DIVX, LLC Patent applications |
Patent application number | Title | Published |
20150188756 | SYSTEMS AND METHODS FOR INDICATING EVENTS OF INTEREST FROM A SERVER - Methods and systems to indicate events of interest to a user. IN an embodiment, an event processor queries each of a plurality of event data sources, then receives event data from one or more event data source. The event processor then identifies an event to be indicated to a user device based on the event data. The identified event to the user through a user device. The event processor may receive, via the user device, feedback regarding the identified event. This feedback may be used to train future event identification. The event processor may be implemented at a computing device that is remote from the user, such as a server. Alternatively, the event processor may be implemented internal to the user device. | 07-02-2015 |
20150036757 | SYSTEMS AND METHODS FOR ADAPTIVELY APPLYING A DEBLOCKING FILTER - Systems and methods for adaptively applying a deblocking filter using a maximum bitrate and/or resolution thresholds are disclosed. In one embodiment, post-processing encoded video data utilizing an adaptive deblocking filter include determining threshold values for maximum bitrate and resolution of encoded video based upon a minimum acceptable video quality for a playback device, selecting a video stream comprising encoded video data with an associated maximum bitrate and resolution, where the video stream is selected based upon an available bandwidth between the playback device and a content distribution server, obtaining encoded video data for a portion of the video stream, decoding the video data for the portion of the video stream, adaptively applying the deblocking filter to the decoded video data for the portion of the video stream, where the deblocking filter is applied utilizing at least one of the determined maximum bitrate and resolution thresholds. | 02-05-2015 |
20140241420 | Systems and Methods of Encoding Multiple Video Streams for Adaptive Bitrate Streaming - Systems and methods for encoding multiple video streams in accordance with embodiments of the invention are disclosed. In one embodiment, a source encoder configured to encode source video as a number of alternative video streams includes a parallel processing system configured to collect statistics on source video data and write the statistics to shared memory in a first pass through received multimedia content, determine initial encoding information for source video data and write the initial encoding information to shared memory during the first pass, encode the source video data in parallel using collected statistics and initial encoding information to produce a plurality of alternative video streams during a second pass, and parallel encoding processes are configured to reuse additional encoding information that has already been determined for a portion of video and to generate additional encoding information that has not already been determined for a portion of video. | 08-28-2014 |
20140211840 | MULTIMEDIA DISTRIBUTION SYSTEM - A multimedia file and methods of generating, distributing and using the multimedia file are described. Multimedia files in accordance with embodiments of the present invention can contain multiple video tracks, multiple audio tracks, multiple subtitle tracks, a complete index that can be used to locate each data chunk in each of these tracks and an abridged index that can enable the location of a subset of the data chunks in each track, data that can be used to generate a menu interface to access the contents of the file and ‘meta data’ concerning the contents of the file. Multimedia files in accordance with several embodiments of the present invention also include references to video tracks, audio tracks, subtitle tracks and ‘meta data’ external to the file. One embodiment of a multimedia file in accordance with the present invention includes a series of encoded video frames, a first index that includes information indicative of the location within the file and characteristics of each encoded video frame and a separate second index that includes information indicative of the location within the file of a subset of the encoded video frames. | 07-31-2014 |
20140096171 | SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR LOAD ADAPTIVE STREAMING - Methods, systems, and computer program products that allow for the load adaptive downloading, processing, and rendering of video by a video processing client, where the downloading is adaptive to the processing load of a computing system on which a video processing client operates. | 04-03-2014 |
20140095713 | Predictive Vector-Based Transitioning of Mobile Wireless Devices - Predictive vector-based addressing to provide uninterrupted packet-based content to a wireless device as the wireless device roams within a network. A static channel is established between the network and a content provider based on credentials of the wireless device. Content is received from the content provider over the static channel, buffered, and provided to the wireless device through a first wireless access point (AP). A motion trajectory is estimated for the wireless device, and one or more destination APs are predicted for the wireless device based on a combination of the motion trajectory, geographic location of network APs, and one or more travel constraints. Identical buffered content is provided to the wireless device through the first AP and the one or more predicted destination APs during a transition period, synchronous with one another. The static channel is maintained with the content provider during the transition period. | 04-03-2014 |
20140092864 | Mobile Wireless Device with Internal Network to Interface Between an External Network and a Device User Interface - A mobile wireless communication device to host an internal packet-protocol network to interface between an external network and a user-interface of the device. A first transceiver provides a static channel to the user-interface. A second transceiver receives content, such as streaming media, from the external network over a wireless channel. Received content is buffered and provided to the user-interface by the first transceiver at a second data rate. The device may request a change to the first data rate to avoid buffer overflow and exhaustion. The second transceiver receives notice from the external network of one or more destination POPs to which the system is predicted to roam, and receives identical synchronized content from the first POP and at least one predicted destination POP during a transition period without additional negotiation. Redundant content received from multiple POPs. | 04-03-2014 |
20140068096 | System and Method for Decreasing an Initial Buffering Period of an Adaptive Streaming System - System and methods for selecting one of the alternative streams of encoded media from a group of alternative streams of encoded media for use during start-up of playback of the encoded media in accordance with embodiments of this invention are disclosed. The systems and methods begin by determining an estimated stability period for a current bandwidth of a communicative connection between the playback device and a remote system providing the alternative streams of encoded. A test process is then performed on the streams of encoded media to select one of streams of encoded media that provides portions of said encoded media such that an underflow condition does not occur during the estimated stability period. The streaming of encoded media is then commenced by requesting the portions of encoded media be transmitted from the remote server using the selected stream. | 03-06-2014 |
20140006635 | ADAPTIVE STREAMING OF MULTIMEDIA | 01-02-2014 |
20140003799 | SYSTEMS AND METHODS FOR DECODING A VIDEO SEQUENCE ENCODED USING PREDICTIONS THAT INCLUDE REFERENCES TO FRAMES IN REFERENCE SEGMENTS FROM DIFFERENT VIDEO SEQUENCES | 01-02-2014 |
20140003523 | SYSTEMS AND METHODS FOR ENCODING VIDEO USING HIGHER RATE VIDEO SEQUENCES | 01-02-2014 |
20140003516 | SYSTEMS AND METHODS FOR FAST VIDEO STARTUP USING TRICK PLAY STREAMS | 01-02-2014 |
20140003502 | Systems and Methods for Decoding Video Encoded Using Predictions that Reference Higher Rate Video Sequences | 01-02-2014 |
20140003501 | Systems and Methods for Compressing Geotagged Video | 01-02-2014 |
20130339855 | Systems and Methods for Adaptive Streaming Systems with Interactive Video Timelines - Systems and methods for adaptive streaming systems configured to generate interactive video timelines in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a method for selecting video to stream and playback using an interactive video timeline includes selecting a plurality of frames of video from a first stream of video data using a network client, displaying the plurality of frames of video in an interactive video timeline using the network client, selecting a playback frame of video data from the plurality of frames of video in the interactive video timeline using the network client, receiving a second stream of video data beginning from the playback frame of video data using the network client, and playing the second stream of video data using the network client. | 12-19-2013 |
20130336412 | System and Methods for Encoding Live Multimedia Content with Synchronized Audio Data - Systems and methods for encoding live multimedia content with audio data synchronized with other streams of data, including video data, in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, an encoding system includes 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 data samples and the timeline, measure a synchronization value of the aligned audio data to the video data using the timeline, realign the audio data to the video data when the synchronization value exceeds a threshold value using the timeline, and multiplex the audio data and video data into a container file. | 12-19-2013 |
20130336379 | System and Methods for Encoding Live Multimedia Content with Synchronized Resampled Audio Data - 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. | 12-19-2013 |
20130114944 | CHUNCK HEADER INCORPORATING BINARY FLAGS AND CORRELATED VARIABLE-LENGTH FIELDS - Playback and distribution systems and methods for multimedia files are provided. The multimedia files are encoded with flags associated with the content data of the multimedia files. Through the use of the flags, playback of the content is enhanced without significantly increasing the file size of the multimedia file. | 05-09-2013 |
20130061045 | Systems and Methods for Playing Back Alternative Streams of Protected Content Protected Using Common Cryptographic Information - 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 of the invention includes a processor, and memory containing a client application. In addition, the client application configures the processor to: request a top level index file identifying a plurality of alternative streams of protected content, where each of the alternative streams of protected content are encrypted using common cryptographic information; obtain the common cryptographic information; request portions of content from at least the plurality of alternative streams of protected content; access the protected content using the common cryptographic information; and playback the content. | 03-07-2013 |
20130061040 | SYSTEMS AND METHODS FOR PROTECTING ALTERNATIVE STREAMS IN ADAPTIVE BITRATE STREAMING SYSTEMS - 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. | 03-07-2013 |
20130058393 | Systems and Methods for Encoding and Streaming Video Encoded Using a Plurality of Maximum Bitrate Levels - 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. | 03-07-2013 |
20130055293 | SYSTEMS AND METHODS FOR UTILIZING SUPPORTED PLAYERS VIA A SHARED MULTIMEDIA FRAMEWORK - A multimedia framework capable of facilitating communication between an application and one or more supported players in accordance with embodiments of the invention is disclosed. One embodiment includes a multimedia framework configured to communicate with at least one application and at least one installed player; where the multimedia framework is configured to receive messages from the at least one application; where the multimedia framework is configured to parse the messages and identify a player and an instruction contained within the message; where the multimedia framework is configured to determine whether the identified player is an installed player; where the multimedia framework is configured to identify at least one player command from a set of common player commands based upon the instruction; where the multimedia framework is configured to provide the at least one player command to the identified installed player. | 02-28-2013 |
20130055084 | HIERARCHICAL AND REDUCED INDEX STRUCTURES FOR MULTIMEDIA FILES - Playback and distribution systems and methods for multimedia files are provided. The multimedia files are encoded with indexes associated with the content data of the multimedia files. Through the use of the indexes, playback of the content is enhanced without significantly increasing the file size of the multimedia file. | 02-28-2013 |
20130054960 | SYSTEMS AND METHODS FOR APPLICATION IDENTIFICATION - Systems and methods for application identification in accordance with embodiments of the invention are disclosed. In one embodiment, a user device includes a processor and memory configured to store an application, a session manager, an application identifier, and at least one shared library, and the processor is configured by the session manager to communicate the application identifier and the application identifier data to an authentication server and permit the execution of the application in response to authentication of the application by the authentication server. | 02-28-2013 |
20130054958 | Systems and Methods for Performing Adaptive Bitrate Streaming Using Automatically Generated Top Level Index Files - Systems and methods for performing adaptive bitrate streaming using top level index files automatically generated based upon the capabilities of a playback device in accordance with embodiments of the invention are disclosed. One embodiment of the method of the invention includes requesting a top level index file from a playback server using a playback device, where the request identifies a piece of content and includes information describing the capabilities of the playback device, receiving a top level index file from the playback server using the playback device, where the top level index file describes a plurality of streams accessible to the playback device and identifies the location of the streams, selecting initial streams using the playback device, and retrieving at least a portion of the initial streams from the locations identified in the top level index file using the playback device. | 02-28-2013 |
20130019107 | FEDERATED DIGITAL RIGHTS MANAGEMENT SCHEME INCLUDING TRUSTED SYSTEMS - Federated systems for issuing playback certifications granting access to technically protected content are described. One embodiment of the system includes a registration server connected to a network, a content server connected to the network and to a trusted system, a first device including a non-volatile memory that is connected to the network and a second device including a non-volatile memory that is connected to the network. In addition, the registration server is configured to provide the first device with a first set of activation information in a first format, the first device is configured to store the first set of activation information in non-volatile memory, the registration server is configured to provide the second device with a second set of activation information in a second format, and the second device is configured to store the second set of activation information in non-volatile memory. | 01-17-2013 |
20130007467 | BINDING OF CRYPTOGRAPHIC CONTENT USING UNIQUE DEVICE CHARACTERISTICS WITH SERVER HEURISTICS - Systems and methods for binding of cryptographic content using unique device characteristics with server heuristics in accordance with embodiments of the invention are disclosed. One embodiment includes a processor and memory includes collecting a combination of device characteristics that uniquely identify the device using information stored on the device and accessible to the device using the device processor, generating device match data based upon the collected combination of device characteristics using the device processor, generating a device protection key using the device match data, encrypting the cryptographic data using the device protection key, and storing the encrypted cryptographic data in device memory using the device processor. | 01-03-2013 |
20130007297 | Systems and Methods for Performing Multiphase Adaptive Bitrate Streaming - Multiphase adaptive bitrate streaming systems and methods in accordance with embodiments of the invention are disclosed. One embodiment of the invention includes a processor configured to request portions of files. In addition, the processor streams encoded media in a first operational phase utilizing a first set of stream switching conditions. When at least one phase transition criterion is satisfied, the client application configures the processor to transition to a second operational phase utilizing a second set of stream switching conditions. | 01-03-2013 |
20130007263 | Systems and Methods for Estimating Available Bandwidth and Performing Initial Stream Selection When Streaming Content - 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. | 01-03-2013 |
20130007200 | SYSTEMS AND METHODS FOR DETERMINING AVAILABLE BANDWIDTH AND PERFORMING INITIAL STREAM SELECTION WHEN COMMENCING STREAMING USING HYPERTEXT TRANSFER PROTOCOL - 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. | 01-03-2013 |
20120179834 | Systems and Methods for Performing Adaptive Bitrate Streaming Based Upon the Delay of Each Stream and the Channel Rate - Systems and methods for adaptive bitrate streaming in which playback devices select streams based upon stream delay and channel rate in accordance with embodiments of the invention are disclosed. One embodiment is configured to select a first video stream from a set of alternative streams, where at least a plurality of the alternative 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 streams that are encoded at a higher maximum bitrate, request chunks of the first video stream and store the requested chunks in the buffer, playback the buffered chunks, measure the channel data rate, and select a second video stream from the set of alternative streams, where the second video stream has a maximum bitrate that is less than the measured channel data rate. | 07-12-2012 |
20120177101 | Systems and Methods for Encoding Alternative Streams of Video for Use in Adaptive Bitrate Streaming - Systems and methods for encoding alternative streams for use in adaptive bitrate streaming based upon the delay of each stream in accordance with embodiments of the invention are described. One embodiment of the invention includes memory, and a processor configured by a source encoding application to: receive multimedia content, where the multimedia content includes source video data having a primary resolution and a primary sample aspect ratio; and encode the source video data as a set of alternative video streams, where: the alternative video streams have different maximum bitrates; and 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. | 07-12-2012 |
20120174093 | SYSTEMS AND METHOD FOR DYNAMICALLY LOADING SOFTWARE PLATFORMS ONTO PLAYBACK DEVICES - Systems and methods are disclosed that dynamically load a software platform for a playback device. One embodiment includes a playback device, including a processor, and memory containing a platform installer, where the platform installer configures the processor to dynamically load a software platform from a remote server into device memory that provides a runtime environment for applications using a software platform configuration. | 07-05-2012 |
20110276585 | SYSTEMS AND METHODS FOR ACCESSING CONTENT USING AN INTERNET CONTENT GUIDE - Systems and methods for providing Internet Content Guides (ICG) on playback devices that can be used to access content via the Internet from a plurality of sources using a remote database containing navigation hierarchy definitions for specific device models and/or device instances are described, where content metadata included in the remote database is collected by a remote server from the plurality of sources. One embodiment of the invention includes a metacenter configured to retrieve content metadata from feeds on a plurality of remote servers describing content accessible via the remote servers and to use the content metadata retrieved from the feeds to update a content metadata database, and a plurality of playback devices configured to communicate with the metacenter and access content via the Internet. In addition, the content metadata database defines a plurality of navigation hierarchies for different playback devices, where each navigation hierarchy includes category information and content information, each playback device is configured to obtain a navigation hierarchy appropriate to the playback device from the metacenter, where the navigation hierarchy obtained by the playback device only includes category and content information that the playback device is authorized to access and is capable of playing back, and the playback devices are configured to generate an Internet content guide using the navigation hierarchy obtained from the metacenter. | 11-10-2011 |
20110258623 | REAL TIME FLASH BASED USER INTERFACE FOR MEDIA PLAYBACK DEVICE - Common clients for consumer electronics devices that include natively implemented virtual machines are described. One embodiment of the invention includes audio and video decoders, a natively implemented host process, a natively implemented virtual machine, a common client including natively implemented processes configured to coordinate playback of audio and video using the playback device's audio and video decoders, a VM framework configured to execute within the virtual machine and to enable scripts executing within the virtual machine to initiate playback of audio and video using the natively implemented processes, and a user interface implemented as a script configured to be executed within the virtual machine. | 10-20-2011 |
20110135090 | ELEMENTARY BITSTREAM CRYPTOGRAPHIC MATERIAL TRANSPORT SYSTEMS AND METHODS - Systems and methods for providing multimedia content from one process or component to another process or component over an unsecured connection are provided. One embodiment includes obtaining the cryptographic information, extracting the at least partially encrypted video data from the container file to create an elementary bitstream, enciphering the cryptographic information, inserting the cryptographic information in the elementary bitstream, providing the elementary bitstream to a video decoder, extracting the cryptographic information from the elementary bitstream at the video decoder, deciphering the cryptographic information, decrypting the elementary bitstream with the cryptographic information and decoding the elementary bitstream for rendering on a display device using the video decoder. | 06-09-2011 |
20110129202 | SYSTEM AND METHOD FOR DETERMINING BIT STREAM COMPATIBILITY - Systems and methods for determining whether a decoder can playback compressed video identified as being encoded with an operating profile and/or level unsupported by the decoder are shown. Systems and methods are described for playing back video encoded as an elementary bitstream, where the elementary bitstream has a specified encoding profile and satisfies at least one playback condition. A number of embodiments include a decoder that is incapable of playing back video encoded in accordance with the specified encoding profile. In addition, the decoder is configured to locate the specified encoding profile within the elementary bitstream. The decoder is also configured to determine whether the elementary bitstream satisfies the at least one playback condition in response to the location of the specified encoding profile within the elementary bitstream. Furthermore, the decoder is configured to commence playback of the elementary bitstream based upon the determination that the at least one playback condition is satisfied. | 06-02-2011 |
20110099225 | VIDEO DISTRIBUTION SYSTEM INCLUDING PROGRESSIVE PLAYBACK - A receiver driven approach for playback of remote content is described. One embodiment includes obtaining information concerning the content of the media file from the remote server, identifying a starting location within the media sequence, identifying byte ranges of the media file corresponding to media required to play the media sequence from the starting location, requesting the byte ranges required to play the media sequence from the starting location, buffering received bytes of information pending commencement of playback, playing back the buffered bytes of information, receiving a user instruction, identifying byte ranges of the media file corresponding to media required to play the media sequence in accordance with the user instruction, flushing previous byte range requests, and requesting the byte ranges required to play the media in accordance with the user instruction. | 04-28-2011 |