Patent classifications
H04N21/23406
ADAPTIVE VIDEO SLEW RATE FOR VIDEO DELIVERY
Systems and methods for adaptively adjusting a slew rate of a dejitter buffer in a remote device in a distributed access architecture. The slew rate may be adjusted based on measurements of a fullness state of a buffer made over time. The measurements may be used to calculate a frequency offset value between the rate at which data leaves the buffer relative to the rate at which data enters the buffer and/or used to calculate a current working depth of the buffer. The adaptive slew rate adjustments may be based on the frequency offset value and/or the current working depth.
Method for intelligent buffering for over the top (OTT) video delivery
Aspects of the subject disclosure may include, for example, selecting a set of traffic counters, wherein the traffic counters provide a profile of viewing habits of a user, and wherein the traffic counters are extracted from video streaming by the user; predicting a size of a video buffer based on the traffic counters selected; and building the video buffer based on the predicted size. Other embodiments are disclosed.
Dynamic playout buffer for disparate live media output stream
A system is provided for publishing first programming schedule that references at least one or more pre-encoded media assets and/or one or more live input streams, and comprises one or more playout buffer features enabled via one or more constraints and rights. Each playout buffer feature of the one or more playout buffer features is associated with corresponding number of media segments that represents the one or more pre-encoded media assets and/or one or more live input streams. A request is received that comprises at least a stream identifier and at least an additional parameter. In accordance with a playout buffer feature from the one or more playout buffer features and at least the additional parameter, manifest data and indexed metadata of one or more media segments associated with stream identifier is inserted to first disparate live media output stream manifest and first disparate live media output stream is generated.
Intelligent synchronization of media streams
Systems and methods for intelligent synchronization of media streams are provided. A server may receive streams corresponding to an interactive session and sent over a communication network from user devices in the interactive session. A predetermined attribute may be identified as present in each of the streams, but received at different times by the server. The server may determine a time difference between a time that a predetermined attribute in a first stream of the streams was received and a time that the predetermined attribute in a second stream of the streams was received. The first stream and the second stream may then be synchronized using the time difference and provided to a recipient device.
PARTIAL VIDEO ASYNC SUPPORT USING R-MACPHY DEVICE
Systems and methods for providing timing information from a R-MACHPHY device to a video core while the R-MACPHY device receives video data from the video core while operating in asynchronous mode. In some embodiments, the R-MACPHY device may alternately and selectively configure its mode of operation to alternate between synchronous mode and asynchronous mode, and provide the timing information to the video core when it switches to asynchronous mode.
Buffer management for optimized processing in media pipeline
Automated processes, computing systems, computing devices, and other aspects of a data processing system improve reliability in transmitting digital media content over a network using resource constrained hardware. Media content may be received from a media source and used to generate data segments. An address may be written to a message queue, with the address referencing a first segment of the media content stored in the buffer. A computing device may check whether a number of addresses stored in a message queue is greater than or equal to a first threshold value. A second segment of the media content may be written to the message queue in response to the number of addresses stored in the message queue being greater than or equal to the first threshold value.
TRANSPORT STREAM AUTOMATIC CHANGE OVER
A device, system, and method perform an automatic change over for transport streams. The method is performed at an output server. The method includes selecting a first transport stream. The method includes generating a first portion of an output based on the first transport stream. The method includes selecting a second transport stream. The method includes determining a frametime to synchronize first packets of the first transport stream to second packets of the second transport stream. The frametime is based on a start time of a content item included in the first transport stream and the second transport stream and a completed progression of the content item using the first transport stream. The method includes determining a location in the second transport stream based on the frametime. The method includes generating a second portion of the output based on the second transport stream starting at the location.
INTELLIGENT SYNCHRONIZATION OF MEDIA STREAMS
Systems and methods for intelligent synchronization of media streams are provided. A server may receive streams corresponding to an interactive session and sent over a communication network from user devices in the interactive session. A predetermined attribute may be identified as present in each of the streams, but received at different times by the server. The server may determine a time difference between a time that a predetermined attribute in a first stream of the streams was received and a time that the predetermined attribute in a second stream of the streams was received. The first stream and the second stream may then be synchronized using the time difference and provided to a recipient device.
System for active-focus prediction in 360 video
Aspects of the subject disclosure may include, for example, predicting a field of view of a viewer to obtain a predicted field of view based on information about the viewer and a scoring of a point of interest in media content. A line of sight is obtained between the viewer and a presentation of the media content to obtain a viewer line of sight, and the scoring of the point of interest in the media content is updated to obtain an updated scoring based on the viewer line of sight, the predicted field of view being updated according to the updated scoring. Other embodiments are disclosed.
SELECTIVE MULTIPLE-INSTANCE ENCODING OF VIDEO FRAMES TO PROVIDE TARGET FRAME RATE DURING NETWORK TRANSMISSION
A system includes a video source device connected to a video destination device via a network. The video source device includes a network interface and an encoder coupled to the network interface. The encoder is configured to encode a first stream of rendered video frames having a first frame rate to generate a second stream of encoded video frames for transmission over the network via the network interface, wherein the second stream has a second frame rate greater than the first frame rate. As part of this encoding process, the encoder is configured to selectively encode multiple instances of at least one video frame of the first stream for inclusion in the second stream to compensate for the difference between the first frame rate and the second frame rate.