优化

app/build.gradle

@@ -34,6 +34,9 @@ android {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
+        debug {
+            jniDebuggable true
+        }
     }
 
 //    sourceSets {

app/src/main/cpp/CMakeLists.txt

@@ -21,6 +21,9 @@ ENDIF()
 
 project("mppreview")
 
+include_directories(D:/Workspace/deps/hdrplus_libs/${ANDROID_ABI}/include)
+link_directories(D:/Workspace/deps/hdrplus_libs/${ANDROID_ABI}/lib)
+
 find_package(OpenCV REQUIRED core imgproc highgui photo)
 # find_package(OpenCV REQUIRED core imgproc)
 if(OpenCV_FOUND)
@@ -84,6 +87,7 @@ target_link_libraries( # Specifies the target library.
 
         #ncnn
 
+        raw raw_r
         ${OpenCV_LIBS}
 
         )

app/src/main/cpp/MpPreview.cpp

@@ -28,7 +28,6 @@ namespace cv2
 {
     using namespace cv;
 
-
     Mat linearResponseNew(int channels)
     {
         Mat response = Mat(LDR_SIZE, 1, CV_MAKETYPE(CV_32F, channels));
@@ -131,11 +130,12 @@ namespace cv2
             Mat weight_sum = Mat::zeros(size, CV_32F);
 
             ALOGD("HDR Merge 5");
-// #pragma omp parallel for num_threads(2)
+
             for(size_t i = 0; i < images.size(); i++) {
                 std::vector<Mat> splitted;
                 split(images[i], splitted);
 
+                ALOGD("HDR Merge 5 - 1");
                 Mat w = Mat::zeros(size, CV_32F);
                 for(int c = 0; c < channels; c++) {
                     LUT(splitted[c], weights, splitted[c]);
@@ -143,14 +143,18 @@ namespace cv2
                 }
                 w /= channels;
 
+                ALOGD("HDR Merge 5 - 2");
                 Mat response_img;
                 LUT(images[i], log_response, response_img);
                 split(response_img, splitted);
+
+// #pragma omp parallel for num_threads(channels)
                 for(int c = 0; c < channels; c++) {
                     //这里崩溃
                     result_split[c] += w.mul(splitted[c] - exp_values.at<float>((int)i));
                 }
                 weight_sum += w;
+                ALOGD("HDR Merge 5 - 3");
             }
 
             ALOGD("HDR Merge 6");
@@ -506,7 +510,7 @@ bool makeHdr(std::vector<float>& times, std::vector<std::string>& paths, cv::Mat
     // Tonemap using Reinhard's method to obtain 24-bit color image
     // cout << "Tonemaping using Reinhard's method ... ";
     cv::Mat ldrReinhard;
-    cv::Ptr<cv2::TonemapReinhardNew> tonemapReinhard = cv2::createTonemapReinhardNew(1.5, 0, 0, 0);
+    cv::Ptr<cv::TonemapReinhard> tonemapReinhard = cv::createTonemapReinhard(1.5, 0, 0, 0);
     tonemapReinhard->process(hdrDebevec, ldrReinhard);
     hdrDebevec.release();
 
@@ -540,7 +544,7 @@ bool makeHdr(std::vector<float>& times, std::vector<cv::Mat>& images, cv::Mat& r
     // Merge images into an HDR linear image
     ALOGI("Merging images into one HDR image ... ");
     cv::Mat hdrDebevec;
-    cv::Ptr<cv2::MergeDebevecNew> mergeDebevec = cv2::createMergeDebevecNew();
+    cv::Ptr<cv::MergeDebevec> mergeDebevec = cv::createMergeDebevec();
     mergeDebevec->process(images, hdrDebevec, times, responseDebevec);
     // Save HDR image.
     // imwrite((OUTPUT_DIR "hdrDebevec.hdr"), hdrDebevec);
@@ -554,7 +558,7 @@ bool makeHdr(std::vector<float>& times, std::vector<cv::Mat>& images, cv::Mat& r
     // Tonemap using Reinhard's method to obtain 24-bit color image
     ALOGI("Tonemaping using Reinhard's method ... ");
     cv::Mat ldrReinhard;
-    cv::Ptr<cv2::TonemapReinhardNew> tonemapReinhard = cv2::createTonemapReinhardNew(1.5, 0, 0, 0);
+    cv::Ptr<cv::TonemapReinhard> tonemapReinhard = cv::createTonemapReinhard(1.5, 0, 0, 0);
     tonemapReinhard->process(hdrDebevec, ldrReinhard);
     hdrDebevec.release();
 
@@ -708,8 +712,11 @@ Java_com_xypower_mppreview_Camera2RawFragment_makeHdr3(JNIEnv *env, jclass clazz
     for (int idx = 0; idx < 2; idx++)
     {
         AndroidBitmapInfo bmpInfo = { 0 };
-        AHardwareBuffer* hardwareBuffer = NULL;
         int result = AndroidBitmap_getInfo(env, bitmaps[idx], &bmpInfo);
+
+        if ((ANDROID_BITMAP_FLAGS_IS_HARDWARE & bmpInfo.flags) == ANDROID_BITMAP_FLAGS_IS_HARDWARE)
+        {
+            AHardwareBuffer* hardwareBuffer = NULL;
             result = AndroidBitmap_getHardwareBuffer(env, bitmaps[idx], &hardwareBuffer);
 
             void* outVirtualAddress = NULL;
@@ -718,6 +725,15 @@ Java_com_xypower_mppreview_Camera2RawFragment_makeHdr3(JNIEnv *env, jclass clazz
             cv::Mat tmp(bmpInfo.height, bmpInfo.width, CV_8UC4, outVirtualAddress);
             AHardwareBuffer_unlock(hardwareBuffer, &fence);
             tmp.copyTo(images[idx]);
+        }
+        else
+        {
+            void* outAddress = NULL;
+            result = AndroidBitmap_lockPixels(env, bitmaps[idx], &outAddress);
+            cv::Mat tmp(bmpInfo.height, bmpInfo.width, CV_8UC4, outAddress);
+            AndroidBitmap_unlockPixels(env, bitmaps[idx]);
+            tmp.copyTo(images[idx]);
+        }
 
         //convert RGB to BGR
         cv::cvtColor(images[idx], images[idx], cv::COLOR_RGB2BGR);
@@ -746,5 +762,14 @@ Java_com_xypower_mppreview_Camera2RawFragment_makeHdr3(JNIEnv *env, jclass clazz
         return JNI_TRUE;
     }
 
+    // env->DeleteGlobalRef(img1);
+    // env->DeleteGlobalRef(img2);
+
     return JNI_FALSE;
 }
+extern "C"
+JNIEXPORT jboolean JNICALL
+Java_com_xypower_mppreview_Camera2RawFragment_decodeDng(JNIEnv *env, jclass clazz,
+                                                        jobject byte_buffer, jstring output_path) {
+    // TODO: implement decodeDng()
+}

app/src/main/java/com/xypower/mppreview/Camera2RawFragment.java

@@ -135,6 +135,8 @@ public class Camera2RawFragment extends Fragment {
 
     public static native boolean makeHdr3(long exposureTime1, Bitmap img1, int length1, long exposureTime2, Bitmap img2, int length2, String outputPath);
 
+    // public static native boolean decodeDng(ByteBuffer byteBuffer, String outputPath);
+
     private int mExposureComp = MainActivity.ExposureComp;
 
     private Long exposetime;
@@ -653,9 +655,11 @@ public class Camera2RawFragment extends Fragment {
                 }
                 StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
                 // For still image captures, we use the largest available size.
+                Size[] outputSizes = map.getOutputSizes(ImageFormat.YUV_420_888);
                 Size largestJpeg = Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)), new CompareSizesByArea());
 
-                Size largestRaw = Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.RAW_SENSOR)), new CompareSizesByArea());
+                outputSizes = map.getOutputSizes(ImageFormat.RAW_SENSOR);
+                Size largestRaw = Collections.max(Arrays.asList(outputSizes), new CompareSizesByArea());
 //                Size largestRaw = Arrays.asList(map.getOutputSizes(ImageFormat.RAW_SENSOR)).get(1);
 
                 synchronized (mCameraStateLock) {
@@ -885,7 +889,7 @@ public class Camera2RawFragment extends Fragment {
         // parameters.setPreviewFrameRate(10);
 
         Range<Integer>[] fpsRanges = mCharacteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES);
-        Range<Integer> fpsRange = new Range<>(5, 30);
+        Range<Integer> fpsRange = new Range<>(10, 15);
         builder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, fpsRange);
 
         // Enable auto-magical 3A run by camera device
@@ -1110,15 +1114,19 @@ public class Camera2RawFragment extends Fragment {
                         new Thread(new Runnable() {
                             @Override
                             public void run() {
-                                // makeHdr3()
-
                                 if (images.size() != 2) {
                                     return;
                                 }
                                 ImageSaver.ImageInfo img1 = images.get(0);
                                 ImageSaver.ImageInfo img2 = images.get(1);
                                 Log.d("开始Hdr处理", "strat");
-                                boolean b = makeHdr3(img1.exposureTime, img1.bitmap, img1.length, img2.exposureTime, img2.bitmap, img2.length, outputPath + "HDR_" + generateTimestamp() + ".jpg");
+                                String hdrOutputPath = outputPath + "HDR_" + generateTimestamp() + ".jpg";
+                                boolean b = makeHdr3(img1.exposureTime, img1.bitmap, img1.length, img2.exposureTime, img2.bitmap, img2.length, hdrOutputPath);
+                                img1.bitmap.recycle();
+                                img2.bitmap.recycle();
+                                img1 = null;
+                                img2 = null;
+                                images.clear();
                                 Log.d("结束Hdr处理", "end");
                                 if (b) {
                                     showToast("HDR拍摄成功");

app/src/main/java/com/xypower/mppreview/CameraActivity.java

@@ -2,9 +2,12 @@ package com.xypower.mppreview;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import android.content.ComponentCallbacks2;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.view.Window;
 import android.view.WindowInsets;
@@ -15,6 +18,7 @@ import com.xypower.mppreview.bean.Contants;
 
 public class CameraActivity extends AppCompatActivity {
 
+    private final static String TAG = "HDR";
     public int intExtra;
 
     @Override
@@ -31,4 +35,19 @@ public class CameraActivity extends AppCompatActivity {
             getSupportFragmentManager().beginTransaction().setReorderingAllowed(true).replace(R.id.container, Camera2RawFragment.class, bundle).commit();
         }
     }
+
+    @Override
+    public void onTrimMemory(int level) {
+        Log.w(TAG, "Event onTrimMemory level=" + level);
+        try {
+            System.gc();
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    @Override
+    public void onLowMemory() {
+        Log.w(TAG, "Event onLowMemory");
+    }
 }

app/src/main/java/com/xypower/mppreview/ImageSaver.java

@@ -150,11 +150,13 @@ public class ImageSaver implements Runnable {
                         ImageDecoder.OnHeaderDecodedListener listener = new ImageDecoder.OnHeaderDecodedListener() {
                             @Override
                             public void onHeaderDecoded(@NonNull ImageDecoder decoder, @NonNull ImageDecoder.ImageInfo info, @NonNull ImageDecoder.Source source) {
+                                // decoder.setAllocator(ImageDecoder.ALLOCATOR_SOFTWARE);
                                 decoder.setAllocator(ImageDecoder.ALLOCATOR_HARDWARE);
+                                // decoder.setTargetSize(4702, 3520);
                             }
                         };
 
-                        Log.i("HDR", "Start Hardware Decoding Exp=" + t.toString());
+                        Log.i(TAG, "Start Hardware Decoding Exp=" + t.toString() + " TID=" + Thread.currentThread().getId());
                         ImageDecoder imageDecoder = null;
                         Bitmap bmp = null;
                         // ImageDecoder.Source source = ImageDecoder.createSource(mFile);
@@ -165,8 +167,9 @@ public class ImageSaver implements Runnable {
                         } catch (Exception ex) {
                             ex.printStackTrace();
                         }
-                        Log.i("HDR", "End Hardware Decoding Exp=" + t.toString());
+                        Log.i(TAG, "End Hardware Decoding Exp=" + t.toString());
 
+                        byteBuffer.clear();
                         byteBuffer = null;
                         mImagePair.addImage(bmp, 0, t.longValue());
                         success = true;

app/src/main/res/layout/activity_camera.xml

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:keepScreenOn="true"
     tools:context=".CameraActivity">
 
     <!-- res/layout/example_activity.xml -->

app/src/main/res/layout/activity_camera_channel.xml

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:keepScreenOn="true"
     tools:context=".CameraChannelActivity">
 
     <androidx.camera.view.PreviewView

app/src/main/res/layout/activity_main.xml

@@ -7,6 +7,7 @@
     android:paddingLeft="15dp"
     android:paddingTop="20dp"
     android:paddingRight="15dp"
+    android:keepScreenOn="true"
     tools:context=".MainActivity">
 
     <TextView

gradle.properties

@@ -20,4 +20,4 @@ android.useAndroidX=true
 # thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
 
-opencvsdk=D:/Workspace/deps/opencv-mobile-4.10.0-android
+opencvsdk=D:/Workspace/deps/opencv-mobile-4.10.0-android-nihui