| 摘要 |
A method comprising: obtaining a scalable video bitstream comprising base-layer pictures and enhancement-layer pictures, wherein a first set of base-layer pictures lacks dependencies on a second set of base-layer pictures and the second set of base-layer pictures is not used as a reference for inter-layer prediction of the enhancement-layer pictures;generating a media presentation description on the scalable video bitstream; generating one or more media segments from the scalable video bitstream; and providing, in at least one of the media presentation description and the media segments, one or more first indications for enabling to request the reception of the first set of base-layer pictures separately from the second set of base-layer pictures. |
