalar(0, 255, 150, 255), new Scalar(0, 255, 215, 255), new Scalar(0, 234, 255, 255), new Scalar(0, 170, 255, 255), - new Scalar(0, 120, 255, 255), new Scalar(0, 60, 255, 255), new Scalar(0, 0, 255, 255), new Scalar(64, 0, 255, 255), new Scalar(120, 0, 255, 255), - new Scalar(180, 0, 255, 255), new Scalar(255, 0, 255, 255), new Scalar(255, 0, 215, 255), new Scalar(255, 0, 85, 255), new Scalar(255, 0, 0, 255) + new Scalar(255, 0, 0, 255), new Scalar(255, 60, 0, 255), new Scalar(255, 120, 0, 255), new Scalar(255, 180, 0, 255), new Scalar(255, 240, 0, 255), + new Scalar(215, 213, 0, 255), new Scalar(150, 255, 0, 255), new Scalar(85, 255, 0, 255), new Scalar(20, 255, 0, 255), new Scalar(0, 255, 30, 255), + new Scalar(0, 255, 85, 255), new Scalar(0, 255, 150, 255), new Scalar(0, 255, 215, 255), new Scalar(0, 234, 255, 255), new Scalar(0, 170, 255, 255), + new Scalar(0, 120, 255, 255), new Scalar(0, 60, 255, 255), new Scalar(0, 0, 255, 255), new Scalar(64, 0, 255, 255), new Scalar(120, 0, 255, 255), + new Scalar(180, 0, 255, 255), new Scalar(255, 0, 255, 255), new Scalar(255, 0, 215, 255), new Scalar(255, 0, 85, 255), new Scalar(255, 0, 0, 255) }; mWhilte = Scalar.all(255); mP1 = new Point(); @@ -83,13 +83,13 @@ class ImageManipulationsView extends SampleCvViewBase { } super.surfaceCreated(holder); - } + } - private void CreateAuxiliaryMats() { + private void CreateAuxiliaryMats() { if (mRgba.empty()) return; - mSizeRgba = mRgba.size(); + mSizeRgba = mRgba.size(); int rows = (int) mSizeRgba.height; int cols = (int) mSizeRgba.width; @@ -102,7 +102,7 @@ class ImageManipulationsView extends SampleCvViewBase { if (mRgbaInnerWindow == null) mRgbaInnerWindow = mRgba.submat(top, top + height, left, left + width); - mSizeRgbaInner = mRgbaInnerWindow.size(); + mSizeRgbaInner = mRgbaInnerWindow.size(); if (mGrayInnerWindow == null && !mGray.empty()) mGrayInnerWindow = mGray.submat(top, top + height, left, left + width); @@ -134,38 +134,38 @@ class ImageManipulationsView extends SampleCvViewBase { int offset = (int) ((mSizeRgba.width - (5*mHistSizeNum + 4*10)*thikness)/2); // RGB for(int c=0; c<3; c++) { - Imgproc.calcHist(Arrays.asList(mRgba), mChannels[c], mMat0, mHist, mHistSize, mRanges); - Core.normalize(mHist, mHist, mSizeRgba.height/2, 0, Core.NORM_INF); - mHist.get(0, 0, mBuff); - for(int h=0; h> 1) * getFrameWidth() + (j & ~1); + int index = i * getFrameWidth() + j; + int supply_index = frameSize + (i >> 1) * getFrameWidth() + (j & ~1); int y = (0xff & ((int) data[index])); int u = (0xff & ((int) data[supply_index + 0])); int v = (0xff & ((int) data[supply_index + 1])); y = y < 16 ? 16 : y; - + float y_conv = 1.164f * (y - 16); int r = Math.round(y_conv + 1.596f * (v - 128)); int g = Math.round(y_conv - 0.813f * (v - 128) - 0.391f * (u - 128)); @@ -55,35 +55,36 @@ class Sample0View extends SampleViewBase { rgba[i * getFrameWidth() + j] = 0xff000000 + (b << 16) + (g << 8) + r; } + } } - + mBitmap.setPixels(rgba, 0/* offset */, getFrameWidth() /* stride */, 0, 0, getFrameWidth(), getFrameHeight()); return mBitmap; } - @Override - protected void onPreviewStarted(int previewWidth, int previewHeight) { - Log.i(TAG, "onPreviewStarted("+previewWidth+", "+previewHeight+")"); - /* Create a bitmap that will be used through to calculate the image to */ + @Override + protected void onPreviewStarted(int previewWidth, int previewHeight) { + Log.i(TAG, "onPreviewStarted("+previewWidth+", "+previewHeight+")"); + /* Create a bitmap that will be used through to calculate the image to */ mBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Bitmap.Config.ARGB_8888); - mRGBA = new int[previewWidth * previewHeight]; - } + mRGBA = new int[previewWidth * previewHeight]; + } - @Override - protected void onPreviewStopped() { - Log.i(TAG, "onPreviewStopped"); - if(mBitmap != null) { - mBitmap.recycle(); - mBitmap = null; - } - - if(mRGBA != null) { - mRGBA = null; - } - } + @Override + protected void onPreviewStopped() { + Log.i(TAG, "onPreviewStopped"); + if(mBitmap != null) { + mBitmap.recycle(); + mBitmap = null; + } - public void setViewMode(int viewMode) { - Log.i(TAG, "setViewMode("+viewMode+")"); - mViewMode = viewMode; - } + if(mRGBA != null) { + mRGBA = null; + } + } + + public void setViewMode(int viewMode) { + Log.i(TAG, "setViewMode("+viewMode+")"); + mViewMode = viewMode; + } } \ No newline at end of file diff --git a/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java b/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java index c0687951de..147393a839 100644 --- a/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java +++ b/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java @@ -46,7 +46,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) mCamera.setPreviewTexture( new SurfaceTexture(10) ); else - mCamera.setPreviewDisplay(null); + mCamera.setPreviewDisplay(null); } @@ -55,27 +55,27 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde releaseCamera(); mCamera = Camera.open(); if(mCamera == null) { - Log.e(TAG, "Can't open camera!"); - return false; + Log.e(TAG, "Can't open camera!"); + return false; } mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() { public void onPreviewFrame(byte[] data, Camera camera) { synchronized (SampleViewBase.this) { System.arraycopy(data, 0, mFrame, 0, data.length); - SampleViewBase.this.notify(); + SampleViewBase.this.notify(); } camera.addCallbackBuffer(mBuffer); } }); return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); mThreadRun = false; synchronized (this) { - if (mCamera != null) { + if (mCamera != null) { mCamera.stopPreview(); mCamera.setPreviewCallback(null); mCamera.release(); @@ -84,7 +84,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } onPreviewStopped(); } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera"); synchronized (this) { @@ -107,15 +107,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } params.setPreviewSize(getFrameWidth(), getFrameHeight()); - + List FocusModes = params.getSupportedFocusModes(); if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) { - params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); - } - + params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); + } + mCamera.setParameters(params); - + /* Now allocate the buffer */ params = mCamera.getParameters(); int size = params.getPreviewSize().width * params.getPreviewSize().height; @@ -125,11 +125,11 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); - try { - setPreview(); - } catch (IOException e) { - Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); - } + try { + setPreview(); + } catch (IOException e) { + Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); + } /* Notify that the preview is about to be started and deliver preview size */ onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); @@ -139,7 +139,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); diff --git a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1Java.java b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1Java.java index 6439e226fe..502b6e7d95 100644 --- a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1Java.java +++ b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1Java.java @@ -12,6 +12,7 @@ import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.Window; +import android.view.WindowManager; public class Sample1Java extends Activity { private static final String TAG = "Sample::Activity"; @@ -22,81 +23,76 @@ public class Sample1Java extends Activity { private Sample1View mView; private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - // Create and set View - mView = new Sample1View(mAppContext); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; - + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + // Create and set View + mView = new Sample1View(mAppContext); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; + public Sample1Java() { Log.i(TAG, "Instantiated new " + this.getClass()); } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if( (null != mView) && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override @@ -104,12 +100,7 @@ public class Sample1Java extends Activity { Log.i(TAG, "onCreate"); super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); - - Log.i(TAG, "Trying to load OpenCV library"); - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } @Override @@ -125,11 +116,11 @@ public class Sample1Java extends Activity { public boolean onOptionsItemSelected(MenuItem item) { Log.i(TAG, "Menu Item selected " + item); if (item == mItemPreviewRGBA) { - mView.setViewMode(Sample1View.VIEW_MODE_RGBA); + mView.setViewMode(Sample1View.VIEW_MODE_RGBA); } else if (item == mItemPreviewGray) { - mView.setViewMode(Sample1View.VIEW_MODE_GRAY); + mView.setViewMode(Sample1View.VIEW_MODE_GRAY); } else if (item == mItemPreviewCanny) { - mView.setViewMode(Sample1View.VIEW_MODE_CANNY); + mView.setViewMode(Sample1View.VIEW_MODE_CANNY); } return true; } diff --git a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1View.java b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1View.java index 114d1d57b9..99906769c6 100644 --- a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1View.java +++ b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1View.java @@ -22,35 +22,35 @@ class Sample1View extends SampleViewBase { private Mat mRgba; private Mat mGraySubmat; private Mat mIntermediateMat; - private Bitmap mBitmap; - private int mViewMode; + private Bitmap mBitmap; + private int mViewMode; public Sample1View(Context context) { super(context); mViewMode = VIEW_MODE_RGBA; } - @Override - protected void onPreviewStarted(int previewWidth, int previewHeight) { - synchronized (this) { - // initialize Mats before usage - mYuv = new Mat(getFrameHeight() + getFrameHeight() / 2, getFrameWidth(), CvType.CV_8UC1); - mGraySubmat = mYuv.submat(0, getFrameHeight(), 0, getFrameWidth()); + @Override + protected void onPreviewStarted(int previewWidth, int previewHeight) { + synchronized (this) { + // initialize Mats before usage + mYuv = new Mat(getFrameHeight() + getFrameHeight() / 2, getFrameWidth(), CvType.CV_8UC1); + mGraySubmat = mYuv.submat(0, getFrameHeight(), 0, getFrameWidth()); - mRgba = new Mat(); - mIntermediateMat = new Mat(); + mRgba = new Mat(); + mIntermediateMat = new Mat(); - mBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Bitmap.Config.ARGB_8888); - } - } + mBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Bitmap.Config.ARGB_8888); + } + } - @Override - protected void onPreviewStopped() { - if(mBitmap != null) { - mBitmap.recycle(); - } + @Override + protected void onPreviewStopped() { + if(mBitmap != null) { + mBitmap.recycle(); + } - synchronized (this) { + synchronized (this) { // Explicitly deallocate Mats if (mYuv != null) mYuv.release(); @@ -101,7 +101,7 @@ class Sample1View extends SampleViewBase { } public void setViewMode(int viewMode) { - mViewMode = viewMode; + mViewMode = viewMode; } } diff --git a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java index 630b99bfb1..d479215a7b 100644 --- a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java +++ b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java @@ -46,35 +46,35 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) mCamera.setPreviewTexture( new SurfaceTexture(10) ); else - mCamera.setPreviewDisplay(null); - } - + mCamera.setPreviewDisplay(null); + } + public boolean openCamera() { Log.i(TAG, "openCamera"); releaseCamera(); mCamera = Camera.open(); if(mCamera == null) { - Log.e(TAG, "Can't open camera!"); - return false; + Log.e(TAG, "Can't open camera!"); + return false; } mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() { public void onPreviewFrame(byte[] data, Camera camera) { synchronized (SampleViewBase.this) { System.arraycopy(data, 0, mFrame, 0, data.length); - SampleViewBase.this.notify(); + SampleViewBase.this.notify(); } camera.addCallbackBuffer(mBuffer); } }); return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); mThreadRun = false; synchronized (this) { - if (mCamera != null) { + if (mCamera != null) { mCamera.stopPreview(); mCamera.setPreviewCallback(null); mCamera.release(); @@ -83,7 +83,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } onPreviewStopped(); } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera"); synchronized (this) { @@ -106,15 +106,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } params.setPreviewSize(getFrameWidth(), getFrameHeight()); - + List FocusModes = params.getSupportedFocusModes(); if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) { - params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); - } - + params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); + } + mCamera.setParameters(params); - + /* Now allocate the buffer */ params = mCamera.getParameters(); int size = params.getPreviewSize().width * params.getPreviewSize().height; @@ -124,11 +124,11 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); - try { - setPreview(); - } catch (IOException e) { - Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); - } + try { + setPreview(); + } catch (IOException e) { + Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); + } /* Notify that the preview is about to be started and deliver preview size */ onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); @@ -138,7 +138,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); diff --git a/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2NativeCamera.java b/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2NativeCamera.java index e79c13fcff..8a190c77c8 100644 --- a/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2NativeCamera.java +++ b/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2NativeCamera.java @@ -12,6 +12,7 @@ import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.Window; +import android.view.WindowManager; public class Sample2NativeCamera extends Activity { private static final String TAG = "Sample::Activity"; @@ -25,85 +26,79 @@ public class Sample2NativeCamera extends Activity { private MenuItem mItemPreviewCanny; public static int viewMode = VIEW_MODE_RGBA; - - private Sample2View mView; + + private Sample2View mView; private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - // Create and set View - mView = new Sample2View(mAppContext); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; - + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + // Create and set View + mView = new Sample2View(mAppContext); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; + public Sample2NativeCamera() { Log.i(TAG, "Instantiated new " + this.getClass()); } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if((null != mView) && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override @@ -111,11 +106,7 @@ public class Sample2NativeCamera extends Activity { Log.i(TAG, "onCreate"); super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); - Log.i(TAG, "Trying to load OpenCV library"); - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } @Override diff --git a/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java b/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java index 2fa2b8ff23..18bc54bc1e 100644 --- a/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java +++ b/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java @@ -31,7 +31,7 @@ class Sample2View extends SampleCvViewBase { mRgba = new Mat(); mIntermediateMat = new Mat(); } - + super.surfaceCreated(holder); } @@ -50,16 +50,16 @@ class Sample2View extends SampleCvViewBase { capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME); Imgproc.Canny(mGray, mIntermediateMat, 80, 100); Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2BGRA, 4); - break; + break; } Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888); try { - Utils.matToBitmap(mRgba, bmp); + Utils.matToBitmap(mRgba, bmp); return bmp; } catch(Exception e) { - Log.e("org.opencv.samples.tutorial2", "Utils.matToBitmap() throws an exception: " + e.getMessage()); + Log.e("org.opencv.samples.tutorial2", "Utils.matToBitmap() throws an exception: " + e.getMessage()); bmp.recycle(); return null; } diff --git a/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/SampleCvViewBase.java b/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/SampleCvViewBase.java index dcce4e5040..381c671275 100644 --- a/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/SampleCvViewBase.java +++ b/samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/SampleCvViewBase.java @@ -29,28 +29,27 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol public boolean openCamera() { Log.i(TAG, "openCamera"); synchronized (this) { - releaseCamera(); - mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); - if (!mCamera.isOpened()) { - mCamera.release(); - mCamera = null; - Log.e(TAG, "Failed to open native camera"); - return false; - } - } + releaseCamera(); + mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); + if (!mCamera.isOpened()) { + releaseCamera(); + Log.e(TAG, "Failed to open native camera"); + return false; + } + } return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); synchronized (this) { - if (mCamera != null) { - mCamera.release(); - mCamera = null; + if (mCamera != null) { + mCamera.release(); + mCamera = null; } } } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera("+width+", "+height+")"); synchronized (this) { @@ -77,7 +76,7 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); @@ -115,8 +114,8 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol if (bmp != null) { Canvas canvas = mHolder.lockCanvas(); if (canvas != null) { - canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR); - canvas.drawBitmap(bmp, (canvas.getWidth()-bmp.getWidth()) / 2, (canvas.getHeight()-bmp.getHeight()) / 2, null); + canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR); + canvas.drawBitmap(bmp, (canvas.getWidth()-bmp.getWidth()) / 2, (canvas.getHeight()-bmp.getHeight()) / 2, null); mHolder.unlockCanvasAndPost(canvas); } bmp.recycle(); diff --git a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3Native.java b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3Native.java index 1409a204b6..3cc4d6754b 100644 --- a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3Native.java +++ b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3Native.java @@ -10,91 +10,86 @@ import android.content.DialogInterface; import android.os.Bundle; import android.util.Log; import android.view.Window; +import android.view.WindowManager; public class Sample3Native extends Activity { private static final String TAG = "Sample::Activity"; private Sample3View mView; - + private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - - // Load native library after(!) OpenCV initialization - System.loadLibrary("native_sample"); - - // Create and set View - mView = new Sample3View(mAppContext); - setContentView(mView); - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + + // Load native library after(!) OpenCV initialization + System.loadLibrary("native_sample"); + + // Create and set View + mView = new Sample3View(mAppContext); + setContentView(mView); + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; public Sample3Native() { Log.i(TAG, "Instantiated new " + this.getClass()); } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if((null != mView) && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override @@ -102,10 +97,6 @@ public class Sample3Native extends Activity { Log.i(TAG, "onCreate"); super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); - - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } } diff --git a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3View.java b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3View.java index ac67321d1b..d16cbb72d6 100644 --- a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3View.java +++ b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3View.java @@ -4,30 +4,30 @@ import android.content.Context; import android.graphics.Bitmap; class Sample3View extends SampleViewBase { - - private int mFrameSize; - private Bitmap mBitmap; - private int[] mRGBA; + + private int mFrameSize; + private Bitmap mBitmap; + private int[] mRGBA; public Sample3View(Context context) { super(context); } - @Override - protected void onPreviewStarted(int previewWidtd, int previewHeight) { - mFrameSize = previewWidtd * previewHeight; - mRGBA = new int[mFrameSize]; - mBitmap = Bitmap.createBitmap(previewWidtd, previewHeight, Bitmap.Config.ARGB_8888); - } + @Override + protected void onPreviewStarted(int previewWidtd, int previewHeight) { + mFrameSize = previewWidtd * previewHeight; + mRGBA = new int[mFrameSize]; + mBitmap = Bitmap.createBitmap(previewWidtd, previewHeight, Bitmap.Config.ARGB_8888); + } - @Override - protected void onPreviewStopped() { - if(mBitmap != null) { - mBitmap.recycle(); - mBitmap = null; - } - mRGBA = null; - } + @Override + protected void onPreviewStopped() { + if(mBitmap != null) { + mBitmap.recycle(); + mBitmap = null; + } + mRGBA = null; + } @Override protected Bitmap processFrame(byte[] data) { @@ -35,7 +35,7 @@ class Sample3View extends SampleViewBase { FindFeatures(getFrameWidth(), getFrameHeight(), data, rgba); - Bitmap bmp = mBitmap; + Bitmap bmp = mBitmap; bmp.setPixels(rgba, 0/* offset */, getFrameWidth() /* stride */, 0, 0, getFrameWidth(), getFrameHeight()); return bmp; } diff --git a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java index 26b17c9596..ac1762a8a0 100644 --- a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java +++ b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java @@ -45,35 +45,35 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) mCamera.setPreviewTexture( new SurfaceTexture(10) ); else - mCamera.setPreviewDisplay(null); - } + mCamera.setPreviewDisplay(null); + } public boolean openCamera() { Log.i(TAG, "openCamera"); releaseCamera(); mCamera = Camera.open(); if(mCamera == null) { - Log.e(TAG, "Can't open camera!"); - return false; + Log.e(TAG, "Can't open camera!"); + return false; } mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() { public void onPreviewFrame(byte[] data, Camera camera) { synchronized (SampleViewBase.this) { System.arraycopy(data, 0, mFrame, 0, data.length); - SampleViewBase.this.notify(); + SampleViewBase.this.notify(); } camera.addCallbackBuffer(mBuffer); } }); return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); mThreadRun = false; synchronized (this) { - if (mCamera != null) { + if (mCamera != null) { mCamera.stopPreview(); mCamera.setPreviewCallback(null); mCamera.release(); @@ -82,7 +82,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } onPreviewStopped(); } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera"); synchronized (this) { @@ -105,15 +105,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } params.setPreviewSize(getFrameWidth(), getFrameHeight()); - + List FocusModes = params.getSupportedFocusModes(); if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) { - params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); - } - + params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); + } + mCamera.setParameters(params); - + /* Now allocate the buffer */ params = mCamera.getParameters(); int size = params.getPreviewSize().width * params.getPreviewSize().height; @@ -123,11 +123,11 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); - try { - setPreview(); - } catch (IOException e) { - Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); - } + try { + setPreview(); + } catch (IOException e) { + Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); + } /* Notify that the preview is about to be started and deliver preview size */ onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); @@ -137,7 +137,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); diff --git a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4Mixed.java b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4Mixed.java index 6cd08ef25b..1c320a6a3a 100644 --- a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4Mixed.java +++ b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4Mixed.java @@ -12,6 +12,7 @@ import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.Window; +import android.view.WindowManager; public class Sample4Mixed extends Activity { private static final String TAG = "Sample::Activity"; @@ -20,103 +21,91 @@ public class Sample4Mixed extends Activity { private MenuItem mItemPreviewGray; private MenuItem mItemPreviewCanny; private MenuItem mItemPreviewFeatures; - private Sample4View mView; + private Sample4View mView; private BaseLoaderCallback mOpenCVCallBack = new BaseLoaderCallback(this) { - @Override - public void onManagerConnected(int status) { - switch (status) { - case LoaderCallbackInterface.SUCCESS: - { - Log.i(TAG, "OpenCV loaded successfully"); - - // Load native library after(!) OpenCV initialization - System.loadLibrary("mixed_sample"); - - // Create and set View - mView = new Sample4View(mAppContext); - setContentView(mView); - - // Check native OpenCV camera - if( !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } break; - /** OpenCV loader cannot start Google Play **/ - case LoaderCallbackInterface.MARKET_ERROR: - { - Log.d(TAG, "Google Play service is not accessible!"); - AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); - MarketErrorMessage.setTitle("OpenCV Manager"); - MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); - MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button - MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - mAppContext.finish(); - } - }); - MarketErrorMessage.show(); - } break; - default: - { - super.onManagerConnected(status); - } break; - } - } - }; + @Override + public void onManagerConnected(int status) { + switch (status) { + case LoaderCallbackInterface.SUCCESS: + { + Log.i(TAG, "OpenCV loaded successfully"); + + // Load native library after(!) OpenCV initialization + System.loadLibrary("mixed_sample"); + + // Create and set View + mView = new Sample4View(mAppContext); + setContentView(mView); + + // Check native OpenCV camera + if( !mView.openCamera() ) { + AlertDialog ad = new AlertDialog.Builder(mAppContext).create(); + ad.setCancelable(false); // This blocks the 'BACK' button + ad.setMessage("Fatal error: can't open camera!"); + ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + finish(); + } + }); + ad.show(); + } + } break; + /** OpenCV loader cannot start Google Play **/ + case LoaderCallbackInterface.MARKET_ERROR: + { + Log.d(TAG, "Google Play service is not accessible!"); + AlertDialog MarketErrorMessage = new AlertDialog.Builder(mAppContext).create(); + MarketErrorMessage.setTitle("OpenCV Manager"); + MarketErrorMessage.setMessage("Google Play service is not accessible!\nTry to install the 'OpenCV Manager' and the appropriate 'OpenCV binary pack' APKs from OpenCV SDK manually via 'adb install' command."); + MarketErrorMessage.setCancelable(false); // This blocks the 'BACK' button + MarketErrorMessage.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + mAppContext.finish(); + } + }); + MarketErrorMessage.show(); + } break; + default: + { + super.onManagerConnected(status); + } break; + } + } + }; public Sample4Mixed() { Log.i(TAG, "Instantiated new " + this.getClass()); } @Override - protected void onPause() { + protected void onPause() { Log.i(TAG, "onPause"); - super.onPause(); - if (null != mView) - mView.releaseCamera(); - } + if (null != mView) + mView.releaseCamera(); + super.onPause(); + } - @Override - protected void onResume() { + @Override + protected void onResume() { Log.i(TAG, "onResume"); - super.onResume(); - if((null != mView) && !mView.openCamera() ) { - AlertDialog ad = new AlertDialog.Builder(this).create(); - ad.setCancelable(false); // This blocks the 'BACK' button - ad.setMessage("Fatal error: can't open camera!"); - ad.setButton(AlertDialog.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - dialog.dismiss(); - finish(); - } - }); - ad.show(); - } - } + super.onResume(); + + Log.i(TAG, "Trying to load OpenCV library"); + if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) + { + Log.e(TAG, "Cannot connect to OpenCV Manager"); + } + } /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.i(TAG, "onCreate"); - requestWindowFeature(Window.FEATURE_NO_TITLE); - - Log.i(TAG, "Trying to load OpenCV library"); - if (!OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_2, this, mOpenCVCallBack)) - { - Log.e(TAG, "Cannot connect to OpenCV Manager"); - } + getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); } public boolean onCreateOptionsMenu(Menu menu) { @@ -131,13 +120,13 @@ public class Sample4Mixed extends Activity { public boolean onOptionsItemSelected(MenuItem item) { Log.i(TAG, "Menu Item selected " + item); if (item == mItemPreviewRGBA) { - mView.setViewMode(Sample4View.VIEW_MODE_RGBA); + mView.setViewMode(Sample4View.VIEW_MODE_RGBA); } else if (item == mItemPreviewGray) { - mView.setViewMode(Sample4View.VIEW_MODE_GRAY); + mView.setViewMode(Sample4View.VIEW_MODE_GRAY); } else if (item == mItemPreviewCanny) { - mView.setViewMode(Sample4View.VIEW_MODE_CANNY); + mView.setViewMode(Sample4View.VIEW_MODE_CANNY); } else if (item == mItemPreviewFeatures) { - mView.setViewMode(Sample4View.VIEW_MODE_FEATURES); + mView.setViewMode(Sample4View.VIEW_MODE_FEATURES); } return true; } diff --git a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4View.java b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4View.java index e4856f128f..708a6730df 100644 --- a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4View.java +++ b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4View.java @@ -15,39 +15,39 @@ class Sample4View extends SampleViewBase { public static final int VIEW_MODE_GRAY = 1; public static final int VIEW_MODE_CANNY = 2; public static final int VIEW_MODE_FEATURES = 5; - + private Mat mYuv; private Mat mRgba; private Mat mGraySubmat; private Mat mIntermediateMat; private int mViewMode; - private Bitmap mBitmap; + private Bitmap mBitmap; public Sample4View(Context context) { super(context); } - - @Override - protected void onPreviewStarted(int previewWidtd, int previewHeight) { + + @Override + protected void onPreviewStarted(int previewWidtd, int previewHeight) { // initialize Mats before usage mYuv = new Mat(getFrameHeight() + getFrameHeight() / 2, getFrameWidth(), CvType.CV_8UC1); mGraySubmat = mYuv.submat(0, getFrameHeight(), 0, getFrameWidth()); mRgba = new Mat(); mIntermediateMat = new Mat(); - - mBitmap = Bitmap.createBitmap(previewWidtd, previewHeight, Bitmap.Config.ARGB_8888); - } - @Override - protected void onPreviewStopped() { - - if (mBitmap != null) { - mBitmap.recycle(); - mBitmap = null; - } - + mBitmap = Bitmap.createBitmap(previewWidtd, previewHeight, Bitmap.Config.ARGB_8888); + } + + @Override + protected void onPreviewStopped() { + + if (mBitmap != null) { + mBitmap.recycle(); + mBitmap = null; + } + // Explicitly deallocate Mats if (mYuv != null) mYuv.release(); @@ -62,8 +62,8 @@ class Sample4View extends SampleViewBase { mRgba = null; mGraySubmat = null; mIntermediateMat = null; - - } + + } @Override @@ -105,6 +105,6 @@ class Sample4View extends SampleViewBase { public native void FindFeatures(long matAddrGr, long matAddrRgba); public void setViewMode(int viewMode) { - mViewMode = viewMode; + mViewMode = viewMode; } } diff --git a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java index af58a8702d..4dafeddd69 100644 --- a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java +++ b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java @@ -45,35 +45,35 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) mCamera.setPreviewTexture( new SurfaceTexture(10) ); else - mCamera.setPreviewDisplay(null); - } - + mCamera.setPreviewDisplay(null); + } + public boolean openCamera() { Log.i(TAG, "openCamera"); releaseCamera(); mCamera = Camera.open(); if(mCamera == null) { - Log.e(TAG, "Can't open camera!"); - return false; + Log.e(TAG, "Can't open camera!"); + return false; } mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() { public void onPreviewFrame(byte[] data, Camera camera) { synchronized (SampleViewBase.this) { System.arraycopy(data, 0, mFrame, 0, data.length); - SampleViewBase.this.notify(); + SampleViewBase.this.notify(); } camera.addCallbackBuffer(mBuffer); } }); return true; } - + public void releaseCamera() { Log.i(TAG, "releaseCamera"); mThreadRun = false; synchronized (this) { - if (mCamera != null) { + if (mCamera != null) { mCamera.stopPreview(); mCamera.setPreviewCallback(null); mCamera.release(); @@ -82,7 +82,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } onPreviewStopped(); } - + public void setupCamera(int width, int height) { Log.i(TAG, "setupCamera"); synchronized (this) { @@ -105,15 +105,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } params.setPreviewSize(getFrameWidth(), getFrameHeight()); - + List FocusModes = params.getSupportedFocusModes(); if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) { - params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); - } - + params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); + } + mCamera.setParameters(params); - + /* Now allocate the buffer */ params = mCamera.getParameters(); int size = params.getPreviewSize().width * params.getPreviewSize().height; @@ -123,11 +123,11 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); - try { - setPreview(); - } catch (IOException e) { - Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); - } + try { + setPreview(); + } catch (IOException e) { + Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); + } /* Notify that the preview is about to be started and deliver preview size */ onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); @@ -137,7 +137,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } } } - + public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) { Log.i(TAG, "surfaceChanged"); setupCamera(width, height); From ce11c0d1ebca66d89984fbc4421f674e3a885f87 Mon Sep 17 00:00:00 2001 From: Andrey Kamaev Date: Thu, 23 Aug 2012 14:39:10 +0400 Subject: [PATCH 4/6] Fix formatting in detection based tracker --- .../contrib/src/detection_based_tracker.cpp | 64 ++++++++++--------- 1 file changed, 33 insertions(+), 31 deletions(-) diff --git a/modules/contrib/src/detection_based_tracker.cpp b/modules/contrib/src/detection_based_tracker.cpp index bb7f4e9d44..8c477a96df 100644 --- a/modules/contrib/src/detection_based_tracker.cpp +++ b/modules/contrib/src/detection_based_tracker.cpp @@ -39,7 +39,7 @@ using namespace std; static inline cv::Point2f centerRect(const cv::Rect& r) { return cv::Point2f(r.x+((float)r.width)/2, r.y+((float)r.height)/2); -}; +} static inline cv::Rect scale_rect(const cv::Rect& r, float scale) { @@ -50,7 +50,7 @@ static inline cv::Rect scale_rect(const cv::Rect& r, float scale) int y=cvRound(m.y - height/2); return cv::Rect(x, y, cvRound(width), cvRound(height)); -}; +} namespace cv { @@ -66,6 +66,7 @@ class cv::DetectionBasedTracker::SeparateDetectionWork bool run(); void stop(); void resetTracking(); + inline bool isWorking() { return (stateThread==STATE_THREAD_WORKING_SLEEPING) || (stateThread==STATE_THREAD_WORKING_WITH_IMAGE); @@ -171,33 +172,33 @@ bool cv::DetectionBasedTracker::SeparateDetectionWork::run() } #ifdef __GNUC__ -#define CATCH_ALL_AND_LOG(_block) \ -do { \ +#define CATCH_ALL_AND_LOG(_block) \ +do { \ try { \ _block; \ break; \ } \ catch(cv::Exception& e) { \ - LOGE0("\n %s: ERROR: OpenCV Exception caught: \n'%s'\n\n", __func__, e.what()); \ + LOGE0("\n %s: ERROR: OpenCV Exception caught: \n'%s'\n\n", __func__, e.what()); \ } catch(std::exception& e) { \ - LOGE0("\n %s: ERROR: Exception caught: \n'%s'\n\n", __func__, e.what()); \ + LOGE0("\n %s: ERROR: Exception caught: \n'%s'\n\n", __func__, e.what()); \ } catch(...) { \ - LOGE0("\n %s: ERROR: UNKNOWN Exception caught\n\n", __func__); \ + LOGE0("\n %s: ERROR: UNKNOWN Exception caught\n\n", __func__); \ } \ } while(0) #else -#define CATCH_ALL_AND_LOG(_block) \ -do { \ +#define CATCH_ALL_AND_LOG(_block) \ +do { \ try { \ _block; \ break; \ } \ catch(cv::Exception& e) { \ - LOGE0("\n ERROR: OpenCV Exception caught: \n'%s'\n\n", e.what()); \ + LOGE0("\n ERROR: OpenCV Exception caught: \n'%s'\n\n", e.what()); \ } catch(std::exception& e) { \ - LOGE0("\n ERROR: Exception caught: \n'%s'\n\n", e.what()); \ + LOGE0("\n ERROR: Exception caught: \n'%s'\n\n", e.what()); \ } catch(...) { \ - LOGE0("\n ERROR: UNKNOWN Exception caught\n\n"); \ + LOGE0("\n ERROR: UNKNOWN Exception caught\n\n"); \ } \ } while(0) #endif @@ -298,8 +299,8 @@ void cv::DetectionBasedTracker::SeparateDetectionWork::workcycleObjectDetector() break; } - int64 t2_detect=getTickCount(); - int64 dt_detect=t2_detect-t1_detect; + int64 t2_detect = getTickCount(); + int64 dt_detect = t2_detect-t1_detect; double dt_detect_ms=((double)dt_detect)/freq * 1000.0; LOGI("DetectionBasedTracker::SeparateDetectionWork::workcycleObjectDetector() --- objects num==%d, t_ms=%.4f", (int)objects.size(), dt_detect_ms); @@ -378,26 +379,26 @@ bool cv::DetectionBasedTracker::SeparateDetectionWork::communicateWithDetectingT { static double freq = getTickFrequency(); - bool shouldCommunicateWithDetectingThread=(stateThread==STATE_THREAD_WORKING_SLEEPING); + bool shouldCommunicateWithDetectingThread = (stateThread==STATE_THREAD_WORKING_SLEEPING); LOGD("DetectionBasedTracker::SeparateDetectionWork::communicateWithDetectingThread: shouldCommunicateWithDetectingThread=%d", (shouldCommunicateWithDetectingThread?1:0)); if (!shouldCommunicateWithDetectingThread) { return false; } - bool shouldHandleResult=false; + bool shouldHandleResult = false; pthread_mutex_lock(&mutex); if (isObjectDetectingReady) { shouldHandleResult=true; - rectsWhereRegions=resultDetect; + rectsWhereRegions = resultDetect; isObjectDetectingReady=false; - double lastBigDetectionDuration=1000.0 * (((double)(getTickCount() - timeWhenDetectingThreadStartedWork )) / freq); + double lastBigDetectionDuration = 1000.0 * (((double)(getTickCount() - timeWhenDetectingThreadStartedWork )) / freq); LOGD("DetectionBasedTracker::SeparateDetectionWork::communicateWithDetectingThread: lastBigDetectionDuration=%f ms", (double)lastBigDetectionDuration); } - bool shouldSendNewDataToWorkThread=true; + bool shouldSendNewDataToWorkThread = true; if (timeWhenDetectingThreadStartedWork > 0) { double time_from_previous_launch_in_ms=1000.0 * (((double)(getTickCount() - timeWhenDetectingThreadStartedWork )) / freq); //the same formula as for lastBigDetectionDuration shouldSendNewDataToWorkThread = (time_from_previous_launch_in_ms >= detectionBasedTracker.parameters.minDetectionPeriod); @@ -496,24 +497,24 @@ void DetectionBasedTracker::process(const Mat& imageGray) LOGD("DetectionBasedTracker::process: get _rectsWhereRegions were got from resultDetect"); } else { LOGD("DetectionBasedTracker::process: get _rectsWhereRegions from previous positions"); - for(size_t i=0; i < trackedObjects.size(); i++) { - int n=trackedObjects[i].lastPositions.size(); + for(size_t i = 0; i < trackedObjects.size(); i++) { + int n = trackedObjects[i].lastPositions.size(); CV_Assert(n > 0); - Rect r=trackedObjects[i].lastPositions[n-1]; - if(r.area()==0) { + Rect r = trackedObjects[i].lastPositions[n-1]; + if(r.area() == 0) { LOGE("DetectionBasedTracker::process: ERROR: ATTENTION: strange algorithm's behavior: trackedObjects[i].rect() is empty"); continue; } //correction by speed of rectangle if (n > 1) { - Point2f center=centerRect(r); - Point2f center_prev=centerRect(trackedObjects[i].lastPositions[n-2]); - Point2f shift=(center - center_prev) * innerParameters.coeffObjectSpeedUsingInPrediction; + Point2f center = centerRect(r); + Point2f center_prev = centerRect(trackedObjects[i].lastPositions[n-2]); + Point2f shift = (center - center_prev) * innerParameters.coeffObjectSpeedUsingInPrediction; - r.x+=cvRound(shift.x); - r.y+=cvRound(shift.y); + r.x += cvRound(shift.x); + r.y += cvRound(shift.y); } @@ -526,7 +527,7 @@ void DetectionBasedTracker::process(const Mat& imageGray) LOGD("DetectionBasedTracker::process: rectsWhereRegions.size()=%d", (int)rectsWhereRegions.size()); for(size_t i=0; i < rectsWhereRegions.size(); i++) { - Rect r=rectsWhereRegions[i]; + Rect r = rectsWhereRegions[i]; detectInRegion(imageDetect, r, detectedObjectsInRegions); } @@ -799,8 +800,9 @@ Rect cv::DetectionBasedTracker::calcTrackedObjectPositionToShow(int i) const void cv::DetectionBasedTracker::detectInRegion(const Mat& img, const Rect& r, vector& detectedObjectsInRegions) { Rect r0(Point(), img.size()); - Rect r1=scale_rect(r, innerParameters.coeffTrackingWindowSize); - r1=r1 & r0; + Rect r1 = scale_rect(r, innerParameters.coeffTrackingWindowSize); + r1 = r1 & r0; + if ( (r1.width <=0) || (r1.height <= 0) ) { LOGD("DetectionBasedTracker::detectInRegion: Empty intersection"); return; From e9e06685491c123465e272511a623d3ef72f6046 Mon Sep 17 00:00:00 2001 From: Andrey Kamaev Date: Thu, 23 Aug 2012 16:02:33 +0400 Subject: [PATCH 5/6] Fix crash on resume in face detection sample --- .../face-detection/jni/DetectionBasedTracker_jni.cpp | 12 ++++++++++-- .../src/org/opencv/samples/fd/SampleCvViewBase.java | 3 ++- 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp b/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp index 67171c2059..33ee8e7a52 100644 --- a/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp +++ b/samples/android/face-detection/jni/DetectionBasedTracker_jni.cpp @@ -68,6 +68,7 @@ struct DetectorAgregator JNIEXPORT jlong JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject (JNIEnv * jenv, jclass, jstring jFileName, jint faceSize) { + LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject enter"); const char* jnamestr = jenv->GetStringUTFChars(jFileName, NULL); string stdFileName(jnamestr); jlong result = 0; @@ -101,6 +102,7 @@ JNIEXPORT jlong JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeC return 0; } + LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeCreateObject exit"); return result; } @@ -111,8 +113,11 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDe try { - ((DetectorAgregator*)thiz)->tracker->stop(); - delete (DetectorAgregator*)thiz; + if(thiz != 0) + { + ((DetectorAgregator*)thiz)->tracker->stop(); + delete (DetectorAgregator*)thiz; + } } catch(cv::Exception e) { @@ -128,6 +133,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDe jclass je = jenv->FindClass("java/lang/Exception"); jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDestroyObject(...)}"); } + LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeDestroyObject exit"); } JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart @@ -153,6 +159,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSt jclass je = jenv->FindClass("java/lang/Exception"); jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart(...)}"); } + LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStart exit"); } JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop @@ -178,6 +185,7 @@ JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSt jclass je = jenv->FindClass("java/lang/Exception"); jenv->ThrowNew(je, "Unknown exception in JNI code {Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop(...)}"); } + LOGD("Java_org_opencv_samples_fd_DetectionBasedTracker_nativeStop exit"); } JNIEXPORT void JNICALL Java_org_opencv_samples_fd_DetectionBasedTracker_nativeSetFaceSize diff --git a/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java b/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java index 0e99076b89..f24f602c54 100644 --- a/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java +++ b/samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java @@ -34,8 +34,8 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol releaseCamera(); mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID); if (!mCamera.isOpened()) { - releaseCamera(); Log.e(TAG, "Failed to open native camera"); + releaseCamera(); return false; } } @@ -92,6 +92,7 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol public void surfaceDestroyed(SurfaceHolder holder) { Log.i(TAG, "surfaceDestroyed"); releaseCamera(); + Log.i(TAG, "surfaceDestroyed2"); } protected abstract Bitmap processFrame(VideoCapture capture); From ba862ffdff90504d7f9ad1c4bb85dfd7396d7b3d Mon Sep 17 00:00:00 2001 From: Andrey Kamaev Date: Thu, 23 Aug 2012 19:17:51 +0400 Subject: [PATCH 6/6] Fix/workaround bogus error in Android samples running on Android 4.1.1 --- .../opencv/samples/tutorial0/SampleViewBase.java | 16 +++++++++------- .../opencv/samples/tutorial1/SampleViewBase.java | 13 ++++++++----- .../opencv/samples/tutorial3/SampleViewBase.java | 13 ++++++++----- .../opencv/samples/tutorial4/SampleViewBase.java | 13 ++++++++----- 4 files changed, 33 insertions(+), 22 deletions(-) diff --git a/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java b/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java index 147393a839..376c86adb1 100644 --- a/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java +++ b/samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java @@ -25,6 +25,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde private byte[] mFrame; private boolean mThreadRun; private byte[] mBuffer; + private SurfaceTexture mSf; public SampleViewBase(Context context) { @@ -43,16 +44,17 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } public void setPreview() throws IOException { - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) - mCamera.setPreviewTexture( new SurfaceTexture(10) ); + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { + mSf = new SurfaceTexture(10); + mCamera.setPreviewTexture( mSf ); + } else - mCamera.setPreviewDisplay(null); + mCamera.setPreviewDisplay(null); } public boolean openCamera() { Log.i(TAG, "openCamera"); - releaseCamera(); mCamera = Camera.open(); if(mCamera == null) { Log.e(TAG, "Can't open camera!"); @@ -125,15 +127,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); + /* Notify that the preview is about to be started and deliver preview size */ + onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); + try { setPreview(); } catch (IOException e) { Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); } - /* Notify that the preview is about to be started and deliver preview size */ - onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); - /* Now we can start a preview */ mCamera.startPreview(); } diff --git a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java index d479215a7b..6151eb0957 100644 --- a/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java +++ b/samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java @@ -25,6 +25,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde private byte[] mFrame; private boolean mThreadRun; private byte[] mBuffer; + private SurfaceTexture mSf; public SampleViewBase(Context context) { @@ -43,8 +44,10 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } public void setPreview() throws IOException { - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) - mCamera.setPreviewTexture( new SurfaceTexture(10) ); + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { + mSf = new SurfaceTexture(10); + mCamera.setPreviewTexture( mSf ); + } else mCamera.setPreviewDisplay(null); } @@ -124,15 +127,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); + /* Notify that the preview is about to be started and deliver preview size */ + onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); + try { setPreview(); } catch (IOException e) { Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); } - /* Notify that the preview is about to be started and deliver preview size */ - onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); - /* Now we can start a preview */ mCamera.startPreview(); } diff --git a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java index ac1762a8a0..f4666ed390 100644 --- a/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java +++ b/samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java @@ -24,6 +24,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde private byte[] mFrame; private boolean mThreadRun; private byte[] mBuffer; + private SurfaceTexture mSf; public SampleViewBase(Context context) { @@ -42,8 +43,10 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } public void setPreview() throws IOException { - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) - mCamera.setPreviewTexture( new SurfaceTexture(10) ); + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { + mSf = new SurfaceTexture(10); + mCamera.setPreviewTexture( mSf ); + } else mCamera.setPreviewDisplay(null); } @@ -123,15 +126,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); + /* Notify that the preview is about to be started and deliver preview size */ + onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); + try { setPreview(); } catch (IOException e) { Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); } - /* Notify that the preview is about to be started and deliver preview size */ - onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); - /* Now we can start a preview */ mCamera.startPreview(); } diff --git a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java index 4dafeddd69..4991e3033d 100644 --- a/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java +++ b/samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java @@ -24,6 +24,7 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde private byte[] mFrame; private boolean mThreadRun; private byte[] mBuffer; + private SurfaceTexture mSf; public SampleViewBase(Context context) { @@ -42,8 +43,10 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde } public void setPreview() throws IOException { - if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) - mCamera.setPreviewTexture( new SurfaceTexture(10) ); + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { + mSf = new SurfaceTexture(10); + mCamera.setPreviewTexture( mSf ); + } else mCamera.setPreviewDisplay(null); } @@ -123,15 +126,15 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde mFrame = new byte [size]; mCamera.addCallbackBuffer(mBuffer); + /* Notify that the preview is about to be started and deliver preview size */ + onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); + try { setPreview(); } catch (IOException e) { Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e); } - /* Notify that the preview is about to be started and deliver preview size */ - onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height); - /* Now we can start a preview */ mCamera.startPreview(); }