CN106375772B - Video broadcasting method and device - Google Patents
Video broadcasting method and device Download PDFInfo
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- CN106375772B CN106375772B CN201610754093.6A CN201610754093A CN106375772B CN 106375772 B CN106375772 B CN 106375772B CN 201610754093 A CN201610754093 A CN 201610754093A CN 106375772 B CN106375772 B CN 106375772B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
Abstract
Present disclose provides a kind of video broadcasting method and devices, belong to video technique field.The described method includes: carrying out detecting the video pictures difference between adjacent two frame to be played in video display process with current frame rate；When the video pictures difference is greater than default discrepancy threshold, determine that target frame rate, the target frame rate are greater than the current frame rate；According to the target frame rate, the midway film of adjacent two frame is generated；The midway film is inserted between adjacent two frame and is played out.The disclosure is by detecting the video pictures difference between adjacent two frame, so that it is determined that may cause the video frame of shake, fluency difference, so as to can be dynamically according to the actual conditions of video frame in playing process, generate midway film, midway film is inserted between adjacent two frame and is played out, used frame per second is played to achieve the purpose that improve, float is avoided, improves the fluency of video pictures.
Description
Technical field
This disclosure relates to video technique field more particularly to a kind of video broadcasting method and device.
Background technique
With the development of video technique, video used frame per second when playing is higher and higher, for example, coming for human eye
It says, if the frame per second of video is higher than 24 frames/second, the visual effect of video pictures can be than smoother effect.But for
Some fast-changing video pictures, such as high building, when football match, if still played out with the frame per second of or so 24 frames/second,
It can feel the obvious shake of video pictures, fluency is poor.For such issues that, the relevant technologies can take higher frame per second into
Row video playing, such as 60 frames/second or 120 frames/second, to improve the fluency of video playing.
Summary of the invention
To overcome the problems in correlation technique, the disclosure provides a kind of video broadcasting method and device.
According to the first aspect of the embodiments of the present disclosure, a kind of video broadcasting method is provided, comprising:
It is carried out in video display process with current frame rate, the video pictures detected between adjacent two frame to be played are poor
It is different；When the video pictures difference is greater than default discrepancy threshold, determine that target frame rate, the target frame rate are greater than described current
Frame per second；According to the target frame rate, the midway film of adjacent two frame is generated；The midway film is inserted into described adjacent two
It is played out between frame.
In a kind of possible implementation, the video pictures difference detected between adjacent two frame to be played includes:
Obtain the difference of corresponding pixel points in adjacent two frame；
By in adjacent two frame difference of all corresponding pixel points and value, be retrieved as the video pictures difference.
In a kind of possible implementation, the video pictures difference detected between adjacent two frame to be played includes:
Fourier transformation is carried out to adjacent two frame respectively, obtains the frequency spectrum of adjacent two frame；
The frequency spectrum of adjacent two frame is compared, the frequency spectrum difference of adjacent two frame is obtained；
By the frequency spectrum difference of adjacent two frame, it is retrieved as the video pictures difference.
In a kind of possible implementation, when the video pictures difference is greater than default discrepancy threshold, target frame is determined
Rate includes:
When the video pictures difference is greater than default discrepancy threshold, target disparity range, the target difference model are obtained
It encloses for disparity range at the video pictures difference, different disparity ranges correspond to different frame rates；By the goal discrepancy
The corresponding frame per second of different range, is determined as the target frame rate.
In a kind of possible implementation, according to the target frame rate, the midway film for generating adjacent two frame includes:
It obtains current frame rate and switches to midway film number required for the target frame rate；According to the midway film number and described
Adjacent two frame generates the midway film of adjacent two frame.
In a kind of possible implementation, according to the midway film number and adjacent two frame, generate described adjacent
The midway film of two frames includes: the motion profile for obtaining mobile object between adjacent two frame；According to the midway film number
Mesh obtains the midway film of adjacent two frame in the enterprising row interpolation of the motion profile.
According to the second aspect of an embodiment of the present disclosure, a kind of video play device is provided, described device includes:
Detection module, for detect between adjacent two frame to be played in video display process with current frame rate
Video pictures difference；
Determining module, for determining target frame rate, the mesh when the video pictures difference is greater than default discrepancy threshold
It marks frame per second and is greater than the current frame rate；
Generation module, for generating the midway film of adjacent two frame according to the target frame rate；
Playing module is played out for the midway film to be inserted between adjacent two frame.
In a kind of possible implementation, the detection module is used to obtain the difference of corresponding pixel points in adjacent two frame
Value；By in adjacent two frame difference of all corresponding pixel points and value, be retrieved as the video pictures difference.
In a kind of possible implementation, the detection module for carrying out Fourier's change to adjacent two frame respectively
It changes, obtains the frequency spectrum of adjacent two frame；The frequency spectrum of adjacent two frame is compared, the frequency spectrum of adjacent two frame is obtained
Difference；By the frequency spectrum difference of adjacent two frame, it is retrieved as the video pictures difference.
In a kind of possible implementation, the determining module is used to be greater than default difference threshold when the video pictures difference
When value, target disparity range is obtained, the target disparity range is disparity range at the video pictures difference, different
Disparity range corresponds to different frame rates；By the corresponding frame per second of the target disparity range, it is determined as the target frame rate.
In a kind of possible implementation, the generation module switches to the target frame rate institute for obtaining current frame rate
The midway film number needed；According to the midway film number and adjacent two frame, the centre of adjacent two frame is generated
Picture.
In a kind of possible implementation, the generation module is used to obtain the fortune of mobile object between adjacent two frame
Dynamic rail mark；It obtains the intermediate of adjacent two frame in the enterprising row interpolation of the motion profile according to the midway film number and draws
Face.
According to the third aspect of an embodiment of the present disclosure, a kind of video play device is provided, comprising:
Processor；
Memory for the instruction that storage processor can be performed；
Wherein, the processor is configured to:
It is carried out in video display process with current frame rate, the video pictures detected between adjacent two frame to be played are poor
It is different；
When the video pictures difference is greater than default discrepancy threshold, determine that target frame rate, the target frame rate are greater than institute
State current frame rate；
According to the target frame rate, the midway film of adjacent two frame is generated；
The midway film is inserted between adjacent two frame and is played out.
The technical scheme provided by this disclosed embodiment can include the following benefits: by detecting between adjacent two frame
Video pictures difference, so that it is determined that may cause the video frame of shake, fluency difference, so as to being capable of dynamic in playing process
The actual conditions according to video frame, generate midway film, midway film is inserted between adjacent two frame and is played out, from
And achieve the purpose that improve and play used frame per second, float is avoided, the fluency of video pictures is improved.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 3 is a kind of video play device block diagram shown according to an exemplary embodiment.
Fig. 4 is a kind of block diagram of video play device 400 shown according to an exemplary embodiment.
Specific embodiment
To keep the purposes, technical schemes and advantages of the disclosure clearer, below in conjunction with attached drawing to disclosure embodiment party
Formula is described in further detail.
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment, as shown in Figure 1, the party
Method is for including the following steps in terminal.
In a step 101, detect between adjacent two frame to be played in video display process with current frame rate
Video pictures difference.
In a step 102, when the video pictures difference is greater than default discrepancy threshold, target frame rate is determined, the target frame
Rate is greater than the current frame rate.
In step 103, according to the target frame rate, the midway film of adjacent two frame is generated.
At step 104, which is inserted between adjacent two frame and is played out.
The method that the embodiment of the present disclosure provides, can be by detecting the video pictures difference between adjacent two frame, thus really
Surely it may cause the video frame of shake, fluency difference, so as to can be dynamically according to the practical feelings of video frame in playing process
Condition generates midway film, midway film is inserted between adjacent two frame and is played out, and is used to reach raising and play
The purpose of frame per second, avoids float, improves the fluency of video pictures.
Fig. 2 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment, as shown in Fig. 2, the party
Method is for including the following steps in terminal.
In step 201, detect between adjacent two frame to be played in video display process with current frame rate
Video pictures difference.
For video playing, terminal when being decoded to video, video frame that can be adjacent to every two frame into
The above-mentioned detection of row can also carry out above-mentioned detection every the video frame of preset number, and the embodiment of the present disclosure does not limit this specifically
It is fixed.Wherein, which can be arranged according to terminal capability, and the disclosure is not especially limited this.
In addition, it is necessary to explanation, above-mentioned detection can be several number frames in advance and carry out, thus to be subsequently generated centre
The process of picture provides the time difference, guarantees the generation that midway film can be completed before several number frames, thus will not shadow
Ring the normal play of video.
The implementation of video pictures difference between above-mentioned detection adjacent two frame to be played can be following any
Kind:
The first implementation: the difference of corresponding pixel points in adjacent two frame is obtained；It will be all right in adjacent two frame
Answer the difference of pixel and value, it is retrieved as the video pictures difference.
For each of video frame pixel, if the content of video frame changes, between pixel
May difference, for example, between its color value (such as rgb value) can difference, then can pass through the adjacent video frames
Difference between middle all pixels point determines the difference between adjacent video frames.Wherein, in adjacent two frame corresponding pixel points difference
Value can be the difference of the color value of respective pixel point.
For example, each video frame includes 1028*720 pixel for adjacent video frames Framel and Frame2,
Color value then is carried out to each pair of respective pixel point in two frame to subtract each other, and obtains the difference of each pair of respective pixel point, then to all
Difference summation, obtain difference and value, and difference is retrieved as video pictures difference with value.
Second of implementation: Fourier transformation is carried out to adjacent two frame respectively, obtains the frequency spectrum of adjacent two frame；It will
The frequency spectrum of adjacent two frame is compared, and obtains the frequency spectrum difference of adjacent two frame；By the frequency spectrum difference of adjacent two frame, obtain
For the video pictures difference.
For video frame, the frequency spectrum of video frame can be used to indicate that the energy value of each frequency in video frame, and such as
The content of fruit video frame changes, and the energy value of frequency may change, then can be by the adjacent video frames
Difference between the energy value of respective frequencies determines the difference between adjacent video frames.
In step 202, when the video pictures difference is greater than default discrepancy threshold, target disparity range, the mesh are obtained
Marking disparity range is disparity range at the video pictures difference, and different disparity ranges correspond to different frame rates.
Whether can occur obviously to shake between video frame to measure, can determine whether can send out for defining according to experiment
The default discrepancy threshold of raw shake illustrates between adjacent video frames if video pictures difference is greater than default discrepancy threshold
Difference is excessive, it may occur that float, it is thus necessary to determine that how many midway film generated, on earth to avoid playing process
In float.
It should be noted that since video pictures difference is also divided into size, in order to save processing money as far as possible
Video pictures difference can be divided into multiple grades, that is to say multiple disparity ranges by source, and not each disparity range determines different
Frame per second, for example, disparity range numerical value is higher, corresponding frame per second is higher.After getting video pictures difference, the video pictures are determined
Target disparity range locating for difference, and it is based on the target disparity range, determine corresponding frame per second.
In step 203, by the corresponding frame per second of target disparity range, it is determined as the target frame rate, wherein the target frame
Rate is greater than the current frame rate.
Above-mentioned steps 202 to step 203 is to determine target frame rate when the video pictures difference is greater than default discrepancy threshold
Process.In this process, it is only illustrated for it can determine different frame rates according to different disparity ranges, and in fact,
Disparity range can also not be known, and for all video pictures differences, determine unique target frame rate, it is ensured that picture
The uniformity of effect avoids the picture display effects of different periods difference.
In above-mentioned steps, if the corresponding frame per second of target disparity range is not more than current frame rate, the goal discrepancy is selected
The corresponding frame per second of upper level disparity range of different range, so that target frame rate determined by final is greater than current frame rate, to avoid
Float in playing process.
In step 204, according to the target frame rate, the midway film of adjacent two frame is generated.
In above-mentioned steps, according to the target frame rate, the midway film for generating adjacent two frame may include following step
2041 and 2042:
Step 2041, acquisition current frame rate switch to midway film number required for the target frame rate.
In order to determine midway film number, the values of disparity between current frame rate and target frame rate can be calculated.For example, mesh
Mark frame per second is 120 frames/second, and current frame rate is 60 frames/second, then can determine that midway film number is 1 or 2.
Step 2042, according to the midway film number two frames adjacent with this, generate the midway film of adjacent two frame.
In order to enable the midway film generated can guarantee the smooth transition between former frame and a later frame, it can be according to view
The actual motion track of mobile object in frequency frame carries out picture generating process.The process can specifically include: it is adjacent to obtain this
The motion profile of mobile object between two frames；The phase is obtained in the enterprising row interpolation of the motion profile according to the midway film number
The midway film of adjacent two frames.
The acquisition of the motion profile can be obtained by motion estimation algorithm, after motion profile has been determined, can be passed through
Interpolation algorithm obtains the value of each pixel of midway film, to obtain midway film.
The acquisition methods of above-mentioned midway film, the available midway film that can most simulate real motion scene, to make
The case where obtaining can be realized smooth transition between frame and frame, the final fluency for guaranteeing to play, and avoid float generation.
In step 205, which is inserted between adjacent two frame and is played out.
In playing process, if midway film is a frame, midway film can be inserted directly between adjacent two frame
It plays out, and if midway film is two frames or two frames or more, it can be according to the time sequencing of midway film, by two frame
Or two midway films more than frame is inserted between adjacent pairs of two frame and plays out.
The method that the embodiment of the present disclosure provides, can be by detecting the video pictures difference between adjacent two frame, thus really
Surely it may cause the video frame of shake, fluency difference, so as to can be dynamically according to the practical feelings of video frame in playing process
Condition generates midway film, midway film is inserted between adjacent two frame and is played out, and is used to reach raising and play
The purpose of frame per second, avoids float, improves the fluency of video pictures.
Fig. 3 is a kind of video play device block diagram shown according to an exemplary embodiment.Referring to Fig. 3, which includes
Detection module 301, determining module 302, generation module 303 and playing module 304.
Detection module 301, for current frame rate carry out video display process in, detect adjacent two frame to be played it
Between video pictures difference；
Determining module 302, for determining target frame rate, institute when the video pictures difference is greater than default discrepancy threshold
Target frame rate is stated greater than the current frame rate；
Generation module 303, for generating the midway film of adjacent two frame according to the target frame rate；
Playing module 304 is played out for the midway film to be inserted between adjacent two frame.
In a kind of possible implementation, the detection module 301 is for obtaining corresponding pixel points in adjacent two frame
Difference；By in adjacent two frame difference of all corresponding pixel points and value, be retrieved as the video pictures difference.
In a kind of possible implementation, the detection module 301 for carrying out Fourier to adjacent two frame respectively
Transformation, obtains the frequency spectrum of adjacent two frame；The frequency spectrum of adjacent two frame is compared, the frequency of adjacent two frame is obtained
Spectral difference is different；By the frequency spectrum difference of adjacent two frame, it is retrieved as the video pictures difference.
In a kind of possible implementation, the determining module 302 is used for poor greater than default when the video pictures difference
When different threshold value, target disparity range is obtained, the target disparity range is disparity range at the video pictures difference,
Different disparity ranges correspond to different frame rates；By the corresponding frame per second of the target disparity range, it is determined as the target frame rate.
In a kind of possible implementation, the generation module 303 switches to the target frame for obtaining current frame rate
Midway film number required for rate；According to the midway film number and adjacent two frame, adjacent two frame is generated
Midway film.
In a kind of possible implementation, the generation module 303 is for obtaining mobile object between adjacent two frame
Motion profile；It is obtained in adjacent two frame according to the midway film number in the enterprising row interpolation of the motion profile
Between picture.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Fig. 4 is a kind of block diagram of video play device 400 shown according to an exemplary embodiment.For example, device 400 can
To be mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, Medical Devices are good for
Body equipment, personal digital assistant etc..
Referring to Fig. 4, device 400 may include following one or more components: processing component 402, memory 404, power supply
Component 406, multimedia component 408, audio component 410, the interface 412 of input/output (I/O), sensor module 414, and
Communication component 416.
The integrated operation of the usual control device 400 of processing component 402, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 402 may include that one or more processors 420 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 402 may include one or more modules, just
Interaction between processing component 402 and other assemblies.For example, processing component 402 may include multi-media module, it is more to facilitate
Interaction between media component 408 and processing component 402.
Memory 404 is configured as storing various types of data to support the operation in device 400.These data are shown
Example includes the instruction of any application or method for operating on device 400, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 404 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 406 provides electric power for the various assemblies of device 400.Power supply module 406 may include power management system
System, one or more power supplys and other with for device 400 generate, manage, and distribute the associated component of electric power.
Multimedia component 408 includes the screen of one output interface of offer between described device 400 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 408 includes a front camera and/or rear camera.When device 400 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 410 is configured as output and/or input audio signal.For example, audio component 410 includes a Mike
Wind (MIC), when device 400 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 404 or via communication set
Part 416 is sent.In some embodiments, audio component 410 further includes a loudspeaker, is used for output audio signal.
I/O interface 412 provides interface between processing component 402 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 414 includes one or more sensors, and the state for providing various aspects for device 400 is commented
Estimate.For example, sensor module 414 can detecte the state that opens/closes of equipment 400, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 400, and sensor module 414 can be with 400 1 components of detection device 400 or device
Position change, the existence or non-existence that user contacts with device 400,400 orientation of device or acceleration/deceleration and device 400
Temperature change.Sensor module 414 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 414 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 416 is configured to facilitate the communication of wired or wireless way between device 400 and other equipment.Device
400 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 416 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 416 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 400 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 404 of instruction, above-metioned instruction can be executed by the processor 420 of device 400 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (12)
1. a kind of video broadcasting method, which is characterized in that the described method includes:
It is carrying out detecting the video pictures difference between adjacent two frame to be played in video display process with current frame rate；
When the video pictures difference is greater than default discrepancy threshold, target disparity range is obtained, the target disparity range is
Disparity range at the video pictures difference, different disparity ranges correspond to different frame rates, by the target difference model
Corresponding frame per second is enclosed, target frame rate is determined as, if the corresponding frame per second of the target disparity range is not more than current frame rate, is selected
The corresponding frame per second of upper level disparity range of the target disparity range is selected as target frame rate, the target frame rate is greater than described
Current frame rate；
According to the target frame rate, the midway film of adjacent two frame is generated；
The midway film is inserted into the phase according to the time sequencing of the midway film according to the frame number of the midway film
It is played out between adjacent two frames.
2. the method according to claim 1, wherein the video pictures detected between adjacent two frame to be played are poor
It is different to include:
Obtain the difference of corresponding pixel points in adjacent two frame；
By in adjacent two frame difference of all corresponding pixel points and value, be retrieved as the video pictures difference.
3. the method according to claim 1, wherein the video pictures detected between adjacent two frame to be played are poor
It is different to include:
Fourier transformation is carried out to adjacent two frame respectively, obtains the frequency spectrum of adjacent two frame；
The frequency spectrum of adjacent two frame is compared, the frequency spectrum difference of adjacent two frame is obtained；
By the frequency spectrum difference of adjacent two frame, it is retrieved as the video pictures difference.
4. the method according to claim 1, wherein generating adjacent two frame according to the target frame rate
Midway film includes:
It obtains current frame rate and switches to midway film number required for the target frame rate；
According to the midway film number and adjacent two frame, the midway film of adjacent two frame is generated.
5. according to the method described in claim 4, it is characterized in that, according to the midway film number and adjacent two frame,
The midway film for generating adjacent two frame includes:
Obtain the motion profile of mobile object between adjacent two frame；
The midway film of adjacent two frame is obtained in the enterprising row interpolation of the motion profile according to the midway film number.
6. a kind of video play device, which is characterized in that described device includes:
Detection module, for carrying out detecting the view between adjacent two frame to be played in video display process with current frame rate
Frequency picture difference；
Determining module, for obtaining target disparity range, the mesh when the video pictures difference is greater than default discrepancy threshold
Marking disparity range is disparity range at the video pictures difference, and different disparity ranges correspond to different frame rates, by institute
The corresponding frame per second of target disparity range is stated, target frame rate is determined as, if the corresponding frame per second of the target disparity range is not more than
Current frame rate then selects the corresponding frame per second of upper level disparity range of the target disparity range as target frame rate, the mesh
It marks frame per second and is greater than the current frame rate；
Generation module, for generating the midway film of adjacent two frame according to the target frame rate；
Playing module, it is for the frame number according to the midway film that the midway film is suitable according to the time of the midway film
Sequence is inserted between adjacent two frame and is played out.
7. device according to claim 6, which is characterized in that the detection module is right in adjacent two frame for obtaining
Answer the difference of pixel；By in adjacent two frame difference of all corresponding pixel points and value, be retrieved as the video pictures
Difference.
8. device according to claim 6, which is characterized in that the detection module be used for adjacent two frame respectively into
Row Fourier transformation obtains the frequency spectrum of adjacent two frame；The frequency spectrum of adjacent two frame is compared, is obtained described adjacent
The frequency spectrum difference of two frames；By the frequency spectrum difference of adjacent two frame, it is retrieved as the video pictures difference.
9. device according to claim 6, which is characterized in that the generation module switches to institute for obtaining current frame rate
State midway film number required for target frame rate；According to the midway film number and adjacent two frame, the phase is generated
The midway film of adjacent two frames.
10. device according to claim 9, which is characterized in that the generation module for obtain adjacent two frame it
Between mobile object motion profile；The phase is obtained in the enterprising row interpolation of the motion profile according to the midway film number
The midway film of adjacent two frames.
11. a kind of video play device characterized by comprising
Processor；
Memory for the instruction that storage processor can be performed；
Wherein, the processor is configured to:
It is carrying out detecting the video pictures difference between adjacent two frame to be played in video display process with current frame rate；
When the video pictures difference is greater than default discrepancy threshold, target disparity range is obtained, the target disparity range is
Disparity range at the video pictures difference, different disparity ranges correspond to different frame rates, by the target difference model
Corresponding frame per second is enclosed, target frame rate is determined as, if the corresponding frame per second of the target disparity range is not more than current frame rate, is selected
The corresponding frame per second of upper level disparity range of the target disparity range is selected as target frame rate, the target frame rate is greater than described
Current frame rate；
According to the target frame rate, the midway film of adjacent two frame is generated；
The midway film is inserted into the phase according to the time sequencing of the midway film according to the frame number of the midway film
It is played out between adjacent two frames.
12. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage at least one refers to
It enables, claim 1-5 any video broadcasting method is realized when described instruction is executed by processor.
Priority Applications (1)
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| CN106657680A (en) * | 2017-03-10 | 2017-05-10 | 广东欧珀移动通信有限公司 | Mobile terminal frame rate control method and device and mobile terminal |
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| CN110198412B (en) * | 2019-05-31 | 2020-09-18 | 维沃移动通信有限公司 | Video recording method and electronic equipment |
| CN112055254B (en) * | 2019-06-06 | 2023-01-06 | Oppo广东移动通信有限公司 | Video playing method, device, terminal and storage medium |
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| CN112788337A (en) * | 2020-12-28 | 2021-05-11 | 深圳创维－Rgb电子有限公司 | Video automatic motion compensation method, device, equipment and storage medium |
| CN114697517A (en) * | 2020-12-28 | 2022-07-01 | 北京小米移动软件有限公司 | Video processing method and device, terminal equipment and storage medium |
| CN112866612B (en) * | 2021-03-10 | 2023-02-21 | 北京小米移动软件有限公司 | Frame insertion method, device, terminal and computer readable storage medium |
| CN114079824B (en) * | 2021-11-02 | 2024-03-08 | 深圳市洲明科技股份有限公司 | Transmission card, control method thereof, display device, computer device, and storage medium |
| CN115209221A (en) * | 2022-06-14 | 2022-10-18 | 北京博雅睿视科技有限公司 | Video frame rate detection method and device, electronic equipment and medium |
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