A method includes accessing, at a media content provider system, a media stream corresponding to a first media content item. The method further includes generating a media content file based on the media stream and a second media content item that is different than the first media content item. A first portion of the media content file may include media data of the media stream, and a second portion of the media content file may include header data and an indicator of a location of the second media content item.

A method includes accessing, at a media content provider system, a media stream corresponding to a first media content item. The method further includes generating a media content file based on the media stream and a second media content item that is different than the first media content item. A first portion of the media content file may include media data of the media stream, and a second portion of the media content file may include header data and an indicator of a location of the second media content item.

Methods and systems are disclosed for a mobile device to decode video based on available power and/or energy. For example, the mobile device may receive a media description file (MDF) from for a video stream from a video server. The MDF may include complexity information associated with a plurality of video segments. The complexity information may be related to the amount of processing power to be utilized for decoding the segment at the mobile device. The mobile device may determine at least one power metric for the mobile device. The mobile device may determine a first complexity level to be requested for a first video segment based on the complexity information from the MDF and the power metric. The mobile device may dynamically alter the decoding process to save energy based on the detected power/energy level.

Methods and systems are disclosed for a mobile device to decode video based on available power and/or energy. For example, the mobile device may receive a media description file (MDF) from for a video stream from a video server. The MDF may include complexity information associated with a plurality of video segments. The complexity information may be related to the amount of processing power to be utilized for decoding the segment at the mobile device. The mobile device may determine at least one power metric for the mobile device. The mobile device may determine a first complexity level to be requested for a first video segment based on the complexity information from the MDF and the power metric. The mobile device may dynamically alter the decoding process to save energy based on the detected power/energy level.

A method for managing adaptive streaming of an item of digital content within a multimedia stream reading terminal connected to a mobile communication network is disclosed. The item of digital content is associated with a description file for the item and includes a list of time segments of the item of content that are each associated with multiple encoding rates of the item of content. A maximum data volume to be consumed within the mobile communication network, as a data bucket, is allocated to the multimedia stream reading terminal. When the adaptive streaming of the item is launched, the method determines a data volume that would be consumed by the multimedia stream reading terminal as a result of streaming the time segments and selects a maximum encoding rate of the item authorized for the streaming on the basis of the consumed data volume associated therewith and of the data bucket.

A method for managing adaptive streaming of an item of digital content within a multimedia stream reading terminal connected to a mobile communication network is disclosed. The item of digital content is associated with a description file for the item and includes a list of time segments of the item of content that are each associated with multiple encoding rates of the item of content. A maximum data volume to be consumed within the mobile communication network, as a data bucket, is allocated to the multimedia stream reading terminal. When the adaptive streaming of the item is launched, the method determines a data volume that would be consumed by the multimedia stream reading terminal as a result of streaming the time segments and selects a maximum encoding rate of the item authorized for the streaming on the basis of the consumed data volume associated therewith and of the data bucket.

A communication device is installed on a moving body and capable of communicating with an external device via a plurality of communication lines. The communication device includes a controller. The controller acquires a plurality of video streaming data acquired by a plurality of cameras installed on the moving body. The controller dynamically sets priority of the plurality of video streaming data. The controller acquires priority of the plurality of communication lines. The controller sets an allocation relationship between the plurality of video streaming data and the plurality of communication lines such that a video streaming data with higher priority is allocated to a communication line with higher priority. The controller transmits the plurality of video streaming data to the external device via the respectively allocated communication lines.

A communication device is installed on a moving body and capable of communicating with an external device via a plurality of communication lines. The communication device includes a controller. The controller acquires a plurality of video streaming data acquired by a plurality of cameras installed on the moving body. The controller dynamically sets priority of the plurality of video streaming data. The controller acquires priority of the plurality of communication lines. The controller sets an allocation relationship between the plurality of video streaming data and the plurality of communication lines such that a video streaming data with higher priority is allocated to a communication line with higher priority. The controller transmits the plurality of video streaming data to the external device via the respectively allocated communication lines.

Systems and methods are described for performing adaptive bitrate (ABR) streaming. A user device may request a segment of a first version of a plurality of versions of a content asset from a content provider, and may receive the segment. An estimated time to receive a second segment of a second version of the content may be determined based on metrics associated with receipt of the segment of the first version and in a manner that takes into account latency with the network, such that a determination whether to switch to a higher or lower bitrate version of a content asset during ABR streaming may be more accurately made.