gstreamer/gst-libs/gst/rtp/gstrtpmeta.h

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/* GStreamer
* Copyright (C) <2016> Stian Selnes <stian@pexip.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_RTP_META_H__
#define __GST_RTP_META_H__
#include <gst/gst.h>
#include <gst/rtp/rtp-prelude.h>
G_BEGIN_DECLS
#define GST_RTP_SOURCE_META_API_TYPE (gst_rtp_source_meta_api_get_type())
#define GST_RTP_SOURCE_META_INFO (gst_rtp_source_meta_get_info())
typedef struct _GstRTPSourceMeta GstRTPSourceMeta;
#define GST_RTP_SOURCE_META_MAX_CSRC_COUNT 15
/**
* GstRTPSourceMeta:
* @meta: parent #GstMeta
* @ssrc: the SSRC
* @ssrc_valid: whether @ssrc is set and valid
* @csrc: (allow-none): pointer to the CSRCs
* @csrc_count: number of elements in @csrc
*
* Meta describing the source(s) of the buffer.
*
* Since: 1.16
*/
struct _GstRTPSourceMeta
{
GstMeta meta;
guint32 ssrc;
gboolean ssrc_valid;
guint32 csrc[GST_RTP_SOURCE_META_MAX_CSRC_COUNT];
guint csrc_count;
};
GST_RTP_API
GType gst_rtp_source_meta_api_get_type (void);
GST_RTP_API
GstRTPSourceMeta * gst_buffer_add_rtp_source_meta (GstBuffer * buffer, const guint32 * ssrc,
const guint32 * csrc, guint csrc_count);
GST_RTP_API
GstRTPSourceMeta * gst_buffer_get_rtp_source_meta (GstBuffer * buffer);
GST_RTP_API
guint gst_rtp_source_meta_get_source_count (const GstRTPSourceMeta * meta);
GST_RTP_API
gboolean gst_rtp_source_meta_set_ssrc (GstRTPSourceMeta * meta, guint32 * ssrc);
GST_RTP_API
gboolean gst_rtp_source_meta_append_csrc (GstRTPSourceMeta * meta,
const guint32 * csrc, guint csrc_count);
GST_RTP_API
const GstMetaInfo * gst_rtp_source_meta_get_info (void);
G_END_DECLS
#endif /* __GST_RTP_META_H__ */