CN108377421A - The playback method and display equipment, computer readable storage medium of video - Google Patents
The playback method and display equipment, computer readable storage medium of video Download PDFInfo
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- CN108377421A CN108377421A CN201810391334.4A CN201810391334A CN108377421A CN 108377421 A CN108377421 A CN 108377421A CN 201810391334 A CN201810391334 A CN 201810391334A CN 108377421 A CN108377421 A CN 108377421A
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- 238000000034 method Methods 0.000 title claims abstract description 66
- 230000015654 memory Effects 0.000 claims abstract description 25
- 238000004364 calculation method Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 21
- 238000013507 mapping Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007334 memory performance Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
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Classifications
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a kind of playback methods of video, and this approach includes the following steps：The real-time performance parameter of current display setup is obtained, the real-time performance parameter is CPU usage and/or memory usage；The image resolution ratio and picture display face product of current playing video file in the display equipment are obtained, and shows that area obtains image parameter according to described image resolution ratio and described image；Numeric ratio is obtained according to the ratio calculation of described image parameter and the performance parameter；When the numeric ratio is less than or equal to the predetermined threshold value, continue that described image resolution ratio and described image is kept to show that area plays the video file；When the numeric ratio is more than the predetermined threshold value, described image resolution ratio is reduced and/or reduces described image showing area.The invention also discloses a kind of display equipment and computer readable storage mediums.Technical solution provided by the invention can reduce Caton phenomenon when video playing.
Description
Technical field
The present invention relates to the playback method and display equipment of field of video broadcasting technology more particularly to a kind of video, calculate
Machine readable storage medium storing program for executing.
Background technology
Now with the development of the video technique of the larger resolution ratio such as 4K, user in daily life can be aobvious by having
The electronic equipment of display screen plays the video of the big resolution ratio such as 4K, however the video playing of big resolution ratio needs to occupy more memories
And CPU.When cpu performance or internal memory performance cannot meet use, video playing interim card can be led to, while also resulting in electronics and setting
Standby operation interim card.
The solution used at present is according to process priority, and dynamic carry out process exits management, to ensure to play
Process can have enough idle CPU or free memory to use, but this technology is often limited by the priority of system process, and
The technical issues of playing interim card cannot be overcome completely.
Therefore, it is necessary to provide a kind of playback method of video, above-mentioned technical problem is solved.
Invention content
The main purpose of the present invention is to provide a kind of playback method of video and display equipment, computer-readable storage mediums
Matter, it is intended to when solving existing display equipment and carrying out big resolution video and play, the technical issues of playing easy interim card.
To achieve the above object, the playback method of a kind of video provided by the invention, includes the following steps：
The real-time performance parameter of current display setup is obtained, the real-time performance parameter is that CPU usage and/or memory account for
With rate；
The image resolution ratio and picture display face product of current playing video file in the display equipment are obtained, and according to institute
It states image resolution ratio and described image shows that area obtains image parameter；
Numeric ratio is obtained according to the ratio calculation of described image parameter and the real-time performance parameter；
Judge whether the numeric ratio is more than predetermined threshold value；
When the numeric ratio is less than or equal to the predetermined threshold value, continue to keep described image resolution ratio and described image
Show that area plays the video file；
When the numeric ratio is more than the predetermined threshold value, described image resolution ratio is reduced and/or reduces described image showing
Show area, so that the numeric ratio obtained after adjustment reduces.
Preferably, the image resolution ratio and picture display face for obtaining current playing video file in the display equipment
Product, and the step of area obtains image parameter is shown according to described image resolution ratio and described image, it specifically includes：
The image resolution ratio and picture display face product for obtaining current playing video file in the display equipment, according to described
Image resolution ratio and described image show that the product of area obtains described image parameter.
Preferably, the image resolution ratio and picture display face for obtaining current playing video file in the display equipment
Product, and the step of area obtains image parameter is shown according to described image resolution ratio and described image, it specifically includes：
The image resolution ratio and picture display face product for obtaining current playing video file in the display equipment, according to described
Image resolution ratio, described image show that the product of area and preset constant obtains described image parameter.
Preferably, described when the numeric ratio is more than the predetermined threshold value, reduce described image resolution ratio and/or diminution
Described image shows area, so that the step of numeric ratio obtained after adjustment reduces, specifically includes：
When the numeric ratio is more than the predetermined threshold value, the image resolution ratio of the video file is reduced；
The real-time performance parameter after adjustment is obtained, and shows the described image after area and adjustment according to described image
Described image parameter after the adjustment that resolution ratio obtains obtains first with the ratio calculation of the real-time performance parameter after adjustment
Numeric ratio；
Judge whether first numeric ratio is more than the predetermined threshold value；
When first numeric ratio is less than or equal to the predetermined threshold value, the video file is with described image display surface
Image resolution ratio after product and the adjustment plays；
When first numeric ratio is more than the predetermined threshold value, reduces described image and show area；
Obtain adjustment after presently described real-time performance parameter, and according to after the adjustment image resolution ratio and adjustment after
Described image show the described image parameter after the obtained adjustment of area, the ratio calculation with presently described real-time performance parameter
Obtain second value ratio；
Judge the second value than whether being more than the predetermined threshold value；
When the second value ratio is less than or equal to the predetermined threshold value, the video file is with the figure after the adjustment
It is played as the picture display face after resolution ratio and the adjustment accumulates.
Preferably, described when the numeric ratio is more than the predetermined threshold value, reduce the image resolution of the video file
The step of rate, specifically includes：
When the numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter and default capabilities parameter
Constant mapping table, obtain first constant, according to presently described picture display face product and pre-set image show area constant reflect
Firing table obtains second constant；
Described image resolution ratio is multiplied by the first constant and the ratio of the second constant is worth to the figure after the adjustment
As resolution ratio, the image resolution ratio for reducing the video file is the image resolution ratio after the adjustment.
Preferably, it according to when first numeric ratio is more than the predetermined threshold value, reduces described image and shows area
Step specifically includes：
When first numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter and described default
The constant mapping table of performance parameter obtains three constant, according to the image resolution ratio and pre-set image point after presently described adjustment
The constant mapping table of resolution obtains the 4th constant；
Described image shows that area is multiplied by the three constant and the ratio of the 4th constant is worth to the image after the adjustment
Show area, the picture display face product for reducing the video file is the picture display face product after the adjustment.
Preferably, the image resolution ratio after the adjustment is greater than or equal to default minimum image resolution ratio, after the adjustment
Picture display face product be greater than or equal to default minimum image and show area.
Preferably, described when the numeric ratio is more than the predetermined threshold value, reduce described image resolution ratio and/or diminution
Described image shows area, so that after the step of numeric ratio obtained after adjustment reduces, further includes：
The image resolution ratio after adjustment is equal to the default minimum image resolution ratio, and the image after the adjustment is aobvious
When showing that area is equal to the default minimum image display area, and second value ratio is more than the predetermined threshold value, stops
It plays the video file and pops up prompt message.
The present invention provides a kind of display equipment, the display equipment include storage unit, processing unit, display unit and
The computer program that can be run in the storage unit and on the processing unit is stored in, described in the processing unit executes
The step of playback method of video as the aforementioned is realized when computer program.
The present invention provides a kind of computer readable storage medium, calculating is stored on the computer readable storage medium
The step of machine program, the computer program realizes the playback method of video as the aforementioned when being executed by processing unit.
In technical solution provided by the invention, due to image resolution ratio and picture display face product with real-time performance parameter at
Direct ratio can reflect and work as according to the ratio of image parameter and real-time performance parameter that image resolution ratio and picture display face product obtain
Whether preceding display device plays video meets setting.It is weights and measures by the numeric ratio, is compared with predetermined threshold value, to
It can further carry out reducing described image resolution ratio automatically and/or reduce the adjusting work that described image shows area；Pass through drop
Low described image resolution ratio and/or diminution described image show area, to reduce real-time performance parameter, to solve display equipment
It plays video cardton, fall the technical issues of frame.
Description of the drawings
Fig. 1 is the hardware module structural schematic diagram of the display equipment in one embodiment of the invention；
Fig. 2 is the flow diagram of the first embodiment of the playback method of the video in the present invention；
Fig. 3 is the flow diagram of the second embodiment of the playback method of the video in the present invention；
Fig. 4 is the flow diagram of the 3rd embodiment of the playback method of the video in the present invention；
Fig. 5 is the part flow diagram of the fourth embodiment of the playback method of the video in the present invention；
Fig. 6 is the part flow diagram of the 5th embodiment of the playback method of the video in the present invention；
Fig. 7 is the part flow diagram of the sixth embodiment of the playback method of the video in the present invention；
Fig. 8 is the flow diagram of the 7th embodiment of the playback method of the video in the present invention.
The realization, the function and the advantages of the object of the present invention will elaborate with reference to attached drawing in conjunction with the embodiments.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
It indicates or implies its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, can also be
Electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
The explanation for being conducive to the present invention, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Logical technical staff can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of playback method and display equipment, computer readable storage medium of video.
As shown in Figure 1, Fig. 1 is the hardware module structural schematic diagram of the display equipment in one embodiment of the invention.
Display equipment 100 in the present embodiment includes the components such as storage unit 10, processing unit 20 and display unit 30.
The processing unit 20 is connect with the storage unit 10 and display unit 30 respectively, and calculating is stored in the storage unit 10
Machine program, the computer program can be executed by the processing unit 20.
It should be understood that the display equipment 100 can be television set, PC, can also be smart mobile phone, tablet computer,
E-book reader, MP3 (Moving Picture Experts Group Audio Layer III, dynamic image expert pressure
Contracting standard audio level 3) player, MP4 (Moving Picture Experts Group Audio Layer IV, dynamic shadow
As expert's compression standard audio level 3) terminal device with display function such as player, pocket computer.The display is set
Standby 100 can be by the wired or wirelessly foundation communication connection between server, to realize data interaction.
In the present embodiment, storage unit 10 can be used for storing software program and various data.Storage unit 10 can be led
To include storing program area and storage data field, wherein storing program area can storage program area, needed at least one function
Application program etc., storage data field can store data (such as video file) etc. required when display equipment 100 uses.In addition,
Storage unit 10 may include high speed random memory unit, can also include non-volatile memory cells, for example, at least a magnetic
Disk storage unit, flush memory device or other volatile solid-state memory cell devices.
Processing unit 20, is the control centre for showing equipment 100, and equipment is entirely shown using various interfaces and connection
100 various pieces by running or execute the software program and/or module that are stored in storage unit 10, and are called and are deposited
The data in storage unit 10 are stored up, the various functions for showing equipment 100 and processing data are executed, to showing equipment 100
Carry out integral monitoring.Processing unit 20 may include one or more processors or chip；Optionally, processing unit 20 includes center
Processor (CPU, Central Processing Unit) and memory bar (Memory), with processing operation system, user interface and
Application program etc..
Display unit 30, processing unit 20 can transfer the video file to prestore in storage unit 10, or transfer by logical
The video file that letter unit 40 receives, then played back by display unit 30.
It will be understood by those skilled in the art that the display equipment 100 shown in Fig. 1 can also include than illustrate it is more or
Less component either combines certain components or different components arrangement.
Based on above-mentioned hardware configuration, each embodiment of the playback method of the video in the present invention is proposed.
Please refer to Fig. 2, the flow diagram of the first embodiment of the playback method of the video in the present invention.The video
Playback method 201 includes the following steps：
Step S1, obtains the real-time performance parameter of current display setup, the real-time performance parameter be CPU usage and/
Or memory usage；
CPU is one piece of ultra-large integrated circuit, is the arithmetic core and control core of a computer.CPU is occupied
Rate is the cpu resource for showing the program run in equipment 100 and occupying, and indicates to show the operation journey of equipment 100 at some time point
The case where sequence.CPU usage is higher, illustrates to show that equipment 100 has run many programs on this time, otherwise less.
Memory (Memory) is also referred to as built-in storage, is used to temporarily store the operational data in CPU, and and hard disk
The data that equal external memories exchange, are the bridges linked up with CPU.Memory usage refers to the interior of process institute expense
It deposits.Many cpu resources can not necessarily be occupied by accounting for the big program of memory, and accounts for the big programs of CPU also not necessarily expense is too big
Memory.The excessively high operation that can influence other programs of CPU usage of a certain program.And a certain program committed memory is excessive, it can shadow
Ring the overall performance of machine.
Real-time performance parameter can only be CPU usage or memory usage, can also be comprehensive CPU usage and memory
The numerical value that occupancy obtains, the operating condition for embodying current display setup 100.
Step S2 obtains the image resolution ratio and picture display face product of current playing video file in the display equipment,
And show that area obtains image parameter according to described image resolution ratio and described image；
Image resolution ratio refers to the information content stored in image, is how many pixel in per inch image.Image resolution
Rate is used for indicating the clarity of image, and there are many representation methods of image resolution ratio, the expression side of image resolution ratio in invention
Method is not limited, and common image resolution ratio has 640*480；1024*768；1600*1200；2048*1536；4096×2160
Deng 4K videos refer to the video with 4096 × 2160 image resolution ratios at present.
Picture display face product refers to the length and width multiplication occupied area of video image, using the area in physical significance
Unit.
In fact, the resolution ratio of image is higher, the clarity that user experiences image is better, and validity is better, and image is aobvious
Show that area is bigger, user can watch in remoter place.When video file plays out, image resolution ratio and image are aobvious
Show that area is directly proportional to real-time performance parameter, image resolution ratio is higher, and real-time performance parameter is higher；Picture display face product is got over
Greatly, real-time performance parameter is higher.
Step S3 obtains numeric ratio according to the ratio calculation of described image parameter and the performance parameter；
Step S4, judges whether the numeric ratio is more than predetermined threshold value；
The predetermined threshold value is the numerical value being pre-stored in display equipment, which is that technical staff's foundation is specifically set
It sets.
Step S5, when the numeric ratio be less than or equal to the predetermined threshold value when, continue keep described image resolution ratio and
Described image shows that area plays the video file；
Step S6 is reduced when the numeric ratio is more than the predetermined threshold value described in described image resolution ratio and/or diminution
Picture display face accumulates, so that the numeric ratio obtained after adjustment reduces.
Since image resolution ratio and picture display face product are directly proportional to real-time performance parameter, according to image resolution ratio and figure
As show area obtain image parameter and real-time performance parameter ratio, can reflect current display setup broadcasting performance whether
Meet the needs of playing video file.It is weights and measures by the numeric ratio, is compared with predetermined threshold value, so as to further
Carry out the automatic adjusting work for reducing described image resolution ratio and/or reduce described image display area；By reducing the figure
As resolution ratio and/or described image display area is reduced, to reduce real-time performance parameter, to solve display device plays video
Interim card falls the technical issues of frame.
Referring to Fig. 3, the method flow of the playback method 202 for the video in the second embodiment in the present invention
Figure.In this second embodiment, the step S1 of the playback method 202 of the video, step S3, step S4, step S5 and step
S6 is identical with first embodiment, and details are not described herein；Its difference is that the step S2 is specifically included：
Step S201 obtains the image resolution ratio and picture display face of current playing video file in the display equipment
Product shows that the product of area obtains described image parameter according to described image resolution ratio and described image.Due to image resolution ratio
Directly proportional to real-time performance parameter with picture display face product, described image parameter is that described image resolution ratio and described image are aobvious
Show the product of area, can reflect that described image resolution ratio and described image show area numerically by described image parameter
Variation.Such as：Image resolution ratio is 1920*1080, and picture display face product is 88cm*50cm, then image parameter can be
1920*1080*88cm*50cm。
Referring to Fig. 4, the method flow of the playback method 203 for the video in the 3rd embodiment in the present invention
Figure.In the 3rd embodiment, step S1, step S3, step S4, step S5 and the step of the playback method 203 of the video
S6 is identical with first embodiment, and details are not described herein；Its difference is that the step S2 is specifically included：
Step S211 obtains the image resolution ratio and picture display face of current playing video file in the display equipment
Product shows that the product of area and preset constant obtains described image parameter according to described image resolution ratio, described image.It is described pre-
If constant is the gain constant that those skilled in the art are configured as needed, to adjust obtained numeric ratio, facilitates and compare.
In the present embodiment, described image resolution ratio, described image display area and real-time performance parameter are brought into following
Formula：
Wherein, image resolution ratio y, picture display face product are z, real-time performance ginseng
Number is x, and B/A is preset constant.
By the way that preset constant is arranged so that the numeric ratio of acquisition is distributed around in numerical value 1, that is to say, that can be arranged default
Threshold value is 1.F (x, y, z) is less than or equal to 1, continues that described image resolution ratio and described image is kept to show described in area broadcasting
Video file；When f (x, y, z) is more than 1, described image resolution ratio is reduced and/or reduces described image showing area, so as to adjust
The numeric ratio obtained after whole reduces.
Referring to Fig. 5, the method for the step S6 for the playback method of the video in the fourth embodiment in the present invention
Flow chart.In the fourth embodiment, step S1, step S2, step S3, step S4 and the step of the playback method of the video
S5 is identical with first embodiment, and details are not described herein；Its difference is that the step S6 is specifically included：
Step S61 reduces the image resolution ratio of the video file when the numeric ratio is more than the predetermined threshold value；
When the numeric ratio is more than the predetermined threshold value, illustrate that interim card, i.e. CPU or interior occurs in currently playing video file
The working performance deposited cannot meet current needs, by reducing the image resolution ratio of the video file, be occupied to reduce CPU
Rate or memory usage.
Step S62 obtains the real-time performance parameter after adjustment, and according to described image display area and after adjusting
Described image parameter after the adjustment that described image resolution ratio obtains, the ratio calculation with the real-time performance parameter after adjustment
Obtain the first numeric ratio；
Step S63, judges whether first numeric ratio is more than the predetermined threshold value；
Step S64, when first numeric ratio is less than or equal to the predetermined threshold value, the video file is with the figure
As showing that the image resolution ratio after area and the adjustment plays；
Step S65 reduces described image and shows area when first numeric ratio is more than the predetermined threshold value；
When first numeric ratio is more than the predetermined threshold value, illustrate that currently playing video file still interim card occurs,
I.e. by reducing the image resolution ratio of the video file, to reduce CPU usage or memory usage, the CPU after adjustment
Or the working performance of memory times cannot so meet current needs, to be accumulated by adjusting picture display face, further decrease CPU and account for
With rate or memory usage.
Step S66 obtains the presently described real-time performance parameter after adjustment, and according to the image resolution ratio after the adjustment
The described image parameter after the adjustment that area obtains is shown with the described image after adjustment, is joined with the real-time performance after adjustment
Several ratio calculations obtains second value ratio；
Step S67 judges the second value than whether being more than the predetermined threshold value；
Step S68, when the second value ratio is less than or equal to the predetermined threshold value, the video file is with the tune
Picture display face product after image resolution ratio and the adjustment after whole plays.
When due to video-see, certain clarity is turned down, user is also that can continue to watch the video.And adjust image
Display area may result in user and need to change the distance between display equipment, to see the video of broadcasting clearly.So this reality
It applies by first adjusting image resolution ratio in example, it is rear to adjust picture display face product so that broadcasting for video can be first ensured when being adjusted
Size is put, user is facilitated to watch.
Referring to Fig. 6, the method for the step S61 for the playback method of the video in the 5th embodiment in the present invention
Flow chart.In the 5th embodiment, the step S62 of the playback method of the video, step S63, step S64, step S65,
Step S66, step S67 and step S68 are identical with fourth embodiment, and details are not described herein；Its difference is, the step
S61 is specifically included：
Step S611, when the numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter and in advance
If the constant mapping table of performance parameter, first constant is obtained, according to presently described picture display face product and pre-set image display surface
Long-pending constant mapping table obtains second constant；
The constant mapping table of default capabilities parameter is the numerical tabular defaulted in display equipment, is labelled with different performance ginsengs
The corresponding constant of number；Pre-set image shows that the constant mapping table of area is the numerical tabular defaulted in display equipment, is labelled with not
Same picture display face accumulates corresponding constant.
Step S612, described image resolution ratio is multiplied by the first constant and the ratio of the second constant is worth to the tune
Image resolution ratio after whole, the image resolution ratio for reducing the video file are the image resolution ratio after the adjustment.
Performance parameter and picture display face product are converted into corresponding numerical value, the image after the adjustment point is calculated
Resolution avoids repeatedly adjusting.In fact, the resolution ratio that existing video is all made of certain format plays out, as being not provided with
It states first constant and second constant is adjusted, and successively decreased successively from presently described image resolution ratio using arithmetic logic, until f
(x, y, z) is less than or equal to 1, and obtained y values, which differ, surely meets existing common resolution format.Such as：Original image is differentiated
Rate is 4096 × 2160, and 2048*1790 is calculated and meets f (x, y, z) equal to 1, but in order to meet most of electronic equipments
It plays and needs, and inconvenience is played out using 2048*1790.The general format 2048* nearest with 2048*1790 can be used
1536 play out.Broadcasting can be facilitated using the first constant and second constant that are arranged in the present embodiment.
Referring to Fig. 7, the method for the step S65 for the playback method of the video in the sixth embodiment in the present invention
Flow chart.In the sixth embodiment, the step S61 of the playback method 206 of the video, step S62, step S63, step
S64, step S66, step S67 and step S68 are identical with the 5th embodiment, and details are not described herein；Its difference is, the step
Rapid S65 is specifically included：
Step S651, when first numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter
With the constant mapping table of the default capabilities parameter, obtain three constant, according to after presently described adjustment image resolution ratio and
The constant mapping table of pre-set image resolution ratio obtains the 4th constant；
Step S652, described image show that area is multiplied by the three constant and the ratio of the 4th constant is worth to the adjustment
Picture display face product afterwards, the picture display face product for reducing the video file are the picture display face product after the adjustment.
Likewise, performance parameter and image resolution ratio are converted to corresponding numerical value, after the adjustment is calculated
Picture display face accumulates, and avoids repeatedly adjusting.In fact, existing video be all made of certain format resolution ratio play out it is same
When, also played out using certain length-width ratio, to meet human vision custom, the three constant and the 4th normal as described in being not provided with
Number is adjusted, and arithmetic logic is used to successively decrease successively from presently described picture display face product, until f (x, y, z) is less than or waits
In 1, obtained z values, which differ, surely meets existing common display scale format.
In one embodiment, the image resolution ratio after the adjustment is greater than or equal to default minimum image resolution ratio, described
Picture display face product after adjustment is greater than or equal to default minimum image and shows area.This is preset minimum image resolution ratio and presets
Minimum image show area be those skilled in the art be configured according to need so that the image resolution ratio after the adjustment and
Picture display face product after the adjustment meets the Minimum requirements of viewing video file.
Referring to Fig. 8, the method flow of the playback method 204 for the video in the 7th embodiment in the present invention
Figure.In the 7th embodiment, step S1, step S2, step S3, step S4, the step S5 of the playback method 204 of the video
Identical with first embodiment with step S6, details are not described herein；Its difference is, after the step S6, further includes：
Step S7, the image resolution ratio after adjustment is equal to the default minimum image resolution ratio, after the adjustment
Picture display face product when being equal to the default minimum image and showing area, and second value ratio is more than the default threshold
Value stops playing the video file and pops up prompt message.
Referring once again to Fig. 1, the present invention also provides a kind of display equipment, including it is storage unit 10, processing unit 20, aobvious
Show unit 30 and is stored in the computer program that can be run in the storage unit 10 and on the processing unit 20, the place
The step of reason unit 20 realizes the playback method of video as the aforementioned when executing the computer program, specifically includes：
Step S1, obtains the real-time performance parameter of current display setup, the real-time performance parameter be CPU usage and/
Or memory usage；
Step S2 obtains the image resolution ratio and picture display face product of current playing video file in the display equipment,
And show that area obtains image parameter according to described image resolution ratio and described image；
Step S3 obtains numeric ratio according to the ratio calculation of described image parameter and the real-time performance parameter；
Step S4, judges whether the numeric ratio is more than predetermined threshold value；
Step S5, when the numeric ratio be less than or equal to the predetermined threshold value when, continue keep described image resolution ratio and
Described image shows that area plays the video file；
Step S6 is reduced when the numeric ratio is more than the predetermined threshold value described in described image resolution ratio and/or diminution
Picture display face accumulates, so that the numeric ratio obtained after adjustment reduces.
Since image resolution ratio and picture display face product are directly proportional to real-time performance parameter, according to image resolution ratio and figure
As the ratio of the image parameter and real-time performance parameter that show area acquisition, it can reflect whether the performance of current display setup meets
The needs of playing video file.It is weights and measures by the numeric ratio, is compared with predetermined threshold value, so as to further carry out
It is automatic to reduce described image resolution ratio and/or reduce the adjusting work that described image shows area；By reducing described image point
Resolution and/or diminution described image show area, to reduce real-time performance parameter, to solve display device plays video card
Pause, fall the technical issues of frame.
Optionally, the step S2 is specifically included：
Step S201 obtains the image resolution ratio and picture display face of current playing video file in the display equipment
Product shows that the product of area obtains described image parameter according to described image resolution ratio and described image.
Optionally, the step S2 is specifically included：
Step S211 obtains the image resolution ratio and picture display face of current playing video file in the display equipment
Product shows that the product of area and preset constant obtains described image parameter according to described image resolution ratio, described image.
Optionally, the step S6 is specifically included：
Step S61 reduces the image resolution ratio of the video file when the numeric ratio is more than the predetermined threshold value；
Step S62 obtains the real-time performance parameter after adjustment, and according to described image display area and after adjusting
Described image parameter after the adjustment that described image resolution ratio obtains, the ratio calculation with the real-time performance parameter after adjustment
Obtain the first numeric ratio；
Step S63, judges whether first numeric ratio is more than the predetermined threshold value；
Step S64, when first numeric ratio is less than or equal to the predetermined threshold value, the video file is with the figure
As showing that the image resolution ratio after area and the adjustment plays；
Step S65 reduces described image and shows area when first numeric ratio is more than the predetermined threshold value；
Step S66 obtains the presently described real-time performance parameter after adjustment, and according to the image resolution ratio after the adjustment
The described image parameter after the adjustment that area obtains is shown with the described image after adjustment, is joined with the real-time performance after adjustment
Several ratio calculations obtains second value ratio；
Step S67 judges the second value than whether being more than the predetermined threshold value；
Step S68, when the second value ratio is less than or equal to the predetermined threshold value, the video file is with the tune
Picture display face product after image resolution ratio and the adjustment after whole plays.
Optionally, the step S61 is specifically included：
Step S611, when the numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter and in advance
If the constant mapping table of performance parameter, first constant is obtained, according to presently described picture display face product and pre-set image display surface
Long-pending constant mapping table obtains second constant；
Step S612, described image resolution ratio is multiplied by the first constant and the ratio of the second constant is worth to the tune
Image resolution ratio after whole, the image resolution ratio for reducing the video file are the image resolution ratio after the adjustment.
Optionally, step S65 is specifically included：
Step S651, when first numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter
With the constant mapping table of the default capabilities parameter, obtain three constant, according to after presently described adjustment image resolution ratio and
The constant mapping table of pre-set image resolution ratio obtains the 4th constant；
Step S652, described image show that area is multiplied by the three constant and the ratio of the 4th constant is worth to the adjustment
Picture display face product afterwards, the picture display face product for reducing the video file are the picture display face product after the adjustment.
Optionally, the image resolution ratio after the adjustment is greater than or equal to default minimum image resolution ratio, after the adjustment
Picture display face product be greater than or equal to default minimum image and show area.
Optionally, after step S6, further include：
Step S7, the image resolution ratio after adjustment are equal to the default minimum image resolution ratio, and the tune
When picture display face product after whole is equal to the default minimum image display area, the second value ratio is more than the default threshold
Value stops playing the video file and pops up prompt message.
The present invention also provides a kind of computer readable storage mediums, which is characterized in that the computer readable storage medium
On be stored with computer program, the computer program realizes the playback method of video as the aforementioned when being executed by processing unit 20
The step of.
In the description of this specification, reference term " embodiment ", " another embodiment ", " other embodiment " or "
The description of one embodiment~X embodiment " etc. mean specific features described in conjunction with this embodiment or example, structure, material or
Person's feature is included at least one embodiment or example of the invention.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, specific features, structure, material, method and step or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a display equipment equipment (can be hand
Machine, computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The foregoing is merely the optional implementations of the present invention, are not intended to limit the scope of the invention, every in this hair
Under bright design, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in other indirectly
Relevant technical field is included in the scope of patent protection of the present invention.
Claims (10)
1. a kind of playback method of video, which is characterized in that include the following steps：
The real-time performance parameter of current display setup is obtained, the real-time performance parameter is CPU usage and/or EMS memory occupation
Rate；
The image resolution ratio and picture display face product of current playing video file in the display equipment are obtained, and according to the figure
As resolution ratio and described image show that area obtains image parameter；
Numeric ratio is obtained according to the ratio calculation of described image parameter and the real-time performance parameter；
Judge whether the numeric ratio is more than predetermined threshold value；
When the numeric ratio is less than or equal to the predetermined threshold value, continue that described image resolution ratio and described image is kept to show
Area plays the video file；
When the numeric ratio is more than the predetermined threshold value, reduces described image resolution ratio and/or reduce described image display surface
Product, so that the numeric ratio obtained after adjustment reduces.
2. the playback method of video as described in claim 1, which is characterized in that described obtain currently is broadcast in the display equipment
The image resolution ratio and picture display face product of video file are put, and shows that area obtains according to described image resolution ratio and described image
It the step of to image parameter, specifically includes：
The image resolution ratio and picture display face product for obtaining current playing video file in the display equipment, according to described image
Resolution ratio and described image show that the product of area obtains described image parameter.
3. the playback method of video as described in claim 1, which is characterized in that described obtain currently is broadcast in the display equipment
The image resolution ratio and picture display face product of video file are put, and shows that area obtains according to described image resolution ratio and described image
It the step of to image parameter, specifically includes：
The image resolution ratio and picture display face product for obtaining current playing video file in the display equipment, according to described image
Resolution ratio, described image show that the product of area and preset constant obtains described image parameter.
4. the playback method of video as described in claim 1, which is characterized in that described when the numeric ratio is more than described preset
When threshold value, described image resolution ratio is reduced and/or reduces described image showing area, so that the numeric ratio obtained after adjustment
The step of reduction, specifically includes：
When the numeric ratio is more than the predetermined threshold value, the image resolution ratio of the video file is reduced；
The real-time performance parameter after adjustment is obtained, and shows that the described image after area and adjustment is differentiated according to described image
Rate be adjusted after described image parameter, obtain the first numerical value with the ratio calculation of the real-time performance parameter after adjustment
Than；
Judge whether first numeric ratio is more than the predetermined threshold value；
When first numeric ratio be less than or equal to the predetermined threshold value when, the video file with described image show area and
Image resolution ratio after the adjustment plays；
When first numeric ratio is more than the predetermined threshold value, reduces described image and show area；
The presently described real-time performance parameter after adjustment is obtained, and according to the image resolution ratio after the adjustment and the institute after adjustment
The described image parameter after the adjustment that picture display face accumulates is stated, the ratio calculation with the real-time performance parameter after adjustment
Obtain second value ratio；
Judge the second value than whether being more than the predetermined threshold value；
When the second value ratio is less than or equal to the predetermined threshold value, the video file is with the image after the adjustment point
Picture display face product after resolution and the adjustment plays.
5. the playback method of video as claimed in claim 4, which is characterized in that described when the numeric ratio is more than described preset
When threshold value, the step of reducing the image resolution ratio of the video file, specifically include：
When the numeric ratio is more than the predetermined threshold value, according to the normal of presently described real-time performance parameter and default capabilities parameter
Number mapping table, obtains first constant, and the constant mapping table of area is shown according to presently described picture display face product and pre-set image,
Obtain second constant；
Described image resolution ratio is multiplied by the first constant and the ratio of the second constant is worth to the image after the adjustment point
Resolution, the image resolution ratio for reducing the video file are the image resolution ratio after the adjustment.
6. the playback method of video as claimed in claim 4, which is characterized in that according to being more than when first numeric ratio
When predetermined threshold value, the step of described image shows area is reduced, is specifically included：
When first numeric ratio is more than the predetermined threshold value, according to presently described real-time performance parameter and the default capabilities
The constant mapping table of parameter obtains three constant, according to the image resolution ratio and pre-set image resolution ratio after presently described adjustment
Constant mapping table, obtain the 4th constant；
Described image shows that area is multiplied by the image that the ratio of the three constant and the 4th constant is worth to after the adjustment and shows
Area, the picture display face product for reducing the video file are the picture display face product after the adjustment.
7. the playback method of the video as described in any one of claim 4 to 6, which is characterized in that the image after the adjustment
Resolution ratio is greater than or equal to default minimum image resolution ratio, and the picture display face product after the adjustment is greater than or equal to default minimum
Picture display face accumulates.
8. the playback method of video as claimed in claim 7, which is characterized in that described when the numeric ratio is more than described preset
When threshold value, described image resolution ratio is reduced and/or reduces described image showing area, so that the numeric ratio obtained after adjustment
After the step of reduction, further include：
The image resolution ratio after adjustment is equal to the default minimum image resolution ratio, the picture display face after the adjustment
When product is equal to the default minimum image display area, and second value ratio is more than the predetermined threshold value, stops playing
The video file simultaneously pops up prompt message.
9. a kind of display equipment, which is characterized in that the display equipment includes storage unit, processing unit, display unit and deposits
The computer program that can be run in the storage unit and on the processing unit is stored up, the processing unit executes the meter
The step of playback method such as video described in any item of the claim 1 to 8 is realized when calculation machine program.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the broadcasting such as video described in any item of the claim 1 to 8 when the computer program is executed by processing unit
The step of method.
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