void gst_gl_src_bin_finish_init_with_element (GstGLSrcBin * self, GstElement * element) { g_return_if_fail (GST_IS_ELEMENT (element)); self->src = element; if (!_connect_src_element (self)) { gst_object_unref (self->src); self->src = NULL; } }
static GstStateChangeReturn gst_gl_src_bin_change_state (GstElement * element, GstStateChange transition) { GstGLSrcBin *self = GST_GL_SRC_BIN (element); GstGLSrcBinClass *klass = GST_GL_SRC_BIN_GET_CLASS (self); GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; GST_DEBUG ("changing state: %s => %s", gst_element_state_get_name (GST_STATE_TRANSITION_CURRENT (transition)), gst_element_state_get_name (GST_STATE_TRANSITION_NEXT (transition))); switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: if (!self->src) { if (klass->create_element) self->src = klass->create_element (); if (!self->src) { g_signal_emit (element, gst_gl_src_bin_signals[SIGNAL_CREATE_ELEMENT], 0, &self->src); if (self->src && g_object_is_floating (self->src)) gst_object_ref_sink (self->src); } if (!self->src) { GST_ERROR_OBJECT (element, "Failed to retrieve element"); return GST_STATE_CHANGE_FAILURE; } if (!_connect_src_element (self)) return GST_STATE_CHANGE_FAILURE; } break; default: break; } ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); if (ret == GST_STATE_CHANGE_FAILURE) return ret; switch (transition) { default: break; } return ret; }
static void gst_gl_src_bin_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstGLSrcBin *self = GST_GL_SRC_BIN (object); switch (prop_id) { case PROP_SRC: { GstElement *src = g_value_get_object (value); if (self->src) gst_bin_remove (GST_BIN (self), self->src); self->src = src; if (src) _connect_src_element (self); break; } default: if (self->src) g_object_set_property (G_OBJECT (self->src), pspec->name, value); break; } }
/* * @src: (transfer full): */ static gboolean gst_gl_src_bin_set_src (GstGLSrcBin * self, GstElement * src) { g_return_val_if_fail (GST_IS_ELEMENT (src), FALSE); if (self->src) { gst_element_set_locked_state (self->src, TRUE); gst_bin_remove (GST_BIN (self), self->src); gst_element_set_state (self->src, GST_STATE_NULL); gst_object_unref (self->src); self->src = NULL; } self->src = src; if (src && g_object_is_floating (src)) gst_object_ref_sink (src); if (src && !_connect_src_element (self)) { self->src = NULL; return FALSE; } return TRUE; }