Power Aware Video Decoding and Streaming

A method for a wireless transmit/receive unit (WTRU) to request a video stream from a video server, the method comprising:

• receiving metadata for the video stream, wherein the video stream is divided into a plurality of video segments, the metadata indicating relative video decoding power consumption information for a plurality of complexity levels at which a first video segment can be requested;
• determining an amount of energy remaining in the WTRU;
• determining power allocation information for the first video segment based on the amount of energy remaining in the WTRU and the relative video decoding power consumption information indicated in the metadata;
• determining to request the first video segment at a first complexity level of the plurality of complexity levels based on the power allocation information and the relative video decoding power consumption information indicated in the metadata;
• and
• requesting the first video segment at the first complexity level.

A wireless transmit/receive unit (WTRU) for requesting a video stream from a video server based on power conditions, the WTRU comprising:

• a memory;
• and
• a processor configured to:
• receive metadata for the video stream, wherein the video stream is divided into a plurality of video segments, the metadata indicating relative video decoding power consumption information for a plurality of complexity levels at which a first video segment can be requested;
• determine an amount of energy remaining in the WTRU;
• determine power allocation information for the first video segment based on the amount of energy remaining in the WTRU and the relative video decoding power consumption information indicated in the metadata;
• determine to request the first video segment at a first complexity level of the plurality of complexity levels based on the power allocation information and the relative video decoding power consumption information indicated in the metadata;
• and
• request the first video segment at the first complexity level.