static void
kms_agnostic_bin2_link_to_tee (KmsAgnosticBin2 * self, GstPad * pad,
GstElement * tee, GstCaps * caps)
{
GstElement *queue = gst_element_factory_make ("queue", NULL);
GstPad *target;
gst_bin_add (GST_BIN (self), queue);
gst_element_sync_state_with_parent (queue);
if (!gst_caps_is_any (caps) && is_raw_caps (caps)) {
GstElement *convert = kms_utils_create_convert_for_caps (caps);
GstElement *rate = kms_utils_create_rate_for_caps (caps);
GstElement *mediator = kms_utils_create_mediator_element (caps);
remove_element_on_unlinked (convert, "src", "sink");
remove_element_on_unlinked (rate, "src", "sink");
remove_element_on_unlinked (mediator, "src", "sink");
gst_bin_add_many (GST_BIN (self), convert, rate, mediator, NULL);
gst_element_sync_state_with_parent (mediator);
gst_element_sync_state_with_parent (convert);
gst_element_sync_state_with_parent (rate);
gst_element_link_many (queue, rate, convert, mediator, NULL);
target = gst_element_get_static_pad (mediator, "src");
} else {
target = gst_element_get_static_pad (queue, "src");
}
gst_ghost_pad_set_target (GST_GHOST_PAD (pad), target);
g_object_unref (target);
link_element_to_tee (tee, queue);
}
static void
kms_agnostic_bin2_link_to_tee (KmsAgnosticBin2 * self, GstPad * pad,
GstElement * tee, GstCaps * caps)
{
GstElement *queue = gst_element_factory_make ("queue", NULL);
GstPad *target;
GstProxyPad *proxy;
gst_bin_add (GST_BIN (self), queue);
gst_element_sync_state_with_parent (queue);
if (!(gst_caps_is_any (caps) || gst_caps_is_empty (caps))
&& kms_utils_caps_are_raw (caps)) {
GstElement *convert = kms_utils_create_convert_for_caps (caps);
GstElement *rate = kms_utils_create_rate_for_caps (caps);
GstElement *mediator = kms_utils_create_mediator_element (caps);
remove_element_on_unlinked (convert, "src", "sink");
if (rate) {
remove_element_on_unlinked (rate, "src", "sink");
}
remove_element_on_unlinked (mediator, "src", "sink");
if (rate) {
gst_bin_add (GST_BIN (self), rate);
}
gst_bin_add_many (GST_BIN (self), convert, mediator, NULL);
gst_element_sync_state_with_parent (mediator);
gst_element_sync_state_with_parent (convert);
if (rate) {
gst_element_sync_state_with_parent (rate);
}
if (rate) {
gst_element_link_many (queue, rate, mediator, NULL);
} else {
gst_element_link (queue, mediator);
}
gst_element_link_many (mediator, convert, NULL);
target = gst_element_get_static_pad (convert, "src");
} else {
target = gst_element_get_static_pad (queue, "src");
}
gst_ghost_pad_set_target (GST_GHOST_PAD (pad), target);
proxy = gst_proxy_pad_get_internal (GST_PROXY_PAD (pad));
gst_pad_set_query_function (GST_PAD_CAST (proxy),
proxy_src_pad_query_function);
g_object_unref (proxy);
g_object_unref (target);
link_element_to_tee (tee, queue);
}
static void
link_element_to_tee (GstElement * tee, GstElement * element)
{
GstPad *tee_src = gst_element_get_request_pad (tee, "src_%u");
GstPad *element_sink = gst_element_get_static_pad (element, "sink");
GstPadLinkReturn ret;
GstPadChainFunction old_func;
/*
* HACK Add a custom chain function that does not return error, this way
* we avoid race conditions produced by reconnect events not using the stream
* lock
*/
old_func = GST_PAD_CHAINFUNC (element_sink);
if (old_func != NULL) {
if (old_func != no_fail_chain) {
g_object_set_data (G_OBJECT (element_sink), OLD_CHAIN_KEY, old_func);
}
gst_pad_set_chain_function (element_sink, no_fail_chain);
}
remove_element_on_unlinked (element, "src", "sink");
g_signal_connect (tee_src, "unlinked", G_CALLBACK (remove_tee_pad_on_unlink),
NULL);
gst_pad_add_probe (tee_src, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM, tee_src_probe,
NULL, NULL);
ret = gst_pad_link_full (tee_src, element_sink, GST_PAD_LINK_CHECK_NOTHING);
if (G_UNLIKELY (GST_PAD_LINK_FAILED (ret))) {
GST_ERROR ("Linking %" GST_PTR_FORMAT " with %" GST_PTR_FORMAT " result %d",
tee_src, element_sink, ret);
}
g_object_unref (element_sink);
g_object_unref (tee_src);
}
static void
link_element_to_tee (GstElement * tee, GstElement * element)
{
GstPad *tee_src = gst_element_get_request_pad (tee, "src_%u");
GstPad *element_sink = gst_element_get_static_pad (element, "sink");
GstPadLinkReturn ret;
remove_element_on_unlinked (element, "src", "sink");
g_signal_connect (tee_src, "unlinked", G_CALLBACK (remove_tee_pad_on_unlink),
NULL);
gst_pad_add_probe (tee_src, GST_PAD_PROBE_TYPE_EVENT_UPSTREAM, tee_src_probe,
NULL, NULL);
ret = gst_pad_link_full (tee_src, element_sink, GST_PAD_LINK_CHECK_NOTHING);
if (G_UNLIKELY (GST_PAD_LINK_FAILED (ret))) {
GST_ERROR ("Linking %" GST_PTR_FORMAT " with %" GST_PTR_FORMAT " result %d",
tee_src, element_sink, ret);
}
g_object_unref (element_sink);
g_object_unref (tee_src);
}
