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文件大小: 512kb
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上传时间: 2011-10-24
详细说明: 1 介绍..............................................................................................................................................3 1.1 目的....................................................................................................................................3 1.2 要求....................................................................................................................................4 1.3 术语.................................................................................................... ................................4 1.4 协议特点............................................................................................................................6 1.5 扩展RTSP..........................................................................................................................8 1.6 整体运作............................................................................................................................8 1.7 RTSP状态...........................................................................................................................9 1.8 与其他协议关系..............................................................................................................10 2 符号约定.....................................................................................................................................10 3 协议参数.....................................................................................................................................12 3.1 RTSP版本.........................................................................................................................12 3.2 RTSP URL........................................................................................................................13 3.3 会议标识..........................................................................................................................15 3.4 会话标识..........................................................................................................................15 3.5 SMPTE 相对时间戳........................................................................................................16 3.6正常播放时间...................................................................................................................16 3.7 绝对时间..........................................................................................................................17 3.8 选择标签..........................................................................................................................18 4 RTSP消息....................................................................................................................................18 4.1 消息类型..........................................................................................................................19 4.2 消息头部..........................................................................................................................19 4.3 消息主体..........................................................................................................................20 4.4 消息长度..........................................................................................................................21 5 普通头部域.................................................................................................................................21 6 请求............................................................................................................................................21 6.1 请求行..............................................................................................................................22 6.2 请求头部域......................................................................................................................23 7 响应............................................................................................................................................23 7.1 状态行..............................................................................................................................24 7.1.1 状态码和原因解释...............................................................................................24 7.1.2 响应头部域...........................................................................................................29 8 实体............................................................................................................................................29 8.1 实体头部域......................................................................................................................29 8.2 实体主体..........................................................................................................................30 9 连接............................................................................................................................................30 9.1 管道..................................................................................................................................30 9.2 可靠性及确认..................................................................................................................31 10 方法定义...................................................................................................................................31 10.1 OPTIONS(可选项)....................................................................................................32 10.2 描述(DESCRIBE)....................................................................................................33 10.3 通知(ANNOUNCE).................................................................................................34 10.4 建立(SETUP)...........................................................................................................35 10.5 播放(PLAY)..............................................................................................................36 10.6 暂停(PAUSE)...........................................................................................................38 10.7 断开(TEARDOWN).................................................................................................39 10.8 获取参数(GET_PARAMETER)..............................................................................40 10.9 设置参数(SET_PARAMETER)...............................................................................41 10.10 重定向(REDIRECT)..............................................................................................42 10.11 录制(RECORD)......................................................................................................42 10.12 嵌入(交织)的二进制数据......................................................................................43 11 状态码定义...............................................................................................................................44 11.1 成功 2xx........................................................................................................................44 11.2 重定向 3xx....................................................................................................................44 11.3 客户端错误 4xx............................................................................................................44 12 头部域定义...............................................................................................................................46 13 Caching......................................................................................................................................63 14 示例...........................................................................................................................................64 14.1 按需点播(单播)........................................................................................................64 14.2 容器文件的流化............................................................................................................67 14.3 单流容器文件................................................................................................................70 14.4 现场媒体表示使用多播................................................................................................72 14.5 向已存在的会话播放媒体............................................................................................73 14.6 录制................................................................................................................................75 15 语法...........................................................................................................................................77 15.1 基本语法........................................................................................................................77 16 安全考虑...................................................................................................................................79 附录A:RTSP 协议状态机...........................................................................................................81 附录B:同RTP交互.......................................................................................................................84 附录C:用SDP描述RTSP会话.....................................................................................................85 附录D:最小RTSP实现................................................................................................................89 ...展开收缩
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