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/* vim: set filetype=c: */
% ClassName
GstBaseSink
% TYPE_CLASS_NAME
GST_TYPE_BASE_SINK
% pads
sinkpad-simple
% pkg-config
gstreamer-base-1.0
% includes
#include <gst/base/gstbasesink.h>
% prototypes
static GstCaps *gst_replace_get_caps (GstBaseSink * sink, GstCaps * filter);
static gboolean gst_replace_set_caps (GstBaseSink * sink, GstCaps * caps);
static GstCaps *gst_replace_fixate (GstBaseSink * sink, GstCaps * caps);
static gboolean gst_replace_activate_pull (GstBaseSink * sink, gboolean active);
static void gst_replace_get_times (GstBaseSink * sink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end);
static gboolean gst_replace_propose_allocation (GstBaseSink * sink,
GstQuery * query);
static gboolean gst_replace_start (GstBaseSink * sink);
static gboolean gst_replace_stop (GstBaseSink * sink);
static gboolean gst_replace_unlock (GstBaseSink * sink);
static gboolean gst_replace_unlock_stop (GstBaseSink * sink);
static gboolean gst_replace_query (GstBaseSink * sink, GstQuery * query);
static gboolean gst_replace_event (GstBaseSink * sink, GstEvent * event);
static GstFlowReturn gst_replace_wait_event (GstBaseSink * sink,
GstEvent * event);
static GstFlowReturn gst_replace_prepare (GstBaseSink * sink,
GstBuffer * buffer);
static GstFlowReturn gst_replace_prepare_list (GstBaseSink * sink,
GstBufferList * buffer_list);
static GstFlowReturn gst_replace_preroll (GstBaseSink * sink,
GstBuffer * buffer);
static GstFlowReturn gst_replace_render (GstBaseSink * sink,
GstBuffer * buffer);
static GstFlowReturn gst_replace_render_list (GstBaseSink * sink,
GstBufferList * buffer_list);
% declare-class
GstBaseSinkClass *base_sink_class = GST_BASE_SINK_CLASS (klass);
% set-methods
base_sink_class->get_caps = GST_DEBUG_FUNCPTR (gst_replace_get_caps);
base_sink_class->set_caps = GST_DEBUG_FUNCPTR (gst_replace_set_caps);
base_sink_class->fixate = GST_DEBUG_FUNCPTR (gst_replace_fixate);
base_sink_class->activate_pull = GST_DEBUG_FUNCPTR (gst_replace_activate_pull);
base_sink_class->get_times = GST_DEBUG_FUNCPTR (gst_replace_get_times);
base_sink_class->propose_allocation = GST_DEBUG_FUNCPTR (gst_replace_propose_allocation);
base_sink_class->start = GST_DEBUG_FUNCPTR (gst_replace_start);
base_sink_class->stop = GST_DEBUG_FUNCPTR (gst_replace_stop);
base_sink_class->unlock = GST_DEBUG_FUNCPTR (gst_replace_unlock);
base_sink_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_replace_unlock_stop);
base_sink_class->query = GST_DEBUG_FUNCPTR (gst_replace_query);
base_sink_class->event = GST_DEBUG_FUNCPTR (gst_replace_event);
base_sink_class->wait_event = GST_DEBUG_FUNCPTR (gst_replace_wait_event);
base_sink_class->prepare = GST_DEBUG_FUNCPTR (gst_replace_prepare);
base_sink_class->prepare_list = GST_DEBUG_FUNCPTR (gst_replace_prepare_list);
base_sink_class->preroll = GST_DEBUG_FUNCPTR (gst_replace_preroll);
base_sink_class->render = GST_DEBUG_FUNCPTR (gst_replace_render);
base_sink_class->render_list = GST_DEBUG_FUNCPTR (gst_replace_render_list);
% methods
static GstCaps *
gst_replace_get_caps (GstBaseSink * sink, GstCaps * filter)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "get_caps");
return NULL;
}
/* notify subclass of new caps */
static gboolean
gst_replace_set_caps (GstBaseSink * sink, GstCaps * caps)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "set_caps");
return TRUE;
}
/* fixate sink caps during pull-mode negotiation */
static GstCaps *
gst_replace_fixate (GstBaseSink * sink, GstCaps * caps)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "fixate");
return NULL;
}
/* start or stop a pulling thread */
static gboolean
gst_replace_activate_pull (GstBaseSink * sink, gboolean active)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "activate_pull");
return TRUE;
}
/* get the start and end times for syncing on this buffer */
static void
gst_replace_get_times (GstBaseSink * sink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "get_times");
}
/* propose allocation parameters for upstream */
static gboolean
gst_replace_propose_allocation (GstBaseSink * sink, GstQuery * query)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "propose_allocation");
return TRUE;
}
/* start and stop processing, ideal for opening/closing the resource */
static gboolean
gst_replace_start (GstBaseSink * sink)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "start");
return TRUE;
}
static gboolean
gst_replace_stop (GstBaseSink * sink)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "stop");
return TRUE;
}
/* unlock any pending access to the resource. subclasses should unlock
* any function ASAP. */
static gboolean
gst_replace_unlock (GstBaseSink * sink)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "unlock");
return TRUE;
}
/* Clear a previously indicated unlock request not that unlocking is
* complete. Sub-classes should clear any command queue or indicator they
* set during unlock */
static gboolean
gst_replace_unlock_stop (GstBaseSink * sink)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "unlock_stop");
return TRUE;
}
/* notify subclass of query */
static gboolean
gst_replace_query (GstBaseSink * sink, GstQuery * query)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "query");
return TRUE;
}
/* notify subclass of event */
static gboolean
gst_replace_event (GstBaseSink * sink, GstEvent * event)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "event");
return TRUE;
}
/* wait for eos or gap, subclasses should chain up to parent first */
static GstFlowReturn
gst_replace_wait_event (GstBaseSink * sink, GstEvent * event)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "wait_event");
return GST_FLOW_OK;
}
/* notify subclass of buffer or list before doing sync */
static GstFlowReturn
gst_replace_prepare (GstBaseSink * sink, GstBuffer * buffer)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "prepare");
return GST_FLOW_OK;
}
static GstFlowReturn
gst_replace_prepare_list (GstBaseSink * sink, GstBufferList * buffer_list)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "prepare_list");
return GST_FLOW_OK;
}
/* notify subclass of preroll buffer or real buffer */
static GstFlowReturn
gst_replace_preroll (GstBaseSink * sink, GstBuffer * buffer)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "preroll");
return GST_FLOW_OK;
}
static GstFlowReturn
gst_replace_render (GstBaseSink * sink, GstBuffer * buffer)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "render");
return GST_FLOW_OK;
}
/* Render a BufferList */
static GstFlowReturn
gst_replace_render_list (GstBaseSink * sink, GstBufferList * buffer_list)
{
GstReplace *replace = GST_REPLACE (sink);
GST_DEBUG_OBJECT (replace, "render_list");
return GST_FLOW_OK;
}
% end
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