void Uridecodebin::pad_to_shmdata_writer(GstElement* bin, GstPad* pad) {
// detecting type of media
bool stream_is_image = false;
std::string padname = get_pad_name(pad);
gchar** padname_split = g_strsplit_set(padname.c_str(), "/", -1);
On_scope_exit { g_strfreev(padname_split); };
stream_is_image = pad_is_image(padname);
g_debug("uridecodebin new pad name is %s", padname.c_str());
GstElement* shmdatasink = nullptr;
GstUtils::make_element("shmdatasink", &shmdatasink);
if (stream_is_image) {
GstElement* decodebin = nullptr;
GstUtils::make_element("decodebin", &decodebin);
g_signal_connect(G_OBJECT(decodebin),
"pad-added",
(GCallback)Uridecodebin::decodebin_pad_added_cb,
(gpointer)this);
g_object_set_data(G_OBJECT(decodebin), "decodebin", decodebin);
g_object_set_data(G_OBJECT(decodebin), "shmdatasink", shmdatasink);
g_object_set_data(G_OBJECT(decodebin), "bin", bin);
gst_bin_add(GST_BIN(bin), decodebin);
GstUtils::sync_state_with_parent(decodebin);
GstPad* sinkpad = gst_element_get_static_pad(decodebin, "sink");
On_scope_exit { gst_object_unref(sinkpad); };
if (GST_PAD_LINK_OK != gst_pad_link(pad, sinkpad))
g_warning("pad link failed from uridecodebin to decodebin (fixed image in uridecodebin)");
} else {
int Uridecodebin::autoplug_continue_cb(GstElement* /*bin */,
GstPad* pad,
GstCaps* caps,
gpointer /*user_data*/) {
GList* list = gst_registry_feature_filter(
gst_registry_get(), (GstPluginFeatureFilter)sink_factory_filter, FALSE, caps);
int length = g_list_length(list);
gst_plugin_feature_list_free(list);
if (length == 0 || pad_is_image(get_pad_name(pad))) return 0;
return 1;
}
void
kms_element_remove_sink_by_type_full (KmsElement * self,
KmsElementPadType type, const gchar * description)
{
gchar *pad_name = get_pad_name (type, description);
GstPad *pad = gst_element_get_static_pad (GST_ELEMENT (self), pad_name);
if (pad == NULL) {
GST_WARNING_OBJECT (self, "Cannot get pad %s", pad_name);
goto end;
}
kms_element_remove_sink (self, pad);
g_object_unref (pad);
end:
g_free (pad_name);
}
GstPad *
kms_element_connect_sink_target_full (KmsElement * self, GstPad * target,
KmsElementPadType type, const gchar * description)
{
GstPad *pad;
gchar *pad_name;
GstPadTemplate *templ;
templ = gst_static_pad_template_get (&sink_factory);
pad_name = get_pad_name (type, description);
pad = gst_ghost_pad_new_from_template (pad_name, target, templ);
g_free (pad_name);
g_object_unref (templ);
if (type == KMS_ELEMENT_PAD_TYPE_VIDEO) {
kms_utils_drop_until_keyframe (pad, TRUE);
kms_utils_manage_gaps (pad);
}
gst_pad_set_query_function (pad, kms_element_pad_query);
gst_pad_add_probe (pad,
GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM | GST_PAD_PROBE_TYPE_EVENT_FLUSH,
accept_eos_probe, self, NULL);
g_signal_connect (G_OBJECT (pad), "unlinked",
G_CALLBACK (send_flush_on_unlink), NULL);
if (GST_STATE (self) >= GST_STATE_PAUSED
|| GST_STATE_PENDING (self) >= GST_STATE_PAUSED
|| GST_STATE_TARGET (self) >= GST_STATE_PAUSED) {
gst_pad_set_active (pad, TRUE);
}
if (gst_element_add_pad (GST_ELEMENT (self), pad)) {
kms_element_set_sink_input_stats (self, pad, type);
return pad;
}
g_object_unref (pad);
return NULL;
}
