CN109451312A - Facilitate the decoded method for processing video frequency of video, device, equipment and storage medium - Google Patents
Facilitate the decoded method for processing video frequency of video, device, equipment and storage medium Download PDFInfo
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- CN109451312A CN109451312A CN201811306755.9A CN201811306755A CN109451312A CN 109451312 A CN109451312 A CN 109451312A CN 201811306755 A CN201811306755 A CN 201811306755A CN 109451312 A CN109451312 A CN 109451312A
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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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
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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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
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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
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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Abstract
Facilitate the decoded method for processing video frequency of video, device, equipment and storage medium the invention discloses a kind of, the method for processing video frequency obtains the video of at least two low resolution comprising steps of split to a high-resolution original video according to preset rules；New video flowing is formed to the video of at least two low resolution, and is encoded；Transmission of video after coding is decoded to decoding end.The present invention is transferred in time-domain by the partial data in the spatial domain by video, reduces video resolution by increasing frame per second, so that realizing being capable of decoding high resolution video on the insufficient chip of hardware decoding capability.
Description
Technical field
The present invention relates to technical field of video processing, more particularly, to it is a kind of facilitate the decoded method for processing video frequency of video,
Device, equipment and storage medium.
Background technique
Fps: frame per second, the abbreviation of Frames Per Second refer to picture transmission frame number per second.Fps is measurement for protecting
Deposit, show the information content of dynamic video.Each second frame number the more, shown movement will be more smooth.In general, to avoid moving
Make it is slack it is minimum be 30.
7680x3840@30fps: the 8Kx4K video being commonly called as, x are pronounced multiplied by indicating there are 7680 in every frame video transverse direction
Pixel, there is 3840 pixels on longitudinal direction, and transmission frame number per second is 30.
With sound, the development of Video Applications, video resolution is quickly increasing.From VCD to the 720p's of 352x288
DVD, then high definition 1080p several years ago is arrived, the 4K video being gaining popularity up to now (4096x2048@30fps), and in void
The 8K video (7680x3840@30fps) needed in quasi- reality system.
The promotion of video resolution is increasing to the pressure of (hardware/software) Video Decoder, and especially hardware decodes
The iteration speed of chip is slower, it is easy to occur more than the video of hardware decoding capability.Such as mainstream mobile phone can on the market at present
To support to arrive 4K video hard decoder, but it cannot achieve the decoding of 8K video.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose, which is to provide, a kind of facilitates the decoded method for processing video frequency of video, device, equipment and storage medium.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provide it is a kind of facilitate the decoded method for processing video frequency of video, which includes
Step: a high-resolution original video is split according to preset rules, obtains the video of at least two low resolution；
New video flowing is formed to the video of at least two low resolution, and is encoded；To the transmission of video after coding to decoding end into
Row decoding.
Wherein, preset rules are as follows: parity rows split rule, parity column splits rule, bottom fields split rule or left
Right field splits at least one of rule.
The preset rules are that parity rows split rule, are decoded to the transmission of video after coding to decoding end in the step
Later, it further comprises the steps of: and the two adjacent frames of decoded video is formed into frame output display according to parity rows；This is adjacent
Two frames are two video frames for splitting rule according to parity rows and split formation；
Alternatively,
The preset rules are that parity column splits rule, are decoded to the transmission of video after coding to decoding end in the step
Later, it further comprises the steps of: and the two adjacent frames of decoded video is formed into frame output display according to parity column；This is adjacent
Two frames are two video frames for splitting rule according to parity column and split formation；
Alternatively,
The preset rules are that bottom fields split rule, are solved to the transmission of video after coding to decoding end in the step
After code, further comprises the steps of: and the two adjacent frames of decoded video are formed into frame output display according to bottom fields；The phase
Two adjacent frames are two video frames for splitting rule according to bottom fields and split formation；
Alternatively,
The preset rules are that left and right field splits rule, are solved to the transmission of video after coding to decoding end in the step
After code, further comprises the steps of: and the two adjacent frames of decoded video are formed into frame output display according to left and right field；The phase
Two adjacent frames are two video frames for splitting rule according to left and right field and split formation.
Wherein, a high-resolution original video is split according to preset rules, obtains at least two low resolutions
It further comprises the steps of: to the original video before the step of video of rate according to clockwise or counterclockwise rotation specific angle
Degree.
Wherein, which is 0 degree, 90 degree or 270 degree.
Wherein, the frame per second of the new video flowing is greater than the frame per second of the original video.
Second aspect, the present invention provide it is a kind of facilitate the decoded video process apparatus of video, which includes
Video splits module, video encoding module and Video decoding module, and video splits module and is used for a high-resolution video
It is split according to preset rules, obtains the video of at least two low resolution；Video encoding module be used for this at least two
The video of low resolution forms new video flowing, and encodes；Video decoding module is used for the transmission of video after coding to decoding
End is decoded.
Wherein, which further includes video rotary module, which is used for the original video
According to clockwise or counterclockwise rotation special angle before splitting.
The third aspect, the present invention provide it is a kind of facilitate the decoded video processing equipment of video, which includes:
At least one processor；And the memory being connect at least one processor communication；Wherein, be stored with can quilt for the memory
The instruction that at least one processor executes, which is executed by least one processor, so that at least one processor
It is able to carry out above-mentioned method for processing video frequency.
Fourth aspect, the present invention provide a kind of computer readable storage medium, which has
Computer executable instructions, the computer executable instructions are for making computer execute above-mentioned method for processing video frequency.
The beneficial effects of the present invention are:
The present invention overcome exist in the prior art existing hardware decoding chip can not decoding high resolution video skill
Art problem is transferred in time-domain by the partial data in the spatial domain by video, reduces video point by increasing frame per second
Resolution, while retaining the total amount of data of video, so that high-resolution can be decoded on the insufficient chip of hardware decoding capability by realizing
Rate video.
Original video is split in addition, the present invention splits rule by parity rows or parity column, after can guarantee fractionation
Consecutive frame chronotaxis, the efficiency of Video coding can be improved, thus improve video processing efficiency.
The present invention can be widely applied for technical field of video processing.
Detailed description of the invention
Fig. 1 is the flow diagram for the first preferred embodiment that the present invention facilitates the decoded method for processing video frequency of video；
Fig. 2 is the signal of the original video for the Application Example that the present invention facilitates the decoded method for processing video frequency of video
Figure；
Fig. 3 is the video of Fig. 2 according to the video schematic diagram after being rotated clockwise 90 degree；
Fig. 4 (a) is that the video of Fig. 3 splits the schematic diagram of first video after rule is split according to parity rows；
Fig. 4 (b) is that the video of Fig. 3 splits the schematic diagram of second video after rule is split according to parity rows；
Fig. 5 is the structural schematic diagram for the first preferred embodiment that the present invention facilitates the decoded video process apparatus of video.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Basic conception of the invention is to reduce video resolution by increasing video frame rate, and the part in spatial domain is believed
Breath is transformed into time-domain, to realize the decoding high resolution video on the Video Decoder of low resolution.Implement below
Example for 7680x3840 (8K), low resolution is 4096x4096 (4K) with high-resolution, use hardware decoder decoding capability for
For 4096x4096@60fp, the embodiment that the present invention will be described in detail.
Embodiment one:
Referring to Fig. 1, Fig. 1 is the process for the first preferred embodiment that the present invention facilitates the decoded method for processing video frequency of video
Schematic diagram.As shown in Figure 1, the method for processing video frequency comprising steps of
S11: a high-resolution video is split according to preset rules, obtains the view of at least two low resolution
Frequently.
In the present embodiment, which exceeds the decoding capability of hardware decoding chip.Such as: hardware decoder
Maximum tenability be 4K video hard decoder, and needing decoded high-resolution video is 8K video, it is assumed that the video is
7680x3840@30fps.In this step S11, the preset rules are as follows: parity rows split rule, and (such as odd even pixel column splits rule
Then), parity column splits rule, bottom fields split rule or left and right field splits at least one of rule.Step S11 it
Before further comprise the steps of: to the original video according to clockwise or counterclockwise rotation special angle, wherein the specific angle
Degree is 0 degree, 90 degree or 270 degree.
Specifically, referring to Fig. 2, width direction contains 7680 pixels as shown in Fig. 2, the video is 8Kx4K video
Point, short transverse contain 3840 pixels.
Referring to Fig. 3, Fig. 3 is the video of Fig. 2 according to the video schematic diagram after rotating clockwise 90 degree.Postrotational video
Contain 3840 pixels in its width direction, short transverse contains 7680 pixels.
Fig. 4 (a) and Fig. 4 (b) are please referred to, Fig. 4 (a) is that the video of Fig. 3 splits first after rule is split according to parity rows
The schematic diagram of a video；Fig. 4 (b) is that the video of Fig. 3 splits the schematic diagram of second video after rule is split according to parity rows.
There it can be seen that the video of Fig. 4 (a) and the video of Fig. 4 (b), width is equal to the 1/2 of the width of original video, height etc.
In the height of original video.That is, the video of original 8Kx4K is split as the video of two 4Kx4K.
As the schematically illustrate of fractionation rule, as shown in Fig. 2, Fig. 3, Fig. 4 (a) and Fig. 4 (b).
As shown in Fig. 2, the 8Kx4K video is indicated in width direction with 16 cells, 16 cells are respectively with mark
Number 0~9, A, B, C, D, E, F label.The 8Kx4K video indicates in short transverse with 8 cells, 8 cell labels
0~7 label.The odd column and even column of the 8Kx4K video are respectively adopted different patterns and indicate, odd column is using left 45 degree of angles
The pattern of parallel lines indicates that even column is indicated using the pattern of right 45 degree of angle parallel lines.
As shown in figure 3, the 8Kx4K video is rotated clockwise 90 degree.Postrotational video has 8 lists in width direction
First lattice, 8 cells are marked with label 0~7.Postrotational video has 16 cells, 16 lists in short transverse
First lattice label 0~9, A, B, C, D, E, F label.It is, every behavior original video of postrotational 8Kx4K video is every
Column, the pattern of the odd-numbered line of postrotational 8Kx4K video are the parallel lines at left 45 degree of angles, and the pattern of even number line is right 45 degree of angles
Parallel lines.
As shown in Fig. 4 (a) and Fig. 4 (b), the postrotational 8Kx4K video of Fig. 3 splits rule according to parity rows and is split as two
A 4Kx4K video, two 4Kx4K videos all have 8 cells, width direction and height in width direction and short transverse
The cell in direction is marked with label 0~7.The parallel lines at all left 45 degree of angles of the pattern of the video of Fig. 4 (a)；Fig. 4's (b)
The parallel lines at all right 45 degree of angles of the pattern of video.
In other embodiments, rule can be split using other.For example, to an original 8Kx4K video not into
Row rotation, and low resolution video of the rule fractionation as two 4Kx4K is split using parity column fractionation rule or left and right field, or
After rotating again, the low resolution video that rule is split as two 4Kx4K is split using bottom fields.For another example: original to one
8Kx8K video first carries out bottom fields fractionation, then carries out the low resolution view that parity column splits rule fractionation as four 4Kx4K
Frequently.It can also be using other customized fractionation rules.
S12: new video flowing is formed to the video of at least two low resolution, and is encoded.
In step s 12, the frame per second of new video flowing is greater than the frame per second of original video.With above-mentioned Fig. 2, Fig. 3, Fig. 4 (a)
And for video shown in Fig. 4 (b), new video flowing is 3840x3840@60fps, and the frame per second of the new video flowing is original view
2 times of frequency frame per second.
Then, which is encoded.The range that the method for specific coding is understood that in those skilled in the art
Within, it does not elaborate herein.
S13: the transmission of video after coding is decoded to decoding end.
In step s 13, since the resolution ratio of the video after coding substantially reduces, it is able to satisfy the decoding energy of hardware decoder
Power, therefore can be decoded.For example, 8K video 7680x3840@30fps above-mentioned, is converted by above-mentioned steps S11~S13
Later, the new video of generation is 3840x3840@60fps, so as to be successfully decoded on 4K video hard decoding chip.
In addition, the preset rules be parity rows split rule, the step to the transmission of video after coding to decoding end into
After row decoding, further comprises the steps of: and the two adjacent frames of decoded video are formed into frame output display according to parity rows；It should
Two adjacent frames are two video frames for splitting rule according to parity rows and split formation；
Alternatively, the preset rules be parity column split rule, the step to the transmission of video after coding to decoding end into
After row decoding, further comprises the steps of: and the two adjacent frames of decoded video are formed into frame output display according to parity column；It should
Two adjacent frames are two video frames for splitting rule according to parity column and split formation；
Alternatively, the preset rules are that bottom fields split rule, in the step to the transmission of video after coding to decoding end
After being decoded, further comprise the steps of: the two adjacent frames of decoded video are aobvious according to bottom fields composition one frame output
Show；The two adjacent frames are two video frames for splitting rule according to bottom fields and split formation；
Alternatively, the preset rules are that left and right field splits rule, in the step to the transmission of video after coding to decoding end
After being decoded, further comprise the steps of: the two adjacent frames of decoded video are aobvious according to the composition one frame output of left and right field
Show；The two adjacent frames are two video frames for splitting rule according to left and right field and split formation.
Parity rows shown in above-mentioned Fig. 2, Fig. 3, Fig. 4 (a) and Fig. 4 (b) split mode and pass through rendering after the decoding
Two adjacent frames are formed frame output display according to parity rows by module.Rule is split using parity rows, compared to bottom fields
Rule is split, the chronotaxis of consecutive frame after splitting is can guarantee, the efficiency of Video coding can be improved, to improve video processing
Efficiency.It is to be appreciated that splitting rule using parity column, rule is split compared to left and right field, it may have same effect.
In the present embodiment, high-resolution original video by being split into the video of low resolution by the method for processing video frequency, then
The video of low resolution is formed into new video flowing and coding, is finally decoded the transmission of video after coding to decoding end.
This method for processing video frequency reduces video resolution by increasing frame per second, and the partial data in spatial domain is transferred to time-domain
On, so that realizing being capable of decoding high resolution video on the insufficient chip of hardware decoding capability.
Embodiment two:
Referring to Fig. 5, Fig. 5 is the structure for the first preferred embodiment that the present invention facilitates the decoded video process apparatus of video
Schematic diagram.The video process apparatus includes that video splits module 51, video encoding module 52 and Video decoding module 53.Video
Module 51 is split for splitting to a high-resolution video according to preset rules, obtains at least two low resolution
Video；Video encoding module 52 is encoded for forming new video flowing to the video of at least two low resolution；Video solution
Code module 53 is for being decoded the transmission of video after coding to decoding end.
Wherein, when video fractionation module 52 splits original video according to preset rules, the preset rules are as follows: odd even
Row splits rule, parity column splits rule or bottom fields split at least one of rule.It can also be customized using other
Split rule.
Wherein, which further includes rendering module (not shown), the effect of the rendering module are as follows: when this is default
When rule is that parity rows split rule, after the decoding, by the rendering module by two adjacent frames according to parity rows composition one
Frame (mode that interleaving treatment such as can be used forms a frame) output display；When the preset rules are that parity column splits rule,
After decoding, two adjacent frames are formed according to parity column by frame output display by the rendering module；When the preset rules are
When bottom fields split rule, after the decoding, two adjacent frames are formed according to bottom fields by a frame by the rendering module
Output display；When the preset rules are that left and right field splits rule, after the decoding, by the rendering module by adjacent two
Frame forms frame output display according to left and right field.
Wherein, which further includes video rotary module (not shown), and video rotary module is used for the original
Beginning video split before according to clockwise or counterclockwise rotation special angle, the special angle of rotation be 0 degree, 90 degree or
270 degree.
Wherein, the frame per second for the new video flowing that video encoding module 53 forms is greater than the frame per second of the original video.
The video process apparatus of the present embodiment when in use, splits module 51 by video and splits high-resolution video
The video of at least two low resolution is formed newly at the video of at least two low resolution, then by video encoding module 52
Video flowing and coding, the transmission of video after coding is decoded to decoding end eventually by Video decoding module 53.This view
Frequency processing device is transferred in time-domain by the partial data in the spatial domain by video, reduces video by increasing frame per second
Resolution ratio, so that realizing being capable of decoding high resolution video on the insufficient chip of hardware decoding capability.
Embodiment three:
Facilitate the decoded video processing equipment of video the invention also discloses a kind of, comprising: at least one processor；With
And the memory being connect at least one processor communication；Wherein, memory is stored with and can be executed by least one processor
Instruction, instruction is executed by least one processor, so that at least one processor is able to carry out the video processing side of embodiment one
Method.
Example IV:
The invention also discloses a kind of computer readable storage medium, computer-readable recording medium storage has computer can
It executes instruction, the method for processing video frequency that computer executable instructions are used to that computer to be made to execute embodiment one.
In conclusion the present invention is transferred in time-domain by the partial data in the spatial domain by video, do not reducing
Under the premise of total amount of data, video resolution is reduced by increasing frame per second, to realize in the insufficient core of hardware decoding capability
On piece being capable of decoding high resolution video.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of facilitate the decoded method for processing video frequency of video, which is characterized in that comprising steps of
One high-resolution original video is split according to preset rules, obtains the video of at least two low resolution；
New video flowing is formed to the video of at least two low resolution, and is encoded；
Transmission of video after coding is decoded to decoding end.
2. method for processing video frequency according to claim 1, which is characterized in that the preset rules are as follows: parity rows split rule
Then, parity column splits rule, bottom fields split rule or left and right field splits at least one of rule.
3. method for processing video frequency according to claim 2, which is characterized in that
The preset rules are that parity rows split rule, are decoded to the transmission of video after coding to decoding end in the step
Later, it further comprises the steps of: and the two adjacent frames of decoded video is formed into frame output display according to parity rows；It is described adjacent
Two frames be according to parity rows split rule carry out split formation two video frames；
Alternatively,
The preset rules are that parity column splits rule, are decoded to the transmission of video after coding to decoding end in the step
Later, it further comprises the steps of: and the two adjacent frames of decoded video is formed into frame output display according to parity column；It is described adjacent
Two frames be according to parity column split rule carry out split formation two video frames；
Alternatively,
The preset rules are that bottom fields split rule, are solved to the transmission of video after coding to decoding end in the step
After code, further comprises the steps of: and the two adjacent frames of decoded video are formed into frame output display according to bottom fields；It is described
Two adjacent frames are two video frames for splitting rule according to bottom fields and split formation；
Alternatively,
The preset rules are that left and right field splits rule, are solved to the transmission of video after coding to decoding end in the step
After code, further comprises the steps of: and the two adjacent frames of decoded video are formed into frame output display according to left and right field；It is described
Two adjacent frames are two video frames for splitting rule according to left and right field and split formation.
4. method for processing video frequency according to claim 1, which is characterized in that a high-resolution original video according to
It is further comprised the steps of: before the step of preset rules are split, and the video of at least two low resolution is obtained
To the original video according to clockwise or counterclockwise rotation special angle.
5. method for processing video frequency according to claim 4, which is characterized in that the special angle is 0 degree, 90 degree or 270
Degree.
6. according to claim 1 to method for processing video frequency described in 5 any one, which is characterized in that the new video flowing
Frame per second is greater than the frame per second of the original video.
7. a kind of facilitate the decoded video process apparatus of video characterized by comprising
Video splits module and it is low to obtain at least two for splitting to a high-resolution video according to preset rules
The video of resolution ratio；
Video encoding module forms new video flowing for the video at least two low resolution, and encodes；
Video decoding module, for being decoded to the transmission of video after coding to decoding end.
8. video process apparatus according to claim 7, which is characterized in that the video process apparatus further includes video rotation
Revolving die block, the video rotary module are used to split the original video preceding according to clockwise or counterclockwise rotation
Special angle.
9. a kind of facilitate the decoded video processing equipment of video characterized by comprising
At least one processor；And
The memory being connect at least one described processor communication；Wherein,
The memory is stored with the instruction that can be executed by least one described processor, and described instruction is by described at least one
It manages device to execute, so that at least one described processor is able to carry out such as method as claimed in any one of claims 1 to 6.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer can
It executes instruction, the computer executable instructions are for making computer execute such as method as claimed in any one of claims 1 to 6.
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