mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-02 04:35:55 +00:00
9b7b1794bc
Original commit message from CVS: Added code for sending an event to a pad. Added code to handle the event in fakesrc and fakesink.
97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/* GStreamer
|
|
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
|
* 2000 Wim Taymans <wim.taymans@chello.be>
|
|
*
|
|
* gstevent.h: Header for GstEvent subsystem
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
|
|
#include "gst/gstinfo.h"
|
|
#include "gst/gstevent.h"
|
|
|
|
GType _gst_event_type;
|
|
|
|
static GMemChunk *_gst_event_chunk;
|
|
static GMutex *_gst_event_chunk_lock;
|
|
|
|
void
|
|
_gst_event_initialize (void)
|
|
{
|
|
gint eventsize = sizeof(GstEvent);
|
|
static const GTypeInfo event_info = {
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
0,
|
|
0,
|
|
NULL,
|
|
};
|
|
|
|
// round up to the nearest 32 bytes for cache-line and other efficiencies
|
|
eventsize = (((eventsize-1) / 32) + 1) * 32;
|
|
|
|
_gst_event_chunk = g_mem_chunk_new ("GstEvent", eventsize,
|
|
eventsize * 32, G_ALLOC_AND_FREE);
|
|
|
|
_gst_event_chunk_lock = g_mutex_new ();
|
|
|
|
// register the type
|
|
_gst_event_type = g_type_register_static (G_TYPE_INT, "GstEvent", &event_info, 0);
|
|
}
|
|
|
|
GstEvent*
|
|
gst_event_new (GstEventType type)
|
|
{
|
|
GstEvent *event;
|
|
|
|
g_mutex_lock (_gst_event_chunk_lock);
|
|
event = g_mem_chunk_alloc (_gst_event_chunk);
|
|
g_mutex_unlock (_gst_event_chunk_lock);
|
|
GST_INFO (GST_CAT_EVENT, "creating new event %p", event);
|
|
|
|
GST_DATA_TYPE (event) = _gst_event_type;
|
|
GST_EVENT_TYPE (event) = type;
|
|
|
|
return event;
|
|
}
|
|
|
|
void
|
|
gst_event_free (GstEvent* event)
|
|
{
|
|
g_mutex_lock (_gst_event_chunk_lock);
|
|
g_mem_chunk_free (_gst_event_chunk, event);
|
|
g_mutex_unlock (_gst_event_chunk_lock);
|
|
}
|
|
|
|
/* seek stuff */
|
|
GstEvent*
|
|
gst_event_new_seek (GstSeekType type, guint64 offset, gboolean flush)
|
|
{
|
|
GstEvent *event;
|
|
|
|
event = gst_event_new (GST_EVENT_SEEK);
|
|
GST_EVENT_SEEK_TYPE (event) = type;
|
|
GST_EVENT_SEEK_OFFSET (event) = offset;
|
|
GST_EVENT_SEEK_FLUSH (event) = flush;
|
|
|
|
return event;
|
|
}
|