CN113301254A - Video recording method, processing method, device, terminal and storage medium - Google Patents
Video recording method, processing method, device, terminal and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
- H04N23/681—Motion detection
- H04N23/6811—Motion detection based on the image signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H—ELECTRICITY
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- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
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Abstract
The application relates to a video recording method, a video processing device, a video recording terminal and a video recording storage medium. The video recording method comprises the following steps: acquiring a plurality of original image frames; determining an original video according to a plurality of original image frames; acquiring anti-shake correction data, wherein the anti-shake correction data is used for carrying out anti-shake correction processing on a plurality of original image frames; and generating an object file according to the original video and the anti-shake correction data, wherein the object file comprises the original video and the anti-shake correction data. When the method is used for recording the video, the first terminal does not need to set an EIS algorithm (electronic video anti-shake algorithm), so that the performance requirement on the first terminal is reduced, the power consumption in the video recording process can be better reduced, and the first terminal is better prevented from generating heat in the video recording process. In addition, as the target file comprising the original video and the anti-shake correction data is directly generated during video recording, the anti-shake correction processing of the original video by the terminal with better performance at the later stage is facilitated.
Description
Technical Field
The present application relates to the field of terminal technologies, and in particular, to a video recording method, a video processing device, a video recording terminal, and a storage medium.
Background
At present, in the process of recording a video, an electronic video anti-shake algorithm (EIS algorithm) is often required to perform anti-shake processing on the recorded video. The electronic video anti-shake algorithm generally cuts the edge part of an image according to the shake condition, so that the stability of the public part in the image is kept, and the shake of the video is reduced.
However, for some low-end terminals not provided with the electronic video anti-shake algorithm, electronic video anti-shake cannot be performed on the video recorded by the low-end terminals, and user experience is poor.
Disclosure of Invention
In order to overcome the problems in the related art, the present application provides a video recording method, a video processing device, a terminal and a storage medium.
According to a first aspect of an embodiment of the present application, a video recording method is provided, which is applied to a first terminal, and the video recording method includes:
acquiring a plurality of original image frames;
determining an original video according to the plurality of original image frames;
acquiring anti-shake correction data, wherein the anti-shake correction data is used for carrying out anti-shake correction processing on the plurality of original image frames;
and generating an object file according to the original video and the anti-shake correction data, wherein the object file comprises the original video and the anti-shake correction data.
Optionally, the generating a target file according to the original video and the anti-shake correction data includes:
and taking the anti-shake correction data as metadata, storing the metadata to the original video, and generating the target file.
Optionally, the anti-shake correction data includes a first sub-anti-shake correction data corresponding to each of the plurality of original image frames, and a second sub-anti-shake correction data corresponding to the plurality of original image frames.
Optionally, the first sub-anti-shake correction data includes motion posture information and/or optical anti-shake information, and a timestamp of the first sub-anti-shake correction data corresponds to a timestamp of the original image frame.
Optionally, the second sub-anti-shake correction data includes lens parameters when the plurality of original image frames are recorded.
According to a second aspect of the embodiments of the present application, there is provided a video processing method applied to a second terminal, the video processing method including:
acquiring a target file; the target file comprises an original video and anti-shake correction data, wherein the anti-shake correction data are data used for carrying out anti-shake correction processing on the original video;
determining the original video and the anti-shake correction data according to the target file;
determining a plurality of original image frames according to the original video;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data, and determining a plurality of anti-shake image frames after anti-shake correction processing.
Optionally, the determining the original video and the anti-shake correction data according to the object file includes:
and extracting the anti-shake correction data from the metadata of the target file, and determining the anti-shake correction data and the original video.
Optionally, the video processing method further includes:
playing the anti-shake image frames according to the timestamps of the anti-shake image frames; and/or the presence of a gas in the gas,
and according to the timestamps of the anti-shake image frames, encoding the anti-shake image frames, and determining the anti-shake video subjected to anti-shake correction.
Optionally, the anti-shake correction data includes a first sub-anti-shake correction data corresponding to each of the plurality of original image frames and a second sub-anti-shake correction data corresponding to the plurality of original image frames;
the determining a plurality of anti-shake image frames after anti-shake processing by performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data includes:
determining a preset number of first sub-anti-shake correction data associated with each original image frame of the plurality of original image frames;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the second sub-anti-shake correction data and the preset number of first sub-anti-shake correction data, and determining the plurality of anti-shake image frames.
According to a third aspect of the embodiments of the present application, there is provided a video recording apparatus applied to a first terminal, the video recording apparatus including:
the first acquisition module is used for acquiring a plurality of original image frames;
the image processing device is also used for acquiring anti-shake correction data, and the anti-shake correction data is used for carrying out anti-shake correction processing on the plurality of original image frames;
a first determining module, configured to determine an original video according to the plurality of original image frames;
and the image processing device is further used for generating an object file according to the original video and the anti-shake correction data, wherein the object file comprises the original video and the anti-shake correction data.
Optionally, the first determining module is further configured to:
and taking the anti-shake correction data as metadata, storing the metadata to the original video, and generating the target file.
According to a fourth aspect of the embodiments of the present application, there is provided a video processing apparatus applied to a second terminal, the video processing apparatus including:
the second acquisition module is used for acquiring the target file; the target file comprises an original video and anti-shake correction data, and the anti-shake correction data is used for carrying out anti-shake correction processing on the original video;
the second determining module is used for determining the original video and the anti-shake correction data according to the target file;
the video processing device is also used for determining a plurality of original image frames according to the original video;
and the image processing device is further used for carrying out anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data, and determining a plurality of anti-shake image frames after anti-shake correction processing.
Optionally, the second determining module is further configured to:
and extracting the anti-shake correction data from the metadata of the target file, and determining the anti-shake correction data and the original video.
Optionally, the video processing apparatus further includes:
the playing module is used for playing the anti-shake image frames according to the timestamps of the anti-shake image frames; and/or the presence of a gas in the gas,
and the processing module is used for coding the anti-shake image frames according to the timestamps of the anti-shake image frames and determining the anti-shake video subjected to anti-shake correction processing.
Optionally, the anti-shake correction data includes a first sub-anti-shake correction data corresponding to each of the plurality of original image frames and a second sub-anti-shake correction data corresponding to the plurality of original image frames;
the processing module is further configured to:
determining a preset number of first sub-anti-shake correction data associated with each original image frame of the plurality of original image frames;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the second sub-anti-shake correction data and the preset number of first sub-anti-shake correction data, and determining the plurality of anti-shake image frames.
According to a fifth aspect of embodiments of the present application, there is provided a terminal, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute,
the video recording method of the first aspect; and/or the presence of a gas in the gas,
a video processing method as claimed in the second aspect.
According to a sixth aspect of embodiments herein, there is provided a non-transitory computer readable storage medium having instructions which, when executed by a processor of a terminal, enable the terminal to perform,
the video recording method of the first aspect; and/or the presence of a gas in the gas,
a video processing method as claimed in the second aspect.
The technical scheme provided by the embodiment of the application can have the following beneficial effects: when the method is used for recording the video, anti-shake correction processing is not required to be carried out on the first terminal, only corresponding anti-shake correction data is obtained and stored, and the first terminal is not required to be provided with an EIS (electronic video anti-shake algorithm), so that the performance requirement on the first terminal is reduced, the power consumption in the video recording process can be better reduced, and the first terminal is better prevented from generating heat in the video recording process. Moreover, as the target file comprising the original video and the anti-shake correction data is directly generated during video recording, the anti-shake correction processing of the original video is better performed by the terminal at other performances at the later stage, more diversified selections are provided for the anti-shake correction processing, the convenience and flexibility of the anti-shake correction processing are improved, and the use experience of a user is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flow diagram illustrating a video recording method according to an example embodiment.
Fig. 2 is a flow diagram illustrating a video processing method according to an example embodiment.
Fig. 3 is a block diagram illustrating a video recording device according to an example embodiment.
Fig. 4 is a block diagram illustrating a video processing apparatus according to an example embodiment.
Fig. 5 is a block diagram of a terminal shown in accordance with an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the related art, when a terminal such as a mobile phone is used to record a video, a gyroscope sensor on the terminal is generally used to acquire motion attitude information of the terminal, and then a frame image of the video is subjected to reverse warp operation (clipping/rotating/twisting) according to the motion attitude information and an EIS algorithm, so as to achieve the purpose of electronic video anti-shake.
However, for some low-end terminals not provided with the electronic video anti-shake algorithm, electronic video anti-shake cannot be performed on the video recorded by the low-end terminals, and user experience is poor.
The disclosure provides a video recording method applied to a first terminal. According to the method, when video recording is carried out, anti-shake correction data which can be used for carrying out anti-shake correction processing on all original image frames are obtained at the same time, but the anti-shake correction processing is not carried out on the original image frames, the original videos are directly obtained according to all the original image frames, and target files are generated according to the anti-shake correction data and the original videos, so that the target files comprise the original videos and the anti-shake correction data, and the anti-shake correction processing can be conveniently carried out on the original videos at other terminals.
When the method is used for recording the video, anti-shake correction processing is not required to be carried out on the first terminal, only corresponding anti-shake correction data is obtained and stored, and the first terminal is not required to be provided with an EIS (electronic video anti-shake algorithm), so that the performance requirement on the first terminal is reduced, the power consumption in the video recording process can be better reduced, and the first terminal is better prevented from generating heat in the video recording process. Moreover, as the target file comprising the original video and the anti-shake correction data is directly generated during video recording, the anti-shake correction processing of the original video is better performed by the terminal at other performances at the later stage, more diversified selections are provided for the anti-shake correction processing, the convenience and flexibility of the anti-shake correction processing are improved, and the use experience of a user is improved.
In one exemplary embodiment, a video recording method is provided and applied to a first terminal. The first terminal may refer to a mobile phone, a video camera, a sports camera, a smart watch, and the like having a video recording function. Video recording may include taking a video. The shooting of the video may be realized by a camera function of the first terminal. Referring to fig. 1, the video recording method may include:
s110, acquiring a plurality of original image frames;
s120, determining an original video according to a plurality of original image frames;
s130, acquiring anti-shake correction data;
and S140, generating a target file according to the original video and the anti-shake correction data.
In step S110, the video is generally obtained by a plurality of image frame encoding processes. In this step, the original image frame may be a series of image frames obtained by shooting when the first terminal performs video shooting.
In step S120, the original image frame may include image information and a time stamp. And after a plurality of original image frames are obtained, encoding can be carried out according to the time stamps of the original image frames to obtain the original video.
For example, when a video shooting device of a first terminal performs video shooting, a plurality of original image frames are obtained. The video camera transmits the plurality of original image frames to a video encoder (video encoder) of the first terminal. And the video coding device carries out coding processing on a plurality of original image frames according to the time stamps of the original image frames to obtain the original video.
In step S130, the acquiring of the anti-shake correction data may be performed in synchronization with the acquiring of the plurality of original image frames. The anti-shake correction data can be acquired from a camera module of the video shooting device. The anti-shake correction data refers to data required for performing anti-shake correction processing on a plurality of original image frames. That is, the anti-shake correction data acquired in this step is used to perform anti-shake correction processing on a plurality of original image frames.
In step S140, the original video and the anti-shake correction data may be stored to the same file. The same file is the target file. That is, the target file is not the anti-shake video subjected to the anti-shake correction process, but a file including the original video and the anti-shake correction data.
When the method is used for recording the video, the anti-shake correction processing is not carried out on the first terminal. The first terminal simply acquires and saves the corresponding anti-shake correction data and the original video. The method reduces the performance requirement on the first terminal, can also better reduce the power consumption in the video recording process, and better avoids the first terminal from generating heat in the video recording process.
Moreover, as the target file comprising the original video and the anti-shake correction data is directly generated during video recording, other terminals can conveniently perform anti-shake correction processing on the original video in the target file according to the anti-shake correction data in the target file. The method provides more diversified selections for the anti-shake correction processing, improves the convenience and flexibility of the anti-shake correction processing, and improves the use experience of users.
It should be noted that, when a high-definition video (e.g. a 4K video) is recorded by the method, since anti-shake correction data is not required in the recording process, the occupation of system resources (e.g. a storage memory, an operating memory, etc.) of the first terminal in the video recording process can be greatly reduced, and the power consumption of the first terminal is reduced, so that the video recording can be completed by the first terminal with poor usability, and then electronic video anti-shake processing is performed by other terminals with good performances, thereby improving the user experience.
In one exemplary embodiment, a video recording method is provided and applied to a first terminal. This method is an improvement over step S140 of the above method. Illustratively, in the method, generating the object file from the original video and the anti-shake correction data includes:
and S141, saving the anti-shake correction data serving as metadata to the original video to generate a target file.
The Metadata (Metadata) is also called intermediate data or relay data. Metadata refers to data that describes data, i.e., metadata refers to descriptive information about data and information resources.
In the method, an original video can be obtained by encoding a plurality of original image frames. The original video may typically include header information, among other things. Header information refers to information for interpreting an original video.
The method can add the anti-shake correction data as metadata to the header file information of the original video to form a target file. When the original video needs to be subjected to anti-shake correction processing, anti-shake correction data can be extracted from header file information of the target file. And then carrying out anti-shake correction processing on the original video in the target file according to the anti-shake correction data.
In the method, anti-shake correction data is stored in an original video in a metadata form to form a target file. The anti-shake correction data and the original video are conveniently stored in the same target file, so that the anti-shake correction data and the original video can be conveniently extracted from the target file subsequently, anti-shake correction processing of the original video is further realized, and convenience is brought to users.
It should be noted that the method may also obtain the target file in other manners.
In the case of example 1, the following examples,
the anti-shake correction data is processed into an anti-shake file (for example, the anti-shake correction data is saved into a txt (text format) file, and the txt file with the anti-shake correction data saved is the anti-shake file). And then, combining and compressing the anti-shake file and the original video to obtain a target file. The target file is a compressed file, which includes the anti-shake file and the original video. The anti-shake file includes anti-shake correction data. Thus, the object file includes the anti-shake correction data and the original video.
When the original video needs to be subjected to anti-shake correction processing, the target file can be decompressed to obtain the anti-shake file and the original video. The anti-shake correction data is then determined from the anti-shake file. And finally, carrying out anti-shake correction processing on the original video according to the anti-shake correction data.
According to the method, when the first terminal records the video, the anti-shake correction data is not used for carrying out anti-shake correction processing on the original video, but the anti-shake correction data and the original video are directly stored in the target file, so that the performance requirement on the first terminal is lowered, the power consumption in the video recording process is reduced, and the first terminal is better prevented from heating. Subsequently, the anti-shake correction data and the original video are extracted from the target file conveniently so as to perform anti-shake correction processing on the original video. The method can better meet different requirements of users.
In one exemplary embodiment, a video recording method is provided, which is applied to a first terminal. In the method, the anti-shake correction data may include: a first sub-anti-shake correction data corresponding to each of the plurality of original image frames, and a second sub-anti-shake correction data corresponding to the plurality of original image frames.
The first sub-anti-shake correction data can be acquired in real time with the original image frame, and the timestamp of the first sub-anti-shake correction data corresponds to the timestamp of the original image frame, so that anti-shake correction processing can be performed on the corresponding original image frame according to the first sub-anti-shake correction data subsequently. The time stamps of the original image frames represent the shooting time of the corresponding original image frames, and the shooting sequence of a plurality of original image frames can be determined according to the time stamps of the original image frames. It should be noted that the purpose of the above-mentioned timestamp of the first sub-anti-shake correction data corresponding to the timestamp of the original image frame is to ensure that there is a matching first sub-anti-shake correction data for each original image frame. That is, the time stamp of the first sub-anti-shake correction data corresponds to the time stamp of the original image frame, and may include: the time stamp of the first sub-anti-shake correction data is the same as the time stamp of the original image frame; the method can also comprise the following steps: the time stamps of the first sub-anti-shake correction data are associated with the time stamps of the original image frames, and a first time difference between the time stamps of two adjacent first sub-anti-shake correction data is the same as a second time difference between the time stamps of two adjacent original image frames.
In addition, when the anti-shake correction processing is performed on the original image frame in the subsequent process, the anti-shake correction processing may be performed using the first sub-anti-shake correction data corresponding to the original image frame, or may be performed using a plurality of first sub-anti-shake correction data including the first sub-anti-shake correction data.
For example, the nth first sub-anti-shake correction data may be directly used to perform anti-shake correction processing on the nth original image frame. Wherein N is a positive integer greater than or equal to 1.
For another example, the nth original image frame may be anti-shake corrected using the nth to (N + x-1) th first sub-anti-shake correction data. That is, the anti-shake correction processing may be performed on 1 original image frame using x first sub-anti-shake correction data to achieve a smoother anti-shake correction processing effect. Wherein, N and x are both positive integers which are more than or equal to 1.
The first sub-anti-shake correction data may include at least one of motion attitude information, Optical Image Stabilization (OIS) information, recording parameter information, and the like during video recording. Wherein the motion gesture information may be used to characterize a motion gesture of a video capture device (e.g., a camera module of the first terminal) when the video recording comprises capturing a video. The motion gesture information may be detected by a gyro sensor of a video photographing device (e.g., a camera module of the first terminal). The optical anti-shake information may refer to optical anti-shake data generated during a video photographing process. Optical anti-shake information is generally used to characterize the position of a lens in a video capture device. The optical anti-shake information may be acquired from an optical anti-shake module of a video photographing device (e.g., a camera module of the first terminal). The recording parameter information may include shooting parameters such as an exposure time (exposure time), a gain (gain) parameter, a start of exposure time (SOF), a frame duration (frame duration), a rolling shutter slope (rolling shutter), cropping information (crop information), and image transformation information (Applied image transform matrix) set when the video is shot. The recording parameter information may be directly acquired from a photographing parameter setting module of a video photographing apparatus (e.g., a camera module of the first terminal).
The second sub-anti-shake correction data may include lens parameters when recording a plurality of original image frames. The lens parameters may include distortion parameters. In general, during the video shooting process, the lens parameters are fixed, so that the method does not need to acquire a second sub-anti-shake correction data for each original image frame. That is, the method may acquire one second sub-anti-shake correction data for a plurality of original image frames to reduce the overall data amount of the anti-shake correction data. The second sub-anti-shake correction data may be directly acquired from a lens parameter setting module of the video photographing device (e.g., a camera module of the first terminal).
According to the method, the richer anti-shake correction data are obtained by obtaining the first sub-anti-shake correction data corresponding to each original image frame in the plurality of original image frames and the second sub-anti-shake correction data in the video shooting process, so that the anti-shake correction processing can be conveniently carried out on the plurality of original image frames subsequently, and the use experience of a user is improved.
The disclosure also provides a video processing method applied to the second terminal. The method can be used for processing the target file obtained by the video recording method. In the method, a target file is obtained first. The object file includes anti-shake correction data and the original video. And then extracting an original video and anti-shake correction data from the target file, and obtaining a plurality of original image frames according to the original video. And finally, carrying out anti-shake correction processing on each original image frame in the plurality of original image frames through the anti-shake correction data to obtain a plurality of anti-shake image frames after the anti-shake correction processing.
In the method, the second terminal can directly use the anti-shake correction data in the target file to perform anti-shake correction processing on the original video in the target file, so that more diversified selections are provided for the anti-shake correction processing, the convenience and flexibility of the anti-shake correction processing are improved, and the use experience of a user is improved. Moreover, the second terminal can directly use the target file to complete the anti-shake correction processing of the video, so that the anti-shake correction processing is not required in the video recording process, and the first terminal for recording the video is not required to be provided with an EIS algorithm (electronic video anti-shake algorithm), so that the performance requirement on the first terminal is reduced, the power consumption in the video recording process can be better reduced, and the first terminal is better prevented from generating heat in the video recording process.
In one exemplary embodiment, a video processing method is provided for a second terminal. The second terminal may refer to a video processing device or a video playing device provided with the EIS algorithm, for example, the second terminal includes a mobile phone, a video camera, a tablet computer, a notebook computer, a cloud processing platform, and the like. Referring to fig. 2, the video processing method includes:
s210, acquiring a target file;
s220, determining an original video and anti-shake correction data according to the target file;
s230, determining a plurality of original image frames according to the original video;
and S240, performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data, and determining the plurality of anti-shake image frames after the anti-shake correction processing.
In step S210, the object file includes the original video and the anti-shake correction data. The anti-shake correction data refers to data for performing anti-shake correction processing on an original video. In general, a video file is encoded from a plurality of image frames, so that an original video can be encoded from a plurality of original image frames, and the anti-shake correction data can also refer to data for performing anti-shake correction processing on each of the plurality of original image frames.
In step S220, there are two cases according to the existence form of the anti-shake correction data and the original video in the target file.
In case 1, the anti-shake correction data is saved to the original video forming target file in the form of metadata.
In this case, the anti-shake correction data is extracted from the metadata of the target file, and the anti-shake correction data and the original video can be specified.
For example, the anti-shake correction data may be extracted directly from the header file information of the target file, and then the remaining file may be used as the original video, so that the anti-shake correction data and the original video may be obtained.
And 2, combining and compressing the anti-shake correction data and the original video in the form of an anti-shake file to obtain a target file.
In this case, the target file may be decompressed to obtain the anti-shake file and the original video. The anti-shake correction data is then extracted from the anti-shake file. Anti-shake correction data and the original video are obtained.
In step S230, the video is generally obtained by a plurality of image frame encoding processes. Therefore, in this step, a plurality of original image frames can be obtained by performing decoding processing on the original video.
In step S240, after the anti-shake correction data and the plurality of original image frames are obtained, anti-shake correction processing (including cropping, rotation, warping, etc.) can be performed on each original image frame by using the anti-shake correction data, so as to obtain a plurality of anti-shake image frames after the anti-shake correction processing, and obtain an image frame with better effect.
The anti-shake correction data may include a first sub-anti-shake correction data corresponding to each of a plurality of original image frames, and a second sub-anti-shake correction data corresponding to the plurality of original image frames. The first sub-anti-shake correction data may be the same as the first sub-anti-shake correction data in the video recording method, and the second sub-anti-shake correction data may be the same as the second sub-anti-shake correction data in the video recording method, which is not described herein again.
Step S240 may include:
s241, determining a preset number of first sub-anti-shake correction data associated with each original image frame of the plurality of original image frames;
and S242, performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the second sub-anti-shake correction data and the preset number of first sub-anti-shake correction data, and determining the plurality of anti-shake image frames.
In step S241, the preset value may be set by the second terminal before shipment, or may be set by the user. And in the process of using the second terminal, the user can modify the preset value according to the actual requirement.
In step S242, a preset number of first sub-anti-shake correction data and a preset number of second sub-anti-shake correction data are associated with each original image frame. In this step, the anti-shake correction processing is performed on the corresponding original image frame through a preset number of first sub-anti-shake correction data and a second sub-anti-shake correction data, so as to obtain the anti-shake processed anti-shake image frame. And by analogy, obtaining the anti-shake image frame after the anti-shake correction processing of each original image frame. That is, a plurality of anti-shake image frames are obtained.
In the following, the anti-shake correction processing performed on the nth original image frame is taken as an example for explanation, and the anti-shake processing methods of other original image frames are similar and will not be described herein again. Wherein the preset value is recorded as x.
When the anti-shake correction processing is performed on the nth original image frame, nth to (N + x-1) th first sub-anti-shake correction data and second sub-anti-shake correction data may be acquired. And then using the second sub-anti-shake correction data and the x first sub-anti-shake correction data to perform anti-shake correction processing on the Nth original image frame to obtain the Nth anti-shake image frame.
In the case of example 1, the following examples,
the preset value is 40.
And performing anti-shake correction processing on the 1 st original image frame by using the second sub-anti-shake correction data and the 1 st to 40 th first sub-anti-shake correction data to obtain the 1 st anti-shake image frame.
And performing anti-shake correction processing on the 2 nd original image frame by using the second sub-anti-shake correction data and the 2 nd to 41 th first sub-anti-shake correction data to obtain the 2 nd anti-shake image frame.
And performing anti-shake correction processing on the 3 rd original image frame by using the second sub-anti-shake correction data and the 3 rd to 42 th first sub-anti-shake correction data to obtain a 3 rd anti-shake image frame.
And analogizing in turn to obtain all the anti-shake image frames after the anti-shake correction processing of all the original image frames.
In the method, the second terminal can directly use the anti-shake correction data in the target file to perform anti-shake correction processing on the original video in the target file, so that more diversified selections are provided for the anti-shake correction processing, the convenience and flexibility of the anti-shake correction processing are improved, and the use experience of a user is improved.
In one exemplary embodiment, a video processing method is provided for a second terminal.
In the method, when the second terminal is a video playing device, the method may include:
and S250a, according to the timestamps of the anti-shake image frames, carrying out coding processing on the anti-shake image frames, and determining the anti-shake video after anti-shake processing.
Wherein each anti-shake image frame includes image information and a timestamp, and the timestamp of the anti-shake image frame may be the same as the timestamp of the original image frame forming the anti-shake image frame. The video playing device can ensure the playing sequence of a plurality of anti-shake image frames according to the time stamps of the anti-shake image frames. After the video playing device obtains the multiple anti-shake image frames, the video encoding device of the video playing device encodes the multiple anti-shake image frames according to the timestamps of the anti-shake image frames to obtain the anti-shake video after anti-shake correction processing. The video playing device can play the anti-shake video, provide better video resources for users, and improve the impression of the users.
The method may further comprise:
s250b, playing the plurality of anti-shake image frames according to the time stamps of the plurality of anti-shake image frames.
After the video playing device obtains the anti-shake image frames, the anti-shake image frames can be directly played in time sequence according to the timestamps of the anti-shake image frames, the step of encoding to obtain anti-shake videos is omitted, power consumption can be reduced, and video playing speed is improved.
In the method, when the second terminal is a video processing device (which refers to a device without a video playing function but with a video processing function), the method may include:
and S250c, according to the timestamps of the anti-shake image frames, carrying out coding processing on the anti-shake image frames, and determining the anti-shake video after anti-shake processing.
Step S250c is similar to step S250a, and is not repeated here. According to the method, the anti-shake processing of the electronic video can be performed by utilizing the strong processing capacity of the cloud processing equipment, so that a better anti-shake effect is obtained, and a better anti-shake video is obtained, so that the anti-shake video can be conveniently played by the playing equipment with poor subsequent use performance (without the anti-shake processing function).
In the method, the first terminal for recording the video does not perform anti-shake correction processing on the shot video. But the second terminal (comprising a video playing device and a video processing device) carries out anti-shake correction processing on the video shot by the first terminal. The method provides more diversified selections for the anti-shake correction processing, improves the convenience and flexibility of the anti-shake correction processing, and improves the use experience of users.
In one exemplary embodiment, a video recording apparatus is provided for use with a first terminal. The video recording device is used for implementing the video recording method. Illustratively, referring to fig. 3, the video recording apparatus includes a first obtaining module 101 and a first determining module 102, in implementing the video recording method,
a first obtaining module 101, configured to obtain a plurality of original image frames;
the image processing device is also used for acquiring anti-shake correction data, and the anti-shake correction data is used for carrying out anti-shake correction processing on a plurality of original image frames;
a first determining module 102, configured to determine an original video according to a plurality of original image frames;
and generating an object file according to the original video and the anti-shake correction data, wherein the object file comprises the original video and the anti-shake correction data.
In one exemplary embodiment, a video recording apparatus is provided for use with a first terminal. Referring to fig. 3, in the video recording apparatus, the first determining module 102 is further configured to:
and taking the anti-shake correction data as metadata, storing the metadata to the original video, and generating a target file.
In one exemplary embodiment, a video processing apparatus is provided for application to a second terminal. The video processing device is used for implementing the video processing method. Exemplarily, referring to fig. 4, the video processing apparatus includes a second obtaining module 201 and a second determining module 202. In the course of implementing the above-described video processing method,
a second obtaining module 201, configured to obtain a target file; the target file comprises an original video and anti-shake correction data, wherein the anti-shake correction data are data used for carrying out anti-shake correction processing on the original video;
a second determining module 202, configured to determine, according to the target file, an original video and anti-shake correction data;
the video processing device is also used for determining a plurality of original image frames according to the original video;
and the image processing device is also used for carrying out anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data and determining the plurality of anti-shake image frames after the anti-shake correction processing.
In one exemplary embodiment, a video processing apparatus is provided for application to a second terminal. Referring to fig. 4, in the video processing apparatus, the second determining module 202 is further configured to:
and extracting anti-shake correction data from the metadata of the target file, and determining the anti-shake correction data and the original video.
In one exemplary embodiment, a video processing apparatus is provided for application to a second terminal. As shown in fig. 4, the video processing apparatus may further include a play module 203 and/or a processing module 204. In the course of implementing the above-described video processing method,
the playing module 203 is configured to play the anti-shake image frames according to the timestamps of the anti-shake image frames; and/or the presence of a gas in the gas,
and the processing module 204 is configured to perform encoding processing on the multiple anti-shake image frames according to the timestamps of the multiple anti-shake image frames, and determine an anti-shake video after anti-shake correction processing.
In one exemplary embodiment, a video processing apparatus is provided for application to a second terminal. In the video processing apparatus, the anti-shake correction data includes first sub-anti-shake correction data corresponding to each of a plurality of original image frames, and second sub-anti-shake correction data corresponding to the plurality of original image frames. As shown in fig. 4, the processing module 204 is further configured to:
determining a preset number of first sub-anti-shake correction data associated with each of a plurality of original image frames;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the second sub-anti-shake correction data and a preset number of first sub-anti-shake correction data to determine a plurality of anti-shake image frames.
The application also provides a terminal, wherein the terminal is provided with a first terminal with a video recording function, such as a mobile phone, a video camera, a motion camera, a smart watch and the like. The terminal may also be a second terminal provided with an EIS algorithm, such as a mobile phone, a camera, a tablet computer, a laptop computer, a cloud processing platform, and the like. Of course, the terminal can also have a video recording function and be provided with an EIS algorithm.
In an exemplary embodiment, as illustrated with reference to fig. 5, the terminal 400 may include one or more of the following components: a processing component 402, a memory 404, a power component 406, a multimedia component 408, an audio component 410, an interface for input/output (I/O) 412, a sensor component 414, and a communication component 416.
The processing component 402 generally controls overall operation of the terminal 400, such as operations associated with display, telephone calls, data communications, camera module operations, and recording operations. The processing component 402 may include one or more processors 420 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 402 can include one or more modules that facilitate interaction between the processing component 402 and other components. For example, the processing component 402 can include a multimedia module to facilitate interaction between the multimedia component 408 and the processing component 402.
The memory 404 is configured to store various types of data to support operations at the terminal 400. Examples of such data include instructions for any application or method operating on the terminal 400, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 404 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power components 406 provide power to the various components of the terminal 400. The power components 406 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the terminal 400.
The multimedia component 408 includes a screen providing an output interface between the terminal 400 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 408 includes a front camera module and/or a rear camera module. When the terminal 400 is in an operation mode, such as a photographing mode or a video mode, the front camera module and/or the rear camera module can receive external multimedia data. Each front camera module and rear camera module may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 410 is configured to output and/or input audio signals. For example, the audio component 410 includes a Microphone (MIC) configured to receive external audio signals when the terminal 400 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 404 or transmitted via the communication component 416. In some embodiments, audio component 410 also includes a speaker for outputting audio signals.
The I/O interface 412 provides an interface between the processing component 402 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 414 includes one or more sensors for providing various aspects of status assessment for the terminal 400. For example, the sensor assembly 414 can detect an open/closed state of the terminal 400, relative positioning of components, such as a display and keypad of the terminal 400, the sensor assembly 414 can also detect a change in position of the terminal 400 or a component of the terminal 400, the presence or absence of user contact with the terminal 400, orientation or acceleration/deceleration of the terminal 400, and a change in temperature of the terminal 400. The sensor assembly 414 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 414 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 416 is configured to facilitate communications between the terminal 400 and other devices in a wired or wireless manner. The device 700 may access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G, 5G, or a combination thereof. In an exemplary embodiment, the communication component 416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 416 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the terminal 400 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described video recording method, and/or the above-described video processing method.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 404 comprising instructions, executable by the processor 420 of the terminal 400 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like. The instructions in the storage medium, when executed by a processor of the terminal, enable the terminal to perform the video recording method, and/or the video processing method shown in the above-described embodiments.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (17)
1. A video recording method is applied to a first terminal, and is characterized by comprising the following steps:
acquiring a plurality of original image frames;
determining an original video according to the plurality of original image frames;
acquiring anti-shake correction data, wherein the anti-shake correction data is used for carrying out anti-shake correction processing on the plurality of original image frames;
and generating an object file according to the original video and the anti-shake correction data, wherein the object file comprises the original video and the anti-shake correction data.
2. The video recording method according to claim 1, wherein said generating a target file from said original video and said anti-shake correction data comprises:
and taking the anti-shake correction data as metadata, storing the metadata to the original video, and generating the target file.
3. The video recording method according to claim 1 or 2, wherein the anti-shake correction data comprises a first sub-anti-shake correction data corresponding to each of the plurality of original image frames and a second sub-anti-shake correction data corresponding to the plurality of original image frames.
4. The video recording method according to claim 3, wherein the first sub-anti-shake correction data comprises motion attitude information and/or optical anti-shake information, and a timestamp of the first sub-anti-shake correction data corresponds to a timestamp of the original image frame.
5. The video recording method of claim 3, wherein said second sub-anti-shake correction data includes shot parameters when said plurality of original image frames were recorded.
6. A video processing method is applied to a second terminal, and is characterized in that the video processing method comprises the following steps:
acquiring a target file; the target file comprises an original video and anti-shake correction data, and the anti-shake correction data is used for carrying out anti-shake correction processing on the original video;
determining the original video and the anti-shake correction data according to the target file;
determining a plurality of original image frames according to the original video;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data, and determining a plurality of anti-shake image frames after anti-shake correction processing.
7. The video processing method according to claim 6, wherein said determining the original video and the anti-shake correction data from the object file comprises:
and extracting the anti-shake correction data from the metadata of the target file, and determining the anti-shake correction data and the original video.
8. The video processing method according to claim 6 or 7, wherein the video processing method further comprises:
playing the anti-shake image frames according to the timestamps of the anti-shake image frames; and/or the presence of a gas in the gas,
and according to the timestamps of the anti-shake image frames, encoding the anti-shake image frames, and determining the anti-shake video subjected to anti-shake correction.
9. The video processing method according to claim 6 or 7, wherein the anti-shake correction data comprises a first sub-anti-shake correction data corresponding to each of the plurality of original image frames and a second sub-anti-shake correction data corresponding to the plurality of original image frames;
the determining a plurality of anti-shake image frames after anti-shake processing by performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data includes:
determining a preset number of first sub-anti-shake correction data associated with each original image frame of the plurality of original image frames;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the second sub-anti-shake correction data and the preset number of first sub-anti-shake correction data, and determining the plurality of anti-shake image frames.
10. A video recording apparatus applied to a first terminal, the video recording apparatus comprising:
the first acquisition module is used for acquiring a plurality of original image frames;
the image processing device is also used for acquiring anti-shake correction data, and the anti-shake correction data is used for carrying out anti-shake correction processing on the plurality of original image frames;
a first determining module, configured to determine an original video according to the plurality of original image frames;
and the image processing device is further used for generating an object file according to the original video and the anti-shake correction data, wherein the object file comprises the original video and the anti-shake correction data.
11. The video recording device of claim 10, wherein the first determining module is further configured to:
and taking the anti-shake correction data as metadata, storing the metadata to the original video, and generating the target file.
12. A video processing apparatus applied to a second terminal, the video processing apparatus comprising:
the second acquisition module is used for acquiring the target file; the target file comprises an original video and anti-shake correction data, wherein the anti-shake correction data are data used for carrying out anti-shake correction processing on the original video;
the second determining module is used for determining the original video and the anti-shake correction data according to the target file;
the video processing device is also used for determining a plurality of original image frames according to the original video;
and the image processing device is further used for carrying out anti-shake correction processing on each original image frame in the plurality of original image frames according to the anti-shake correction data, and determining a plurality of anti-shake image frames after anti-shake correction processing.
13. The video processing apparatus of claim 12, wherein the second determining module is further configured to:
and extracting the anti-shake correction data from the metadata of the target file, and determining the anti-shake correction data and the original video.
14. The video processing apparatus according to claim 12 or 13, wherein the video processing apparatus further comprises:
the playing module is used for playing the anti-shake image frames according to the timestamps of the anti-shake image frames; and/or the presence of a gas in the gas,
and the processing module is used for coding the anti-shake image frames according to the timestamps of the anti-shake image frames and determining the anti-shake video subjected to anti-shake correction processing.
15. The apparatus according to claim 12 or 13, wherein the anti-shake correction data comprises a first sub-anti-shake correction data corresponding to each of the plurality of original image frames, and a second sub-anti-shake correction data corresponding to the plurality of original image frames;
the processing module is further configured to:
determining a preset number of first sub-anti-shake correction data associated with each original image frame of the plurality of original image frames;
and performing anti-shake correction processing on each original image frame in the plurality of original image frames according to the second sub-anti-shake correction data and the preset number of first sub-anti-shake correction data, and determining the plurality of anti-shake image frames.
16. A terminal, characterized in that the terminal comprises:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute,
the video recording method of any one of claims 1 to 5; and/or the presence of a gas in the gas,
the video recording method according to any one of claims 6 to 9.
17. A non-transitory computer readable storage medium, wherein instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform,
the video recording method of any one of claims 1 to 5; and/or the presence of a gas in the gas,
the video recording method according to any one of claims 6 to 9.
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