summaryrefslogtreecommitdiffstats
path: root/gst-libs/gst
diff options
context:
space:
mode:
authorJulien Moutte <julien@moutte.net>2003-04-02 21:33:12 +0000
committerJulien Moutte <julien@moutte.net>2003-04-02 21:33:12 +0000
commitfc6d47a4c6b6b5e67bde16e2ac97041f5203a775 (patch)
tree1afb70857e4c1d495a1f0f16d54324b81539b122 /gst-libs/gst
parente71c9b9acab4b12044ba49dde24985ef19a95441 (diff)
downloadgst-plugins-bad-fc6d47a4c6b6b5e67bde16e2ac97041f5203a775.tar.gz
gst-plugins-bad-fc6d47a4c6b6b5e67bde16e2ac97041f5203a775.tar.bz2
gst-plugins-bad-fc6d47a4c6b6b5e67bde16e2ac97041f5203a775.zip
Incorporating visualisation in libgstplay adding have_vis_xid signal and a new type of GstPlay object (VIDEO_VISUALIS...
Original commit message from CVS: Incorporating visualisation in libgstplay adding have_vis_xid signal and a new type of GstPlay object (VIDEO_VISUALISATION)
Diffstat (limited to 'gst-libs/gst')
-rw-r--r--gst-libs/gst/play/play.old.c44
-rw-r--r--gst-libs/gst/play/play.old.h14
-rw-r--r--gst-libs/gst/play/playpipelines.c510
3 files changed, 567 insertions, 1 deletions
diff --git a/gst-libs/gst/play/play.old.c b/gst-libs/gst/play/play.old.c
index afef677f..88a370d5 100644
--- a/gst-libs/gst/play/play.old.c
+++ b/gst-libs/gst/play/play.old.c
@@ -31,6 +31,7 @@ enum {
STREAM_LENGTH,
TIME_TICK,
HAVE_XID,
+ HAVE_VIS_XID,
HAVE_VIDEO_SIZE,
LAST_SIGNAL,
};
@@ -315,6 +316,10 @@ gst_play_idle_signal (GstPlay *play)
g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_XID], 0,
signal->signal_data.video_xid.xid);
break;
+ case HAVE_VIS_XID:
+ g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIS_XID], 0,
+ signal->signal_data.video_xid.xid);
+ break;
case HAVE_VIDEO_SIZE:
g_signal_emit (G_OBJECT (play), gst_play_signals[HAVE_VIDEO_SIZE], 0,
signal->signal_data.video_size.width, signal->signal_data.video_size.height);
@@ -368,6 +373,22 @@ callback_video_have_xid ( GstElement *element,
}
static void
+callback_video_have_vis_xid ( GstElement *element,
+ gint xid,
+ GstPlay *play)
+{
+ GstPlaySignal *signal;
+
+ signal = g_new0(GstPlaySignal, 1);
+ signal->signal_id = HAVE_VIS_XID;
+ signal->signal_data.video_xid.xid = xid;
+
+ g_async_queue_push(play->signal_queue, signal);
+
+ play->idle_add_func ((GSourceFunc) gst_play_idle_signal, play);
+}
+
+static void
callback_video_have_size ( GstElement *element,
gint width,
gint height,
@@ -593,6 +614,16 @@ gst_play_class_init (GstPlayClass *klass)
gst_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
+
+ gst_play_signals [HAVE_VIS_XID] =
+ g_signal_new ("have_vis_xid",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GstPlayClass, have_vis_xid),
+ NULL, NULL,
+ gst_marshal_VOID__INT,
+ G_TYPE_NONE, 1,
+ G_TYPE_INT);
gst_play_signals [HAVE_VIDEO_SIZE] =
g_signal_new ("have_video_size",
@@ -709,11 +740,16 @@ gst_play_seek_to_time ( GstPlay *play,
void
gst_play_need_new_video_window (GstPlay *play)
{
+ g_return_if_fail (play != NULL);
g_return_if_fail (GST_IS_PLAY (play));
if (GST_IS_ELEMENT(play->video_sink_element)){
g_object_set( G_OBJECT(play->video_sink_element),
"need_new_window", TRUE, NULL);
}
+ if (GST_IS_ELEMENT(play->visualisation_sink_element)){
+ g_object_set( G_OBJECT(play->visualisation_sink_element),
+ "need_new_window", TRUE, NULL);
+ }
}
void
@@ -1144,6 +1180,14 @@ gst_play_new ( GstPlayPipeType pipe_type,
play->set_video_sink = gst_play_video_set_video;
play->set_audio_sink = gst_play_video_set_audio;
break;
+ case GST_PLAY_PIPE_VIDEO_VISUALISATION:
+ play->setup_pipeline = gst_play_video_vis_setup;
+ play->teardown_pipeline = NULL;
+ play->set_data_src = gst_play_video_set_data_src;
+ play->set_autoplugger = gst_play_video_set_auto;
+ play->set_video_sink = gst_play_video_vis_set_video;
+ play->set_audio_sink = gst_play_video_vis_set_audio;
+ break;
case GST_PLAY_PIPE_AUDIO:
/* we can reuse the threaded set functions */
play->setup_pipeline = gst_play_audio_setup;
diff --git a/gst-libs/gst/play/play.old.h b/gst-libs/gst/play/play.old.h
index 7603da7c..90f9a5ce 100644
--- a/gst-libs/gst/play/play.old.h
+++ b/gst-libs/gst/play/play.old.h
@@ -52,6 +52,7 @@ typedef enum {
GST_PLAY_PIPE_AUDIO_THREADED,
GST_PLAY_PIPE_AUDIO_HYPER_THREADED,
GST_PLAY_PIPE_VIDEO,
+ GST_PLAY_PIPE_VIDEO_VISUALISATION,
} GstPlayPipeType;
typedef enum {
@@ -151,6 +152,8 @@ struct _GstPlayClass
gint64 length_nanos);
void (*have_xid) ( GstPlay* play,
gint xid);
+ void (*have_vis_xid) ( GstPlay* play,
+ gint xid);
void (*have_video_size) ( GstPlay* play,
gint width,
gint height);
@@ -220,9 +223,20 @@ gboolean
gst_play_set_video_sink ( GstPlay *play,
GstElement *video_sink);
gboolean
+gst_play_set_visualisation_video_sink ( GstPlay *play,
+ GstElement *video_sink);
+gboolean
gst_play_set_audio_sink ( GstPlay *play,
GstElement *audio_sink);
+gboolean
+gst_play_set_visualisation_element ( GstPlay *play,
+ GstElement *element);
+
+gboolean
+gst_play_connect_visualisation ( GstPlay *play,
+ gboolean connect);
+
GType
gst_play_get_type (void);
diff --git a/gst-libs/gst/play/playpipelines.c b/gst-libs/gst/play/playpipelines.c
index 952ca8a7..163d1a2d 100644
--- a/gst-libs/gst/play/playpipelines.c
+++ b/gst-libs/gst/play/playpipelines.c
@@ -401,7 +401,7 @@ gst_play_audioht_set_auto ( GstPlay *play,
/*
* GST_PLAY_PIPE_VIDEO
- * { gnomevfssrc ! spider ! { queue ! volume ! osssink }
+ * { gnomevfssrc ! spider ! { queue ! volume ! (audiosink) }
* spider0.src2 ! { queue ! colorspace ! (videosink) } }
*/
@@ -571,6 +571,7 @@ gst_play_video_set_auto ( GstPlay *play,
GstElement *audio_bin, *video_bin, *work_thread;
+ g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
g_return_val_if_fail (GST_IS_ELEMENT (autoplugger), FALSE);
@@ -683,5 +684,512 @@ gst_play_video_set_audio ( GstPlay *play,
return TRUE;
}
+/*
+ * GST_PLAY_PIPE_VIDEO_VISUALISATION
+ * { gnomevfssrc ! spider ! { queue ! volume ! (audiosink) }
+ * spider0.src2 ! { queue ! colorspace ! (videosink) } }
+ */
+
+static gboolean
+gst_play_video_vis_setup ( GstPlay *play,
+ GError **error)
+{
+
+ GstElement *work_thread, *tee_element;
+ GstPad *tee_vis_pad, *tee_audio_pad, *vis_video_thread_pad;
+ GstElement *vis_audio_thread, *vis_video_thread;
+ GstElement *vis_audio_queue, *vis_video_queue;
+ GstElement *vis_colorspace, *vis_audio_sink, *vis_video_sink;
+ GstElement *video_queue, *video_bin, *colorspace;
+
+ g_return_val_if_fail (play != NULL, FALSE);
+ g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
+
+ /* creating pipeline */
+ play->pipeline = gst_pipeline_new ("main_pipeline");
+ g_return_val_if_fail (GST_IS_PIPELINE (play->pipeline), FALSE);
+
+ /* creating work thread */
+ work_thread = gst_thread_new ("work_thread");
+ g_return_val_if_fail (GST_IS_THREAD (work_thread), FALSE);
+ g_hash_table_insert(play->other_elements, "work_thread", work_thread);
+
+ gst_bin_add (GST_BIN (play->pipeline), work_thread);
+
+ /* create source element */
+ play->source = gst_element_factory_make ("gnomevfssrc", "source");
+ if (!play->source)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_GNOMEVFSSRC, error);
+ return FALSE;
+ }
+ gst_bin_add (GST_BIN (work_thread), play->source);
+
+ /* BEGIN VIS STUFF */
+
+ /* Creating here the audio vis bin */
+
+ play->audio_sink = gst_element_factory_make ( "bin", "audio_bin");
+ if (!play->audio_sink)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
+ return FALSE;
+ }
+ g_hash_table_insert( play->other_elements,
+ "audio_bin",
+ play->audio_sink);
+
+ play->volume = gst_element_factory_make ("volume", "audio_volume");
+ if (!play->volume)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_VOLUME, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "audio_volume",
+ play->volume);
+
+ tee_element = gst_element_factory_make ("tee", "audio_tee");
+ g_return_val_if_fail(GST_IS_ELEMENT(tee_element), FALSE);
+ g_hash_table_insert( play->other_elements,
+ "vis_tee",
+ play->audio_sink);
+
+ tee_vis_pad = gst_element_get_request_pad (tee_element, "src%d");
+ tee_audio_pad = gst_element_get_request_pad (tee_element, "src%d");
+ g_hash_table_insert( play->other_elements,
+ "tee_vis_pad",
+ tee_vis_pad);
+ g_hash_table_insert( play->other_elements,
+ "tee_audio_pad",
+ tee_audio_pad);
+
+ gst_bin_add_many ( GST_BIN (play->audio_sink),
+ play->volume, tee_element, NULL);
+ gst_element_link_many (play->volume, tee_element, NULL);
+ gst_element_add_ghost_pad ( play->audio_sink,
+ gst_element_get_pad (play->volume, "sink"),
+ "sink");
+
+ /* Creating audio part of the visualisation bin
+ { queue ! volume ! (audiosink) }
+ */
+
+ vis_audio_thread = gst_thread_new ("vis_audio_thread");
+ if (!vis_audio_thread)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
+ return FALSE;
+ }
+ g_hash_table_insert( play->other_elements,
+ "vis_audio_thread",
+ vis_audio_thread);
+
+ vis_audio_queue = gst_element_factory_make ("queue", "vis_audio_queue");
+ if (!vis_audio_queue)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "vis_audio_queue",
+ vis_audio_queue);
+
+ vis_audio_sink = gst_element_factory_make ("fakesink", "vis_audio_sink");
+ if (!vis_audio_sink)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "vis_audio_sink",
+ vis_audio_sink);
+ play->audio_sink_element = NULL;
+
+ gst_bin_add_many ( GST_BIN (vis_audio_thread), vis_audio_queue,
+ vis_audio_sink, NULL);
+
+ gst_element_link_many ( vis_audio_queue, vis_audio_sink, NULL);
+
+ /* setting up iterate functions */
+ gst_bin_set_pre_iterate_function (
+ GST_BIN (vis_audio_thread),
+ (GstBinPrePostIterateFunction) callback_bin_pre_iterate,
+ play->audio_bin_mutex);
+ gst_bin_set_post_iterate_function (
+ GST_BIN (vis_audio_thread),
+ (GstBinPrePostIterateFunction) callback_bin_post_iterate,
+ play->audio_bin_mutex);
+
+ gst_bin_add ( GST_BIN(play->audio_sink), vis_audio_thread);
+
+ gst_pad_link ( tee_audio_pad,
+ gst_element_add_ghost_pad (
+ vis_audio_thread,
+ gst_element_get_pad (vis_audio_queue, "sink"),
+ "sink"));
+
+ /* Creating video part of the visualisation bin
+ { queue ! (visualisation) ! colorspace ! (videosink) }
+ */
+
+ vis_video_thread = gst_thread_new ("vis_video_thread");
+ if (!vis_video_thread)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "vis_video_thread",
+ vis_video_thread);
+
+ vis_video_queue = gst_element_factory_make ("queue", "vis_video_queue");
+ if (!vis_video_queue)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "vis_video_queue",
+ vis_video_queue);
+
+ vis_colorspace = gst_element_factory_make ("colorspace", "vis_colorspace");
+ if (!vis_colorspace)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "vis_colorspace",
+ vis_colorspace);
+
+ vis_video_sink = gst_element_factory_make ("fakesink", "vis_video_sink");
+ if (!vis_video_sink)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
+ return FALSE;
+ }
+ g_hash_table_insert ( play->other_elements,
+ "vis_video_sink",
+ vis_video_sink);
+ play->video_sink_element = NULL;
+
+ gst_bin_add_many ( GST_BIN (vis_video_thread), vis_video_queue,
+ vis_colorspace, vis_video_sink, NULL);
+
+ /* Not linking now as we miss too much stuff */
+
+ /* setting up iterate functions
+ gst_bin_set_pre_iterate_function (
+ GST_BIN (vis_video_thread),
+ (GstBinPrePostIterateFunction) callback_bin_pre_iterate,
+ play->video_bin_mutex);
+ gst_bin_set_post_iterate_function (
+ GST_BIN (vis_video_thread),
+ (GstBinPrePostIterateFunction) callback_bin_post_iterate,
+ play->video_bin_mutex);*/
+
+ vis_video_thread_pad = gst_element_add_ghost_pad (
+ vis_video_thread,
+ gst_element_get_pad (vis_video_queue, "sink"),
+ "sink");
+
+ g_hash_table_insert( play->other_elements,
+ "vis_video_thread_pad",
+ vis_video_thread_pad);
+
+ gst_bin_add (GST_BIN(play->audio_sink), vis_video_thread);
+
+ /* END VIS STUFF */
+
+ gst_bin_add (GST_BIN (work_thread), play->audio_sink);
+
+ /* create video elements */
+ play->video_sink = gst_element_factory_make ("fakesink", "fake_show");
+ if (!play->video_sink)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_FAKESINK, error);
+ return FALSE;
+ }
+ play->video_sink_element = NULL;
+
+ video_queue = gst_element_factory_make ("queue", "video_queue");
+ if (!video_queue)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_QUEUE, error);
+ return FALSE;
+ }
+ g_hash_table_insert (play->other_elements, "video_queue", video_queue);
+
+ colorspace = gst_element_factory_make ("colorspace", "colorspace");
+ if (!colorspace)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_COLORSPACE, error);
+ return FALSE;
+ }
+ g_hash_table_insert (play->other_elements, "colorspace", colorspace);
+
+ video_bin = gst_thread_new ("video_thread");
+ if (!video_bin)
+ {
+ gst_play_error_plugin (GST_PLAY_ERROR_THREAD, error);
+ return FALSE;
+ }
+ g_hash_table_insert (play->other_elements, "video_bin", video_bin);
+
+ /* adding all that stuff to bin */
+ gst_bin_add_many (GST_BIN (video_bin), video_queue, colorspace,
+ play->video_sink, NULL);
+
+ gst_element_link_many (video_queue, colorspace,
+ play->video_sink, NULL);
+
+ /* setting up iterate functions
+ gst_bin_set_pre_iterate_function (
+ GST_BIN (video_bin),
+ (GstBinPrePostIterateFunction) callback_bin_pre_iterate,
+ play->video_bin_mutex);
+ gst_bin_set_post_iterate_function (
+ GST_BIN (video_bin),
+ (GstBinPrePostIterateFunction) callback_bin_post_iterate,
+ play->video_bin_mutex);*/
+
+ gst_element_add_ghost_pad (
+ video_bin, gst_element_get_pad (video_queue, "sink"),
+ "sink");
+
+ gst_bin_add (GST_BIN (work_thread), video_bin);
+
+ return TRUE;
+}
+
+static gboolean
+gst_play_video_vis_set_audio ( GstPlay *play,
+ GstElement *audio_sink)
+{
+ GstElement *audio_bin, *vis_audio_sink, *vis_audio_queue;
+
+ g_return_val_if_fail (play != NULL, FALSE);
+ g_return_val_if_fail (audio_sink != NULL, FALSE);
+ g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
+ g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
+
+ audio_bin = g_hash_table_lookup ( play->other_elements,
+ "vis_audio_thread");
+ vis_audio_sink = g_hash_table_lookup ( play->other_elements,
+ "vis_audio_sink");
+ vis_audio_queue = g_hash_table_lookup ( play->other_elements,
+ "vis_audio_queue");
+
+ if (vis_audio_sink)
+ {
+ gst_element_unlink (vis_audio_queue, vis_audio_sink);
+ gst_bin_remove (GST_BIN (audio_bin), vis_audio_sink);
+ }
+
+ gst_bin_add (GST_BIN (audio_bin), audio_sink);
+ gst_element_link (vis_audio_queue, audio_sink);
+
+ g_hash_table_replace( play->other_elements,
+ "vis_audio_sink",
+ audio_sink);
+
+ play->audio_sink_element = gst_play_get_sink_element (
+ play,
+ audio_sink,
+ GST_PLAY_SINK_TYPE_AUDIO);
+
+ if (play->audio_sink_element != NULL) {
+ g_signal_connect (G_OBJECT (play->audio_sink_element), "eos",
+ G_CALLBACK (callback_audio_sink_eos), play);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_play_video_vis_set_video ( GstPlay *play,
+ GstElement *video_sink)
+{
+ GstElement *video_mate, *video_bin;
+
+ g_return_val_if_fail (play != NULL, FALSE);
+ g_return_val_if_fail (video_sink != NULL, FALSE);
+ g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
+ g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
+
+ video_bin = g_hash_table_lookup(play->other_elements, "video_bin");
+ video_mate = g_hash_table_lookup(play->other_elements, "colorspace");
+
+ if (play->video_sink) {
+ gst_element_unlink (video_mate, play->video_sink);
+ gst_bin_remove (GST_BIN (video_bin), play->video_sink);
+ }
+ play->video_sink = video_sink;
+ gst_bin_add (GST_BIN (video_bin), play->video_sink);
+ gst_element_link (video_mate, play->video_sink);
+
+ play->video_sink_element = gst_play_get_sink_element (
+ play,
+ video_sink,
+ GST_PLAY_SINK_TYPE_VIDEO);
+
+ if (play->video_sink_element != NULL) {
+ g_signal_connect ( G_OBJECT (play->video_sink_element),
+ "have_xid",
+ G_CALLBACK (callback_video_have_xid),
+ play);
+ g_signal_connect ( G_OBJECT (play->video_sink_element),
+ "have_size",
+ G_CALLBACK (callback_video_have_size),
+ play);
+ g_object_set( G_OBJECT(play->video_sink_element),
+ "need_new_window",
+ TRUE,
+ "toplevel",
+ FALSE, NULL);
+ }
+ return TRUE;
+}
+
+/**
+ * gst_play_set_visualisation_video_sink:
+ * @play: a #GstPlay.
+ * @video_sink: a #GstElement.
+ *
+ * Set @video_sink as the visualisation video sink element of @play.
+ *
+ * Returns: TRUE if call succeeded.
+ */
+gboolean
+gst_play_set_visualisation_video_sink ( GstPlay *play,
+ GstElement *video_sink)
+{
+ GstElement *video_mate, *video_bin, *vis_video_sink;
+
+ g_return_val_if_fail (play != NULL, FALSE);
+ g_return_val_if_fail (video_sink != NULL, FALSE);
+ g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
+ g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
+
+ video_bin = g_hash_table_lookup(play->other_elements, "vis_video_thread");
+ video_mate = g_hash_table_lookup(play->other_elements, "vis_colorspace");
+ vis_video_sink = g_hash_table_lookup( play->other_elements,
+ "vis_video_sink");
+
+ if (vis_video_sink) {
+ gst_element_unlink (video_mate, vis_video_sink);
+ gst_bin_remove (GST_BIN (video_bin), vis_video_sink);
+ }
+
+ gst_bin_add (GST_BIN (video_bin), video_sink);
+ gst_element_link (video_mate, video_sink);
+
+ g_hash_table_replace( play->other_elements,
+ "vis_video_sink",
+ video_sink);
+
+ play->visualisation_sink_element = gst_play_get_sink_element (
+ play,
+ video_sink,
+ GST_PLAY_SINK_TYPE_VIDEO);
+
+ if (play->visualisation_sink_element != NULL) {
+ g_signal_connect ( G_OBJECT (play->visualisation_sink_element),
+ "have_xid",
+ G_CALLBACK (callback_video_have_vis_xid),
+ play);
+ /*g_signal_connect ( G_OBJECT (play->visualisation_sink_element),
+ "have_size",
+ G_CALLBACK (callback_video_have_vis_size),
+ play);*/
+ g_object_set( G_OBJECT(play->visualisation_sink_element),
+ "need_new_window",
+ TRUE,
+ "toplevel",
+ FALSE, NULL);
+ }
+ return TRUE;
+}
+
+/**
+ * gst_play_set_visualisation_element:
+ * @play: a #GstPlay.
+ * @element: a #GstElement.
+ *
+ * Set @video_sink as the video sink element of @play.
+ *
+ * Returns: TRUE if call succeeded.
+ */
+gboolean
+gst_play_set_visualisation_element ( GstPlay *play,
+ GstElement *element)
+{
+ GstElement *video_queue, *video_colorspace;
+ GstElement *vis_element, *vis_video_bin;
+
+ g_return_val_if_fail (play != NULL, FALSE);
+ g_return_val_if_fail (element != NULL, FALSE);
+ g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
+ g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
+
+ vis_video_bin = g_hash_table_lookup ( play->other_elements,
+ "vis_video_thread");
+ video_queue = g_hash_table_lookup ( play->other_elements,
+ "vis_video_queue");
+ video_colorspace = g_hash_table_lookup ( play->other_elements,
+ "vis_colorspace");
+ vis_element = g_hash_table_lookup ( play->other_elements,
+ "vis_element");
+ if (vis_element) {
+ gst_element_unlink (video_queue, vis_element);
+ gst_element_unlink (vis_element, video_colorspace);
+ gst_bin_remove (GST_BIN (vis_video_bin), vis_element);
+ }
+
+ gst_bin_add (GST_BIN (vis_video_bin), element);
+ gst_element_link_many (video_queue, element, video_colorspace, NULL);
+
+ g_hash_table_replace( play->other_elements,
+ "vis_element",
+ element);
+
+ return TRUE;
+}
+
+/**
+ * gst_play_connect_visualisation:
+ * @play: a #GstPlay.
+ * @connect: a #gboolean indicating wether or not
+ * visualisation should be connected.
+ *
+ * Connect or disconnect visualisation bin in @play.
+ *
+ * Returns: TRUE if call succeeded.
+ */
+gboolean
+gst_play_connect_visualisation ( GstPlay *play,
+ gboolean connect)
+{
+ GstPad *tee_vis_pad, *vis_video_thread_pad;
+
+ g_return_val_if_fail (play != NULL, FALSE);
+ g_return_val_if_fail (GST_IS_PLAY(play), FALSE);
+
+ tee_vis_pad = g_hash_table_lookup( play->other_elements,
+ "tee_vis_pad");
+ vis_video_thread_pad = g_hash_table_lookup( play->other_elements,
+ "vis_video_thread_pad");
+
+ if (connect) {
+ gst_pad_link (tee_vis_pad, vis_video_thread_pad);
+ }
+ else {
+ gst_pad_unlink (tee_vis_pad, vis_video_thread_pad);
+ }
+
+ return TRUE;
+}
+
/* modelines */
/* vim:set ts=8:sw=8:noet */