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audiorate: 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 20:54:32 +01:00
parent 82d2669f4f
commit 4482cacb24
1 changed files with 32 additions and 9 deletions
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41
gst/audiorate/gstaudiorate.c
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@ -126,6 +126,9 @@ static GstElementClass *parent_class = NULL;
/*static guint gst_audio_rate_signals[LAST_SIGNAL] = { 0 }; */
static GParamSpec *pspec_drop = NULL;
static GParamSpec *pspec_add = NULL;
static GType
gst_audio_rate_get_type (void)
{
@ -185,12 +188,12 @@ gst_audio_rate_class_init (GstAudioRateClass * klass)
g_object_class_install_property (object_class, ARG_OUT,
g_param_spec_uint64 ("out", "Out", "Number of output samples", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class, ARG_ADD,
g_param_spec_uint64 ("add", "Add", "Number of added samples", 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 samples", 0,
G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
pspec_add = g_param_spec_uint64 ("add", "Add", "Number of added samples",
0, G_MAXUINT64, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, ARG_ADD, pspec_add);
pspec_drop = g_param_spec_uint64 ("drop", "Drop", "Number of dropped samples",
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,
@ -493,6 +496,26 @@ gst_audio_rate_convert_segments (GstAudioRate * audiorate)
return TRUE;
}
static void
gst_audio_rate_notify_drop (GstAudioRate * audiorate)
{
#if !GLIB_CHECK_VERSION(2,26,0)
g_object_notify ((GObject *) audiorate, "drop");
#else
g_object_notify_by_pspec ((GObject *) audiorate, pspec_drop);
#endif
}
static void
gst_audio_rate_notify_add (GstAudioRate * audiorate)
{
#if !GLIB_CHECK_VERSION(2,26,0)
g_object_notify ((GObject *) audiorate, "add");
#else
g_object_notify_by_pspec ((GObject *) audiorate, pspec_add);
#endif
}
static GstFlowReturn
gst_audio_rate_chain (GstPad * pad, GstBuffer * buf)
{
@ -628,7 +651,7 @@ gst_audio_rate_chain (GstPad * pad, GstBuffer * buf)
audiorate->add += cursamples;
if (!audiorate->silent)
g_object_notify (G_OBJECT (audiorate), "add");
gst_audio_rate_notify_add (audiorate);
}
} else if (in_offset < audiorate->next_offset) {
@ -646,7 +669,7 @@ gst_audio_rate_chain (GstPad * pad, GstBuffer * buf)
buf = NULL;
if (!audiorate->silent)
g_object_notify (G_OBJECT (audiorate), "drop");
gst_audio_rate_notify_drop (audiorate);
goto beach;
} else {
@ -671,7 +694,7 @@ gst_audio_rate_chain (GstPad * pad, GstBuffer * buf)
truncsamples);
if (!audiorate->silent)
g_object_notify (G_OBJECT (audiorate), "drop");
gst_audio_rate_notify_drop (audiorate);
}
}