CN107707967A - The determination method, apparatus and computer-readable recording medium of a kind of video file front cover - Google Patents
The determination method, apparatus and computer-readable recording medium of a kind of video file front cover Download PDFInfo
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- CN107707967A CN107707967A CN201710920142.3A CN201710920142A CN107707967A CN 107707967 A CN107707967 A CN 107707967A CN 201710920142 A CN201710920142 A CN 201710920142A CN 107707967 A CN107707967 A CN 107707967A
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- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
Abstract
The invention discloses a kind of determination method of video file front cover, including：Obtain the history played data that there is incidence relation with the video file of front cover to be determined；Wherein, the video file with front cover to be determined has the played data of video file of the history played data including the front cover to be determined of incidence relation and corresponding barrage data；The target video fragment of the video file is determined according to the history played data of acquisition；The front cover of the video file is determined according to the target video fragment of the determination.The invention discloses a kind of determining device and computer-readable recording medium of video file front cover.
Description
Technical field
The present invention relates to the determination method, apparatus and meter of multimedia communication technology, more particularly to a kind of video file front cover
Calculation machine readable storage medium storing program for executing.
Background technology
At present, turn out movies, TV play, the media file such as short-movie front cover when, often by the way of manually matching
Front cover is made, i.e., manually intercepts key frame from corresponding media file, and film, TV are generated according to the key frame of interception
The front cover of the media files such as play, short-movie.
And above-mentioned method needs to expend more manpower, and the efficiency for making front cover is low, with mass multimedia text
Part is reached the standard grade, and the efficiency that media file front cover is made by artificial mode is more and more lower.
The content of the invention
In view of this, the embodiment of the present invention it is expected to provide a kind of the determination method, apparatus and computer of video file front cover
Readable storage medium storing program for executing, the history played data that there is incidence relation with the video file of front cover to be determined can be obtained；According to obtaining
The history played data taken determines the target video fragment of the video file；According to the target video fragment of the determination
Determine the front cover of the video file, improve the producing efficiency of front cover, and improve associated video click volume and
Consumer's Experience.
To reach above-mentioned purpose, the embodiments of the invention provide a kind of determination method of video front cover, including：
Obtain the history played data that there is incidence relation with the video file of front cover to be determined；Wherein, it is described with treating really
The video file of fixing cover has the broadcasting of video file of the history played data including the front cover to be determined of incidence relation
Data and corresponding barrage data；
The target video fragment of the video file is determined according to the history played data of acquisition；
The front cover of the video file is determined according to the target video fragment of the determination.
Wherein, the above-mentioned target video fragment for determining the video file, including：
The video file is divided in units of the default period, obtains at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold.
Wherein, the above method also includes：
Played data and barrage data to the video segment are weighted processing, obtain the corresponding of each video segment
Calculated value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as target video fragment.
Wherein, the above-mentioned target fragment according to the determination determines the front cover of the video file, including：
The coded frame of at least one full frame compression is extracted from the target video fragment, according to default decoding process pair
The coded frame of the full frame compression is decoded, and the view data of the coded frame of the full frame compression is obtained, by described image number
According to the front cover for being defined as the video file.
The embodiments of the invention provide a kind of determination method of video clip front cover, methods described includes：
The video file for obtaining front cover to be determined concentrates the historical operating data of video file, according to the historical operation number
According to determining target video file；
The history played data with incidence relation with the target video file is obtained, according to the history of acquisition
Played data determines the target video fragment of the target video file；Wherein, it is described have with target video file associate
The history played data of relation includes the played data of the video clip of the front cover to be determined and corresponding barrage data；
The front cover of the video clip is determined according to the target video fragment of the determination.
Wherein, it is above-mentioned that target video file is determined according to the historical operating data, including：
The historical operating data for concentrating video file to the video file counts, and obtains statistical value；Wherein, it is described
Historical operating data comprises at least：The number of operations of broadcasting, the number of operations of pause, the number of operations of F.F., the operation reviewed
Number；
The video file that statistical value is more than or equal to given threshold is defined as first object video file；Statistical value is less than
The video file of the threshold value of setting is defined as the second target video file.
Wherein, the above-mentioned target video fragment for determining the video file, including：
The video file is divided in units of the default period, obtains at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold.
Wherein, the above method also includes：
Played data and barrage data to the video segment are weighted processing, obtain the corresponding of each video segment
Calculated value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as target video fragment.
Wherein, the above-mentioned target video fragment according to the determination determines the front cover of the video clip, including：
The coded frame of at least two full frames compression is obtained from the target fragment of the first object video file, according to pre-
If decoding process the coded frame of each full frame compression is decoded, obtain the image of the coded frame of each full frame compression
Data, the view data of the coded frame of each full frame compression is synthesized into dynamic image, the dynamic image is defined as institute
The front cover of video clip is stated, and/or,
The coded frame of a full frame compression is obtained from the target fragment of the second target video file, according to default
The coded frame that decoding process compresses to the full frame decodes, and obtains the view data of the coded frame of the full frame compression, will
Described image data are defined as the front cover of the video clip.
The embodiments of the invention provide a kind of determining device of video front cover, described device includes：
Acquisition module, for obtaining the history played data that there is incidence relation with the video file of front cover to be determined；Its
In, the history played data that the video file with front cover to be determined has incidence relation includes regarding for the front cover to be determined
The played data of frequency file and corresponding barrage data；
Determining module, for determining the target video piece of the video file according to the history played data of acquisition
Section；
Front cover module, for determining the front cover of the video file according to the target video fragment of the determination.
Wherein, above-mentioned determining module is used for, and the video file is divided in units of the default period, obtains
At least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold.
Wherein, above-mentioned determining module is additionally operable to, and the played data and barrage data to the video segment are weighted place
Reason, the corresponding calculated value of each video segment is obtained, video segment of the corresponding calculated value higher than predetermined threshold value is defined as mesh
Mark video segment.
Wherein, above-mentioned front cover module is used for, and the coding of at least one full frame compression is extracted from the target video fragment
Frame, decoded according to the coded frame that default decoding process compresses to the full frame, obtain the coded frame of the full frame compression
View data, described image data are defined as to the front cover of the video file.
The embodiments of the invention provide a kind of determining device of video set front cover, described device includes：
Acquisition module, the video file for obtaining front cover to be determined concentrate the historical operating data of video file；For
Obtain the history played data with incidence relation with the target video file；
Determining module, for determining target video file according to the historical operating data；It is additionally operable to according to acquisition
The history played data determines the target video fragment of the target video file；Wherein, described and target video file
The played data of the video clip of history played data with incidence relation including the front cover to be determined and corresponding
Barrage data；
Front cover module, for determining the front cover of the video clip according to the target video fragment of the determination.
Wherein, above-mentioned determining module, for concentrating the historical operating data of video file to unite to the video file
Meter, obtains statistical value；Wherein, the historical operating data comprises at least：The number of operations of broadcasting, the number of operations, fast of pause
The number of operations entered, the number of operations reviewed；
The video file that statistical value is more than or equal to given threshold is defined as first object video file；Statistical value is less than
The video file of the threshold value of setting is defined as the second target video file.
Wherein, above-mentioned determining module, for being divided in units of the default period to the video file, obtain
At least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold.
Wherein, above-mentioned determining module, processing is weighted for the played data to the video segment and barrage data,
The corresponding calculated value of each video segment is obtained, corresponding calculated value is defined as into target higher than the video segment of predetermined threshold value regards
Frequency fragment.
Wherein, above-mentioned front cover module, for obtaining at least two from the target fragment of the first object video file
The coded frame of full frame compression, decoded according to the coded frame that default decoding process compresses to each full frame, described in acquisition
The view data of the coded frame of each full frame compression, the view data of the coded frame of each full frame compression is synthesized into Dynamic Graph
Picture, the dynamic image is defined as to the front cover of the video clip, and/or,
The coded frame of a full frame compression is obtained from the target fragment of the second target video file, according to default
The coded frame that decoding process compresses to the full frame decodes, and obtains the view data of the coded frame of the full frame compression, will
Described image data are defined as the front cover of the video clip.
A kind of determining device of video front cover provided in an embodiment of the present invention, including：Processor and can be for storing
The memory of the computer program run on processor,
Wherein, when the processor is used to run the computer program, perform：
Obtain the history played data that there is incidence relation with the video file of front cover to be determined；Wherein, it is described with treating really
The video file of fixing cover has the broadcasting of video file of the history played data including the front cover to be determined of incidence relation
Data and corresponding barrage data；
The target video fragment of the video file is determined according to the history played data of acquisition；
The front cover of the video file is determined according to the target video fragment of the determination.
A kind of computer-readable recording medium provided in an embodiment of the present invention, is stored thereon with computer program, the calculating
Machine program is executed by processor：
Obtain the history played data that there is incidence relation with the video file of front cover to be determined；Wherein, it is described with treating really
The video file of fixing cover has the broadcasting of video file of the history played data including the front cover to be determined of incidence relation
Data and corresponding barrage data；
The target video fragment of the video file is determined according to the history played data of acquisition；
The front cover of the video file is determined according to the target video fragment of the determination.
The determination method, apparatus and computer-readable recording medium of video file front cover provided in an embodiment of the present invention, lead to
Cross the history played data for obtaining and there is incidence relation with the video file of front cover to be determined；Wherein, described and front cover to be determined
Video file have incidence relation history played data including the front cover to be determined video file played data with
And corresponding barrage data；The target video fragment of the video file is determined according to the history played data of acquisition；Root
The front cover of the video file is determined according to the target video fragment of the determination.It so, it is possible the hot topic according to video file
Fragment automatically generates the front cover of the video file, improves the efficiency of massive video cover document making, and can generate and regard
The front cover of the wonderful of the hobby of user in frequency file, improves the experience of user.
Brief description of the drawings
Fig. 1 is the determination method flow schematic diagram of video file front cover of the embodiment of the present invention；
Fig. 2 is the determination method flow schematic diagram of video set front cover of the embodiment of the present invention；
Fig. 3 is the structural representation of the determining device of video file front cover of the embodiment of the present invention；
Fig. 4 is the structural representation of the determining device of video set front cover of the embodiment of the present invention；
Fig. 5 is fifth embodiment of the invention schematic flow sheet；
Fig. 6 is sixth embodiment of the invention schematic flow sheet.
Embodiment
In order to more detailed the characteristics of understanding the embodiment of the present invention and technology contents, below to the embodiment of the present invention
Realization be described in detail.
Embodiment one
Fig. 1 is the determination method flow schematic diagram of video file of the embodiment of the present invention, as shown in figure 1, the embodiment of the present invention
The determination method of the video file of offer comprises the following steps：
Step 101：Obtain the history played data that there is incidence relation with the video file of front cover to be determined；
Wherein, it is described to include described treat really with front cover to be determined video file has incidence relation history played data
The played data of the video file of fixing cover and corresponding barrage data；
In actual applications, the history played data includes number and the use that corresponding video file has been viewed by a user
The barrage comment data that family inputs when watching the video file.
Step 102：The target video fragment of the video file is determined according to the history played data of acquisition；
Wherein, the target video fragment for determining the video file, including：
The video file is divided in units of the default period, obtains at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold, or
Played data and barrage data to the video segment are weighted processing, obtain the corresponding of each video segment
Calculated value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as target video fragment；Wherein, corresponding to described
Calculated value can be according to stating the played data of video segment and barrage data are multiplied by default ratio value and summed again respectively,
The final calculated value obtained, that is, show the played data and barrage data ratio shared in the calculated value, in reality
In the application of border, different ratio values can be set to the played data and barrage data according to the actual requirements.
In actual applications, the default period can be that 30s (second), 1min (minute) etc. are not more than video file
The period of duration, the video file is divided by the period, obtains multiple video segments, statistics is each respectively
The played data (broadcasting time) and/or barrage data (number of reviews) of individual video segment, in normal circumstances, the video
The played data (broadcasting time) and/or barrage data (number of reviews) that fragment statistics obtains are more, show that the video segment is got over
Excellent, i.e., the video segment can be defined as target video fragment (popular fragment).
Step 103：The front cover of the video file is determined according to the target video fragment of the determination.
Wherein, the coded frame of at least one full frame compression is extracted from the target video fragment, according to default decoding
The coded frame that mode is compressed to the full frame decodes, and the view data of the coded frame of the full frame compression is obtained, by described in
View data is defined as the front cover of the video file.
Wherein, the coded frame of the full frame compression represents key frame, or I frames (intra picture), the full frame compression
Coded frame be this frame picture complete reservation, it may not be necessary to generate complete image with reference to other pictures.
In actual applications, after the coded frame that a full frame compresses is drawn into, the pressure for the coded frame compressed according to full frame
Contracting coding characteristic, such as：MPEG (Moving Picture Experts Group) compression coding technology, after being decoded to it
The view data of acquisition is the static image of a width, you can the static front cover as video file；When being drawn into two or two
After the coded frame of full frame compression above, according to the characteristics of the coded frame of full frame compression, to the coded frame of multiple full frame compressions
Continuous dynamic image can be obtained after being decoded, you can the cardon front cover as video file.
Embodiment two
Fig. 2 is the determination method flow schematic diagram of video set front cover of the embodiment of the present invention, as shown in Fig. 2 the present invention is implemented
The determination method for the video set front cover that example provides comprises the following steps：
Step 201：The video file for obtaining front cover to be determined concentrates the historical operating data of video file, is gone through according to described
History operation data determines target video file；
Wherein, it is described that target video file is determined according to the historical operating data, including：
The historical operating data for concentrating video file to the video file counts, and obtains statistical value；Wherein, it is described
Historical operating data comprises at least：The number of operations of broadcasting, the number of operations of pause, the number of operations of F.F., the operation reviewed
Number；
The video file that statistical value is more than or equal to given threshold is defined as first object video file；Statistical value is less than
The video file of the threshold value of setting is defined as the second target video file.
In actual applications, the video clip can be a serial movie and television play, and the video clip can be
The movie and television play to have finished, or do not finish and also concentrate going through for video file in the movie and television play of continuous updating, the video file
History operation data can be user nearest a period of time for example：The video file is concentrated in one week or one month each
The click volume of video file, the number of operations played, the number of operations of pause, the number of operations of F.F., the number of operations reviewed,
Under normal circumstances, a video file concentrates the operation amount of video file more, shows that the video file is more excellent, attracts
Many users carry out click viewing, and frame can be taken out in the video file and makes front cover.
Step 202：The history played data with incidence relation with the target video file is obtained, according to acquisition
The history played data determines the target video fragment of the target video file；
Wherein, the target video fragment for determining the video file is stated, including：
The video file is divided in units of the default period, obtains at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold, or
Played data and barrage data to the video segment are weighted processing, obtain the corresponding of each video segment
Calculated value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as target video fragment；Wherein, corresponding to described
Calculated value can be according to stating the played data of video segment and barrage data are multiplied by default ratio value and summed again respectively,
The final calculated value obtained, that is, show the played data and barrage data ratio shared in the calculated value.
It should be noted that the target video fragment of target video file is determined according to the history played data of acquisition
Specific method is referred to the method that target video fragment is determined shown in Fig. 1, will not be repeated here.
Step 203：The front cover of the video clip is determined according to the target video fragment of the determination.
Wherein, the target video fragment according to the determination determines the front cover of the video clip, including：
The coded frame of at least two full frames compression is obtained from the target fragment of the first object video file, according to pre-
If decoding process the coded frame of each full frame compression is decoded, obtain the image of the coded frame of each full frame compression
Data, the view data of the coded frame of each full frame compression is synthesized into dynamic image, the dynamic image is defined as institute
The front cover of video clip is stated, and/or,
The coded frame of a full frame compression is obtained from the target fragment of the second target video file, according to default
The coded frame that decoding process compresses to the full frame decodes, and obtains the view data of the coded frame of the full frame compression, will
Described image data are defined as the front cover of the video clip.
It should be noted that the front cover specific method for determining video clip according to the target video fragment of determination can be with
The method that front cover is determined described in reference picture 1, will not be repeated here.
Embodiment three
Fig. 3 is the structural representation of the determining device of video file front cover of the embodiment of the present invention, as shown in figure 3, of the invention
The determining device for the video file front cover that embodiment provides includes：
Acquisition module 301, for obtaining the history played data that there is incidence relation with the video file of front cover to be determined；
Wherein, it is described to include the front cover to be determined with front cover to be determined video file has incidence relation history played data
The played data of video file and corresponding barrage data；
Determining module 302, for determining the target video of the video file according to the history played data of acquisition
Fragment；
Front cover module 303, for determining the front cover of the video file according to the target video fragment of the determination.
Wherein, above-mentioned determining module 302 is used for, and the video file is divided in units of the default period,
Obtain at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold.
Wherein, above-mentioned determining module 302 is additionally operable to, and the played data and barrage data to the video segment are weighted
Processing, the corresponding calculated value of each video segment is obtained, video segment of the corresponding calculated value higher than predetermined threshold value is defined as
Target video fragment；Wherein, the corresponding calculated value can be according to the played data and barrage data point for stating video segment
Default ratio value is not multiplied by be summed again, the final calculated value of acquisition, that is, shows the played data and barrage data
The shared ratio in the calculated value.
Wherein, above-mentioned front cover module 303 is used for, and the volume of at least one full frame compression is extracted from the target video fragment
Code frame, is decoded according to the coded frame that default decoding process compresses to the full frame, obtains the coding of the full frame compression
The view data of frame, described image data are defined as to the front cover of the video file.
In actual applications, the determining device of the video file front cover can apply to provide the server of related service
Side, mobile terminal side can also be arranged at or be arranged at application program of mobile terminal etc..
Example IV
Fig. 4 is the structural representation of the determining device of video set front cover of the embodiment of the present invention, as shown in figure 4, the present invention is real
Applying the determining device of the video set front cover of example offer includes：
Acquisition module 401, the video file for obtaining front cover to be determined concentrate the historical operating data of video file；With
In acquisition and the history played data with incidence relation of the target video file；
Determining module 402, for determining target video file according to the historical operating data；It is additionally operable to according to acquisition
The history played data determine the target video fragment of the target video file；Wherein, it is described literary with target video
Part has the played data and correspondingly of the video clip of the history played data including the front cover to be determined of incidence relation
Barrage data；
Front cover module 403, for determining the front cover of the video clip according to the target video fragment of the determination.
Wherein, above-mentioned determining module 402, for concentrating the historical operating data of video file to carry out to the video file
Statistics, obtains statistical value；Wherein, the historical operating data comprises at least：The number of operations of broadcasting, pause number of operations,
The number of operations of F.F., the number of operations reviewed；
The video file that statistical value is more than or equal to given threshold is defined as first object video file；Statistical value is less than
The video file of the threshold value of setting is defined as the second target video file.
Wherein, above-mentioned determining module 402, for being divided in units of the default period to the video file,
Obtain at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold.
Wherein, above-mentioned determining module 402, place is weighted for the played data to the video segment and barrage data
Reason, the corresponding calculated value of each video segment is obtained, video segment of the corresponding calculated value higher than predetermined threshold value is defined as mesh
Mark video segment；Wherein, the corresponding calculated value can be according to played data and barrage the data difference for stating video segment
It is multiplied by default ratio value to be summed again, the final calculated value of acquisition, that is, shows that the played data and barrage data exist
Shared ratio in the calculated value.
Wherein, above-mentioned front cover module 403, for obtaining at least two from the target fragment of the first object video file
The coded frame of individual full frame compression, decodes according to the coded frame that default decoding process compresses to each full frame, obtains institute
The view data of the coded frame of each full frame compression is stated, the view data of the coded frame of each full frame compression is synthesized into Dynamic Graph
Picture, the dynamic image is defined as to the front cover of the video clip, and/or,
The coded frame of a full frame compression is obtained from the target fragment of the second target video file, according to default
The coded frame that decoding process compresses to the full frame decodes, and obtains the view data of the coded frame of the full frame compression, will
Described image data are defined as the front cover of the video clip.
In actual applications, the determining device of the video set front cover can apply to provide the server of related service
Side, mobile terminal side can also be arranged at or be arranged at application program of mobile terminal etc..
Above-mentioned determining module and front cover module can by any kind of volatibility or non-volatile memory device or it
Combination realize.Wherein, nonvolatile memory can be read-only storage (ROM, Read Only Memory), can compile
Journey read-only storage (PROM, Programmable Read-Only Memory), Erasable Programmable Read Only Memory EPROM
(EPROM, Erasable Programmable Read-Only Memory), Electrically Erasable Read Only Memory
(EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access store
Device (FRAM, Ferromagnetic Random Access Memory), flash memory (Flash Memory), magnetic surface are deposited
Reservoir, CD or read-only optical disc (CD-ROM, Compact Disc Read-Only Memory)；Magnetic surface storage can be
Magnetic disk storage or magnetic tape storage.Volatile memory can be random access memory (RAM, Random Access
Memory), it is used as External Cache.By exemplary but be not restricted explanation, the RAM of many forms can use, such as
Static RAM (SRAM, Static Random Access Memory), synchronous static RAM
(SSRAM, Synchronous Static Random Access Memory), dynamic random access memory (DRAM,
Dynamic Random Access Memory), Synchronous Dynamic Random Access Memory (SDRAM, Synchronous
Dynamic Random Access Memory), double data speed synchronous dynamic RAM (DDRSDRAM,
Double Data Rate Synchronous Dynamic Random Access Memory), enhanced synchronous dynamic random
Access memory (ESDRAM, Enhanced Synchronous Dynamic Random Access Memory), synchronized links
Dynamic random access memory (SLDRAM, SyncLink Dynamic Random Access Memory), direct rambus
Random access memory (DRRAM, Direct Rambus Random Access Memory).The embodiment of the present invention describes really
Cover half block 203, authentication module 204 are intended to the memory of including but not limited to these and any other suitable type.
In the exemplary embodiment, the video front cover determining device and video set front cover determining device can by one or
Multiple application specific integrated circuits (ASIC, Application Specific Integrated Circuit), DSP, it may be programmed
Logical device (PLD, Programmable Logic Device), CPLD (CPLD, Complex
Programmable Logic Device), field programmable gate array (FPGA, Field-Programmable Gate
Array), general processor, controller, microcontroller (MCU, Micro Controller Unit), microprocessor
(Microprocessor) or other electronic components are realized, for performing preceding method.
Embodiment five
In embodiments of the present invention, directly one or several key frames can be extracted from the specified location in video file to come
Front cover is made, can also be from for example, first or preceding several key frames can be extracted directly from video file to make front cover
Key frame is extracted in the popular fragment of video file, and front cover is made according to the key frame of extraction.It is determined that the heat of video file
During door fragment, it can be determined according to viewing number and barrage quantity, as shown in figure 5, fifth embodiment of the invention flow bag
Include following steps：
Step 501：Determine the popular fragment of video file；
Wherein, the popular fragment for determining the video file, including：
The video file is divided in units of the default period, obtains at least two video segments；
According to the history played data, the played data of video segment and/or barrage data marked off is united
Meter, the broadcasting statistics and/or barrage statistics of video segment are obtained, statistics and/or barrage statistical number will be played
It is defined as target video fragment according to the video segment higher than given threshold, or
Played data and barrage data to the video segment are weighted processing, obtain the corresponding of each video segment
Calculated value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as popular fragment；Wherein, the corresponding calculating
Value can be according to stating the played data of video segment and barrage data are multiplied by default ratio value and summed again respectively, obtain
Final calculated value, that is, show the played data and barrage data ratio shared in the calculated value.
In actual applications, when taking out frame from video file, frame can be taken out from the popular fragment of the video file, with
The frame for largely ensuring to extract automatically is user's content more interested.Wherein, popular fragment can be according to sight
Number and barrage quantity are seen to determine.
In a kind of application scenarios, popular fragment can include watching the more fragment of number in video file.Then true
During fixed popular fragment, a measurement period fragment can be first preset, such as：30 seconds, by video file using measurement period fragment as
Unit is divided, for example, video file is 30 minutes, measurement period fragment is 30 seconds, then can be divided into video file
60 measurement period fragments, then count viewing number corresponding to all measurement period fragments in a video file, and shape
The ranking list of all measurement period fragments, takes the fragment of previous name or top in into a video, and extracts this respectively
Or the key frame in several fragments；Wherein, the measurement period fragment can choose 30 seconds of acquiescence, or 1 minute, or
Person 5 minutes, can also be self-defined by related personnel.And the key frame of ranking top fragment is specifically extracted, also can be by relevant people
Member's self-defining.
In another application scenarios, a fairly large number of fragment of barrage can be defined as popular fragment, then it is determined that heat
During door fragment, a measurement period fragment can also be first preset, such as：30 seconds, by video file using measurement period fragment to be single
Position is divided, and then counts barrage quantity corresponding to all measurement period fragments in a video file, and form one
The ranking list of all measurement period fragments in video, takes the fragment of previous name or top, and extracts this respectively or this is several
Key frame in individual fragment.
In another application scenarios, viewing number and barrage quantity can be integrated to determine popular fragment, for example, can
To be respectively to watch number and barrage quantity one weighted value of distribution, then summed, obtain each measurement period fragment
It is corresponding and value, formed a video in all measurement period fragments and value ranking list, determine previous name or top
Popular fragment.
Step 502：Front cover of the key frame as video file is extracted from popular fragment.
Wherein, at least one key frame is extracted from the popular fragment, according to default decoding process to the key
Frame is decoded, and obtains the view data of the key frame, and described image data are defined as to the front cover of the video file.
In actual applications, after a key frame is drawn into, according to the compressed encoding feature of the video file, such as：
MPEG (Moving Picture Experts Group) compression coding technology, the view data obtained after being decoded to it are
The static image of one width, you can the static front cover as video file；It is right after two or more key frames are drawn into
The coded frame of multiple full frame compressions can obtain continuous dynamic image after being decoded, you can the cardon as video file
Front cover.
Embodiment six
Fig. 6 is sixth embodiment of the invention schematic flow sheet, as shown in fig. 6, sixth embodiment of the invention flow include with
Lower step：
Step 601：When taking out frame from video file, the quantity for the key frame for determining to extract according to the hobby of user；
In embodiments of the present invention, when taking out frame making front cover from video file, a key frame can be extracted, also may be used
To extract multiple key frames.
Wherein, it is determined that extracting a key frame or multiple key frames from video file to make the envelope of video file
During face, it can be determined according to the hobby of user.Specifically, it can determine that user likes first according to the historical viewing data of user
Good video type (for example, film, TV play etc.), then, takes out in video file corresponding to the video type from user preferences
Take multiple key frames；And a key frame is extracted in video corresponding to the video type do not liked from user.
In a kind of application scenarios, the video type of user preferences can be determined according to the historical viewing data of user,
Specifically, the video type of user preferences can be determined according to the click volume of user, server can be with counting user to difference
The click volume of the program of type, and whether the click volume for judging to count exceedes default click threshold, if exceeding click threshold,
Video type corresponding to can then determining is the video type of user preferences；, can be true if being no more than default click threshold
Video type corresponding to fixed is not the video type of user preferences.Wherein, click volume can be the number that video file is clicked,
Such as can include play, pause, playback video file when corresponding number of clicks, can also include user click on barrage when pair
Number of clicks answered etc., this programme is without limitation.
For example, can with counting user nearest a period of time for example：To the point of different types of video file in one month
The amount of hitting, and whether the click volume for judging to count exceedes default click threshold, it can be assumed that the user counted is nearest one
It it is 400 times to the click volume of TV play in individual month, the click volume to film is 80 times, and default click threshold is 100 times, then
The video type that TV play is user preferences can be determined, film is not the video type of user preferences.At this point it is possible to from TV
Multiple key frames are extracted in acute video file；And a key frame is extracted from the video file of film.
In embodiments of the present invention, if some videos in user preferences same class video, but such is not liked and is regarded
Other videos in frequency, for example, being directed to this kind of video of film, user preferences comedy movie, but do not like horrow movie, then may be used
To extract multiple key frames from comedy movie, and a key frame is extracted from the popular fragment of horrow movie, or, according to
The click volume of user and default another click threshold determine which of user preferences same class video video, and not
Like which of same class video video.
For example, can with counting user nearest a period of time for example：To same type of different video file in one month
Click volume, and judge whether the click volume that counts exceedes default another click threshold.It assume that the user counted
Click volume to comedy TV play in nearest one month is 300 times, and the click volume to horrow movie is 20 times, and default point
Threshold value is hit as 60 times, then can determine the video type that comedy TV play is user preferences, film is not the video of user preferences
Type, multiple key frames, and the video text from terrified TV play can be now extracted from the video file of comedy TV play
A key frame is extracted in part.
Step 602：It is determined that after the quantity of the key frame extracted, frame is taken out from video file；
In embodiments of the present invention, if it is determined that a key frame is extracted from video file, then can be directly from video
First key frame is extracted in file；If it is determined that multiple key frames are extracted from video file, then can be from video file
Multiple key frames are extracted in popular fragment.
Wherein, the particular content for multiple key frames being extracted from the popular fragment of video file may be referred to above-described embodiment
On extracting the coded frame of full frame compression or the method for key frame, will not be repeated here.
In a kind of application scenarios, the video set belonging to video file can be the video set not finished, such as more
New TV play, variety show etc., at this point it is possible to according to the above-mentioned method for taking out frame from the video set belonging to the video file most
Multiple key frames corresponding to a new collection or an interim extraction.
, can also if the video set belonging to video file is the video set not finished in another application scenarios
User is monitored for the viewing progress of the video set, video do not watched if there is user and updated, then may be used
With to not watching and the barrage quantity of all measurement period fragments of updated each video, the weighting of viewing number or both
Counted with value, obtain highest statistical value corresponding with each video, if highest statistical value phase corresponding to each video
Difference is smaller, then a collection/mono- of/mono- phase of collection of the earliest renewal that can not watched from user or newest (updating the latest) is interim
Extract multiple frames；It is significantly larger than highest corresponding to other videos if there is highest statistical value corresponding to a video to count
Value, then can be extracted from the video corresponding to multiple frames, or, if user does not watch and updated each video correspondence
Highest statistical value difference it is smaller, can not also watch from user respectively and highest statistical value is obtained in updated each video
Measurement period fragment corresponding to (or higher several statistical values), and extract respectively from (or those) the measurement period fragment pair
The frame answered.
In a kind of application scenarios, video set has been completed to update, and user has completed to watch, then can from last one set/
The one interim multiple frames of extraction, or, it is consistent with above-mentioned selection strategy, first judge highest statistical value corresponding to all videos, then,
Judge with the presence or absence of the highest statistical value for being far longer than other highest statistical values in all highest statistical values, can if being not present
To extract multiple frames from the multiple frames of the interim extraction of last one set/mono- or from each collection/mono- is interim；If in the presence of can be from corresponding
Multiple frames are extracted in the video of highest statistical value.
It can be assumed for instance that the video file for needing to take out frame is TV play, the TV play one shares 30 collection, but at present only more
, then, can be from newest one collection TV play, i.e., the 20th collection TV play when making the front cover of the video file newly to the 20th collection
Key frame corresponding to popular fragment is extracted, or, the TV play has been updated to the 20th collection, but user has only watched the 10th collection,
Then terminal device can collect to the 20th collection to the TV play the 11st and count, and specifically, can count the multiple of each concentration
The weighted sum of viewing number, barrage quantity or both, then, obtains highest corresponding to each collection corresponding to measurement period fragment
Numerical value, obtaining corresponding to the 11st collection to the 20th collection after highest numerical value, can be from the if 10 numerical value differences are smaller
11 collection or the 20th concentration take out frame；If some value occur in 10 numerical value is far longer than other values, the value pair can be found
The measurement period fragment answered, and the key frame in the measurement period fragment is extracted, can also if 10 numerical value differences are smaller
Respectively measurement period corresponding to highest statistical value or higher several statistical values is obtained from the 11st collection to each concentration of the 20th collection
Fragment, and the frame corresponding to extraction from the measurement period fragment got respectively.This programme can equally be arranged to work as some collection
Corresponding viewing number, barrage quantity or both and value relatively larger than other collection when, the frame extracted from those collection is more, from it
It is less that he collects the frame extracted.
Step 603：After frame is taken out from video file, the front cover of the video file is generated according to the frame extracted.
Wherein, the tool that at least one key frame is defined as the front cover of video file is extracted from the popular fragment of video file
Body method may be referred to coded frame or key frame of the above-mentioned first embodiment to the 5th embodiment on extracting full frame compression and determine
The method of front cover, will not be repeated here.
In embodiments of the present invention, can be directly by the key frame if extracting a key frame from video file
Front cover as the video file.
If having extracted multiple key frames from video file, can be given birth to according to prior art based on the plurality of key frame
Into dynamic image, and the front cover using the dynamic image as the video file.
It should be noted that a certain video set (such as TV play) is directed to, if respectively from multiple videos of the video set
It is middle to have extracted multiple key frames (for example, from key frame corresponding to the 11st collection to each concentration extraction of the 20th collection in step 602),
Then one dynamic image can be generated according to the plurality of key frame according to the playing sequence of the plurality of video, and by the dynamic image
It is arranged to the front cover of the video set；Or dynamic image corresponding with the plurality of video is first generated respectively, then, regarded according to the plurality of
The plurality of dynamic image is arranged to the front cover of the video set by the playing sequence of frequency in turn.
In a kind of application scenarios, it can collect respectively from the 11st to the 20th and collect 5 key frames corresponding to this 10 concentration extraction,
Then when generating the dynamic image of the TV play, 5 key frames corresponding to the 11st collection can be placed on foremost, then, successively
Put 5 key frames corresponding to the 12nd collection, 5 key frames ... corresponding to the 13rd collection to the last put 5 passes corresponding to the 20th collection
Key frame.After dynamic image is generated, front cover that can be using the dynamic image as the TV play.Wherein, if the dynamic image
Overlong time, can also according to from it is continuous it is a few concentrate the key frames extracted to generate dynamic images, then, by the more of generation
Individual dynamic image is updated to the front cover of TV play in turn；Or can set front cover for 15 seconds renewal once, then can first by from
11st concentrates the key frame extracted out to be arranged to front cover, after 15 seconds, front cover can be updated to the key extracted out from the 12nd collection, with this
Analogize, when front cover is updated into the key frame that the 20th collection is extracted out, after 15 seconds, front cover can be updated to what is extracted out from the 11st collection
Key frame.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (20)
- A kind of 1. determination method of video file front cover, it is characterised in that methods described includes：Obtain the history played data that there is incidence relation with the video file of front cover to be determined；Wherein, described and envelope to be determined The video file in face has the played data of video file of the history played data including the front cover to be determined of incidence relation And corresponding barrage data；The target video fragment of the video file is determined according to the history played data of acquisition；The front cover of the video file is determined according to the target video fragment of the determination.
- 2. according to the method for claim 1, it is characterised in that the target video piece for determining the video file Section, including：The video file is divided in units of the default period, obtains at least two video segments；According to the history played data, the played data of video segment and/or barrage data marked off is counted, obtained The broadcasting statistics and/or barrage statistics of video segment are obtained, statistics will be played and/or barrage statistics is higher than The video segment of given threshold is defined as target video fragment.
- 3. according to the method for claim 2, it is characterised in that methods described also includes：Played data and barrage data to the video segment are weighted processing, obtain the corresponding calculating of each video segment Value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as target video fragment.
- 4. according to the method for claim 1, it is characterised in that described in the target fragment according to the determination is determined The front cover of video file, including：The coded frame of at least one full frame compression is extracted from the target video fragment, according to default decoding process to described The coded frame of full frame compression is decoded, and obtains the view data of the coded frame of the full frame compression, and described image data are true It is set to the front cover of the video file.
- A kind of 5. determination method of video clip front cover, it is characterised in that methods described includes：The video file for obtaining front cover to be determined concentrates the historical operating data of video file, true according to the historical operating data Make target video file；The history played data with incidence relation with the target video file is obtained, is played according to the history of acquisition Data determine the target video fragment of the target video file；Wherein, it is described that there is incidence relation with target video file History played data including the front cover to be determined video clip played data and corresponding barrage data；The front cover of the video clip is determined according to the target video fragment of the determination.
- 6. according to the method for claim 5, it is characterised in that described to determine that target regards according to the historical operating data Frequency file, including：The historical operating data for concentrating video file to the video file counts, and obtains statistical value；Wherein, the history Operation data comprises at least：The number of operations of broadcasting, the number of operations of pause, the number of operations of F.F., the number of operations reviewed；The video file that statistical value is more than or equal to given threshold is defined as first object video file；Statistical value is less than setting The video file of threshold value be defined as the second target video file.
- 7. according to the method for claim 5, it is characterised in that the target video piece for determining the video file Section, including：The video file is divided in units of the default period, obtains at least two video segments；According to the history played data, the played data of video segment and/or barrage data marked off is counted, obtained The broadcasting statistics and/or barrage statistics of video segment are obtained, statistics will be played and/or barrage statistics is higher than The video segment of given threshold is defined as target video fragment.
- 8. according to the method for claim 7, it is characterised in that methods described also includes：Played data and barrage data to the video segment are weighted processing, obtain the corresponding calculating of each video segment Value, video segment of the corresponding calculated value higher than predetermined threshold value is defined as target video fragment.
- 9. according to the method for claim 5, it is characterised in that the target video fragment according to the determination is determined The front cover of the video clip, including：The coded frame of at least two full frames compression is obtained from the target fragment of the first object video file, according to default Decoding process decodes to the coded frame of each full frame compression, obtains the picture number of the coded frame of each full frame compression According to the view data of the coded frame of each full frame compression is synthesized into dynamic image, the dynamic image is defined as described The front cover of video clip, and/or,The coded frame of a full frame compression is obtained from the target fragment of the second target video file, according to default decoding The coded frame that mode is compressed to the full frame decodes, and the view data of the coded frame of the full frame compression is obtained, by described in View data is defined as the front cover of the video clip.
- 10. a kind of determining device of video front cover, it is characterised in that described device includes：Acquisition module, for obtaining the history played data that there is incidence relation with the video file of front cover to be determined；Wherein, institute The history played data that state has incidence relation with the video file of front cover to be determined includes the video text of the front cover to be determined The played data of part and corresponding barrage data；Determining module, for determining the target video fragment of the video file according to the history played data of acquisition；Front cover module, for determining the front cover of the video file according to the target video fragment of the determination.
- 11. device according to claim 10, it is characterised in that the determining module is used for, using the default period as Unit divides to the video file, obtains at least two video segments；According to the history played data, the played data of video segment and/or barrage data marked off is counted, obtained The broadcasting statistics and/or barrage statistics of video segment are obtained, statistics will be played and/or barrage statistics is higher than The video segment of given threshold is defined as target video fragment.
- 12. device according to claim 11, it is characterised in that the determining module is additionally operable to, to the video segment Played data and barrage data be weighted processing, the corresponding calculated value of each video segment is obtained, by corresponding calculated value Video segment higher than predetermined threshold value is defined as target video fragment.
- 13. device according to claim 10, it is characterised in that the front cover module is used for, from the target video piece The coded frame of at least one full frame compression is extracted in section, the coded frame compressed according to default decoding process to the full frame is carried out Decoding, the view data of the coded frame of the full frame compression is obtained, described image data are defined as to the envelope of the video file Face.
- 14. a kind of determining device of video set front cover, it is characterised in that described device includes：Acquisition module, the video file for obtaining front cover to be determined concentrate the historical operating data of video file；For obtaining With the history played data with incidence relation of the target video file；Determining module, for determining target video file according to the historical operating data；It is additionally operable to according to acquisition History played data determines the target video fragment of the target video file；Wherein, it is described to have with target video file The history played data of incidence relation includes the played data of the video clip of the front cover to be determined and corresponding barrage Data；Front cover module, for determining the front cover of the video clip according to the target video fragment of the determination.
- 15. device according to claim 14, it is characterised in that the determining module, for the video clip The historical operating data of middle video file is counted, and obtains statistical value；Wherein, the historical operating data comprises at least：Broadcast The number of operations put, the number of operations of pause, the number of operations of F.F., the number of operations reviewed；The video file that statistical value is more than or equal to given threshold is defined as first object video file；Statistical value is less than setting The video file of threshold value be defined as the second target video file.
- 16. device according to claim 14, it is characterised in that the determining module, for using the default period as Unit divides to the video file, obtains at least two video segments；According to the history played data, the played data of video segment and/or barrage data marked off is counted, obtained The broadcasting statistics and/or barrage statistics of video segment are obtained, statistics will be played and/or barrage statistics is higher than The video segment of given threshold is defined as target video fragment.
- 17. device according to claim 16, it is characterised in that the determining module, for the video segment Played data and barrage data are weighted processing, obtain the corresponding calculated value of each video segment, and corresponding calculated value is high It is defined as target video fragment in the video segment of predetermined threshold value.
- 18. device according to claim 14, it is characterised in that the front cover module, for being regarded from the first object The coded frame of at least two full frames compression is obtained in the target fragment of frequency file, according to default decoding process to each full frame The coded frame of compression is decoded, and obtains the view data of the coded frame of each full frame compression, by each full frame compression The view data of coded frame synthesizes dynamic image, and the dynamic image is defined as to the front cover of the video clip, and/ Or,The coded frame of a full frame compression is obtained from the target fragment of the second target video file, according to default decoding The coded frame that mode is compressed to the full frame decodes, and the view data of the coded frame of the full frame compression is obtained, by described in View data is defined as the front cover of the video clip.
- A kind of 19. determining device of video front cover, it is characterised in that including：Processor and for store can be on a processor The memory of the computer program of operation,Wherein, when the processor is used to run the computer program, perform claim requires the step of 1 to 9 any methods described Suddenly.
- 20. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program quilt The step of claim 1 to 9 any methods described is realized during computing device.
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