[totem] backend: Add av-offset property

[Bastien Nocera <hadess src gnome org>]

commit 2b48197f095b973c00554778e5b312389a406c9f
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Jul 3 15:50:12 2012 +0100

    backend: Add av-offset property

 src/backend/bacon-video-widget-gst-0.10.c |   23 ++++++++++++++++++++++-
 1 files changed, 22 insertions(+), 1 deletions(-)
---
diff --git a/src/backend/bacon-video-widget-gst-0.10.c b/src/backend/bacon-video-widget-gst-0.10.c
index 67518af..b486225 100644
--- a/src/backend/bacon-video-widget-gst-0.10.c
+++ b/src/backend/bacon-video-widget-gst-0.10.c
@@ -153,7 +153,8 @@ enum
   PROP_CONTRAST,
   PROP_SATURATION,
   PROP_HUE,
-  PROP_AUDIO_OUTPUT_TYPE
+  PROP_AUDIO_OUTPUT_TYPE,
+  PROP_AV_OFFSET
 };
 
 static const gchar *video_props_str[4] = {
@@ -987,6 +988,20 @@ bacon_video_widget_class_init (BaconVideoWidgetClass * klass)
                                                       G_PARAM_READWRITE |
                                                       G_PARAM_STATIC_STRINGS));
 
+  /**
+   * BaconVideoWidget:av-offset:
+   *
+   * Control the synchronisation offset between the audio and video streams.
+   * Positive values make the audio ahead of the video and negative values
+   * make the audio go behind the video.
+   **/
+  g_object_class_install_property (object_class, PROP_AV_OFFSET,
+				   g_param_spec_int64 ("av-offset", "Audio/Video offset",
+						       "The synchronisation offset between audio and video in nanoseconds.",
+						       G_MININT64, G_MAXINT64,
+						       0, G_PARAM_READWRITE |
+						       G_PARAM_STATIC_STRINGS));
+
   /* Signals */
   /**
    * BaconVideoWidget::error:
@@ -2735,6 +2750,9 @@ bacon_video_widget_set_property (GObject * object, guint property_id,
     case PROP_AUDIO_OUTPUT_TYPE:
       bacon_video_widget_set_audio_output_type (bvw, g_value_get_enum (value));
       break;
+    case PROP_AV_OFFSET:
+      g_object_set_property (G_OBJECT (bvw->priv->play), "av-offset", value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;
@@ -2804,6 +2822,9 @@ bacon_video_widget_get_property (GObject * object, guint property_id,
     case PROP_AUDIO_OUTPUT_TYPE:
       g_value_set_enum (value, bacon_video_widget_get_audio_output_type (bvw));
       break;
+    case PROP_AV_OFFSET:
+      g_object_get_property (G_OBJECT (bvw->priv->play), "av-offset", value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
       break;