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Multimedia data stream format, metadata generator, encoding and decoding method and system

A multimedia data stream and multimedia technology, applied in electrical components, image communication, selective content distribution, etc., can solve problems such as long waiting time and large amount of processed data

Inactive Publication Date: 2017-10-20
MSTAR SOFTWARE R&D (SHENZHEN) LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to solve the problems in the above-mentioned prior art that the multimedia data stream needs to be retrieved and downloaded from the beginning, resulting in a large amount of processed data and a long waiting time, the present invention discloses a multimedia data stream format, a metadata generator, an encoding method, An encoding system, a decoding method and a decoding system

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  • Multimedia data stream format, metadata generator, encoding and decoding method and system
  • Multimedia data stream format, metadata generator, encoding and decoding method and system
  • Multimedia data stream format, metadata generator, encoding and decoding method and system

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Embodiment Construction

[0048] In order to solve the problem of excessive processing data volume and long waiting time in the above-mentioned prior art, the method adopted in the present invention is to specify a plurality of multimedia positioning frames in the multimedia data stream, and change all multimedia frames between any two multimedia positioning frames to placed in the user data region (User Data Region) included in the earlier multimedia positioning frame, so that the metadata only needs to store the location information of each multimedia positioning frame and the number of multimedia frames placed in its user data region, The multimedia positioning frame to be downloaded and played and the multiple multimedia frames it contains can be quickly retrieved through the metadata, and the disadvantage of needing to wait for all the multimedia frames before the multimedia positioning frame to be downloaded can be played before it can be played. , and achieve the effect of quickly playing the spe...

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Abstract

The invention relates to multimedia data stream format, metadata generator, encoding and decoding method and system. By determining the multimedia positioning frame in the multimedia data stream, generating metadata according to the position information of the multimedia positioning frame and the number of following multimedia frames, and moving a plurality of following multimedia frames into the user data area of ​​the multimedia positioning frame, it is possible to The size of the data stored in the metadata is reduced, and when the user wants to watch a multimedia frame at a specific time point, it is not necessary to wait for all the multimedia frames to be downloaded before the specific time point before decoding and playing the specified multimedia frame.

Description

technical field [0001] The present invention discloses a multimedia data stream format, a metadata generator, an encoding method, an encoding system, a decoding method, and a decoding system, especially a multimedia data stream format and a metadata generator applying the multimedia data stream format , an encoding method and an encoding system using the metadata generator, a decoding method and a decoding system for decoding corresponding to the encoding method and the encoding system. Background technique [0002] When watching multimedia files implemented by Progressive Streaming (such as Youtube) online, users need to wait for a certain amount of time to wait for the system to download a complete multimedia file before they can start viewing the multimedia file; Under the current situation that the file size is getting larger and larger, the waiting time of the user is getting longer and longer, which will affect the convenience and immediacy of online viewing. [0003]...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/236H04N21/434H04N21/2343H04N21/4402
Inventor 王颂文童怡新林品廷
Owner MSTAR SOFTWARE R&D (SHENZHEN) LTD