CN111935499B - Ultrahigh-definition video gateway system based on distributed storage technology - Google Patents
Ultrahigh-definition video gateway system based on distributed storage technology Download PDFInfo
- Publication number
- CN111935499B CN111935499B CN202010826139.7A CN202010826139A CN111935499B CN 111935499 B CN111935499 B CN 111935499B CN 202010826139 A CN202010826139 A CN 202010826139A CN 111935499 B CN111935499 B CN 111935499B
- Authority
- CN
- China
- Prior art keywords
- video
- information
- video file
- format
- file
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
Abstract
The invention provides an ultra-high-definition video gateway system based on a distributed storage technology, which comprises the following components: the video acquisition module acquires a video file and transmits the video file to the storage module; the storage module is used for storing the video file by adopting a distributed storage technology; the video request module receives video request information transmitted by a user through user side equipment and transmits the video request information to the analysis module; the device detection module detects the video playing condition of the user terminal device, acquires the playing condition information of the user terminal device and transmits the playing condition information to the analysis module; the analysis module searches a video file corresponding to the video request information according to the video request information; the analysis module performs format conversion on the video file corresponding to the video request information according to the playing condition information, and transmits the video file after format conversion to the user end equipment, thereby realizing the function of transmitting the ultra-high-definition video file which is in line with the playing of the user end equipment to the user end equipment.
Description
Technical Field
The invention relates to the technical field of information, in particular to an ultra-high-definition video gateway system based on a distributed storage technology.
Background
The video gateway is a bridge for interconnection among various video coding and decoding devices, can realize uniform bridging among different systems, different network systems, different services and different platforms, and ensures interconnection among different network domains and different types of terminal devices.
At present, when a video gateway transmits a video file to a user end device, an ultra high definition version of the video file is directly transmitted to the user end device, but some user end devices cannot normally play the transmitted ultra high definition video file due to different playing conditions of the user end device, so that an ultra high definition video gateway system based on a distributed storage technology is urgently needed.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides an ultra high definition video gateway system based on a distributed storage technology, which is used for transmitting an ultra high definition video file conforming to the playing of a user terminal device to the user terminal device.
The embodiment of the invention provides an ultra-high-definition video gateway system based on a distributed storage technology, which comprises the following steps: the device comprises a video acquisition module, a storage module, a video request module, an equipment detection module and an analysis module; wherein the content of the first and second substances,
the video acquisition module is used for acquiring a video file from an ultra-high-definition video gateway and transmitting the video file to the storage module;
the storage module is used for storing the video file transmitted by the video acquisition module by adopting a distributed storage technology;
the video request module is used for receiving video request information transmitted by a user through the user side equipment and transmitting the video request information to the analysis module;
the device detection module is used for detecting the video playing condition of the user end device which sends the video request information, acquiring the playing condition information of the user end device and transmitting the playing condition information to the analysis module;
the analysis module is used for searching a video file corresponding to the video request information in the storage module according to the video request information transmitted by the video request module; and the analysis module is further used for performing format conversion on the video file corresponding to the video request information according to the playing condition information and transmitting the video file after format conversion to the user end equipment.
In one embodiment, the storage module comprises a storage space calculation unit, a storage area creation unit and a storage control unit; wherein the content of the first and second substances,
the storage space calculation unit is used for acquiring space information occupied by storing the video file when receiving the video file transmitted by the video acquisition module and transmitting the space information to the storage area creation unit;
the storage area creating unit is used for creating a video file storage area in a virtual storage space according to the space information and transmitting the address of the video file storage area to the storage control unit;
the storage control unit is used for transmitting the video file to the video file storage area for storage according to the address of the video file storage area; the storage control unit is also used for storing the addresses of the video file storage areas in an index list.
In one embodiment, the storage module further comprises a video parsing unit;
the video analyzing unit is used for analyzing the video file in the video file storage area to acquire the playing content of the video file; generating a label of the video file according to the playing content of the video file, and transmitting the label of the video file to the storage control unit;
the storage control unit is used for transmitting the label to the analysis module; binding the playing content of the video file with the address of the video file storage area;
the analysis module is used for matching the video request information with the tags of the video files transmitted by the storage control unit according to the video request information transmitted by the video request module, acquiring the tags with matching degrees higher than a preset matching value, and transmitting the playing content corresponding to the tags to the user end equipment;
the user end equipment is used for receiving a video playing instruction which is transmitted by a user according to the playing content displayed by the user end equipment and contains the playing content, and transmitting the video playing instruction containing the playing content to the analysis module;
the analysis module is configured to obtain the playing content included in the video playing instruction when receiving the video playing instruction transmitted by the user end device; and the video file acquisition module is also used for acquiring the video file in the video file storage area according to the address of the video file storage area bound with the playing content.
In one embodiment, the tag includes subject information of the video file, character information of the video file, and type information of the video file;
the subject information of the video file comprises one or more of military subject information, education subject information, recording subject information and action subject information;
the character information of the video file comprises one or more of star character information, cartoon character information and movie character information;
the type information of the video file comprises one or more of short video information, movie video information, television play video information and art-integrated video information.
In an embodiment, the playing condition information of the client device includes video support playing format information of the client device, display card information of the client device, sound card information of the client device, processor information of the client device, and display screen information of the client device.
In an embodiment, the parsing module is further configured to obtain an optimal video playing solution of the video played by the user end device according to the playing condition information transmitted by the device detection module;
the analysis module also comprises an optimal solution database;
the optimal solution database is used for acquiring the equipment information of the user end equipment, creating a folder with a file name as the equipment information according to the equipment information of the user end equipment, and storing the optimal video playing solution of the video played by the user end equipment in the folder;
when the video request module receives video request information transmitted by a user through the user side equipment, the video request module acquires equipment information of the user side equipment through the optimal solution database of the analysis module, compares the equipment information with file names of all folders in the optimal solution database, and acquires the optimal video playing solution in the folder corresponding to the file name which is compared with the equipment information when the equipment information is compared with the optimal solution database; the analysis module takes the optimal video playing solution as a target format, performs format conversion on the obtained video file, and transmits the video file after format conversion to the user end equipment;
when the comparison is inconsistent, detecting the video playing condition of the user end equipment which sends the video request information through the equipment detection module, acquiring the playing condition information of the user end equipment, and transmitting the playing condition information to the analysis module; the analysis module acquires an optimal video playing solution of the video played by the user terminal equipment according to the playing condition information transmitted by the equipment detection module; and taking the optimal video playing solution as a target format, performing format conversion on the obtained video file, and transmitting the video file after format conversion to the user terminal equipment.
In an embodiment, the optimal video playing solution for the user end device to play the video includes optimal video format information, optimal image definition information, and optimal channel parameter information for the user end device to play the video.
In one embodiment, the parsing module comprises a preprocessing unit and a video conversion model; wherein the content of the first and second substances,
the preprocessing unit is used for extracting video format information, image definition information and sound channel parameter information of the video file corresponding to the video request information;
the video conversion model comprises a format conversion sub-model, an image definition conversion sub-model, a sound channel conversion sub-model and a video conversion sub-model;
the format conversion sub-model is used for taking the video format information of the video file as an original video format and taking the optimal video format information as a target video format to obtain video format adjustment parameters; the image definition conversion sub-model is used for taking the image definition information of the video file as an original image format and taking the optimal image definition information as a target image format to obtain image adjustment parameters; the sound channel conversion sub-model is used for taking the sound channel parameter information of the video file as an original sound channel format and taking the optimal sound channel parameter information as a target sound channel format to acquire a sound channel adjustment parameter; the video conversion sub-model is used for carrying out format conversion on the video file after carrying out synchronous processing on the parameter information of the video conversion sub-model according to the video format adjustment parameter acquired by the format conversion sub-model, the image adjustment parameter acquired by the image definition conversion sub-model and the sound channel adjustment parameter acquired by the sound channel conversion sub-model, and transmitting the video file after format conversion to the user terminal equipment.
In one embodiment, the format conversion submodel is trained; the method specifically comprises the following steps:
acquiring standard video files corresponding to a plurality of video formats, and taking the standard video file of a certain video format as the input of the format conversion sub-model, wherein the format conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file, and adjusting and setting the parameters of the preset format converter according to the comparison result;
training the image definition conversion sub-model; the method specifically comprises the following steps:
acquiring standard video files corresponding to multiple definitions, and taking the standard video file with a certain definition as the input of the image definition conversion sub-model, wherein the image definition conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same definition with the standard video file after format conversion, and adjusting and setting the parameters of the image definition conversion sub-model according to the comparison result;
training the sound channel conversion submodel; the method specifically comprises the following steps:
acquiring standard video files corresponding to multiple sound channel modes, and taking the standard video file of a certain sound channel mode as the input of the sound channel conversion sub-model, wherein the sound channel conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file with the same sound channel mode, and adjusting and setting the parameters of the sound channel conversion sub-model according to the comparison result;
the video conversion submodel comprises a first format converter corresponding to the format conversion submodel, a second format converter corresponding to the image definition conversion submodel and a third format converter corresponding to the sound channel conversion submodel; the first format converter converts the video format of the video file according to the video format adjusting parameter; the second format converter converts the image format of the video file according to the image adjusting parameter; and the second format converter converts the audio channel format of the video file according to the audio channel adjusting parameter so as to realize format conversion of the video file.
In one embodiment, further comprising:
the selection module is used for selecting an optimal gateway from an ultra high definition video gateway set to transmit a video file when the video acquisition module acquires the video file from the ultra high definition video gateway set, and comprises the following steps:
the acquisition unit is used for acquiring the acquisition request sent by the video acquisition module;
the establishing unit is used for establishing broadband connection between the video acquisition module and each video gateway in the ultra-high definition video gateway set;
the selection unit is used for acquiring a gateway comprehensive value according to the request attribute of the acquisition request and the broadband transmission speed between the video acquisition module and each video gateway and selecting the first N video gateways from large to small according to the following formula;
wherein β 1 represents an attribute value of the request attribute; beta 2iA gateway weight value representing the ith video gateway; delta 1iIndicating that the acquisition request is based on a request weight value of an ith video gateway; delta 2iThe gateway correction value of the ith video gateway is represented, and the value range is [0.65,0.75 ]]；ν′iThe broadband transmission speed of the ith video gateway and the video acquisition module is represented; t represents the response time of the ith video gateway responding to the acquisition request; m represents the total number of the video gateways in the ultra-high definition video gateway set; ziA gateway composite value representing an ith video gateway;
the determining unit is used for determining matching identifiers of the first N video gateways and the obtaining request respectively, and obtaining videos to be called related to the matching identifiers from the video gateways respectively;
the estimation unit is used for estimating the video quality of the video to be called based on a video quality estimation model, determining a corresponding final video gateway according to the video instruction, and acquiring a related video file from the final gateway video;
and the final video gateway is an optimal gateway.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic diagram illustrating a result of an ultra-high-definition video gateway system based on a distributed storage technology according to the present invention;
FIG. 2 is a block diagram of a selection module of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
An embodiment of the present invention provides an ultra high definition video gateway system based on a distributed storage technology, as shown in fig. 1, including: the device comprises a video acquisition module 11, a storage module 12, a video request module 13, an equipment detection module 14 and an analysis module 15; wherein the content of the first and second substances,
the video acquisition module 11 is used for acquiring a video file from the ultra-high-definition video gateway and transmitting the video file to the storage module 12;
the storage module 12 is configured to store the video file transmitted by the video acquisition module 11 by using a distributed storage technology;
the video request module 13 is configured to receive video request information transmitted by a user through a user end device, and transmit the video request information to the parsing module 15;
the device detection module 14 is configured to detect a video playing condition of the client device that sends the video request information, acquire playing condition information of the client device, and transmit the playing condition information to the analysis module 15;
the analysis module 15 is configured to search, according to the video request information transmitted by the video request module 13, a video file corresponding to the video request information in the storage module 12; the parsing module 15 is further configured to perform format conversion on the video file corresponding to the video request information according to the playing condition information, and transmit the video file after format conversion to the user end device.
The working principle of the ultra-high-definition video gateway system based on the distributed storage technology is as follows: acquiring a video file through a video acquisition module 11, and transmitting the video file to a storage module 12; the storage module 12 stores the video file transmitted by the video acquisition module 11 by adopting a distributed storage technology; receiving video request information transmitted by a user through user end equipment through a video request module 13, and transmitting the video request information to an analysis module 15; the device detection module 14 detects the video playing condition of the client device sending the video request information, obtains the playing condition information of the client device, and transmits the playing condition information to the analysis module 15; the analysis module 15 searches a video file corresponding to the video request information in the storage module 12 according to the video request information transmitted by the video request module 13; and carrying out format conversion on the video file corresponding to the video request information according to the playing condition information, and transmitting the video file after format conversion to the user terminal equipment.
The ultrahigh-definition video gateway system based on the distributed storage technology has the beneficial effects that: the video acquisition module realizes the acquisition of the video file; the storage of the video file acquired by the video acquisition module is realized through the storage block; the video request module realizes the receiving of the video request information transmitted by the user through the user side equipment; the device detection module detects the video playing condition of the user end device sending the video request information, and further obtains the playing condition information of the user end device; the analysis module searches a video file corresponding to the video request information in the storage module according to the video request information transmitted by the video request module; according to the playing condition information, the format conversion of the video file corresponding to the video request information is realized, and the video file after the format conversion is transmitted to the user terminal equipment; by the ultrahigh-definition video gateway system based on the distributed storage technology, format conversion of video files is realized according to video playing conditions of user side equipment, and the ultrahigh-definition video files which are in line with playing of the user side equipment are transmitted to the user side equipment; compared with the prior art, the ultrahigh-definition video gateway system based on the distributed storage technology solves the defect that the video gateway directly transmits the ultrahigh-definition video file to the user terminal equipment in the prior art, performs corresponding processing on the video file according to the playing condition of the user terminal equipment, and then transmits the ultrahigh-definition video file to the user terminal equipment, thereby effectively avoiding the problem that the ultrahigh-definition video file cannot be normally played by the user terminal equipment, simultaneously enabling the video file transmitted by the ultrahigh-definition video gateway system based on the distributed storage technology to be suitable for the user terminal equipment with different video playing conditions to normally play the video file, and further realizing the transmission of the ultrahigh-definition video file which is in line with the playing of the user terminal equipment to the user terminal equipment.
In one embodiment, the storage module comprises a storage space calculation unit, a storage area creation unit and a storage control unit; wherein the content of the first and second substances,
the storage space calculation unit is used for acquiring space information occupied by storing the video file when receiving the video file transmitted by the video acquisition module and transmitting the space information to the storage area creation unit;
the storage area creating unit is used for creating a video file storage area in the virtual storage space according to the space information and transmitting the address of the video file storage area to the storage control unit;
the storage control unit is used for transmitting the video file to the video file storage area for storage according to the address of the video file storage area; and the storage control unit is also used for storing the addresses of the video file storage areas in the index list. In the technical scheme, the acquisition of the space information occupied by the storage of the acquired video file is realized through the storage space calculation unit of the storage module; a video file storage area is created through a storage area creating unit, and the address of the video file storage area is transmitted to a storage control unit; then the video file is transmitted to the video file storage area for storage through the storage control unit according to the address of the video file storage area, so that the storage of the acquired video file is realized; and the addresses of the video file storage areas are stored in the index list, so that the working personnel can conveniently inquire and acquire the video files according to the addresses of the video file storage areas in the index list.
In one embodiment, the storage module further comprises a video parsing unit;
the video analyzing unit is used for analyzing the video file in the video file storage area to acquire the playing content of the video file; generating a label of the video file according to the playing content of the video file, and transmitting the label of the video file to the storage control unit;
the storage control unit is used for transmitting the label to the analysis module; binding the playing content of the video file with the address of the video file storage area;
the analysis module is used for matching the video request information with the tags of the video files transmitted by the storage control unit according to the video request information transmitted by the video request module, acquiring tags with matching degrees higher than a preset matching value, and transmitting the playing content corresponding to the tags to user equipment;
the user end equipment is used for receiving a video playing instruction which is transmitted by a user according to the playing content displayed by the user end equipment and contains the playing content, and transmitting the video playing instruction containing the playing content to the analysis module;
the analysis module is used for acquiring playing contents contained in the video playing instruction when the video playing instruction transmitted by the user terminal equipment is received; and the video file acquisition module is also used for acquiring the video file in the video file storage area according to the address of the video file storage area bound with the playing content. In the technical scheme, the video file in the video file storage area is analyzed through the video analysis unit of the storage module, so that the playing content of the video file is acquired; generating a label of the video file according to the playing content of the video file, and transmitting the label of the video file to the analysis module through the storage control unit; the analysis module matches the video request information with the tags of the video files, obtains tags with matching degrees higher than a preset matching value, and transmits playing contents corresponding to the tags to user equipment; the user end equipment receives a video playing instruction which is transmitted by a user according to the playing content displayed by the user end equipment and contains the playing content, and transmits the video playing instruction to the analysis module; the analysis module acquires the playing content contained in the video playing instruction and acquires the video file in the video file storage area according to the address of the video file storage area bound with the playing content.
In one embodiment, the tag includes subject information of the video file, character information of the video file, and type information of the video file;
the subject information of the video file comprises one or more of military subject information, education subject information, recording subject information and action subject information;
the character information of the video file comprises one or more of star character information, cartoon character information and movie character information;
and the type information of the video file comprises one or more of short video information, movie video information, television play video information and art-integrated video information. According to the technical scheme, the tags of the video files are acquired according to the playing content of the video files; and the acquired subject information of the video file, the character information of the video file and the type information of the video file are used as labels of the video file.
In one embodiment, the playing condition information of the client device includes video supported playing format information of the client device, video card information of the client device, sound card information of the client device, processor information of the client device, and display screen information of the client device. In the technical scheme, the device detection module realizes the acquisition of the playing condition information of the user terminal device by detecting the video support playing format, the display card, the sound card, the processor and the display screen of the user terminal device.
In one embodiment, the parsing module is further configured to obtain an optimal video playing solution of the video played by the user end device according to the playing condition information transmitted by the device detection module;
the analysis module also comprises an optimal solution database;
the optimal solution database is used for acquiring the equipment information of the user side equipment, creating a folder with the file name as the equipment information according to the equipment information of the user side equipment, and storing the optimal video playing solution of the video played by the user side equipment in the folder;
when receiving video request information transmitted by a user through user side equipment, a video request module acquires equipment information of the user side equipment through an optimal solution database of an analysis module, compares the equipment information with file names of all folders in the optimal solution database, and acquires an optimal video playing solution in a folder corresponding to the file name which is compared with the equipment information to be consistent when the equipment information is compared to be consistent; the analysis module takes the optimal video playing solution as a target format, performs format conversion on the obtained video file, and transmits the video file after format conversion to the user terminal equipment;
when the comparison is inconsistent, detecting the video playing condition of the user end equipment sending the video request information through the equipment detection module, acquiring the playing condition information of the user end equipment, and transmitting the playing condition information to the analysis module; the analysis module acquires an optimal video playing solution of the video played by the user equipment according to the playing condition information transmitted by the equipment detection module; and the optimal video playing solution is used as a target format, format conversion is carried out on the obtained video file, and the video file after format conversion is transmitted to the user terminal equipment. In the technical scheme, the acquisition of the optimal video playing solution of the video played by the user equipment is realized through the analysis module according to the playing condition information transmitted by the equipment detection module; storing the obtained optimal video playing solution in a folder in an optimal solution database, and setting the equipment information of the user equipment as the file name of the corresponding folder; when receiving video request information transmitted by a user through user side equipment, a video request module acquires equipment information of the user side equipment through an optimal solution database of an analysis module, compares the equipment information with file names of all folders in the optimal solution database, and when the equipment information is compared with the file names of all folders in the optimal solution database, the video request module can acquire an optimal video playing solution in the folder corresponding to the file name which is compared with the equipment information; the analysis module can realize format conversion of the video file according to the obtained optimal video playing solution; when the comparison is inconsistent, the analysis module acquires the optimal video playing solution of the video played by the user terminal equipment according to the playing condition information acquired by the equipment detection module, so as to further realize format conversion of the video file.
In one embodiment, the optimal video playing solution for the user end device to play the video includes optimal video format information, optimal image definition information, and optimal sound channel parameter information for the user end device to play the video. In the technical scheme, an optimal video playing solution is formed through the optimal video format information, the optimal image definition information and the optimal sound channel parameter information of the user side equipment.
In one embodiment, the parsing module comprises a preprocessing unit and a video conversion model; wherein the content of the first and second substances,
the preprocessing unit is used for extracting video format information, image definition information and sound channel parameter information of a video file corresponding to the video request information;
the video conversion model comprises a format conversion sub-model, an image definition conversion sub-model, a sound channel conversion sub-model and a video conversion sub-model;
the format conversion sub-model is used for taking the video format information of the video file as an original video format and taking the optimal video format information as a target video format to obtain video format adjustment parameters; the image definition conversion sub-model is used for taking the image definition information of the video file as an original image format and taking the optimal image definition information as a target image format to obtain image adjustment parameters; the sound channel conversion sub-model is used for taking sound channel parameter information of the video file as an original sound channel format and taking the optimal sound channel parameter information as a target sound channel format to acquire sound channel adjustment parameters; and the video conversion sub-model is used for carrying out format conversion on the video file after carrying out synchronous processing on the parameter information of the video conversion sub-model according to the video format adjustment parameter acquired by the format conversion sub-model, the image adjustment parameter acquired by the image definition conversion sub-model and the sound channel adjustment parameter acquired by the sound channel conversion sub-model, and transmitting the video file after the format conversion to the user end equipment. In the technical scheme, the extraction of the video format information, the image definition information and the sound channel parameter information of the video file corresponding to the video request information is realized through the preprocessing unit; respectively acquiring video format adjustment parameters, image adjustment parameters and sound channel adjustment parameters required for format conversion of a video file through a format conversion sub-model, an image definition conversion sub-model and a sound channel conversion sub-model in the video conversion model; and the video conversion sub-model synchronously processes the parameter information according to the video format adjustment parameter, the image adjustment parameter and the sound channel adjustment parameter so as to realize format conversion of the video file, and further transmits the video file after format conversion to user side equipment so as to realize acquisition of the video file by a user.
In one embodiment, the format conversion submodel is trained; the method specifically comprises the following steps:
acquiring standard video files corresponding to a plurality of video formats, and taking the standard video file of a certain video format as the input of a format conversion sub-model, wherein the format conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file, and adjusting and setting the parameters of the preset format converter according to the comparison result;
training an image definition conversion sub-model; the method specifically comprises the following steps:
acquiring standard video files corresponding to multiple definitions, and taking the standard video file with a certain definition as the input of an image definition conversion sub-model, wherein the image definition conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same definition with the standard video file after format conversion, and adjusting and setting the parameters of the image definition conversion sub-model according to the comparison result;
training the sound channel conversion submodel; the method specifically comprises the following steps:
acquiring standard video files corresponding to multiple sound channel modes, and taking the standard video file of a certain sound channel mode as the input of a sound channel conversion sub-model, wherein the sound channel conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file with the same sound channel mode, and adjusting and setting the parameters of the sound channel conversion sub-model according to the comparison result;
the video conversion submodel comprises a first format converter corresponding to the format conversion submodel, a second format converter corresponding to the image definition conversion submodel and a third format converter corresponding to the sound channel conversion submodel; the first format converter converts the video format of the video file according to the video format adjusting parameter; the second format converter converts the image format of the video file according to the image adjustment parameters; and the second format converter converts the sound channel format of the video file according to the sound channel adjusting parameter so as to realize format conversion of the video file. In the technical scheme, the format conversion sub-model takes a standard video file in a certain video format as input and outputs the standard video file after format conversion; comparing the standard video file with the format same as that of the standard video file, and adjusting and setting parameters of the format conversion sub-model according to the comparison result, thereby realizing the training of the format conversion sub-model; the image definition conversion sub-model takes a standard video file with a certain definition as input and outputs the standard video file after format conversion; comparing the standard video file with the same definition with the standard video file after format conversion, and adjusting and setting parameters of the image definition conversion sub-model according to the comparison result, thereby realizing the training of the image definition conversion sub-model; the sound channel conversion sub-model takes a standard video file of a certain sound channel mode as input and outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file with the same sound channel mode, and adjusting and setting parameters of the sound channel conversion sub-model according to the comparison result so as to train the sound channel conversion sub-model; a first format converter in the video conversion sub-model converts the video format of the video file according to the video format adjusting parameter; the second format converter converts the image format of the video file according to the image adjustment parameters; and the second format converter converts the sound channel format of the video file according to the sound channel adjusting parameter, thereby realizing the format conversion of the video file.
In one embodiment, further comprising:
the selection module is used for selecting an optimal gateway from the ultra high definition video gateway set for transmitting the video file when the video acquisition module acquires the video file from the ultra high definition video gateway set, and comprises the following steps:
the acquisition unit is used for acquiring an acquisition request sent by the video acquisition module;
the establishing unit is used for establishing broadband connection between the video acquisition module and each video gateway in the ultra-high definition video gateway set;
the selection unit is used for acquiring a gateway comprehensive value according to the request attribute of the acquisition request and the broadband transmission speed between the video acquisition module and each video gateway and selecting the first N video gateways from large to small according to the following formula;
where β 1 represents an attribute value of the request attribute; beta 2iA gateway weight value representing the ith video gateway; delta 1iThe obtaining request is based on the request weight value of the ith video gateway; delta 2iThe gateway correction value of the ith video gateway is represented, and the value range is [0.65,0.75 ]]；ν′iThe broadband transmission speed of the ith video gateway and the video acquisition module is represented; t represents the response time of the ith video gateway responding to the acquisition request; m represents the total number of the video gateways in the ultra-high definition video gateway set; ziA gateway composite value representing an ith video gateway;
the determining unit is used for determining matching identifiers of the first N video gateways and the obtaining request respectively, and obtaining videos to be called related to the matching identifiers from the video gateways respectively;
the prediction unit is used for predicting the video quality of the video to be called based on the video quality prediction model, determining a corresponding final video gateway according to the video instruction, and acquiring a related video file from the final gateway video;
and the final video gateway is an optimal gateway.
In this embodiment, the request attribute is, for example, a certain field of acquisition such as: videos in the fields of sports, food, etc.; the gateway weight value, for example, the request attribute is related to sports, the video gateway a is also related to sports, and the video gateway B is related to food, that is, when the sports is taken as the main, the gateway weight value of the corresponding video gateway a is greater than the gateway weight value of the video gateway B.
The beneficial effects of the above technical scheme are: when the video acquisition module acquires a video file from the ultra-high-definition video gateway set, the optimal gateway is selected from the ultra-high-definition video gateway set for transmitting the video file, firstly, the gateway is primarily screened according to the request attribute and the broadband transmission speed, secondly, the optimal gateway is obtained by screening again through the matching identification and the video quality, the high efficiency of video transmission can be improved, meanwhile, the video quality is ensured, and a reliable data base is provided for storage.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. An ultra high definition video gateway system based on distributed storage technology, comprising: the device comprises a video acquisition module, a storage module, a video request module, an equipment detection module and an analysis module; wherein the content of the first and second substances,
the video acquisition module is used for acquiring a video file from the ultra-high definition video gateway set and transmitting the video file to the storage module;
the storage module is used for storing the video file transmitted by the video acquisition module by adopting a distributed storage technology;
the video request module is used for receiving video request information transmitted by a user through user side equipment and transmitting the video request information to the analysis module;
the device detection module is used for detecting the video playing condition of the user end device which sends the video request information, acquiring the playing condition information of the user end device and transmitting the playing condition information to the analysis module;
the analysis module is used for searching a video file corresponding to the video request information in the storage module according to the video request information transmitted by the video request module;
the analysis module is further configured to perform format conversion on the video file corresponding to the video request information according to the playing condition information, and transmit the video file after format conversion to the user end device;
further comprising:
the selection module is used for selecting an optimal gateway from an ultra high definition video gateway set to transmit a video file when the video acquisition module acquires the video file from the ultra high definition video gateway set, and comprises the following steps:
the acquisition unit is used for acquiring the acquisition request sent by the video acquisition module;
the establishing unit is used for establishing broadband connection between the video acquisition module and each video gateway in the ultra-high definition video gateway set;
the selection unit is used for acquiring a gateway comprehensive value according to the request attribute of the acquisition request and the broadband transmission speed between the video acquisition module and each video gateway and selecting the first N video gateways from large to small according to the following formula;
wherein the content of the first and second substances,β1 represents an attribute value of the request attribute;β2ia gateway weight value representing the ith video gateway;δ1iindicating that the acquisition request is based on a request weight value of an ith video gateway;δ2ithe gateway correction value of the ith video gateway is expressed and is sampledThe circumference is [0.65,0.75 ]]；
The broadband transmission speed of the ith video gateway and the video acquisition module is represented; t represents the response time of the ith video gateway responding to the acquisition request; m represents the total number of the video gateways in the ultra-high definition video gateway set;Z ia gateway composite value representing an ith video gateway;
the determining unit is used for determining matching identifiers of the first N video gateways and the obtaining request respectively, and obtaining videos to be called related to the matching identifiers from the video gateways respectively;
and the estimation unit is used for estimating the video quality of the video to be called based on a video quality estimation model, determining a corresponding final video gateway according to the video quality, and acquiring a related video file from the final gateway video, wherein the final video gateway is an optimal gateway.
2. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 1,
the storage module comprises a storage space calculation unit, a storage area creation unit and a storage control unit; wherein the content of the first and second substances,
the storage space calculation unit is used for acquiring space information occupied by storing the video file when receiving the video file transmitted by the video acquisition module and transmitting the space information to the storage area creation unit;
the storage area creating unit is used for creating a video file storage area in a virtual storage space according to the space information and transmitting the address of the video file storage area to the storage control unit;
the storage control unit is used for transmitting the video file to the video file storage area for storage according to the address of the video file storage area; the storage control unit is also used for storing the addresses of the video file storage areas in an index list.
3. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 2,
the storage module also comprises a video analysis unit;
the video analyzing unit is used for analyzing the video file in the video file storage area to acquire the playing content of the video file; generating a label of the video file according to the playing content of the video file, and transmitting the label of the video file to the storage control unit;
the storage control unit is used for transmitting the label to the analysis module; binding the playing content of the video file with the address of the video file storage area;
the analysis module is used for matching the video request information with the tags of the video files transmitted by the storage control unit according to the video request information transmitted by the video request module, acquiring the tags with matching degrees higher than a preset matching value, and transmitting the playing content corresponding to the tags to the user end equipment;
the client device is configured to receive the playing content corresponding to the tag, where the playing content includes a video playing instruction of the playing content, and transmit the video playing instruction including the playing content to the parsing module;
the analysis module is configured to obtain the playing content included in the video playing instruction when receiving the video playing instruction transmitted by the user end device; and the video file acquisition module is also used for acquiring the video file in the video file storage area according to the address of the video file storage area bound with the playing content.
4. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 3,
the label comprises subject information of the video file, character information of the video file and type information of the video file;
the subject information of the video file comprises one or more of military subject information, education subject information, recording subject information and action subject information;
the character information of the video file comprises one or more of star character information, cartoon character information and movie character information;
the type information of the video file comprises one or more of short video information, movie video information, television play video information and art-integrated video information.
5. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 1,
the playing condition information of the user end equipment comprises video support playing format information of the user end equipment, display card information of the user end equipment, sound card information of the user end equipment, processor information of the user end equipment and display screen information of the user end equipment.
6. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 5,
the analysis module is further configured to obtain an optimal video playing solution of the video played by the user end device according to the playing condition information transmitted by the device detection module;
the analysis module also comprises an optimal solution database;
the optimal solution database is used for acquiring the equipment information of the user end equipment, creating a folder with a file name as the equipment information according to the equipment information of the user end equipment, and storing the optimal video playing solution of the video played by the user end equipment in the folder;
when the video request module receives video request information transmitted by a user through the user side equipment, the video request module acquires equipment information of the user side equipment through the optimal solution database of the analysis module, compares the equipment information with file names of all folders in the optimal solution database, and acquires the optimal video playing solution in the folder corresponding to the file name which is compared with the equipment information when the equipment information is compared with the optimal solution database; the analysis module takes the optimal video playing solution as a target format, performs format conversion on the obtained video file, and transmits the video file after format conversion to the user end equipment;
when the comparison is inconsistent, detecting the video playing condition of the user end equipment which sends the video request information through the equipment detection module, acquiring the playing condition information of the user end equipment, and transmitting the playing condition information to the analysis module; the analysis module acquires an optimal video playing solution of the video played by the user terminal equipment according to the playing condition information transmitted by the equipment detection module; and taking the optimal video playing solution as a target format, performing format conversion on the obtained video file, and transmitting the video file after format conversion to the user terminal equipment.
7. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 6,
the optimal video playing solution of the video played by the user side equipment comprises optimal video format information, optimal image definition information and optimal sound channel parameter information of the video played by the user side equipment.
8. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 7,
the analysis module comprises a preprocessing unit and a video conversion model; wherein the content of the first and second substances,
the preprocessing unit is used for extracting video format information, image definition information and sound channel parameter information of the video file corresponding to the video request information;
the video conversion model comprises a format conversion sub-model, an image definition conversion sub-model, a sound channel conversion sub-model and a video conversion sub-model;
the format conversion sub-model is used for taking the video format information of the video file as an original video format and taking the optimal video format information as a target video format to obtain video format adjustment parameters; the image definition conversion sub-model is used for taking the image definition information of the video file as an original image format and taking the optimal image definition information as a target image format to obtain image adjustment parameters; the sound channel conversion sub-model is used for taking the sound channel parameter information of the video file as an original sound channel format and taking the optimal sound channel parameter information as a target sound channel format to acquire a sound channel adjustment parameter; the video conversion sub-model is used for carrying out format conversion on the video file after carrying out synchronous processing on the parameter information of the video conversion sub-model according to the video format adjustment parameter acquired by the format conversion sub-model, the image adjustment parameter acquired by the image definition conversion sub-model and the sound channel adjustment parameter acquired by the sound channel conversion sub-model, and transmitting the video file after format conversion to the user terminal equipment.
9. The ultra high definition video gateway system based on the distributed storage technology as claimed in claim 8,
training the format conversion submodel, specifically comprising:
acquiring standard video files corresponding to a plurality of video formats, and taking the standard video file of a certain video format as the input of the format conversion sub-model, wherein the format conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file after format conversion, and adjusting and setting parameters of a preset format converter according to a comparison result;
training the image definition conversion sub-model, specifically comprising:
acquiring standard video files corresponding to multiple definitions, and taking the standard video file with a certain definition as the input of the image definition conversion sub-model, wherein the image definition conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same definition with the standard video file after format conversion, and adjusting and setting the parameters of the image definition conversion sub-model according to the comparison result;
training the channel conversion submodel, specifically comprising:
acquiring standard video files corresponding to multiple sound channel modes, and taking the standard video file of a certain sound channel mode as the input of the sound channel conversion sub-model, wherein the sound channel conversion sub-model outputs the standard video file after format conversion; comparing the standard video file with the same format as the standard video file with the same sound channel mode, and adjusting and setting the parameters of the sound channel conversion sub-model according to the comparison result;
the video conversion submodel comprises a first format converter corresponding to the format conversion submodel, a second format converter corresponding to the image definition conversion submodel and a third format converter corresponding to the sound channel conversion submodel; the first format converter converts the video format of the video file according to the video format adjusting parameter; the second format converter converts the image format of the video file according to the image adjusting parameter; and the second format converter converts the audio channel format of the video file according to the audio channel adjusting parameter so as to realize format conversion of the video file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826139.7A CN111935499B (en) | 2020-08-17 | 2020-08-17 | Ultrahigh-definition video gateway system based on distributed storage technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010826139.7A CN111935499B (en) | 2020-08-17 | 2020-08-17 | Ultrahigh-definition video gateway system based on distributed storage technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111935499A CN111935499A (en) | 2020-11-13 |
| CN111935499B true CN111935499B (en) | 2021-04-20 |
Family
ID=73311046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010826139.7A Active CN111935499B (en) | 2020-08-17 | 2020-08-17 | Ultrahigh-definition video gateway system based on distributed storage technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111935499B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113364672B (en) * | 2021-06-29 | 2022-12-30 | 中星电子股份有限公司 | Method, device, equipment and computer readable medium for determining media gateway information |
| CN115022680B (en) * | 2022-08-03 | 2022-11-01 | 海易科技(北京)有限公司 | Video playing method and device, electronic equipment and computer readable medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523180A (en) * | 2010-06-04 | 2012-06-27 | 美国博通公司 | Networking method and system |
| CN103347163A (en) * | 2013-06-28 | 2013-10-09 | 冠捷显示科技（厦门）有限公司 | Ultra high definition video image processing and transmitting system and method thereof |
| CN104581369A (en) * | 2014-12-22 | 2015-04-29 | 广东省广播电视网络股份有限公司 | Multi-channel high-definition live program forwarding method and system based on broadcast television network home gateway |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469347A (en) * | 2010-11-04 | 2012-05-23 | 中兴通讯股份有限公司 | Content play method and system thereof |
| CN102202229B (en) * | 2011-05-18 | 2014-02-19 | 北京瀚景锦河科技有限公司 | Method and device for real-time video gateway |
| CN102196298A (en) * | 2011-05-19 | 2011-09-21 | 广东星海数字家庭产业技术研究院有限公司 | Distributive VOD (video on demand) system and method |
| CN105913072A (en) * | 2016-03-31 | 2016-08-31 | 乐视控股（北京）有限公司 | Training method of video classification model and video classification method |
| CN106096050A (en) * | 2016-06-29 | 2016-11-09 | 乐视控股（北京）有限公司 | A kind of method and apparatus of video contents search |
| US10555035B2 (en) * | 2017-06-09 | 2020-02-04 | Disney Enterprises, Inc. | High-speed parallel engine for processing file-based high-resolution images |
| CN109039837A (en) * | 2017-06-12 | 2018-12-18 | 大唐移动通信设备有限公司 | A kind of communication means and intelligent domestic gateway of smart home system |
| CN110213625B (en) * | 2018-02-28 | 2021-10-19 | 阿里巴巴（中国）有限公司 | Bandwidth allocation method and device |
-
2020
- 2020-08-17 CN CN202010826139.7A patent/CN111935499B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523180A (en) * | 2010-06-04 | 2012-06-27 | 美国博通公司 | Networking method and system |
| CN103347163A (en) * | 2013-06-28 | 2013-10-09 | 冠捷显示科技（厦门）有限公司 | Ultra high definition video image processing and transmitting system and method thereof |
| CN104581369A (en) * | 2014-12-22 | 2015-04-29 | 广东省广播电视网络股份有限公司 | Multi-channel high-definition live program forwarding method and system based on broadcast television network home gateway |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111935499A (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108229336B (en) | Video recognition and training method and apparatus, electronic device, program, and medium | |
| US9495385B2 (en) | Mixed media reality recognition using multiple specialized indexes | |
| US8676810B2 (en) | Multiple index mixed media reality recognition using unequal priority indexes | |
| EP2681922B1 (en) | Synching one or more matrix codes to content related to a multimedia presentation | |
| CN103188522B (en) | Method and system for providing and delivering a composite condensed stream | |
| US8369655B2 (en) | Mixed media reality recognition using multiple specialized indexes | |
| US8965145B2 (en) | Mixed media reality recognition using multiple specialized indexes | |
| TWI523539B (en) | Network media device with code recognition | |
| CN105721620B (en) | Video information method for pushing and device and video information exhibit method and apparatus | |
| CN111935499B (en) | Ultrahigh-definition video gateway system based on distributed storage technology | |
| US9462350B1 (en) | System and method for obtaining information relating to video images | |
| CN103974147A (en) | MPEG (moving picture experts group)-DASH protocol based online video playing control system with code rate switch control and static abstract technology | |
| JP2020533920A (en) | Advertising frame flagging for automatic content recognition | |
| CN109120949B (en) | Video message pushing method, device, equipment and storage medium for video set | |
| CN110211121B (en) | Method and device for pushing model | |
| US11743150B2 (en) | Automated root cause analysis of underperforming video streams by using language transformers on support ticket systems | |
| CN111263183A (en) | Singing state identification method and singing state identification device | |
| CN111432282A (en) | Video recommendation method and device | |
| CN114419502A (en) | Data analysis method and device and storage medium | |
| KR20200077176A (en) | Apparatus and method for recommending keyword related to video | |
| CN114040006B (en) | Multi-mobile terminal data sharing method and system based on digital asset management | |
| JP2006237878A (en) | Cm attached information supply method, apparatus, and system, and cm attached information receiving apparatus | |
| JP2006237879A (en) | Cm searching method and apparatus, cm searching result receiving method and apparatus, and cm video recording reservation system | |
| CN106973307A (en) | A kind of video equipment access method and device | |
| CN110149358B (en) | Data transmission method, system and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |