mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 20:21:24 +00:00
gst/playback/gstplaybin.c: On the fly visualisation switch, works disabling, enabling as well but it won't be able to...
Original commit message from CVS: 2006-01-26 Julien MOUTTE <julien@moutte.net> * gst/playback/gstplaybin.c: (gst_play_bin_init), (gst_play_bin_dispose), (gst_play_bin_vis_unblocked), (gst_play_bin_vis_blocked), (gst_play_bin_set_property): On the fly visualisation switch, works disabling, enabling as well but it won't be able to enable vis in a playbin that was created with no visualisation.
This commit is contained in:
Julien Moutte
parent
ccd05fa086
commit
6819972f0d
2 changed files with 187 additions and 7 deletions
|
|
@ -1,3 +1,12 @@
|
|||
2006-01-26 Julien MOUTTE <julien@moutte.net>
|
||||
|
||||
* gst/playback/gstplaybin.c: (gst_play_bin_init),
|
||||
(gst_play_bin_dispose), (gst_play_bin_vis_unblocked),
|
||||
(gst_play_bin_vis_blocked), (gst_play_bin_set_property):
|
||||
On the fly visualisation switch, works disabling, enabling as
|
||||
well but it won't be able to enable vis in a playbin that was
|
||||
created with no visualisation.
|
||||
|
||||
2006-01-25 Wim Taymans <wim@fluendo.com>
|
||||
|
||||
* gst-libs/gst/audio/gstbaseaudiosink.c:
|
||||
|
|
|
|||
|
|
@ -65,6 +65,7 @@ struct _GstPlayBin
|
|||
GstElement *audio_sink;
|
||||
GstElement *video_sink;
|
||||
GstElement *visualisation;
|
||||
GstElement *pending_visualisation;
|
||||
GstElement *volume_element;
|
||||
GstElement *textoverlay_element;
|
||||
gfloat volume;
|
||||
|
|
@ -220,6 +221,7 @@ gst_play_bin_init (GstPlayBin * play_bin)
|
|||
play_bin->video_sink = NULL;
|
||||
play_bin->audio_sink = NULL;
|
||||
play_bin->visualisation = NULL;
|
||||
play_bin->pending_visualisation = NULL;
|
||||
play_bin->volume_element = NULL;
|
||||
play_bin->textoverlay_element = NULL;
|
||||
play_bin->volume = 1.0;
|
||||
|
|
@ -258,12 +260,126 @@ gst_play_bin_dispose (GObject * object)
|
|||
gst_object_unref (play_bin->visualisation);
|
||||
play_bin->visualisation = NULL;
|
||||
}
|
||||
if (play_bin->pending_visualisation != NULL) {
|
||||
gst_element_set_state (play_bin->pending_visualisation, GST_STATE_NULL);
|
||||
gst_object_unref (play_bin->pending_visualisation);
|
||||
play_bin->pending_visualisation = NULL;
|
||||
}
|
||||
g_free (play_bin->font_desc);
|
||||
play_bin->font_desc = NULL;
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->dispose (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_play_bin_vis_unblocked (GstPad * tee_pad, gboolean blocked,
|
||||
gpointer user_data)
|
||||
{
|
||||
/* Unblocked */
|
||||
}
|
||||
|
||||
static void
|
||||
gst_play_bin_vis_blocked (GstPad * tee_pad, gboolean blocked,
|
||||
gpointer user_data)
|
||||
{
|
||||
GstPlayBin *play_bin = GST_PLAY_BIN (user_data);
|
||||
GstBin *vis_bin = NULL;
|
||||
GstPad *vis_sink_pad = NULL, *vis_src_pad = NULL, *vqueue_pad = NULL;
|
||||
GstState bin_state;
|
||||
|
||||
/* We want to disable visualisation */
|
||||
if (!GST_IS_ELEMENT (play_bin->pending_visualisation)) {
|
||||
/* Set visualisation element to READY */
|
||||
gst_element_set_state (play_bin->visualisation, GST_STATE_READY);
|
||||
goto beach;
|
||||
}
|
||||
|
||||
vis_bin =
|
||||
GST_BIN (gst_object_get_parent (GST_OBJECT (play_bin->visualisation)));
|
||||
|
||||
if (!GST_IS_BIN (vis_bin) || !GST_IS_PAD (tee_pad)) {
|
||||
goto beach;
|
||||
}
|
||||
|
||||
vis_src_pad = gst_element_get_pad (play_bin->visualisation, "src");
|
||||
vis_sink_pad = gst_pad_get_peer (tee_pad);
|
||||
|
||||
/* Can be fakesink */
|
||||
if (GST_IS_PAD (vis_src_pad)) {
|
||||
vqueue_pad = gst_pad_get_peer (vis_src_pad);
|
||||
}
|
||||
|
||||
if (!GST_IS_PAD (vis_sink_pad)) {
|
||||
goto beach;
|
||||
}
|
||||
|
||||
/* Check the bin's state */
|
||||
GST_OBJECT_LOCK (vis_bin);
|
||||
bin_state = GST_STATE (vis_bin);
|
||||
GST_OBJECT_UNLOCK (vis_bin);
|
||||
|
||||
/* Unlink */
|
||||
gst_pad_unlink (tee_pad, vis_sink_pad);
|
||||
gst_object_unref (vis_sink_pad);
|
||||
vis_sink_pad = NULL;
|
||||
|
||||
if (GST_IS_PAD (vqueue_pad)) {
|
||||
gst_pad_unlink (vis_src_pad, vqueue_pad);
|
||||
gst_object_unref (vis_src_pad);
|
||||
vis_src_pad = NULL;
|
||||
}
|
||||
|
||||
/* Remove from vis_bin */
|
||||
gst_bin_remove (vis_bin, play_bin->visualisation);
|
||||
/* Set state to NULL */
|
||||
gst_element_set_state (play_bin->visualisation, GST_STATE_NULL);
|
||||
/* And loose our ref */
|
||||
gst_object_unref (play_bin->visualisation);
|
||||
|
||||
if (play_bin->pending_visualisation) {
|
||||
/* Ref this new visualisation element before adding to the bin */
|
||||
gst_object_ref (play_bin->pending_visualisation);
|
||||
/* Add the new one */
|
||||
gst_bin_add (vis_bin, play_bin->pending_visualisation);
|
||||
/* Synchronizing state */
|
||||
gst_element_set_state (play_bin->pending_visualisation, bin_state);
|
||||
|
||||
vis_sink_pad = gst_element_get_pad (play_bin->pending_visualisation,
|
||||
"sink");
|
||||
vis_src_pad = gst_element_get_pad (play_bin->pending_visualisation, "src");
|
||||
|
||||
if (!GST_IS_PAD (vis_sink_pad) || !GST_IS_PAD (vis_src_pad)) {
|
||||
goto beach;
|
||||
}
|
||||
|
||||
/* Link */
|
||||
gst_pad_link (tee_pad, vis_sink_pad);
|
||||
gst_pad_link (vis_src_pad, vqueue_pad);
|
||||
}
|
||||
|
||||
/* We are done */
|
||||
gst_object_unref (play_bin->visualisation);
|
||||
play_bin->visualisation = play_bin->pending_visualisation;
|
||||
play_bin->pending_visualisation = NULL;
|
||||
|
||||
beach:
|
||||
if (vis_sink_pad) {
|
||||
gst_object_unref (vis_sink_pad);
|
||||
}
|
||||
if (vis_src_pad) {
|
||||
gst_object_unref (vis_src_pad);
|
||||
}
|
||||
if (vqueue_pad) {
|
||||
gst_object_unref (vqueue_pad);
|
||||
}
|
||||
if (vis_bin) {
|
||||
gst_object_unref (vis_bin);
|
||||
}
|
||||
|
||||
/* Unblock the pad */
|
||||
gst_pad_set_blocked_async (tee_pad, FALSE, gst_play_bin_vis_unblocked,
|
||||
play_bin);
|
||||
}
|
||||
|
||||
static void
|
||||
gst_play_bin_set_property (GObject * object, guint prop_id,
|
||||
|
|
@ -302,15 +418,70 @@ gst_play_bin_set_property (GObject * object, guint prop_id,
|
|||
g_hash_table_remove (play_bin->cache, "abin");
|
||||
break;
|
||||
case ARG_VIS_PLUGIN:
|
||||
if (play_bin->visualisation != NULL) {
|
||||
gst_object_unref (play_bin->visualisation);
|
||||
}
|
||||
play_bin->visualisation = g_value_get_object (value);
|
||||
if (play_bin->visualisation != NULL) {
|
||||
gst_object_ref (play_bin->visualisation);
|
||||
gst_object_sink (GST_OBJECT (play_bin->visualisation));
|
||||
{
|
||||
/* Do we already have a visualisation change pending ? */
|
||||
if (play_bin->pending_visualisation) {
|
||||
gst_object_unref (play_bin->pending_visualisation);
|
||||
play_bin->pending_visualisation = g_value_get_object (value);
|
||||
/* Take ownership */
|
||||
if (play_bin->pending_visualisation) {
|
||||
gst_object_ref (play_bin->pending_visualisation);
|
||||
gst_object_sink (GST_OBJECT (play_bin->pending_visualisation));
|
||||
}
|
||||
} else {
|
||||
play_bin->pending_visualisation = g_value_get_object (value);
|
||||
|
||||
/* Take ownership */
|
||||
if (play_bin->pending_visualisation) {
|
||||
gst_object_ref (play_bin->pending_visualisation);
|
||||
gst_object_sink (GST_OBJECT (play_bin->pending_visualisation));
|
||||
}
|
||||
|
||||
/* Was there a visualisation already set ? */
|
||||
if (play_bin->visualisation != NULL) {
|
||||
GstBin *vis_bin = NULL;
|
||||
|
||||
vis_bin =
|
||||
GST_BIN (gst_object_get_parent (GST_OBJECT (play_bin->
|
||||
visualisation)));
|
||||
|
||||
/* Check if the visualisation is already in a bin */
|
||||
if (GST_IS_BIN (vis_bin)) {
|
||||
GstPad *vis_sink_pad = NULL, *tee_pad = NULL;
|
||||
|
||||
/* Now get tee pad and block it async */
|
||||
vis_sink_pad = gst_element_get_pad (play_bin->visualisation,
|
||||
"sink");
|
||||
if (!GST_IS_PAD (vis_sink_pad)) {
|
||||
goto beach;
|
||||
}
|
||||
tee_pad = gst_pad_get_peer (vis_sink_pad);
|
||||
if (!GST_IS_PAD (tee_pad)) {
|
||||
goto beach;
|
||||
}
|
||||
|
||||
/* Block with callback */
|
||||
gst_pad_set_blocked_async (tee_pad, TRUE, gst_play_bin_vis_blocked,
|
||||
play_bin);
|
||||
beach:
|
||||
if (vis_sink_pad) {
|
||||
gst_object_unref (vis_sink_pad);
|
||||
}
|
||||
if (tee_pad) {
|
||||
gst_object_unref (tee_pad);
|
||||
}
|
||||
gst_object_unref (vis_bin);
|
||||
} else {
|
||||
play_bin->visualisation = play_bin->pending_visualisation;
|
||||
play_bin->pending_visualisation = NULL;
|
||||
}
|
||||
} else {
|
||||
play_bin->visualisation = play_bin->pending_visualisation;
|
||||
play_bin->pending_visualisation = NULL;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
case ARG_VOLUME:
|
||||
play_bin->volume = g_value_get_double (value);
|
||||
if (play_bin->volume_element) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue