90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* GStreamer KLV Metadata Support Library
|
|
* Copyright (C) 2016-2019 Tim-Philipp Müller <tim@centricular.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_TAG_KLV_H__
|
|
#define __GST_TAG_KLV_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
// FIXME: include this for now until gst-plugins-base MR124 is accepted
|
|
//#define GST_API_EXPORT __declspec(dllexport) extern
|
|
//#define GST_TAG_API GST_API_EXPORT
|
|
#ifdef BUILDING_GST_KLV
|
|
#define GST_KLV_API __declspec(dllexport) extern
|
|
#else
|
|
#define GST_KLV_API __declspec(dllimport) extern
|
|
#endif
|
|
#define GST_TAG_API GST_KLV_API
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GstKLVMeta:
|
|
*
|
|
* An opaque #GstMeta structure representing a self-contained KLV metadata
|
|
* block that can be attached to buffers.
|
|
*
|
|
* Since: 1.16
|
|
*/
|
|
typedef struct {
|
|
/*< private >*/
|
|
GstMeta meta;
|
|
} GstKLVMeta;
|
|
|
|
GST_TAG_API
|
|
GType gst_klv_meta_get_type (void);
|
|
|
|
#define GST_KLV_META_API_TYPE (gst_klv_meta_api_get_type())
|
|
#define GST_KLV_META_INFO (gst_klv_meta_get_info())
|
|
|
|
GST_TAG_API
|
|
GType gst_klv_meta_api_get_type (void);
|
|
|
|
GST_TAG_API
|
|
const GstMetaInfo * gst_klv_meta_get_info (void);
|
|
|
|
/* Add KLV meta data to a buffer */
|
|
|
|
GST_TAG_API
|
|
GstKLVMeta * gst_buffer_add_klv_meta_from_data (GstBuffer * buffer, const guint8 * data, gsize size);
|
|
|
|
GST_TAG_API
|
|
GstKLVMeta * gst_buffer_add_klv_meta_take_data (GstBuffer * buffer, guint8 * data, gsize size);
|
|
|
|
GST_TAG_API
|
|
GstKLVMeta * gst_buffer_add_klv_meta_from_bytes (GstBuffer * buffer, GBytes * bytes);
|
|
|
|
GST_TAG_API
|
|
GstKLVMeta * gst_buffer_add_klv_meta_take_bytes (GstBuffer * buffer, GBytes * bytes);
|
|
|
|
/* Get KLV meta data from a buffer */
|
|
|
|
GST_TAG_API
|
|
GstKLVMeta * gst_buffer_get_klv_meta (GstBuffer * buffer);
|
|
|
|
GST_TAG_API
|
|
const guint8 * gst_klv_meta_get_data (GstKLVMeta * klv_meta, gsize * size);
|
|
|
|
GST_TAG_API
|
|
GBytes * gst_klv_meta_get_bytes (GstKLVMeta * klv_meta);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_TAG_KLV_H__ */
|