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Video bitstream processing for call-in

A video processing and bit stream technology, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as delay, and achieve the effect of fast video decoding and playback

Active Publication Date: 2020-03-31
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This means that there is a noticeable delay in jumping back in time by pressing the "left" button until playback restarts

Method used

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  • Video bitstream processing for call-in
  • Video bitstream processing for call-in
  • Video bitstream processing for call-in

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0042] The same reference numerals are used for similar or corresponding elements throughout the drawings.

[0043] This embodiment generally relates to the processing of streaming video bit streams. In particular, the embodiments relate to the played or replayed portion of a video bitstream that is tuned into streaming during video navigation, for example.

[0044] The video navigation used in this article refers to the process in which the user moves from playing or replaying a part of the video stream to playing or replaying another part of the video bitstream. For example, the user may want to jump back in time to restart video playback from a previous scene in the movie. Then, this embodiment provides a solution to reduce the delay before the video playback restarts after the video navigation.

[0045] The streamed video bitstream of the embodiment includes encoded video data, which is divided into a plurality of blocks of encoded video data. Each such block starts with an in...

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PUM

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Abstract

Chunks (12, 14) of encoded video data of a streamed video bitstream (1) are stored and encoded video data is decoded to form decoded video data to be output for display. A selected portion (12) of the stored chunks (12, 14) or selected sub-chunks (25, 27) of the stored chunks (20, 22) for a previous, already played out part (3) of the streamed video bitstream (1) is or are discarded while keeping selected stored chunks (14) or selected sub-chunks (21, 23) stored as navigation tune-in points. The usage of selected stored chunks (14) or sub-chunks (21, 23) that are not discarded from the already played out part (3) of the streamed video bitstream (1) enables a low delay solution during video navigation when a user wants to jump to a previously played out position (5) within the streamed video bitstream (1).

Description

Technical field [0001] This embodiment generally relates to the processing of a streaming video bitstream, and specifically relates to, for example, the played part of the streaming video bitstream tuned into during video navigation. Background technique [0002] Today's radio-based communication networks are generally sufficient to support video streaming, at least for devices with small screens, such as smart phones. For example, the resolution of the retina screen in the iPhone 5S is 1136×640 pixels, which can be supported in terms of video streaming on the Long Term Evolution (LTE) network. [0003] Although current solutions can be used well for linear playback or playback, this is not the case for video navigation (ie when the user moves the video cursor to another part of the streamed video bitstream). For example, if the user wants to jump forward twenty minutes in a Netflix movie, the video data at that position is not available at the user's video player. The video play...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/432H04N21/4335H04N21/4402H04N21/6587H04N21/845
CPCH04N21/4325H04N21/4335H04N21/440263H04N21/6587H04N21/8453H04N21/8456H04N21/4402
Inventor 雅各布·斯特罗姆理查德·米蒂克比阿特丽斯·格拉芙拉-冈萨雷斯王莺托马斯·卢瑟
Owner TELEFON AB LM ERICSSON (PUBL)