CN108271432B - Video recording method, device and shooting equipment - Google Patents

Abstract

A video recording method, a video recording device and shooting equipment are provided, wherein the method comprises the following steps: (101) acquiring the playing rate of the shooting equipment when playing the video image; (102) acquiring a recording rate parameter determined based on a user selection instruction; (103) and recording the video image based on the playing rate and the recording rate parameter. By adopting the embodiment of the invention, the video can be recorded according to the recording rate required by the user, so that the recording efficiency and the flexibility of the video are improved.

Description

Video recording method, device and shooting equipment

The disclosure of this patent document contains material that is subject to copyright protection. This copyright belongs to the copyright owner. The copyright owner has no objection to the reproduction by anyone of the patent document or the patent disclosure as it exists in the official records and archives of the Patent and Trademark Office.

technical field

The present application relates to the field of communication technologies, and in particular, to a video recording method, device, and shooting device.

Background technique

With the continuous development of terminal technology and image processing technology, shooting equipment such as cameras and video cameras are widely used. The shooting device can be used for photographing, video recording, video recording, etc., which brings great convenience to the user's study, life and work.

In the existing shooting technology, when performing a video recording operation, the shooting device often cannot adjust the recording speed, and can only record at a specified video playback speed, which reduces the flexibility of video recording. When you need to obtain a slow-motion video, you can only shoot a video with a high frame rate first, and then process the video to change the frame rate to obtain the slow-motion video; similarly, when you need to obtain a fast-motion video, you can only shoot first A video with a low frame rate, and then the video is processed to change the frame rate to obtain the fast motion video. However, the method of shooting first and then processing will result in a larger video and lower recording efficiency, which cannot meet the shooting needs of users.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a video recording method, device, and shooting device, which can record videos according to a recording rate required by users, thereby improving video recording efficiency and flexibility.

In a first aspect, an embodiment of the present invention provides a video recording method, including:

Get the playback rate of the shooting device when playing the video image;

Obtain the recording rate parameter determined based on the user's selection instruction;

The video image is recorded based on the playback rate and the recording rate parameter.

In a second aspect, an embodiment of the present invention further provides a video recording device, including:

an acquisition module, used to acquire the playback rate of the shooting device when playing the video image;

The obtaining module is further configured to obtain the recording rate parameter determined based on the user's selection instruction;

A recording module, configured to record the video image based on the playback rate and the recording rate parameter acquired by the acquiring module.

In a third aspect, an embodiment of the present invention further provides a photographing device, including: a memory and a processor, where the processor is connected to the memory; wherein,

the memory for storing program instructions;

The processor is configured to invoke the program instructions stored in the memory to execute:

Get the playback rate of the shooting device when playing the video image;

Obtain the recording rate parameter determined based on the user's selection instruction;

The video image is recorded based on the playback rate and the recording rate parameter.

Implementing the embodiment of the present invention has the following beneficial effects:

In this embodiment of the present invention, the video image can be recorded based on the playback rate and the recording rate parameter by acquiring the playback rate of the shooting device when playing the video image and the recording rate parameter determined based on the user's selection instruction, so that the video image can be recorded according to user requirements. Recording video at the recording rate, thus improving the recording efficiency and flexibility of the video.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic flowchart of a video recording method provided by an embodiment of the present invention;

2 is a schematic flowchart of another video recording method provided by an embodiment of the present invention;

3 is a schematic diagram of a thread management provided by an embodiment of the present invention;

4 is a schematic structural diagram of a video recording device provided by an embodiment of the present invention;

5 is a schematic structural diagram of a photographing device provided by an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of another photographing device provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The terms "first", "second" and the like in the description and claims of the present invention are used to distinguish different objects, rather than to describe a specific order. Furthermore, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or modules is not limited to the listed steps or modules, but optionally also includes unlisted steps or modules, or optionally also includes Other steps or modules inherent to these processes, methods, products or devices.

Optionally, the technical solutions of the embodiments of the present invention may be specifically applied to mobile phones (such as Android mobile phones, iOS mobile phones, etc.), tablet computers, mobile internet devices (MID for short), and personal digital assistants (personal digital assistant, short for short). PDA), video cameras, cameras and other devices with video recording function.

Further optionally, a sensor may be set in the photographing device for capturing images, and switching between slow motion, normal speed, time-lapse photography effects, and the like may be implemented according to the shooting frame rate and the frame rate of the output image. Among them, it is assumed that the number of image frames acquired in a unit time, such as 1 second, is M frames (that is, the frame rate is Mfps), and the playback is performed according to N frames per unit time (that is, the frame rate is Nfps), if M is greater than N, that is, slow mode, you can get a slow-motion effect; if M is less than N, that is, fast mode, you can get a fast-motion effect; if M is equal to N, that is normal mode, you can get a normal playback Effect. Wherein, both M and N are greater than 0. For example, assuming that the shooting device shoots at a high frame rate (such as 120p) and outputs a 30p video, it is 4x slow-motion photography. If a photo is taken in 1s, a 30p video for 1 second is output in 30s, which is 30x time-lapse photography.

The embodiments of the present invention disclose a video recording method, device and shooting device, which can record videos according to the recording rate required by users, thereby improving the video recording efficiency and flexibility. Detailed descriptions are given below.

Please refer to FIG. 1. FIG. 1 is a schematic flowchart of a video recording method provided by an embodiment of the present invention. Specifically, as shown in FIG. 1 , the video recording method according to the embodiment of the present invention may include the following steps:

101. Acquire the playback rate of the shooting device when playing the video image.

102. Acquire the recording rate parameter determined based on the user selection instruction.

Specifically, when video recording is performed, a recording rate parameter of the video recording can be determined according to user requirements. For example, multiple rate buttons can be provided (for example, the rate buttons can be set on the shooting device itself or on a PTZ connected to the shooting device) for the user to select the recording rate parameters, or by outputting an interactive interface including multiple recording rates to For the user to select the recording rate parameter, or by outputting a window to allow the user to directly input the recording rate parameter, etc., the method for determining the recording rate parameter is not limited in this embodiment of the present invention. Wherein, the recording rate parameter may be a specific rate value, such as 15fps, 30fps, 60fps, 120fps, etc.; or, the recording rate parameter may also be a rate change value used to indicate slowing down the recording rate or speeding up the recording rate, such as 3x faster (+3x), 4x slower (-4x), etc.

103. Record the video image based on the playback rate and the recording rate parameter.

Specifically, after determining the playback rate when playing the video and the required recording rate parameter, the video image can be recorded based on the playback rate and the recording rate parameter. For example, the recording rate can be calculated based on the playback rate and the recording rate parameter. input rate to write video data based on the write rate to complete video recording. The playback rate can be matched with the shooting rate of the shooting device, so that the video can be recorded while shooting, and the recording can be completed after shooting, and the video recording has high flexibility and efficiency.

In the embodiment of the present invention, the video image can be recorded based on the playback rate and the recording rate parameter by acquiring the playback rate of the shooting device when playing the video image and the recording rate parameter determined based on the user's selection instruction, so that it is possible to record the video image based on the playback rate and the recording rate parameter. The video is recorded at the recording rate required by the user, thereby improving the recording efficiency and flexibility of the video.

Further, please refer to FIG. 2, which is a schematic flowchart of another video recording method provided by an embodiment of the present invention. Specifically, as shown in FIG. 2 , the video recording method according to the embodiment of the present invention may include the following steps:

201. Acquire a playback rate of a shooting device when playing a video image.

202. Acquire the recording rate parameter determined based on the user selection instruction.

Optionally, the acquiring the recording rate parameter determined based on the user's selection instruction may specifically include: acquiring device parameter information of the photographing device; determining at least one group supported by the photographing device based on the device parameter information recording rate parameters; displaying an interactive interface including the at least one group of recording rate parameters; receiving a selection instruction input by the user for the at least one group of recording rate parameters, where the selection instruction may indicate the determined recording rate parameters. Therefore, the recording rate parameter required by the user can be determined based on the selection instruction.

Specifically, since the range of frame rates supported by different shooting devices may be different, the frame rate that the shooting device can support can be determined by obtaining the device parameter information of the shooting device, such as the device model, to determine the slowest recording speed. The speed or fastest rate is a multiple of the normal speed, enabling video recording based on the frame rate supported by the capture device. Optionally, after determining the frame rate that the shooting device can support, the recording rate corresponding to the supported frame rate can be output for the user to select, so that the user can select a rate as the recording rate for video recording. In other optional embodiments, the user can also input the recording rate parameter by clicking a preset button, such as inputting the recording rate parameter by clicking a rate button set on the photographing device or on a PTZ connected to the photographing device .

203. Calculate, based on the playing rate and the recording rate parameter, a writing rate of the video data corresponding to the video image.

204. Record the video image according to the writing rate.

Optionally, calculating the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter may be specifically: when the recording mode indicated by the recording rate parameter is determined to be a fast mode , determine the first ratio between the recording rate parameter and the playback rate; calculate the write rate based on the playback rate, the fast mode, and the first ratio, and use the calculated write rate as The writing rate of the video data corresponding to the video image. Specifically, when it is detected that the recording rate parameter selected by the user corresponds to the fast mode, the multiple of the recording rate parameter and the playback rate, that is, the first ratio, can be obtained, and a fast action can be performed on the recorded video based on the first ratio. Process and write to file for storage. For example, assuming that the obtained playback rate is 30fps, and it is detected that the user clicks the set rate button "+3x", it can be determined that the recording mode corresponding to the "+3x" is the fast mode, and the first ratio is 3, which can be calculated as The writing rate is 120fps, and video data can be written at a writing rate that is 3 times faster than the playback rate according to the recording rate parameter.

Optionally, calculating the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter may be specifically: when the recording mode indicated by the recording rate parameter is determined to be slow mode, determine the second ratio of the playback rate to the recording rate parameter; calculate the write rate based on the playback rate, the slow mode and the second ratio, and use the calculated write rate The rate is the writing rate of the video data corresponding to the video image. Specifically, by acquiring the frame rate range supported by the shooting device and the normal playback rate, it is determined that the maximum supported frame rate is a multiple of the playback rate, so as to further determine the slow speed range. When it is detected that the recording rate selected by the user corresponds to the slow mode, the multiple of the playback rate and the recording rate parameter, that is, the second ratio, can be obtained, and based on the second ratio, the recorded video is processed in slow motion and written to a file to store. For example, assuming that the acquired playback rate is 60fps, and it is detected that the user clicks the set rate button "-2x", it can be determined that the recording mode corresponding to the "-2x" is the slow mode, the second ratio is 2, and can be calculated If the writing rate is 30fps, video data can be written at a writing rate that slows down the playback rate by 2 times according to the recording rate parameter.

Optionally, the recording parameter may also be a specific rate value, and the rate value indicated by the recording rate parameter that the user can operate and input to the photographing device may also be used as the writing rate.

205. Receive a rate change instruction input based on a user operation.

206. In response to the rate modification instruction, suspend the recording of the video image, and acquire a new recording rate parameter corresponding to the rate modification instruction.

207. Record the video image based on the playback rate and the new recording rate parameter.

During the recording process, it is also possible to detect whether a rate change instruction for instructing to change the recording rate is received, so that the recording rate can be changed when it is confirmed that the user's change instruction is received, thereby realizing flexible adjustment of the recording rate. The rate change instruction carries the changed recording rate information, that is, the new recording rate parameter. For example, a rate button indicating the recording rate can be added on the shooting device in advance. For example, an acceleration/deceleration (+/-) rate button can be added on the handheld gimbal of the shooting device. By clicking the rate button, the working mode of the sensor can be switched. be 120p, 30p, 1p or more. Users can change the specified video recording rate by operating the buttons on the handheld PTZ of the shooting device, so as to realize the combination of intelligent speed regulation and fast and slow speed during the recording process.

Further optionally, in some embodiments, the recording of the video image may also be stopped when the input of the recording rate parameter is detected or the recording device pauses to play the video image. Further, when a new writing rate is obtained, recording can be continued according to the new writing rate.

Further optionally, in some embodiments, object tracking can also be performed based on the video image. The thread used for object tracking, the thread used for video image playback, and the thread used for video image recording may be independent of each other. Wherein, tracking refers to selecting a specific target (such as a person, an animal, etc.) in the image. When the target moves, the video recording device can move with the target, so that the target is always in the shooting position of the video recording device. Within the recorded image or video, the tracking used can be the same image as the recorded video image, or a different image. Tracking can use the original image obtained by shooting to ensure the efficiency of tracking; and the recorded video image can be the original image or the processed image.

Specifically, as shown in FIG. 3 , in this embodiment of the present invention, an independent thread of a video stream is responsible for processing video stream data, and can copy the video stream into multiple pieces of data. Among them, one can be adjusted by the central processing unit (CPU) for frame rate adjustment and handed over to the video recording thread for recording video operations; GPU) for video display; a copy can be handed over to the tracking thread for processing by the GPU. In this way, video can be displayed, recorded and tracked at the same time through multi-threaded resource scheduling, and through reasonable resource allocation processing by CPU or GPU, fast and flexible switching of recording rates and fast video synthesis are ensured.

For example, when recording a stored video image or a video image currently being shot based on user requirements, the user can select a recording rate and click to start recording, thereby triggering the recording rate parameter according to the selection and the recording rate. Video recording is performed at the playback rate corresponding to the video image. Specifically, a new file can be created in the specified directory of the local folder, and a new writing thread can be created to perform thread rotation. When the video to be recorded is in a non-paused state, the recording speed can be set according to the target recording speed set by the user. The video data of the recorded video is written in the fast mode or the fast mode, and the data is written to the file by modifying the time of the video callback data. Further, in the process of video recording, if the user needs to modify the recording rate, after receiving the rate modification instruction input by the user, for example, when the user clicks the rate recording instruction triggered by another recording rate, the recording can be paused first, and the user can obtain the rate modification instruction. The latest recording rate set, that is, the new recording rate parameter. It is detected that the new recording rate parameter is a slow mode or a fast mode, and the video callback frame rate is set based on the new recording rate parameter, that is, a new writing rate is determined. Further, the pause mode can be turned off to ensure that the writing thread continues to write data. When the user clicks to stop recording, or when the video playback is completed, the writing is completed, and the thread can be closed. The recording is now complete.

In the embodiment of the present invention, the synchronization of recording and other operations can be ensured through the control of an independent writing thread and the change of the writing video data rate, so that multiple operations can be implemented optimally. Speed-adjusted video recording and support for tracking at the same time make it possible to obtain alternately fast and slow videos at one time, which reduces the waiting time for generating videos. At the same time, through the reasonable resource allocation of GPU and CPU, multi-channel data operations can still be performed smoothly at the same time, and the writing rate of recorded video can be modified by modifying the time of the recalled video data to prevent frame loss. phenomenon, thus effectively improving the efficiency, flexibility and reliability of video recording.

Please refer to FIG. 4 , which is a schematic structural diagram of a video recording apparatus 10 according to an embodiment of the present invention. Specifically, as shown in FIG. 4 , the video recording apparatus 10 in the embodiment of the present invention may include an acquisition module 11 and a recording module 12 . in,

The obtaining module 11 is used to obtain the playback rate of the video image when the shooting device is playing.

The obtaining module 11 is further configured to obtain the recording rate parameter determined based on the user's selection instruction.

Specifically, when video recording is required, the acquisition module 11 may determine the recording rate parameter of the video recording according to the user's requirement. The recording rate parameter may be a specific rate value, or the recording rate parameter may also be a rate change value used to instruct to slow down the recording rate or speed up the recording rate, etc., which is not limited in the embodiment of the present invention.

The recording module 12 is configured to record the video image based on the playback rate and the recording rate parameters acquired by the acquiring module 11 .

Optionally, the recording module 12 can be specifically used for:

Calculate the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter;

The video image is recorded at the write rate.

Specifically, after the acquisition module 11 determines the playback rate when playing the video and the required recording rate parameter, the recording module 12 can record the video image based on the playback rate and the recording rate parameter, for example, based on the playback rate and the recording rate parameter. The recording rate parameter calculates a writing rate to write video data based on the writing rate, thereby completing video recording. The playback rate can be matched with the shooting rate of the shooting device, so that the video can be recorded while shooting, and the recording can be completed after shooting, and the video recording has high flexibility and efficiency.

Optionally, when calculating the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter, the recording module 12 can be specifically used to:

When the recording mode indicated by the recording rate parameter is determined to be the fast mode, determining a first ratio between the recording rate parameter and the playback rate;

A write rate is calculated based on the play rate, the fast mode and the first ratio, and the calculated write rate is used as the write rate of the video data corresponding to the video image.

Specifically, when it is detected that the recording rate selected by the user corresponds to the fast mode, the recording module 12 can obtain the multiple of the recording rate parameter and the playback rate, that is, the first ratio, and can perform the recording of the recorded video based on the first ratio. Fast motion processing and writing to file for storage.

Optionally, when calculating the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter, the recording module 12 can be specifically used to:

When the recording mode indicated by the recording rate parameter is determined to be the slow mode, determining a second ratio of the playback rate to the recording rate parameter;

A write rate is calculated based on the play rate, the slow mode and the second ratio, and the calculated write rate is used as the write rate of the video data corresponding to the video image.

Specifically, when it is detected that the recording rate selected by the user corresponds to the slow mode, the recording module 12 can obtain the multiple of the playback rate and the recording rate parameter, that is, the second ratio, and slow down the recorded video based on the second ratio. Actions are processed and written to a file for storage.

Further optionally, when the acquisition module 11 acquires the recording rate parameter determined based on the user's selection instruction, it can be specifically used for:

obtain device parameter information of the shooting device;

determining at least one set of recording rate parameters supported by the shooting device based on the device parameter information;

displaying an interactive interface including the at least one set of recording rate parameters;

A selection instruction input by the user for the at least one set of recording rate parameters is received, and the selection instruction indicates that there are determined recording rate parameters.

Further optionally, the device 10 may further include:

a control module 13, configured to suspend the recording of the video image when receiving a rate change instruction input based on a user operation;

The acquisition module 11 can also be used to acquire a new recording rate parameter corresponding to the rate modification instruction;

The recording module 12 is further configured to record the video image based on the playback rate and the new recording rate parameter acquired by the acquiring module 11 .

During the recording process, the control module 13 can also detect whether a rate change instruction for instructing to change the recording rate is received, so as to change the recording rate when it is confirmed that the user's change instruction is received, so as to realize flexible adjustment of the recording rate. The rate change instruction carries the changed recording rate information, that is, the new recording rate parameter.

Further optionally, in some embodiments,

The control module 13 is further configured to stop recording the video image when the input of the recording rate parameter is detected.

Specifically, the control module 13 may also control to stop the video recording when detecting that the recording rate parameter is input or the photographing device pauses to play the video image.

Further optionally, in some embodiments, the apparatus 10 may further include:

a tracking module 14, configured to perform object tracking based on the video image;

Wherein, the thread used for the object tracking, the thread used for the video image playback, and the thread used for the video image recording may be independent of each other.

Specifically, through reasonable resource allocation processing by CPU or GPU and multi-channel resource scheduling under multi-threading, simultaneous video display, video recording, and tracking are realized, which ensures fast and flexible switching of recording rates and fast video synthesis.

In the embodiment of the present invention, the video image can be recorded based on the playback rate and the recording rate parameter by acquiring the playback rate of the shooting device when playing the video image and the recording rate parameter determined based on the user's selection instruction, so that it is possible to record the video image based on the playback rate and the recording rate parameter. The video is recorded at the recording rate required by the user, thereby improving the recording efficiency and flexibility of the video.

Embodiments of the present invention further provide a computer storage medium, where program instructions are stored in the computer storage medium, and when the program instructions are executed, they may include some or all of the steps of the video recording method in the embodiments corresponding to FIGS. 1 to 3 .

Referring to FIG. 5, FIG. 5 is a schematic structural diagram of a photographing device provided by an embodiment of the present invention. As shown in FIG. 5 , the photographing apparatus 1 in the embodiment of the present invention may include a video recording device 10 and a pan/tilt 20 connected to the video recording device 10 .

Specifically, for the video recording apparatus 10, reference may be made to the relevant description of the video recording apparatus 10 in the embodiment corresponding to FIG. 4, which is not repeated here. Further, the gimbal 20 can automatically follow the selected target, use three-axis stabilization to filter bumps and jitters in motion, and use three-axis mobile time-lapse photography and other functions to bring more dynamic visual effects. .

Referring to FIG. 6 again, FIG. 6 is a schematic structural diagram of another photographing device provided by an embodiment of the present invention. The photographing device 1 in the embodiment of the present invention may include: a communication interface 300, a memory 200, and a processor 100, so The processor 100 is connected to the communication interface 300 and the memory 200 respectively.

The communication interface 300 may include various standard keys, a touch screen, a camera, a speaker, etc., and may also include a wired interface, a wireless interface, and the like.

The memory 200 may include volatile memory (volatile memory), such as random-access memory (random-access memory, RAM for short); the memory 200 may also include non-volatile memory (non-volatile memory), such as flash memory (flash memory), etc.; the memory 200 may also include a combination of the above-mentioned types of memories. The memory 200 may store an operating system, program instructions required for at least one function, and the like. In this embodiment of the present invention, the operating system may be an Android system, an iOS system, a Windows operating system, or the like.

The processor 100 may include a central processing unit (central processing unit, CPU for short) and a graphics processing unit (graphics processing unit, GPU for short). The processor 100 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC for short), a programmable logic device (PLD for short) or a combination thereof. The above-mentioned PLD may be a complex programmable logic device (CPLD for short), a field-programmable gate array (FPGA for short), or the like.

Optionally, the memory 200 is also used for storing program instructions. The processor 100 may invoke the program instructions to implement the video recording method shown in the embodiments of FIG. 1 to FIG. 3 of the present application.

Specifically, the processor 100 may invoke the program instructions stored in the memory 200 to execute:

Get the playback rate of the shooting device when playing the video image;

Obtain the recording rate parameter determined based on the user's selection instruction;

The video image is recorded based on the playback rate and the recording rate parameter.

Optionally, when performing the recording of the video image based on the playback rate and the recording rate parameter, the processor 100 specifically performs the following steps:

Calculate the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter;

The video image is recorded at the write rate.

Optionally, when the processor 100 calculates the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter, the processor 100 specifically performs the following steps:

When the recording mode indicated by the recording rate parameter is determined to be the fast mode, determining a first ratio between the recording rate parameter and the playback rate;

A write rate is calculated based on the play rate, the fast mode and the first ratio, and the calculated write rate is used as the write rate of the video data corresponding to the video image.

Optionally, when the processor 100 calculates the writing rate of the video data corresponding to the video image based on the playback rate and the recording rate parameter, the processor 100 specifically performs the following steps:

When the recording mode indicated by the recording rate parameter is determined to be the slow mode, determining a second ratio of the playback rate to the recording rate parameter;

A write rate is calculated based on the play rate, the slow mode and the second ratio, and the calculated write rate is used as the write rate of the video data corresponding to the video image.

Optionally, when the processor 100 executes the obtaining of the recording rate parameter determined based on the user's selection instruction, the processor 100 specifically executes the following steps:

obtain device parameter information of the shooting device;

determining at least one set of recording rate parameters supported by the shooting device based on the device parameter information;

displaying an interactive interface including the at least one set of recording rate parameters;

A selection instruction input by the user for the at least one set of recording rate parameters is received through the communication interface 300, where the selection instruction indicates that there are determined recording rate parameters.

Optionally, the processor 100 further performs the following steps:

Receive a rate change instruction based on user operation input through the communication interface 300;

In response to the rate change instruction, suspend the recording of the video image, and obtain a new recording rate parameter corresponding to the rate change instruction;

The video image is recorded based on the playback rate and the new recording rate parameter.

Optionally, the processor 100 further performs the following steps:

When the input of the recording rate parameter is detected, the recording of the video image is stopped.

Optionally, the processor 100 further performs the following steps:

object tracking based on the video image;

Wherein, the thread used for the object tracking, the thread used for the video image playback and the thread used for the video image recording are independent of each other.

In the embodiment of the present invention, the video image can be recorded based on the playback rate and the recording rate parameter by acquiring the playback rate of the shooting device when playing the video image and the recording rate parameter determined based on the user's selection instruction, so that it is possible to record the video image based on the playback rate and the recording rate parameter. The video is recorded at the recording rate required by the user, thereby improving the recording efficiency and flexibility of the video.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The unit described as a separate component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, it may be located in one place, or may be distributed to multiple network units. . Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units.

The above-mentioned integrated units implemented in the form of software functional units can be stored in a computer-readable storage medium. The above-mentioned software functional unit is stored in a storage medium, and includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute the methods described in the various embodiments of the present invention. some steps. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

Those skilled in the art can clearly understand that, for the convenience and brevity of the description, only the division of the above functional modules is used for illustration. The internal structure is divided into different functional modules to complete all or part of the functions described above. For the specific working process of the apparatus described above, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described herein again.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (18)

1. A method for video recording, comprising:

acquiring video stream data;

copying the video stream data into a plurality of copies of data;

performing frame rate adjustment on one part of data to perform video recording operation, performing video display on the other part of data, and performing object tracking on the other part of data;

the video recording operation of adjusting the frame rate of one piece of data comprises the following steps:

acquiring the playing rate of the shooting equipment when playing the video image, wherein the playing rate is matched with the shooting rate of the shooting equipment, and the video image is any one of the multiple data;

acquiring a recording rate parameter determined based on a user selection instruction;

recording the video image based on the playing rate and the recording rate parameter;

wherein recording the video image based on the play rate and the recording rate parameter comprises:

calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter;

and recording the video image according to the writing rate.

2. The method of claim 1, wherein calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter comprises:

when the recording mode indicated by the recording rate parameter is determined to be a fast mode, determining a first ratio of the recording rate parameter to the playing rate;

and calculating a writing rate based on the playing rate, the fast mode and the first ratio, and taking the calculated writing rate as the writing rate of the video data corresponding to the video image.

3. The method of claim 1, wherein calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter comprises:

when the recording mode indicated by the recording rate parameter is determined to be a slow mode, determining a second ratio of the playing rate to the recording rate parameter;

and calculating a writing rate based on the playing rate, the slow mode and the second ratio, and taking the calculated writing rate as the writing rate of the video data corresponding to the video image.

4. The method according to any of claims 1-3, wherein obtaining the recording rate parameter determined based on the user selection instruction comprises:

acquiring equipment parameter information of the shooting equipment;

determining at least one group of recording rate parameters supported by the shooting equipment based on the equipment parameter information;

displaying an interactive interface including the at least one set of recording rate parameters;

and receiving a selection instruction input by a user aiming at the at least one group of recording rate parameters, wherein the selection instruction indicates that the determined recording rate parameters exist.

5. The method of claim 4, further comprising:

receiving a rate change instruction based on user operation input;

responding to the speed changing instruction, stopping recording the video image, and acquiring a new recording speed parameter corresponding to the speed changing instruction;

and recording the video image based on the playing rate and the new recording rate parameter.

6. The method of claim 5, further comprising:

and when the input of the recording rate parameter is detected, stopping recording the video image.

7. A video recording apparatus, comprising:

the acquisition module is used for acquiring video stream data; copying the video stream data into a plurality of copies of data; performing frame rate adjustment on one part of data to perform video recording operation, performing video display on the other part of data, and performing object tracking on the other part of data;

when the acquisition module performs frame rate adjustment on a copy of data for video recording, the acquisition module is specifically configured to:

acquiring the playing rate of the shooting equipment when playing the video image, wherein the playing rate is matched with the shooting rate of the shooting equipment, and the video image is any one of the multiple data;

the acquisition module is also used for acquiring the recording rate parameter determined based on the user selection instruction;

the recording module is used for recording the video image based on the playing rate and the recording rate parameter acquired by the acquisition module;

wherein, when the recording module records the video image based on the playing rate and the recording rate parameter, the recording module is specifically configured to:

calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter; and recording the video image according to the writing rate.

8. The apparatus of claim 7, wherein the recording module, when calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter, is specifically configured to:

when the recording mode indicated by the recording rate parameter is determined to be a fast mode, determining a first ratio of the recording rate parameter to the playing rate;

and calculating a writing rate based on the playing rate, the fast mode and the first ratio, and taking the calculated writing rate as the writing rate of the video data corresponding to the video image.

9. The apparatus of claim 7, wherein the recording module, when calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter, is specifically configured to:

when the recording mode indicated by the recording rate parameter is determined to be a slow mode, determining a second ratio of the playing rate to the recording rate parameter;

and calculating a writing rate based on the playing rate, the slow mode and the second ratio, and taking the calculated writing rate as the writing rate of the video data corresponding to the video image.

10. The apparatus according to any of claims 7-9, wherein the obtaining module, when obtaining the recording rate parameter determined based on the user selection instruction, is specifically configured to:

acquiring equipment parameter information of the shooting equipment;

determining at least one group of recording rate parameters supported by the shooting equipment based on the equipment parameter information;

displaying an interactive interface including the at least one set of recording rate parameters;

and receiving a selection instruction input by a user aiming at the at least one group of recording rate parameters, wherein the selection instruction indicates that the determined recording rate parameters exist.

11. The apparatus of claim 10, further comprising:

the control module is used for pausing the recording of the video image when receiving a speed change instruction input based on user operation;

the acquisition module is further configured to acquire a new recording rate parameter corresponding to the rate change instruction;

and the recording module is also used for recording the video image based on the playing rate and the new recording rate parameter.

12. The apparatus of claim 11,

the control module is further configured to stop recording the video image when the input of the recording rate parameter is detected.

13. A photographing apparatus, characterized by comprising: a memory and a processor, the processor coupled to the memory; wherein,

the memory to store program instructions;

the processor is used for calling the program instructions stored in the memory to execute:

acquiring video stream data;

copying the video stream data into a plurality of copies of data;

performing frame rate adjustment on one part of data to perform video recording operation, performing video display on the other part of data, and performing object tracking on the other part of data;

when the processor performs frame rate adjustment on a copy of data for video recording, the processor is specifically configured to:

acquiring the playing rate of the shooting equipment when playing the video image, wherein the playing rate is matched with the shooting rate of the shooting equipment, and the video image is any one of the multiple data;

acquiring a recording rate parameter determined based on a user selection instruction;

recording the video image based on the playing rate and the recording rate parameter;

wherein, when the processor records the video image based on the playing rate and the recording rate parameter, the processor is specifically configured to:

calculating the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter;

and recording the video image according to the writing rate.

14. The apparatus according to claim 13, wherein the processor, when executing the calculating of the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter, specifically executes the following steps:

when the recording mode indicated by the recording rate parameter is determined to be a fast mode, determining a first ratio of the recording rate parameter to the playing rate;

and calculating a writing rate based on the playing rate, the fast mode and the first ratio, and taking the calculated writing rate as the writing rate of the video data corresponding to the video image.

15. The apparatus according to claim 13, wherein the processor, when executing the calculating of the writing rate of the video data corresponding to the video image based on the playing rate and the recording rate parameter, specifically executes the following steps:

when the recording mode indicated by the recording rate parameter is determined to be a slow mode, determining a second ratio of the playing rate to the recording rate parameter;

and calculating a writing rate based on the playing rate, the slow mode and the second ratio, and taking the calculated writing rate as the writing rate of the video data corresponding to the video image.

16. The apparatus according to any of claims 13-15, wherein the apparatus further comprises a communication interface; when the processor executes the recording rate parameter determined based on the user selection instruction, the following steps are specifically executed:

acquiring equipment parameter information of the shooting equipment;

determining at least one group of recording rate parameters supported by the shooting equipment based on the equipment parameter information;

displaying an interactive interface including the at least one set of recording rate parameters;

and receiving a selection instruction input by a user aiming at the at least one group of recording rate parameters through the communication interface, wherein the selection instruction indicates that the determined recording rate parameters exist.

17. The apparatus of claim 16, wherein the processor further performs the steps of:

receiving a rate change instruction based on user operation input through the communication interface;

responding to the speed changing instruction, stopping recording the video image, and acquiring a new recording speed parameter corresponding to the speed changing instruction;

and recording the video image based on the playing rate and the new recording rate parameter.

18. The apparatus of claim 17, wherein the processor further performs the steps of:

and when the input of the recording rate parameter is detected, stopping recording the video image.

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