CN112689150A - Design of high-performance video conversion server - Google Patents

Design of high-performance video conversion server Download PDF

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Publication number
CN112689150A
CN112689150A CN202011476673.6A CN202011476673A CN112689150A CN 112689150 A CN112689150 A CN 112689150A CN 202011476673 A CN202011476673 A CN 202011476673A CN 112689150 A CN112689150 A CN 112689150A
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China
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transcoding
video
hardware
server
communication connection
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CN202011476673.6A
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Chinese (zh)
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王旭初
杨硕
余晨
刘磊
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Beijing Institute of Computer Technology and Applications
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Beijing Institute of Computer Technology and Applications
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Priority to CN202011476673.6A priority Critical patent/CN112689150A/en
Publication of CN112689150A publication Critical patent/CN112689150A/en
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Abstract

The invention discloses a design of a high-performance video transcoding server, which comprises a software part, a hardware part and a transcoding server, wherein the software part is arranged on the hardware part, and the transcoding server is arranged on the hardware part. The invention belongs to the technical field of videos, and particularly relates to a design of a high-performance video conversion server; the invention is mainly used in the field of video service, and can efficiently transcode video files and video streams with different formats to form new files or video streams, thereby effectively solving the problem of low processing speed of a general processor in the current market when processing a special algorithm.

Description

Design of high-performance video conversion server
Technical Field
The invention belongs to the technical field of videos, and particularly relates to a design of a high-performance video conversion server.
Background
Video coding and decoding: video coding is a process of compressing and transforming original image data through an algorithm to form a new video data representation format. The video decoding is a process of restoring a video image from an encoded video through algorithm inverse operation. Common coding and decoding algorithms are H264, H265, and the like.
ES: elementary Stream encoded raw data Stream.
Video packaging: rules for packing ES streams designed to facilitate storage, transmission, and expansion of encoded ES streams are commonly encapsulated with mp4, ps, mkv, and the like.
The general processor is designed for processing general computing tasks, and is not efficient in processing special algorithms and cannot guarantee real-time performance. The cost of the general-purpose processor is higher, and the general-purpose processor is not optimal in terms of efficiency and cost performance, the efficiency of the GPU acceleration scheme is improved greatly, but the energy efficiency of the GPU is still lower than that of a special circuit, and the cost is also higher.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a design of a high-performance video conversion server, which is mainly used in the field of video services to perform high-efficiency transcoding on video files and video streams in different formats to form new files or video streams, thereby effectively solving the problem of low processing speed of a general processor in the current market when processing a special algorithm.
The technical scheme adopted by the invention is as follows: the invention relates to a design of a high-performance video transcoding server, which comprises a software part, a hardware part and a transcoding server, wherein the software part is arranged on the hardware part, and the transcoding server is arranged on the hardware part; the software part comprises an application program interface, a Linux operating system and a driver, the application program interface is in communication connection with the Linux operating system, the driver is in communication connection with the Linux operating system, the application program interface is provided with a control protocol, a stream media and file conversion interface, the stream media is in communication connection with a transcoding server, the file conversion interface is in communication connection with the transcoding server, the driver is provided with a loading of an encapsulation/decapsulation program, a functional interface of data IO and a general processor, the FPGA is in communication connection with the loading of the encapsulation/decapsulation program, and the functional interface of the data IO is in communication connection with the general processor.
Further, the hardware part comprises a general processor and a hardware transcoding unit, the general processor is connected with the hardware transcoding unit in a communication mode, and the transcoding server is connected with the hardware transcoding unit in a communication mode.
The invention discloses a use method of a high-performance video conversion server, which is characterized by comprising the following steps:
the method comprises the following steps: the streaming media or file conversion interface can be transmitted to the transcoding server through a network;
step two: the file or video stream data with a specific format is transmitted to a hardware transcoding unit loaded with a corresponding transcoding algorithm through a data IO functional interface;
step three: and after high-speed transcoding by the hardware transcoding unit, acquiring transcoded data and storing the transcoded data into a video file or returning the video file to the Linux operating system in a video stream format.
The invention with the structure has the following beneficial effects: the scheme is that the design of a high-performance video conversion server is mainly used in the field of video services, video files and video streams in different formats are efficiently transcoded to form new files or video streams, and the problem of low processing speed of a general processor in the current market when a special algorithm is processed is effectively solved.
Drawings
Fig. 1 is a schematic diagram of a high-performance video converter server according to the present invention.
The system comprises a software part 1, a hardware part 2, a hardware part 3, a transcoding server 4, an application program interface 5, a Linux operating system 6, a driver 7, a control protocol 8, streaming media 9, a file conversion interface 10, FPGA encoding and decoding 11, loading of an encapsulation/decapsulation program 12, a functional interface of data IO 13, a general processor 14 and a hardware transcoding unit.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the design of the high-performance video transcoding server of the present invention includes a software portion 1, a hardware portion 2 and a transcoding server 3, wherein the software portion 1 is disposed on the hardware portion 2, and the transcoding server 3 is disposed on the hardware portion 2; the software part 1 comprises an application program interface 4, a Linux operating system 5 and a driver 6, the application program interface 4 is in communication connection with the Linux operating system 5, the driver 6 is in communication connection with the Linux operating system 5, the application program interface 4 is provided with a control protocol 7, a streaming media 8 and a file conversion interface 9, the streaming media 8 is in communication connection with a transcoding server 3, the file conversion interface 9 is in communication connection with the transcoding server 3, the driver 6 is provided with a loading 11 of an encapsulation/decapsulation program, a functional interface 12 of data IO and a general processor 13, the FPGA codec 10 is in communication connection with the loading 11 of the encapsulation/decapsulation program, and the functional interface 12 of the data IO is in communication connection with the general processor 13.
The hardware part 2 comprises a general processor 13 and a hardware transcoding unit 14, the general processor 13 is connected with the hardware transcoding unit 14 in a communication mode, and the transcoding server 3 is connected with the hardware transcoding unit 14 in a communication mode.
The invention discloses a use method of a high-performance video conversion server, which is characterized by comprising the following steps:
the method comprises the following steps: the streaming media 8 or the file conversion interface 9 can be transmitted to the transcoding server 3 through a network;
step two: the file or video stream data with a specific format is transmitted to a hardware transcoding unit 14 loaded with a corresponding transcoding algorithm through a data IO functional interface 12;
step three: after the high-speed transcoding by the hardware transcoding unit 14, the transcoded data is obtained and stored into a video file or is returned to the Linux operating system 5 in a video stream format.
When the method is used specifically, the streaming media 8 or the file conversion interface 9 can be transmitted to the transcoding server 3 through a network, the file or video stream data in a specific format is transmitted to the hardware transcoding unit 14 loaded with a corresponding transcoding algorithm through the data IO functional interface 12, transcoded at a high speed by the hardware transcoding unit 14 to obtain transcoded data, and the transcoded data is stored into a video file or returned to the Linux operating system 5 in the format of a video stream.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (3)

1. A design of a high-performance video conversion server is characterized in that: the transcoding server is arranged on the hardware part; the software part comprises an application program interface, a Linux operating system and a driver, the application program interface is in communication connection with the Linux operating system, the driver is in communication connection with the Linux operating system, the application program interface is provided with a control protocol, a streaming media and file conversion interface, the streaming media is in communication connection with a transcoding server, the file conversion interface is in communication connection with the transcoding server, the driver is provided with a loading of an encapsulation/decapsulation program, a functional interface of data IO and a general processor, the FPGA is in decapsulation encoding/decoding and loading communication connection of the encapsulation/encapsulation program, and the functional interface of the data IO is in communication connection with the general processor.
2. The design of a high performance video converter server according to claim 1, wherein: the hardware part comprises a general processor and a hardware transcoding unit, the general processor is in communication connection with the hardware transcoding unit, and the transcoding server is in communication connection with the hardware transcoding unit.
3. The invention discloses a use method of a high-performance video conversion server, which is characterized by comprising the following steps:
the method comprises the following steps: the streaming media or file conversion interface can be transmitted to the transcoding server through a network;
step two: the file or video stream data with a specific format is transmitted to a hardware transcoding unit loaded with a corresponding transcoding algorithm through a functional interface of data IO;
step three: and after high-speed transcoding by the hardware transcoding unit, acquiring transcoded data and storing the transcoded data into a video file or returning the video file to the Linux operating system in a video stream format.
CN202011476673.6A 2020-12-15 2020-12-15 Design of high-performance video conversion server Pending CN112689150A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103686209A (en) * 2013-12-13 2014-03-26 乐视网信息技术(北京)股份有限公司 Transcoding and processing method and system with diverse mechanisms
CN103702124A (en) * 2012-09-27 2014-04-02 深圳市快播科技有限公司 Transcoding acceleration method and transcoder
CN107396123A (en) * 2017-09-25 2017-11-24 南京荣膺软件科技有限公司 Portable intelligent dynamic software and hardware switches trans-coding system
CN109963191A (en) * 2017-12-14 2019-07-02 中兴通讯股份有限公司 A kind of processing method of video information, device and storage medium
CN110351533A (en) * 2019-08-12 2019-10-18 桂林电子科技大学 The network transmission monitoring system and its implementation of video image processing based on Linux
CN111107394A (en) * 2019-12-25 2020-05-05 北京恒泰实达科技股份有限公司 System and method for integrating video streams across platforms

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103702124A (en) * 2012-09-27 2014-04-02 深圳市快播科技有限公司 Transcoding acceleration method and transcoder
CN103686209A (en) * 2013-12-13 2014-03-26 乐视网信息技术(北京)股份有限公司 Transcoding and processing method and system with diverse mechanisms
CN107396123A (en) * 2017-09-25 2017-11-24 南京荣膺软件科技有限公司 Portable intelligent dynamic software and hardware switches trans-coding system
CN109963191A (en) * 2017-12-14 2019-07-02 中兴通讯股份有限公司 A kind of processing method of video information, device and storage medium
CN110351533A (en) * 2019-08-12 2019-10-18 桂林电子科技大学 The network transmission monitoring system and its implementation of video image processing based on Linux
CN111107394A (en) * 2019-12-25 2020-05-05 北京恒泰实达科技股份有限公司 System and method for integrating video streams across platforms

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