summaryrefslogtreecommitdiffstats
path: root/gst-libs/gst/play
diff options
context:
space:
mode:
Diffstat (limited to 'gst-libs/gst/play')
-rw-r--r--gst-libs/gst/play/gstplay.c281
-rw-r--r--gst-libs/gst/play/play.c281
2 files changed, 296 insertions, 266 deletions
diff --git a/gst-libs/gst/play/gstplay.c b/gst-libs/gst/play/gstplay.c
index 871e74ab..c9d28d0e 100644
--- a/gst-libs/gst/play/gstplay.c
+++ b/gst-libs/gst/play/gstplay.c
@@ -44,6 +44,8 @@ struct _GstPlayPrivate {
guint tick_id;
guint length_id;
+
+ gulong handoff_hid;
};
static guint gst_play_signals[LAST_SIGNAL] = { 0 };
@@ -62,10 +64,13 @@ gst_play_pipeline_setup (GstPlay *play)
/* Threads */
GstElement *work_thread, *audio_thread, *video_thread;
/* Main Thread elements */
- GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *vis_element;
+ GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *identity;
+ GstElement *identity_cs;
+ /* Visualization bin */
+ GstElement *vis_bin, *vis_queue, *vis_element, *vis_cs;
/* Video Thread elements */
- GstElement *video_queue, *video_cs, *video_balance, *balance_cs;
- GstElement *video_scaler, *video_sink;
+ GstElement *video_queue, *video_switch, *video_cs, *video_balance;
+ GstElement *balance_cs, *video_scaler, *video_sink;
/* Audio Thread elements */
GstElement *audio_queue, *audio_sink;
/* Some useful pads */
@@ -74,8 +79,7 @@ gst_play_pipeline_setup (GstPlay *play)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- /* Creating main thread and its elements
- { fakesrc ! spider ! audioconvert ! volume ! tee } */
+ /* Creating main thread and its elements */
{
work_thread = gst_element_factory_make ("thread", "work_thread");
if (!GST_IS_ELEMENT (work_thread))
@@ -128,14 +132,62 @@ gst_play_pipeline_setup (GstPlay *play)
volume, tee, NULL);
gst_element_link_many (source, autoplugger,/* audioconvert,*/ volume, tee, NULL);
- /* Visualization element placeholder (note: it s not added to the pipeline
- yet) */
+ /* identity ! colorspace ! switch */
+ identity = gst_element_factory_make ("identity", "identity");
+ if (!GST_IS_ELEMENT (identity))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "identity", identity);
+
+ identity_cs = gst_element_factory_make ("ffcolorspace", "identity_cs");
+ if (!GST_IS_ELEMENT (identity_cs)) {
+ identity_cs = gst_element_factory_make ("colorspace", "identity_cs");
+ if (!GST_IS_ELEMENT (identity_cs))
+ return FALSE;
+ }
+
+ g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs);
+
+ gst_bin_add_many (GST_BIN (work_thread), identity, identity_cs, NULL);
+ gst_element_link_many (autoplugger, identity, identity_cs, NULL);
+ }
+
+ /* Visualization bin (note: it s not added to the pipeline yet) */
+ {
+ vis_bin = gst_bin_new ("vis_bin");
+ if (!GST_IS_ELEMENT (vis_bin))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "vis_bin", vis_bin);
+
+ /* Buffer queue for video data */
+ vis_queue = gst_element_factory_make ("queue", "vis_queue");
+ if (!GST_IS_ELEMENT (vis_queue))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "vis_queue", vis_queue);
+
+ /* Visualization element placeholder */
vis_element = gst_element_factory_make ("identity", "vis_element");
if (!GST_IS_ELEMENT (vis_element))
return FALSE;
g_hash_table_insert (play->priv->elements, "vis_element", vis_element);
+ /* Colorspace conversion */
+ vis_cs = gst_element_factory_make ("ffcolorspace", "vis_cs");
+ if (!GST_IS_ELEMENT (vis_cs)) {
+ vis_cs = gst_element_factory_make ("colorspace", "vis_cs");
+ if (!GST_IS_ELEMENT (vis_cs))
+ return FALSE;
+ }
+
+ g_hash_table_insert (play->priv->elements, "vis_cs", vis_cs);
+
+ gst_bin_add_many (GST_BIN (vis_bin), vis_queue, vis_element, vis_cs, NULL);
+ gst_element_link_many (vis_queue, vis_element, vis_cs, NULL);
+ gst_element_add_ghost_pad (vis_bin,
+ gst_element_get_pad (vis_cs, "src"), "src");
}
/* Creating our video output bin */
{
@@ -153,6 +205,12 @@ gst_play_pipeline_setup (GstPlay *play)
g_hash_table_insert (play->priv->elements, "video_queue", video_queue);
+ video_switch = gst_element_factory_make ("switch", "video_switch");
+ if (!GST_IS_ELEMENT (video_switch))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "video_switch", video_switch);
+
/* Colorspace conversion */
video_cs = gst_element_factory_make ("ffcolorspace", "video_cs");
if (!GST_IS_ELEMENT (video_cs)) {
@@ -196,14 +254,14 @@ gst_play_pipeline_setup (GstPlay *play)
g_hash_table_insert (play->priv->elements, "video_sink", video_sink);
- gst_bin_add_many (GST_BIN (video_thread), video_queue, video_cs,
+ gst_bin_add_many (GST_BIN (video_thread), video_queue, video_switch, video_cs,
video_balance, balance_cs, video_scaler, video_sink, NULL);
- gst_element_link_many (video_queue, video_cs, video_balance, balance_cs,
- video_scaler, video_sink, NULL);
+ gst_element_link_many (video_queue, video_switch, video_cs, video_balance,
+ balance_cs, video_scaler, video_sink, NULL);
gst_element_add_ghost_pad (video_thread,
gst_element_get_pad (video_queue, "sink"),
"sink");
- gst_element_link (autoplugger, video_thread);
+ gst_element_link (identity_cs, video_thread);
}
/* Creating our audio output bin
{ queue ! fakesink } */
@@ -365,6 +423,14 @@ gst_play_state_change (GstElement *element, GstElementState old,
GST_ELEMENT_CLASS (parent_class)->state_change (element, old, state);
}
+static void
+gst_play_identity_handoff (GstElement *identity, GstBuffer *buf, GstPlay *play)
+{
+ g_signal_handler_disconnect (G_OBJECT (identity), play->priv->handoff_hid);
+ play->priv->handoff_hid = 0;
+ gst_play_connect_visualization (play, FALSE);
+}
+
/* =========================================== */
/* */
/* Init & Dispose & Class init */
@@ -465,7 +531,7 @@ gboolean
gst_play_set_location (GstPlay *play, const char *location)
{
GstElement *work_thread, *source, *autoplugger;
- GstElement *audioconvert, *video_thread;
+ GstElement *audioconvert, *identity;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
@@ -490,14 +556,14 @@ gst_play_set_location (GstPlay *play, const char *location)
audioconvert = g_hash_table_lookup (play->priv->elements, "audioconvert");
if (!GST_IS_ELEMENT (audioconvert))
return FALSE;
- video_thread = g_hash_table_lookup (play->priv->elements, "video_thread");
- if (!GST_IS_ELEMENT (video_thread))
+ identity = g_hash_table_lookup (play->priv->elements, "identity");
+ if (!GST_IS_ELEMENT (identity))
return FALSE;
/* Spider can autoplugg only once. We remove the actual one and put a new
autoplugger */
gst_element_unlink (source, autoplugger);
- gst_element_unlink (autoplugger, video_thread);
+ gst_element_unlink (autoplugger, identity);
gst_element_unlink (autoplugger, audioconvert);
gst_bin_remove (GST_BIN (work_thread), autoplugger);
@@ -507,7 +573,7 @@ gst_play_set_location (GstPlay *play, const char *location)
gst_bin_add (GST_BIN (work_thread), autoplugger);
gst_element_link (source, autoplugger);
- gst_element_link (autoplugger, video_thread);
+ gst_element_link (autoplugger, identity);
gst_element_link (autoplugger, audioconvert);
g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger);
@@ -760,8 +826,7 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
gboolean
gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
{
- GstElement *work_thread, *old_vis_element, *video_thread;
- GstPad *tee_pad1;
+ GstElement *vis_bin, *vis_queue, *old_vis_element, *vis_cs;
gboolean was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
@@ -770,47 +835,30 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
g_return_val_if_fail (GST_IS_ELEMENT (vis_element), FALSE);
/* Getting needed objects */
- work_thread = g_hash_table_lookup (play->priv->elements, "work_thread");
- if (!GST_IS_ELEMENT (work_thread))
+ vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin");
+ if (!GST_IS_ELEMENT (vis_bin))
+ return FALSE;
+ vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue");
+ if (!GST_IS_ELEMENT (vis_queue))
return FALSE;
old_vis_element = g_hash_table_lookup (play->priv->elements,
"vis_element");
if (!GST_IS_ELEMENT (old_vis_element))
return FALSE;
- tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1");
- if (!GST_IS_PAD (tee_pad1))
- return FALSE;
- video_thread = g_hash_table_lookup (play->priv->elements, "video_thread");
- if (!GST_IS_ELEMENT (video_thread))
+ vis_cs = g_hash_table_lookup (play->priv->elements, "vis_cs");
+ if (!GST_IS_ELEMENT (vis_cs))
return FALSE;
- /* Let's check if the current vis element has a managing bin. If yes that
- means the element is inside the pipeline and need to be unlinked and
- removed. We also need to pause the pipeline if it is currently playing. */
- if (gst_element_get_managing_bin (old_vis_element)) {
- GstPad *vis_element_pad;
-
- /* We bring back the pipeline to PAUSED */
- if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
- was_playing = TRUE;
- }
-
- /* Unlinking, removing the old element then adding and linking the new one */
- vis_element_pad = gst_element_get_pad (old_vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_unlink (tee_pad1, vis_element_pad);
- gst_element_unlink (old_vis_element, video_thread);
- gst_bin_remove (GST_BIN (work_thread), old_vis_element);
- gst_bin_add (GST_BIN (work_thread), vis_element);
- vis_element_pad = gst_element_get_pad (vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_link (tee_pad1, vis_element_pad);
- gst_element_link (vis_element, video_thread);
- }
- else {
- gst_object_unref (GST_OBJECT (old_vis_element));
+ /* We bring back the pipeline to PAUSED */
+ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
+ was_playing = TRUE;
}
+
+ gst_element_unlink_many (vis_queue, old_vis_element, vis_cs, NULL);
+ gst_bin_remove (GST_BIN (vis_bin), old_vis_element);
+ gst_bin_add (GST_BIN (vis_bin), vis_element);
+ gst_element_link_many (vis_queue, vis_element, vis_cs, NULL);
g_hash_table_replace (play->priv->elements, "vis_element", vis_element);
@@ -833,121 +881,88 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
gboolean
gst_play_connect_visualization (GstPlay * play, gboolean connect)
{
- GstElement *work_thread, *vis_element, *autoplugger, *video_thread;
- GstElement *audioconvert, *source;
- GstPad *tee_pad1, *vis_element_pad;
+ GstElement *video_thread, *vis_queue, *vis_bin, *video_switch, *identity;
+ GstPad *tee_pad1, *vis_queue_pad, *vis_bin_pad, *switch_pad;
+ gboolean was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
/* Getting needed objects */
- work_thread = g_hash_table_lookup (play->priv->elements, "work_thread");
- if (!GST_IS_ELEMENT (work_thread))
- return FALSE;
- vis_element = g_hash_table_lookup (play->priv->elements, "vis_element");
- if (!GST_IS_ELEMENT (vis_element))
- return FALSE;
- tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1");
- if (!GST_IS_PAD (tee_pad1))
- return FALSE;
video_thread = g_hash_table_lookup (play->priv->elements, "video_thread");
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
- autoplugger = g_hash_table_lookup (play->priv->elements, "autoplugger");
- if (!GST_IS_ELEMENT (autoplugger))
+ vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin");
+ if (!GST_IS_ELEMENT (vis_bin))
return FALSE;
- source = g_hash_table_lookup (play->priv->elements, "source");
- if (!GST_IS_ELEMENT (source))
+ vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue");
+ if (!GST_IS_ELEMENT (vis_queue))
return FALSE;
- audioconvert = g_hash_table_lookup (play->priv->elements, "audioconvert");
- if (!GST_IS_ELEMENT (audioconvert))
+ video_switch = g_hash_table_lookup (play->priv->elements, "video_switch");
+ if (!GST_IS_ELEMENT (video_switch))
return FALSE;
-
+ identity = g_hash_table_lookup (play->priv->elements, "identity");
+ if (!GST_IS_ELEMENT (identity))
+ return FALSE;
+ tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1");
+ if (!GST_IS_PAD (tee_pad1))
+ return FALSE;
+
+ vis_queue_pad = gst_element_get_pad (vis_queue, "sink");
+
/* Check if the vis element is in the pipeline. That means visualization is
connected already */
- if (gst_element_get_managing_bin (vis_element)) {
+ if (gst_element_get_managing_bin (vis_bin)) {
/* If we are supposed to connect then nothing to do we return */
if (connect) {
return TRUE;
}
- /* We have to modify the pipeline. Changing autoplugger requires going to
- READY */
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
-
- /* Otherwise we unlink and remove the vis element refing it so that
- it won't be destroyed when removed from the bin. */
- vis_element_pad = gst_element_get_pad (vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_unlink (tee_pad1, vis_element_pad);
- gst_element_unlink (vis_element, video_thread);
- gst_object_ref (GST_OBJECT (vis_element));
- gst_bin_remove (GST_BIN (work_thread), vis_element);
+ /* Disconnecting visualization */
- /* Removing autoplugger */
- gst_element_unlink (source, autoplugger);
- gst_element_unlink (autoplugger, audioconvert);
- gst_bin_remove (GST_BIN (work_thread), autoplugger);
-
- autoplugger = gst_element_factory_make ("spider", "autoplugger");
- if (!GST_IS_ELEMENT (autoplugger))
- return FALSE;
-
- /* Adding and connecting a new autoplugger connected to video_thread */
- gst_bin_add (GST_BIN (work_thread), autoplugger);
- gst_element_link (source, autoplugger);
- gst_element_link (autoplugger, video_thread);
- gst_element_link (autoplugger, audioconvert);
+ /* We bring back the pipeline to PAUSED */
+ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
+ was_playing = TRUE;
+ }
- g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger);
+ /* Unlinking, removing */
+ gst_pad_unlink (tee_pad1, vis_queue_pad);
+ vis_bin_pad = gst_element_get_pad (vis_bin, "src");
+ switch_pad = gst_pad_get_peer (vis_bin_pad);
+ gst_pad_unlink (vis_bin_pad, switch_pad);
+ gst_element_release_request_pad (video_switch, switch_pad);
+ gst_object_ref (GST_OBJECT (vis_bin));
+ gst_bin_remove (GST_BIN (video_thread), vis_bin);
}
else {
- GstCaps *filtered_caps;
/* If we are supposed to disconnect then nothing to do we return */
if (!connect) {
return TRUE;
}
- /* We have to modify the pipeline. Changing autoplugger requires going to
- READY */
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
-
- /* Removing autoplugger */
- gst_element_unlink (source, autoplugger);
- gst_element_unlink (autoplugger, video_thread);
- gst_element_unlink (autoplugger, audioconvert);
- gst_bin_remove (GST_BIN (work_thread), autoplugger);
-
- autoplugger = gst_element_factory_make ("spider", "autoplugger");
- if (!GST_IS_ELEMENT (autoplugger))
- return FALSE;
-
- /* Adding and connecting a new autoplugger */
- gst_bin_add (GST_BIN (work_thread), autoplugger);
- gst_element_link (source, autoplugger);
- gst_element_link (autoplugger, audioconvert);
-
- g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger);
-
- /* Otherwise we add the element to the bin and link it to video_thread */
- gst_bin_add (GST_BIN (work_thread), vis_element);
- vis_element_pad = gst_element_get_pad (vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_link (tee_pad1, vis_element_pad);
+ /* Connecting visualization */
- filtered_caps = gst_caps_from_string ("video/x-raw-rgb, "
- "framerate = 30.0; "
- "video/x-raw-yuv, "
- "framerate = 30.0");
-
- if (!gst_element_link_filtered (vis_element, video_thread, filtered_caps))
- g_message ("failed linking filtered vis with video thread");
+ /* We bring back the pipeline to PAUSED */
+ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
+ was_playing = TRUE;
+ }
- gst_caps_free (filtered_caps);
+ /* Adding, linking */
+ play->priv->handoff_hid = g_signal_connect (G_OBJECT (identity),
+ "handoff",
+ G_CALLBACK (gst_play_identity_handoff), play);
+ gst_bin_add (GST_BIN (video_thread), vis_bin);
+ gst_pad_link (tee_pad1, vis_queue_pad);
+ gst_element_link (vis_bin, video_switch);
}
+ if (was_playing)
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING);
+
return TRUE;
}
diff --git a/gst-libs/gst/play/play.c b/gst-libs/gst/play/play.c
index 871e74ab..c9d28d0e 100644
--- a/gst-libs/gst/play/play.c
+++ b/gst-libs/gst/play/play.c
@@ -44,6 +44,8 @@ struct _GstPlayPrivate {
guint tick_id;
guint length_id;
+
+ gulong handoff_hid;
};
static guint gst_play_signals[LAST_SIGNAL] = { 0 };
@@ -62,10 +64,13 @@ gst_play_pipeline_setup (GstPlay *play)
/* Threads */
GstElement *work_thread, *audio_thread, *video_thread;
/* Main Thread elements */
- GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *vis_element;
+ GstElement *source, *autoplugger, *audioconvert, *volume, *tee, *identity;
+ GstElement *identity_cs;
+ /* Visualization bin */
+ GstElement *vis_bin, *vis_queue, *vis_element, *vis_cs;
/* Video Thread elements */
- GstElement *video_queue, *video_cs, *video_balance, *balance_cs;
- GstElement *video_scaler, *video_sink;
+ GstElement *video_queue, *video_switch, *video_cs, *video_balance;
+ GstElement *balance_cs, *video_scaler, *video_sink;
/* Audio Thread elements */
GstElement *audio_queue, *audio_sink;
/* Some useful pads */
@@ -74,8 +79,7 @@ gst_play_pipeline_setup (GstPlay *play)
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
- /* Creating main thread and its elements
- { fakesrc ! spider ! audioconvert ! volume ! tee } */
+ /* Creating main thread and its elements */
{
work_thread = gst_element_factory_make ("thread", "work_thread");
if (!GST_IS_ELEMENT (work_thread))
@@ -128,14 +132,62 @@ gst_play_pipeline_setup (GstPlay *play)
volume, tee, NULL);
gst_element_link_many (source, autoplugger,/* audioconvert,*/ volume, tee, NULL);
- /* Visualization element placeholder (note: it s not added to the pipeline
- yet) */
+ /* identity ! colorspace ! switch */
+ identity = gst_element_factory_make ("identity", "identity");
+ if (!GST_IS_ELEMENT (identity))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "identity", identity);
+
+ identity_cs = gst_element_factory_make ("ffcolorspace", "identity_cs");
+ if (!GST_IS_ELEMENT (identity_cs)) {
+ identity_cs = gst_element_factory_make ("colorspace", "identity_cs");
+ if (!GST_IS_ELEMENT (identity_cs))
+ return FALSE;
+ }
+
+ g_hash_table_insert (play->priv->elements, "identity_cs", identity_cs);
+
+ gst_bin_add_many (GST_BIN (work_thread), identity, identity_cs, NULL);
+ gst_element_link_many (autoplugger, identity, identity_cs, NULL);
+ }
+
+ /* Visualization bin (note: it s not added to the pipeline yet) */
+ {
+ vis_bin = gst_bin_new ("vis_bin");
+ if (!GST_IS_ELEMENT (vis_bin))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "vis_bin", vis_bin);
+
+ /* Buffer queue for video data */
+ vis_queue = gst_element_factory_make ("queue", "vis_queue");
+ if (!GST_IS_ELEMENT (vis_queue))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "vis_queue", vis_queue);
+
+ /* Visualization element placeholder */
vis_element = gst_element_factory_make ("identity", "vis_element");
if (!GST_IS_ELEMENT (vis_element))
return FALSE;
g_hash_table_insert (play->priv->elements, "vis_element", vis_element);
+ /* Colorspace conversion */
+ vis_cs = gst_element_factory_make ("ffcolorspace", "vis_cs");
+ if (!GST_IS_ELEMENT (vis_cs)) {
+ vis_cs = gst_element_factory_make ("colorspace", "vis_cs");
+ if (!GST_IS_ELEMENT (vis_cs))
+ return FALSE;
+ }
+
+ g_hash_table_insert (play->priv->elements, "vis_cs", vis_cs);
+
+ gst_bin_add_many (GST_BIN (vis_bin), vis_queue, vis_element, vis_cs, NULL);
+ gst_element_link_many (vis_queue, vis_element, vis_cs, NULL);
+ gst_element_add_ghost_pad (vis_bin,
+ gst_element_get_pad (vis_cs, "src"), "src");
}
/* Creating our video output bin */
{
@@ -153,6 +205,12 @@ gst_play_pipeline_setup (GstPlay *play)
g_hash_table_insert (play->priv->elements, "video_queue", video_queue);
+ video_switch = gst_element_factory_make ("switch", "video_switch");
+ if (!GST_IS_ELEMENT (video_switch))
+ return FALSE;
+
+ g_hash_table_insert (play->priv->elements, "video_switch", video_switch);
+
/* Colorspace conversion */
video_cs = gst_element_factory_make ("ffcolorspace", "video_cs");
if (!GST_IS_ELEMENT (video_cs)) {
@@ -196,14 +254,14 @@ gst_play_pipeline_setup (GstPlay *play)
g_hash_table_insert (play->priv->elements, "video_sink", video_sink);
- gst_bin_add_many (GST_BIN (video_thread), video_queue, video_cs,
+ gst_bin_add_many (GST_BIN (video_thread), video_queue, video_switch, video_cs,
video_balance, balance_cs, video_scaler, video_sink, NULL);
- gst_element_link_many (video_queue, video_cs, video_balance, balance_cs,
- video_scaler, video_sink, NULL);
+ gst_element_link_many (video_queue, video_switch, video_cs, video_balance,
+ balance_cs, video_scaler, video_sink, NULL);
gst_element_add_ghost_pad (video_thread,
gst_element_get_pad (video_queue, "sink"),
"sink");
- gst_element_link (autoplugger, video_thread);
+ gst_element_link (identity_cs, video_thread);
}
/* Creating our audio output bin
{ queue ! fakesink } */
@@ -365,6 +423,14 @@ gst_play_state_change (GstElement *element, GstElementState old,
GST_ELEMENT_CLASS (parent_class)->state_change (element, old, state);
}
+static void
+gst_play_identity_handoff (GstElement *identity, GstBuffer *buf, GstPlay *play)
+{
+ g_signal_handler_disconnect (G_OBJECT (identity), play->priv->handoff_hid);
+ play->priv->handoff_hid = 0;
+ gst_play_connect_visualization (play, FALSE);
+}
+
/* =========================================== */
/* */
/* Init & Dispose & Class init */
@@ -465,7 +531,7 @@ gboolean
gst_play_set_location (GstPlay *play, const char *location)
{
GstElement *work_thread, *source, *autoplugger;
- GstElement *audioconvert, *video_thread;
+ GstElement *audioconvert, *identity;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
@@ -490,14 +556,14 @@ gst_play_set_location (GstPlay *play, const char *location)
audioconvert = g_hash_table_lookup (play->priv->elements, "audioconvert");
if (!GST_IS_ELEMENT (audioconvert))
return FALSE;
- video_thread = g_hash_table_lookup (play->priv->elements, "video_thread");
- if (!GST_IS_ELEMENT (video_thread))
+ identity = g_hash_table_lookup (play->priv->elements, "identity");
+ if (!GST_IS_ELEMENT (identity))
return FALSE;
/* Spider can autoplugg only once. We remove the actual one and put a new
autoplugger */
gst_element_unlink (source, autoplugger);
- gst_element_unlink (autoplugger, video_thread);
+ gst_element_unlink (autoplugger, identity);
gst_element_unlink (autoplugger, audioconvert);
gst_bin_remove (GST_BIN (work_thread), autoplugger);
@@ -507,7 +573,7 @@ gst_play_set_location (GstPlay *play, const char *location)
gst_bin_add (GST_BIN (work_thread), autoplugger);
gst_element_link (source, autoplugger);
- gst_element_link (autoplugger, video_thread);
+ gst_element_link (autoplugger, identity);
gst_element_link (autoplugger, audioconvert);
g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger);
@@ -760,8 +826,7 @@ gst_play_set_audio_sink (GstPlay *play, GstElement *audio_sink)
gboolean
gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
{
- GstElement *work_thread, *old_vis_element, *video_thread;
- GstPad *tee_pad1;
+ GstElement *vis_bin, *vis_queue, *old_vis_element, *vis_cs;
gboolean was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
@@ -770,47 +835,30 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
g_return_val_if_fail (GST_IS_ELEMENT (vis_element), FALSE);
/* Getting needed objects */
- work_thread = g_hash_table_lookup (play->priv->elements, "work_thread");
- if (!GST_IS_ELEMENT (work_thread))
+ vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin");
+ if (!GST_IS_ELEMENT (vis_bin))
+ return FALSE;
+ vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue");
+ if (!GST_IS_ELEMENT (vis_queue))
return FALSE;
old_vis_element = g_hash_table_lookup (play->priv->elements,
"vis_element");
if (!GST_IS_ELEMENT (old_vis_element))
return FALSE;
- tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1");
- if (!GST_IS_PAD (tee_pad1))
- return FALSE;
- video_thread = g_hash_table_lookup (play->priv->elements, "video_thread");
- if (!GST_IS_ELEMENT (video_thread))
+ vis_cs = g_hash_table_lookup (play->priv->elements, "vis_cs");
+ if (!GST_IS_ELEMENT (vis_cs))
return FALSE;
- /* Let's check if the current vis element has a managing bin. If yes that
- means the element is inside the pipeline and need to be unlinked and
- removed. We also need to pause the pipeline if it is currently playing. */
- if (gst_element_get_managing_bin (old_vis_element)) {
- GstPad *vis_element_pad;
-
- /* We bring back the pipeline to PAUSED */
- if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
- was_playing = TRUE;
- }
-
- /* Unlinking, removing the old element then adding and linking the new one */
- vis_element_pad = gst_element_get_pad (old_vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_unlink (tee_pad1, vis_element_pad);
- gst_element_unlink (old_vis_element, video_thread);
- gst_bin_remove (GST_BIN (work_thread), old_vis_element);
- gst_bin_add (GST_BIN (work_thread), vis_element);
- vis_element_pad = gst_element_get_pad (vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_link (tee_pad1, vis_element_pad);
- gst_element_link (vis_element, video_thread);
- }
- else {
- gst_object_unref (GST_OBJECT (old_vis_element));
+ /* We bring back the pipeline to PAUSED */
+ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
+ was_playing = TRUE;
}
+
+ gst_element_unlink_many (vis_queue, old_vis_element, vis_cs, NULL);
+ gst_bin_remove (GST_BIN (vis_bin), old_vis_element);
+ gst_bin_add (GST_BIN (vis_bin), vis_element);
+ gst_element_link_many (vis_queue, vis_element, vis_cs, NULL);
g_hash_table_replace (play->priv->elements, "vis_element", vis_element);
@@ -833,121 +881,88 @@ gst_play_set_visualization (GstPlay *play, GstElement *vis_element)
gboolean
gst_play_connect_visualization (GstPlay * play, gboolean connect)
{
- GstElement *work_thread, *vis_element, *autoplugger, *video_thread;
- GstElement *audioconvert, *source;
- GstPad *tee_pad1, *vis_element_pad;
+ GstElement *video_thread, *vis_queue, *vis_bin, *video_switch, *identity;
+ GstPad *tee_pad1, *vis_queue_pad, *vis_bin_pad, *switch_pad;
+ gboolean was_playing = FALSE;
g_return_val_if_fail (play != NULL, FALSE);
g_return_val_if_fail (GST_IS_PLAY (play), FALSE);
/* Getting needed objects */
- work_thread = g_hash_table_lookup (play->priv->elements, "work_thread");
- if (!GST_IS_ELEMENT (work_thread))
- return FALSE;
- vis_element = g_hash_table_lookup (play->priv->elements, "vis_element");
- if (!GST_IS_ELEMENT (vis_element))
- return FALSE;
- tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1");
- if (!GST_IS_PAD (tee_pad1))
- return FALSE;
video_thread = g_hash_table_lookup (play->priv->elements, "video_thread");
if (!GST_IS_ELEMENT (video_thread))
return FALSE;
- autoplugger = g_hash_table_lookup (play->priv->elements, "autoplugger");
- if (!GST_IS_ELEMENT (autoplugger))
+ vis_bin = g_hash_table_lookup (play->priv->elements, "vis_bin");
+ if (!GST_IS_ELEMENT (vis_bin))
return FALSE;
- source = g_hash_table_lookup (play->priv->elements, "source");
- if (!GST_IS_ELEMENT (source))
+ vis_queue = g_hash_table_lookup (play->priv->elements, "vis_queue");
+ if (!GST_IS_ELEMENT (vis_queue))
return FALSE;
- audioconvert = g_hash_table_lookup (play->priv->elements, "audioconvert");
- if (!GST_IS_ELEMENT (audioconvert))
+ video_switch = g_hash_table_lookup (play->priv->elements, "video_switch");
+ if (!GST_IS_ELEMENT (video_switch))
return FALSE;
-
+ identity = g_hash_table_lookup (play->priv->elements, "identity");
+ if (!GST_IS_ELEMENT (identity))
+ return FALSE;
+ tee_pad1 = g_hash_table_lookup (play->priv->elements, "tee_pad1");
+ if (!GST_IS_PAD (tee_pad1))
+ return FALSE;
+
+ vis_queue_pad = gst_element_get_pad (vis_queue, "sink");
+
/* Check if the vis element is in the pipeline. That means visualization is
connected already */
- if (gst_element_get_managing_bin (vis_element)) {
+ if (gst_element_get_managing_bin (vis_bin)) {
/* If we are supposed to connect then nothing to do we return */
if (connect) {
return TRUE;
}
- /* We have to modify the pipeline. Changing autoplugger requires going to
- READY */
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
-
- /* Otherwise we unlink and remove the vis element refing it so that
- it won't be destroyed when removed from the bin. */
- vis_element_pad = gst_element_get_pad (vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_unlink (tee_pad1, vis_element_pad);
- gst_element_unlink (vis_element, video_thread);
- gst_object_ref (GST_OBJECT (vis_element));
- gst_bin_remove (GST_BIN (work_thread), vis_element);
+ /* Disconnecting visualization */
- /* Removing autoplugger */
- gst_element_unlink (source, autoplugger);
- gst_element_unlink (autoplugger, audioconvert);
- gst_bin_remove (GST_BIN (work_thread), autoplugger);
-
- autoplugger = gst_element_factory_make ("spider", "autoplugger");
- if (!GST_IS_ELEMENT (autoplugger))
- return FALSE;
-
- /* Adding and connecting a new autoplugger connected to video_thread */
- gst_bin_add (GST_BIN (work_thread), autoplugger);
- gst_element_link (source, autoplugger);
- gst_element_link (autoplugger, video_thread);
- gst_element_link (autoplugger, audioconvert);
+ /* We bring back the pipeline to PAUSED */
+ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
+ was_playing = TRUE;
+ }
- g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger);
+ /* Unlinking, removing */
+ gst_pad_unlink (tee_pad1, vis_queue_pad);
+ vis_bin_pad = gst_element_get_pad (vis_bin, "src");
+ switch_pad = gst_pad_get_peer (vis_bin_pad);
+ gst_pad_unlink (vis_bin_pad, switch_pad);
+ gst_element_release_request_pad (video_switch, switch_pad);
+ gst_object_ref (GST_OBJECT (vis_bin));
+ gst_bin_remove (GST_BIN (video_thread), vis_bin);
}
else {
- GstCaps *filtered_caps;
/* If we are supposed to disconnect then nothing to do we return */
if (!connect) {
return TRUE;
}
- /* We have to modify the pipeline. Changing autoplugger requires going to
- READY */
- gst_element_set_state (GST_ELEMENT (play), GST_STATE_READY);
-
- /* Removing autoplugger */
- gst_element_unlink (source, autoplugger);
- gst_element_unlink (autoplugger, video_thread);
- gst_element_unlink (autoplugger, audioconvert);
- gst_bin_remove (GST_BIN (work_thread), autoplugger);
-
- autoplugger = gst_element_factory_make ("spider", "autoplugger");
- if (!GST_IS_ELEMENT (autoplugger))
- return FALSE;
-
- /* Adding and connecting a new autoplugger */
- gst_bin_add (GST_BIN (work_thread), autoplugger);
- gst_element_link (source, autoplugger);
- gst_element_link (autoplugger, audioconvert);
-
- g_hash_table_replace (play->priv->elements, "autoplugger", autoplugger);
-
- /* Otherwise we add the element to the bin and link it to video_thread */
- gst_bin_add (GST_BIN (work_thread), vis_element);
- vis_element_pad = gst_element_get_pad (vis_element, "sink");
- if (GST_IS_PAD (vis_element_pad))
- gst_pad_link (tee_pad1, vis_element_pad);
+ /* Connecting visualization */
- filtered_caps = gst_caps_from_string ("video/x-raw-rgb, "
- "framerate = 30.0; "
- "video/x-raw-yuv, "
- "framerate = 30.0");
-
- if (!gst_element_link_filtered (vis_element, video_thread, filtered_caps))
- g_message ("failed linking filtered vis with video thread");
+ /* We bring back the pipeline to PAUSED */
+ if (GST_STATE (GST_ELEMENT (play)) == GST_STATE_PLAYING) {
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PAUSED);
+ was_playing = TRUE;
+ }
- gst_caps_free (filtered_caps);
+ /* Adding, linking */
+ play->priv->handoff_hid = g_signal_connect (G_OBJECT (identity),
+ "handoff",
+ G_CALLBACK (gst_play_identity_handoff), play);
+ gst_bin_add (GST_BIN (video_thread), vis_bin);
+ gst_pad_link (tee_pad1, vis_queue_pad);
+ gst_element_link (vis_bin, video_switch);
}
+ if (was_playing)
+ gst_element_set_state (GST_ELEMENT (play), GST_STATE_PLAYING);
+
return TRUE;
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 11:45:47 +0000