Abstract:
Systems and methods for multimedia swarm processes in accordance with embodiments of the invention are illustrated. One embodiment includes a method for creating a multimedia project at a swarm interface device. The method includes steps for providing a first set of multimedia content to a swarm includes several swarm members, where the several swarm members includes several swarm sources. The method further includes steps for receiving a second set of multimedia content from the several swarm sources and editing multimedia content to create a multimedia project includes at least one piece of multimedia content from the first set of multimedia content and at least one piece of multimedia content from the second set of multimedia content.
Abstract:
Systems and methods for adaptive streaming with augmented video stream transitions in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a network client includes memory containing a video decoder application, an image processing application, and a client application and a processor, wherein the video decoder application configures the processor to decode video data for display, wherein the image processor application configures the processor to render an image for display, wherein the client application configures the processor to receive a first stream of video data, play the first stream of video data, detect a change in streaming conditions, request a second stream of video data, render an image for display, receive the second stream of video data, and play the second stream of video data, and coordinates the display of the image between the first stream of video and the second video stream.
Abstract:
Systems and methods for automatically generating top level index files for use in adaptive bitrate streaming in accordance with embodiments of the invention are dislosed. One embodiment of the method of the invention includes receiving a request from a playback device at a playback server, where the request identifies a piece of content, retrieving a list of assets associated with the identified piece of content using the playback server, filtering the list of assets using at least one predetermined criterion using the playback server, generating a top level index file describing each asset in the filtered list of assets using the playback server, and sending the top level index file to the playback device using the playback server.
Abstract:
Systems and methods for determining available bandwidth and performing initial stream selection when commencing adaptive bitrate streaming using Hypertext Transfer Protocol (HTTP) in accordance with embodiments of the invention are disclosed. One embodiment of the invention includes measuring network bandwidth using a playback device, determining an initial network bandwidth estimate using the network bandwidth measurements, selecting an initial stream from said plurality of streams of encoded media that are encoded at different maximum bitrates rates using the playback device based upon the maximum bitrates of the plurality of streams and the initial bandwidth estimate; and commencing streaming of encoded media by requesting portions of the encoded media from the initial streams using the playback device.
Abstract:
Systems and methods for determining available bandwidth and performing initial stream selection when commencing adaptive bitrate streaming using Hypertext Transfer Protocol (HTTP) in accordance with embodiments of the invention are disclosed. One embodiment includes performing a bandwidth probe to obtain an estimate of the available bandwidth between a playback device and a remote server, where the bandwidth probe comprises the playback device requesting blocks of data of increasing size from the remote server until the time taken to download a requested block exceeds a predetermined threshold, selecting an initial stream from said plurality of streams of encoded media that are encoded at different maximum bitrates rates using the playback device based upon the maximum bitrates of the plurality of streams and the estimated available bandwidth, and commencing streaming of encoded media by requesting portions of the encoded media from the initial streams using the playback device.
Abstract:
Systems and methods for adaptive bitrate streaming in which playback devices select streams based upon the delay of each stream and the channel rate in accordance with embodiments of the invention are disclosed. One embodiment of the invention includes memory including a client application and a buffer, and a processor, where the client application configures the processor to: select a first video stream from a set of alternative video streams, where at least a plurality of the alternative video streams are encoded to have an upper bound seek delay that is equal to or less than the upper bound seek delay of streams in the set of alternative video streams that are encoded at a higher maximum bitrate; request chunks of the first video stream via a network connection and store the requested chunks in the buffer. Systems and methods may include playback of the buffered chunks.
Abstract:
Systems and methods for encoding live multimedia content with audio data synchronized with other streams of data within the multimedia content, including video data in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, an encoding system includes live multimedia content storage configured to store live multimedia content including audio data and video data, a processor, and a multimedia encoder, wherein the multimedia encoder configures the processor to receive live multimedia content, generate a timeline using the video data, compute a first time window, align the audio data to the video data using the audio samples and the timeline, measure a synchronization value of the aligned audio data to the video data, resample at least one audio sample in the aligned audio data when the synchronization value exceeds a threshold value, and multiplex the audio data and video data into a container file.
Abstract:
Systems and methods for performing adaptive bitrate streaming using alternative streams of protected content in accordance with embodiments of the invention are described. One embodiment includes a processor, and non-volatile storage containing an encoding application. In addition, the encoding application configures the processor to: receive source content; obtain common cryptographic information; encode the source content as a plurality of streams including a plurality of alternative streams of content; and protect the plurality of alternative streams of content using the common cryptographic information.
Abstract:
Systems and methods for streaming and playing back video having a variety of resolutions, frame rates, and/or sample aspect ratios, where the video streams are encoded at one of a number of maximum bit rate levels, in accordance with embodiments of the invention are disclosed. One embodiment includes a processor, and storage containing data relating combinations of resolution and frame rates to maximum bitrates, where a plurality of resolution and frame rates that are related to the same maximum bitrate form a maximum bitrate level. In addition, an encoding application configures the processor to encode a video stream as a plurality of video streams having different resolutions and frame rates, where the target maximum bitrate used during the encoding is selected based upon the maximum bitrate levels of the resolution and frame rate combinations indicated within the data relating combinations of resolution and frame rates to maximum bitrates.
Abstract:
Multiphase adaptive bitrate streaming systems and methods III accordance with embodiments of the invention are disclosed. One embodiment of the invention includes a processor configured, via a client application, to request portions of files from a remote server. In addition, the client application further configures the processor to commence streaming by requesting portions of the encoded media from one of the plurality of alternative streams, and measure streaming conditions.