mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
d634b3e6d9
Rename very long structure name to GstVideoAlignment Add the implementation of the video alignment config setter and getters.
74 lines
2.4 KiB
C
74 lines
2.4 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_VIDEO_POOL_H__
|
|
#define __GST_VIDEO_POOL_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
#include <gst/video/video.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GST_BUFFER_POOL_OPTION_META_VIDEO:
|
|
*
|
|
* An option that can be activated on bufferpool to request video metadata
|
|
* on buffers from the pool.
|
|
*/
|
|
#define GST_BUFFER_POOL_OPTION_META_VIDEO "GstBufferPoolOptionMetaVideo"
|
|
|
|
/**
|
|
* GST_BUFFER_POOL_OPTION_VIDEO_LAYOUT:
|
|
*
|
|
* A bufferpool option to enable extra padding. When a bufferpool supports this
|
|
* option, gst_buffer_pool_set_video_alignment() can be called.
|
|
*/
|
|
#define GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT "GstBufferPoolOptionVideoAlignment"
|
|
|
|
typedef struct _GstVideoAlignment GstVideoAlignment;
|
|
|
|
/**
|
|
* GstVideoAlignment:
|
|
* @padding_left: extra pixels on the left side
|
|
* @padding_right: extra pixels on the right side
|
|
* @padding_top: extra pixels on the top
|
|
* @padding_bottom: extra pixels on the bottom
|
|
* @stride_align: array with extra alignment requirements for the strides
|
|
*
|
|
* Extra alignment paramters for the memory of video buffers. This
|
|
* structure is usually used to configure the bufferpool if it supports the
|
|
* #GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT.
|
|
*/
|
|
struct _GstVideoAlignment
|
|
{
|
|
guint padding_top;
|
|
guint padding_bottom;
|
|
guint padding_left;
|
|
guint padding_right;
|
|
guint stride_align[GST_VIDEO_MAX_PLANES];
|
|
};
|
|
|
|
void gst_buffer_pool_config_set_video_alignment (GstStructure *config, GstVideoAlignment *align);
|
|
gboolean gst_buffer_pool_config_get_video_alignment (GstStructure *config, GstVideoAlignment *align);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_VIDEO_POOL_H__ */
|