CN114297162A - Method, device and medium for optimizing video stream storage and electronic equipment - Google Patents
Method, device and medium for optimizing video stream storage and electronic equipment Download PDFInfo
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Abstract
The invention discloses a method, a device, a medium and electronic equipment for optimizing video stream storage, wherein the method comprises the steps of establishing a first basic storage area and a second basic storage area; acquiring a current animation video stream with a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream; and storing the first type of data in the first basic storage area, and storing the second type of data in the second basic storage area. The video stream storage optimization method, the video stream storage optimization device, the video stream storage optimization medium and the electronic equipment can ensure that decoding is not needed in the existing animation file storage process, and storage and secondary creation of players are facilitated.
Description
Technical Field
The invention relates to the technical field of computer graphics, in particular to a method, a device, a medium and electronic equipment for optimizing video stream storage.
Background
In prior art games or three-dimensional animations where animation files are stored in FBX type, the FBX import channel supports animation, the user can import skeletal mesh animation from 3D software into the illusion engine for use in the game through a simple workflow, only a single animation per skeletal mesh can be imported/exported in a single file currently. In order to improve the enthusiasm of player creation, the finished animation video can be stored as a block chain, the block chain needs to be stored in a clear text to meet the state that all people can modify, but the FBX type file needs to be decoded in the modifying creation process so as not to be convenient to store the block chain, the standard of a preset file format needs to be formulated to meet the requirement of the block chain storage, and the block chain is put into the block chain for modifying storage, so that the enthusiasm of player creation is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method, a device, a medium and electronic equipment for optimizing video stream storage, which solve the problems of decoding and inconvenient storage in the existing animation file format storage process.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides a method for optimizing video stream storage, including
Establishing a first basic storage area and a second basic storage area;
acquiring a current animation video stream with a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and storing the first type of data in the first basic storage area, and storing the second type of data in the second basic storage area.
Preferably, the second storage area at least comprises an action storage unit and a time storage unit.
Preferably, the forming of the first type data and the second type data matched with the current animation video stream according to the current animation video stream specifically includes:
acquiring a current animation video stream with a preset format, and reading each frame of image data in the current animation video stream;
forming the first type of data according to the 0 th frame of image data, wherein the 0 th frame of image data is initial state data of the animation video stream;
and forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
Preferably, the saving the first type of data in the first basic storage area, and the saving the second type of data in the second basic storage area specifically include:
storing the first type of data in the first basic storage area;
reading time parameters and action parameters in the second class of data; the action storage unit in the second basic storage area stores the action parameter of each frame of image, and the time storage unit in the second basic storage area stores the time parameter of each frame of image.
Preferably, the method further comprises the following steps:
reading the action parameter of each frame of image, and comparing the action parameter of the current frame of image with the action parameter of the previous frame of image;
deleting the action parameters of the current frame image and the time parameters of the current frame under the condition that the action parameters of the current frame image are the same as the action parameters of the previous frame image;
and storing the action parameters of the current frame image and the time parameters of the current frame under the condition that the action parameters of the current frame image are different from the action parameters of the previous frame image.
Preferably, the image motion parameter forming includes,
reading a real-time action curve of a preset component when a preset object of a current animation video stream realizes a preset action;
the real-time action curve forms the action parameters of the current frame image under the action of at least one of rotation, displacement and scaling.
In a second aspect, an embodiment of the present invention provides an apparatus for optimizing storage of a video stream, including,
a storage area establishing unit for establishing a first basic storage area and a second basic storage area;
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a current animation video stream in a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and the data storage unit is used for storing the first type of data in the first basic storage area and storing the second type of data in the second basic storage area.
Preferably, the obtaining unit includes a first obtaining unit,
the reading unit is used for acquiring a current animation video stream with a preset format and reading each frame of image data in the current animation video stream;
an initial data acquisition unit, configured to form the first type of data according to a 0 th frame of image data, where the 0 th frame of image data is initial state data of the animation video stream;
and the process data acquisition unit is used for forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
In a third aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the computer program implements the method for optimizing storage of a video stream as described above.
In a fourth aspect, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable by the processor, where the processor executes the computer program to implement the method for optimizing video stream storage in the electronic device.
The invention has the following beneficial effects:
the first type data and the second type data are formed by obtaining the image data of the frame 0 of the current animation video stream and form the image data of the frame 1 to the image data of the frame N, the first type data and the second type data are the action parameters and the time parameters of each skeleton in the state of each frame, the skeleton action data of the key frame is reserved, the storage space of the current animation data can be reduced, decoding is not needed in the storage process, and the current animation data can be conveniently stored on a block chain;
because the GPU processor can process a plurality of simple operation tasks, when the GPU processor reads the first type of data and the second type of data, the GPU processor can quickly process and display the data, and the operation speed is greatly improved compared with that of CPU calculation. According to the invention, the first type data and the second type data are stored in a plaintext mode, and different players can perform secondary creation on the acquired first type data and second type data, so that the creativity of the players is stimulated, and the storage and the secondary creation of the players are facilitated.
Drawings
Fig. 1 is a flowchart of a method for optimizing video stream storage according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for optimizing video stream storage according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for optimizing video stream storage according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a first basic memory area according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a second basic memory area according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Fig. 1 is a flowchart of a method for optimizing video stream storage according to this embodiment, and includes specific steps,
s110, establishing a first basic storage area and a second basic storage area;
specifically, a first basic storage area and a second basic storage area are established, for example, the first basic storage area is a basic skinpos table, the second basic storage area is a MiHoYoTT table, and the basic skinpos table is used for recording a bone father-son relationship; illustratively, the arm is formed from three bones, a first bone being a parent of a second bone, the second bone being a child of the first bone, the second bone being simultaneously a parent of a third bone, the third bone being a child of the second bone, movement of the parent bone bringing about movement of the child bone, movement of the child bone not bringing about movement of the parent bone.
S120, acquiring a current animation video stream in a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
specifically, a current animation video stream with a preset format is obtained, an animation file is stored in an mhytt form in the saving process, and the mhytt animation video stream can be directly read when a certain animation video is interested by a player.
S1201, reading each frame of image data in the current animation video stream; for example, if the current animation video stream contains N +1 image frames in total, the 0 th frame of image data … … is distributed and obtained;
s1202, forming the first type of data according to the 0 th frame of image data, wherein the 0 th frame of image data is initial state data of the animation video stream; the first type of data is all animation data information of animation skeleton in initial state, including at least one of position value, rotation value and zoom value, or crank value, such as initial state position value, rotation value and zoom value, or crank value of head skeleton, leg skeleton and hand skeleton at the time of colling, it should be noted that head skeleton, leg skeleton and hand skeleton herein should be understood as including group skeleton composed of skeleton relationship, such as hand skeleton including palm skeleton, thumb skeleton, index finger skeleton, middle finger skeleton, ring finger skeleton and little finger skeleton, relation between palm skeleton, thumb skeleton, index finger skeleton, middle finger skeleton, ring finger skeleton and little finger skeleton is stored by skinnose table, state parameters of skeleton (such as rotation, middle finger skeleton, index finger skeleton, middle finger skeleton, ring finger skeleton and little finger skeleton) (e.g. rotation, and zoom value of palm skeleton, thumb skeleton, middle finger skeleton, ring finger skeleton and little finger skeleton), Displacement, zoom, crank relationship) is stored by the mhytt table.
S1203, forming the second type of data according to the image data of the 1 st frame to the image data of the nth frame, where the image data of the nth frame is ending state data of the animation video stream, and the second type of data is skeleton animation data information from the 1 st frame to the nth frame, such as a rotation value, a displacement value, a scaling value, and a crank value of each skeleton in different image frames; when the person walks in the Keli walking state, the crank parameters form an action curve in the Keli walking state through rotation, displacement and scaling of each skeleton.
S12031, starting from the 1 st frame of image data, forming action parameters in each frame of image data according to the 1 st frame of image data to the Nth frame of image data, and comparing the action parameters in the current frame of image data with the action parameters in the previous frame of image data; and judging whether the image motion parameters corresponding to two adjacent frames are consistent or not in the state, wherein the motion parameters at least comprise rotation, displacement, scaling and/or crank parameters.
Illustratively, reading the motion curve of the skeleton in the prefabricated object (or formed according to the 1 st frame image data to the N frame image data) of the current animation video stream as the motion curve is formed by rotation, and/or displacement, and/or scaling, and/or crank parameters; and acquiring rotation, and/or displacement, and/or scaling, and/or crank parameters according to the action curve.
S12032, deleting the action parameter of the current frame image and the time parameter of the current frame image under the condition that the action parameter of the current frame image is identical to the action parameter of the previous frame image;
s12033, storing the motion parameter of the current frame image and the time parameter of the current frame image in a state that the motion parameter of the current frame image is not identical to the motion parameter of the previous frame image, and forming the second type data according to the stored data.
It should be noted that the motion parameters of the current frame image are partially the same as the motion parameters of the previous frame image, and if the motion parameters of the current frame image are partially different from the motion parameters of the previous frame image, the motion parameters of the current frame image are determined to be different from the motion parameters of the previous frame image.
For example, obtaining a rotation value, a displacement value, a scaling value and a crank value of each part during the corresponding coilia motion of 31 frames and 32 frames, comparing whether the rotation value, the displacement value, the scaling value and the crank value of each part during the corresponding coilia motion in the state of 32 frames are the same as the rotation value, the displacement value, the scaling value and the crank value of each part during the corresponding coilia motion in the state of 31 frames, and if the motion parameters are completely the same (i.e. the rotation value, the displacement value, the scaling value and the crank value are all the same), deleting the rotation value, the displacement value, the scaling value and the crank value of each part during the corresponding coilia motion in the state of 32 frames, and saving the rotation value, the displacement value, the scaling value and the crank value of each part during the corresponding coilia motion of 31 frames; if the motion parameters are different (i.e. at least one of the rotation value, the displacement value, the scaling value and the crank value is different), the motion parameters corresponding to the frames 31 and 32 are saved. This process may retain keyframes for the case of Coeli walking (including head, hands, legs, etc.). According to the key frame fitting cubic curve and error setting, the system can automatically use linear fitting within the error allowance and even keep discrete key frames, so that the smoothness of the animation presented during walking can be ensured, and the effect of animation compression can be achieved.
When at least one of the rotation value, the displacement value, the zoom value and the crank value is different, the record corresponding to the same parameter value may be deleted, and a part of the different parameter value is retained, for example, the motion parameter of the current frame image is the same as the rotation value and the displacement value in the motion parameter of the previous frame image, and the zoom value and the crank value are different, at this time, the rotation value and the displacement value in the motion parameter of the current frame image may not be recorded, or null is recorded, and the zoom value and the crank value need to be recorded.
S130, storing the first type of data in the first basic storage area, and storing the second type of data in the second basic storage area.
In a specific embodiment, as shown in fig. 4, the basic skinpos table is used to record the bone parent-child relationship, and further, the basic skinpos table may also record all bone initial information in the 0 th frame image; as shown in fig. 5, the MiHoYoTT table is used to record real animation data, and only animation data (time information may be frame position information) of motion parameters and time of a skeleton in a frame with a skeleton change is recorded, and null represents that the skeleton has no dynamic change data in the current frame number.
The method comprises the steps of obtaining action parameters and time parameters of different parts when a prefabricated object matched with different time frames corresponding to an initial action parameter corresponding to a first type of data and a second type of data of a current animation video stream completes a preset action, for example, a rotation value, a displacement value, a scaling value and a crank value of each skeleton corresponding to different frame states during Kelly walking, and storing a parent-child relationship among the skeletons and the action parameters of the skeletons.
Because the GPU processor can process a plurality of simple operation tasks, when the GPU processor reads the first type of data and the second type of data, the GPU processor can quickly process and display the data, and the operation speed is greatly improved compared with that of CPU calculation. In addition, in the application, the first type data and the second type data are stored in a plaintext mode, different players can perform secondary creation on the acquired first type data and the acquired second type data, creativity of the players is stimulated, and storage and secondary creation of the players are facilitated.
Illustratively, animation files are produced in the dcc software, the produced animation files are saved as mhy files, and the mhytt files are read in the rendering engine system, so that actions or animation video streams matched with the animation files can be displayed in the rendering engine.
In this embodiment, the animation file is stored in the form of an mhytt file during the saving process, and when a player is interested in a certain animation video, the animation video stream of the mhytt file can be directly read.
It should be noted that, in the above embodiment, although the storage manner is optimized compared with the prior art, there are redundant storage and calculation, for example, the storage record corresponding to the Bone _ Root in 3f in fig. 5 is null, the storage area stores information which is redundant information, and the information still needs to be read during the video stream processing, but is not processed, which results in a part of the calculation power and the storage space being wasted.
Example two
An embodiment of the present invention provides an apparatus for optimizing video stream storage, where the apparatus specifically includes:
the storage area establishing unit is used for establishing a first basic storage area and a second basic storage area;
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a current animation video stream in a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and the data storage unit is used for storing the first type of data in the first basic storage area and storing the second type of data in the second basic storage area.
In a preferred embodiment, the obtaining unit includes,
the reading unit is used for acquiring a current animation video stream with a preset format and reading each frame of image data in the current animation video stream;
an initial data acquisition unit, configured to form the first type of data according to a 0 th frame of image data, where the 0 th frame of image data is initial state data of the animation video stream;
and the process data acquisition unit is used for forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
The working principle of the present embodiment is the same as that of the first embodiment, and therefore, the description thereof is not repeated.
EXAMPLE III
Embodiments of the present application also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform:
establishing a first basic storage area and a second basic storage area;
acquiring a current animation video stream with a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and storing the first type of data in the first basic storage area, and storing the second type of data in the second basic storage area.
Acquiring a current animation video stream with a preset format, and reading each frame of image data in the current animation video stream;
forming the first type of data according to the 0 th frame of image data, wherein the 0 th frame of image data is initial state data of the animation video stream;
and forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide the program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different locations, such as in different computer systems that are connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application contains computer-executable instructions, and the computer-executable instructions are not limited to the method for optimizing video stream storage described above, and may also perform related operations in the method for optimizing video stream storage provided in any embodiment of the present application.
Example four
The embodiment of the application provides electronic equipment, and the electronic equipment can be integrated with the video stream storage optimization device provided by the embodiment of the application. Fig. 6 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present application. As shown in fig. 6, the present embodiment provides an electronic device 400, which includes: one or more processors 420; storage 410 to store one or more programs that, when executed by the one or more processors 420, cause the one or more processors 420 to implement:
establishing a first basic storage area and a second basic storage area;
acquiring a current animation video stream with a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and storing the first type of data in the first basic storage area, and storing the second type of data in the second basic storage area.
Acquiring a current animation video stream with a preset format, and reading each frame of image data in the current animation video stream;
forming the first type of data according to the 0 th frame of image data, wherein the 0 th frame of image data is initial state data of the animation video stream;
and forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
As shown in fig. 6, the electronic device 400 includes a processor 420, a storage device 410, an input device 430, and an output device 440; the number of the processors 420 in the electronic device may be one or more, and one processor 420 is taken as an example in fig. 6; the processor 420, the storage device 410, the input device 430, and the output device 440 in the electronic apparatus may be connected by a bus or other means, and are exemplified by being connected by a bus 450 in fig. 6.
The storage device 410 is a computer-readable storage medium, and can be used to store software programs, computer-executable programs, and module units, such as program instructions corresponding to the optimization method for video stream storage in the embodiment of the present application.
The storage device 410 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the storage 410 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 410 may further include memory located remotely from processor 420, which may be connected via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 430 may be used to receive input numbers, character information, or voice information, and to generate key signal inputs related to user settings and function control of the electronic device. The output device 440 may include a display screen, speakers, etc.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A method for optimizing storage of a video stream, comprising,
establishing a first basic storage area and a second basic storage area;
acquiring a current animation video stream with a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and storing the first type of data in the first basic storage area, and storing the second type of data in the second basic storage area.
2. The method of claim 1, wherein the second storage area comprises at least an action storage unit and a time storage unit.
3. The method of claim 2, wherein the forming of the first type of data and the second type of data matching the current animated video stream according to the current animated video stream specifically comprises:
acquiring a current animation video stream with a preset format, and reading each frame of image data in the current animation video stream;
forming the first type of data according to the 0 th frame of image data, wherein the 0 th frame of image data is initial state data of the animation video stream;
and forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
4. The method according to claim 3, wherein the step of storing the first type of data in the first basic storage area and the second type of data in the second basic storage area specifically comprises:
storing the first type of data in the first basic storage area;
reading time parameters and action parameters in the second class of data; the action storage unit in the second basic storage area stores the action parameter of each frame of image, and the time storage unit in the second basic storage area stores the time parameter of each frame of image.
5. The method of claim 4, further comprising:
reading the action parameter of each frame of image, and comparing the action parameter of the current frame of image with the action parameter of the previous frame of image;
deleting the action parameters of the current frame image and the time parameters of the current frame under the condition that the action parameters of the current frame image are the same as the action parameters of the previous frame image;
and storing the action parameters of the current frame image and the time parameters of the current frame under the condition that the action parameters of the current frame image are different from the action parameters of the previous frame image.
6. The method of claim 5, wherein the image motion parameter forming comprises,
reading a real-time action curve of a preset component when a preset object of a current animation video stream realizes a preset action;
the real-time action curve forms the action parameters of the current frame image under the action of at least one of rotation, displacement and scaling.
7. An apparatus for optimizing storage of a video stream, comprising
A storage area establishing unit for establishing a first basic storage area and a second basic storage area;
the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a current animation video stream in a preset format; forming first type data and second type data matched with the current animation video stream according to the current animation video stream;
and the data storage unit is used for storing the first type of data in the first basic storage area and storing the second type of data in the second basic storage area.
8. The apparatus for optimizing storage of a video stream according to claim 7, wherein the obtaining unit comprises,
the reading unit is used for acquiring a current animation video stream with a preset format and reading each frame of image data in the current animation video stream;
an initial data acquisition unit, configured to form the first type of data according to a 0 th frame of image data, where the 0 th frame of image data is initial state data of the animation video stream;
and the process data acquisition unit is used for forming the second type of data according to the 1 st frame image data to the Nth frame image data, wherein the Nth frame image data is the ending state data of the animation video stream.
9. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out a method for optimizing a video stream storage according to any one of claims 1 to 6.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements a method for optimizing the storage of a video stream according to any one of claims 1 to 6 when executing the computer program.
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