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 *
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 *
 *  By downloading, copying, installing or using the software you agree to this license.
 *  If you do not agree to this license, do not download, install, 
 *  copy or use the software.
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 *  Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
 *
 *  Redistribution and use in binary forms, with or without modification, are permitted.
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 *  Unless required by applicable law or agreed to in writing, software distributed 
 *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
 *  language governing permissions and limitations under the License.
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#ifndef SUA_SDP_H
#define SUA_SDP_H

#define SDP_SENDRECV_NULL		0
#define SDP_SENDRECV_TXONLY		1
#define SDP_SENDRECV_RXONLY		2
#define SDP_SENDRECV_TXRX		3

#define SDP_MEDIA_NULL			0
#define SDP_MEDIA_AUDIO			1
#define SDP_MEDIA_VIDEO			2
#define SDP_MEDIA_DATA			3

#define SDP_MAX_NUM				8

typedef struct sdp_info
{
	uint32	is_valid	: 1;	// 有效标识
	uint32	mtype		: 2;
	uint32	sendrecv	: 2;	// a=sendonly, a=recvonly, a=sendrecv
	uint32	rtp_tcp		: 1;	// RTP/AVP; RTP/AVP/TCP
	uint32	resv		: 2;	
	uint32	pt			: 8;	// payload type
	uint32	port		: 16;	// rtp udp port
	char    rtpmap[64];			// a=rtpmap:96 ------ H264/90000
	char    encoder[32];		// H264	PCMA PS G729A
	uint32	hz;					// 采样频率
	uint32	chn;				// 通道数,  视频没有, 音频可能有, 默认是1
	uint32	ptime;				// 音频ptime,多少ms一个包
	uint32	bps;				// 带宽值，TIAS-bps，AS-kbps
	char    desc[256];			// a=fmtp:------
} SDPINFO;

typedef struct lt_rtp_map_entry
{
	uint32	pt			: 8;	// payload type
	uint32	mtype		: 8;
	uint32	channel		: 8;
	uint32	sdp_index	: 8;	// 指示该pt在SUA的SDPINFO数组中的索引，在呼叫建立和更改时，会调整该映射关系
	char    name[16];
	int     hz;
} RTPMAPE;

#ifdef __cplusplus
extern "C" {
#endif



#ifdef __cplusplus
}
#endif


#endif