US 10,951,914 B2 · Reliable large group of pictures (GOP) file streaming to wireless displays

Abstract

One or more system, apparatus, method, and computer readable media is described for reducing the GOP length during a direct pass-through of an encoded video stream format that is supported by the decoder at the sink. In some embodiments, the encoded video stream is decoded on the source device and employed to generate and insert supplemental intra-predicted frames (I-frames) at shorter intervals allowing for faster recovery in the event of lost packets/frames when transmitted to a sink display. In some embodiments, Residual Artifact Suppressed (RAS) inter-predicted frames are further created and inserted in place of any frames that reference a frame converted to a supplemental I-frame. The encoded video stream passed through will consist of all the original frames except for the supplemental I-frames reducing the GOP, and RAS inter-predicted frames modified to prevent propagation of residual induced artifacts.

Claims20

Dependent claims

An image frame display source apparatus, comprising:

an audio/video (AV) pipeline to access an encoded video stream from a storage device, the encoded video stream comprising a group of pictures (GOP) including a plurality of inter-predicted frames and a first intra-predicted frame;
one or more processors to modify the encoded video stream with a selective transcoding of only a subset of the inter-predicted frames in the GOP, the selective transcoding including a transcoding of a first subset of the inter-predicted frames into second intra-predicted frames that are inserted among others of the inter-predicted frames encoded according to the GOP;
and
a physical layer device to communicate the modified encoded video stream through a transmission protocol.

1 more element

A method for direct pass-through of an encoded video stream, the method comprising:

accessing the encoded video stream from a storage device, the encoded video stream comprising a group of pictures (GOP) including a plurality of inter-predicted frames and a first intra-predicted frame;
modifying the encoded video stream by selectively transcoding only a subset of the inter-predicted frames in the GOP, the selective transcoding including transcoding a first subset of the inter-predicted frames into second intra-predicted frames that are inserted among a remainder of the inter-predicted frames encoded according to the GOP;
and
transmitting the modified encoded video stream over a physical layer device.

1 more element

Dependencies are inferred from the claim text.

Reliable large group of pictures (GOP) file streaming to wireless displays

Life of this patent

Reliable large group of pictures (GOP) file streaming to wireless displays

Life of this patent

Abstract

Claims20