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/* GStreamer
* Copyright (C) 2017 Matthew Waters <matthew@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 __WEBRTC_UTILS_H__
#define __WEBRTC_UTILS_H__
#include <gst/gst.h>
#include <gst/webrtc/webrtc.h>
#include "fwd.h"
G_BEGIN_DECLS
GstPadTemplate * _find_pad_template (GstElement * element,
GstPadDirection direction,
GstPadPresence presence,
const gchar * name);
GstSDPMessage * _get_latest_sdp (GstWebRTCBin * webrtc);
GstSDPMessage * _get_latest_offer (GstWebRTCBin * webrtc);
GstSDPMessage * _get_latest_answer (GstWebRTCBin * webrtc);
GstSDPMessage * _get_latest_self_generated_sdp (GstWebRTCBin * webrtc);
GstWebRTCICEStream * _find_ice_stream_for_session (GstWebRTCBin * webrtc,
guint session_id);
void _add_ice_stream_item (GstWebRTCBin * webrtc,
guint session_id,
GstWebRTCICEStream * stream);
struct pad_block
{
GstElement *element;
GstPad *pad;
gulong block_id;
gpointer user_data;
GDestroyNotify notify;
};
void _free_pad_block (struct pad_block *block);
struct pad_block * _create_pad_block (GstElement * element,
GstPad * pad,
gulong block_id,
gpointer user_data,
GDestroyNotify notify);
G_GNUC_INTERNAL
const gchar * _enum_value_to_string (GType type, guint value);
G_GNUC_INTERNAL
const gchar * _g_checksum_to_webrtc_string (GChecksumType type);
G_GNUC_INTERNAL
void _remove_optional_offer_fields (GstCaps *offer_caps);
G_GNUC_INTERNAL
GstCaps * _rtp_caps_from_media (const GstSDPMedia * media);
G_GNUC_INTERNAL
GstWebRTCKind webrtc_kind_from_caps (const GstCaps * caps);
G_GNUC_INTERNAL
char * _get_msid_from_media (const GstSDPMedia * media);
#define gst_webrtc_kind_to_string(kind) _enum_value_to_string(GST_TYPE_WEBRTC_KIND, kind)
#define gst_webrtc_rtp_transceiver_direction_to_string(dir) _enum_value_to_string(GST_TYPE_WEBRTC_RTP_TRANSCEIVER_DIRECTION, dir)
G_END_DECLS
#endif /* __WEBRTC_UTILS_H__ */
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