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详细说明： 1 绪论Introduction.........................................................................................................................6 1.1 目的Purpose.....................................................................................................................6 1.2 要求Requirement.............................................................................................................7 1.3 术语Terminology.............................................................................................................7 1.4 协议特点Protocol Properties...........................................................................................8 1.5 RTSP扩展Extending RTSP...............................................................................................9 1.6 操作模式Overall Operation...........................................................................................9 1.7 RTSP状态RTSP States..................................................................................................10 1.8 与其他协议关系 Relationship with Other Protocols.....................................................10 2 符号协定Notational Conventions.............................................................................................11 3 协议参数Protocol Parameter....................................................................................................12 3.1 RTSP版本RTSP Version...............................................................................................12 3.2 RTSP URL........................................................................................................................13 3.3 会议标识 Conference Identifiers............................................................................15 3.4 会话标识Session Identifiers............................................................................................15 3.5 SMPTE 相对时间戳........................................................................................................15 3.6正常播放时间Normal Play Time...................................................................................15 3.7 绝对时间Absolute Time................................................................................................16 3.8 选择标签Options Tags...................................................................................................16 3.8.1 用IANA注册新的选择标签 Registering New Option Tags With IANA............17 4 RTSP消息....................................................................................................................................17 4.1 消息类型Message Type.................................................................................................17 4.2 消息报头Message Headers............................................................................................18 4.3 消息主体Message Body................................................................................................18 4.4 消息长度Message Length.............................................................................................19 5 普通报头域 General Header Fields...........................................................................................19 6 请求Request..............................................................................................................................19 6.1 请求队列Request Line...................................................................................................20 6.2 请求报头域 Request Header Fields................................................................................20 7 回应Response...........................................................................................................................21 7.1 状态行Status-Line.........................................................................................................21 7.1.1 状态代码和原因分析 Status Code and Reason Phrase.......................................21 7.1.2 回应报头域 Response Header Fields..................................................................24 8 实体Entity.................................................................................................................................24 8.1 实体报头域 Entity Header Fields...................................................................................24 8.2 实体主体Entity Body....................................................................................................25 9 连接Connections.......................................................................................................................25 9.1 流水线操作Pipelining...................................................................................................25 9.2 可靠性及确认Reliability and Acknowledgements........................................................26 10 方法定义Method Definitions.................................................................................................26 10.1选择 OPTIONS：.............................................................................................................27 10.2描述DESCRIBE.................................................................................................................28 2 10.3 通告 ANNOUNCE..............................................................................................................29 10.4建立 SETUP.....................................................................................................................30 10.5播放 PLAY.......................................................................................................................31 10.6暂停 PAUSE.....................................................................................................................34 10.7 断开 TEARDOWN..............................................................................................................36 10.8 获取参数Get_PARAMETER......................................................................................37 10.9 设置参数SET_PARAMETER.....................................................................................38 10.10 重定向REDIRECT....................................................................................................39 10.11 录制RECORD............................................................................................................40 10.12 嵌入二进制数据Embedded(interleaved) Binary Data..............................................40 11状态代码定义（Status Code Definitions）..............................................................................42 11.1成功2xx（Success 2xx）..............................................................................................42 11.1.1存储空间低250 Low on Storage Space...........................................................42 11.2 重定向（Redirection 3xx）..........................................................................................43 11.3 客户端错误（Client Error ）4xx.................................................................................43 11.3.1方法不允许 (405 Method Not Allowed)............................................................43 11.3.2参数不能理解 (451 Parameter Not Understood)................................................43 11.3.3会议未找到 (452 Conference Not Found)..........................................................43 11.3.4 带宽不足 (453 Not Enough Bandwidth)...........................................................44 11.3.5 会话未找到 (454 Session Not Found)...............................................................44 11.3.6 本状态下该方法无效 (455 Method Not Valid in This State)............................44 11.3.7 报头域对资源无效(456 Header Field Not Valid for Resource )........................44 11.3.8 无效范围(457 Invalid Range)...........................................................................44 11.3.9 参数只读 (458 Parameter Is Read-Only)...........................................................45 11.3.10 不允许合操作(459 Aggregate Operation Not Allowed)...................................45 11.3.11 只允许合操作 (460 Only Aggregate Operation Allowed)...............................45 11.3.12 不支持的传输(461 Unsupported Transport)..................................................45 11.3.13 目标不可达(462 Destination Unreachable)....................................................45 11.3.14 选择不被支持 (551 Option not Supported).....................................................46 12 报头域定义（Header Field Definitions）...............................................................................46 12.1 接受 Accept..................................................................................................................48 12.2 接受编码Accept-Encoding..........................................................................................48 12.3 接受语言Accept-Langue.............................................................................................48 12.4 允许（Allow）..............................................................................................................49 12.5 授权（Authorization）..................................................................................................49 12.6 带宽 Bandwidth............................................................................................................49 12.7 块大小 Blocksize........................................................................................................49 12.8 缓存控制 Cache-Control............................................................................................50 12.9 会议Conference...........................................................................................................53 12.10 连接Connection.........................................................................................................53 12.11 基本内容Content-Base..............................................................................................53 12.12 内容编码（Content-Encoding）.................................................................................53 12.13 内容语言Content-Language......................................................................................53 12.14 内容长度（Content-Length）....................................................................................54 3 12.15 内容位置Content-Location........................................................................................54 12.16 内容类型（Content-Type）........................................................................................54 12.17 序列号CSeq...............................................................................................................54 12.18 日期（Date）..............................................................................................................54 12.19 过期Expires.................................................................................................................54 12.20 来自From...................................................................................................................56 12.21 主机Host....................................................................................................................56 12.22 如果匹配If-Match.......................................................................................................56 12.23 从何时更改（If-Modified-Since）.............................................................................56 12.24 最近更改（Last-Modified）.......................................................................................57 12.25 位置（Location）.......................................................................................................57 12.26 代理授权Proxy-Authenticate....................................................................................57 12.27 代理要求Proxy-Require............................................................................................57 12.28 公用性public..............................................................................................................57 12.29 范围Range.................................................................................................................58 12.30 提交方（Referer）......................................................................................................59 12.31 稍后再试Retry-After.................................................................................................59 12.32 要求Require...............................................................................................................59 12.33 RTP信息RTP-Info.......................................................................................................60 12.34 比例Scale...................................................................................................................61 12.35 速度Speed..................................................................................................................62 12.36 服务器（Server）.......................................................................................................62 12.37 会话Session...............................................................................................................63 12.38 时间戳Timestamp......................................................................................................63 12.39 传输Transport............................................................................................................64 12.40 不支持Unsupported...................................................................................................68 12.41 用户代理（User-Agent）...........................................................................................68 12.42 变化..............................................................................................................................68 12.43 通过..............................................................................................................................68 12.44 WWW-授权（WWW-Authenticate）..........................................................................68 13 缓存50.....................................................................................................................................68 14 实例Examples.........................................................................................................................70 14.1 要求媒体（单播） Media on Demand (Unicast)........................................................70 14.2 容器文件的流 Streaming of a Container file...............................................................73 14.3 单个流容器文件 Single Stream Container Files..........................................................76 14.4 组播现场媒体表示 Live Media Presentation Using Multicast..................................78 14.5 在存在的会话中播放媒体 Playing media into an existing session.............................79 14.6 录制Recording.............................................................................................................81 15 语法Syntax.............................................................................................................................83 15.1 基本语法Base Syntax..................................................................................................83 16 安全考虑（Security Considerations）....................................................................................84 附录A: RTSP协议状态机 RTSP Protocol State Machines.......................................................88 A.1 客户端状态机Client State Machine...........................................................................88 A.2 服务器端状态机Server State Machine.........................................................................90 4 附录B 同RTP协议的交互 Interaction with RTP..........................................................................92 附录C 使用SDP进行RTSP会话描述 Use of SDP for RTSP Session Descriptions.....................93 C.1 定义Definitions...............................................................................................................94 C.1.1 控制URL Control URL........................................................................................94 C.1.2 媒体流Media streams.........................................................................................95 C.1.3 有效载荷类型Payload type(s)...........................................................................95 C.1.4 详细格式参数Format-specific parameters........................................................95 C.1.5 表示的范围 Range of presentation.....................................................................96 C.1.6 有效时间 Time of availability.............................................................................96 C.1.7 连接信息Connection Information......................................................................96 C.1.8 实体标签Entity Tag...........................................................................................97 C.2 合控制不可用Aggregate Control Not Available..........................................................97 C.3 合控制可用Aggregate Control Available.....................................................................98 附录D 最简单的RTSP实现 Appendix D: Minimal RTSP implementation.................................99 D.1 客户端Client.................................................................................................................99 D.1.1回放Basic Playback..........................................................................................101 D.1.2 授权Authentication-enabled............................................................................101 D.2 服务器Server..............................................................................................................101 D.2.1回放Basic Playback..........................................................................................102 D.2.2授权Authentication-enabled.............................................................................103 附录E 作者地址Authors' Addresses........................................................................................103 附录F 致谢Acknowledgements...............................................................................................104 参考书目References...................................................................................................................105 版权申明 Full Copyright Statement............................................................................................108 ...展开收缩
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