examples: camerabin2: add format selection for camerabin2 example

Adds a combobox for selecting the video profile for recordings.
Useful for testing multiple formats a/v sync when recording.

tests/examples/camerabin2/Makefile.am

@@ -15,6 +15,7 @@ gst_camera2_LDADD   = \
         $(top_builddir)/gst-libs/gst/interfaces/libgstphotography-@GST_MAJORMINOR@.la \
         $(GST_PLUGINS_BASE_LIBS) \
         -lgstinterfaces-@GST_MAJORMINOR@ \
+	-lgstpbutils-@GST_MAJORMINOR@ \
         $(GST_LIBS) \
 	$(GTK_LIBS) \
 	$(GMODULE_EXPORT_LIBS)

tests/examples/camerabin2/gst-camera2.c

@@ -31,6 +31,9 @@
 
 #include "gst-camera2.h"
 
+#include <string.h>
+
+#include <gst/pbutils/encoding-profile.h>
 #include <gst/gst.h>
 #include <gst/interfaces/xoverlay.h>
 #include <gtk/gtk.h>
@@ -42,6 +45,77 @@
 static GstElement *camera;
 static GtkBuilder *builder;
 
+typedef struct
+{
+  const gchar *name;
+  GstEncodingProfile *(*create_profile) ();
+} GstCameraVideoFormat;
+
+static GstEncodingProfile *
+create_ogg_profile (void)
+{
+  GstEncodingContainerProfile *container;
+
+  container = gst_encoding_container_profile_new ("ogg", NULL,
+      gst_caps_new_simple ("application/ogg", NULL), NULL);
+
+  gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
+      gst_encoding_video_profile_new (gst_caps_new_simple ("video/theora",
+              NULL), NULL, NULL, 1));
+  gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
+      gst_encoding_audio_profile_new (gst_caps_new_simple ("audio/vorbis",
+              NULL), NULL, NULL, 1));
+
+  return (GstEncodingProfile *) container;
+}
+
+static GstEncodingProfile *
+create_webm_profile (void)
+{
+  GstEncodingContainerProfile *container;
+
+  container = gst_encoding_container_profile_new ("webm", NULL,
+      gst_caps_new_simple ("video/webm", NULL), NULL);
+
+  gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
+      gst_encoding_video_profile_new (gst_caps_new_simple ("video/x-vp8", NULL),
+          NULL, NULL, 1));
+  gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
+      gst_encoding_audio_profile_new (gst_caps_new_simple ("audio/vorbis",
+              NULL), NULL, NULL, 1));
+
+  return (GstEncodingProfile *) container;
+}
+
+static GstEncodingProfile *
+create_mp4_profile (void)
+{
+  GstEncodingContainerProfile *container;
+
+  container = gst_encoding_container_profile_new ("mp4", NULL,
+      gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING, "iso",
+          NULL), NULL);
+
+  gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
+      gst_encoding_video_profile_new (gst_caps_new_simple ("video/x-h264",
+              NULL), NULL, NULL, 1));
+  gst_encoding_container_profile_add_profile (container, (GstEncodingProfile *)
+      gst_encoding_audio_profile_new (gst_caps_new_simple ("audio/mpeg",
+              "version", G_TYPE_INT, 4, NULL), NULL, NULL, 1));
+
+  return (GstEncodingProfile *) container;
+}
+
+GstCameraVideoFormat formats[] = {
+  {"ogg (theora/vorbis)", create_ogg_profile}
+  ,
+  {"webm (vp8/vorbis)", create_webm_profile}
+  ,
+  {"mp4 (h264+aac)", create_mp4_profile}
+  ,
+  {NULL, NULL}
+};
+
 void
 on_mainWindow_delete_event (GtkWidget * widget, GdkEvent * event, gpointer data)
 {
@@ -84,6 +158,23 @@ on_viewfinderArea_realize (GtkWidget * widget, gpointer data)
 #endif
 }
 
+void
+on_formatComboBox_changed (GtkWidget * widget, gpointer data)
+{
+  GstEncodingProfile *profile = NULL;
+  gint index = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
+
+  if (formats[index].create_profile) {
+    profile = formats[index].create_profile ();
+  }
+
+  g_return_if_fail (profile != NULL);
+  gst_element_set_state (camera, GST_STATE_NULL);
+  g_object_set (camera, "video-profile", profile, NULL);
+  gst_element_set_state (camera, GST_STATE_PLAYING);
+  gst_encoding_profile_unref (profile);
+}
+
 static GstBusSyncReply
 bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data)
 {
@@ -152,6 +243,24 @@ bus_callback (GstBus * bus, GstMessage * message, gpointer data)
   return TRUE;
 }
 
+static void
+init_gtkwidgets_data (void)
+{
+  gint i;
+  GtkComboBoxText *combobox =
+      GTK_COMBO_BOX_TEXT (gtk_builder_get_object (builder, "formatComboBox"));
+
+  /* init formats combobox */
+  i = 0;
+  while (formats[i].name) {
+    gtk_combo_box_text_append_text (combobox, formats[i].name);
+    i++;
+  }
+
+  /* default to the first one -> ogg */
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combobox), 0);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -176,6 +285,8 @@ main (int argc, char *argv[])
   gst_bus_set_sync_handler (bus, bus_sync_callback, NULL);
   gst_object_unref (bus);
 
+  init_gtkwidgets_data ();
+
   ui_main_window = GTK_WIDGET (gtk_builder_get_object (builder, "mainWindow"));
   gtk_builder_connect_signals (builder, NULL);
   gtk_widget_show_all (ui_main_window);

tests/examples/camerabin2/gst-camera2.h

@@ -45,4 +45,7 @@ on_videoRButton_toggled (GtkToggleButton * button, gpointer user_data);
 void
 on_viewfinderArea_realize (GtkWidget * widget, gpointer data);
 
+void
+on_formatComboBox_changed (GtkWidget * widget, gpointer data);
+
 #endif /* __GST_CAMERA_BIN_H__ */

tests/examples/camerabin2/gst-camera2.ui

@@ -1,43 +1,53 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <requires lib="gtk+" version="2.16"/>
-  <!-- interface-naming-policy project-wide -->
   <object class="GtkWindow" id="mainWindow">
+    <property name="can_focus">False</property>
     <property name="default_width">800</property>
     <property name="default_height">600</property>
-    <signal name="delete_event" handler="on_mainWindow_delete_event"/>
+    <signal name="delete-event" handler="on_mainWindow_delete_event" swapped="no"/>
     <child>
       <object class="GtkVBox" id="vbox1">
         <property name="visible">True</property>
+        <property name="can_focus">False</property>
         <child>
           <object class="GtkHBox" id="hbox1">
             <property name="visible">True</property>
+            <property name="can_focus">False</property>
             <child>
               <object class="GtkRadioButton" id="imageRButton">
                 <property name="label" translatable="yes">Image</property>
+                <property name="use_action_appearance">False</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
+                <property name="use_action_appearance">False</property>
                 <property name="active">True</property>
                 <property name="draw_indicator">True</property>
-                <signal name="toggled" handler="on_imageRButton_toggled"/>
+                <signal name="toggled" handler="on_imageRButton_toggled" swapped="no"/>
               </object>
               <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
                 <property name="position">0</property>
               </packing>
             </child>
             <child>
               <object class="GtkRadioButton" id="videoRButton">
                 <property name="label" translatable="yes">Video</property>
+                <property name="use_action_appearance">False</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">False</property>
+                <property name="use_action_appearance">False</property>
                 <property name="active">True</property>
                 <property name="draw_indicator">True</property>
                 <property name="group">imageRButton</property>
-                <signal name="toggled" handler="on_videoRButton_toggled"/>
+                <signal name="toggled" handler="on_videoRButton_toggled" swapped="no"/>
               </object>
               <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
                 <property name="position">1</property>
               </packing>
             </child>
@@ -51,39 +61,44 @@
         <child>
           <object class="GtkHBox" id="hbox2">
             <property name="visible">True</property>
+            <property name="can_focus">False</property>
             <child>
               <object class="GtkDrawingArea" id="viewfinderArea">
                 <property name="visible">True</property>
-                <signal name="realize" handler="on_viewfinderArea_realize"/>
+                <property name="can_focus">False</property>
+                <signal name="realize" handler="on_viewfinderArea_realize" swapped="no"/>
               </object>
               <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
                 <property name="position">0</property>
               </packing>
             </child>
             <child>
               <object class="GtkVBox" id="vbox2">
                 <property name="visible">True</property>
+                <property name="can_focus">False</property>
                 <child>
-                  <object class="GtkButton" id="captureButton">
-                    <property name="label" translatable="yes">Capture</property>
+                  <object class="GtkLabel" id="label4">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="receives_default">True</property>
-                    <signal name="clicked" handler="on_captureButton_clicked"/>
+                    <property name="can_focus">False</property>
+                    <property name="label" translatable="yes">Actions</property>
                   </object>
                   <packing>
                     <property name="expand">False</property>
-                    <property name="fill">False</property>
+                    <property name="fill">True</property>
                     <property name="position">0</property>
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkButton" id="stopCaptureButton">
-                    <property name="label" translatable="yes">Stop Capture</property>
+                  <object class="GtkButton" id="captureButton">
+                    <property name="label" translatable="yes">Capture</property>
+                    <property name="use_action_appearance">False</property>
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
                     <property name="receives_default">True</property>
-                    <signal name="clicked" handler="on_stopCaptureButton_clicked"/>
+                    <property name="use_action_appearance">False</property>
+                    <signal name="clicked" handler="on_captureButton_clicked" swapped="no"/>
                   </object>
                   <packing>
                     <property name="expand">False</property>
@@ -91,6 +106,47 @@
                     <property name="position">1</property>
                   </packing>
                 </child>
+                <child>
+                  <object class="GtkButton" id="stopCaptureButton">
+                    <property name="label" translatable="yes">Stop Capture</property>
+                    <property name="use_action_appearance">False</property>
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <property name="use_action_appearance">False</property>
+                    <signal name="clicked" handler="on_stopCaptureButton_clicked" swapped="no"/>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">False</property>
+                    <property name="position">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label5">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label" translatable="yes">Video format</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="padding">5</property>
+                    <property name="position">3</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkComboBoxText" id="formatComboBox">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="changed" handler="on_formatComboBox_changed" swapped="no"/>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">4</property>
+                  </packing>
+                </child>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -100,6 +156,8 @@
             </child>
           </object>
           <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
             <property name="position">1</property>
           </packing>
         </child>