static void
gst_auto_audio_sink_dispose (GstAutoAudioSink * sink)
{
gst_auto_audio_sink_clear_kid (sink);
if (sink->filter_caps)
gst_caps_unref (sink->filter_caps);
sink->filter_caps = NULL;
G_OBJECT_CLASS (parent_class)->dispose ((GObject *) sink);
}
static gboolean
gst_auto_audio_sink_detect (GstAutoAudioSink * sink)
{
GstElement *esink;
GstPad *targetpad;
gst_auto_audio_sink_clear_kid (sink);
/* find element */
GST_DEBUG_OBJECT (sink, "Creating new kid");
if (!(esink = gst_auto_audio_sink_find_best (sink)))
goto no_sink;
g_object_set (G_OBJECT (esink), "ts-offset", sink->ts_offset, NULL);
sink->kid = esink;
/* Ensure the child is brought up to the right state to match the parent
* although it's currently always in READY and
* we're always doing NULL->READY. */
if (GST_STATE (sink->kid) < GST_STATE (sink))
gst_element_set_state (sink->kid, GST_STATE (sink));
gst_bin_add (GST_BIN (sink), esink);
/* attach ghost pad */
GST_DEBUG_OBJECT (sink, "Re-assigning ghostpad");
targetpad = gst_element_get_static_pad (sink->kid, "sink");
if (!gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad))
goto target_failed;
gst_object_unref (targetpad);
GST_DEBUG_OBJECT (sink, "done changing auto audio sink");
return TRUE;
/* ERRORS */
no_sink:
{
GST_ELEMENT_ERROR (sink, LIBRARY, INIT, (NULL),
("Failed to find a supported audio sink"));
return FALSE;
}
target_failed:
{
GST_ELEMENT_ERROR (sink, LIBRARY, INIT, (NULL),
("Failed to set target pad"));
gst_object_unref (targetpad);
return FALSE;
}
}
/*
* Hack to make initial linking work; ideally, this'd work even when
* no target has been assigned to the ghostpad yet.
*/
static void
gst_auto_audio_sink_reset (GstAutoAudioSink * sink)
{
GstPad *targetpad;
gst_auto_audio_sink_clear_kid (sink);
/* fakesink placeholder */
sink->kid = gst_element_factory_make ("fakesink", "tempsink");
gst_bin_add (GST_BIN (sink), sink->kid);
/* pad */
targetpad = gst_element_get_static_pad (sink->kid, "sink");
gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad);
gst_object_unref (targetpad);
}
