3GPP TS 26.234 – PSS

a=X‑predecbufsize a=X‑initpredecbufperiod a=X‑initpostdecbufperiod a=X‑decbyterate a=3gpp‑videopostdecbufsize a=framesize a=3GPP‑framepackingtype a=alt a=alt‑default‑id a=alt‑group a=3GPP‑Adaptation‑Support a=3GPP‑QoE‑Metrics a=3GPP‑Asset‑Information

; a=X-predecbufsize:<size of the hypothetical pre‑decoder buffer>
; see Clause 5.3.3.2 of TS 26.234

; a=X-initpredecbufperiod:<initial pre‑decoder buffering period>
; see Clause 5.3.3.2 of TS 26.234

; a=X-initpostdecbufperiod:<initial post‑decoder buffering period>
; see Clause 5.3.3.2 of TS 26.234

; a=X-decbyterate:<peak decoding byte rate>
; see Clause 5.3.3.2 of TS 26.234

; a=3gpp-videopostdecbufsize:<size of the video post‑decoder buffer>
; see Clause 5.3.3.2 of TS 26.234

; a=framesize:<payload type number> <width>‑<heigth>
; see Clause 5.3.3.2 of TS 26.234

attribute-fields =/

sdp‑3GPP‑frame‑packing‑type‑line / alt / alt‑default‑id / alt‑group / sdp‑Adaptation‑line / QoE‑Metrics‑line / 3GPP‑Assets‑Info

sdp-3GPP-frame-packing-type-line =

"a" "=" "3GPP‑framepackingtype" ":" frame‑packing‑type ":" payload‑type‑number CRLF
; see Clause 5.3.3.2 of TS 26.234

frame-packing-type =

1*DIGIT

payload-type-number =

1*DIGIT

alt =

"a" "=" "alt" ":" alt‑id ":" SDP‑line CRLF
; see Clause 5.3.3.3 of TS 26.234

alt-default-id =

"a" "=" "alt‑default‑id" ":" alt‑id CRLF
; see Clause 5.3.3.3 of TS 26.234

alt-group =

"a" "=" "alt‑group" ":" alt‑group‑type ":" alt‑group‑subtype ":"
alt‑grouping *( ";" alt‑grouping ) CRLF
; see Clause 5.3.3.4 of TS 26.234

alt-group-type =

token

alt-group-subtype =

token

alt-grouping =

grouping‑value "=" alt‑id *( "," alt‑id )

grouping-value =

token

alt-id =

1*DIGIT

sdp-Adaptation-line =

"a" "=" "3GPP‑Adaptation‑Support" ":" report‑frequency CRLF
; see Clause 5.3.3.5 of TS 26.234

report-frequency =

NonZeroDIGIT [ DIGIT ]

NonZeroDIGIT =

%x31-39

3GPP-Assets-Info =

"a" "=" "3GPP‑Asset‑Information:" Asset 0*( "," Asset ) CRLF
; see Clause 5.3.3.7 of TS 26.234

Asset =

( "{" "url" "=" """ URL """ "}" ) / ( "{" AssetName "=" AssetBox "}" )

URL =

URI

AssetName =

"Title" / "Description" / "Copyright" / "Performer" / "Author" / "Genre" / "Rating" / "Classification" / "Keywords" / "Location" / "Album" / "RecordingYear" / "Collection" / "UserRating" / "Thumbnail" / asset-extension

asset-extension =

1*( (0x01..0x09) / 0x0b / 0x0c / (0x0e..0x1f) / (0x21..0x2b) / (0x2d..0x3c) / (0x3e..0x7a) / 0x7c / (0x7d..0xff) )
; any byte except SP, NUL, CR, LF, "=", ",", "{", "}"

AssetBox =

; Base64 encoded version [RFC 4648] of any asset box as defined in Clause 8 of TS 26.244