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authorSjoerd Simons <sjoerd.simons@collabora.co.uk>2009-05-07 22:17:50 +0800
committerGuillaume Desmottes <guillaume.desmottes@collabora.co.uk>2009-05-18 23:17:27 +0800
commita3e15eb1121dc577551934374fc5274aa49da607 (patch)
treee18bc8c5d6dee528e8d61639733353fa93c07c9e /libempathy/empathy-call-handler.c
parent047b8d63d8617109df8c9ba19e0f4373c535e5b8 (diff)
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Tweak the properties of various elements for a better voip experience
Diffstat (limited to 'libempathy/empathy-call-handler.c')
-rw-r--r--libempathy/empathy-call-handler.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/libempathy/empathy-call-handler.c b/libempathy/empathy-call-handler.c
index f6cea961a..336052654 100644
--- a/libempathy/empathy-call-handler.c
+++ b/libempathy/empathy-call-handler.c
@@ -27,6 +27,8 @@
#include <telepathy-farsight/channel.h>
#include <telepathy-farsight/stream.h>
+#include <gst/farsight/fs-element-added-notifier.h>
+
#include "empathy-call-handler.h"
#include "empathy-dispatcher.h"
#include "empathy-marshal.h"
@@ -59,6 +61,7 @@ typedef struct {
EmpathyTpCall *call;
EmpathyContact *contact;
TfChannel *tfchannel;
+ FsElementAddedNotifier *fsnotifier;
} EmpathyCallHandlerPriv;
#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCallHandler)
@@ -91,6 +94,12 @@ empathy_call_handler_dispose (GObject *object)
priv->call = NULL;
+ if (priv->fsnotifier != NULL)
+ {
+ g_object_unref (priv->fsnotifier);
+ }
+ priv->fsnotifier = NULL;
+
/* release any references held by the object here */
if (G_OBJECT_CLASS (empathy_call_handler_parent_class)->dispose)
G_OBJECT_CLASS (empathy_call_handler_parent_class)->dispose (object);
@@ -252,10 +261,49 @@ empathy_call_handler_bus_message (EmpathyCallHandler *handler,
}
static void
+conference_element_added (FsElementAddedNotifier *notifier,
+ GstBin *bin,
+ GstElement *element,
+ gpointer user_data)
+{
+ GstElementFactory *factory;
+ const gchar *name;
+
+ factory = gst_element_get_factory (element);
+ name = gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory));
+
+ if (!tp_strdiff (name, "x264enc"))
+ {
+ /* Ensure that the encoder creates the baseline profile */
+ g_object_set (element,
+ "byte-stream", TRUE,
+ "bframes", 0,
+ "b-adapt", FALSE,
+ "cabac", FALSE,
+ "dct8x8", FALSE,
+ NULL);
+ }
+ else if (!tp_strdiff (name, "gstrtpbin"))
+ {
+ /* Lower the jitterbuffer latency to make it more suitable for video
+ * conferencing */
+ g_object_set (element, "latency", 100, NULL);
+ }
+}
+
+static void
empathy_call_handler_tf_channel_session_created_cb (TfChannel *tfchannel,
FsConference *conference, FsParticipant *participant,
EmpathyCallHandler *self)
{
+ EmpathyCallHandlerPriv *priv = GET_PRIV (self);
+
+ priv->fsnotifier = fs_element_added_notifier_new ();
+ fs_element_added_notifier_add (priv->fsnotifier, GST_BIN (conference));
+
+ g_signal_connect (priv->fsnotifier, "element-added",
+ G_CALLBACK (conference_element_added), NULL);
+
g_signal_emit (G_OBJECT (self), signals[CONFERENCE_ADDED], 0,
GST_ELEMENT (conference));
}