mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-20 11:00:16 +00:00
e87cd0a29a
These two elements (shmsink and shmsrc) communicate buffers using POSIX shared memory. They also communicate the caps. The source currently acts as a live source and ignores the timestamps coming from the sink. It also does not transfer the tags.
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* GStreamer
|
|
* Copyright (C) <2009> Collabora Ltd
|
|
* @author: Olivier Crete <olivier.crete@collabora.co.uk
|
|
* Copyright (C) <2009> Nokia Inc
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __GST_SHM_SRC_H__
|
|
#define __GST_SHM_SRC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstpushsrc.h>
|
|
#include <gst/base/gstbasesrc.h>
|
|
|
|
G_BEGIN_DECLS
|
|
#define GST_TYPE_SHM_SRC \
|
|
(gst_shm_src_get_type())
|
|
#define GST_SHM_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SHM_SRC,GstShmSrc))
|
|
#define GST_SHM_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SHM_SRC,GstShmSrcClass))
|
|
#define GST_IS_SHM_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SHM_SRC))
|
|
#define GST_IS_SHM_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SHM_SRC))
|
|
typedef struct _GstShmSrc GstShmSrc;
|
|
typedef struct _GstShmSrcClass GstShmSrcClass;
|
|
|
|
struct _GstShmSrc
|
|
{
|
|
GstPushSrc element;
|
|
|
|
gchar *shm_name;
|
|
|
|
int fd;
|
|
struct GstShmHeader *shm_area;
|
|
size_t shm_area_len;
|
|
|
|
guint caps_gen;
|
|
guint buffer_gen;
|
|
|
|
gboolean unlocked;
|
|
};
|
|
|
|
struct _GstShmSrcClass
|
|
{
|
|
GstPushSrcClass parent_class;
|
|
};
|
|
|
|
GType gst_shm_src_get_type (void);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_SHM_SRC_H__ */
|