mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-10 03:19:40 +00:00
312 lines
7.6 KiB
C
312 lines
7.6 KiB
C
/* vim: set filetype=c: */
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% instance-members
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GstPad *sinkpad;
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% prototypes
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static GstCaps* gst_replace_sink_getcaps (GstPad *pad);
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static gboolean gst_replace_sink_setcaps (GstPad *pad, GstCaps *caps);
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static gboolean gst_replace_sink_acceptcaps (GstPad *pad, GstCaps *caps);
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static void gst_replace_sink_fixatecaps (GstPad *pad, GstCaps *caps);
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static gboolean gst_replace_sink_activate (GstPad *pad);
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static gboolean gst_replace_sink_activatepush (GstPad *pad, gboolean active);
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static gboolean gst_replace_sink_activatepull (GstPad *pad, gboolean active);
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static GstPadLinkReturn gst_replace_sink_link (GstPad *pad, GstPad *peer);
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static void gst_replace_sink_unlink (GstPad *pad);
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static GstFlowReturn gst_replace_sink_chain (GstPad *pad, GstBuffer *buffer);
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static GstFlowReturn gst_replace_sink_chainlist (GstPad *pad, GstBufferList *bufferlist);
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static gboolean gst_replace_sink_event (GstPad *pad, GstEvent *event);
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static gboolean gst_replace_sink_query (GstPad *pad, GstQuery *query);
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static GstFlowReturn gst_replace_sink_bufferalloc (GstPad *pad, guint64 offset, guint size,
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GstCaps *caps, GstBuffer **buf);
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static GstIterator * gst_replace_sink_iterintlink (GstPad *pad);
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% pad-template
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static GstStaticPadTemplate gst_replace_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/unknown")
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);
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% base-init
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_replace_sink_template));
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% instance-init
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replace->sinkpad = gst_pad_new_from_static_template (&gst_replace_sink_template
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,
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"sink");
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gst_pad_set_getcaps_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_getcaps));
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gst_pad_set_setcaps_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_setcaps));
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gst_pad_set_acceptcaps_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_acceptcaps));
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gst_pad_set_fixatecaps_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_fixatecaps));
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gst_pad_set_activate_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_activate));
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gst_pad_set_activatepush_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_activatepush));
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gst_pad_set_activatepull_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_activatepull));
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gst_pad_set_link_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_link));
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gst_pad_set_unlink_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_unlink));
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gst_pad_set_chain_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_chain));
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gst_pad_set_chain_list_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_chainlist));
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gst_pad_set_event_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_event));
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gst_pad_set_query_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_query));
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gst_pad_set_bufferalloc_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_bufferalloc));
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gst_pad_set_iterate_internal_links_function (replace->sinkpad,
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GST_DEBUG_FUNCPTR(gst_replace_sink_iterintlink));
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gst_element_add_pad (GST_ELEMENT(replace), replace->sinkpad);
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% methods
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static GstCaps*
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gst_replace_sink_getcaps (GstPad *pad)
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{
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GstReplace *replace;
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GstCaps *caps;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "getcaps");
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caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
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gst_object_unref (replace);
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return caps;
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}
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static gboolean
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gst_replace_sink_setcaps (GstPad *pad, GstCaps *caps)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "setcaps");
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gst_object_unref (replace);
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return TRUE;
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}
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static gboolean
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gst_replace_sink_acceptcaps (GstPad *pad, GstCaps *caps)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "acceptcaps");
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gst_object_unref (replace);
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return TRUE;
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}
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static void
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gst_replace_sink_fixatecaps (GstPad *pad, GstCaps *caps)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "fixatecaps");
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gst_object_unref (replace);
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}
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static gboolean
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gst_replace_sink_activate (GstPad *pad)
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{
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GstReplace *replace;
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gboolean ret;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "activate");
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if (gst_pad_check_pull_range (pad)) {
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GST_DEBUG_OBJECT (pad, "activating pull");
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ret = gst_pad_activate_pull (pad, TRUE);
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} else {
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GST_DEBUG_OBJECT (pad, "activating push");
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ret = gst_pad_activate_push (pad, TRUE);
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}
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gst_object_unref (replace);
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return ret;
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}
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static gboolean
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gst_replace_sink_activatepush (GstPad *pad, gboolean active)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "activatepush");
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gst_object_unref (replace);
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return TRUE;
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}
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static gboolean
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gst_replace_sink_activatepull (GstPad *pad, gboolean active)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "activatepull");
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gst_object_unref (replace);
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return TRUE;
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}
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static GstPadLinkReturn
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gst_replace_sink_link (GstPad *pad, GstPad *peer)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "link");
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gst_object_unref (replace);
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return GST_PAD_LINK_OK;
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}
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static void
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gst_replace_sink_unlink (GstPad *pad)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "unlink");
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gst_object_unref (replace);
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}
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static GstFlowReturn
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gst_replace_sink_chain (GstPad *pad, GstBuffer *buffer)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "chain");
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gst_object_unref (replace);
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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gst_replace_sink_chainlist (GstPad *pad, GstBufferList *bufferlist)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "chainlist");
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gst_object_unref (replace);
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return GST_FLOW_OK;
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}
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static gboolean
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gst_replace_sink_event (GstPad *pad, GstEvent *event)
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{
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gboolean res;
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "event");
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switch (GST_EVENT_TYPE (event)) {
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default:
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res = gst_pad_event_default (pad, event);
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break;
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}
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gst_object_unref (replace);
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return res;
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}
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static gboolean
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gst_replace_sink_query (GstPad *pad, GstQuery *query)
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{
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gboolean res;
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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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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res = gst_pad_query_default (pad, query);
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break;
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}
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gst_object_unref (replace);
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return res;
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}
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static GstFlowReturn
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gst_replace_sink_bufferalloc (GstPad *pad, guint64 offset, guint size,
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GstCaps *caps, GstBuffer **buf)
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{
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GstReplace *replace;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "bufferalloc");
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*buf = gst_buffer_new_and_alloc (size);
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gst_buffer_set_caps (*buf, caps);
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gst_object_unref (replace);
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return GST_FLOW_OK;
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}
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static GstIterator *
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gst_replace_sink_iterintlink (GstPad *pad)
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{
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GstReplace *replace;
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GstIterator *iter;
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replace = GST_REPLACE (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT(replace, "iterintlink");
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iter = gst_pad_iterate_internal_links_default (pad);
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gst_object_unref (replace);
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return iter;
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}
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% end
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