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Method for quickly previewing online streaming media video content in MP4 format

A technology of video content and streaming media, applied in the field of fast preview of online streaming media video content in MP4 format, can solve problems such as poor video experience, achieve better understanding and improve preview efficiency.

Active Publication Date: 2018-06-01
HANGZHOU ARCVIDEO TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When watching an online video in MP4 format, users sometimes need to understand the general content of the entire video, such as teaching videos, conference records, and existing video playback technologies. Users can only view other parts of the video by adjusting the playback progress. content, and every time the playback progress is adjusted, the player needs to clear the data of the original playback point, search and download the data of the new playback point, and then perform file parsing and video decoding to display it to the user. The whole process takes a few seconds Time, the user needs to wait for a few seconds each time to know the video content at a certain point in time. Using this method to preview the entire video experience is very poor

Method used

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Experimental program
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Embodiment Construction

[0015] The present invention will be further described below in combination with specific embodiments.

[0016] A method for quickly previewing online streaming video content in MP4 format, specifically comprising the following steps:

[0017] (1) When the user first enters the playback, the size of all key frames in the entire MP4 and their positions in the file can be obtained; according to the characteristics of the MP4 format, MP4 is composed of small boxes, and several small boxes A big box is formed, and the media information is stored in one level from big to small. When the user just starts playing, he can quickly obtain the information of each small box in MP4. A box, you can get the size of all key frames in the entire MP4 and their positions in the file; a key frame is video data that can be decoded independently, send this frame of data to the decoder, and the decoder immediately returns the decoded image data;

[0018] (2) After obtaining the information of all ...

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PUM

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Abstract

The invention discloses a method for quickly previewing online streaming media video content in an MP4 format. The method specifically comprises the following steps: when a user just enters playing, acquiring the size of all key frames in an entire MP4 and locations of the key frames in a file; after acquisition of information about all the key frames, executing an action of selecting key frames from the entire video file for the first time, uniformly selecting a plurality of key frames from all the key frames, and downloading the selected key frames, so that the user can preview the entire video file at any time, a key frame picture being closest to a location designated by the user is presented to the user; and after the first selection and downloading of the key frames, continuing second or more times of selection and downloading, wherein the density of the second selection is higher than the density of the first selection, and the user can get a better understanding of the entire video. The method has the beneficial effects that the user can quickly preview full content of an online MP4 video without any waiting, thus greatly increasing the previewing efficiency.

Description

technical field [0001] The present invention relates to the technical field related to video playing, in particular to a method for quickly previewing online streaming video content in MP4 format. Background technique [0002] When watching an online video in MP4 format, users sometimes need to understand the general content of the entire video, such as teaching videos, conference records, and existing video playback technologies. Users can only view other parts of the video by adjusting the playback progress. content, and every time the playback progress is adjusted, the player needs to clear the data of the original playback point, search and download the data of the new playback point, and then perform file parsing and video decoding to display it to the user. The whole process takes a few seconds Time, the user needs to wait for a few seconds each time to know the video content at a certain point in time. Using this method to preview the entire video experience is very p...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L65/60H04L65/80
Inventor 王国铼裘昊孙彦龙
Owner HANGZHOU ARCVIDEO TECHNOLOGY CO LTD
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