mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
|
/* GStreamer
|
||
|
|
* Copyright (C) 2021 Collabora Ltd.
|
||
|
|
* Author: Nicolas Dufresne <nicolas.dufresne@collabora.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., 51 Franklin St, Fifth Floor,
|
||
|
|
* Boston, MA 02110-1301, USA.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __GST_VIDEO_CODEC_ALPHA_META_H__
|
||
|
|
#define __GST_VIDEO_CODEC_ALPHA_META_H__
|
||
|
|
|
||
|
|
#include <gst/gst.h>
|
||
|
|
#include <gst/video/video.h>
|
||
|
|
|
||
|
|
G_BEGIN_DECLS
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GST_VIDEO_CODEC_ALPHA_META_API_TYPE:
|
||
|
|
*
|
||
|
|
* Since: 1.20
|
||
|
|
*/
|
||
|
|
#define GST_VIDEO_CODEC_ALPHA_META_API_TYPE (gst_video_codec_alpha_meta_api_get_type())
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GST_VIDEO_CODEC_ALPHA_META_INFO:
|
||
|
|
*
|
||
|
|
* Since: 1.20
|
||
|
|
*/
|
||
|
|
#define GST_VIDEO_CODEC_ALPHA_META_INFO (gst_video_codec_alpha_meta_get_info())
|
||
|
|
|
||
|
|
typedef struct _GstVideoCodecAlphaMeta GstVideoCodecAlphaMeta;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* GstVideoCodecAlphaMeta:
|
||
|
|
* @meta: parent #GstMeta
|
||
|
|
* @buffer: the encoded alpha frame
|
||
|
|
*
|
||
|
|
* Encapsulate an extra frame containing the encoded alpha channel for the
|
||
|
|
* currently negotiated CODEC. The streams must be of the same dimention as
|
||
|
|
* the original one.
|
||
|
|
*
|
||
|
|
* Since: 1.20
|
||
|
|
*/
|
||
|
|
struct _GstVideoCodecAlphaMeta
|
||
|
|
{
|
||
|
|
GstMeta meta;
|
||
|
|
|
||
|
|
GstBuffer *buffer;
|
||
|
|
};
|
||
|
|
|
||
|
|
GST_VIDEO_API
|
||
|
|
GType gst_video_codec_alpha_meta_api_get_type (void);
|
||
|
|
|
||
|
|
GST_VIDEO_API
|
||
|
|
const GstMetaInfo *gst_video_codec_alpha_meta_get_info (void);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* gst_buffer_get_video_codec_alpha_meta:
|
||
|
|
* @b: A #GstBuffer pointer, must be writable.
|
||
|
|
*
|
||
|
|
* Helper macro to get #GstVideoCodecAlphaMeta from an existing #GstBuffer.
|
||
|
|
*
|
||
|
|
* Returns: (nullable): the #GstVideoCodecAlphaMeta pointer, or %NULL if none.
|
||
|
|
*
|
||
|
|
* Since: 1.20
|
||
|
|
*/
|
||
|
|
#define gst_buffer_get_video_codec_alpha_meta(b) \
|
||
|
|
((GstVideoCodecAlphaMeta *)gst_buffer_get_meta((b),GST_VIDEO_CODEC_ALPHA_META_API_TYPE))
|
||
|
|
|
||
|
|
GST_VIDEO_API
|
||
|
|
GstVideoCodecAlphaMeta *gst_buffer_add_video_codec_alpha_meta (GstBuffer * buffer,
|
||
|
|
GstBuffer * alpha_buffer);
|
||
|
|
|
||
|
|
G_END_DECLS
|
||
|
|
|
||
|
|
#endif /* __GST_VIDEO_CODEC_ALPHA_META_H__ */
|