From 3deb1fc8851eba97e8e936c12553049c5cfc419a Mon Sep 17 00:00:00 2001
From: Edward Hervey <edward.hervey@collabora.co.uk>
Date: Wed, 30 Sep 2009 16:44:12 +0200
Subject: [PATCH] GESTimelineFileSource: Add a 'mute' property.

This property deactivates the audio trackobjects if set to TRUE
---
 ges/ges-timeline-file-source.c | 52 ++++++++++++++++++++++++++++++++--
 ges/ges-timeline-file-source.h |  2 ++
 2 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/ges/ges-timeline-file-source.c b/ges/ges-timeline-file-source.c
index ed18df1c4e..a66937a5cc 100644
--- a/ges/ges-timeline-file-source.c
+++ b/ges/ges-timeline-file-source.c
@@ -28,9 +28,13 @@ G_DEFINE_TYPE (GESTimelineFileSource, ges_tl_filesource,
 enum
 {
   PROP_0,
-  PROP_URI
+  PROP_URI,
+  PROP_MUTE
 };
 
+static void
+ges_tl_filesource_set_mute (GESTimelineFileSource * self, gboolean mute);
+
 static GESTrackObject
     * ges_tl_filesource_create_track_object (GESTimelineObject * obj,
     GESTrack * track);
@@ -45,6 +49,9 @@ ges_tl_filesource_get_property (GObject * object, guint property_id,
     case PROP_URI:
       g_value_set_string (value, tfs->uri);
       break;
+    case PROP_MUTE:
+      g_value_set_boolean (value, tfs->mute);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
   }
@@ -60,6 +67,9 @@ ges_tl_filesource_set_property (GObject * object, guint property_id,
     case PROP_URI:
       tfs->uri = g_value_dup_string (value);
       break;
+    case PROP_MUTE:
+      ges_tl_filesource_set_mute (tfs, g_value_get_boolean (value));
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
   }
@@ -98,6 +108,15 @@ ges_tl_filesource_class_init (GESTimelineFileSourceClass * klass)
       g_param_spec_string ("uri", "URI", "uri of the resource",
           NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
 
+  /**
+   * GESTimelineFileSource:mute
+   *
+   * Whether the sound will be played or not.
+   */
+  g_object_class_install_property (object_class, PROP_MUTE,
+      g_param_spec_boolean ("mute", "Mute", "Mute audio track",
+          FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
   timobj_class->create_track_object = ges_tl_filesource_create_track_object;
   timobj_class->need_fill_track = FALSE;
 }
@@ -107,15 +126,42 @@ ges_tl_filesource_init (GESTimelineFileSource * self)
 {
 }
 
+static void
+ges_tl_filesource_set_mute (GESTimelineFileSource * self, gboolean mute)
+{
+  GList *tmp;
+  GESTimelineObject *object = (GESTimelineObject *) self;
+
+  GST_DEBUG ("self:%p, mute:%d", self, mute);
+
+  self->mute = mute;
+
+  /* Go over tracked objects, and update 'active' status on all audio objects */
+  for (tmp = object->trackobjects; tmp; tmp = tmp->next) {
+    GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
+
+    if (trackobject->track->type == GES_TRACK_TYPE_AUDIO)
+      ges_track_object_set_active (trackobject, mute);
+  }
+}
+
 static GESTrackObject *
 ges_tl_filesource_create_track_object (GESTimelineObject * obj,
     GESTrack * track)
 {
+  GESTimelineFileSource *tfs = (GESTimelineFileSource *) obj;
+  GESTrackObject *res;
+
   GST_DEBUG ("Creating a GESTrackFileSource");
 
   /* FIXME : Implement properly ! */
-  return (GESTrackObject *) ges_track_filesource_new (((GESTimelineFileSource *)
-          obj)->uri);
+  res = (GESTrackObject *) ges_track_filesource_new (tfs->uri);
+
+  /* If mute and track is audio, deactivate the track object */
+  if (track->type == GES_TRACK_TYPE_AUDIO)
+    ges_track_object_set_active (res, tfs->mute);
+
+  return res;
 }
 
 /**
diff --git a/ges/ges-timeline-file-source.h b/ges/ges-timeline-file-source.h
index 8ad6148104..82b5fa10a0 100644
--- a/ges/ges-timeline-file-source.h
+++ b/ges/ges-timeline-file-source.h
@@ -49,6 +49,8 @@ struct _GESTimelineFileSource {
 
   /*< private >*/
   gchar *uri;
+
+  gboolean mute;
 };
 
 struct _GESTimelineFileSourceClass {