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videorate: use g_object_notify_by_pspec() if possible

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Use g_object_notify_by_pspec() when building against GLib >= 2.26.
This avoids the pspec lookup which takes the global paramspec pool lock.
This commit is contained in:
Tim-Philipp Müller 2010-10-07 20:37:10 +01:00
parent 6d8cb1f42d
commit 82d2669f4f
1 changed files with 37 additions and 14 deletions
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51
gst/videorate/gstvideorate.c
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@ -132,6 +132,9 @@ static GstStateChangeReturn gst_video_rate_change_state (GstElement * element,
/*static guint gst_video_rate_signals[LAST_SIGNAL] = { 0 }; */
static GParamSpec *pspec_drop = NULL;
static GParamSpec *pspec_duplicate = NULL;
GST_BOILERPLATE (GstVideoRate, gst_video_rate, GstElement, GST_TYPE_ELEMENT);
static void
@ -168,13 +171,13 @@ gst_video_rate_class_init (GstVideoRateClass * klass)
g_object_class_install_property (object_class, ARG_OUT,
g_param_spec_uint64 ("out", "Out", "Number of output frames", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, ARG_DUP,
g_param_spec_uint64 ("duplicate", "Duplicate",
"Number of duplicated frames", 0, G_MAXUINT64, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, ARG_DROP,
g_param_spec_uint64 ("drop", "Drop", "Number of dropped frames", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
pspec_duplicate = g_param_spec_uint64 ("duplicate", "Duplicate",
"Number of duplicated frames", 0, G_MAXUINT64, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, ARG_DUP, pspec_duplicate);
pspec_drop = g_param_spec_uint64 ("drop", "Drop", "Number of dropped frames",
0, G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, ARG_DROP, pspec_drop);
g_object_class_install_property (object_class, ARG_SILENT,
g_param_spec_boolean ("silent", "silent",
"Don't emit notify for dropped and duplicated frames", DEFAULT_SILENT,
@ -512,6 +515,26 @@ gst_video_rate_swap_prev (GstVideoRate * videorate, GstBuffer * buffer,
videorate->prev_ts = time;
}
static void
gst_video_rate_notify_drop (GstVideoRate * videorate)
{
#if !GLIB_CHECK_VERSION(2,26,0)
g_object_notify ((GObject *) videorate, "drop");
#else
g_object_notify_by_pspec ((GObject *) videorate, pspec_drop);
#endif
}
static void
gst_video_rate_notify_duplicate (GstVideoRate * videorate)
{
#if !GLIB_CHECK_VERSION(2,26,0)
g_object_notify ((GObject *) videorate, "duplicate");
#else
g_object_notify_by_pspec ((GObject *) videorate, pspec_duplicate);
#endif
}
#define MAGIC_LIMIT 25
static gboolean
gst_video_rate_event (GstPad * pad, GstEvent * event)
@ -557,11 +580,11 @@ gst_video_rate_event (GstPad * pad, GstEvent * event)
if (count > 1) {
videorate->dup += count - 1;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "duplicate");
gst_video_rate_notify_duplicate (videorate);
} else if (count == 0) {
videorate->drop++;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "drop");
gst_video_rate_notify_drop (videorate);
}
/* clean up for the new one; _chain will resume from the new start */
videorate->segment_out = 0;
@ -617,11 +640,11 @@ gst_video_rate_event (GstPad * pad, GstEvent * event)
if (count > 1) {
videorate->dup += count - 1;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "duplicate");
gst_video_rate_notify_duplicate (videorate);
} else if (count == 0) {
videorate->drop++;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "drop");
gst_video_rate_notify_drop (videorate);
}
break;
@ -792,7 +815,7 @@ gst_video_rate_chain (GstPad * pad, GstBuffer * buffer)
GST_TIME_ARGS (intime), GST_TIME_ARGS (prevtime));
videorate->drop++;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "drop");
gst_video_rate_notify_drop (videorate);
gst_buffer_unref (buffer);
goto done;
}
@ -836,14 +859,14 @@ gst_video_rate_chain (GstPad * pad, GstBuffer * buffer)
if (count > 1) {
videorate->dup += count - 1;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "duplicate");
gst_video_rate_notify_duplicate (videorate);
}
/* if we didn't output the first buffer, we have a drop */
else if (count == 0) {
videorate->drop++;
if (!videorate->silent)
g_object_notify (G_OBJECT (videorate), "drop");
gst_video_rate_notify_drop (videorate);
GST_LOG_OBJECT (videorate,
"new is best, old never used, drop, outgoing ts %"