[cheese] Minimal functionality based on camerabin2

[David King <davidk src gnome org>]

commit 4b4ef05d5a9b1b4a9c79e1bfb1ee5335b5804273
Author: Raluca Elena Podiuc <ralucaelena1985 gmail com>
Date:   Tue Jul 12 19:49:33 2011 +0300

    Minimal functionality based on camerabin2
    
    These are the minimal changes needed to integrate camerabin2.
    
    Support for:
    - viewfinder (Cheese's main window)
    - effect previews
    
    Porting details:
    - obviously, the name has changed to camerabin2
    - Camerabin2 requires something special from it's "camera-source".
    
      We use the "wrappercamerabinsrc" module provided by camerabin2 which
      creates a "camera-source" suitable for camerabin2 based on a regular
      video source.

 libcheese/cheese-camera.c |   39 +++++++++++++++++++++++++++------------
 1 files changed, 27 insertions(+), 12 deletions(-)
---
diff --git a/libcheese/cheese-camera.c b/libcheese/cheese-camera.c
index af073f3..14e05e3 100644
--- a/libcheese/cheese-camera.c
+++ b/libcheese/cheese-camera.c
@@ -81,6 +81,7 @@ struct _CheeseCameraPrivate
   GstElement *effects_preview_bin;
 
   GstElement *video_source;
+  GstElement *camera_source;
   GstElement *video_file_sink;
   GstElement *audio_source;
   GstElement *audio_enc;
@@ -234,7 +235,7 @@ cheese_camera_bus_message_cb (GstBus *bus, GstMessage *message, CheeseCamera *ca
     }
     case GST_MESSAGE_STATE_CHANGED:
     {
-      if (strcmp (GST_MESSAGE_SRC_NAME (message), "camerabin") == 0)
+      if (strcmp (GST_MESSAGE_SRC_NAME (message), "camerabin2") == 0)
       {
         GstState old, new;
         gst_message_parse_state_changed (message, &old, &new, NULL);
@@ -248,7 +249,7 @@ cheese_camera_bus_message_cb (GstBus *bus, GstMessage *message, CheeseCamera *ca
       const GstStructure *structure;
       GstBuffer *buffer;
       const GValue *image;
-      if (strcmp (GST_MESSAGE_SRC_NAME (message), "camerabin") == 0)
+      if (strcmp (GST_MESSAGE_SRC_NAME (message), "camerabin2") == 0)
       {
         structure = gst_message_get_structure (message);
         if (strcmp (gst_structure_get_name (structure), "preview-image") == 0)
@@ -401,7 +402,7 @@ cheese_camera_set_camera_source (CheeseCamera *camera)
   priv->video_source = gst_parse_bin_from_description (camera_input, TRUE, &err);
   g_free (camera_input);
 
-  if (priv->video_source == NULL)
+  if (priv->video_source == NULL || priv->camera_source == NULL)
   {
     if (err != NULL)
     {
@@ -410,7 +411,7 @@ cheese_camera_set_camera_source (CheeseCamera *camera)
     }
     return FALSE;
   }
-  g_object_set (priv->camerabin, "video-source", priv->video_source, NULL);
+  g_object_set (priv->camera_source, "video-source", priv->video_source, NULL);
 
   return TRUE;
 }
@@ -452,7 +453,8 @@ cheese_camera_set_video_recording (CheeseCamera *camera, GError **error)
     cheese_camera_set_error_element_not_found (error, "vp8enc");
     return;
   }
-  g_object_set (priv->camerabin, "video-encoder", video_enc, NULL);
+  //raluca:TODO: camerabin2 does not have 'video-encoder'
+  //g_object_set (priv->camerabin, "video-encoder", video_enc, NULL);
   /* Use a preset, or set some reasonable defaults. */
   if (!gst_preset_load_preset (GST_PRESET (video_enc), "Profile Realtime"))
   {
@@ -464,7 +466,11 @@ cheese_camera_set_video_recording (CheeseCamera *camera, GError **error)
     cheese_camera_set_error_element_not_found (error, "webmmux");
     return;
   }
-  g_object_set (priv->camerabin, "video-muxer", mux, NULL);
+  //raluca:TODO: camerabin2 does not have 'video-muxer'
+  //g_object_set (priv->camerabin, "video-muxer", mux, NULL);
+  g_object_set (G_OBJECT (mux),
+                "max-delay", (guint64) 10000000,
+                "max-page-delay", (guint64) 10000000, NULL);
 }
 
 /*
@@ -1401,6 +1407,8 @@ cheese_camera_init (CheeseCamera *camera)
   priv->photo_handler_signal_id = 0;
   priv->current_format          = NULL;
   priv->monitor                 = NULL;
+  priv->camera_source           = NULL;
+  priv->video_source            = NULL;
 }
 
 /**
@@ -1516,13 +1524,15 @@ cheese_camera_setup (CheeseCamera *camera, const gchar *uuid, GError **error)
   }
 
 
-  if ((priv->camerabin = gst_element_factory_make ("camerabin", "camerabin")) == NULL)
+  if ((priv->camerabin = gst_element_factory_make ("camerabin2", "camerabin2")) == NULL)
   {
-    cheese_camera_set_error_element_not_found (error, "camerabin");
-    return;
+    cheese_camera_set_error_element_not_found (error, "camerabin2");
+  }
+  if ((priv->camera_source = gst_element_factory_make ("wrappercamerabinsrc", "camera_source")) == NULL)
+  {
+    cheese_camera_set_error_element_not_found (error, "wrappercamerabinsrc");
   }
-  g_object_set (priv->camerabin, "video-capture-height", 0,
-                "video-capture-width", 0, NULL);
+  g_object_set (priv->camerabin, "camera-source", priv->camera_source, NULL);
 
   /* Create a clutter-gst sink and set it as camerabin sink*/
 
@@ -1550,7 +1560,12 @@ cheese_camera_setup (CheeseCamera *camera, const gchar *uuid, GError **error)
     GST_WARNING ("%s", (*error)->message);
     return;
   }
-  g_object_set (G_OBJECT (priv->camerabin), "video-source-filter", priv->video_filter_bin, NULL);
+
+  //raluca: TODO: set video-filter, preview-filter, image-filter?
+  g_object_set (G_OBJECT (priv->camerabin), "viewfinder-filter", priv->video_filter_bin, NULL);
+  //g_object_set (G_OBJECT (priv->camerabin), "video-filter", priv->video_filter_bin, NULL);
+  //g_object_set (G_OBJECT (priv->camerabin), "preview-filter", priv->video_filter_bin, NULL);
+  //g_object_set (G_OBJECT (priv->camerabin), "image-filter", priv->video_filter_bin, NULL);
 
   priv->bus = gst_element_get_bus (priv->camerabin);
   gst_bus_add_signal_watch (priv->bus);