Move qt_cam_copy_register to QtCamera
[harmattan/cameraplus] / lib / qtcamdevice_p.h
index 2a3a70c..c8c09fb 100644 (file)
@@ -1,5 +1,25 @@
 // -*- c++ -*-
 
+/*!
+ * This file is part of CameraPlus.
+ *
+ * Copyright (C) 2012-2013 Mohammed Sameer <msameer@foolab.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
 #ifndef QT_CAM_DEVICE_P_H
 #define QT_CAM_DEVICE_P_H
 
 #include "qtcamconfig.h"
 #include "qtcamviewfinder.h"
 #include "qtcamdevice.h"
+#include "qtcammode.h"
 
 class QtCamGStreamerMessageListener;
 class QtCamMode;
 class QtCamImageMode;
 class QtCamVideoMode;
+class QtCamPropertySetter;
+class QtCamAnalysisBin;
 
 class QtCamDevicePrivate {
 public:
@@ -20,17 +43,20 @@ public:
     cameraBin(0),
     videoSource(0),
     wrapperVideoSource(0),
+    sink(0),
     image(0),
     video(0),
     active(0),
     viewfinder(0),
     conf(0),
-    error(false) {
+    error(false),
+    notifications(0),
+    viewfinderFilters(0) {
 
   }
 
   GstElement *createAndAddElement(const QString& elementName, const char *prop, const char *name) {
-    GstElement *elem = gst_element_factory_make(elementName.toAscii(), name);
+    GstElement *elem = gst_element_factory_make(elementName.toLatin1(), name);
     if (!elem) {
       qWarning() << "Failed to create" << elementName;
       return 0;
@@ -41,54 +67,57 @@ public:
     return elem;
   }
 
-  void createAndAddVideoSource() {
-    GstElement *src, *wrapper;
-    QString wrapperSrc = conf->wrapperVideoSource();
-    QString prop = conf->wrapperVideoSourceProperty();
-
-    if (!prop.isEmpty() && !wrapperSrc.isEmpty()) {
-      wrapper = gst_element_factory_make(wrapperSrc.toAscii(), "QCameraWrapperVideoSrc");
-      if (!wrapper) {
-       qCritical() << "Failed to create wrapper source" << wrapperSrc;
-       return;
-      }
-    }
+  void createAndAddVideoSourceAndWrapper() {
+    videoSource = gst_element_factory_make(conf->videoSource().toUtf8().constData(),
+                                          "QtCameraVideoSrc");
+    wrapperVideoSource = gst_element_factory_make(conf->wrapperVideoSource().toUtf8().constData(),
+                                                 "QCameraWrapperVideoSrc");
 
-    src = gst_element_factory_make(conf->videoSource().toAscii(),
-                                              "QtCameraVideoSrc");
-    if (!src) {
-      qCritical() << "Failed to create video source";
-      if (wrapper) {
-       gst_object_unref(wrapper);
-      }
-      return;
+    if (wrapperVideoSource && videoSource) {
+      g_object_set(wrapperVideoSource, conf->wrapperVideoSourceProperty().toUtf8().constData(),
+                  videoSource, NULL);
+      g_object_set(cameraBin, "camera-source", wrapperVideoSource, NULL);
     }
-
-    if (wrapper) {
-      g_object_set(wrapper, prop.toAscii(), src, NULL);
-      g_object_set(cameraBin, "camera-source", wrapper, NULL);
+    else if (wrapperVideoSource) {
+      qWarning() << "Failed to create video source";
+      g_object_set(cameraBin, "camera-source", wrapperVideoSource, NULL);
     }
+    else if (videoSource) {
+      qWarning() << "Failed to create wrapper source";
+      g_object_set(cameraBin, "camera-source", videoSource, NULL);
+    }
+    else {
+      qWarning() << "Failed to create both video and wrapper sources";
+    }
+  }
 
-    videoSource = src;
-    wrapperVideoSource = wrapper;
-
-    if (conf->deviceScannerType() == SCANNER_TYPE_ENUM) {
-      int dev = id.toInt();
-      g_object_set(src, conf->deviceScannerProperty().toAscii().data(), dev, NULL);
+  void createAndAddVideoSource() {
+    videoSource = gst_element_factory_make(conf->videoSource().toUtf8().constData(),
+                                          "QtCameraVideoSrc");
+    if (!videoSource) {
+      qCritical() << "Failed to create video source";
     }
     else {
-      QString dev = id.toString();
-      g_object_set(src, conf->deviceScannerProperty().toAscii().data(),
-                  dev.toAscii().data(), NULL);
+      g_object_set(cameraBin, "camera-source", videoSource, NULL);
     }
   }
 
-  bool setViewfinderSink() {
-    GstElement *sink;
-    g_object_get(cameraBin, "viewfinder-sink", &sink, NULL);
+  void setDevicePoperty() {
+    if (videoSource) {
+      if (conf->deviceScannerType() == SCANNER_TYPE_ENUM) {
+       int dev = id.toInt();
+       g_object_set(videoSource, conf->deviceScannerProperty().toLatin1().constData(), dev, NULL);
+      }
+      else {
+       QString dev = id.toString();
+       g_object_set(videoSource, conf->deviceScannerProperty().toLatin1().constData(),
+                    dev.toLatin1().constData(), NULL);
+      }
+    }
+  }
 
+  bool setViewfinderSink() {
     if (sink) {
-      gst_object_unref(sink);
       return true;
     }
 
@@ -108,6 +137,10 @@ public:
 
     QMetaObject::invokeMethod(q_ptr, "error", Q_ARG(QString, message),
                              Q_ARG(int, code), Q_ARG(QString, debug));
+
+    if (active) {
+      QMetaObject::invokeMethod(active, "canCaptureChanged", Qt::QueuedConnection);
+    }
   }
 
   void _d_stopped() {
@@ -137,7 +170,7 @@ public:
   void setAudioCaptureCaps() {
     QString captureCaps = conf->audioCaptureCaps();
     if (!captureCaps.isEmpty()) {
-      GstCaps *caps = gst_caps_from_string(captureCaps.toAscii().data());
+      GstCaps *caps = gst_caps_from_string(captureCaps.toLatin1().data());
       if (caps) {
        g_object_set(cameraBin, "audio-capture-caps", caps, NULL);
        gst_caps_unref(caps);
@@ -145,17 +178,34 @@ public:
     }
   }
 
-  bool isWrapperReady() {
-    if (!wrapperVideoSource) {
+  bool isReadyForCapture() {
+    GstElement *src = videoSource;
+    if (wrapperVideoSource) {
+      src = wrapperVideoSource;
+    }
+
+    if (!src) {
       return false;
     }
 
     gboolean ready = FALSE;
-    g_object_get(wrapperVideoSource, "ready-for-capture", &ready, NULL);
+    g_object_get(src, "ready-for-capture", &ready, NULL);
 
     return ready == TRUE;
   }
 
+  static void on_ready_for_capture_changed(GObject *obj, GParamSpec *pspec,
+                                          QtCamDevicePrivate *d)  {
+    Q_UNUSED(obj);
+    Q_UNUSED(pspec);
+
+    if (!d->active) {
+      return;
+    }
+
+    QMetaObject::invokeMethod(d->active, "canCaptureChanged", Qt::QueuedConnection);
+  }
+
   static void on_idle_changed(GObject *obj, GParamSpec *pspec, QtCamDevicePrivate *d) {
     Q_UNUSED(obj);
     Q_UNUSED(pspec);
@@ -172,6 +222,7 @@ public:
   GstElement *cameraBin;
   GstElement *videoSource;
   GstElement *wrapperVideoSource;
+  GstElement *sink;
 
   QtCamImageMode *image;
   QtCamVideoMode *video;
@@ -181,6 +232,9 @@ public:
   QtCamConfig *conf;
   QtCamGStreamerMessageListener *listener;
   bool error;
+  QtCamNotifications *notifications;
+  QtCamPropertySetter *propertySetter;
+  QtCamAnalysisBin *viewfinderFilters;
 };
 
 #endif /* QT_CAM_DEVICE_P_H */