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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/* vim: set filetype=c: */
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% ClassName
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GstElement
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% TYPE_CLASS_NAME
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GST_TYPE_ELEMENT
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% pads
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sinkpad srcpad
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% pkg-config
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gstreamer-1.0
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% includes
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#include <gst/gst.h>
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% prototypes
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static GstPad *gst_replace_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name);
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static void gst_replace_release_pad (GstElement * element, GstPad * pad);
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static GstStateChangeReturn
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gst_replace_change_state (GstElement * element, GstStateChange transition);
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static GstClock *gst_replace_provide_clock (GstElement * element);
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static gboolean gst_replace_set_clock (GstElement * element, GstClock * clock);
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static GstIndex *gst_replace_get_index (GstElement * element);
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static void gst_replace_set_index (GstElement * element, GstIndex * index);
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static gboolean gst_replace_send_event (GstElement * element, GstEvent * event);
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static gboolean gst_replace_query (GstElement * element, GstQuery * query);
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% declare-class
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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% set-methods
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element_class->request_new_pad = GST_DEBUG_FUNCPTR (gst_replace_request_new_pad);
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element_class->release_pad = GST_DEBUG_FUNCPTR (gst_replace_release_pad);
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element_class->change_state = GST_DEBUG_FUNCPTR (gst_replace_change_state);
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element_class->provide_clock = GST_DEBUG_FUNCPTR (gst_replace_provide_clock);
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element_class->set_clock = GST_DEBUG_FUNCPTR (gst_replace_set_clock);
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element_class->get_index = GST_DEBUG_FUNCPTR (gst_replace_get_index);
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element_class->set_index = GST_DEBUG_FUNCPTR (gst_replace_set_index);
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element_class->send_event = GST_DEBUG_FUNCPTR (gst_replace_send_event);
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element_class->query = GST_DEBUG_FUNCPTR (gst_replace_query);
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% methods
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static GstPad *
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gst_replace_request_new_pad (GstElement * element, GstPadTemplate * templ,
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const gchar * name)
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{
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return NULL;
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}
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static void
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gst_replace_release_pad (GstElement * element, GstPad * pad)
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{
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}
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static GstStateChangeReturn
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gst_replace_change_state (GstElement * element, GstStateChange transition)
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{
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GstReplace *replace;
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GstStateChangeReturn ret;
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g_return_val_if_fail (GST_IS_REPLACE (element), GST_STATE_CHANGE_FAILURE);
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replace = GST_REPLACE (element);
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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break;
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case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
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break;
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default:
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break;
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}
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ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
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case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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break;
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default:
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break;
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}
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return ret;
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}
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static GstClock *
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gst_replace_provide_clock (GstElement * element)
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{
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return NULL;
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}
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static gboolean
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gst_replace_set_clock (GstElement * element, GstClock * clock)
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{
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return GST_ELEMENT_CLASS (parent_class)->set_clock (element, clock);
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}
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static GstIndex *
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gst_replace_get_index (GstElement * element)
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{
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return NULL;
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}
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static void
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gst_replace_set_index (GstElement * element, GstIndex * index)
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{
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}
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static gboolean
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gst_replace_send_event (GstElement * element, GstEvent * event)
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{
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return TRUE;
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}
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static gboolean
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gst_replace_query (GstElement * element, GstQuery * query)
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{
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GstReplace *replace = GST_REPLACE (element);
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gboolean ret;
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GST_DEBUG_OBJECT (replace, "query");
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switch (GST_QUERY_TYPE (query)) {
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default:
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ret = GST_ELEMENT_CLASS (parent_class)->query (element, query);
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break;
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}
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return ret;
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}
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% end
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