feat(android): view mynteye datas

wrappers/android/mynteye/app/src/main/java/com/slightech/mynteye/demo/MyApplication.java

@@ -1,6 +1,7 @@
 package com.slightech.mynteye.demo;
 
 import android.app.Application;
+//import com.stericson.RootShell.RootShell;
 import timber.log.Timber;
 
 public class MyApplication extends Application {
@@ -16,6 +17,7 @@ public class MyApplication extends Application {
   @Override public void onCreate() {
     super.onCreate();
     Timber.plant(new Timber.DebugTree());
+    //RootShell.debugMode = true;
   }
 
   @Override public void onLowMemory() {

wrappers/android/mynteye/app/src/main/java/com/slightech/mynteye/demo/camera/Mynteye.java

@@ -0,0 +1,123 @@
+package com.slightech.mynteye.demo.camera;
+
+import android.os.Handler;
+import android.os.HandlerThread;
+import com.slightech.mynteye.Device;
+import com.slightech.mynteye.DeviceUsbInfo;
+import com.slightech.mynteye.MotionData;
+import com.slightech.mynteye.Source;
+import com.slightech.mynteye.Stream;
+import com.slightech.mynteye.StreamData;
+import com.slightech.mynteye.StreamRequest;
+import java.util.ArrayList;
+
+public final class Mynteye implements Runnable {
+
+  private Device mDevice;
+
+  private HandlerThread mBackgroundThread;
+  private Handler mBackgroundHandler;
+
+  private boolean mOpened;
+
+  public interface OnStreamDataReceiveListener {
+    void onStreamDataReceive(Stream stream, StreamData data, Handler handler);
+    void onStreamLeftReceive(StreamData data, Handler handler);
+    void onStreamRightReceive(StreamData data, Handler handler);
+  }
+
+  public interface OnMotionDataReceiveListener {
+    void onMotionDataReceive(ArrayList<MotionData> datas, Handler handler);
+  }
+
+  private OnStreamDataReceiveListener mOnStreamDataReceiveListener;
+  private OnMotionDataReceiveListener mOnMotionDataReceiveListener;
+
+  public Mynteye(DeviceUsbInfo info) {
+    mDevice = Device.create(info);
+    mOpened = false;
+  }
+
+  public void setOnStreamDataReceiveListener(OnStreamDataReceiveListener l) {
+    mOnStreamDataReceiveListener = l;
+  }
+
+  public void setOnMotionDataReceiveListener(OnMotionDataReceiveListener l) {
+    mOnMotionDataReceiveListener = l;
+  }
+
+  public ArrayList<StreamRequest> getStreamRequests() {
+    return mDevice.getStreamRequests();
+  }
+
+  public void open(StreamRequest request) {
+    if (mOpened) return;
+    mOpened = true;
+    startBackgroundThread();
+
+    mDevice.configStreamRequest(request);
+    mDevice.enableMotionDatas(Integer.MAX_VALUE);
+    mDevice.start(Source.ALL);
+
+    mBackgroundHandler.post(this);
+  }
+
+  public void close() {
+    if (!mOpened) return;
+    mOpened = false;
+    stopBackgroundThread();
+    mDevice.stop(Source.ALL);
+  }
+
+  @Override
+  public void run() {
+    //Timber.i("wait streams");
+    mDevice.waitForStreams();
+
+    //Timber.i("get streams");
+    {
+      StreamData data = mDevice.getStreamData(Stream.LEFT);
+      if (mOnStreamDataReceiveListener != null) {
+        mOnStreamDataReceiveListener.onStreamDataReceive(Stream.LEFT, data, mBackgroundHandler);
+        mOnStreamDataReceiveListener.onStreamLeftReceive(data, mBackgroundHandler);
+      }
+    }
+    {
+      StreamData data = mDevice.getStreamData(Stream.RIGHT);
+      if (mOnStreamDataReceiveListener != null) {
+        mOnStreamDataReceiveListener.onStreamDataReceive(Stream.RIGHT, data, mBackgroundHandler);
+        mOnStreamDataReceiveListener.onStreamRightReceive(data, mBackgroundHandler);
+      }
+    }
+
+    //Timber.i("get motions");
+    {
+      ArrayList<MotionData> datas = mDevice.getMotionDatas();
+      if (mOnMotionDataReceiveListener != null) {
+        mOnMotionDataReceiveListener.onMotionDataReceive(datas, mBackgroundHandler);
+      }
+    }
+
+    if (mOpened) mBackgroundHandler.post(this);
+  }
+
+  private void startBackgroundThread() {
+    mBackgroundThread = new HandlerThread("MynteyeBackground");
+    mBackgroundThread.start();
+    mBackgroundHandler = new Handler(mBackgroundThread.getLooper());
+  }
+
+  private void stopBackgroundThread() {
+    mBackgroundThread.quitSafely();
+    //mBackgroundThread.interrupt();
+    try {
+      mBackgroundHandler.removeCallbacksAndMessages(null);
+      mBackgroundThread.join();
+      mBackgroundThread = null;
+      mBackgroundHandler = null;
+    } catch (InterruptedException e) {
+      e.printStackTrace();
+    }
+  }
+
+}

wrappers/android/mynteye/app/src/main/java/com/slightech/mynteye/demo/ui/MainActivity.java

@@ -1,21 +1,43 @@
 package com.slightech.mynteye.demo.ui;
 
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.widget.ArrayAdapter;
+import android.widget.ImageView;
 import android.widget.ListView;
+import android.widget.TextView;
 import android.widget.Toast;
 import androidx.appcompat.app.AlertDialog;
+import butterknife.BindView;
 import butterknife.ButterKnife;
 import com.slightech.mynteye.Device;
 import com.slightech.mynteye.DeviceUsbInfo;
+import com.slightech.mynteye.Frame;
+import com.slightech.mynteye.MotionData;
+import com.slightech.mynteye.Stream;
+import com.slightech.mynteye.StreamData;
+import com.slightech.mynteye.StreamRequest;
 import com.slightech.mynteye.demo.R;
+import com.slightech.mynteye.demo.camera.Mynteye;
 import com.slightech.mynteye.demo.util.RootUtils;
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.Locale;
+import timber.log.Timber;
 
-public class MainActivity extends BaseActivity {
+public class MainActivity extends BaseActivity implements Mynteye.OnStreamDataReceiveListener,
+    Mynteye.OnMotionDataReceiveListener{
+
+  @BindView(R.id.text) TextView mTextView;
+  @BindView(R.id.image_left) ImageView mLeftImageView;
+  @BindView(R.id.image_right) ImageView mRightImageView;
+
+  private Mynteye mMynteye;
+  private Bitmap mLeftBitmap, mRightBitmap;
 
   @Override
   protected void onCreate(Bundle savedInstanceState) {
@@ -90,6 +112,83 @@ public class MainActivity extends BaseActivity {
   }
 
   private void openDevice(DeviceUsbInfo info) {
+    mMynteye = new Mynteye(info);
+    ArrayList<StreamRequest> requests = mMynteye.getStreamRequests();
+    if (requests.isEmpty()) {
+      alert("Warning", "There are no streams to request :(");
+    } else {
+      ArrayList<String> items = new ArrayList<>();
+      for (StreamRequest req : requests) {
+        items.add(req.toString());
+      }
+
+      AlertDialog dialog = new AlertDialog.Builder(this)
+          .setTitle("StreamRequests")
+          .create();
+      ListView listView = new ListView(this);
+      listView.setAdapter(new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, items));
+      listView.setOnItemClickListener((parent, view, position, id) -> {
+        dialog.dismiss();
+        mMynteye.setOnStreamDataReceiveListener(this);
+        mMynteye.setOnMotionDataReceiveListener(this);
+        mMynteye.open(requests.get(position));
+      });
+      dialog.setView(listView);
+      dialog.show();
+    }
+  }
+
+  @Override
+  public void onStreamDataReceive(Stream stream, StreamData data, Handler handler) {
+  }
+
+  @Override
+  public void onStreamLeftReceive(StreamData data, Handler handler) {
+    //Timber.i("onStreamLeftReceive");
+    Frame frame = data.frame();
+    if (mLeftBitmap == null) {
+      Bitmap.Config config;
+      switch (frame.format()) {
+        case GREY: config = Bitmap.Config.ALPHA_8; break;
+        case RGB888: config = Bitmap.Config.ARGB_8888; break;
+        default: Timber.e("Unaccepted stream format"); return;
+      }
+      mLeftBitmap = Bitmap.createBitmap(frame.width(), frame.height(), config);
+    }
+    mLeftBitmap.copyPixelsFromBuffer(ByteBuffer.wrap(frame.data()));
+    mLeftImageView.post(() -> mLeftImageView.setImageBitmap(mLeftBitmap));
+  }
+
+  @Override
+  public void onStreamRightReceive(StreamData data, Handler handler) {
+    //Timber.i("onStreamRightReceive");
+    Frame frame = data.frame();
+    if (mRightBitmap == null) {
+      Bitmap.Config config;
+      switch (frame.format()) {
+        case GREY: config = Bitmap.Config.ALPHA_8; break;
+        case RGB888: config = Bitmap.Config.ARGB_8888; break;
+        default: Timber.e("Unaccepted stream format"); return;
+      }
+      mRightBitmap = Bitmap.createBitmap(frame.width(), frame.height(), config);
+    }
+    mRightBitmap.copyPixelsFromBuffer(ByteBuffer.wrap(frame.data()));
+    mRightImageView.post(() -> mRightImageView.setImageBitmap(mRightBitmap));
+  }
+
+  @Override
+  public void onMotionDataReceive(ArrayList<MotionData> datas, Handler handler) {
+    if (datas.isEmpty()) return;
+    mTextView.post(() -> mTextView.setText(datas.get(0).imu().toString()));
+  }
+
+  @Override
+  protected void onDestroy() {
+    if (mMynteye != null) {
+      mMynteye.close();
+      mMynteye = null;
+    }
+    super.onDestroy();
   }
 
   private void toast(CharSequence text) {

wrappers/android/mynteye/app/src/main/res/layout/activity_main.xml

@@ -12,11 +12,35 @@
       android:id="@+id/text"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
+      android:layout_marginEnd="8dp"
+      android:layout_marginStart="8dp"
       android:text="Hello World!"
-      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintBottom_toTopOf="@+id/image_left"
-      app:layout_constraintLeft_toLeftOf="parent"
+      app:layout_constraintEnd_toEndOf="parent"
-      app:layout_constraintRight_toRightOf="parent"
+      app:layout_constraintStart_toStartOf="parent"
       app:layout_constraintTop_toTopOf="parent"
       />
 
+  <ImageView
+      android:id="@+id/image_left"
+      android:layout_width="0dp"
+      android:layout_height="0dp"
+      app:layout_constraintBottom_toTopOf="@+id/image_right"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintStart_toStartOf="parent"
+      app:layout_constraintTop_toBottomOf="@id/text"
+      app:layout_constraintVertical_weight="1"
+      />
+
+  <ImageView
+      android:id="@+id/image_right"
+      android:layout_width="0dp"
+      android:layout_height="0dp"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintStart_toStartOf="parent"
+      app:layout_constraintTop_toBottomOf="@id/image_left"
+      app:layout_constraintVertical_weight="1"
+      />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

wrappers/android/mynteye/libmynteye/src/main/cpp/mynteye/cpp/device.hpp

@@ -47,8 +47,8 @@ public:
     /** Get the datas of stream */
     virtual std::vector<std::shared_ptr<::mynteye_jni::StreamData>> GetStreamDatas(::mynteye_jni::Stream stream) = 0;
 
-    /** Enable cache motion datas */
+    /** Enable cache motion datas until get them, otherwise using callback instead */
-    virtual void EnableCacheMotionDatas(int32_t max_size) = 0;
+    virtual void EnableMotionDatas(int32_t max_size) = 0;
 
     /** Get the motion datas */
     virtual std::vector<std::shared_ptr<::mynteye_jni::MotionData>> GetMotionDatas() = 0;

wrappers/android/mynteye/libmynteye/src/main/cpp/mynteye/impl/device_impl.cpp

@@ -81,30 +81,43 @@ void DeviceImpl::ConfigStreamRequest(
 }
 
 void DeviceImpl::Start(::mynteye_jni::Source source) {
+  device_->Start(from_jni(source));
 }
 
 void DeviceImpl::Stop(::mynteye_jni::Source source) {
+  device_->Stop(from_jni(source));
 }
 
 void DeviceImpl::WaitForStreams() {
+  device_->WaitForStreams();
 }
 
 std::shared_ptr<::mynteye_jni::StreamData> DeviceImpl::GetStreamData(
     ::mynteye_jni::Stream stream) {
-  return nullptr;
+  auto&& data = device_->GetStreamData(from_jni(stream));
+  return std::make_shared<StreamDataImpl>(data);
 }
 
 std::vector<std::shared_ptr<::mynteye_jni::StreamData>>
 DeviceImpl::GetStreamDatas(::mynteye_jni::Stream stream) {
-  return {};
+  std::vector<std::shared_ptr<::mynteye_jni::StreamData>> datas;
+  for (auto&& data : device_->GetStreamDatas(from_jni(stream))) {
+    datas.push_back(std::make_shared<StreamDataImpl>(data));
+  }
+  return datas;
 }
 
-void DeviceImpl::EnableCacheMotionDatas(int32_t max_size) {
+void DeviceImpl::EnableMotionDatas(int32_t max_size) {
+  device_->EnableMotionDatas(max_size);
 }
 
 std::vector<std::shared_ptr<::mynteye_jni::MotionData>>
 DeviceImpl::GetMotionDatas() {
-  return {};
+  std::vector<std::shared_ptr<::mynteye_jni::MotionData>> datas;
+  for (auto&& data : device_->GetMotionDatas()) {
+    datas.push_back(std::make_shared<MotionDataImpl>(data));
+  }
+  return datas;
 }
 
 }  // namespace mynteye_jni

wrappers/android/mynteye/libmynteye/src/main/cpp/mynteye/impl/device_impl.hpp

@@ -37,8 +37,8 @@ class DeviceImpl : public Device {
   /** Get the datas of stream */
   std::vector<std::shared_ptr<::mynteye_jni::StreamData>> GetStreamDatas(::mynteye_jni::Stream stream) override;
 
-  /** Enable cache motion datas */
+    /** Enable cache motion datas until get them, otherwise using callback instead */
-  void EnableCacheMotionDatas(int32_t max_size) override;
+  void EnableMotionDatas(int32_t max_size) override;
 
   /** Get the motion datas */
   std::vector<std::shared_ptr<::mynteye_jni::MotionData>> GetMotionDatas() override;

wrappers/android/mynteye/libmynteye/src/main/cpp/mynteye/impl/motion_data_impl.hpp

@@ -9,13 +9,13 @@ namespace mynteye_jni {
 
 class MotionDataImpl : public MotionData {
  public:
-  using motion_data_t = std::shared_ptr<MYNTEYE_NAMESPACE::device::MotionData>;
+  using motion_data_t = MYNTEYE_NAMESPACE::device::MotionData;
 
   explicit MotionDataImpl(const motion_data_t& data) : data_(data) {}
   ~MotionDataImpl() {}
 
   ImuData Imu() override {
-    auto&& imu = data_->imu;
+    auto&& imu = data_.imu;
     return {
       imu->frame_id,
       imu->flag,

wrappers/android/mynteye/libmynteye/src/main/cpp/mynteye/impl/stream_data_impl.hpp

@@ -10,13 +10,13 @@ namespace mynteye_jni {
 
 class StreamDataImpl : public StreamData {
  public:
-  using stream_data_t = std::shared_ptr<MYNTEYE_NAMESPACE::device::StreamData>;
+  using stream_data_t = MYNTEYE_NAMESPACE::device::StreamData;
 
   explicit StreamDataImpl(const stream_data_t& data) : data_(data) {}
   ~StreamDataImpl() {}
 
   ImgData Img() override {
-    auto&& img = data_->img;
+    auto&& img = data_.img;
     return {
       img->frame_id,
       static_cast<int64_t>(img->timestamp),
@@ -25,11 +25,11 @@ class StreamDataImpl : public StreamData {
   }
 
   std::shared_ptr<::mynteye_jni::Frame> Frame() override {
-    return std::make_shared<::mynteye_jni::FrameImpl>(data_->frame);
+    return std::make_shared<::mynteye_jni::FrameImpl>(data_.frame);
   }
 
   int64_t FrameId() override {
-    return data_->frame_id;
+    return data_.frame_id;
   }
 
  private:

wrappers/android/mynteye/libmynteye/src/main/cpp/mynteye/jni/NativeDevice.cpp

@@ -109,12 +109,12 @@ CJNIEXPORT jobject JNICALL Java_com_slightech_mynteye_Device_00024CppProxy_nativ
     } JNI_TRANSLATE_EXCEPTIONS_RETURN(jniEnv, 0 /* value doesn't matter */)
 }
 
-CJNIEXPORT void JNICALL Java_com_slightech_mynteye_Device_00024CppProxy_native_1enableCacheMotionDatas(JNIEnv* jniEnv, jobject /*this*/, jlong nativeRef, jint j_maxSize)
+CJNIEXPORT void JNICALL Java_com_slightech_mynteye_Device_00024CppProxy_native_1enableMotionDatas(JNIEnv* jniEnv, jobject /*this*/, jlong nativeRef, jint j_maxSize)
 {
     try {
         DJINNI_FUNCTION_PROLOGUE1(jniEnv, nativeRef);
         const auto& ref = ::djinni::objectFromHandleAddress<::mynteye_jni::Device>(nativeRef);
-        ref->EnableCacheMotionDatas(::djinni::I32::toCpp(jniEnv, j_maxSize));
+        ref->EnableMotionDatas(::djinni::I32::toCpp(jniEnv, j_maxSize));
     } JNI_TRANSLATE_EXCEPTIONS_RETURN(jniEnv, )
 }
 

wrappers/android/mynteye/libmynteye/src/main/java/com/slightech/mynteye/Device.java

@@ -34,8 +34,8 @@ public interface Device {
     @NonNull
     public ArrayList<com.slightech.mynteye.StreamData> getStreamDatas(@NonNull com.slightech.mynteye.Stream stream);
 
-    /** Enable cache motion datas */
+    /** Enable cache motion datas until get them, otherwise using callback instead */
-    public void enableCacheMotionDatas(int maxSize);
+    public void enableMotionDatas(int maxSize);
 
     /** Get the motion datas */
     @NonNull
@@ -135,12 +135,12 @@ public interface Device {
         private native ArrayList<com.slightech.mynteye.StreamData> native_getStreamDatas(long _nativeRef, com.slightech.mynteye.Stream stream);
 
         @Override
-        public void enableCacheMotionDatas(int maxSize)
+        public void enableMotionDatas(int maxSize)
         {
             assert !this.destroyed.get() : "trying to use a destroyed object";
-            native_enableCacheMotionDatas(this.nativeRef, maxSize);
+            native_enableMotionDatas(this.nativeRef, maxSize);
         }
-        private native void native_enableCacheMotionDatas(long _nativeRef, int maxSize);
+        private native void native_enableMotionDatas(long _nativeRef, int maxSize);
 
         @Override
         public ArrayList<com.slightech.mynteye.MotionData> getMotionDatas()

wrappers/android/mynteye/scripts/mynteye.djinni

@@ -26,8 +26,8 @@ device = interface +c {
   # Get the datas of stream
   get_stream_datas(stream: stream): list<stream_data>;
 
-  # Enable cache motion datas
+  # Enable cache motion datas until get them, otherwise using callback instead
-  enable_cache_motion_datas(max_size: i32);
+  enable_motion_datas(max_size: i32);
   # Get the motion datas
   get_motion_datas(): list<motion_data>;
 }