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Content for TS 26.234 Word version: 18.0.0

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5.1 Session establishment 5.2 Capability exchange 5.3 Session set-up and control 5.4 MIME media types 5.5 Extension for Fast Content Switching and Start-up 5.6 Extension for Time-Shifting Support 5.7 Support for Trick Mode Operations 5.8 Session Update
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5 Protocols p. 19

5.1 Session establishment p. 19

5.2 Capability exchange p. 19

5.2.1 General |R5| p. 19

5.2.2 The device capability profile structure |R5| p. 19

5.2.3 Vocabularies for PSS |R5| p. 20

5.2.3.1 General p. 20

5.2.3.2 PSS base vocabulary p. 20

5.2.3.2.1 PssCommon component |R6| p. 20

5.2.3.2.2 Streaming component |R6| p. 22

5.2.3.2.3 ThreeGPFileFormat component |R6| p. 29

5.2.3.2.4 Void

5.2.3.3 Attributes from UAProf p. 32

5.2.4 Extensions to the PSS schema/vocabulary |R5| p. 33

5.2.4.1 Vocabulary definitions |R6| p. 33

5.2.4.2 Backward compatibility |R6| p. 34

5.2.5 Signalling of profile information between client and server |R5| p. 34

5.2.6 Merging device capability profiles |R5| p. 34

5.2.7 Profile transfer between the PSS server and the device profile server |R5| p. 35

5.3 Session set-up and control p. 35

5.3.1 General p. 35

5.3.2 RTSP p. 35

5.3.2.1 The 3GPP-Link-Char header |R6| p. 36

5.3.2.2 The 3GPP-Adaptation header |R6| p. 37

5.3.2.3 The Quality of Experience headers |R6| p. 37

5.3.2.3.1 Protocol initiation and termination p. 37

5.3.2.3.2 Metrics feedback p. 39

5.3.2.3.3 Metrics feedback over HTTP |R9| p. 40

5.3.2.3.3.0 Requirements and semantics p. 40

5.3.2.3.3.1 XML Syntax for a QoE Report p. 40

5.3.2.3.3.2 Example XML for the QoE Report p. 41

5.3.2.4 Video buffering headers |R6| p. 42

5.3.3 SDP p. 42

5.3.3.1 General |R5| p. 42

5.3.3.2 Additional SDP fields |R5| p. 43

5.3.3.3 The "alt" and "alt-default-id" attributes |R6| p. 45

5.3.3.4 The session level grouping attribute, "alt-group" |R6| p. 46

5.3.3.5 The bit-rate adaptation support attribute, "3GPP-Adaptation-Support" |R6| p. 47

5.3.3.6 The Quality of Experience support attribute, "3GPP-QoE-Metrics" |R6| p. 47

5.3.3.7 The asset information attribute, "3GPP-Asset-Information" |R6| p. 47

5.3.3.8 OMA-DM Configuration of QoE Metrics |R9| p. 48

5.3.3.8.0 General p. 48

5.3.3.8.1 QoE metrics reporting management object p. 48

5.3.3.8.2 QoE reporting rule definition p. 53

5.4 MIME media types p. 53

5.5 Extension for Fast Content Switching and Start-up |R7| p. 55

5.5.1 Introduction p. 55

5.5.2 Extensions to RTSP 1.0 p. 55

5.5.2.1 Introduction p. 55

5.5.2.2 Capability Handling p. 55

5.5.2.2.1 Introduction p. 55

5.5.2.2.2 Definition of the "Supported" RTSP Header Field p. 55

5.5.2.3 SSRC in the "RTP-Info" RTSP Header Field p. 56

5.5.2.4 Semantics of RTSP PLAY method p. 56

5.5.3 Start-up p. 57

5.5.4 Fast Content Switching p. 57

5.5.4.1 Introduction p. 57

5.5.4.2 "Switch-Stream" RTSP Header Field p. 57

5.5.4.3 Switching to new content with available SDP p. 58

5.5.4.4 Switching to new content without SDP p. 59

5.5.4.5 Switching Media described in one SDP p. 59

5.5.4.6 Adding Media Components to an ongoing session p. 60

5.5.4.7 Removing Media Components from an ongoing session p. 60

5.6 Extension for Time-Shifting Support |R8| p. 60

5.6.1 Introduction p. 60

5.6.2 General Description p. 60

5.6.2a Extensions to RTSP 1.0 p. 61

5.6.3 Accept-Ranges p. 61

5.6.4 Signalling Time Shifting Ranges p. 61

5.6.5 Timeshift buffer status updates p. 62

5.7 Support for Trick Mode Operations |R8| p. 63

5.8 Session Update |R10| p. 63