The invention concerns providing for each media package a plurality of spatial composition datasets defining the initial spatial rendering of the media entities of the media package and for each spatial composition datasets a plurality of temporal composition datasets. The invention may be applied to MMT data.

Systems and methods are provided herein for resuming playback of a media content. Media content is provided to the user device. The media content is paused in response to receiving a pause command. A memorability metric associated with a position where the media content was paused is determined. In response to receiving a resume command, the media content is resumed at a position that is earlier in time than the position where the media content was paused. The position where the media content is resumed is based on the memorability metric.

Systems and methods for encoding source media in Matroska container files for adaptive bitrate streaming utilizing Hypertext Transfer Potocol (HTTP) in accordance with embodiments of the invention are disclosed. One embodiment of the invention includes a processor configured via a source encoding application to ingest at least one multimedia file containing a source video. In addition, the source encoding application further configures the processor to select a portion of the source video, transcode the selected portion of the source video into a plurality of alternative portions of encoded video, where each alternative portion is encoded using a different set of encoding parameters and commences with an intra frame starting a closed Group of Pictures (GOP), write each of the alternative portions of encoded video to an element of a different EBML container file, where each element is located within an EBML container file that also includes another element that indicates the encoding parameters used to encode the alternative portion of encoded video, and add an entry to at least one index that identifies the location of the element containing one of the alternative portions of encoded video within each of the EBML container files.

Systems and methods for encoding source media in Matroska container files for adaptive bitrate streaming utilizing Hypertext Transfer Potocol (HTTP) in accordance with embodiments of the invention are disclosed. One embodiment of the invention includes a processor configured via a source encoding application to ingest at least one multimedia file containing a source video. In addition, the source encoding application further configures the processor to select a portion of the source video, transcode the selected portion of the source video into a plurality of alternative portions of encoded video, where each alternative portion is encoded using a different set of encoding parameters and commences with an intra frame starting a closed Group of Pictures (GOP), write each of the alternative portions of encoded video to an element of a different EBML container file, where each element is located within an EBML container file that also includes another element that indicates the encoding parameters used to encode the alternative portion of encoded video, and add an entry to at least one index that identifies the location of the element containing one of the alternative portions of encoded video within each of the EBML container files.

A media playback apparatus and a method for synchronously reproducing video and audio on a web browser are provided. In the media playback apparatus, audio is buffered to be outputted at a time point at which video is outputted, thereby synchronizing the outputs of video and audio. The media playback apparatus may output the video in synchronization with the audio even when video and audio are decoded by different decoders. Therefore, it is possible to implement a decoder separately from a decoder embedded in a web browser in a non-plug-in environment, thereby reducing the dependency on the codec format of the media.

Methods and apparatus, including computer program products, for recovering from gaps in video transmission for Web browser-based players. A system includes a first server, the first server including a stream of video, the steam of video including sequential audio and video segments, and a receiver, the receiver recreating the sequential audio and video segments as received from the first server, including recovering one or more gaps in the sequential audio and video segments, and making the audio and video segments with recovered one or more gaps available to a media player.

A content management system may generate a single content entity to manage multiple bitrate encodings for multiple content consumption platforms. A content management system may receive master content from a content creator/provider. Multiple bitrate encodings of the master content may be generated for consumption on multiple content consumption platforms. A single content entity identifier may be created to identify as a single content entity the generated bitrate encodings. The single content entity may be published to a content delivery system. The content delivery system may receive requests from content consumption devices for the content entity. A content delivery system may dynamically generate a content manifest to be sent to the content consumption device for use in streaming the content entity.

A content management system may generate a single content entity to manage multiple bitrate encodings for multiple content consumption platforms. A content management system may receive master content from a content creator/provider. Multiple bitrate encodings of the master content may be generated for consumption on multiple content consumption platforms. A single content entity identifier may be created to identify as a single content entity the generated bitrate encodings. The single content entity may be published to a content delivery system. The content delivery system may receive requests from content consumption devices for the content entity. A content delivery system may dynamically generate a content manifest to be sent to the content consumption device for use in streaming the content entity.

A method is provided that broadcasts channels to set top boxes (STB), processes them, and makes them available in ABR streaming format to clients in a home network. The method includes the steps of: transmitting a plurality of streams for each channel broadcast, wherein each stream is at a different bitrate and is segmentable into chunks; receiving the plurality of streams for one or more channels at the STB; and storing a plurality of segmentable chunk durations for each of the plurality of streams for each channel received. In some embodiments, HLS is packaged as MPEG transport without a manifest file, and a set top box (STB) caches HLS chunks for at least the consumer's most viewed channels, reducing acquisition time of those HLS streams. The STB reconstitutes the HLS playlist and chunks for delivery throughout the home.

A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other.