Track Selection Types
code | description | type | specification |
|---|---|---|---|
bitr | Track differs in bitrate | track sel. | ISO |
bwas | Track differs by bandwidth | track sel. | 3GPP |
cdec | Track differs by codec type in the Sample Entry | track sel. | ISO |
cgsc | The track can be coarse-grain scaled. | track sel. | ISO |
fgsc | The track can be fine-grain scaled. | track sel. | ISO |
frar | Track differs in frame rate | track sel. | ISO |
lang | Track differs in language | track sel. | 3GPP |
mela | Track differs in language | track sel. | ISO |
mpsz | Track differs in the maximum RTP Packet size | track sel. | ISO |
mtyp | Track differs in media type (handler type) | track sel. | ISO |
nvws | Number of views in the sub track | track sel. | ISO |
resc | The track can be region-of-interest scaled. | track sel. | ISO |
scsz | Track differs in width and/or height | track sel. | ISO |
spsc | The track can be spatially scaled. | track sel. | ISO |
swtk | The track differs in switchable tracks hierarchy ID defined in the VVC switchable tracks entity group | track sel. | NALu Video |
tesc | The track can be temporally scaled. | track sel. | ISO |
tile | The sub-track is spatial part or tile of the track. | track sel. | NALu Video |
vwsc | Sub-track can be scaled in terms of number of views | track sel. | ISO |