/*

 * fs-rtp-codec-specific.h - Per-codec SDP negotiation

 *

 * Farstream RTP/AVP/SAVP/AVPF Module

 * Copyright (C) 2007-2010 Collabora Ltd.

 * Copyright (C) 2007-2010 Nokia Corporation

 *   @author Olivier Crete <olivier.crete@collabora.co.uk>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA

 */

#ifndef __FS_RTP_SPECIFIC_NEGO_H__

#define __FS_RTP_SPECIFIC_NEGO_H__

#include <glib.h>

#include <gst/gst.h>

#include <farstream/fs-codec.h>

G_BEGIN_DECLS

/*

 * These are the basic types:

 *

 * @FS_PARAM_TYPE_SEND: The parameter define what we are allowed to send

 * @FS_PARAM_TYPE_RECV: The parameter defines what will be received,

 * @FS_PARAM_TYPE_CONFIG: The parameter is some configuration that must be

 *  fed to the decoder to be able to decode the stream

 * @FS_PARAM_TYPE_SEND_AVOID_NEGO: The parameter is not negotiated and can

 *  be different on both sides

 * @FS_PARAM_TYPE_MANDATORY: This parameter is mandatory and the codec's

 *  definition is not useful without it.

 */

typedef enum {

  FS_PARAM_TYPE_SEND = 1 << 0,

  FS_PARAM_TYPE_RECV = 1 << 1,

  FS_PARAM_TYPE_BOTH = FS_PARAM_TYPE_SEND | FS_PARAM_TYPE_RECV,

  FS_PARAM_TYPE_CONFIG = 1 << 2,

  FS_PARAM_TYPE_SEND_AVOID_NEGO = 1 << 3,

  FS_PARAM_TYPE_MANDATORY = 1 << 4,

  FS_PARAM_TYPE_ALL = FS_PARAM_TYPE_BOTH | FS_PARAM_TYPE_CONFIG

  | FS_PARAM_TYPE_SEND_AVOID_NEGO

} FsParamType;

FsCodec *

sdp_negotiate_codec (FsCodec *local_recv_codec, FsParamType local_paramtypes,

    FsCodec *remote_codec, FsParamType remote_paramtypes);

gboolean

codec_needs_config (FsCodec *codec);

gboolean

codec_has_config_data_named (FsCodec *codec, const gchar *name);

FsCodec *

codec_copy_filtered (FsCodec *codec, FsParamType types);

GList *

codecs_list_has_codec_config_changed (GList *old, GList *new);

G_END_DECLS

#endif