CN109429064A - A kind of method and apparatus handling video data - Google Patents

A kind of method and apparatus handling video data Download PDF

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Publication number
CN109429064A
CN109429064A CN201710725341.9A CN201710725341A CN109429064A CN 109429064 A CN109429064 A CN 109429064A CN 201710725341 A CN201710725341 A CN 201710725341A CN 109429064 A CN109429064 A CN 109429064A
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current coded
information
sub
unit
motion information
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CN109429064B (en
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陈焕浜
杨海涛
高山
刘杉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201710725341.9A priority Critical patent/CN109429064B/en
Priority to PCT/CN2018/092494 priority patent/WO2019037533A1/en
Priority to TW107129127A priority patent/TWI694713B/en
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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
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

The embodiment of the present invention provides a kind of method and apparatus for handling video data, is related to data processing field, can reduce the complexity of video data encoding and decoding.This method comprises: determining whether the information of current coded unit meets sub- coding unit encoding and decoding condition, if the information of current coded unit meets sub- coding unit encoding and decoding condition, obtain at least two sub- respective motion informations of coding unit, and according at least two sub- respective motion information of coding unit, determine the first Candidate Motion information list of current coded unit, and according to the first Candidate Motion information list, obtain the predictive information of current coded unit, wherein, at least two sub- coding units are the sub- coding unit obtained after current coded unit is divided, first Candidate Motion information list includes the Candidate Motion information of at least two sub- coding unit respective motion informations and current coded unit, this method can be applied to encoding device or decoding device.

Description

A kind of method and apparatus handling video data
Technical field
The present embodiments relate to data processing field more particularly to a kind of method and apparatus for handling video data.
Background technique
With the development of information technology, video data increasingly becomes the main side that user in daily life obtains information Formula, the data volume of usual video data is bigger (especially HD video etc.), in order to which the storage for reducing video data occupancy is empty Between, and the transmission bandwidth occupied during reducing transmitting video data, can will after video data compaction coding storage or Person's transmission, when playing the video data, then by video data decoding and plays.
Currently, the coding and decoding of video data is two reciprocal processes during to video data encoding and decoding, It, can be as unit of coding unit to each frame of video data in a kind of coding method for video data encoding It is encoded.Specifically, a video frame (i.e. piece image) is divided at least two image blocks, (each image block can claim For a coding unit), it is then directed to each coding unit, determines the motion information of the coding unit, and according to the coding The motion information of unit determines the predicted value (i.e. the pixel value of the coding unit) of the coding unit, and the coding unit is pre- Measurement information encodes the coding unit, in this way, video recording equipment is equal to all coding units of each video frame of video data It is encoded according to above-mentioned method, to complete the coding to the video data.In another coding method, it is based on due to above-mentioned In the coding method of coding unit, all pixels value in a coding unit all uses the same motion information, and at this In coding unit, possible not all pixel value motion information having the same, in such a case, it is possible to which one is compiled Code unit is further subdivided at least two sub- coding units, then uses sub- coding unit motion-vector prediction (sub-coding Unit based motion vector prediction, SMVP) technology, decoding end motion vector export (decoder Motion vector derivation, DMVD) technology or non-translation motion model, obtain each height of the coding unit It is single further to determine that each height encodes according to the motion information of each sub- coding unit for the motion information of coding unit The predicted value of member, finally according to the predicted value of coding unit, is compiled the coding unit to obtain the predicted value of the coding unit Code, in this way, video recording equipment encodes all coding units of each video frame of video data according to the method described above, thus Complete the coding to the video data.
However, in the above-mentioned methods, when the size of coding unit is smaller, it may not be necessary to which coding unit is divided into sub- volume Code unit is encoded or is decoded, and video recording equipment will coding unit be divided into sub- coding unit, and sub- coding unit is compiled Code or decoding, to complete the encoding and decoding of the coding unit, it is thus possible to cause video data encoding and decoding more complicated.
Summary of the invention
The application provides a kind of method and apparatus for handling video data, can reduce the complexity of video data encoding and decoding Degree.
In order to achieve the above objectives, the application adopts the following technical scheme that
In a first aspect, the application provides a kind of method for handling video data, this method may include: determining present encoding Whether the information of unit meets sub- coding unit encoding and decoding condition；If the information of current coded unit, which meets sub- coding unit, compiles solution Code-bar part then obtains at least two sub- respective motion informations of coding unit；And it is each according at least two sub- coding unit From motion information, determine the first Candidate Motion information list of current coded unit, and according to the first Candidate Motion information List obtains the predictive information of current coded unit.Wherein, the information of current coded unit meets sub- coding unit encoding and decoding item Part include the information of current coded unit meet in following conditions at least one of:
The dimension information of current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with current coded unit is according to the son of adjacent coding unit The motion information of coding unit obtains.
Current coded unit includes encoding block, and encoding block includes an image block in the first video frame, at least two sons Coding unit is the sub- coding unit obtained after current coded unit is divided, and sub- coding unit includes sub- encoding block, and first waits Selecting motion information list includes the Candidate Motion letter of at least two sub- coding unit respective motion informations and current coded unit Breath.
The method of processing video data provided by the present application, due to that whether can be met according to the information of current coded unit Sub- coding unit encoding and decoding condition determines whether for current coded unit to be divided into sub- volume according to the actual conditions of current coded unit Code unit is encoded or is decoded, and when the size of current coded unit is smaller, no longer needs to for current coded unit to be divided into sub- volume Code unit, then encoded or decoded, therefore, it can reduce the complexity of video data encoding and decoding.
In the first optional implementation of first aspect, the method for processing video data provided by the present application can be with It is above-mentioned according to the first Candidate Motion information list applied to decoding device, the method for obtaining the predictive information of current coded unit It may include: the instruction information for obtaining the first object Candidate Motion information being used to indicate in the first Candidate Motion information list, And according to the instruction information of the first Candidate Motion information list and first object Candidate Motion information, determine first object candidate Motion information, and according to first object Candidate Motion information, determine the predictive information of current coded unit.
In the application, after decoding device obtains the first Candidate Motion information list, which can be received from it Current coded unit code stream in obtain first object Candidate Motion information instruction information, in this way, decoding device can root First object candidate is accurately determined according to the instruction information of the first Candidate Motion information list and first object Candidate Motion information Motion information.
In second of optional implementation of first aspect, the method for processing video data provided by the present application can be with It is provided by the present application if the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition applied to decoding device The method of processing video data can also comprise determining that the second Candidate Motion information list of current coded unit, and obtain It is used to indicate the instruction information of the second target candidate motion information in the second Candidate Motion information list, and is waited according to second The instruction information for selecting motion information list and the second target candidate motion information determines the second target candidate motion information, finally According to the second target candidate motion information, the predictive information of current coded unit is determined, the second Candidate Motion information list packet The Candidate Motion information for including current coded unit does not include at least two sub- respective motion informations of coding unit.
In the application, in the case where the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, it is not necessarily to It obtains at least two sub- respective motion informations of coding unit and (compiles solution it is not necessary that current coded unit is divided into sub- coding unit Code), current coded unit directly can be determined according to the second target candidate motion information in the second Candidate Motion information list Predictive information, so, it is possible reduce video data encoding and decoding complexity.
In second of optional implementation of first aspect, the method for processing video data provided by the present application can be with Applied to decoding device, this method can also include: decoding device decode its receive current coded unit coding after code Stream, obtains the first residual information, and according to the predictive information of current coded unit and the first residual information, determine present encoding The reconstruction information of unit.
In the application, decoding device determines current compile according to the predictive information and the first residual information of current coded unit The reconstruction information of code unit, the i.e. complete information of the available current coded unit of the decoding device, and then decoding device can be with By the reconstruction information of all coding units of determination, the complete information of video data to be decoded is obtained, in this way, decoding device can With successfully playing video data.
In the 4th kind of optional implementation of first aspect, the method for processing video data provided by the present application can be with It is above-mentioned according to the first Candidate Motion information list applied to encoding device, the method for obtaining the predictive information of current coded unit It may include: first object Candidate Motion information to be determined in the first Candidate Motion information list, and wait according to first object Motion information is selected, determines the predictive information of current coded unit.
In the application, encoding device can be according at least two sub- respective motion informations of coding unit, and combine current The motion information of coding unit determines the Candidate Motion information list of current coded unit, then uses rate-distortion optimization technology, Optimal operation information is determined from Candidate Motion information list, to determine present encoding list according to the optimal motion information The predictive information of member, can make the predictive information of determining current coded unit more accurate.
In the 5th kind of optional implementation of first aspect, the method for processing video data provided by the present application can be with Applied to encoding device, if the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, place provided by the present application The method of reason video data can also comprise determining that the second Candidate Motion information list of current coded unit, and second The second target candidate motion information is determined in Candidate Motion information list, and according to the second target candidate motion information, is determined The predictive information of current coded unit, the second Candidate Motion information list include the Candidate Motion information of current coded unit, It does not include at least two sub- respective motion informations of coding unit.
In the application, in the case where the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, it is not necessarily to At least two sub- respective motion informations of coding unit are obtained (to compile it is not necessary that current coded unit is divided into sub- coding unit Code), encoding device can be directly according to the second target candidate motion information (second mesh in the second Candidate Motion information list Mark Candidate Motion information is the Candidate Motion information of current coded unit) predictive information of current coded unit is directly determined, such as This, can reduce the complexity of video data encoding and decoding.
In the 6th kind of optional implementation of first aspect, the method for processing video data provided by the present application can be with Applied to encoding device, this method can also include: to be incorporated into the instruction information for being used to indicate target candidate motion information currently The code stream of coding unit.
In the application, after encoding device is completed to the coding of current coded unit, encoding device can be determined the The instruction information of the instruction information of one target candidate motion information or the second target candidate motion information is incorporated into code stream, in this way, When decoding coding receives the code stream after current coded unit encodes, decoding device can obtain current coded unit from code stream First object Candidate Motion information instruction information or the second target candidate motion information instruction information.
In the 7th kind of optional implementation of first aspect, the method for processing video data provided by the present application can be with Applied to encoding device, this method may include: the raw information that encoding device obtains current coded unit, and according to current The predictive information of coding unit and the raw information of current coded unit encode current coded unit.
It is current to this according to the raw information of the predictive information of current coded unit and current coded unit in the application Coding unit coding, and then encoding device can be by encoding all coding units, the video data after being encoded, such as This, encoding device can by the video data compression, thus when storing the video data, without occupying biggish memory space, When the video data is sent to other equipment by encoding device, without occupying biggish transmission bandwidth, in this way, being compiled to video data Code is conducive to the storage and quickly transmission of video data.
Second aspect, the application provide a kind of method for handling video data, and this method may include: determining present encoding Whether the information of unit meets sub- coding unit encoding and decoding condition, if the information of current coded unit meets sub- coding unit and compiles solution Code-bar part, obtains at least two sub- respective motion informations of coding unit, and at least two sub- coding units are current coded unit The sub- coding unit obtained after divided, and according at least two sub- respective motion informations of coding unit, currently compiled The predictive information of code unit.
Wherein, the information of current coded unit meets the information that sub- coding unit encoding and decoding condition includes current coded unit Meet at least one in following conditions:
The dimension information of current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with current coded unit is according to the son of adjacent coding unit The motion information of coding unit obtains.
The method of processing video data provided by the present application, due to that can determine whether the information of current coded unit meets Sub- coding unit encoding and decoding condition, and determine whether for current coded unit to be divided into according to the actual conditions of current coded unit Sub- coding unit carries out encoding and decoding and no longer needs to for current coded unit to be divided into sub- volume when the size of current coded unit is smaller Code unit, then encoding and decoding are carried out, therefore, it can reduce the complexity of video data encoding and decoding.
In the first optional implementation of second aspect, the above-mentioned at least two respective fortune of sub- coding unit of acquisition The method of dynamic information may include: the motion information of acquisition current coded unit, and respectively with the movement of current coded unit Information is that at least two sub- respective initial motion information of coding unit carry out motion search, to obtain at least two son codings The respective motion information of unit.
In the application, searching algorithm can be used, determines the motion information of current coded unit, then determines at least two again A respective motion information of sub- coding unit can accurately determine at least two sub- respective motion informations of coding unit.
In second of optional implementation of second aspect, if the information of current coded unit is unsatisfactory for sub- coding list First encoding and decoding condition, the method for video data provided by the present application can also include: to obtain the motion information of current coded unit, And according to the motion information of current coded unit, determine the predictive information of current coded unit.
In the application, in the case where the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, it is not necessarily to It obtains at least two sub- respective motion informations of coding unit and (compiles solution it is not necessary that current coded unit is divided into sub- coding unit Code), it can determine the predictive information of current coded unit directly according to the motion information of current coded unit, so, it is possible to drop The complexity of low video data encoding and decoding.
In the third optional implementation of second aspect, the method for processing video data provided by the present application can be with Applied to decoding device, the method for the above-mentioned at least two respective motion information of sub- coding unit of acquisition may include: to obtain in advance Mode indication information is surveyed, the value of prediction mode instruction information is used to indicate whether prediction mode is affine transformation mode, if in advance The value instruction current prediction mode for surveying mode indication information is affine transformation mode, obtains at least two pictures of current coded unit The motion information of plain position, and according to the motion information of at least two location of pixels, determine that at least two sub- coding units are each From motion information.
In the application, since prediction mode can be indicated that information is incorporated into the code stream of current coded unit by encoding device, because The prediction mould of current coded unit is obtained in code stream after the current coded unit coding that this decoding device can receive from it Formula indicates information, and indicates that information determines whether to determine using the affine transformation mode of non-translation motion model according to prediction mode The predictive information of current coded unit.
In the 4th kind of optional implementation of second aspect, the method for processing video data provided by the present application can be with Applied to encoding device, the method for the above-mentioned at least two respective motion information of sub- coding unit of acquisition may include: that acquisition is worked as The motion information of at least two location of pixels of preceding coding unit, and according to the motion information of at least two location of pixels, really The fixed at least two sub- respective motion informations of coding unit.
In the 5th kind of optional implementation of second aspect, the method for processing video data provided by the present application can be with Applied to encoding device, this method can also include: the predictive information according to current coded unit, determine current coded unit Prediction mode, and prediction mode is indicated that information is incorporated into the code stream of current coded unit, which indicates the value of information It is used to indicate whether prediction mode is affine transformation mode.
In the application, the prediction mode instruction information of current coded unit is incorporated into the code of current coded unit by encoding device Stream, in this way, decoding device can indicate to believe according to prediction mode after decoding device receives the code stream of current coded unit Breath, knows whether the prediction mode of current coded unit is affine transformation mode.
In the 6th kind of optional implementation of second aspect, the method for processing video data provided by the present application can be with Applied to encoding device.If the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, place provided by the present application The method for managing video data can also include: to determine the predictive information of current coded unit according to candidate modes set, should Candidate modes set does not include affine transformation mode.
In the application, since non-translation motion model is only used for obtaining the motion information of sub- coding unit, if currently The information of coding unit is unsatisfactory for sub- coding unit encoding and decoding condition, then encoding device cannot be using the side of non-translation motion model Method determines the motion information of current coded unit, and the encoding device is using a certain method in candidate modes set, really Determine the predictive information of current coded unit.
The third aspect, the application provide a kind of device for handling video data, the apparatus may include determining module and obtain Modulus block.Wherein it is determined that whether the information that module is determined for current coded unit meets sub- coding unit encoding and decoding item Part；Obtaining module can be used for determining that the information of current coded unit meets sub- coding unit encoding and decoding condition in determining module In the case of, obtain at least two sub- respective motion informations of coding unit；The determining module can be also used for according to acquisition module At least two sub- respective motion informations of coding unit obtained determine the first Candidate Motion information column of current coded unit Table, and according to the first Candidate Motion information list, obtain the predictive information of current coded unit.
Wherein, the information of current coded unit meets the information that sub- coding unit encoding and decoding condition includes current coded unit Meet at least one in following conditions:
The dimension information of current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with current coded unit is according to the son of adjacent coding unit The motion information of coding unit obtains.
Current coded unit includes encoding block, and encoding block includes an image block in the first video frame, at least two sons Coding unit is the sub- coding unit obtained after current coded unit is divided, and sub- coding unit includes sub- encoding block, and first waits Selecting motion information list includes the Candidate Motion letter of at least two sub- coding unit respective motion informations and current coded unit Breath.
In the first optional implementation of the third aspect, the device of processing video data provided by the present application can be with For decoding device, above-mentioned acquisition module can be also used for obtaining the first mesh being used to indicate in the first Candidate Motion information list Mark the instruction information of Candidate Motion information；Above-mentioned determining module is specifically used for according to the first Candidate Motion information list and first The instruction information of target candidate motion information determines first object Candidate Motion information, and according to first object Candidate Motion Information determines the predictive information of current coded unit.
In second of optional implementation of the third aspect, the device of processing video data provided by the present application can be with For decoding device, which can also include decoder module, which can be used for decoding it and receive current volume Code stream after code cell encoding, obtains the first residual information, above-mentioned determining module can be also used for according to current coded unit Predictive information and the first residual information, determine the reconstruction information of current coded unit.
In the third optional implementation of the third aspect, the device of processing video data provided by the present application can be with For decoding device, above-mentioned determining module can be also used for being unsatisfactory for sub- coding unit encoding and decoding in the information of current coded unit In the case where condition, the second Candidate Motion information list of current coded unit is determined；Above-mentioned acquisition module, can be also used for obtaining Take the instruction information for the second target candidate motion information being used to indicate in the second Candidate Motion information list；Above-mentioned determining mould Block can be also used for according to the second Candidate Motion information list and obtain the finger for the second target candidate motion information that module obtains Show information, determine the second target candidate motion information, and according to the second target candidate motion information, determines current coded unit Predictive information, it does not include at least two which, which includes the Candidate Motion information of current coded unit, A respective motion information of sub- coding unit.
In the 4th kind of optional implementation of the third aspect, the device of processing video data provided by the present application can be with For encoding device, above-mentioned determining module, specifically for determining the in obtaining the first Candidate Motion information list that module obtains One target candidate motion information, and according to first object Candidate Motion information, determine the predictive information of current coded unit.
In the 5th kind of optional implementation of the third aspect, the device of processing video data provided by the present application can be with For encoding device, above-mentioned determining module can be also used for being unsatisfactory for sub- coding unit encoding and decoding in the information of current coded unit In the case where condition, the second Candidate Motion information list of current coded unit is determined, and arrange in the second Candidate Motion information The second target candidate motion information is determined in table, and according to the second target candidate motion information, determines current coded unit Predictive information, the second Candidate Motion information list include the Candidate Motion information of current coded unit, do not include at least two The sub- respective motion information of coding unit.
In the 6th kind of optional implementation of the third aspect, the device of processing video data provided by the present application can be with For encoding device, which further includes coding module, which can be used for be used to indicate first object candidate The instruction information of the instruction information of motion information or the second target candidate motion information is incorporated into the code stream of current coded unit.
In the 6th kind of optional implementation of the third aspect, the device of processing video data provided by the present application can be with For encoding device, above-mentioned acquisition module can be also used for the raw information for obtaining current coded unit；Above-mentioned coding module, also The raw information that can be used for the predictive information and current coded unit according to current coded unit compiles current coded unit Code.
The third aspect and its technical effect of various optional implementations may refer to above-mentioned to first aspect and its each The associated description of the technical effect of the optional implementation of kind, details are not described herein again.
Fourth aspect, the application provide a kind of device for handling video data, the apparatus may include determining module and obtain Modulus block.Wherein it is determined that whether the information that module is determined for current coded unit meets sub- coding unit encoding and decoding item Part；Obtaining module can be used for determining that the information of current coded unit meets sub- coding unit encoding and decoding condition in determining module In the case of, obtain at least two sub- respective motion informations of coding unit；The determining module can be also used for according to acquisition module At least two sub- respective motion informations of coding unit obtained, obtain the predictive information of current coded unit.
Wherein, the information of current coded unit meets the information that sub- coding unit encoding and decoding condition includes current coded unit Meet at least one in following conditions:
The dimension information of current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with current coded unit is according to the son of adjacent coding unit The motion information of coding unit obtains.
Current coded unit includes encoding block, and encoding block includes an image block in the first video frame, at least two sons Coding unit is the sub- coding unit obtained after current coded unit is divided, and sub- coding unit includes sub- encoding block.
In the first optional implementation of fourth aspect, above-mentioned acquisition module is specifically used for obtaining present encoding The motion information of unit, and be respectively that at least two sub- coding units are respective initial with the motion information of current coded unit Motion information carries out motion search, to obtain at least two sub- respective motion informations of coding unit.
In second of optional implementation of fourth aspect, above-mentioned acquisition module be can be also used in present encoding The information of unit is unsatisfactory for sub- coding unit encoding and decoding condition, obtains the motion information of current coded unit；Above-mentioned determining module, It can be also used for the prediction letter that current coded unit is determined according to the motion information for obtaining the current coded unit that module obtains Breath.
In the third optional implementation of fourth aspect, the device of processing video data provided by the present application can be with For decoding device, above-mentioned acquisition module is specifically used for obtaining prediction mode instruction information, and in prediction mode instruction information In the case that value instruction current prediction mode is affine transformation mode, at least two location of pixels of current coded unit are obtained Motion information, and according to the motion information of at least two location of pixels, determine at least two sub- respective movements of coding unit The value of information, prediction mode instruction information is used to indicate whether prediction mode is affine transformation mode.
In the 4th kind of optional implementation of fourth aspect, the device of processing video data provided by the present application can be with For encoding device, above-mentioned acquisition module is also used to obtain the motion information of at least two location of pixels of current coded unit, and And according to the motion information of at least two location of pixels, at least two sub- respective motion informations of coding unit are determined.
In the 5th kind of optional implementation of fourth aspect, the device of processing video data provided by the present application can be with For encoding device, which can also include coding module, and above-mentioned determining module is also used to according to current coded unit Predictive information determines the prediction mode of current coded unit；The coding module can be used for the prediction mould for determining determining module Formula instruction information is incorporated into the code stream of current coded unit, the value of prediction mode instruction information be used to indicate prediction mode whether be Affine transformation mode.
In the 6th kind of optional implementation of fourth aspect, the device of processing video data provided by the present application can be with For encoding device；Above-mentioned determining module can be also used for being unsatisfactory for sub- coding unit encoding and decoding in the information of current coded unit In the case where condition, according to candidate modes set, the predictive information of current coded unit is determined, the candidate modes collection Conjunction does not include affine transformation mode.
Fourth aspect and its technical effect of various optional implementations may refer to above-mentioned to second aspect and its each The associated description of the technical effect of the optional implementation of kind, details are not described herein again.
In first aspect into fourth aspect, the dimension information of current coded unit meets sub- coding unit encoding and decoding size Condition includes that the dimension information of current coded unit meets any one in following conditions:
The pixel quantity of current coded unit is more than or equal to first threshold；
The ratio of the pixel quantity of the pixel quantity of current coded unit and the first sub- coding unit is more than or equal to the Two threshold values, the first sub- coding unit are a sub- coding unit at least two sub- coding units；
The height for being wider than or being equal to third threshold value or current coded unit of current coded unit is more than or equal to the Four threshold values.
In the application, decoding device or encoding device determine that the information of current coded unit meets above-mentioned sub- coding unit and compiles Decoding condition, decoding device or encoding device can determine the solution in such a way that current coded unit to be divided into sub- coding unit Code or coding current coded unit, above-mentioned sub- coding unit encoding and decoding condition may include a variety of, thus the decoding device or volume Decoding apparatus can determine whether for current coded unit to be divided into sub- volume according to the sub- coding unit encoding and decoding condition of plurality of optional Code unit, and suitable coding/decoding method or coding method is selected to complete the decoding or encoding to current coded unit.
5th aspect, the application provide it is a kind of handle video data device, the apparatus may include processor and with this The memory that processor is of coupled connections.The memory is for storing computer instruction, and when the apparatus is operative, processor executes should The computer instruction of memory storage, appoints so that the device executes in above-mentioned first aspect and its various optional implementations The method of processing video data described in one of meaning.
6th aspect, the application provide a kind of computer readable storage medium, include in the computer readable storage medium Computer instruction, when the computer instruction is run on the device for handling video data, so that the device executes first aspect And its in various optional implementations it is one of any described in processing video data method.
7th aspect, the application provides a kind of computer program product comprising instruction, when the computer program product exists When being run on the device of processing video data, so that the device executes in first aspect and its various optional implementations arbitrarily One of described in processing video data method.
The description of the related content and technical effect of 5th aspect to the 7th aspect may refer to it is above-mentioned to first aspect and The related content of its various optional implementation and the associated description of technical effect, details are not described herein again.
Eighth aspect, the application provide it is a kind of handle video data device, the device include processor and with the processing The memory that device is of coupled connections.The memory is for storing computer instruction, when handling the device operation of video data, processing Device executes the computer instruction of memory storage, so that the device executes above-mentioned second aspect and its various optional realizations In mode it is one of any described in processing video data method.
9th aspect, the application provide a kind of computer readable storage medium, which includes meter Calculation machine instruction, when the computer instruction handle video data device on run when so that the device execute second aspect and In its various optional implementation it is one of any described in processing video data method.
Tenth aspect, the application provides a kind of computer program product comprising instruction, when the computer program product exists When being run on the device of processing video data, so that the device executes in second aspect and its various optional implementations arbitrarily One of described in processing video data method.
Eighth aspect to the tenth aspect related content and technical effect description may refer to it is above-mentioned to second aspect and The related content of its various optional implementation and the associated description of technical effect, details are not described herein again.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram one that video frame is divided into coding unit provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram that coding unit is divided into sub- coding unit provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram two that video frame is divided into coding unit provided in an embodiment of the present invention；
Fig. 4 is a kind of method schematic diagram of intra prediction provided in an embodiment of the present invention；
Fig. 5 (a) is a kind of method schematic diagram one of inter-prediction provided in an embodiment of the present invention；
Fig. 5 (b) is a kind of method schematic diagram two of inter-prediction provided in an embodiment of the present invention；
Fig. 5 (c) is a kind of method schematic diagram three of inter-prediction provided in an embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of the motion vector of coding unit provided in an embodiment of the present invention；
Fig. 7 is a kind of hardware schematic of encoding device provided in an embodiment of the present invention；
Fig. 8 is a kind of hardware schematic of decoding device provided in an embodiment of the present invention；
Fig. 9 is a kind of method schematic diagram one for handling video data provided in an embodiment of the present invention；
Figure 10 is a kind of method schematic diagram one for the motion information for obtaining sub- coding unit provided in an embodiment of the present invention；
Figure 11 is a kind of method schematic diagram two for handling video data provided in an embodiment of the present invention；
Figure 12 is a kind of method schematic diagram three for handling video data provided in an embodiment of the present invention；
Figure 13 is a kind of method schematic diagram four for handling video data provided in an embodiment of the present invention；
Figure 14 is a kind of method schematic diagram five for handling video data provided in an embodiment of the present invention；
Figure 15 is a kind of method schematic diagram six for handling video data provided in an embodiment of the present invention；
Figure 16 is a kind of method schematic diagram seven for handling video data provided in an embodiment of the present invention；
Figure 17 is a kind of method schematic diagram eight for handling video data provided in an embodiment of the present invention；
Figure 18 is a kind of method schematic diagram nine for handling video data provided in an embodiment of the present invention；
Figure 19 is a kind of method schematic diagram one of the motion information of determining coding unit provided in an embodiment of the present invention；
Figure 20 is a kind of method schematic diagram one for the motion information for determining sub- coding unit provided in an embodiment of the present invention；
Figure 21 is a kind of method schematic diagram ten for handling video data provided in an embodiment of the present invention；
Figure 22 is a kind of method schematic diagram 11 for handling video data provided in an embodiment of the present invention；
Figure 23 is a kind of method schematic diagram two for the motion information for determining sub- coding unit provided in an embodiment of the present invention；
Figure 24 is a kind of method schematic diagram 12 for handling video data provided in an embodiment of the present invention；
Figure 25 is a kind of method schematic diagram 13 for handling video data provided in an embodiment of the present invention；
Figure 26 is a kind of method schematic diagram 14 for handling video data provided in an embodiment of the present invention；
The structural schematic diagram one of the device of Figure 27 processing video data provided in an embodiment of the present invention；
The structural schematic diagram two of the device of Figure 28 processing video data provided in an embodiment of the present invention.
Specific embodiment
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
Term " first " and " second " in the specification and claims of the embodiment of the present invention etc. are for distinguishing not Same object, rather than it is used for the particular order of description object.For example, first threshold and second threshold etc. are for distinguishing difference Threshold value, rather than for describing the particular order of threshold value.
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport Related notion is being presented in specific ways.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or more.Example Such as, multiple coding units refer to two or more coding units；Multiple processing units refer to two or more Processing unit.
First to it is provided in an embodiment of the present invention it is a kind of handle video data method and apparatus involved in some concepts It illustrates.
Coding unit: it including encoding block, refers to for a video frame (i.e. a sub-picture) to be encoded being divided into multiple Image block, an encoding block includes an image block in video frame, for example, video frame as shown in Figure 1, it is assumed that the video frame Size be 128*128, which is equally divided into 4 image blocks of 64*64 size, then the video frame may include 4 Encoding block, for example, one of encoding block includes the image block 1 in Fig. 1.
Sub- coding unit: it including sub- encoding block, refers to a coding unit of above-mentioned video frame being divided into multiple sons Block, each sub-block are properly termed as a sub- encoding block, for example, as shown in Fig. 2, the video frame is equally divided into 4 encoding blocks, For an encoding block, which is equally divided into 4 sub-blocks again, each sub-block is sub- encoding block (such as Fig. 2 neutron Encoding block 1 and sub- encoding block 2 are the sub- encoding block of encoding block 1).
During video data encoding, by taking a coding unit of video data to be encoded as an example, encoding device or The predictive information of the coding unit can be determined first, and then the coding unit is encoded according to the predictive information of coding unit. During video data decoding, by taking a coding unit of video data to be decoded as an example, decoding device can be first It determines the predictive information of the coding unit, the reconstruction information of coding unit is then determined according to the predictive information of coding unit.It is comprehensive On, during video data encoding and decoding, the method for determining the predictive information of coding unit may include intra prediction and frame Between predict.Illustrate intra prediction and inter-prediction separately below.
The residual information of coding unit: the pre- of the real information (i.e. raw information) of coding unit and coding unit is referred to Difference between difference between measurement information, the i.e. real information of coding unit and the predictive information of coding unit.
The reconstruction information of coding unit: it refers to true according to the predictive information of coding unit and the residual information of coding unit The reconstructed value of the pixel value of fixed coding unit, specifically, the predictive information of coding unit adds the residual information of coding unit, Then correlation filtering operation is done to sum of the two, to eliminate blocking artifact, obtains the reconstruction information of coding unit.
The video frame is usually divided into multiple volumes in video frame to be encoded by the video frame to be encoded for one After code unit, as unit of coding unit, according to from left to right, sequence from top to bottom compiles the video frame to be encoded Code, for example, the video frame is divided into 9 coding units, is denoted as in video frame as shown in Figure 3
CU1-CU9 successively can encode CU1-CU9 according to the sequence of positions of CU1-CU9, complete the first video frame Coding.
Intra prediction: when referring to for current coding unit (being properly termed as current coded unit) coding, Ke Yi In video frame (being properly termed as the first video frame) where current coded unit, by adjacent with the current coded unit (i.e. empty Domain is adjacent) coding unit (coding is completed in the coding unit adjacent with current coded unit) reconstruction information, determination work as The predictive information of preceding coding unit, that is, the pixel value for the current coded unit predicted, for example, as shown in figure 4, shown in Fig. 4 In first video frame, CU5 is an image block to be encoded, can be left by CU1, CU2, CU3 and CU5 of the top of CU5 The pixel value of at least one image block prediction CU5 in the CU4 of side.
Inter-prediction: refer to for current coded unit (such as current coded unit) encode when, can according to this Video frame (being properly termed as the first video frame) adjacent video frame where current coded unit determines the pre- of current coded unit Measurement information (i.e. reference frame of the video frame adjacent with the first video frame as the first video frame, then again in the second video frame The determining and most like image block of current coded unit (being properly termed as reference block), and using the reference block as current coded unit Predictive information).Specifically, inter-prediction includes forward prediction, back forecast and the prediction modes such as bi-directional predicted, forward prediction Refer to the predictive information that current coded unit is determined in the former frame of the first video frame, for example, as shown in Fig. 5 (a), first Video frame is denoted as F1, and the former frame of the first video frame is denoted as F0, and in F0, the prediction that image block C0 is current coded unit C1 is believed Breath；Back forecast refers to the predictive information that current coded unit is determined in a later frame of the first video frame, for example, such as Fig. 5 (b) shown in, the first video frame is denoted as F0, and a later frame of the first video frame is denoted as in F2, and in F2, image block C2 is present encoding The predictive information of unit；The bi-directional predicted prediction for referring to determining a current coded unit in the former frame of the first video frame Information, in a later frame of current coded unit also determine a current coded unit predictive information, then further according to this two A predictive information determines the predictive information of current coded unit, and as shown in Fig. 5 (c), the first video frame is denoted as F1, the first video frame Former frame be denoted as F0, a later frame of the first video frame is denoted as F2, and the image block C0 in F0 is one of current coded unit pre- Measurement information, the image block C2 in F2 are also a predictive information of current coded unit, finally, determining current compile according to C0 and C2 The predictive information of code unit.
The motion vector of coding unit: the case where the method using inter-prediction carries out video data encoding and decoding Under, for a coding unit (such as current coded unit), the video frame where the current coded unit is the first video frame, The first video frame reference frame (former frame of the first video frame and or the first video frame a later frame) in, if being compiled with current Code unit corresponding position image block (referred to as the first image block), matched the most with current coded unit (i.e. with present encoding list Member it is the most similar) image block be the second image block, then the motion vector of current coded unit refer to from the first image block move It moves to the moving displacement of the second image block.As shown in fig. 6, F1 indicates the first video frame, F2 indicates the reference frame of the first video frame, Assuming that CU1 is current coded unit, the image block of CU1 corresponding position in F2 is CU2, and the CU3 in F2 is to match the most with CU1 Image block, the motion vector fast as the image using the motion vector of the central pixel point of image block, if the motion vector of CU2 For (0,0), it is CU3 at the lower left position that lateral distance is 1 that the lower left CU2, distance CU2 fore-and-aft distance, which is 1, then CU2 with The relative motion displacement of CU3 is (- 1,1), then the motion vector of CU1 is (- 1,1).
Based on the video data encoding in background technique and existing problem is decoded, the embodiment of the present invention provides a kind of processing The method and apparatus of video data, encoding device can determine the information of coding unit according to the actual conditions of coding unit Whether sub- coding unit encoding and decoding condition is met, and then using corresponding coding method to video data encoding, similarly, decoding is set It is standby to determine whether the information of coding unit meets sub- coding unit encoding and decoding condition, then use corresponding coding/decoding method To video data decoding, the complexity of video data encoding and decoding can reduce.
The method and apparatus of processing video data provided in an embodiment of the present invention can be applied to video data encoding or Person in the scene of video data decoding, this method can be applied to coding and or decoding function equipment, the present invention In embodiment, encoding device will be known as to the equipment of video data encoding, is set being known as decoding to the equipment of video data decoding It is standby, after encoding device gets video data, encoding device to the video data encoding, can by the video data compression, When to store the video data, without occupying biggish memory space, when which is sent to other equipment, it is not necessarily to Biggish transmission bandwidth is occupied, in this way, being conducive to the storage and quickly transmission of video data to video data encoding；Decoding device Video data after getting coding, the encoding device can restore the complete letter of the video data to the video data decoding Breath, can so guarantee the smooth broadcasting of the video data.
The method of processing video data provided in an embodiment of the present invention can be applied to encoding device and decoding device
In, encoding device and decoding device all can be desktop computer, mobile computing device, notebook it is (such as above-knee Type) hand-held sets such as computer, tablet computer, set-top box, smart phone, TV, camera, display device, Digital Media play Device, video game console, car-mounted computer or other similar equipment.
Each component parts of encoding device provided in an embodiment of the present invention is specifically introduced below with reference to Fig. 7.Such as Fig. 7 institute Show, encoding device provided in an embodiment of the present invention includes: the components such as video source 10, video encoder 11 and output interface 12.This Field technical staff is appreciated that the structure of encoding device shown in Fig. 7 does not constitute the restriction to encoding device, can be with Including the more or fewer components of component such as shown in Fig. 7, or certain portions in component as shown in Figure 7 can be combined Part, or can be different from component layout as shown in Figure 7.
Video source 10 may include video capture device (such as video camera), the view containing the video data previously captured Frequency achieves, to the video input interface from video content provider's reception video data, and/or for generating video data The combination of computer graphics system or above-mentioned video data source.
Video encoder 11 can be according to the video data that coding standard (such as H.264) obtains encoding device by compiling It is converted into the code that machine can identify after code, by video data compression, is conducive to the transimission and storage of video data.Video Encoder 11 can be central processing unit (central processing unit, CPU), general processor, Digital Signal Processing Device (digital signal processor, DSP), specific integrated circuit (application-specific integrated Circuit, ASIC), field programmable gate array (field programmable gate array, FPGA) or other can Programmed logic device, transistor logic, hardware component or any combination thereof may be implemented or execute present invention implementation Various illustrative logic blocks, module and circuit described in example disclosure；Video encoder 11 is also possible to realize The combination of computing function, such as combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..
Output interface 12 is used to send the interface circuit of data to other equipment, and output interface 12 can be transceiver, receipts Power Generation Road etc. has the structure of transmission-receiving function, including modulator/demodulator (modem) and/or transmitter, compiles in video In decoding system, the video data after coding can be sent to decoding device by output interface 12.
Optionally, encoding device as shown in Figure 7 can also include Wireless Fidelity (wireless gidelity, WiFi) Module, bluetooth module etc., details are not described herein.
Each component parts of decoding device provided in an embodiment of the present invention is specifically introduced below with reference to Fig. 8.Such as Fig. 8 institute Show, decoding device provided in an embodiment of the present invention includes: the components such as input interface 20, Video Decoder 21 and display device 22. It will be understood by those skilled in the art that the structure of encoding device shown in Fig. 8 does not constitute the restriction to encoding device, it can To include the more or fewer components of component such as shown in Fig. 8, or certain portions in component as shown in Figure 8 can be combined Part, or can be different from component layout as shown in Figure 8.
Input interface 20 is used to receive the data of other equipment (such as encoding device) transmission, and input interface 20 can be to connect Receive device and/or modem.In video coding and decoding system, after input interface 20 can receive the coding of encoding device transmission Video data.
Video Decoder 21 can decode the video data restoration after its received coding, that is, decompress, so as to So that decoded video data plays in a display device.Video Decoder 21 can be CPU, general processor, DSP, ASIC, FPGA or other programmable logic device, transistor logic, hardware component or any combination thereof, can be with Realize or execute various illustrative logic blocks, module and circuit described in content disclosed by the embodiments of the present invention；Video Decoder 21 is also possible to realize the combination of computing function, such as combines comprising one or more microprocessors, DSP and micro process The combination etc. of device.
For display device 22 for showing decoded video data, display device may include a variety of display devices, such as Liquid crystal display (liquid crystal display, LCD), plasma scope, Organic Light Emitting Diode (organic Light-emitting diode, OLED) display or other types of display device.Optionally, display device 22 can be whole It closes in decoding device, display device 22 can also be set to outside decoding device with decoding device independence.
In conjunction with above-mentioned application scenarios and communication system, the embodiment of the present invention provides a kind of method for handling video data, should Method may include introducing the method and view of video data encoding separately below to video data encoding and to video data decoding Frequency is according to decoded method.
Optionally, in the embodiment of the present invention, when to current coded unit encoding and decoding, method of motion vector prediction can be used The different method such as (such as SMVP technology), DMVD technology or non-translation motion model to current coded unit encoding and decoding, below Respectively by taking these three methods as an example, encoding-decoding process of the illustrative explanation to current coded unit.
Method one: the encoding and decoding of SMVP technology are used
In the embodiment of the present invention, description uses SMVP technology for encoding and decoded method respectively, compiles using SMVP technology When code, the method for processing video data provided in an embodiment of the present invention can be applied to encoding device, use SMVP technology solution When code, the method for processing video data provided in an embodiment of the present invention can be applied to decoding device.
Firstly, when using SMVP technology for encoding, as shown in figure 9, the side of processing video data provided in an embodiment of the present invention Method may include S101-S104:
S101, encoding device determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition.
Wherein, current coded unit includes encoding block, which includes an image in the video frame of present encoding Block, the video frame of present encoding are a frame of video data to be encoded.
In the embodiment of the present invention, after encoding device obtains video data, which compiles the video data encoding Decoding apparatus, which refers to video data encoding, encodes each frame of video data, specifically, with video data to be encoded For a frame (such as first video frame) in (i.e. the video data of encoding device acquisition), encoding device draws the first video frame It is divided into multiple coding units, then each coding unit is encoded, completes to the first coding video frames.
It should be noted that, for the associated description of coding unit, may refer to above-described embodiment in the embodiment of the present invention For the present embodiments relate to some concepts introduction in associated description about coding unit, the size of coding unit can With determines according to actual conditions, for example, it is 128* that the video frame can be divided into 4 sizes for the video frame of 256*256 The video frame can also be divided into the coding unit of 16 64*64 by 128 coding unit, can also divide the video frame The coding unit for being 32*32 for 64 sizes, the embodiment of the present invention are not especially limited.
In the embodiment of the present invention, since the size of video frame is usually bigger, encoding device directly handles the institute of video frame There are data, the more resource of encoding device may be occupied, may cause the encoding device can not handle other business, therefore, When to coding video frames, after each video frame is divided into multiple coding units, encoding device can be by each Coding unit coding is completed to so, it is possible to guarantee the volume that encoding device smoothly completes video data to entire coding video frames Code.
After multiple coding units that above-mentioned encoding device divides a video frame, encoding device is to a coding unit During (current coded unit as escribed above) encodes, since the direction of motion of each pixel of current coded unit can Can not be identical, if directly encoded to current coded unit, it may result in the predictive information of determining current coded unit not Accurately, to cause the coding result inaccuracy to current coded unit, therefore encoding device can determine present encoding first Whether the information of unit meets sub- coding unit encoding and decoding condition, then according to determining result, it is determined whether by present encoding Unit is further divided at least two sub- coding units, then the suitable coding method of reselection, compiles at least two sub- coding units Code, to complete the coding to current coded unit.
In the embodiment of the present invention, the information of above-mentioned current coded unit meets sub- coding unit encoding and decoding condition and may include The information of current coded unit meets at least one in following condition A1 and A2:
A1, current coded unit dimension information meet sub- coding unit encoding and decoding size condition.
In the embodiment of the present invention, the dimension information of current coded unit meets sub- coding unit encoding and decoding size condition, packet The dimension information for including current coded unit meets any one in following condition B1-B3:
B1, current coded unit pixel quantity be more than or equal to first threshold.
In the embodiment of the present invention, when the pixel quantity of current coded unit is more than or equal to preset first threshold, say The size of bright current coded unit is bigger, and encoding device may occupy the money of the more encoding device to coding unit coding Source.
B2, current coded unit the ratio of pixel quantity and the pixel quantity of the first sub- coding unit be more than or equal to Second threshold.
In the embodiment of the present invention, above-mentioned first sub- coding unit is that current coded unit is divided at least two sons to encode After unit, a sub- coding unit in at least two sub- coding unit, the size of sub- coding unit can be preparatory Setting.The ratio of the pixel quantity of current coded unit and the pixel quantity of the first sub- coding unit is more than or equal to preset Second threshold equally illustrates that the size of current coded unit is bigger.
B3, current coded unit be wider than or the height of third threshold value or current coded unit is more than or equal to the Four threshold values.
In the embodiment of the present invention, current coded unit is wider than preset third threshold value, illustrates current coded unit Size is larger or the height of current coded unit is more than or equal to the 4th threshold value, illustrates that the size of current coded unit is larger.
It should be noted that above-mentioned first threshold, the second threshold can be arranged according to the actual situation in the embodiment of the present invention Value, third threshold value and the 4th threshold value, the embodiment of the present invention are not especially limited.Wherein, third threshold value can be with the 4th threshold value phase Deng.
A2, at least one coding unit adjacent with current coded unit predictive information according to the adjacent encoder unit The motion information of sub- coding unit obtains.
In the embodiment of the present invention, when video recording equipment encodes current coded unit, if video recording equipment determination is encoded Coding unit in the predictive information of the coding unit adjacent with the current coded unit be according to the adjacent coding unit What the motion information of sub- coding unit obtained, then the video recording equipment determines that the predictive information of the current coded unit can also basis The motion information of the sub- coding unit of the current coded unit obtains.
If the information of S102, current coded unit meets sub- coding unit encoding and decoding condition, encoding device obtains at least two A respective motion information of sub- coding unit.
Wherein, at least two sub- coding units are the sub- coding unit obtained after current coded unit is divided, sub- coding Unit includes sub- encoding block.
It is understood that since motion information can characterize current a coding unit or a sub- coding unit Can be obtained by coded coding unit or sub- coding unit by offset, therefore, as long as determine coding unit or The motion information of the sub- coding unit of person, so that it may the predictive information of current coded unit is quickly determined according to motion information.
In the embodiment of the present invention, if the information of current coded unit meets at least one in above-mentioned A1 and A2, compile Current coded unit can be divided at least two sub- coding units by decoding apparatus, and it is each then to obtain at least two sub- coding units From motion information.
It should be noted that in the embodiment of the present invention, encoding device can sub- coding unit determines according to actual conditions Size, for example, the size of current coded unit is 64*64, current coded unit can be divided into 4 sizes and be by encoding device The sub- coding unit of 32*32, it is single that current coded unit can also be divided into the son coding that 16 sizes are 16*16 by encoding device Current coded unit, can also be divided into the sub- coding unit that 32 sizes are 8*8 by member, and the embodiment of the present invention does not limit specifically It is fixed.
In the embodiment of the present invention, the motion information of the sub- coding unit of said one includes the prediction direction of the sub- coding unit Indicate at least one in the reference block instruction information of information, the motion vector of the sub- coding unit and the sub- coding unit.
In the embodiment of the present invention, when encoding current coded unit, the side of the predictive information of the current coded unit is determined Method may include forward prediction, back forecast or bi-directional predicted etc., then the prediction direction of above-mentioned sub- coding unit indicates information The method for being used to indicate the predictive information of determining current coded unit is forward prediction, back forecast, bi-directional predicted or other are pre- Survey direction；The description of motion vector about sub- coding unit may refer to swear the movement of coding unit in above-described embodiment The associated description of amount, details are not described herein again；The reference block instruction information of sub- coding unit refers to and the sub- coding unit most phase As video frame where image block (being properly termed as reference block) index, this can be known according to the index of the video frame Reference block is the image block in which frame of video data to be encoded.
Illustratively, in the embodiment of the present invention, it is assumed that in the motion information of above-mentioned sub- coding unit, a sub- coding unit The prediction instruction direction of (being properly termed as the first sub- coding unit) is forward prediction, and the motion vector of the first sub- coding unit is The reference block instruction information of (1,0), the first sub- coding unit is 10, then encoding device is determined in the first sub- coding unit institute Video frame (video frame i.e. where current coded unit, i.e. the first video frame) before, and index be 10 video frame In (being properly termed as the second video frame), determine that sub- coding unit corresponding with the position of the first sub- coding unit (is properly termed as Second sub- coding unit), it is the son coding of (1,0) at a distance from the second sub- coding unit then in second video frame Unit (being properly termed as the sub- coding unit of third) is the sub- coding unit most like with the first sub- coding unit, then compiles third Pixel value of the pixel value of code unit as the first sub- coding unit, i.e., using the sub- coding unit of third as the first sub- coding unit Predictive information.
It should be noted that in the embodiment of the present invention, for obtaining at least two sub- respective motion informations of coding unit Method, be described in detail in following S103.
S103, encoding device determine current coded unit according at least two sub- respective motion informations of coding unit First Candidate Motion information list.
Wherein, the first Candidate Motion information list includes at least two sub- respective motion informations of coding unit and current volume Code unit.
In the embodiment of the present invention, S103 can specifically be realized by S103a-S103e:
S103a, encoding device obtain the motion information of the multiple images block adjacent with the current coded unit airspace, and examine It looks into the availability of the motion information of multiple image block and repeats situation, and according to inspection result to the first Candidate Motion information Motion information is added in list.
In the embodiment of the present invention, encoding device obtains the movement of the multiple images block adjacent with the current coded unit airspace Information obtains multiple motion informations, using multiple motion information as the Candidate Motion information of current coded unit, due to current There may be not available motion informations in the Candidate Motion information of coding unit, such as there is no movements for uncoded image block Information；It is also likely to be present duplicate motion information in the Candidate Motion information of current coded unit, has been determined 4 with encoding device For the motion information of the adjacent image block in airspace, in 4 motion informations that encoding device obtains, wherein there is 2 movement letters Manner of breathing is same, then this 2 motion informations repeat.Encoding device determine not available motion information and duplicate motion information it Afterwards, encoding device is deleted not available motion information and duplicate motion information in Candidate Motion and (is protected in duplicate motion information A motion information is stayed, remaining duplicate motion information is deleted), then encoding device is (candidate by remaining motion information Motion information in motion information in addition to unavailable and duplicate motion information) it is added to the first Candidate Motion information list In.
Optionally, in the embodiment of the present invention, the quantity of the adjacent image block in the airspace of above-mentioned current coded unit be can wrap Include it is multiple, specifically, the quantity of the adjacent image block in the airspace of current coded unit can determines according to actual conditions, the present invention Embodiment is not especially limited.
It should be noted that in the embodiment of the present invention, the size of the adjacent image block in the airspace of above-mentioned current coded unit Can be identical as the size of current coded unit, can also be of different sizes with current coded unit, i.e. current coded unit The size of the adjacent image block in airspace can be less than the size of current coded unit, can also be equal to the big of current coded unit It is small, the size of current coded unit can also be greater than, the embodiment of the present invention is not especially limited.
S103b, encoding device obtain at least two sub- respective motion informations of coding unit, and check that at least two sons are compiled The availability of the code respective motion information of unit and situation is repeated, and according to inspection result to the first Candidate Motion information list The motion information of the middle sub- coding unit of addition.
In the embodiment of the present invention, all sub- coding units in coding unit at least two can use advanced Time-domain motion vector predicts (advanced temporal motion vector prediction, ATMVP) method, obtains every The motion information of one sub- coding unit, below the ATMVP motion information of referred to as sub- coding unit, and or when using airspace Domain motion-vector prediction (spatial-temporal motion vector prediction, STMVP) method obtains each The motion information of sub- coding unit, below the STMVP motion information of referred to as sub- coding unit.
It should be noted that in following embodiments, the motion information of the sub- coding unit obtained with encoding device is The method for determining the Candidate Motion information list of current coded unit is introduced for ATMVP motion information and STMVP motion information. In practical applications, can select to obtain according to the actual situation ATMVP motion information and or STMVP motion information, the present invention it is real Example is applied to be not especially limited.
In the embodiment of the present invention, with a sub- coding unit at least two sub- coding units (for example, the referred to as first son Coding unit) for, the method for the ATMVP motion information of encoding device the first sub- coding unit of acquisition are as follows: encoding device obtains Image block (the referred to as first sub- coding unit of corresponding position in the reference frame of the first video frame where first sub- coding unit Corresponding blocks) motion information, and zoom in and out, obtain the motion information of the first sub- coding unit.
Illustratively, the figure sequence of the video frame where the first sub- coding unit (i.e. the first video frame) counts (picture Order count, POC) it is denoted as D1, the POC of the reference frame of the first video frame is denoted as D2, the corresponding blocks institute of the first sub- coding unit The POC of video frame (such as be known as second video frame) be denoted as D3, the second video frame (corresponding blocks of the i.e. first sub- coding unit The video frame at place) the POC of reference frame be denoted as D4, the motion information of the corresponding blocks of the first sub- coding unit is denoted as MV, then The motion information MVs of one sub- coding unit can be obtained by formula (1):
Wherein, σ indicates that zoom factor, zoom factor can characterize MVs for MV, the degree of scaling.
In the embodiment of the present invention, with a sub- coding unit at least two sub- coding units (for example, above-mentioned first son Coding unit) for, the method for the STMVP motion information of encoding device the first sub- coding unit of acquisition are as follows: encoding device obtains The motion information of the image block in the first sub- coding unit airspace adjacent (for example, top and left of the first sub- coding unit), and Obtain the fortune of the image block of the time domain adjacent (for example, the time domain in the first sub- coding unit lower left corner is adjacent) of the first sub- coding unit The motion information of the motion information of the adjacent image block in the airspace image block adjacent with time domain, is then averaging, obtains by dynamic information To the motion information of the first sub- coding unit.
Illustratively, as shown in Figure 10, image block 1 indicates that the first sub- coding unit, image block 2 and image block 3 are first The adjacent image block in the airspace of sub- coding unit, image block 4 are the image block adjacent with the first sub- coding unit time domain, and coding is set The fortune of the adjacent image block 3 of the motion information and time domain of the standby airspace for determining the image block 1 adjacent image block 2 and image block 3 Dynamic information, then encoding device seeks the average value of the motion information of image block 2, image block 3 and image block 4.
In the embodiment of the present invention, encoding device gets the motion information of all sub- coding units of current coded unit After (i.e. ATMVP motion information and STMVP motion information), what encoding device checked the motion information of all sub- coding units can With property and situation is repeated, and deletes not available motion information and duplicate motion information, then encoding device is by remaining fortune Dynamic information (motion information in addition to unavailable and duplicate motion information) is added in the first Candidate Motion information list.
If the length of S103c, motion information in the first Candidate Motion information list is encoded less than the first length threshold Equipment continues to obtain the motion information of the adjacent image block in airspace of current coded unit, and checks its availability and repeat feelings Condition, and motion information is added into the first Candidate Motion information list according to inspection result, otherwise directly execute S103d.
It include the candidate of current coded unit in the embodiment of the present invention, in the first Candidate Motion information list of encoding device Motion information, the also motion information of all sub- coding units including current coded unit, in the first Candidate Motion information list Motion information length be the first Candidate Motion information list in motion information quantity, the first length threshold be do not examining Consider under the premise of deleting unavailable and duplicate motion information, the movement of the first Candidate Motion information content and sub- coding unit is believed The quantity of breath, for example, above-mentioned encoding device obtains the motion information of the adjacent image block in 4 airspaces of current coded unit, that The Candidate Motion information content of current coded unit is 4, and the motion information for the sub- coding unit that encoding device obtains includes ATMVP and STMVP, then the quantity of the motion information of sub- coding unit is 2, in this way, the first of the first Candidate Motion information list Length threshold is 6, if encoding device moves one in 4 Candidate Motion information of current coded unit in S103a Information deletion, then the length of the first Candidate Motion information list is 3, then, in S103b, encoding device does not delete movement The first candidate fortune is added in 2 motion informations (i.e. ATMVP motion information and STMVP motion information) of sub- coding unit by information In dynamic information list, then the length of the first Candidate Motion information list is 5.
In the embodiment of the present invention, the length of the motion information in the first Candidate Motion information list is less than the first length threshold Value, shows the small number of the motion information in the first Candidate Motion information list, and then encoding device can continue to the New motion information is added in one Candidate Motion information list.
S103d, encoding device obtain the motion information of the adjacent image block of time domain of current coded unit, and are carried out The first Candidate Motion information list is added to after scaling.
Optionally, in the embodiment of the present invention, the adjacent image block of the time domain of current coded unit (i.e. in above-mentioned S103d Image block in the reference frame of one video frame) it can be the image block of some specific designated position, if the movement of the image block Information is not present, and can select in reference block corresponding with the position of current coded unit in the reference frame of the first video frame An image block, and the motion information of the image block is added to the first Candidate Motion information list.
It should be noted that in the embodiment of the present invention, the size of the adjacent image block of the time domain of above-mentioned current coded unit Can be identical as the size of current coded unit, can also be of different sizes with current coded unit, the embodiment of the present invention is not made It limits.
If the length of S103e, motion information in the first Candidate Motion information list is encoded less than the second length threshold Equipment fills the first Candidate Motion information list.
In the embodiment of the present invention, the second length threshold is referred in the Candidate Motion letter for not considering deletion current coded unit Breath and at least two sub- respective motion informations of coding unit, after S103d, the length of the first Candidate Motion information list. Illustratively, the quantity of the Candidate Motion information of current coded unit is 4 in above-mentioned S103a, at least two son in S103b The quantity of the respective motion information of coding unit is 2, then the second length threshold is 7.
In the embodiment of the present invention, encoding device determines that the length of the motion information in the first Candidate Motion information list is less than Second length threshold, then encoding device fills new motion information into the first Candidate Motion information list, so that first is candidate The length of motion information list is equal to the second length threshold.
Optionally, in the embodiment of the present invention, encoding device can use the motion information filling first that motion vector is (0,0) Candidate Motion information list, encoding device can also be according to the front and back video frames of first video frame at the place of current coded unit Determine motion information to be filled.Method for the filling of motion information is the common prior art, and details are not described herein again.
So far, encoding device gets the first Candidate Motion information list of current coded unit, thus the encoding device The predictive information of current coded unit can be determined according to the motion information in the first Candidate Motion information list.
S104, encoding device obtain the predictive information of current coded unit according to the first Candidate Motion information list.
Optionally, in conjunction with Fig. 9, as shown in figure 11, in the embodiment of the present invention, S104 can be realized by S104a-S104b:
S104a, encoding device determine first object Candidate Motion information in the first Candidate Motion information list.
In the embodiment of the present invention, after encoding device gets the first Candidate Motion information list, which can be with From the first Candidate Motion information list, optimal motion information (referred to as first object Candidate Motion information) is determined, it should First object Candidate Motion information is current to be determined according to all Candidate Motion information in the first Candidate Motion information list Residual error (the first i.e. above-mentioned residual information) the smallest Candidate Motion information of the predictive information of coding unit.
Optionally, in the embodiment of the present invention, encoding device can use the technology of rate-distortion optimization, from the first Candidate Motion First object Candidate Motion information is determined in information list.Specifically, encoding device can be according to the first Candidate Motion list In all Candidate Motion information rate distortion costs are calculated using following formula (2), then select rate distortion costs minimum Motion information as first object Candidate Motion information:
J=RAD+ λ R (2)
Wherein, J indicates rate distortion costs, and RAD indicates exhausted between the predictive information and raw information of current coded unit And, λ indicates Lagrange multiplier (λ can be preset constant) to error, the code rate of R expression video data.
In the embodiment of the present invention, encoding device according to each Candidate Motion information in the first Candidate Motion information list, Estimate the predictive information of current coded unit.Specifically, encoding device is according to the current volume in the first Candidate Motion information list The Candidate Motion information of code unit determines the predictive information of current coded unit, and encoding device is according to the first candidate fortune The motion information of sub- coding unit in dynamic information, such as according to the movement of all sub- coding units of the current coded unit letter Breath, determines the predictive information of each sub- coding unit, to obtain the predictive information of current coded unit, then encoding device Multiple predictive information rate distortion costs are calculated according to formula (2), select the smallest Candidate Motion information of rate distortion costs as the One target candidate motion information.
S104b, encoding device determine the predictive information of current coded unit according to first object Candidate Motion information.
In the embodiment of the present invention, encoding device determines the prediction of current coded unit according to first object Candidate Motion information Information is specifically as follows: encoding device is using the pixel value of the corresponding image block of first object Candidate Motion information as present encoding The predictive information of unit.
Optionally, in the embodiment of the present invention, in conjunction with Figure 11, as shown in figure 12, and after above-mentioned S104, the embodiment of the present invention The method of the processing video data of offer can also include S105:
The instruction information for being used to indicate first object Candidate Motion information is incorporated into current coded unit by S105, encoding device Code stream.
In the embodiment of the present invention, after encoding device is completed to the coding of current coded unit, encoding device can be by it really The instruction information of fixed first object Candidate Motion information is incorporated into code stream, in this way, receiving current coded unit in decoding coding When code stream after coding, decoding device can obtain the finger of the first object Candidate Motion information of current coded unit from code stream Show information.
Optionally, in the embodiment of the present invention, the instruction information of above-mentioned first object Candidate Motion information can for this first Index of the target candidate motion information in the first Candidate Motion information list, certainly, the finger of first object Candidate Motion information Show that information is also configured as the instruction information that other are satisfied the use demand, the embodiment of the present invention is not especially limited.
In the embodiment of the present invention, in conjunction with Fig. 9, after above-mentioned S104, processing video data provided in an embodiment of the present invention Method can also include S106:
S106, encoding device obtain the raw information of current coded unit.
S107, encoding device are according to the predictive information of current coded unit and the raw information of current coded unit, to working as Preceding coding unit coding.
In the embodiment of the present invention, during video data encoding, the raw information of current coded unit is known Information (true pixel values as in current coded unit), encoding device get current coded unit raw information it Afterwards, the predictive information of the raw information of current coded unit and current coded unit is subtracted each other, obtains the residual of current coded unit Poor information (referred to as the first residual information below), then encoding device encodes first residual information, obtains the second residual error Code stream after information, i.e. current coded unit are encoded.
Specifically, above-mentioned encoding device includes being converted (example to first residual information to the first residual information coding Such as discrete cosine transform (discrete cosine transformation, DCT) etc.), quantization and entropy coding, obtain second Residual information is to get the current coded unit to after encoding.
Optionally, in the embodiment of the present invention, encoding device sends out the information (i.e. code stream) of the current coded unit after coding Decoding device is given, in this way, decoding device can solve after decoding device receives the second residual information that encoding device is sent Code second residual information, restores the complete information of the corresponding current coded unit of the second residual information.
Optionally, in the embodiment of the present invention, encoding device determines the predictive information and the first residual error of current coded unit After information, encoding device can determine the reconstruction information of current coded unit.
In the embodiment of the present invention, encoding device the predictive information of current coded unit and above-mentioned encoding device are determined the One residual information is added, and obtains the reconstruction information of current coded unit, and the reconstruction information of the current coded unit is set for encoding For to other cell encodings (such as unit to be encoded is the first coding unit) to be encoded, which is to be encoded A coding unit in video frame.For example, if the first coding unit is next coding unit of current coded unit, coding During equipment encodes the first coding unit, when encoding device determines the predictive information of the first coding unit, it can will work as Reference information of the reconstruction information of preceding coding unit as the first coding unit.
In the embodiment of the present invention, during video data encoding, by above-mentioned S101, if encoding device determines currently The information of coding unit is unsatisfactory for sub- coding unit encoding and decoding condition, then illustrates that the size of current coded unit is smaller, coding is set It is standby to be not necessarily to current coded unit being divided at least two sub- coding units, it is determined further according to the motion information of sub- coding unit The predictive information of current coded unit, encoding device can determine the present encoding according to the motion information of current coded unit The predictive information of unit can so reduce encoding device to the complexity of video data encoding.
Specifically, in the embodiment of the present invention, in conjunction with Fig. 9, as shown in figure 13, if the information of current coded unit is unsatisfactory for son Coding unit encoding and decoding condition, then the method for processing video data provided in an embodiment of the present invention can also include S108-S110:
If the information of S108, current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, encoding device determines current Second motion information list of coding unit, the second Candidate Motion information list include the Candidate Motion letter of current coded unit Breath.
It wherein, does not include at least two sub- respective motion informations of coding unit in the second motion information list.
In the embodiment of the present invention, decoding device determines that the information of current coded unit meets sub- coding unit encoding and decoding item Part, then decoding device can know the length of the Candidate Motion information list of current decoding unit, for example, an in general, coding When the information of unit meets sub- coding unit encoding and decoding condition, the length of Candidate Motion information list can be 7, a coding When the information of unit is unsatisfactory for sub- coding unit encoding and decoding condition, the length of Candidate Motion information list can be 5.
Specifically, encoding device determines that the second Candidate Motion information list includes at least one for obtaining current coded unit Then at least one the Candidate Motion information is added to the first Candidate Motion information list, above-mentioned S108 by Candidate Motion information It can be realized by S108a-S108d:
S108a, encoding device obtain the motion information of the multiple images block adjacent with the current coded unit airspace, and examine It looks into the availability of the motion information of multiple image block and repeats situation, and according to inspection result to the of current coded unit Motion information is added in two Candidate Motion information lists.
Above-described embodiment of associated description in to(for) S103a may refer to for the specific descriptions of S108a, it is no longer superfluous herein It states.
If the length of S108b, motion information in the second Candidate Motion information list is less than third length threshold, encode Equipment continues to obtain the motion information of the adjacent image block in airspace of current coded unit, and checks its availability and repeat feelings Condition, and motion information is added into the second Candidate Motion information list according to inspection result, otherwise directly execute S108c.
In the embodiment of the present invention, third length threshold refers to not considering to delete the time that encoding device obtains in S108a In the case where selecting the motion information in motion information, the quantity of the Candidate Motion information of current coded unit.
Above-described embodiment of associated description in to(for) S103c specifically may refer to for other descriptions of S108b, herein not It repeats again.
S108c, encoding device obtain the motion information of the adjacent image block of time domain of current coded unit, and zoom in and out It is added to the second Candidate Motion information list later.
Above-described embodiment of associated description in to(for) S103d may refer to for the specific descriptions of S108c, it is no longer superfluous herein It states.
If the length of S108d, motion information in the second Candidate Motion information list is encoded less than the 4th length threshold Equipment fills the second Candidate Motion information list.
In the embodiment of the present invention, the 4th length threshold refers to determining in not considering deletion S108a and S108b current The Candidate Motion information of coding unit, after S108c, the length of the second Candidate Motion information list.If encoding device determines The length of motion information in second Candidate Motion information list is less than the 4th length threshold, then encoding device is transported to the second candidate New motion information is filled in dynamic information list, so that the length of the second Candidate Motion information list is equal to the 4th length threshold.
It is available to the second Candidate Motion information by above-mentioned S108a-S108d, so that the encoding device can basis Motion information in second Candidate Motion information list, determines the predictive information of current coded unit.
It should be noted that in the embodiment of the present invention, the second Candidate Motion information list and candidate in S103e in S108d Motion information list is different, includes the second Candidate Motion letter in S108d in the first Candidate Motion information list described in S103e The motion information of list is ceased, the Candidate Motion information list in S103e includes at least two sub- respective movement letters of coding unit The motion information of breath and current coded unit.
S109, encoding device determine the second target candidate motion information in the second Candidate Motion information list.
S110, encoding device determine the predictive information of current coded unit according to the second target candidate motion information.
Other descriptions for S109-S110, specifically may refer in above-described embodiment for the 104a- in S104 The associated description of S104b, details are not described herein again.
Optionally, in the embodiment of the present invention, in conjunction with Figure 13, after S110, processing video provided in an embodiment of the present invention The method of data can also include S111:
The instruction information for being used to indicate the second target candidate motion information is incorporated into current coded unit by S111, encoding device Code stream.
It should be noted that being unsatisfactory for sub- coding unit in the embodiment of the present invention in the information of current coded unit and compiling solution In the case where code-bar part, the predictive information of current coded unit can be determined by S108-S110, and can execute above-mentioned S106-S107, to be encoded to current coded unit.
In the embodiment of the present invention, video data encoding (compressing) is sent decoding device by encoding device afterwards, which sets For when playing the video data, first by the video data decoding after coding, decoded video data (i.e. original view is obtained Frequency evidence), then the decoding device can play the video data.
When being decoded using SMVP technology, as shown in figure 14, the method for processing video data provided in an embodiment of the present invention can To include S201-S204:
S201, decoding device determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition.
It should be noted that during decoding video data, above-mentioned sub- coding unit compiles solution in the embodiment of the present invention Code-bar part can be compiled to be identical as the sub- coding unit encoding and decoding condition during encoded video data with the son in S101 Code unit encoding and decoding condition is identical, therefore, may refer to the phase in above-described embodiment for S101 for the specific descriptions of S201 Description is closed, details are not described herein again.
If the information of S202, current coded unit meets sub- coding unit encoding and decoding condition, decoding device obtains at least two A respective motion information of sub- coding unit.
S203, decoding device determine current coded unit according at least two sub- respective motion informations of coding unit First Candidate Motion information list.
In the embodiment of the present invention, the specific descriptions of S201-S203 may refer in above-described embodiment for S101- The associated description of S102, details are not described herein again.
S204, decoding device obtain the predictive information of current coded unit according to the first Candidate Motion information list.
In the embodiment of the present invention, in conjunction with Figure 14, as shown in figure 15, S204 can specifically be realized by S204a-S204c:
S204a, decoding device acquisition are used to indicate first object Candidate Motion information in the first Candidate Motion information list Instruction information.
It is understood that encoding device is determined from the first Candidate Motion information list during above-mentioned coding Out after first object Candidate Motion information, encoding device can believe the instruction for being used to indicate first object Candidate Motion information Breath is incorporated into the code stream (code stream of the current coded unit after being incorporated into coding) of current coded unit, is then sent to decoding and sets It is standby, in this way, decoding device can be from the code stream of current coded unit after decoding device receives the code stream of current coded unit The middle instruction information for obtaining first object Candidate Motion information, in the finger of the instruction information of the first object Candidate Motion information Under showing, first object Candidate Motion information is determined.
For the specific descriptions of the instruction information of first object Candidate Motion information may refer in above-described embodiment for The associated description of S105, details are not described herein again.
S204b, decoding device are believed according to the instruction of the first Candidate Motion information list and first object Candidate Motion information Breath, determines first object Candidate Motion information.
S204c, decoding device determine the predictive information of current coded unit according to first object Candidate Motion information.
In the embodiment of the present invention, decoding device, can be under the instruction of the instruction information of first object Candidate Motion information First object Candidate Motion information is determined in the first Candidate Motion information list, to believe according to first object Candidate Motion Breath, determines the motion information of current coded unit.
Above-described embodiment of associated description in to(for) S104b may refer to for the specific descriptions of S204c, it is no longer superfluous herein It states.
Optionally, in the embodiment of the present invention, after above-mentioned S204, processing video data provided in an embodiment of the present invention Method can also include S205-S206:
S205, decoding device decode it and receive the code stream after current coded unit coding, obtain the first residual information.
Pair in the embodiment of the present invention, in the cataloged procedure of video data, encoding device encodes current coded unit, i.e., The first residual information coding in above-mentioned S107 obtains the second residual information (code stream i.e. after current coded unit coding), Code stream after encoding device encodes present encoding is sent to decoding device, and decoding device encodes it to the current coded unit Code stream decoding afterwards (including carries out entropy decoding, inverse quantization and contravariant to the second residual information to the decoding of the second residual information Change), obtain the first residual information.
S206, decoding device determine present encoding list according to the predictive information and the first residual information of current coded unit The reconstruction information of member.
In the embodiment of the present invention, the predictive information of current coded unit is added by decoding device with the first residual information, so Correlation filtering operation is carried out to sum of the two again afterwards, can be obtained the reconstruction information of current coded unit, i.e., the decoding device can To obtain the complete pixel information of current coded unit, and then decoding device can be believed by the reconstruction of all coding units of determination Breath, obtains the complete pixel information of video data to be decoded, in this way, decoding device can successfully playing video data.
In the embodiment of the present invention, in conjunction with Figure 15, as shown in figure 16, by above-mentioned S201, if decoding device determines current compile The information of code unit is unsatisfactory for sub- coding unit encoding and decoding condition, then the method for processing video data provided in an embodiment of the present invention Can also include S207-S210:
S207, decoding device determine the second Candidate Motion information list of current coded unit, the second Candidate Motion information List includes the Candidate Motion information of current coded unit.
Wherein, the second Candidate Motion information list does not include at least two sub- respective motion informations of coding unit.
In the embodiment of the present invention, for the method for determining second Candidate Motion information list, it may refer in above-mentioned S108 For determining the associated description of the method for the second Candidate Motion information list, details are not described herein again.
If the information of S208, current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, decoding device acquisition is used for Indicate the instruction information of the second target candidate motion information in the second Candidate Motion information list.
It is understood that during above-mentioned encoded video data, encoding device is from the second Candidate Motion information list In determine the second target candidate motion information after, encoding device can will be used to indicate the second target candidate motion information It indicates that information is incorporated into the code stream (code stream of the current coded unit after being incorporated into coding) of current coded unit, is then sent to solution Decoding apparatus, in this way, decoding device can be from current coded unit after decoding device receives the code stream of current coded unit The instruction information of the second target candidate motion information is obtained in code stream, in the instruction information of the second target candidate motion information Instruction under, determine the second target candidate motion information.
S209, decoding device are believed according to the instruction of the second Candidate Motion information list and the second target candidate motion information Breath, determines the second target candidate motion information.
S210, decoding device determine the predictive information of current coded unit according to the second target candidate motion information.
In the embodiment of the present invention, since decoding device determines the second target candidate motion information, and according to the second target Candidate Motion information determines in the predictive information and above-mentioned cataloged procedure of current coded unit that encoding device determines that the second target is waited Motion information is selected, and determines that the method for the predictive information of current coded unit is similar according to the second target candidate motion information, Therefore, the associated description in above-described embodiment for S109-S110 may refer to for the specific descriptions of S209-S210, herein It repeats no more.
It should be noted that being unsatisfactory for sub- coding unit in the embodiment of the present invention in the information of current coded unit and compiling solution In the case where code-bar part, the predictive information of current coded unit can be determined by S207-210, and can execute above-mentioned S205-S206, to be decoded to current coded unit.
In the embodiment of the present invention, in the case where the information of current coded unit meets sub- coding unit encoding and decoding condition, It can determine that first of the motion information including the respective motion information of at least two sub- coding units and current coded unit waits Motion information list is selected, and determines the predictive information of current coded unit according to the first Candidate Motion information list, is completed pair The encoding and decoding of current coded unit；In the case where the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, It can determine the first Candidate Motion information list of the motion information including current coded unit, and be believed according to the first Candidate Motion Breath list determines the predictive information of current coded unit, and the encoding and decoding to current coded unit are completed.
The method of processing video data provided in an embodiment of the present invention, can be applied to the process of video data encoding and decoding In, it can determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition first, if current coded unit Information meet sub- coding unit encoding and decoding condition, then obtain at least two sub- respective motion informations of coding unit, then root According at least two sub- respective motion informations of coding unit, determine include at least two sub- respective motion informations of coding unit and First Candidate Motion information list of the motion information of current coded unit is determined further according to the first Candidate Motion information list The predictive information of current coded unit.Compared with prior art, in the embodiment of the present invention, due to can be according to current coded unit Information whether meet sub- coding unit encoding and decoding condition, determine whether current to compile according to the actual conditions of current coded unit Code unit is divided into sub- coding unit and carries out encoding or decoding, and when the size of current coded unit is smaller, no longer needing to will be current Coding unit is divided into sub- coding unit, then carries out encoding or decoding, therefore, can reduce the complexity of video data encoding and decoding Degree.
Method two: the encoding and decoding of DMVD technology are used
In the embodiment of the present invention, description uses DMVD technology for encoding and decoded method respectively, compiles using DMVD technology When code, the method for processing video data provided in an embodiment of the present invention can be applied to encoding device, use DMVD technology solution When code, the method for processing video data provided in an embodiment of the present invention can be applied to decoding device.
Firstly, when using DMVD technology for encoding, as shown in figure 17, if the information of current coded unit meets sub- coding unit Encoding and decoding condition, encoding device can also use DMVD technology, obtain at least two sub- respective motion informations of coding unit, with Determine the predictive information of current coded unit.Specifically, determining the side of the predictive information of current coded unit using DMVD technology Method may include S301-S303:
S301, encoding device determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition.
For the specific descriptions of S301, the above-mentioned associated description for S101 or S201 may refer to, details are not described herein again.
If the information of S302, current coded unit meets sub- coding unit encoding and decoding condition, encoding device obtains at least two A respective motion information of sub- coding unit.
As shown in figure 18 in conjunction with Figure 17 in the embodiment of the present invention, S302 can specifically be realized by S3021-S3022:
S3021, encoding device obtain the motion information of current coded unit.
S3021 can specifically be realized by S3021a-S3021c:
The initial ranging list of S3021a, encoding device building current coded unit.
S3021b, encoding device determine initial search point according to the initial ranging list of current coded unit.
In the embodiment of the present invention, encoding device can be by the motion information of some image blocks adjacent with current coded unit As the initial ranging list of current coded unit, then encoding device determines that a motion information is made from initial ranging list For the initial search point of current coded unit.
Specifically, encoding device determines a motion information as the initial of current coded unit from initial ranging list The method of Searching point may include: encoding device according to all motion informations and search pattern in initial ranging list, use The matched method of estimation selects the corresponding motion information of the smallest template of matching error, and the matching error is the smallest The corresponding motion information of template is as initial search point.Specifically, each of search start list motion information can be right A template is answered, and estimates the information of ground current coded unit according to all templates, by the letter of the current coded unit of estimation Motion information corresponding with the smallest template of error between current coded unit raw information is ceased as initial search point.
S3021c, encoding device, using relevant searching algorithm, determine current coded unit using initial search point as starting point Motion information.
In the embodiment of the present invention, encoding device can use relevant search algorithm (such as diamond search algorithm), and determination is worked as The motion information of preceding coding unit.
Illustratively, as shown in figure 19, initial search point O, using initial search point O as the central point of diamond shape, along level Direction and vertical direction can be determined with preset step-length (step-length of step-length and vertical direction including horizontal direction) extension Then this four points are connected in turn by four points, respectively D1, D2, D3 and D4, obtain diamond shape D1D2D3D4, and really The midpoint on four sides of fixed diamond shape D1D2D3D4, i.e. the midpoint D5 of side D1D2, the midpoint D7 of the midpoint D6 of side D2D3, side D3D4 With the midpoint D8 of side D4D1, in this way, this 9 points of available D1, D2, D3, D4, D5, D6, D7, D8 and O, this 9 points indicate 9 A motion information, so that encoding device determines a motion information, the fortune as current coded unit from this 9 motion informations Dynamic information.
It should be noted that in the embodiment of the present invention, movement that encoding device is searched from above-mentioned diamond search algorithm A motion information is determined in information (such as determining 9 motion informations searched in above-mentioned example as shown in figure 19) Method determines that the method for a motion information is identical, specifically may refer to above-mentioned with above-mentioned encoding device from initial ranging list For the associated description of S3021b in embodiment, details are not described herein again.
S3022, encoding device are respectively that at least two sub- coding units are respective with the motion information of current coded unit Initial motion information carries out motion search, to obtain at least two sub- respective motion informations of coding unit.
In the embodiment of the present invention, encoding device can determine the present encoding according to the motion information of current coded unit All sub- respective motion informations of coding unit of unit.With one of current coded unit coding unit (such as the first son Coding unit) for, the method that encoding device obtains the motion information of the first sub- coding unit may include:
S3022a, encoding device are calculated using the motion information of current coded unit as initial search point using relevant search Method (such as positive Cross Search algorithm), determines the motion information of the first sub- coding unit.
Illustratively, as shown in figure 20, initial search point O1, the point centered on initial search point O1, in the horizontal direction With vertical direction with preset step-length (step-length of step-length and vertical direction including horizontal direction) extension, four can be determined Point, respectively E1, E2, E3 and E4, in this way, this 5 points of available E1, E2, E3, E4 and O, this 5 points indicate 5 movement letters Breath, so that encoding device determines a motion vector from this 5 motion vectors, the movement as the first sub- coding unit is sweared Amount.
It is understood that encoding device can determine all sub- coding lists of current coded unit by above-mentioned S3022a The respective motion information of member, that is, determine the above-mentioned at least two sub- respective motion informations of coding unit.
It should be noted that encoding device uses some searching algorithm in the embodiment of the present invention, determine that a coding is single The motion information of member, or according to some searching algorithm, determine the motion information of a sub- coding unit, then decoding device Using corresponding searching algorithm, the motion information of coding unit is determined, or determine the motion information of sub- coding unit.
S303, encoding device determine current coded unit according at least two sub- respective motion informations of coding unit Predictive information.
In the embodiment of the present invention, after encoding device obtains at least two sub- respective motion informations of coding unit, coding Equipment can determine the pre- of each sub- coding unit according to the motion information of each sub- coding unit of current coded unit Measurement information may thereby determine that the predictive information of the current coded unit.
It should be noted that in the embodiment of the present invention, after encoding device determines the predictive information of current coded unit, The encoding device can execute above-mentioned S106-S107, to encode to current coded unit.
In the embodiment of the present invention, in conjunction with Figure 17, as shown in figure 21, by above-mentioned S301, if the information of current coded unit It is unsatisfactory for sub- coding unit encoding and decoding condition, then the method for processing video data provided in an embodiment of the present invention can also include S304-S305:
If the information of S304, current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, encoding device obtains current The motion information of coding unit.
Above-described embodiment of associated description in to(for) S3021 may refer to for the specific descriptions of S304, it is no longer superfluous herein It states.
S305, encoding device determine the predictive information of current coded unit according to the motion information of current coded unit.
Similarly, in the case where the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, encoding device After the predictive information for determining current coded unit, above-mentioned S103-S107 can be executed, to encode to current coded unit.
When being decoded using DMVD technology, the method for processing video data provided in an embodiment of the present invention may include S401- S403:
S401, decoding device determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition.
Above-described embodiment of associated description in to(for) S101, S201 or S301 may refer to for the specific descriptions of S401, Details are not described herein again.
If the information of S402, current coded unit meets sub- coding unit encoding and decoding condition, decoding device obtains at least two A respective motion information of sub- coding unit.
S403, decoding device determine current coded unit according at least two sub- respective motion informations of coding unit Predictive information.
In the embodiment of the present invention, during carrying out video data encoding and decoding using DMVD technology, decoding device Determine that the method for the predictive information of current coded unit and encoding device determine that the method for current coded unit predictive information is similar, Therefore, the associated description for S301-S303 may refer to for the specific descriptions of S401-S403, details are not described herein again.
It should be noted that can determine the prediction of current coded unit by S401-403 in the embodiment of the present invention Information, and above-mentioned S205-S206 can be executed, to be decoded to current coded unit.
In the embodiment of the present invention, by above-mentioned S401, if decoding device determines that the information of current coded unit is unsatisfactory for son Coding unit encoding and decoding condition, then the method for processing video data provided in an embodiment of the present invention can also include S404-S405:
S404, decoding device obtain the motion information of current coded unit.
S405, decoding device determine the predictive information of current coded unit according to the motion information of current coded unit.
Above-described embodiment of associated description in to(for) S304-305 may refer to for the specific descriptions of S404-S405, this Place repeats no more.
Similarly, in the case where the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, decoding device After the predictive information for determining current coded unit, above-mentioned S205-S206 can be executed, to decode to current coded unit.
Method three: non-translation motion model encoding and decoding are used
In the embodiment of the present invention, if the information of current coded unit meets sub- coding unit encoding and decoding condition, coding is set It is standby at least two sub- respective motion informations of coding unit to be obtained using the method for non-translation motion model, worked as with determination The motion information of preceding coding unit.Common non-translation motion model includes 6 parameter affine transform types and 4 parameter affine transform moulds Type, the embodiment of the present invention illustrate the method for determining the predictive information of current coded unit by taking 4 parameter affine transform models as an example.
In the embodiment of the present invention, when being encoded using non-translation motion model, processing video counts provided in an embodiment of the present invention According to method may include S501-S503:
S501, encoding device determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition.
Above-described embodiment of correlation in to(for) S101, S201, S301 or S401 may refer to for the specific descriptions of S501 Description, details are not described herein again.
If the information of S502, current coded unit meets sub- coding unit encoding and decoding condition, encoding device obtains at least two A respective motion information of sub- coding unit.
In the embodiment of the present invention, as shown in figure 22, above-mentioned S502 can specifically be realized by S502a-S502b:
S502a, encoding device obtain the motion information of at least two location of pixels of current coded unit.
In the embodiment of the present invention, encoding device can be according to the image block of (airspace is adjacent) adjacent with the current coded unit The motion information of the coding unit at place determines the motion information of each sub- coding unit of the current coded unit.Specifically , coding unit first according to the motion information of the coding unit where the image block adjacent with current coded unit, work as by determination The motion information of at least two location of pixels of preceding coding unit.Below to determine the upper left corner and the upper right corner of current coded unit Two location of pixels motion information for illustrate that encoding device determines at least two location of pixels of current coded unit The method of motion information.
Illustratively, as shown in figure 23, image block m1 is the adjacent image block of current coded unit in Figure 23, and M is image Encoded coding unit where block m1, the coordinate of the pixel in the upper left corner of the M1 are (x2,y2), the movement arrow of the pixel Amount is (vx2,vy2), the coordinate of the pixel in the upper right corner of M1 is (x3,y3), the motion vector of the pixel is (vx3,vy3), M1 The lower left corner pixel coordinate be (x4,y4), the motion vector of the pixel is (vx4,vy4)；The coding of current coded unit The coordinate of the pixel in the unit upper left corner is (x0,y0), the coordinate of the pixel in the coding unit upper right corner of current coded unit is (x1, y1), the motion vector (vx of the pixel in the upper left corner of current coded unit can be determined according to following formula (3)0,vy0) and root According to the motion vector (vx of the pixel in the upper right corner of formula (4) current coded unit1,vy1):
Wherein, h is the height of M1, and w is the width of M1.
Wherein, WcFor the width of current coded unit.
S502b, encoding device determine at least two according to the motion information of at least two location of pixels of current coded unit A respective motion information of sub- coding unit.
In the embodiment of the present invention, still believed with the movement of two location of pixels in the upper left corner of current coded unit and the upper right corner For breath, the pixel (x in the upper left corner of current coded unit is determined according to above-mentioned formula (3) and formula (4)0,y0) movement Pixel (the x in the upper right corner of vector sum current coded unit1,y1) motion vector after, can according to formula (5) determine extremely Few two sub- respective motion vectors of coding unit:
Wherein, (x, y) is the coordinate of a sub- coding unit.
It optionally, can be using the coordinate of the central pixel point of sub- coding unit as the sub- coding in the embodiment of the present invention The coordinate of unit.
It is understood that by the way that the coordinate of each sub- coding unit at least two sub- coding units is substituted into respectively To in formula (5), at least two sub- respective motion informations of coding unit can be determined.
S503, encoding device determine current coded unit according at least two sub- respective motion informations of coding unit Predictive information.
Above-described embodiment of associated description in to(for) S303 may refer to for the specific descriptions of S503, it is no longer superfluous herein It states.
Optionally, in the embodiment of the present invention, in conjunction with Figure 22, as shown in figure 24, and after above-mentioned S503, the embodiment of the present invention The method of the processing video data of offer can also include S504-S505:
S504, encoding device determine the prediction mode of current coded unit according to the predictive information of current coded unit.
In the embodiment of the present invention, when encoding device is to video data encoding, the information of current coded unit meets son coding Unit encoding and decoding condition, after which is divided at least two sub- coding units for current coded unit, encoding device The methods of above-mentioned SMVP technology, DMVD technology and non-translation motion model (being properly termed as prediction mode) can be respectively adopted first The predictive information for predicting current coded unit respectively, determines any side in three kinds of coding methods further according to rate-distortion optimization technology The rate distortion costs of method are minimum, then use a kind of the smallest coding method encoded video data of rate distortion costs, and rate is distorted The smallest prediction mode of cost is determined as the prediction mode of current coded unit.
Prediction mode instruction information is incorporated into the code stream of current coded unit, prediction mode instruction by S505, encoding device Whether the prediction mode that the value of information is used to indicate current coded unit is affine transformation mode.
In the embodiment of the present invention, the prediction mode instruction information of current coded unit is incorporated into present encoding list by encoding device The code stream of member, in this way, decoding device can refer to according to prediction mode after decoding device receives the code stream of current coded unit Show information, knows whether the prediction mode of current coded unit is affine transformation mode.
It is understood that in the embodiment of the present invention, after encoding device determines the predictive information of current coded unit, The encoding device can execute above-mentioned S106-S107, to encode to current coded unit.
It should be noted that in the embodiment of the present invention, since non-translation motion model is only used for obtaining sub- coding unit Motion information, therefore, if the information of current coded unit is unsatisfactory for sub- coding unit encoding and decoding condition, encoding device cannot be adopted The motion information of current coded unit is determined with the method for non-translation motion model, which can determine using other The method of the motion information of coding unit determines the motion information of current coded unit.
Optionally, in conjunction with Figure 22, as shown in figure 25, sub- coding unit encoding and decoding are unsatisfactory in the information of current coded unit In the case where condition, the method for processing video data provided in an embodiment of the present invention can also include S506:
S506, encoding device determine the predictive information of current coded unit according to candidate modes set, and the candidate is pre- Surveying set of modes does not include affine transformation mode.
In the embodiment of the present invention, above-mentioned candidate modes set may include the prediction mould using SMVP technology for encoding Formula, using the prediction mode of DMVD technology for encoding, also with include other be used for predict current coded unit predictive information it is pre- Survey mode, the embodiment of the present invention are not especially limited.Sub- coding unit encoding and decoding item is unsatisfactory in the information of current coded unit In the case where part, encoding device can determine current coded unit using a certain method in candidate modes set Predictive information, and above-mentioned S106-S107 can be executed, to be encoded to current coded unit.
When being decoded using non-translation motion model, the method for processing video data provided in an embodiment of the present invention may include S601-S603:
S601, decoding device determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition.
The specific descriptions of S601 may refer in above-described embodiment, for S101, S201, S301, S401 or S501 Associated description, details are not described herein again.
If the information of S602, current coded unit meets sub- coding unit encoding and decoding condition, decoding obtains at least two sons The respective motion information of coding unit.
In the embodiment of the present invention, as shown in figure 26, above-mentioned S602 can specifically be realized by S602a-S602c:
S602a, decoding device obtain prediction mode and indicate that information, the value of prediction mode instruction information are used to indicate currently Whether the prediction mode of coding unit is affine transformation mode.
In the embodiment of the present invention, in the above-described embodiments, since prediction mode can be indicated that information is incorporated by encoding device The code stream of current coded unit, thus decoding device can receive from it current coded unit coding after code stream in obtain The prediction mode of current coded unit indicates information, and indicates that information determines whether using non-translational motion mould according to prediction mode The affine transformation mode of type determines the predictive information of current coded unit.
If S602b, prediction mode indicate that the value instruction current prediction mode of information is affine transformation mode, decoding device is obtained Take the motion information of at least two location of pixels of current coded unit.
S602c, decoding device determine that at least two sub- coding units are each according to the motion information of at least two location of pixels From motion information.
The correlation that may refer in above-described embodiment for S502a-S502b for the specific descriptions of S602b-S602c is retouched It states, details are not described herein again.
S603, decoding device determine current coded unit according at least two sub- respective motion informations of coding unit Predictive information.
Above-described embodiment of associated description in to(for) S403 may refer to for the specific descriptions of S603, it is no longer superfluous herein It states.
It should be noted that decoding device determines that the information of current coded unit is unsatisfactory for sub- volume in the embodiment of the present invention When code unit encoding and decoding condition, decoding device can use unless the other methods except translational motion model are (with encoding device The corresponding coding/decoding method of cataloged procedure), the motion information of current coded unit is obtained, and determine the prediction of current coded unit Information.
The method of processing video data provided in an embodiment of the present invention, can be applied to the process of video data encoding and decoding In, it is first determined whether the information of current coded unit meets sub- coding unit encoding and decoding condition, if the current coded unit Information meets sub- coding unit encoding and decoding condition, then obtains at least two sub- respective motion informations of coding unit, then root again According at least two sub- respective motion informations of coding unit, the predictive information of current coded unit is determined, and complete current compile The coding of code unit or decoding.Compared with prior art, in the embodiment of the present invention, due to that can determine the letter of current coded unit Whether breath meets sub- coding unit encoding and decoding condition, and is determined whether according to the actual conditions of current coded unit by present encoding Unit is divided into sub- coding unit and carries out encoding or decoding, when the size of current coded unit is smaller, no longer needs to compile current Code unit is divided into sub- coding unit, then carries out encoding or decoding, therefore, can reduce the complexity of video data encoding and decoding.
It is above-mentioned that mainly scheme provided in an embodiment of the present invention is described from the angle of each network element.It is understood that It is each network element, such as device for handling video data etc. is in order to realize the above functions, it comprises executing, each function is corresponding Hardware configuration and/or software module.Those skilled in the art should be readily appreciated that, in conjunction with implementation disclosed herein Each exemplary unit and algorithm steps of example description, the embodiment of the present invention can be with the combination of hardware or hardware and computer software Form is realized.Some functions is executed in a manner of hardware or computer software driving hardware actually, depends on technical side The specific application and design constraint of case.Professional technician can carry out each specific application to come using distinct methods real Existing described function, but this realization is it is not considered that exceed scope of the present application.
The embodiment of the present invention can carry out functional module according to device etc. of the above method example to processing video data It divides, for example, each functional module of each function division can be corresponded to, two or more functions can also be integrated in In one processing module.Above-mentioned integrated module both can take the form of hardware realization, can also use software function module Form realize.It should be noted that being schematical, only a kind of logic function to the division of module in the embodiment of the present invention It can divide, there may be another division manner in actual implementation.
In the case where each function division of use correspondence each functional module, Figure 27 shows involved in above-described embodiment And processing video data device a kind of possible structural schematic diagram, as shown in figure 27, the apparatus may include: determine mould Block 30 and acquisition module 31.Determining module 30 can be used for that the device of processing video data is supported to execute in above method embodiment S101, S103, S104 (including S104a-S104b), S108, S109, S110, S201, S203, S204 (including S204b- S204c)、S206、S207、S209、210、S301、S303、S305、S401、S403、S405、S501、S503、S504、S506、 S601 and S603；Obtaining module 31 can be used for that the device of processing video data is supported to execute in above method embodiment S102, S106, S202, S204a, S208, S302 (including S3021-S3022), S304, S402, S404, S502 (including ) and S602 (including S602a-S602c) S502a-S502b.Optionally, as shown in figure 19, the device of the processing video data is also It may include coding module 32 and decoder module.Coding module 32 can be used for supporting that the device of processing video data executes above-mentioned S105, S107, S111 and S505 in embodiment of the method.Decoder module can be used for that the device of processing video data is supported to execute Wherein, all phases for each step that above method embodiment is related to are inside the Pass by S205, S107 and S111 in above method embodiment Hold the function description that can quote corresponding function module, details are not described herein.
Using integrated unit, Figure 28 shows processing video data involved in above-described embodiment A kind of possible structural schematic diagram of device.As shown in figure 28, the apparatus may include processing module 40 and communication modules 41. Processing module 40 can be used for carrying out control management to the movement of the device of processing video data, and processing module 40 can be used for propping up Hold processing video data device execute above method embodiment in each encoding device or decoding device execute it is each Step, and/or other processes for techniques described herein.Communication module 41 can be used for supporting processing video data The communication of device and other network entities.Optionally, as shown in figure 28, the device of the processing video data can also include storage Module 42, for storing the program code and data of encoding device.
Wherein, processing module 40, which can be processor or controller, (such as can be above-mentioned Video coding as shown in Figure 7 Device 11 and Video Decoder 21 as shown in Figure 8), for example, can be CPU, general processor, DSP, ASIC, FPGA or other Programmable logic device, transistor logic, hardware component or any combination thereof.It, which may be implemented or executes, combines this hair Various illustrative logic blocks, module and circuit described in bright embodiment disclosure.Above-mentioned processor is also possible to reality The combination of existing computing function, such as combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication Module 51, which can be transceiver, transmission circuit or communication interface etc., (such as can be above-mentioned 12 He of output interface as shown in Figure 7 Input interface 20 as shown in Figure 8).Memory module 42 can be memory.
When processing module 40 is processor, communication module 41 is transceiver, when memory module 42 is memory, processor, Transceiver can be connected with memory by bus.Bus can be Peripheral Component Interconnect standard (peripheral Component interconnect, PCI) bus or expanding the industrial standard structure (extended Industry standard Architecture, EISA) bus etc..Bus can be divided into address bus, data/address bus, control bus etc..
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer journey Sequence product includes one or more computer instructions.It is all or part of when loading and execute on computers the computer instruction Ground is generated according to the process or function in the embodiment of the present invention.The computer can be general purpose computer, special purpose computer, calculating Machine network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or from one A computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be from one A web-site, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (digital subscriber line, DSL)) mode or wireless (such as infrared, wireless, microwave etc.) mode be to another net Website, computer, server or data center's transmission.The computer readable storage medium can be what computer can access Any usable medium either includes the data storage devices such as one or more usable mediums integrated server, data center. The usable medium can be magnetic medium (for example, floppy disk, disk, tape), optical medium (for example, digital video disk (digital video disc, DVD)) or semiconductor medium (such as solid state hard disk (solid state drives, SSD)) etc..
Through the above description of the embodiments, it is apparent to those skilled in the art that, for description It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can according to need and will be upper It states function distribution to be completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, to complete All or part of function described above.The specific work process of the system, apparatus, and unit of foregoing description, before can referring to The corresponding process in embodiment of the method is stated, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or The division of unit, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, device or unit Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Change or replacement within the technical scope of the present application should all be covered within the scope of protection of this application.Therefore, this Shen Protection scope please should be based on the protection scope of the described claims.

Claims (30)

1. a kind of method for handling video data, which is characterized in that
Determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition, the information of the current coded unit Meeting the sub- coding unit encoding and decoding condition includes that the information of the current coded unit meets at least one in following conditions :
The dimension information of the current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with the current coded unit is according to the adjacent coding unit The motion information of sub- coding unit obtain；
If it is determined that the information of current coded unit meets the sub- coding unit encoding and decoding condition, it is single to obtain at least two son codings The respective motion information of member, at least two sub- coding unit are the son coding obtained after the current coded unit is divided Unit；
According to the described at least two sub- respective motion informations of coding unit, the first candidate fortune of the current coded unit is determined Dynamic information list, the first Candidate Motion information list include the respective motion information of at least two sub- coding units and described The Candidate Motion information of current coded unit；
According to the first Candidate Motion information list, the predictive information of the current coded unit is obtained.
2. the method according to claim 1, wherein
It includes the present encoding list that the dimension information of the current coded unit, which meets sub- coding unit encoding and decoding size condition, The dimension information of member meets any one in following conditions:
The pixel quantity of the current coded unit is more than or equal to first threshold；
The ratio of the pixel quantity of the pixel quantity of the current coded unit and the first sub- coding unit is more than or equal to the Two threshold values, the first sub- coding unit are a sub- coding unit in described at least two sub- coding units；
Being wider than of the current coded unit be perhaps equal to third threshold value or the current coded unit it is tall and big in or wait In the 4th threshold value.
3. method according to claim 1 or 2, which is characterized in that the method is applied to decoding device, described according to institute The first Candidate Motion information list is stated, the predictive information of the current coded unit is obtained, comprising:
Obtain the instruction information for the first object Candidate Motion information being used to indicate in the first Candidate Motion information list；
According to the instruction information of the first Candidate Motion information list and the first object Candidate Motion information, first is determined Target candidate motion information；
According to the first object Candidate Motion information, the predictive information of the current coded unit is determined.
4. according to claim 1 to method described in 3 any one, which is characterized in that the method is applied to decoding device, if The information of the current coded unit is unsatisfactory for the sub- coding unit encoding and decoding condition, the method also includes:
Determine that the second Candidate Motion information list of the current coded unit, the second Candidate Motion information list include institute State the Candidate Motion information of current coded unit；
Obtain the instruction information for the second target candidate motion information being used to indicate in the second Candidate Motion information list；
According to the instruction information of the second Candidate Motion information list and the second target candidate motion information, second is determined Target candidate motion information；
According to the second target candidate motion information, the predictive information of the current coded unit is determined.
5. method according to claim 1 or 2, which is characterized in that the method is applied to encoding device, described according to institute The first Candidate Motion information list is stated, the predictive information of the current coded unit is obtained, comprising:
The first object Candidate Motion information is determined in the first Candidate Motion information list；
According to the first object Candidate Motion information, the predictive information of the current coded unit is determined.
6. method described according to claim 1 or 2 or 5, which is characterized in that the method is applied to encoding device, if described The information of current coded unit is unsatisfactory for the sub- coding unit encoding and decoding condition, the method also includes:
Determine that the second Candidate Motion information list of the current coded unit, the second Candidate Motion information list include institute State the Candidate Motion information of current coded unit；
The second target candidate motion information is determined in the second Candidate Motion information list；
According to the second target candidate motion information, the predictive information of the current coded unit is determined.
7. method according to claim 5 or 6, which is characterized in that the method is applied to encoding device, and the method is also Include:
The instruction information for being used to indicate target candidate motion information is incorporated into the code stream of the current coded unit.
8. a kind of method for handling video data, which is characterized in that
Determine whether the information of current coded unit meets sub- coding unit encoding and decoding condition, the information of the current coded unit Meeting the sub- coding unit encoding and decoding condition includes that the information of the current coded unit meets at least one in following conditions :
The dimension information of the current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with the current coded unit is according to the adjacent coding unit The motion information of sub- coding unit obtain；
If the information of the current coded unit meets the sub- coding unit encoding and decoding condition, it is single to obtain at least two son codings The respective motion information of member, at least two sub- coding unit are the son coding obtained after the current coded unit is divided Unit；
According to the described at least two sub- respective motion informations of coding unit, the predictive information of the current coded unit is obtained.
9. according to the method described in claim 8, it is characterized in that, at least two sub- respective movements of coding unit of the acquisition Information, comprising:
Obtain the motion information of the current coded unit；
It is respectively the described at least two sub- respective initial motion letters of coding unit with the motion information of the current coded unit Breath carries out motion search, to obtain the described at least two sub- respective motion informations of coding unit.
10. method according to claim 8 or claim 9, which is characterized in that if the information of the current coded unit is unsatisfactory for institute Sub- coding unit encoding and decoding condition is stated, the method also includes:
Obtain the motion information of the current coded unit；
According to the motion information of the current coded unit, the predictive information of the current coded unit is determined.
11. according to the method described in claim 8, the acquisition is at least it is characterized in that, the method is applied to decoding device Two sub- respective motion informations of coding unit, comprising:
It obtains prediction mode and indicates that information, the value of the prediction mode instruction information are used to indicate whether the prediction mode is imitative Penetrate pattern conversion；
If the value instruction current prediction mode of the prediction mode instruction information is affine transformation mode, the present encoding is obtained The motion information of at least two location of pixels of unit；
According to the motion information of at least two location of pixels, the described at least two sub- respective movement letters of coding unit are determined Breath.
12. according to the method described in claim 8, the acquisition is at least it is characterized in that, the method is applied to encoding device Two sub- respective motion informations of coding unit, comprising:
Obtain the motion information of at least two location of pixels of the current coded unit；
According to the motion information of at least two location of pixels, the described at least two sub- respective movement letters of coding unit are determined Breath.
13. the method according to claim 8 or 12, which is characterized in that the method is applied to encoding device, the method Further include:
According to the predictive information of the current coded unit, the prediction mode of the current coded unit is determined；
Prediction mode instruction information is incorporated into the code stream of the current coded unit, the value of the prediction mode instruction information It is used to indicate whether the prediction mode is affine transformation mode.
14. according to method described in claim 8 or 12 or 13, which is characterized in that the method is applied to encoding device, if institute The information for stating current coded unit is unsatisfactory for the sub- coding unit encoding and decoding condition, the method also includes:
According to candidate modes set, the predictive information of the current coded unit, the candidate modes set are determined It does not include the affine transformation mode.
15. a kind of device for handling video data, which is characterized in that including determining module and obtain module；
The determining module, it is described for determining whether the information of current coded unit meets sub- coding unit encoding and decoding condition The information of current coded unit meets the information that the sub- coding unit encoding and decoding condition includes the current coded unit and meets At least one of in following conditions:
The dimension information of the current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with the current coded unit is according to the adjacent coding unit The motion information of sub- coding unit obtain；
The acquisition module is compiled for determining that the information of current coded unit meets the sub- coding unit in the determining module In the case where decoding condition, at least two sub- respective motion informations of coding unit, at least two sub- coding unit are obtained The sub- coding unit obtained after divided for the current coded unit；
The determining module is also used to the described at least two sub- respective movements of coding unit obtained according to the acquisition module Information determines that the first Candidate Motion information list of the current coded unit, the first Candidate Motion information list include The Candidate Motion information of at least two sub- coding unit respective motion informations and the current coded unit, and according to described First Candidate Motion information list, obtains the predictive information of the current coded unit.
16. device according to claim 15, which is characterized in that the dimension information of the current coded unit meets son and compiles Code unit encoding and decoding size condition includes that the dimension information of the current coded unit meets any one in following conditions:
The pixel quantity of the current coded unit is more than or equal to first threshold；
The ratio of the pixel quantity of the pixel quantity of the current coded unit and the first sub- coding unit is more than or equal to the Two threshold values, the first sub- coding unit are a sub- coding unit in described at least two sub- coding units；
Being wider than of the current coded unit be perhaps equal to third threshold value or the current coded unit it is tall and big in or wait In the 4th threshold value.
17. device according to claim 15 or 16, which is characterized in that described device is decoding device；
The acquisition module is also used to obtain the first object candidate fortune being used to indicate in the first Candidate Motion information list The instruction information of dynamic information；
The determining module is specifically used for being believed according to the first Candidate Motion information list and the first object Candidate Motion The instruction information of breath determines first object Candidate Motion information, and according to the first object Candidate Motion information, determines institute State the predictive information of current coded unit.
18. device described in 5 to 17 any one according to claim 1, which is characterized in that described device is decoding device；
The determining module is also used to be unsatisfactory for the sub- coding unit encoding and decoding condition in the information of the current coded unit In the case where, determine the second Candidate Motion information list of the current coded unit, the second Candidate Motion information list Candidate Motion information including the current coded unit；
The acquisition module is also used to obtain the second target candidate fortune being used to indicate in the second Candidate Motion information list The instruction information of dynamic information；
The determining module is also used to according to the second Candidate Motion information list and described for obtaining module and obtaining The instruction information of two target candidate motion informations determines the second target candidate motion information, and is waited according to second target Motion information is selected, determines the predictive information of the current coded unit.
19. device according to claim 15 or 16, which is characterized in that described device is encoding device；
The determining module, specifically for determining described the in the first Candidate Motion information list that the acquisition module obtains One target candidate motion information, and according to the first object Candidate Motion information, determine the pre- of the current coded unit Measurement information.
20. device described in 5 or 16 or 19 according to claim 1, which is characterized in that described device is encoding device；
The determining module is also used to be unsatisfactory for the sub- coding unit encoding and decoding condition in the information of the current coded unit In the case where, determine the second Candidate Motion information list of the current coded unit, and believe in second Candidate Motion Cease and determine the second target candidate motion information in list, and according to the second target candidate motion information, determine described in work as The predictive information of preceding coding unit, the second Candidate Motion information list include the Candidate Motion letter of the current coded unit Breath.
21. device described in 9 or 20 according to claim 1, which is characterized in that described device is encoding device, and the coding is set Standby further includes coding module；
The coding module, for the instruction information for being used to indicate target candidate motion information to be incorporated into the current coded unit Code stream.
22. a kind of device for handling video data, which is characterized in that including determining module and obtain module；
The determining module, it is described for determining whether the information of current coded unit meets sub- coding unit encoding and decoding condition The information of current coded unit meets the information that the sub- coding unit encoding and decoding condition includes the current coded unit and meets At least one of in following conditions:
The dimension information of the current coded unit meets sub- coding unit encoding and decoding size condition；
The predictive information of at least one coding unit adjacent with the current coded unit is according to the adjacent coding unit The motion information of sub- coding unit obtain；
The acquisition module, for determining that the information of the current coded unit meets the sub- coding list in the determining module In the case where first encoding and decoding condition, at least two sub- respective motion informations of coding unit, at least two sons coding are obtained Unit is the sub- coding unit obtained after the current coded unit is divided；
The determining module is also used to the described at least two sub- respective movements of coding unit obtained according to the acquisition module Information obtains the predictive information of the current coded unit.
23. device according to claim 22, which is characterized in that
The acquisition module, specifically for obtaining the motion information of the current coded unit, and respectively with the current volume The motion information of code unit is that the described at least two sub- respective initial motion information of coding unit carry out motion search, to obtain To the described at least two sub- respective motion informations of coding unit.
24. the device according to claim 22 or 23, which is characterized in that
The acquisition module is also used to be unsatisfactory for the sub- coding unit encoding and decoding item in the information of the current coded unit Part obtains the motion information of the current coded unit；
The determining module, the motion information for the current coded unit for being also used to be obtained according to the acquisition module, determines The predictive information of the current coded unit.
25. device according to claim 22, which is characterized in that described device is decoding device；
The acquisition module is specifically used for obtaining prediction mode instruction information, and in the value of prediction mode instruction information In the case where indicating that current prediction mode is affine transformation mode, at least two location of pixels of the current coded unit are obtained Motion information, and according to the motion information of at least two location of pixels, determine described at least two sub- coding units The value of respective motion information, the prediction mode instruction information is used to indicate whether the prediction mode is affine transformation mould Formula.
26. device according to claim 22, which is characterized in that described device is encoding device；
The acquisition module is also used to obtain the motion information of at least two location of pixels of the current coded unit, and According to the motion information of at least two location of pixels, the described at least two sub- respective motion informations of coding unit are determined.
27. the device according to claim 22 or 26, which is characterized in that described device is encoding device, and the coding is set Standby further includes coding module；
The determining module is also used to the predictive information according to the current coded unit, determines the current coded unit Prediction mode；
The coding module, the prediction mode instruction information for determining the determining module are incorporated into the present encoding The value of the code stream of unit, the prediction mode instruction information is used to indicate whether the prediction mode is affine transformation mode.
28. according to device described in claim 22 or 26 or 27, which is characterized in that described device is encoding device；
The determining module is also used to be unsatisfactory for the sub- coding unit encoding and decoding condition in the information of the current coded unit In the case where, according to candidate modes set, determine the predictive information of the current coded unit, the candidate modes Set does not include the affine transformation mode.
29. a kind of device for handling video data, which is characterized in that deposited including processor and with what the processor was of coupled connections Reservoir；
The memory is for storing computer instruction, and when described device operation, the processor executes the memory and deposits The computer instruction of storage, so that described device executes processing video data as claimed in any one of claims 1 to 7 Method, or make described device execute as described in claim 8 to 14 any one handle video data method.
30. a kind of computer readable storage medium, which is characterized in that including computer instruction, when the computer instruction is being located When being run on the device of reason video data, so that described device executes processing video as claimed in any one of claims 1 to 7 The method of data, or described device is made to execute the method for handling video data as described in claim 8 to 14 any one.
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