77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/***************************************************************************************
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*
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* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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*
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* By downloading, copying, installing or using the software you agree to this license.
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* If you do not agree to this license, do not download, install,
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* copy or use the software.
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*
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* Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
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*
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* Redistribution and use in binary forms, with or without modification, are permitted.
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
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* language governing permissions and limitations under the License.
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*
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****************************************************************************************/
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#ifndef SUA_SDP_H
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#define SUA_SDP_H
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#define SDP_SENDRECV_NULL 0
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#define SDP_SENDRECV_TXONLY 1
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#define SDP_SENDRECV_RXONLY 2
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#define SDP_SENDRECV_TXRX 3
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#define SDP_MEDIA_NULL 0
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#define SDP_MEDIA_AUDIO 1
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#define SDP_MEDIA_VIDEO 2
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#define SDP_MEDIA_DATA 3
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#define SDP_MAX_NUM 8
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typedef struct sdp_info
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{
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uint32 is_valid : 1; // 有效标识
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uint32 mtype : 2;
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uint32 sendrecv : 2; // a=sendonly, a=recvonly, a=sendrecv
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uint32 rtp_tcp : 1; // RTP/AVP; RTP/AVP/TCP
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uint32 resv : 2;
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uint32 pt : 8; // payload type
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uint32 port : 16; // rtp udp port
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char rtpmap[64]; // a=rtpmap:96 ------ H264/90000
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char encoder[32]; // H264 PCMA PS G729A
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uint32 hz; // 采样频率
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uint32 chn; // 通道数, 视频没有, 音频可能有, 默认是1
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uint32 ptime; // 音频ptime,多少ms一个包
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uint32 bps; // 带宽值，TIAS-bps，AS-kbps
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char desc[256]; // a=fmtp:------
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} SDPINFO;
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typedef struct lt_rtp_map_entry
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{
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uint32 pt : 8; // payload type
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uint32 mtype : 8;
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uint32 channel : 8;
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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
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char name[16];
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int hz;
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} RTPMAPE;
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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