| 摘要 |
A digital home network multimedia share system and a share method thereof is described wherein the system comprises an intelligent home gateway and a terminal device. The terminal device performs video encoding on video using a Scalable Video Coding (SVC) method; generates video code stream blocks with scalable time, space and quality and generates a video track file; allocates transmission priorities of the encoded video code stream blocks; adaptively adjusts a transmission code rate of a multimedia information stream according to a network condition, such as available bandwidth. When available bandwidth is small e.g. only a base layer stream may be transmitted with a reduced resolution and when available bandwidth increases a gradually higher resolution (base layer plus additional enhancement layers) may be transmitted. Fluency of the video playback is maintained throughout. The system is adapted to a bandwidth-limited digital home network, and to interconnection and interworking between different terminals in a heterogeneous network. The gateway may maintain a list of active/inactive devices in the home network and also a multimedia/resource list identifying where content items are located in the network. Variable access restrictions to the content items may also be employed. |
