gstreamer/subprojects/gst-plugins-bad/ext/ttml/subtitlemeta.h

66 lines
2 KiB
C

/* GStreamer
* Copyright (C) <2015> British Broadcasting Corporation
* Author: Chris Bass <dash@rd.bbc.co.uk>
*
* 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_SUBTITLE_META_H__
#define __GST_SUBTITLE_META_H__
#include <gst/gst.h>
#include "subtitle.h"
G_BEGIN_DECLS
typedef struct _GstSubtitleMeta GstSubtitleMeta;
/**
* GstSubtitleMeta:
* @meta: The parent #GstMeta.
* @regions: The #GstSubtitleRegions containing layout and styling information
* needed to render the subtitle text contained in the associated #GstBuffer.
*
* Metadata type that describes the layout and styling of subtitle text
* contained in a #GstBuffer.
*/
struct _GstSubtitleMeta {
GstMeta meta;
GPtrArray *regions;
};
GType gst_subtitle_meta_api_get_type (void);
#define GST_SUBTITLE_META_API_TYPE (gst_subtitle_meta_api_get_type())
#define gst_buffer_get_subtitle_meta(b) \
((GstSubtitleMeta*)gst_buffer_get_meta ((b), GST_SUBTITLE_META_API_TYPE))
#define GST_SUBTITLE_META_INFO (gst_subtitle_meta_get_info())
gboolean gst_subtitle_meta_init (GstMeta * meta, gpointer params,
GstBuffer * buffer);
void gst_subtitle_meta_free (GstMeta * meta, GstBuffer * buffer);
const GstMetaInfo * gst_subtitle_meta_get_info (void);
GstSubtitleMeta * gst_buffer_add_subtitle_meta (GstBuffer * buffer,
GPtrArray * regions);
G_END_DECLS
#endif /* __GST_SUBTITLE_META_H__ */