static gboolean
mx_gst_pad_is_compatible(MxGstGraphElementPad *src,
MxGstGraphElementPad *dest)
{
GstCaps *src_caps = gst_pad_get_caps(src->priv->pad);
GstCaps *dest_caps = gst_pad_get_caps(dest->priv->pad);
if( (GST_PAD_SRC != gst_pad_get_direction(src->priv->pad)) ||
(GST_PAD_SINK != gst_pad_get_direction(dest->priv->pad)) )
{
return FALSE;
}
if(gst_caps_is_any(src_caps) || gst_caps_is_any(dest_caps))
{
return TRUE;
}
if(gst_caps_is_empty(src_caps) || gst_caps_is_empty(dest_caps))
{
return FALSE;
}
return !gst_caps_is_empty(gst_caps_intersect(src_caps, dest_caps));
}
static gboolean
element_is_valid_filter (GstElement * element, gboolean * isdynamic)
{
gboolean havesink = FALSE;
gboolean havesrc = FALSE;
gboolean done = FALSE;
GstIterator *pads;
GValue item = { 0, };
if (isdynamic)
*isdynamic = FALSE;
pads = gst_element_iterate_pads (element);
while (!done) {
switch (gst_iterator_next (pads, &item)) {
case GST_ITERATOR_OK:
{
GstPad *pad = g_value_get_object (&item);
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
havesrc = TRUE;
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
havesink = TRUE;
g_value_reset (&item);
break;
}
case GST_ITERATOR_RESYNC:
gst_iterator_resync (pads);
havesrc = FALSE;
havesink = FALSE;
break;
default:
/* ERROR and DONE */
done = TRUE;
break;
}
}
g_value_unset (&item);
gst_iterator_free (pads);
/* just look at the element's class, not the factory, since there might
* not be a factory (in case of python elements) or the factory is the
* wrong one (in case of a GstBin sub-class) and doesn't have complete
* information. */
{
GList *tmp =
gst_element_class_get_pad_template_list (GST_ELEMENT_GET_CLASS
(element));
while (tmp) {
GstPadTemplate *template = (GstPadTemplate *) tmp->data;
if (template->direction == GST_PAD_SRC)
static void
debug_dump_element_pads (GstIterator * pad_iter, GstPad * pad,
GstElement * element, GstDebugGraphDetails details, GString * str,
const gint indent, guint * src_pads, guint * sink_pads)
{
GValue item = { 0, };
gboolean pads_done;
GstPadDirection dir;
pads_done = FALSE;
while (!pads_done) {
switch (gst_iterator_next (pad_iter, &item)) {
case GST_ITERATOR_OK:
pad = g_value_get_object (&item);
debug_dump_element_pad (pad, element, details, str, indent);
dir = gst_pad_get_direction (pad);
if (dir == GST_PAD_SRC)
(*src_pads)++;
else if (dir == GST_PAD_SINK)
(*sink_pads)++;
g_value_reset (&item);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (pad_iter);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
pads_done = TRUE;
break;
}
}
}
static void
mixer_pad_added (KmsBaseHub * mixer, GstPad * pad, gpointer data)
{
if (gst_pad_get_direction (pad) != GST_PAD_SRC) {
return;
}
KMS_BASE_HUB_LOCK (mixer);
if (g_str_has_prefix (GST_OBJECT_NAME (pad), VIDEO_SRC_PAD_PREFIX)) {
KmsBaseHubPortData *port;
gint64 id;
const gchar *pad_name;
pad_name = GST_OBJECT_NAME (pad);
id = g_ascii_strtoll (pad_name + LENGTH_VIDEO_SRC_PAD_PREFIX, NULL, 10);
port = g_hash_table_lookup (mixer->priv->ports, &id);
gst_element_link_pads (GST_ELEMENT (mixer), GST_OBJECT_NAME (pad),
port->port, "mixer_video_sink");
} else if (g_str_has_prefix (GST_OBJECT_NAME (pad), AUDIO_SRC_PAD_PREFIX)) {
KmsBaseHubPortData *port;
gint64 id;
const gchar *pad_name;
pad_name = GST_OBJECT_NAME (pad);
id = g_ascii_strtoll (pad_name + LENGTH_AUDIO_SRC_PAD_PREFIX, NULL, 10);
port = g_hash_table_lookup (mixer->priv->ports, &id);
gst_element_link_pads (GST_ELEMENT (mixer), GST_OBJECT_NAME (pad),
port->port, "mixer_audio_sink");
}
KMS_BASE_HUB_UNLOCK (mixer);
}
static void
pad_removed_cb (GstElement * element, GstPad * pad, gpointer data)
{
GstElement *wavenc;
GstPad *sinkpad;
if (gst_pad_get_direction (pad) != GST_PAD_SRC)
return;
GST_DEBUG ("Removed pad %" GST_PTR_FORMAT, pad);
wavenc = g_hash_table_lookup (hash, GST_OBJECT_NAME (pad));
if (wavenc == NULL)
return;
GST_DEBUG ("Send EOS to %s", GST_OBJECT_NAME (wavenc));
sinkpad = gst_element_get_static_pad (wavenc, "sink");
gst_pad_send_event (sinkpad, gst_event_new_eos ());
gst_object_unref (sinkpad);
#ifdef MANUAL_CHECK
{
/* Let test last for a few seconds to have a decent output file to debug */
g_timeout_add_seconds (2, quit_main_loop, NULL);
}
#else
{
g_idle_add (quit_main_loop, NULL);
}
#endif
}
static void
debug_dump_element_pad (GstPad * pad, GstElement * element,
GstDebugGraphDetails details, FILE * out, const gint indent)
{
GstElement *target_element;
GstPad *target_pad, *tmp_pad;
GstPadDirection dir;
gchar *element_name;
gchar *target_element_name;
const gchar *color_name;
dir = gst_pad_get_direction (pad);
element_name = debug_dump_make_object_name (GST_OBJECT (element));
if (GST_IS_GHOST_PAD (pad)) {
color_name =
(dir == GST_PAD_SRC) ? "#ffdddd" : ((dir ==
GST_PAD_SINK) ? "#ddddff" : "#ffffff");
/* output target-pad so that it belongs to this element */
if ((tmp_pad = gst_ghost_pad_get_target (GST_GHOST_PAD (pad)))) {
if ((target_pad = gst_pad_get_peer (tmp_pad))) {
gchar *pad_name, *target_pad_name;
const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)];
if ((target_element = gst_pad_get_parent_element (target_pad))) {
target_element_name =
debug_dump_make_object_name (GST_OBJECT (target_element));
} else {
target_element_name = g_strdup ("");
}
debug_dump_pad (target_pad, color_name, target_element_name, details,
out, indent);
/* src ghostpad relationship */
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
target_pad_name = debug_dump_make_object_name (GST_OBJECT (target_pad));
if (dir == GST_PAD_SRC) {
fprintf (out, "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
target_element_name, target_pad_name, element_name, pad_name);
} else {
fprintf (out, "%s%s_%s -> %s_%s [style=dashed, minlen=0]\n", spc,
element_name, pad_name, target_element_name, target_pad_name);
}
g_free (target_pad_name);
g_free (target_element_name);
if (target_element)
gst_object_unref (target_element);
gst_object_unref (target_pad);
g_free (pad_name);
}
gst_object_unref (tmp_pad);
}
} else {
color_name =
(dir == GST_PAD_SRC) ? "#ffaaaa" : ((dir ==
GST_PAD_SINK) ? "#aaaaff" : "#cccccc");
}
/* pads */
debug_dump_pad (pad, color_name, element_name, details, out, indent);
g_free (element_name);
}
static GstPad *
get_pad_by_direction (GstElement * element, GstPadDirection direction)
{
GstIterator *iter = gst_element_iterate_pads (element);
GstPad *pad = NULL;
GstPad *selected_pad = NULL;
gboolean done;
if (!iter)
return NULL;
done = FALSE;
while (!done) {
switch (gst_iterator_next (iter, (gpointer) & pad)) {
case GST_ITERATOR_OK:
if (gst_pad_get_direction (pad) == direction) {
/* We check if there is more than one pad in this direction,
* if there is, we return NULL so that the element is refused
*/
if (selected_pad) {
done = TRUE;
gst_object_unref (selected_pad);
selected_pad = NULL;
} else {
selected_pad = pad;
}
} else {
gst_object_unref (pad);
}
break;
case GST_ITERATOR_RESYNC:
if (selected_pad) {
gst_object_unref (selected_pad);
selected_pad = NULL;
}
gst_iterator_resync (iter);
break;
case GST_ITERATOR_ERROR:
GST_ERROR ("Error iterating pads of element %s",
GST_OBJECT_NAME (element));
gst_object_unref (selected_pad);
selected_pad = NULL;
done = TRUE;
break;
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (iter);
if (!selected_pad)
GST_ERROR ("Did not find pad of direction %d in %s",
direction, GST_OBJECT_NAME (element));
return selected_pad;
}
static void
on_pad_added_cb (GstElement * element, GstPad * pad, gpointer user_data)
{
GST_DEBUG_OBJECT (element, "Pad added %" GST_PTR_FORMAT, pad);
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
connect_sink_on_srcpad_added (element, pad);
}
}
static gboolean
toggle_pads_link_state (GstPad * pad1, GstPad * pad2)
{
gboolean ok = TRUE;
if (gst_pad_is_linked (pad1)) {
if (gst_pad_get_direction (pad1) == GST_PAD_SINK)
gst_pad_unlink (pad2, pad1);
else
gst_pad_unlink (pad1, pad2);
} else {
if (gst_pad_get_direction (pad1) == GST_PAD_SINK)
ok &= (gst_pad_link (pad2, pad1) == 0);
else
ok &= (gst_pad_link (pad1, pad2) == 0);
}
return ok;
}
static void
print_pad_info (GstElement * element)
{
const GList *pads;
GstPad *pad;
n_print ("\n");
n_print ("Pads:\n");
if (!element->numpads) {
n_print (" none\n");
return;
}
pads = element->pads;
while (pads) {
gchar *name;
GstCaps *caps;
pad = GST_PAD (pads->data);
pads = g_list_next (pads);
name = gst_pad_get_name (pad);
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
n_print (" SRC: '%s'\n", name);
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
n_print (" SINK: '%s'\n", name);
else
n_print (" UNKNOWN!!!: '%s'\n", name);
g_free (name);
if (pad->padtemplate)
n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template);
caps = gst_pad_get_current_caps (pad);
if (caps) {
n_print (" Capabilities:\n");
print_caps (caps, " ");
gst_caps_unref (caps);
}
}
}
void GstUtils::unlink_pad(GstPad *pad) {
GstPad *peer;
if ((peer = gst_pad_get_peer(pad))) {
if (gst_pad_get_direction(pad) == GST_PAD_SRC)
gst_pad_unlink(pad, peer);
else
gst_pad_unlink(peer, pad);
gst_object_unref(peer);
}
gst_object_unref(pad); // for iterator
}
//FIXME this should be part of the library
void
shmdata_base_reader_unlink_pad (GstPad *pad)
{
GstPad *peer;
if ((peer = gst_pad_get_peer (pad))) {
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
gst_pad_unlink (pad, peer);
else
gst_pad_unlink (peer, pad);
gst_object_unref (peer);
}
gst_object_unref(pad);
}
static void
mpegts_parse_pad_removed (GstElement * element, GstPad * pad)
{
MpegTSParsePad *tspad;
MpegTSParse2 *parse = GST_MPEGTS_PARSE (element);
if (gst_pad_get_direction (pad) == GST_PAD_SINK)
return;
tspad = (MpegTSParsePad *) gst_pad_get_element_private (pad);
mpegts_parse_destroy_tspad (parse, tspad);
if (GST_ELEMENT_CLASS (parent_class)->pad_removed)
GST_ELEMENT_CLASS (parent_class)->pad_removed (element, pad);
}
static void
pad_added_cb (GstElement * element, GstPad * pad, gpointer data)
{
gint id;
KmsAlphaBlending *self = KMS_ALPHA_BLENDING (data);
if (gst_pad_get_direction (pad) != GST_PAD_SRC)
return;
id = get_stream_id_from_padname (GST_OBJECT_NAME (pad));
if (id < 0) {
GST_ERROR_OBJECT (self, "Invalid HubPort for %" GST_PTR_FORMAT, pad);
return;
}
kms_base_hub_link_audio_src (KMS_BASE_HUB (self), id,
self->priv->audiomixer, GST_OBJECT_NAME (pad), TRUE);
}
static void
endpoint_pad_added (GstElement * endpoint, GstPad * pad,
KmsBaseHubPortData * port_data)
{
if (gst_pad_get_direction (pad) != GST_PAD_SRC ||
!g_str_has_prefix (GST_OBJECT_NAME (pad), "mixer")) {
return;
}
KMS_BASE_HUB_LOCK (port_data->mixer);
if (port_data->video_sink_target != NULL
&& g_strstr_len (GST_OBJECT_NAME (pad), -1, "video")) {
gchar *gp_name = g_strdup_printf (VIDEO_SINK_PAD_PREFIX "%d",
port_data->id);
GST_DEBUG_OBJECT (port_data->mixer,
"Connect %" GST_PTR_FORMAT " to %" GST_PTR_FORMAT, pad,
port_data->video_sink_target);
kms_base_hub_create_and_link_ghost_pad (port_data->mixer, pad, gp_name,
VIDEO_SINK_PAD_NAME, port_data->video_sink_target);
g_free (gp_name);
} else if (port_data->video_sink_target != NULL
&& g_strstr_len (GST_OBJECT_NAME (pad), -1, "audio")) {
gchar *gp_name = g_strdup_printf (AUDIO_SINK_PAD_PREFIX "%d",
port_data->id);
GST_DEBUG_OBJECT (port_data->mixer,
"Connect %" GST_PTR_FORMAT " to %" GST_PTR_FORMAT, pad,
port_data->audio_sink_target);
kms_base_hub_create_and_link_ghost_pad (port_data->mixer, pad, gp_name,
AUDIO_SINK_PAD_NAME, port_data->audio_sink_target);
g_free (gp_name);
}
KMS_BASE_HUB_UNLOCK (port_data->mixer);
}
static void
mpegts_parse_pad_removed (GstElement * element, GstPad * pad)
{
MpegTSParsePad *tspad;
MpegTSBase *base = (MpegTSBase *) element;
MpegTSParse2 *parse = GST_MPEGTS_PARSE (element);
if (gst_pad_get_direction (pad) == GST_PAD_SINK)
return;
tspad = (MpegTSParsePad *) gst_pad_get_element_private (pad);
if (tspad) {
mpegts_parse_destroy_tspad (parse, tspad);
parse->srcpads = g_list_remove_all (parse->srcpads, pad);
}
if (parse->srcpads == NULL) {
base->push_data = FALSE;
base->push_section = FALSE;
}
if (GST_ELEMENT_CLASS (parent_class)->pad_removed)
GST_ELEMENT_CLASS (parent_class)->pad_removed (element, pad);
}
static void
gst_insert_bin_do_change (GstInsertBin * self, GstPad * pad)
{
struct ChangeData *data;
GST_OBJECT_LOCK (self);
if (!is_right_direction_for_block (pad)) {
GST_WARNING_OBJECT (self, "Block pad does not have the expected direction");
goto next;
}
while ((data = g_queue_pop_head (&self->priv->change_queue)) != NULL) {
GstPad *peer = NULL;
GstPad *other_peer = NULL;
GST_OBJECT_UNLOCK (self);
if (data->action == GST_INSERT_BIN_ACTION_ADD &&
!validate_element (self, data->element))
goto error;
peer = gst_pad_get_peer (pad);
if (peer == NULL) {
GST_WARNING_OBJECT (self, "Blocked pad has no peer");
goto error;
}
if (data->action == GST_INSERT_BIN_ACTION_ADD) {
GstPad *srcpad = NULL, *sinkpad = NULL;
GstPad *peersrcpad, *peersinkpad;
/* First let's make sure we have the right pad */
if (data->sibling) {
GstElement *parent = NULL;
GstPad *siblingpad;
if ((gst_pad_get_direction (pad) == GST_PAD_SRC &&
data->direction == DIRECTION_BEFORE) ||
(gst_pad_get_direction (pad) == GST_PAD_SINK &&
data->direction == DIRECTION_AFTER))
siblingpad = peer;
else
siblingpad = pad;
parent = gst_pad_get_parent_element (siblingpad);
if (parent != NULL)
gst_object_unref (parent);
if (parent != data->sibling)
goto retry;
} else {
GstObject *parent;
GstPad *ghost;
GstPad *proxypad;
if (data->direction == DIRECTION_BEFORE) {
ghost = self->priv->srcpad;
if (gst_pad_get_direction (pad) == GST_PAD_SINK)
proxypad = pad;
else
proxypad = peer;
} else {
ghost = self->priv->sinkpad;
if (gst_pad_get_direction (pad) == GST_PAD_SINK)
proxypad = peer;
else
proxypad = pad;
}
if (!GST_IS_PROXY_PAD (proxypad))
goto retry;
parent = gst_pad_get_parent (proxypad);
if (!parent)
goto retry;
gst_object_unref (parent);
if (GST_PAD_CAST (parent) != ghost)
goto retry;
}
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
peersrcpad = pad;
peersinkpad = peer;
} else {
peersrcpad = peer;
peersinkpad = pad;
}
if (GST_IS_PROXY_PAD (peersrcpad)) {
GstObject *parent = gst_pad_get_parent (peersrcpad);
if (GST_PAD_CAST (parent) == self->priv->sinkpad)
peersrcpad = NULL;
if (parent)
gst_object_unref (parent);
}
if (GST_IS_PROXY_PAD (peersinkpad)) {
GstObject *parent = gst_pad_get_parent (peersinkpad);
if (GST_PAD_CAST (parent) == self->priv->srcpad)
peersinkpad = NULL;
if (parent)
gst_object_unref (parent);
}
if (peersinkpad && peersrcpad) {
gst_pad_unlink (peersrcpad, peersinkpad);
} else {
if (!peersinkpad)
gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->srcpad), NULL);
if (!peersrcpad)
gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->sinkpad), NULL);
}
srcpad = get_single_pad (data->element, GST_PAD_SRC);
sinkpad = get_single_pad (data->element, GST_PAD_SINK);
if (srcpad == NULL || sinkpad == NULL) {
GST_WARNING_OBJECT (self, "Can not get element src or sink pad");
goto error;
}
if (!gst_bin_add (GST_BIN (self), data->element)) {
GST_WARNING_OBJECT (self, "Can not add element to bin");
goto error;
}
if (peersrcpad) {
if (GST_PAD_LINK_FAILED (gst_pad_link (peersrcpad, sinkpad))) {
GST_WARNING_OBJECT (self, "Can not link sibling's %s:%s pad"
" to element's %s:%s pad", GST_DEBUG_PAD_NAME (peersrcpad),
GST_DEBUG_PAD_NAME (sinkpad));
goto error;
}
} else {
if (!gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->sinkpad),
sinkpad)) {
GST_WARNING_OBJECT (self, "Can not set %s:%s as target for %s:%s",
GST_DEBUG_PAD_NAME (sinkpad),
GST_DEBUG_PAD_NAME (self->priv->sinkpad));
goto error;
}
}
if (peersinkpad) {
if (GST_PAD_LINK_FAILED (gst_pad_link (srcpad, peersinkpad))) {
GST_WARNING_OBJECT (self, "Can not link element's %s:%s pad"
" to sibling's %s:%s pad", GST_DEBUG_PAD_NAME (srcpad),
GST_DEBUG_PAD_NAME (peersinkpad));
goto error;
}
} else {
if (!gst_ghost_pad_set_target (GST_GHOST_PAD (self->priv->srcpad),
srcpad)) {
GST_WARNING_OBJECT (self, "Can not set %s:%s as target for %s:%s",
GST_DEBUG_PAD_NAME (srcpad),
GST_DEBUG_PAD_NAME (self->priv->srcpad));
goto error;
}
}
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
if (!gst_element_sync_state_with_parent (data->element)) {
GST_WARNING_OBJECT (self, "Can not sync element's state with parent");
goto error;
}
} else {
GstElement *parent = NULL;
GstPad *other_pad;
GstCaps *caps = NULL, *peercaps = NULL;
gboolean can_intersect;
gboolean success;
parent = gst_pad_get_parent_element (peer);
if (parent != NULL)
gst_object_unref (parent);
if (parent != data->element)
goto retry;
if (gst_pad_get_direction (peer) == GST_PAD_SRC)
other_pad = get_single_pad (data->element, GST_PAD_SINK);
else
other_pad = get_single_pad (data->element, GST_PAD_SRC);
if (!other_pad) {
GST_WARNING_OBJECT (self, "Can not get element's other pad");
goto error;
}
other_peer = gst_pad_get_peer (other_pad);
gst_object_unref (other_pad);
if (!other_peer) {
GST_WARNING_OBJECT (self, "Can not get element's other peer");
goto error;
}
/* Get the negotiated caps for the source pad peer,
* because renegotiation while the pipeline is playing doesn't work
* that fast.
*/
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
caps = gst_pad_get_current_caps (pad);
else
peercaps = gst_pad_get_current_caps (other_peer);
if (!caps)
caps = gst_pad_query_caps (pad, NULL);
if (!peercaps)
peercaps = gst_pad_query_caps (other_peer, NULL);
can_intersect = gst_caps_can_intersect (caps, peercaps);
gst_caps_unref (caps);
gst_caps_unref (peercaps);
if (!can_intersect) {
GST_WARNING_OBJECT (self, "Pads are incompatible without the element");
goto error;
}
if (gst_pad_get_direction (other_peer) == GST_PAD_SRC &&
gst_pad_is_active (other_peer)) {
gulong probe_id;
probe_id = gst_pad_add_probe (other_peer,
GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
wait_and_drop_eos_cb, NULL, NULL);
gst_pad_send_event (peer, gst_event_new_eos ());
gst_pad_remove_probe (other_peer, probe_id);
}
gst_element_set_locked_state (data->element, TRUE);
gst_element_set_state (data->element, GST_STATE_NULL);
if (!gst_bin_remove (GST_BIN (self), data->element)) {
GST_WARNING_OBJECT (self, "Element removal rejected");
goto error;
}
gst_element_set_locked_state (data->element, FALSE);
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
success = GST_PAD_LINK_SUCCESSFUL (gst_pad_link_full (pad, other_peer,
GST_PAD_LINK_CHECK_HIERARCHY |
GST_PAD_LINK_CHECK_TEMPLATE_CAPS));
else
success = GST_PAD_LINK_SUCCESSFUL (gst_pad_link_full (other_peer, pad,
GST_PAD_LINK_CHECK_HIERARCHY |
GST_PAD_LINK_CHECK_TEMPLATE_CAPS));
gst_object_unref (other_peer);
other_peer = NULL;
if (!success) {
GST_ERROR_OBJECT (self, "Could not re-link after the element's"
" removal");
goto error;
}
}
gst_insert_bin_change_data_complete (self, data, TRUE);
gst_object_unref (peer);
GST_OBJECT_LOCK (self);
continue;
done:
if (other_peer != NULL)
gst_object_unref (other_peer);
if (peer != NULL)
gst_object_unref (peer);
break;
retry:
GST_OBJECT_LOCK (self);
g_queue_push_head (&self->priv->change_queue, data);
goto done;
error:
/* Handle error */
gst_insert_bin_change_data_complete (self, data, FALSE);
GST_OBJECT_LOCK (self);
goto done;
}
next:
gst_insert_bin_block_pad_unlock (self);
}
static void
pad_added_cb (GstElement * element, GstPad * pad, gpointer data)
{
GstElement *pipeline = GST_ELEMENT (data);
GstElement *wavenc, *sink;
GstPadLinkReturn ret;
GstPad *sinkpad;
gchar *msg;
if (gst_pad_get_direction (pad) != GST_PAD_SRC)
return;
wavenc = gst_element_factory_make ("wavenc", NULL);
#ifdef MANUAL_CHECK
{
gchar *filename;
G_LOCK (mutex);
filename = g_strdup_printf ("file_%u.wv", id++);
GST_DEBUG ("Creating file %s", filename);
G_UNLOCK (mutex);
sink = gst_element_factory_make ("filesink", NULL);
g_object_set (G_OBJECT (sink), "location", filename, NULL);
g_free (filename);
}
#else
{
sink = gst_element_factory_make ("fakesink", NULL);
}
#endif
g_object_set (G_OBJECT (sink), "sync", FALSE, "async", FALSE, NULL);
gst_bin_add_many (GST_BIN (pipeline), wavenc, sink, NULL);
sinkpad = gst_element_get_static_pad (wavenc, "sink");
if ((ret = gst_pad_link (pad, sinkpad)) != GST_PAD_LINK_OK) {
msg = g_strdup_printf ("Can not link pads (%d)", ret);
gst_object_unref (sinkpad);
goto failed;
}
gst_object_unref (sinkpad);
if (!gst_element_link (wavenc, sink)) {
msg = g_strdup_printf ("Can not link elements");
goto failed;
}
sinkpad = gst_element_get_static_pad (sink, "sink");
gst_pad_add_probe (sinkpad, GST_PAD_PROBE_TYPE_BUFFER, buffer_probe_cb, NULL,
NULL);
gst_object_unref (sinkpad);
gst_element_sync_state_with_parent (wavenc);
gst_element_sync_state_with_parent (sink);
G_LOCK (hash_mutex);
g_hash_table_insert (hash, GST_OBJECT_NAME (pad), wavenc);
G_UNLOCK (hash_mutex);
return;
failed:
gst_element_set_state (wavenc, GST_STATE_NULL);
gst_element_set_state (sink, GST_STATE_NULL);
gst_bin_remove_many (GST_BIN (pipeline), wavenc, sink, NULL);
GST_ERROR ("Error %s", msg);
fail (msg);
g_free (msg);
g_idle_add ((GSourceFunc) quit_main_loop, NULL);
}
static void
print_pad_info (GstElement * element)
{
const GList *pads;
GstPad *pad;
n_print ("\n");
n_print ("Pads:\n");
if (!element->numpads) {
n_print (" none\n");
return;
}
pads = element->pads;
while (pads) {
gchar *name;
pad = GST_PAD (pads->data);
pads = g_list_next (pads);
n_print ("");
name = gst_pad_get_name (pad);
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
g_print (" SRC: '%s'", name);
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
g_print (" SINK: '%s'", name);
else
g_print (" UNKNOWN!!!: '%s'", name);
g_free (name);
g_print ("\n");
n_print (" Implementation:\n");
if (pad->chainfunc)
n_print (" Has chainfunc(): %s\n",
GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
if (pad->getrangefunc)
n_print (" Has getrangefunc(): %s\n",
GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
if (pad->eventfunc != gst_pad_event_default)
n_print (" Has custom eventfunc(): %s\n",
GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
if (pad->queryfunc != gst_pad_query_default)
n_print (" Has custom queryfunc(): %s\n",
GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
if (pad->querytypefunc != gst_pad_get_query_types_default) {
n_print (" Provides query types:\n");
print_query_types (gst_pad_get_query_types (pad));
}
if (pad->intlinkfunc != gst_pad_get_internal_links_default)
n_print (" Has custom intconnfunc(): %s\n",
GST_DEBUG_FUNCPTR_NAME (pad->intlinkfunc));
if (pad->bufferallocfunc)
n_print (" Has bufferallocfunc(): %s\n",
GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
if (pad->padtemplate)
n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template);
if (pad->caps) {
n_print (" Capabilities:\n");
print_caps (pad->caps, " ");
}
}
}
PadDirection Pad::direction() const
{
return static_cast<PadDirection>(gst_pad_get_direction(object<GstPad>()));
}
/*
* debug_dump_element:
* @bin: the bin that should be analyzed
* @out: file to write to
* @indent: level of graph indentation
*
* Helper for gst_debug_bin_to_dot_file() to recursively dump a pipeline.
*/
static void
debug_dump_element (GstBin * bin, GstDebugGraphDetails details,
GString * str, const gint indent)
{
GstIterator *element_iter, *pad_iter;
gboolean elements_done, pads_done;
GValue item = { 0, };
GValue item2 = { 0, };
GstElement *element;
GstPad *pad = NULL;
guint src_pads, sink_pads;
gchar *element_name;
gchar *state_name = NULL;
gchar *param_name = NULL;
const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)];
element_iter = gst_bin_iterate_elements (bin);
elements_done = FALSE;
while (!elements_done) {
switch (gst_iterator_next (element_iter, &item)) {
case GST_ITERATOR_OK:
element = g_value_get_object (&item);
element_name = debug_dump_make_object_name (GST_OBJECT (element));
if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
state_name = debug_dump_get_element_state (GST_ELEMENT (element));
}
if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
param_name = debug_dump_get_element_params (GST_ELEMENT (element),
details);
}
/* elements */
g_string_append_printf (str, "%ssubgraph cluster_%s {\n", spc,
element_name);
g_string_append_printf (str, "%s fontname=\"Bitstream Vera Sans\";\n",
spc);
g_string_append_printf (str, "%s fontsize=\"8\";\n", spc);
g_string_append_printf (str, "%s style=filled;\n", spc);
g_string_append_printf (str, "%s color=black;\n\n", spc);
g_string_append_printf (str, "%s label=\"%s\\n%s%s%s\";\n", spc,
G_OBJECT_TYPE_NAME (element), GST_OBJECT_NAME (element),
(state_name ? state_name : ""), (param_name ? param_name : "")
);
if (state_name) {
g_free (state_name);
state_name = NULL;
}
if (param_name) {
g_free (param_name);
param_name = NULL;
}
g_free (element_name);
src_pads = sink_pads = 0;
if ((pad_iter = gst_element_iterate_sink_pads (element))) {
debug_dump_element_pads (pad_iter, pad, element, details, str,
indent, &src_pads, &sink_pads);
gst_iterator_free (pad_iter);
}
if ((pad_iter = gst_element_iterate_src_pads (element))) {
debug_dump_element_pads (pad_iter, pad, element, details, str,
indent, &src_pads, &sink_pads);
gst_iterator_free (pad_iter);
}
if (GST_IS_BIN (element)) {
g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc);
/* recurse */
debug_dump_element (GST_BIN (element), details, str, indent + 1);
} else {
if (src_pads && !sink_pads)
g_string_append_printf (str, "%s fillcolor=\"#ffaaaa\";\n", spc);
else if (!src_pads && sink_pads)
g_string_append_printf (str, "%s fillcolor=\"#aaaaff\";\n", spc);
else if (src_pads && sink_pads)
g_string_append_printf (str, "%s fillcolor=\"#aaffaa\";\n", spc);
else
g_string_append_printf (str, "%s fillcolor=\"#ffffff\";\n", spc);
}
g_string_append_printf (str, "%s}\n\n", spc);
if ((pad_iter = gst_element_iterate_pads (element))) {
pads_done = FALSE;
while (!pads_done) {
switch (gst_iterator_next (pad_iter, &item2)) {
case GST_ITERATOR_OK:
pad = g_value_get_object (&item2);
if (gst_pad_is_linked (pad)) {
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
debug_dump_element_pad_link (pad, element, details, str,
indent);
} else {
GstPad *peer_pad = gst_pad_get_peer (pad);
if (peer_pad) {
if (!GST_IS_GHOST_PAD (peer_pad)
&& GST_IS_PROXY_PAD (peer_pad)) {
debug_dump_element_pad_link (peer_pad, NULL, details,
str, indent);
}
gst_object_unref (peer_pad);
}
}
}
g_value_reset (&item2);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (pad_iter);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
pads_done = TRUE;
break;
}
}
g_value_unset (&item2);
gst_iterator_free (pad_iter);
}
g_value_reset (&item);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (element_iter);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
elements_done = TRUE;
break;
}
}
g_value_unset (&item);
gst_iterator_free (element_iter);
}
static void
debug_dump_element_pad_link (GstPad * pad, GstElement * element,
GstDebugGraphDetails details, GString * str, const gint indent)
{
GstElement *peer_element;
GstPad *peer_pad;
GstCaps *caps, *peer_caps;
gchar *media = NULL;
gchar *media_src = NULL, *media_sink = NULL;
gchar *pad_name, *element_name;
gchar *peer_pad_name, *peer_element_name;
const gchar *spc = &spaces[MAX (sizeof (spaces) - (1 + indent * 2), 0)];
if ((peer_pad = gst_pad_get_peer (pad))) {
if ((details & GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE) ||
(details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS)
) {
caps = gst_pad_get_current_caps (pad);
if (!caps)
caps = gst_pad_get_pad_template_caps (pad);
peer_caps = gst_pad_get_current_caps (peer_pad);
if (!peer_caps)
peer_caps = gst_pad_get_pad_template_caps (peer_pad);
media = debug_dump_describe_caps (caps, details);
/* check if peer caps are different */
if (peer_caps && !gst_caps_is_equal (caps, peer_caps)) {
gchar *tmp;
tmp = debug_dump_describe_caps (peer_caps, details);
if (gst_pad_get_direction (pad) == GST_PAD_SRC) {
media_src = media;
media_sink = tmp;
} else {
media_src = tmp;
media_sink = media;
}
media = NULL;
}
gst_caps_unref (peer_caps);
gst_caps_unref (caps);
}
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
if (element) {
element_name = debug_dump_make_object_name (GST_OBJECT (element));
} else {
element_name = g_strdup ("");
}
peer_pad_name = debug_dump_make_object_name (GST_OBJECT (peer_pad));
if ((peer_element = gst_pad_get_parent_element (peer_pad))) {
peer_element_name =
debug_dump_make_object_name (GST_OBJECT (peer_element));
} else {
peer_element_name = g_strdup ("");
}
/* pad link */
if (media) {
g_string_append_printf (str, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
element_name, pad_name, peer_element_name, peer_pad_name, media);
g_free (media);
} else if (media_src && media_sink) {
/* dot has some issues with placement of head and taillabels,
* we need an empty label to make space */
g_string_append_printf (str,
"%s%s_%s -> %s_%s [labeldistance=\"10\", labelangle=\"0\", "
"label=\" \", "
"taillabel=\"%s\", headlabel=\"%s\"]\n",
spc, element_name, pad_name, peer_element_name, peer_pad_name,
media_src, media_sink);
g_free (media_src);
g_free (media_sink);
} else {
g_string_append_printf (str, "%s%s_%s -> %s_%s\n", spc,
element_name, pad_name, peer_element_name, peer_pad_name);
}
g_free (pad_name);
g_free (element_name);
g_free (peer_pad_name);
g_free (peer_element_name);
if (peer_element)
gst_object_unref (peer_element);
gst_object_unref (peer_pad);
}
}
/*
* debug_dump_element:
* @bin: the bin that should be analyzed
* @out: file to write to
* @indent: level of graph indentation
*
* Helper for _gst_debug_bin_to_dot_file() to recursively dump a pipeline.
*/
static void
debug_dump_element (GstBin * bin, GstDebugGraphDetails details, FILE * out,
const gint indent)
{
GstIterator *element_iter, *pad_iter;
gboolean elements_done, pads_done;
GstElement *element, *peer_element, *target_element;
GstPad *pad, *peer_pad, *target_pad;
GstPadDirection dir;
GstCaps *caps;
GstStructure *structure;
gboolean free_caps, free_media;
guint src_pads, sink_pads;
gchar *media = NULL;
gchar *pad_name, *element_name;
gchar *peer_pad_name, *peer_element_name;
gchar *target_pad_name, *target_element_name;
gchar *color_name;
gchar *state_name = NULL;
gchar *param_name = NULL;
gchar *spc = NULL;
spc = g_malloc (1 + indent * 2);
memset (spc, 32, indent * 2);
spc[indent * 2] = '\0';
element_iter = gst_bin_iterate_elements (bin);
elements_done = FALSE;
while (!elements_done) {
switch (gst_iterator_next (element_iter, (gpointer) & element)) {
case GST_ITERATOR_OK:
element_name = debug_dump_make_object_name (GST_OBJECT (element));
if (details & GST_DEBUG_GRAPH_SHOW_STATES) {
state_name = debug_dump_get_element_state (GST_ELEMENT (element));
}
if (details & GST_DEBUG_GRAPH_SHOW_NON_DEFAULT_PARAMS) {
param_name = debug_dump_get_element_params (GST_ELEMENT (element));
}
/* elements */
fprintf (out, "%ssubgraph cluster_%s {\n", spc, element_name);
fprintf (out, "%s fontname=\"Bitstream Vera Sans\";\n", spc);
fprintf (out, "%s fontsize=\"8\";\n", spc);
fprintf (out, "%s style=filled;\n", spc);
fprintf (out, "%s color=black;\n\n", spc);
fprintf (out, "%s label=\"<%s>\\n%s%s%s\";\n", spc,
G_OBJECT_TYPE_NAME (element), GST_OBJECT_NAME (element),
(state_name ? state_name : ""), (param_name ? param_name : "")
);
if (state_name) {
g_free (state_name);
state_name = NULL;
}
if (param_name) {
g_free (param_name);
param_name = NULL;
}
g_free (element_name);
src_pads = sink_pads = 0;
if ((pad_iter = gst_element_iterate_pads (element))) {
pads_done = FALSE;
while (!pads_done) {
switch (gst_iterator_next (pad_iter, (gpointer) & pad)) {
case GST_ITERATOR_OK:
dir = gst_pad_get_direction (pad);
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
element_name =
debug_dump_make_object_name (GST_OBJECT (element));
if (GST_IS_GHOST_PAD (pad)) {
color_name =
(dir == GST_PAD_SRC) ? "#ffdddd" : ((dir ==
GST_PAD_SINK) ? "#ddddff" : "#ffffff");
} else {
color_name =
(dir == GST_PAD_SRC) ? "#ffaaaa" : ((dir ==
GST_PAD_SINK) ? "#aaaaff" : "#cccccc");
}
/* pads */
fprintf (out,
"%s %s_%s [color=black, fillcolor=\"%s\", label=\"%s\"];\n",
spc, element_name, pad_name, color_name,
GST_OBJECT_NAME (pad));
if (dir == GST_PAD_SRC)
src_pads++;
else if (dir == GST_PAD_SINK)
sink_pads++;
g_free (pad_name);
g_free (element_name);
gst_object_unref (pad);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (pad_iter);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
pads_done = TRUE;
break;
}
}
gst_iterator_free (pad_iter);
}
if (GST_IS_BIN (element)) {
fprintf (out, "%s fillcolor=\"#ffffff\";\n", spc);
/* recurse */
debug_dump_element (GST_BIN (element), details, out, indent + 1);
} else {
if (src_pads && !sink_pads)
fprintf (out, "%s fillcolor=\"#ffaaaa\";\n", spc);
else if (!src_pads && sink_pads)
fprintf (out, "%s fillcolor=\"#aaaaff\";\n", spc);
else if (src_pads && sink_pads)
fprintf (out, "%s fillcolor=\"#aaffaa\";\n", spc);
else
fprintf (out, "%s fillcolor=\"#ffffff\";\n", spc);
}
fprintf (out, "%s}\n\n", spc);
if ((pad_iter = gst_element_iterate_pads (element))) {
pads_done = FALSE;
while (!pads_done) {
switch (gst_iterator_next (pad_iter, (gpointer) & pad)) {
case GST_ITERATOR_OK:
if (gst_pad_is_linked (pad)
&& gst_pad_get_direction (pad) == GST_PAD_SRC) {
if ((peer_pad = gst_pad_get_peer (pad))) {
free_media = FALSE;
if ((details & GST_DEBUG_GRAPH_SHOW_MEDIA_TYPE) ||
(details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS)
) {
if ((caps = gst_pad_get_negotiated_caps (pad))) {
free_caps = TRUE;
} else {
free_caps = FALSE;
if (!(caps = (GstCaps *)
gst_pad_get_pad_template_caps (pad))) {
/* this should not happen */
media = "?";
}
}
if (caps) {
if (details & GST_DEBUG_GRAPH_SHOW_CAPS_DETAILS) {
gchar *tmp =
g_strdelimit (gst_caps_to_string (caps), ",",
'\n');
media = g_strescape (tmp, NULL);
free_media = TRUE;
g_free (tmp);
} else {
if (GST_CAPS_IS_SIMPLE (caps)) {
structure = gst_caps_get_structure (caps, 0);
media =
(gchar *) gst_structure_get_name (structure);
} else
media = "*";
}
if (free_caps) {
gst_caps_unref (caps);
}
}
}
pad_name = debug_dump_make_object_name (GST_OBJECT (pad));
element_name =
debug_dump_make_object_name (GST_OBJECT (element));
peer_pad_name =
debug_dump_make_object_name (GST_OBJECT (peer_pad));
if ((peer_element = gst_pad_get_parent_element (peer_pad))) {
peer_element_name =
debug_dump_make_object_name (GST_OBJECT
(peer_element));
} else {
peer_element_name = "";
}
/* pad link */
if (media) {
fprintf (out, "%s%s_%s -> %s_%s [label=\"%s\"]\n", spc,
element_name, pad_name, peer_element_name,
peer_pad_name, media);
if (free_media) {
g_free (media);
}
} else {
fprintf (out, "%s%s_%s -> %s_%s\n", spc,
element_name, pad_name, peer_element_name,
peer_pad_name);
}
if (GST_IS_GHOST_PAD (pad)) {
if ((target_pad =
gst_ghost_pad_get_target (GST_GHOST_PAD (pad)))) {
target_pad_name =
debug_dump_make_object_name (GST_OBJECT
(target_pad));
if ((target_element =
gst_pad_get_parent_element (target_pad))) {
target_element_name =
debug_dump_make_object_name (GST_OBJECT
(target_element));
} else {
target_element_name = "";
}
/* src ghostpad relationship */
fprintf (out, "%s%s_%s -> %s_%s [style=dashed]\n", spc,
target_element_name, target_pad_name, element_name,
pad_name);
g_free (target_pad_name);
if (target_element) {
g_free (target_element_name);
gst_object_unref (target_element);
}
gst_object_unref (target_pad);
}
}
if (GST_IS_GHOST_PAD (peer_pad)) {
if ((target_pad =
gst_ghost_pad_get_target (GST_GHOST_PAD
(peer_pad)))) {
target_pad_name =
debug_dump_make_object_name (GST_OBJECT
(target_pad));
if ((target_element =
gst_pad_get_parent_element (target_pad))) {
target_element_name =
debug_dump_make_object_name (GST_OBJECT
(target_element));
} else {
target_element_name = "";
}
/* sink ghostpad relationship */
fprintf (out, "%s%s_%s -> %s_%s [style=dashed]\n", spc,
peer_element_name, peer_pad_name,
target_element_name, target_pad_name);
g_free (target_pad_name);
if (target_element) {
g_free (target_element_name);
gst_object_unref (target_element);
}
gst_object_unref (target_pad);
}
}
g_free (pad_name);
g_free (element_name);
g_free (peer_pad_name);
if (peer_element) {
g_free (peer_element_name);
gst_object_unref (peer_element);
}
gst_object_unref (peer_pad);
}
}
gst_object_unref (pad);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (pad_iter);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
pads_done = TRUE;
break;
}
}
gst_iterator_free (pad_iter);
}
gst_object_unref (element);
break;
case GST_ITERATOR_RESYNC:
gst_iterator_resync (element_iter);
break;
case GST_ITERATOR_ERROR:
case GST_ITERATOR_DONE:
elements_done = TRUE;
break;
}
}
gst_iterator_free (element_iter);
g_free (spc);
}
static gint
print_element_info (GstElementFactory * factory)
{
GstElement *element;
#ifndef GST_DISABLE_LOADSAVE
GstObjectClass *gstobject_class;
#endif
GstElementClass *gstelement_class;
GList *pads;
GstPad *pad;
GstStaticPadTemplate *padtemplate;
gint maxlevel = 0;
element = gst_element_factory_create (factory, "element");
if (!element) {
g_print ("couldn't construct element for some reason\n");
return -1;
}
PUT_START_TAG (0, "element");
PUT_ESCAPED (1, "name", GST_PLUGIN_FEATURE_NAME (factory));
#ifndef GST_DISABLE_LOADSAVE
gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
#endif
gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
PUT_START_TAG (1, "details");
PUT_ESCAPED (2, "long-name", factory->details.longname);
PUT_ESCAPED (2, "class", factory->details.klass);
PUT_ESCAPED (2, "description", factory->details.description);
PUT_ESCAPED (2, "authors", factory->details.author);
PUT_END_TAG (1, "details");
output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
PUT_START_TAG (1, "pad-templates");
if (factory->numpadtemplates) {
pads = factory->staticpadtemplates;
while (pads) {
padtemplate = (GstStaticPadTemplate *) (pads->data);
pads = g_list_next (pads);
PUT_START_TAG (2, "pad-template");
PUT_ESCAPED (3, "name", padtemplate->name_template);
if (padtemplate->direction == GST_PAD_SRC)
PUT_ESCAPED (3, "direction", "src");
else if (padtemplate->direction == GST_PAD_SINK)
PUT_ESCAPED (3, "direction", "sink");
else
PUT_ESCAPED (3, "direction", "unknown");
if (padtemplate->presence == GST_PAD_ALWAYS)
PUT_ESCAPED (3, "presence", "always");
else if (padtemplate->presence == GST_PAD_SOMETIMES)
PUT_ESCAPED (3, "presence", "sometimes");
else if (padtemplate->presence == GST_PAD_REQUEST) {
PUT_ESCAPED (3, "presence", "request");
PUT_ESCAPED (3, "request-function",
GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
} else
PUT_ESCAPED (3, "presence", "unknown");
if (padtemplate->static_caps.string) {
print_caps (gst_static_caps_get (&padtemplate->static_caps), 3);
}
PUT_END_TAG (2, "pad-template");
}
}
PUT_END_TAG (1, "pad-templates");
PUT_START_TAG (1, "element-flags");
PUT_END_TAG (1, "element-flags");
if (GST_IS_BIN (element)) {
PUT_START_TAG (1, "bin-flags");
PUT_END_TAG (1, "bin-flags");
}
PUT_START_TAG (1, "element-implementation");
PUT_STRING (2, "<state-change function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
#ifndef GST_DISABLE_LOADSAVE
PUT_STRING (2, "<save function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
PUT_STRING (2, "<load function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
#endif
PUT_END_TAG (1, "element-implementation");
PUT_START_TAG (1, "clocking-interaction");
if (gst_element_requires_clock (element)) {
PUT_STRING (2, "<requires-clock/>");
}
if (gst_element_provides_clock (element)) {
GstClock *clock;
clock = gst_element_get_clock (element);
if (clock)
PUT_STRING (2, "<provides-clock name=\"%s\"/>", GST_OBJECT_NAME (clock));
}
PUT_END_TAG (1, "clocking-interaction");
if (gst_element_is_indexable (element)) {
PUT_STRING (1, "<indexing-capabilities/>");
}
PUT_START_TAG (1, "pads");
if (element->numpads) {
const GList *pads;
pads = element->pads;
while (pads) {
pad = GST_PAD (pads->data);
pads = g_list_next (pads);
PUT_START_TAG (2, "pad");
PUT_ESCAPED (3, "name", gst_pad_get_name (pad));
if (gst_pad_get_direction (pad) == GST_PAD_SRC)
PUT_ESCAPED (3, "direction", "src");
else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
PUT_ESCAPED (3, "direction", "sink");
else
PUT_ESCAPED (3, "direction", "unknown");
if (pad->padtemplate)
PUT_ESCAPED (3, "template", pad->padtemplate->name_template);
PUT_START_TAG (3, "implementation");
if (pad->chainfunc)
PUT_STRING (4, "<chain-based function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
if (pad->getrangefunc)
PUT_STRING (4, "<get-range-based function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
if (pad->eventfunc != gst_pad_event_default)
PUT_STRING (4, "<event-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
if (pad->queryfunc != gst_pad_query_default)
PUT_STRING (4, "<query-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
if (pad->querytypefunc != gst_pad_get_query_types_default) {
PUT_STRING (4, "<query-type-func function=\"%s\">",
GST_DEBUG_FUNCPTR_NAME (pad->querytypefunc));
print_query_types (gst_pad_get_query_types (pad), 5);
PUT_END_TAG (4, "query-type-func");
}
if (pad->iterintlinkfunc != gst_pad_iterate_internal_links_default)
PUT_STRING (4, "<iterintlink-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->iterintlinkfunc));
if (pad->bufferallocfunc)
PUT_STRING (4, "<bufferalloc-function function=\"%s\"/>",
GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
PUT_END_TAG (3, "implementation");
if (pad->caps) {
print_caps (pad->caps, 3);
}
PUT_END_TAG (2, "pad");
}
}
PUT_END_TAG (1, "pads");
print_element_properties (element, 1);
print_element_signals (element, 1);
/* for compound elements */
/* FIXME: gst_bin_get_list does not exist anymore
if (GST_IS_BIN (element)) {
GList *children;
GstElement *child;
PUT_START_TAG (1, "children");
children = (GList *) gst_bin_get_list (GST_BIN (element));
while (children) {
child = GST_ELEMENT (children->data);
children = g_list_next (children);
PUT_ESCAPED (2, "child", GST_ELEMENT_NAME (child));
}
PUT_END_TAG (1, "children");
}
*/
PUT_END_TAG (0, "element");
return 0;
}
static GstPad *
kms_element_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * name, const GstCaps * caps)
{
GstPad *ret_pad = NULL;
gchar *pad_name;
gboolean added;
KMS_ELEMENT_LOCK (element);
if (templ ==
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS
(element)), "audio_src_%u")) {
pad_name = g_strdup_printf ("audio_src_%d",
KMS_ELEMENT (element)->priv->audio_pad_count++);
ret_pad = kms_element_generate_src_pad (KMS_ELEMENT (element), pad_name,
KMS_ELEMENT (element)->priv->audio_agnosticbin, templ);
if (ret_pad == NULL)
KMS_ELEMENT (element)->priv->audio_pad_count--;
g_free (pad_name);
} else if (templ ==
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS
(element)), "video_src_%u")) {
pad_name = g_strdup_printf ("video_src_%d",
KMS_ELEMENT (element)->priv->video_pad_count++);
ret_pad = kms_element_generate_src_pad (KMS_ELEMENT (element), pad_name,
KMS_ELEMENT (element)->priv->video_agnosticbin, templ);
if (ret_pad == NULL)
KMS_ELEMENT (element)->priv->video_pad_count--;
g_free (pad_name);
} else if (templ ==
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS
(element)), AUDIO_SINK_PAD)) {
ret_pad =
kms_element_generate_sink_pad (KMS_ELEMENT (element), AUDIO_SINK_PAD,
&KMS_ELEMENT (element)->priv->audio_valve, templ);
gst_pad_add_probe (ret_pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
accept_eos_probe, element, NULL);
g_signal_connect (G_OBJECT (ret_pad), "unlinked",
G_CALLBACK (send_flush_on_unlink), NULL);
} else if (templ ==
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS
(element)), VIDEO_SINK_PAD)) {
ret_pad =
kms_element_generate_sink_pad (KMS_ELEMENT (element), VIDEO_SINK_PAD,
&KMS_ELEMENT (element)->priv->video_valve, templ);
gst_pad_add_probe (ret_pad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
accept_eos_probe, element, NULL);
g_signal_connect (G_OBJECT (ret_pad), "unlinked",
G_CALLBACK (send_flush_on_unlink), NULL);
}
if (ret_pad == NULL) {
KMS_ELEMENT_UNLOCK (element);
GST_WARNING ("No pad created");
return NULL;
}
if (GST_STATE (element) >= GST_STATE_PAUSED
|| GST_STATE_PENDING (element) >= GST_STATE_PAUSED
|| GST_STATE_TARGET (element) >= GST_STATE_PAUSED)
gst_pad_set_active (ret_pad, TRUE);
added = gst_element_add_pad (element, ret_pad);
KMS_ELEMENT_UNLOCK (element);
if (added)
return ret_pad;
if (gst_pad_get_direction (ret_pad) == GST_PAD_SRC) {
GstPad *target = gst_ghost_pad_get_target (GST_GHOST_PAD (ret_pad));
if (target != NULL) {
GstElement *agnostic = gst_pad_get_parent_element (target);
gst_element_release_request_pad (agnostic, target);
g_object_unref (target);
g_object_unref (agnostic);
}
}
g_object_unref (ret_pad);
return NULL;
}
