mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-22 17:51:16 +00:00
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
|
/* Gnome-Streamer
|
||
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||
|
|
*
|
||
|
|
* 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_META_H__
|
||
|
|
#define __GST_META_H__
|
||
|
|
|
||
|
|
#include <glib.h>
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
|
||
|
|
#define GST_META(meta) ((GstMeta *)(meta))
|
||
|
|
|
||
|
|
|
||
|
|
#define GST_META_FLAGS(buf) \
|
||
|
|
(GST_META(buf)->flags)
|
||
|
|
#define GST_META_FLAG_IS_SET(meta,flag) \
|
||
|
|
(GST_META_FLAGS(meta) & (flag))
|
||
|
|
#define GST_META_FLAG_SET(meta,flag) \
|
||
|
|
G_STMT_START{ (GST_META_FLAGS(meta) |= (flag)); }G_STMT_END
|
||
|
|
#define GST_META_FLAG_UNSET(meta,flag) \
|
||
|
|
G_STMT_START{ (GST_META_FLAGS(meta) &= ~(flag)); }G_STMT_END
|
||
|
|
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
GST_META_FREEABLE = 1 << 0,
|
||
|
|
} GstMetaFlags;
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct _GstMeta GstMeta;
|
||
|
|
|
||
|
|
struct _GstMeta {
|
||
|
|
/* locking */
|
||
|
|
GMutex *lock;
|
||
|
|
|
||
|
|
/* refcounting */
|
||
|
|
#ifdef HAVE_ATOMIC_H
|
||
|
|
atomic_t refcount;
|
||
|
|
#else
|
||
|
|
int refcount;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
guint16 type;
|
||
|
|
guint16 flags;
|
||
|
|
|
||
|
|
void *data;
|
||
|
|
guint16 size;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
GstMeta *gst_meta_new_size(gint size);
|
||
|
|
#define gst_meta_new(type) (type *)gst_meta_new_size(sizeof(type))
|
||
|
|
|
||
|
|
/* refcounting */
|
||
|
|
void gst_meta_ref(GstMeta *meta);
|
||
|
|
void gst_meta_unref(GstMeta *meta);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __GST_BUFFER_H__ */
|
||
|
|
|