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Distributed document transcoding system

A distributed and documented technology, applied in the field of distributed transcoding and task scheduling, can solve problems such as distortion of transcoding results, slow loading speed, and reduced utilization of system resources

Inactive Publication Date: 2013-05-08
潘旻琦 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Flash is a third-party plug-in, resulting in slow loading speed and poor compatibility
Some directly use the open source transcoder under Linux, resulting in a large part of the transcoding results being distorted
[0003] Traditional transcoding tasks are scheduled, assigned, and managed by a dedicated task scheduling server. When there are many tasks to be transcoded and the number of transcoding servers is limited, task scheduling will lead to a large waste of system resources. At the same time, the transcoding server Self-state changes will also greatly reduce the utilization of system resources

Method used

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Embodiment Construction

[0019] The transcoding described in the present invention is a conversion from a complex document format to a unified compatible image format, while ensuring a distortion-free transcoding result. For example, the PDF file, the transcoding process is to extract the data of each page from the PDF file, and then write the data of each page into the image file (JPG image file is used as an example below) to obtain the required file; for Word and PowerPoint file, considering that the recognition result of the existing open source transcoder to this file encoding format is too rough, which affects reading, so the present invention directly utilizes the advantages of Windows itself and uses Microsoft's excellent recognition ability for its own document format , convert this file into a PDF file without distortion, and then perform PDF transcoding.

[0020] The term “no distortion” means that there is no difference in content and format between the input file and the output file. The...

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Abstract

The invention discloses a distributed document transcoding system. A distributed framework comprises a user uploading interface, a task queue server, two kinds of transcoding server groups (a Linux server group, a Windows server group), and a public server. After a document coded format is classified by the system, a task is pressed in the task queue. According to a priority level, a task server allocates tasks to the transcoding server groups. The transcoding server group keeps monitoring a certain port of the task server and asks for task data according to the own state. After being processed, an intermediate product is transmitted to a next processing procedure and a new task appears and is pressed in the task server message queue, and finally, a picture format of the document is available. The distributed document transcoding system improves the expandability of the system, effectively utilizes the system resources so that different kinds of digital documents are convenient to read online on the internet.

Description

technical field [0001] The invention relates to distributed transcoding and task scheduling technology, and belongs to the field of multi-format digital document processing. Background technique [0002] With the development of office electronics, online document reading and online document sharing have gradually become indispensable services and technologies for online office. Document transcoding enables electronic documents in different formats to be displayed and read on web pages and different mobile devices. The current traditional solution is to use Flash as the player, such as the common Baidu Library, Douding and Daoke Baba. Users can convert their own Electronic documents in various formats are uploaded to the server, and the server transforms them into a format that can be recognized by the Flash player through transcoding and dumping. However, Flash is a third-party plug-in, resulting in slow loading speed and poor compatibility. Some directly use the open sour...

Claims

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Application Information

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IPC IPC(8): G06F17/30H04L29/06
Inventor 潘旻琦刘理博
Owner 潘旻琦
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