CN109660745A - Video recording method, device, terminal and computer readable storage medium - Google Patents
Video recording method, device, terminal and computer readable storage medium Download PDFInfo
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- 238000003860 storage Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 9
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- 238000001514 detection method Methods 0.000 claims description 30
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- 230000015572 biosynthetic process Effects 0.000 abstract description 11
- 238000003786 synthesis reaction Methods 0.000 abstract description 11
- 230000001815 facial effect Effects 0.000 description 21
- 238000001727 in vivo Methods 0.000 description 21
- 230000008859 change Effects 0.000 description 17
- 238000004891 communication Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000013475 authorization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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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 or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
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Abstract
The invention discloses a kind of video recording methods, this method comprises: obtaining the collected encoding video pictures data of camera, the encoding video pictures data are converted to the video stream file of preset format；Obtain the camera it is current towards parameter；By the video stream file and it is described be sent to background server towards parameter so that the background server is according to the video stream file and described towards one video file of parameter synthesis.The invention also discloses a kind of video recording device, terminal and a kind of computer readable storage mediums.The present invention is able to solve in the prior art, and terminal carries out video record when carrying out recognition of face to realize, existing video record is ineffective, needs the problem that SDK packet to be mounted is excessive and processing load is larger.
Description
Technical field
The present invention relates to field of terminal technology more particularly to video recording method, device, terminal and computer-readable storages
Medium.
Background technique
Currently, face recognition technology is applied in all kinds of identity authorization systems more and more widely, known based on face
Other identity authorization system, it is usually required mainly for solve two problems, one is face verification, the other is In vivo detection.Wherein, living
Physical examination survey is primarily used to confirm that collected face image data rather than is played back or puppet producing material from user
Material.Requirement with each field to identity authorization system safety and reliability is higher and higher, in addition to face verification and living body are examined
Except survey, also while requiring the video recorded when user carries out recognition of face and being sent to authenticate and deposit for monitoring party from the background
Card.
In the prior art, it is recorded to realize that side carries out recognition of face (including face verification and In vivo detection) Bian Jinhang video
System, in video record, after camera data and audio data are converted to predetermined format by terminal needs, by being integrated in SDK
(one for handling the third party of audio frequency and video by FFMpeg in (Software Development Kit, software development kit)
Library) by audio, video data synthesize MP4 file reach backstage.The defect of this video recording method is: (1) terminal must be first
Downloading is just able to achieve video record comprising the SDK packet of FFMpeg, and since terminal is all kinds of, certain terminal operating FFMpeg
Performance is bad, causes user experience poor；(2) SDK externally provided as one, client are very sensitive to the size of SDK packet,
FFMpeg is introduced, the packet size of 1MB is directly increased；It (3) include audio in the video file finally synthesized, and practical recognition of face
Video authentication under scene does not need sound, so will lead to and increases the unnecessary processing load of terminal.
Summary of the invention
It is a primary object of the present invention to propose a kind of video recording method, device, terminal and computer-readable storage medium
Matter, it is intended to solve in the prior art, terminal carries out video record when carrying out recognition of face to realize, existing video record
Make problem ineffective, that need SDK packet to be mounted is excessive and processing load is larger.
To achieve the above object, the present invention provides a kind of video recording method, and the video recording method includes following step
It is rapid:
The collected encoding video pictures data of camera are obtained, the encoding video pictures data are converted into default lattice
The video stream file of formula；
Obtain the camera it is current towards parameter；
By the video stream file and it is described be sent to background server towards parameter so that the background server according to
The video stream file and described towards one video file of parameter synthesis.
Optionally, the collected encoding video pictures data of acquisition camera, by the encoding video pictures data
Before the step of being converted to the video stream file of preset format, further includes:
Video record instruction is received, is instructed according to the video record and calls camera；
Control the camera acquisition encoding video pictures data.
Optionally, described the step of controlling the camera acquisition encoding video pictures data, includes:
During the camera acquires encoding video pictures data, screen is controlled according to preset luminous parameters and is pressed
The light of default kind of color is successively issued according to preset order, so that the camera successively acquires the light of default kind of the color
Corresponding facial image forms human face image sequence, and wherein the light of each color corresponds to several frame facial images；
The disparity map between color adjacent two-by-two in the human face image sequence is obtained, difference graphic sequence is obtained；
The preset luminous parameters and the difference graphic sequence are sent to backstage light In vivo detection service, so that institute
Whether state that light In vivo detection service judges the camera current shooting is true man；
When the detection knot that the camera current shooting for receiving the light In vivo detection service return is true man
When fruit, step is executed: obtaining the collected encoding video pictures data of camera, the encoding video pictures data are converted to
The video stream file of preset format.
Optionally, the disparity map obtained between color adjacent two-by-two in the human face image sequence, obtains difference
The step of graphic sequence includes:
Identify the color change position in the human face image sequence；
Obtain the corresponding two frames facial image of two different colors of light at the color change position；
Two frame facial image corresponding to the light of described two different colours carries out variance analysis, obtains the face
The disparity map of color mutated site；
The disparity map for taking all colours mutated site in the human face image sequence obtains difference graphic sequence.
Optionally, the step of encoding video pictures data are converted into the video stream file of preset format packet
It includes:
When the encoding video pictures data got are yuv format, multimedia coding class MediaCodec is called
The encoding video pictures data of the yuv format are converted to the video stream file of H264 format by class.
Optionally, the calling multimedia coding class MediaCodec class, by the video image coding yardage of the yuv format
Include: according to the step of video stream file for being converted to H264 format
Multimedia coding class MediaCodec class is called, and obtains preset video tuning parameter；
According to the MediaCodec class and the preset video tuning parameter, by the video image of the yuv format
Coded data is converted to the video stream file of H264 format.
Optionally, the video tuning parameter includes code rate, frame per second and the key frame interval of video.
Optionally, it is described obtain the camera it is current include: towards the step of parameter
The application programming interface for calling camera programm, gets the camera shooting by the application programming interface
Head it is current towards parameter, wherein the camera is called by the camera programm.
In addition, to achieve the above object, the present invention also provides a kind of video recording device, the video recording device packet
It includes:
Camera, for acquiring encoding video pictures data；
First obtains module, for obtaining the collected encoding video pictures data of camera, by the video image coding
Code data are converted to the video stream file of preset format；
Second obtains module, for obtain the camera it is current towards parameter；
Sending module, for by the video stream file and it is described be sent to background server towards parameter so that described
Background server is according to the video stream file and described towards one video file of parameter synthesis.
Optionally, described device further include:
Processing module instructs according to the video record for receiving video record instruction and calls camera；
Control module, for controlling the camera acquisition encoding video pictures data.
Optionally, the control module includes:
Control unit, for being shone during the camera acquires encoding video pictures data according to preset
State modulator screen successively issues the light of default kind of color according to preset order so that the camera successively acquire it is described pre-
If planting the corresponding facial image of light of color, human face image sequence is formed, wherein the light of each color corresponds to several frame people
Face image；
Acquiring unit obtains difference for obtaining the disparity map between color adjacent two-by-two in the human face image sequence
Different graphic sequence；
Transmission unit, for the preset luminous parameters and the difference graphic sequence to be sent to the inspection of backstage light living body
Service is surveyed, so that whether what the light In vivo detection service judged the camera current shooting is true man；
Described first obtains module, is also used to work as when the camera for receiving the light In vivo detection service return
When preceding shooting is the testing result of true man, the collected encoding video pictures data of camera are obtained, by the video image
Coded data is converted to the video stream file of preset format.
Optionally, the acquiring unit includes:
Identify subelement, for identification the color change position in the human face image sequence；
Subelement is obtained, for obtaining the two different colors of light corresponding two at the color change position
Frame facial image；
Subelement is analyzed, carries out difference for the corresponding two frames facial image of light to described two different colours
Analysis, obtains the disparity map of the color change position；
The acquisition subelement, is also used to take the disparity map of all colours mutated site in the human face image sequence, obtains
To difference graphic sequence.
Optionally, described first module is obtained, is also used to when the encoding video pictures data got be yuv format
When, multimedia coding class MediaCodec class is called, the encoding video pictures data of the yuv format are converted into H264 format
Video stream file.
Optionally, described first module is obtained, is also used to call multimedia coding class MediaCodec class, and obtain default
Video tuning parameter；According to the MediaCodec class and the preset video tuning parameter, by the view of the yuv format
Frequency image coded data is converted to the video stream file of H264 format.
In addition, to achieve the above object, the present invention also provides a kind of terminal, the terminal include: memory, processor and
It is stored in the video record program that can be run on the memory and on the processor, the video record program is described
The step of processor realizes video recording method as described above when executing.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
Video record program is stored on storage medium, the video record program realizes video as described above when being executed by processor
The step of method for recording.
Video recording method proposed by the present invention, by transferring to background server to handle the synthesis of final video file,
So that it is not necessary that comprising FFMpeg, this not only avoids performance existing for terminal operating FFMpeg is bad in the SDK packet of terminal downloads
The problem of, the size of SDK packet is also reduced, in addition, the present invention is according only to video stream file and towards parameter synthesis final video
File avoids the burden of terminal processes caused by audio recording.To which the present invention solves in the prior art, terminal is for reality
Existing that video record is carried out when carrying out recognition of face, existing video record is ineffective, needs SDK packet to be mounted excessive,
And the problem that processing load is larger.
Detailed description of the invention
Fig. 1 is the terminal structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of video recording method first embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, Fig. 1 is the terminal structure schematic diagram for the hardware running environment that the embodiment of the present invention is related to.
The terminal of that embodiment of the invention can be PC, be also possible to smart phone, tablet computer, portable computer etc. with aobvious
Show the packaged type terminal device of function.
As shown in Figure 1, the terminal may include: processor 1001, such as CPU, network interface 1004, user interface
1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include that the wired of standard connects
Mouth, wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
Optionally, terminal can also include camera, RF (Radio Frequency, radio frequency) circuit, sensor, audio
Circuit, WiFi module etc..Wherein, sensor such as optical sensor, motion sensor and other sensors.Specifically, light
Sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can according to the light and shade of ambient light come
The brightness of display screen is adjusted, proximity sensor can close display screen and/or backlight when mobile terminal is moved in one's ear.As
One kind of motion sensor, gravity accelerometer can detect the size of (generally three axis) acceleration in all directions, quiet
Size and the direction that can detect that gravity when only, the application that can be used to identify mobile terminal posture are (such as horizontal/vertical screen switching, related
Game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；Certainly, mobile terminal can also match
The other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor are set, details are not described herein.
It will be understood by those skilled in the art that the restriction of the not structure paired terminal of terminal structure shown in Fig. 1, can wrap
It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe module, Subscriber Interface Module SIM and video record program.
In terminal shown in Fig. 1, network interface 1004 is mainly used for connecting background server, carries out with background server
Data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And processor
1001 can be used for calling the video record program stored in memory 1005, and execute in following video recording method embodiments
Operation.
The specific embodiment of terminal of the present invention and each specific embodiment of following video recording methods are essentially identical, herein not
It repeats.
Based on above-mentioned hardware configuration, video recording method embodiment of the present invention is proposed.
It is the flow diagram of video recording method first embodiment of the present invention referring to Fig. 2, Fig. 2, which comprises
Step S10 obtains the collected encoding video pictures data of camera, by the encoding video pictures data conversion
For the video stream file of preset format；
The present embodiment video recording method is applied to the scene that terminal carries out authentication to user, and such as each type of financial is infused
Volume, payment scene, wherein terminal can be the terminal for carrying Android operation system, be also possible to carry the end of other operating systems
End.In authentication scene, the requirement with each field to identity authorization system safety and reliability is higher and higher, in addition to
Except face verification and In vivo detection, also while requiring the video recorded when user carries out recognition of face and being sent to backstage for prison
Pipe side is authenticated and is deposited card, that is, terminal needs to carry out recognition of face on one side, carries out video record on one side.The present embodiment master
If the improvement made for video record scheme.
In the present embodiment, when carrying out video record, terminal acquires encoding video pictures data by camera first, i.e.,
Then the encoding video pictures data are converted to the video stream file of preset format by the data of video image portion, in order to
Subsequent processing.
Specifically, the described the step of encoding video pictures data are converted to the video stream file of preset format, can be with
It include: to call multimedia coding class MediaCodec class when the encoding video pictures data got are yuv format,
The encoding video pictures data of the yuv format are converted to the video stream file of H264 format.
YUV is a kind of colour coding method, is often used in each video output component, and YUV is to photo or video volume
When code, it is contemplated that the sensing capability of the mankind allows to reduce the bandwidth of coloration.In the present embodiment, when the video image coding got
When code data are yuv format, terminal calls the multimedia coding class MediaCodec class of own system, by the view of the yuv format
Frequency image coded data is converted to the video stream file of H264 format.Wherein, MediaCodec class can be used for accessing terminal bottom
Multimedia coding-decoder, to realize encoding and decoding；H264 is a kind of video compression algorithm being commonly used, and passes through video figure
As coded data is converted to H264 format, can be very good to realize video compress.
Further, the calling multimedia coding class MediaCodec class, by the encoding video pictures of the yuv format
Data be converted to the step of video stream file of H264 format may include: call multimedia coding class MediaCodec class, and
Obtain preset video tuning parameter；According to the MediaCodec class and the preset video tuning parameter, by the YUV
The encoding video pictures data of format are converted to the video stream file of H264 format.
Specifically, target component that can in advance in terminal profile video tuning parameter as H264 compression algorithm, the mesh
Mark parameter can be obtained by experiment, later, can call MediaCodec using the preset video tuning parameter as ginseng is entered
Class is converted to the video flowing text of H264 format by the encoding video pictures data of yuv format by H264 video compression algorithm
Part can so guarantee that the image definition of finally obtained video stream file and size meet actual application scenarios demand.
Further, video tuning parameter may include code rate, frame per second and the key frame interval of video.It preferably, can be with
Tuning parameter is set are as follows: code rate 100kbps, frame per second 15fps and 5 frame of key frame interval, such value not only can satisfy identity
The requirement to image definition is authenticated, and the video flowing size finally compressed is also more appropriate.
Certainly, other transformation rules can be used when specific implementation also to get video stream file, wherein transformation rule
It can and flexible setting different according to the formats of encoding video pictures data.
Step S20, obtain the camera it is current towards parameter；
In the step, to synthesize final video file, terminal further obtain camera it is current towards parameter, the direction
Parameter is used to indicate the relative position situation of the video of camera and recording.Due to for different terminals, the position of camera
It sets and is likely located to the left above screen, to the right above screen, when face face screen, the video image of recording is not but with people
Centered on face, it is so not easy to certification of the later period to video, to carry out direction correction to video image, needs to obtain camera and works as
It is preceding towards parameter.
Specifically, step S20 may include: the application programming interface for calling camera programm, pass through the application
Program Interfaces get the camera it is current towards parameter, wherein the camera is called by the camera programm.
In terminal recorded video, camera is called by the camera programm of terminal built-in, and terminal is by calling the camera journey
The application programming interface of sequence, can get camera it is current towards parameter, this specifically can be with degree towards parameter
Form, such as 0 degree, 90 degree, 180 degree etc..
Step S30, by the video stream file and it is described be sent to background server towards parameter so that the backstage take
Device be engaged according to the video stream file and described towards one video file of parameter synthesis.
Later, terminal is sent to background server by the above-mentioned video stream file got and towards parameter, which takes
Business device is used to provide the service of video file synthesis, can specifically be serviced and be realized by FFMpeg, FFmpeg be a set of can to use
Come record, converted digital audio, video, and the open source computer program of stream can be translated into.Background server is receiving
Video stream file and described towards after parameter, can be by FFmpeg order by the video stream file and towards parameter synthesis one
The video file of MP4 format, and the video file is saved, so that supervisor checks at any time.
It should be noted that since the video authentication under practical recognition of face scene does not need sound, thus this implementation
Example is only handled video image data, is realized under the premise of meeting actual video certification demand, is mitigated the place of terminal
Reason burden.
The video recording method that the present embodiment proposes, by transferring to the synthesis of final video file at background server
Reason, so that it is not necessary that comprising FFMpeg, this not only avoids performances existing for terminal operating FFMpeg not in the SDK packet of terminal downloads
Good problem also reduces the size of SDK packet, in addition, the present embodiment is final according only to video stream file and towards parameter synthesis
Video file avoids the burden of terminal processes caused by audio recording.To which the present embodiment solves in the prior art, terminal
Video record is carried out when carrying out recognition of face in order to realize, existing video record is ineffective, needs SDK packet to be mounted
Excessive and larger processing load problem.
Further, it is based on video recording method first embodiment of the present invention, proposes video recording method second of the present invention
Embodiment.
It in the present embodiment, can also include: to receive video record instruction, according to the view before above-mentioned steps S10
Camera is called in frequency record command；Control the camera acquisition encoding video pictures data.
Wherein, video record instruction can be triggered manually by user, can also by terminal applies automatic trigger, such as with
During the payment application of family using terminal, when the payment application receives payment instruction, that is, automatically generates video record and refer to
It enables to carry out authentication to user.
After terminal receives video record instruction, itself camera is called, camera is then controlled and acquires video image coding
Code data show customized face frame during controlling camera acquisition encoding video pictures data in application interface
Control, with the video image acquired by the customized face frame control display, by the way that face frame is made into customized control,
It can be convenient the style (border color fills gradual change, text color etc.) that user customizes face frame, meet the personalized need of user
It asks.
Further, it is based on video recording method second embodiment of the present invention, proposes video recording method third of the present invention
Embodiment.
In the present embodiment, the step of control camera acquisition encoding video pictures data may include:
During the camera acquisition encoding video pictures data, screen is controlled according to preset order according to preset luminous parameters
The light of default kind of color is successively issued, so that the camera successively acquires the corresponding face of light of default kind of the color
Image forms human face image sequence, and wherein the light of each color corresponds to several frame facial images；Obtain the facial image sequence
Disparity map in column between color adjacent two-by-two obtains difference graphic sequence；By the preset luminous parameters and the difference
Graphic sequence is sent to backstage light In vivo detection service, so that the light In vivo detection service judges that the camera is currently clapped
Whether what is taken the photograph is true man；It is true man's when receiving the camera current shooting that the light In vivo detection service returns
When testing result, step is executed: the collected encoding video pictures data of camera are obtained, by the encoding video pictures data
Be converted to the video stream file of preset format.
Specifically, during camera acquires encoding video pictures data, face In vivo detection, the people can be carried out
The step of face In vivo detection specifically: firstly, successively being sent out according to preset luminous parameters controlling terminal screen according to preset order
Preset the light of kind of color out, wherein the color category of light and quantity can with flexible choice, such as can from it is red, yellow, blue,
Randomly select 4 kinds in the light of 6 kinds of colors such as purple, green, orange, then controlling terminal screen successively issued according to preset order this 4
The light of kind color, reflects according to light, and camera can successively collect the corresponding facial image of light of this 4 kinds of colors, by
This forms a human face image sequence, and wherein the light of each color is all corresponding with several frame facial images；Then, the people is obtained
Disparity map in face image sequence between color adjacent two-by-two, obtains difference graphic sequence, for example, terminal screen successively issue it is red,
The light of this yellow, blue, purple 4 kinds of colors, then need to obtain reddish yellow respectively, champac, the difference between these adjacent colors of royal purple
Figure, thus obtains a difference graphic sequence；Later, after above-mentioned preset luminous parameters and the difference graphic sequence being sent to together
Platform light In vivo detection service works as end so that whether what the light In vivo detection service judged camera current shooting is true man
Termination receives the camera current shooting of light In vivo detection service return when being the testing result of true man, i.e. execution step:
The collected encoding video pictures data of camera are obtained, the encoding video pictures data are converted to the video of preset format
Stream file, conversely, work as the camera current shooting for receiving light In vivo detection service return is not the testing result of true man
When, video record and output error prompt information can be terminated.
By above-mentioned light In vivo detection, terminal can identify camera current shooting during video record
Whether it is true man, further improves the safety and reliability of video record.
Further, it is based on video recording method 3rd embodiment of the present invention, proposes video recording method the 4th of the present invention
Embodiment.
In the present embodiment, the disparity map obtained between color adjacent two-by-two in the human face image sequence, obtains
It may include: the color change position in the identification human face image sequence to the step of difference graphic sequence；Obtain the color
The corresponding two frames facial image of the two different colors of light of variant positions；To the light of described two different colours
Corresponding two frames facial image carries out variance analysis, obtains the disparity map of the color change position；Take the face figure
As the disparity map of all colours mutated site in sequence, difference graphic sequence is obtained.
In the present embodiment, to obtain difference graphic sequence, the color change position in human face image sequence can be identified first
It sets, which refers to a kind of position of the facial image in human face image sequence by color change for another color
It sets, for example terminal screen successively issues the light of this red, yellow, blue, purple 4 kinds of colors, then can identify from human face image sequence
3 color change positions out；Then, the corresponding two frames people of two different colors of light at color change position is obtained
Face image, since for random color mutated site, the right and left is corresponding two frame of two different colors of light respectively
Facial image can respectively obtain a frame facial image from the right and left at this time；Later, to the right and left from color change position
The two frame facial images got carry out variance analysis, the disparity map of the color change position are obtained, for example, can be to two frame people
The pixel coordinate pair of face image should do subtraction, to obtain the disparity map of two frame facial images；Finally, taking the face
In image sequence the disparity map of all colours mutated site to get arrive difference graphic sequence.
By the above-mentioned means, the disparity map between color adjacent two-by-two in human face image sequence can be effectively got,
Whether for the service of subsequent ray In vivo detection premise is provided for true man according to what difference graphic sequence judged camera current shooting
Guarantee.
The present invention also provides a kind of video recording devices.Video recording device of the present invention includes:
Camera, for acquiring encoding video pictures data；
First obtains module, for obtaining the collected encoding video pictures data of camera, by the video image coding
Code data are converted to the video stream file of preset format；
Second obtains module, for obtain the camera it is current towards parameter；
Sending module, for by the video stream file and it is described be sent to background server towards parameter so that described
Background server is according to the video stream file and described towards one video file of parameter synthesis.
Further, described device further include:
Processing module instructs according to the video record for receiving video record instruction and calls camera；
Control module, for controlling the camera acquisition encoding video pictures data.
Further, the control module includes:
Control unit, for being shone during the camera acquires encoding video pictures data according to preset
State modulator screen successively issues the light of default kind of color according to preset order so that the camera successively acquire it is described pre-
If planting the corresponding facial image of light of color, human face image sequence is formed, wherein the light of each color corresponds to several frame people
Face image；
Acquiring unit obtains difference for obtaining the disparity map between color adjacent two-by-two in the human face image sequence
Different graphic sequence；
Transmission unit, for the preset luminous parameters and the difference graphic sequence to be sent to the inspection of backstage light living body
Service is surveyed, so that whether what the light In vivo detection service judged the camera current shooting is true man；
Described first obtains module, is also used to work as when the camera for receiving the light In vivo detection service return
When preceding shooting is the testing result of true man, the collected encoding video pictures data of camera are obtained, by the video image
Coded data is converted to the video stream file of preset format.
Further, the acquiring unit includes:
Identify subelement, for identification the color change position in the human face image sequence；
Subelement is obtained, for obtaining the two different colors of light corresponding two at the color change position
Frame facial image；
Subelement is analyzed, carries out difference for the corresponding two frames facial image of light to described two different colours
Analysis, obtains the disparity map of the color change position；
The acquisition subelement, is also used to take the disparity map of all colours mutated site in the human face image sequence, obtains
To difference graphic sequence.
Further, described first module is obtained, is also used to when the encoding video pictures data got be YUV lattice
When formula, multimedia coding class MediaCodec class is called, the encoding video pictures data of the yuv format are converted into H264 lattice
The video stream file of formula.
Further, described first module is obtained, is also used to call multimedia coding class MediaCodec class, and obtain pre-
If video tuning parameter；According to the MediaCodec class and the preset video tuning parameter, by the yuv format
Encoding video pictures data are converted to the video stream file of H264 format.
Operation performed by above-mentioned camera and each module specifically can refer to video recording method embodiment of the present invention, herein
It repeats no more.
The present invention also provides a kind of computer readable storage mediums.
Video record program is stored on computer readable storage medium of the present invention, the video record program is by processor
The step of video recording method as described above is realized when execution.
Wherein, the video record program run on the processor, which is performed realized method, can refer to the present invention
Video recording method embodiment, details are not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (14)
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