Add als-meter-demo

Add new application what we showed in als2017.
Run in renesas m3ulcb, show camera video by logitech cr920.
Display someinformation get from agl-service-steering-wheel as a meter.
Already do some test on Daring Dab 4.0.0.
[PatchSet2]
Add [QMAKE_CXXFLAGS += -mfp16-format=ieee] for raspberrypi3 build error.
[PatchSet3]
Add determine statements in app.pro for raspberrypi3.

Change-Id: I68f44eac6533567055e1c20d0b5f929242c2f082
Signed-off-by: zheng_wenlong <wenlong_zheng@nexty-ele.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/app/camera.h b/app/camera.h
new file mode 100644
index 0000000..163f82e
--- /dev/null
+++ b/app/camera.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef CAMERA_H
+#define CAMERA_H
+
+#include <QSize>
+#include <QTimer>
+#include <QImage>
+#include <QQuickPaintedItem>
+#include <opencv2/videoio.hpp>
+#include <iostream>
+#include <opencv2/core.hpp>
+#include <opencv2/imgcodecs.hpp>
+#include <opencv2/highgui.hpp>
+
+using namespace cv;
+using namespace std;
+
+static QVariantList cam_arr_bak;
+
+class Camera : public QQuickPaintedItem
+{
+    Q_OBJECT
+    Q_PROPERTY(bool isrunning READ isrunning NOTIFY isrunningChanged)
+public:
+    Camera();
+    ~Camera();
+    void paint(QPainter *painter);
+    bool isrunning() const;
+    Q_INVOKABLE QVariantList camranum() const;
+
+    Q_INVOKABLE void start(int no, int fps, QString res);
+    Q_INVOKABLE void stop();
+
+    Q_INVOKABLE void enumerateCameras();
+    Q_INVOKABLE int cameraCnt();
+
+signals:
+    void isrunningChanged(const bool& isrunning);
+    void camraCntChanged(const QVariantList& camcnt);
+
+public slots:
+    void grab();
+
+private:
+    bool running;
+    QImage image;
+    QTimer* timer;
+    cv::VideoCapture* capture;
+
+    QVariantList cam_arr;
+
+    int camnumbackup;
+    int camcnt;
+};
+
+#endif // CAMERA_H