mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-09 10:59:39 +00:00
83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
|
/* GStreamer
|
||
|
|
* Copyright (C) <2011> Wim Taymans <wim.taymans@gmail.com>
|
||
|
|
*
|
||
|
|
* 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_VIDEO_H__
|
||
|
|
#define __GST_META_VIDEO_H__
|
||
|
|
|
||
|
|
#include <gst/gst.h>
|
||
|
|
|
||
|
|
#include <gst/video/video.h>
|
||
|
|
|
||
|
|
G_BEGIN_DECLS
|
||
|
|
|
||
|
|
#define GST_META_API_VIDEO "GstMetaVideo"
|
||
|
|
#define GST_META_INFO_VIDEO (gst_meta_video_get_info())
|
||
|
|
|
||
|
|
typedef struct _GstMetaVideo GstMetaVideo;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GstMetaVideo:
|
||
|
|
* @meta: parent #GstMeta
|
||
|
|
* @flags: additional video flags
|
||
|
|
* @n_planes: the number of planes in the image
|
||
|
|
* @offset: array of offsets for the planes
|
||
|
|
* @stride: array of strides for the planes
|
||
|
|
* @map: map the memory of a plane
|
||
|
|
* @unmap: unmap the memory of a plane
|
||
|
|
*
|
||
|
|
* Extra buffer metadata describing image properties
|
||
|
|
*/
|
||
|
|
struct _GstMetaVideo {
|
||
|
|
GstMeta meta;
|
||
|
|
|
||
|
|
GstBuffer *buffer;
|
||
|
|
|
||
|
|
GstVideoFlags flags;
|
||
|
|
GstVideoFormat format;
|
||
|
|
guint width;
|
||
|
|
guint height;
|
||
|
|
|
||
|
|
guint n_planes;
|
||
|
|
gsize offset[GST_VIDEO_MAX_PLANES];
|
||
|
|
gint stride[GST_VIDEO_MAX_PLANES];
|
||
|
|
|
||
|
|
gpointer (*map) (GstMetaVideo *meta, guint plane, gint *stride,
|
||
|
|
GstMapFlags flags);
|
||
|
|
gboolean (*unmap) (GstMetaVideo *meta, guint plane, gpointer data);
|
||
|
|
};
|
||
|
|
|
||
|
|
const GstMetaInfo * gst_meta_video_get_info (void);
|
||
|
|
|
||
|
|
#define gst_buffer_get_meta_video(b) ((GstMetaVideo*)gst_buffer_get_meta((b),GST_META_INFO_VIDEO))
|
||
|
|
GstMetaVideo * gst_buffer_add_meta_video (GstBuffer *buffer, GstVideoFlags flags,
|
||
|
|
GstVideoFormat format, guint width, guint height);
|
||
|
|
GstMetaVideo * gst_buffer_add_meta_video_full (GstBuffer *buffer, GstVideoFlags flags,
|
||
|
|
GstVideoFormat format, guint width, guint height,
|
||
|
|
guint n_planes, gsize offset[GST_VIDEO_MAX_PLANES],
|
||
|
|
gint stride[GST_VIDEO_MAX_PLANES]);
|
||
|
|
|
||
|
|
gpointer gst_meta_video_map (GstMetaVideo *meta, guint plane, gint *stride,
|
||
|
|
GstMapFlags flags);
|
||
|
|
gboolean gst_meta_video_unmap (GstMetaVideo *meta, guint plane, gpointer data);
|
||
|
|
|
||
|
|
|
||
|
|
G_END_DECLS
|
||
|
|
|
||
|
|
#endif /* __GST_META_VIDEO_H__ */
|