CN106303293B - Method for processing video frequency, device and mobile terminal - Google Patents
Method for processing video frequency, device and mobile terminal Download PDFInfo
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- CN106303293B CN106303293B CN201610670682.6A CN201610670682A CN106303293B CN 106303293 B CN106303293 B CN 106303293B CN 201610670682 A CN201610670682 A CN 201610670682A CN 106303293 B CN106303293 B CN 106303293B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
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Abstract
The present invention provides a kind of method for processing video frequency, device and mobile terminals, wherein this method comprises: the multimedia file for whether being stored with preset format under preset catalogue detected when shooting video；If being stored with the multimedia file, during shooting, in real time according to preset superposition rule, the data in the video data of shooting and the multimedia file are overlapped processing by frame by frame；According to the data after superposition processing, preview screen is generated in real time.The present invention realizes the video in shooting process and is superimposed automatically, can simplify the operation of video processing, so that user can quickly and conveniently obtain more abundant video content.
Description
Technical field
The present invention relates to technical field of video processing more particularly to a kind of method for processing video frequency, device and mobile terminal.
Background technique
With the development of mobile terminal technology, the intelligent mobile terminals such as smart phone, tablet computer, smart camera are had become
Indispensable tool in people's daily life, people can use camera function that above-mentioned intelligent mobile terminal provides at any time with
Ground carries out video capture, therefore, how to promote clarity, parsing power, the degree of balance and the video of abundant shooting of video capture
Content, it has also become major cell phone manufacturer promotes effect focus development content.But existing video processing technique, Zhi Neng
The later period is shot, using professional videos softwares for editing such as meeting sound meeting shadow, Premiere, manually the video file of shooting is optimized
Processing, such as: video superposition, special effect processing etc., it is complicated for operation and need user's specialized technical knowledge with higher horizontal.
Summary of the invention
It is automatic that the present invention provides a kind of method for processing video frequency, device and mobile terminal, the video realized in shooting process
Superposition can simplify the operation of video processing, so that user can quickly and conveniently obtain more abundant video content.
First aspect present invention provides a kind of method for processing video frequency, comprising: when shooting video, detecting under preset catalogue is
The no multimedia file for being stored with preset format；If being stored with the multimedia file, during shooting, real-time basis
Data in the video data of shooting and the multimedia file are overlapped processing by preset superposition rule, frame by frame；Root
According to the data after superposition processing, preview screen is generated in real time.
Second aspect of the present invention provides a kind of video process apparatus, comprising: detection module, for examining when shooting video
It surveys under preset catalogue and whether is stored with the multimedia file of preset format；Video processing module, if for the detection module
Testing result is to be stored with the multimedia file, then during shooting, in real time according to preset superposition rule, frame by frame
Data in the video data of shooting and the multimedia file are overlapped processing；Generation module, at according to superposition
Data after reason, generate preview screen in real time.
Third aspect present invention provides a kind of mobile terminal, comprising: processor, communication interface, memory and bus；Wherein
Processor, communication interface, memory complete mutual communication by bus；The communication interface, for logical with external device
Letter；The processor, for executing program；The memory, for storing described program；Described program includes: detection module,
For the multimedia file for whether being stored with preset format under preset catalogue to be detected when shooting video；Video processing module is used
If being to be stored with the multimedia file in the testing result of the detection module, during shooting, basis is pre- in real time
Data in the video data of shooting and the multimedia file are overlapped processing by the superposition rule set, frame by frame；It generates
Module, for generating preview screen in real time according to the data after superposition processing.
Method for processing video frequency, device and the mobile terminal that the embodiments of the present invention provide, by carrying out video record
When, the multimedia file that preset format whether is stored under preset catalogue is detected automatically, according to testing result, in the process of shooting
In, in real time according to preset superposition rule, frame by frame will be in the multimedia file of the video data of shooting and the preset format
Data are overlapped processing, and compared to the prior art, the present invention realizes the video in shooting process and is superimposed automatically, can simplify view
The operation of frequency processing, so that user can quickly and conveniently obtain more abundant video content.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Attached drawing 1 is the implementation process schematic diagram for the method for processing video frequency that first embodiment of the invention provides；
Attached drawing 2 is the implementation process schematic diagram for the method for processing video frequency that second embodiment of the invention provides；
Attached drawing 3 is the structural schematic diagram for the video process apparatus that third embodiment of the invention provides；
Attached drawing 4 is the structural schematic diagram for the video process apparatus that fourth embodiment of the invention provides；
Attached drawing 5 is the structural schematic diagram for the mobile terminal that fifth embodiment of the invention provides.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Attached drawing 1 is please referred to, attached drawing 1 is the implementation process signal for the method for processing video frequency that first embodiment of the invention provides
Figure.As shown in Fig. 1, this method mainly comprises the steps that
S101, when shooting video, the multimedia file that preset format whether is stored under preset catalogue detected；
Specifically, control shooting unit executes movie shooting operation, and detects preset catalogue when receiving shooting instruction
Under whether be stored with the multimedia file of preset format.Wherein shooting instruction, for example, can be by user by pressing preset physics
Key or the triggering of virtual shooting button are shot, alternatively, when preset shooting time reaches, by mobile terminal automatic trigger.
Shooting unit can specifically include pick-up lens and microphone, and control shooting unit executes movie shooting operation, can
Only to control pick-up lens shooting picture image, pick-up lens and microphone can also be controlled simultaneously and shooting picture image and is adopted respectively
Collect the voice data of ambient enviroment.
The specific location of preset catalogue and the specific format of multimedia file can instruct according to the setting of user and be arranged.
Wherein the multimedia file can be audio file or video file.The video file can only include picture data, or, simultaneously
Including picture data and voice data.
It should be understood that whether being stored under control shooting unit execution movie shooting operation and the preset catalogue of detection preset
The multimedia file of format can synchronize execution, can also there is sequencing, and how is specific order, herein without limitation.
It is regular according to preset superposition in real time during shooting if S102, being stored with the multimedia file, by
The data in the video data of shooting and the multimedia file are overlapped to frame processing；
If being stored with the multimedia file of preset format under preset catalogue, during shooting, in real time according to preset
Superposition rule, frame by frame by the video data of shooting and the multimedia file each frame data or fractional frame data carry out
Superposition processing.Specifically, including voice data when in multimedia file in multimedia file according to the data type for including
When, then the voice data superposition in multimedia file is synthesized in the video data of shooting；When only including in multimedia file
When picture (image) data, then the picture data superposition in multimedia file is merged into the video data of shooting；Work as multimedia
When in file including voice data and picture data, then the two is superimposed and is synthesized in video data.
On the other hand, if the not stored multimedia file for having preset format under preset catalogue, according to common image pickup mode
Control shooting unit continues to execute movie shooting operation.
Like this, the multimedia file of preset format whether is stored under preset catalogue by detecting, and passes through detection knot
Fruit automatic trigger executes superposition processing operation, so that user only needs multimedia file to be superimposed being stored in preset catalogue
Under, the setting of automatic superposition processing operation can be completed, so that the convenience of video processing can be improved.
S103, according to the data after superposition processing, generate preview screen in real time.
During shooting, processing can be overlapped to the video data of shooting on one side, on one side according to superposition processing after
Data, generate preview screen in real time, and be further displayed on the screen preview screen, for user viewing.
Method for processing video frequency provided in an embodiment of the present invention, by detecting preset catalogue automatically when carrying out video record
Under whether be stored with the multimedia file of preset format, according to testing result, during shooting, in real time according to preset folded
Add rule, the data in the multimedia file of the video data of shooting and the preset format are overlapped processing, phase by frame by frame
Compared with the prior art, the present invention realizes the video in shooting process and is superimposed automatically, can simplify the operation of video processing, so that with
Family can quickly and conveniently obtain more abundant video content.
Attached drawing 2 is please referred to, attached drawing 2 is the implementation process signal for the method for processing video frequency that second embodiment of the invention provides
Figure.As shown in Fig. 2, this method mainly comprises the steps that
S201, when shooting video, the multimedia file that preset format whether is stored under preset catalogue detected；
Specifically, control shooting unit executes movie shooting operation, and detects preset catalogue when receiving shooting instruction
Under whether be stored with the multimedia file of preset format.Wherein shooting instruction, for example, can be by user by pressing preset physics
Key or the triggering of virtual shooting button are shot, alternatively, when preset shooting time reaches, by mobile terminal automatic trigger.
Shooting unit can specifically include pick-up lens and microphone, and control shooting unit executes movie shooting operation, can
Only to control pick-up lens shooting picture image, pick-up lens and microphone can also be controlled simultaneously and shooting picture image and is adopted respectively
Collect the voice data of ambient enviroment.
The specific location of preset catalogue and the specific format of multimedia file can instruct according to the setting of user and be arranged.
Wherein the multimedia file can be audio file or video file.The video file can only include picture data, or, simultaneously
Including picture data and voice data.
It should be understood that whether being stored under control shooting unit execution movie shooting operation and the preset catalogue of detection preset
The multimedia file of format can synchronize execution, can also there is sequencing, and how is specific order, herein without limitation.
If S202, being stored with the multimedia file, prompt information is exported, to prompt user to be confirmed whether to be overlapped place
Reason；
If being stored with the multimedia file of preset format under preset catalogue, according to preset prompting mode, output prompt
Information, such as: the mode of window of the pop-up comprising prompt information and operation button, alternatively, only preview displayed in the screen is drawn
One section of prompt information of Overlapping display on face.
It further, can be only when the multimedia file for being stored with multiple preset formats under preset catalogue, just output prompt
Information；If being only stored with the multimedia file of 1 preset format under preset catalogue, prompt information is not exported, is directly executed
During shooting, in real time according to preset superposition rule, frame by frame will be in the video data of shooting and the multimedia file
Data the step of being overlapped processing.
On the other hand, if the not stored multimedia file for having preset format under preset catalogue, prompt information is not exported, and
Movie shooting operation is continued to execute according to common image pickup mode control shooting unit.
In other embodiments of the invention, if the not stored multimedia file for having preset format under preset catalogue, may be used also
Corresponding file selection prompt information is exported, to prompt the not stored multimedia file for having preset format under the preset catalogue of user,
Whether multimedia file in other catalogues is selected, to execute superposition processing；If detecting the selection operation of user, according to
The selection operation at family, determines multimedia file to be superimposed, then executes during shooting, advises according to preset superposition
Then, frame by frame by the data (including: each frame data or fractional frame data) in the video data and multimedia file of shooting into
The step of row superposition processing；If refusal operation of the user based on this document selection prompt information triggering is detected, according to common
Image pickup mode continues to control shooting unit execution movie shooting operation.
Wherein, it operates according to the user's choice, the multimedia file to be superimposed determined, it is local mobile terminal can be located at
Or in network server.
If S203, the confirmation instruction for receiving user triggering, during shooting, in real time according to preset superposition
Data in the video data of shooting and the multimedia file are overlapped processing by rule, frame by frame；
Specifically, confirmation instruction can be triggered by the operation button in pop-up, alternatively, passing through preset physical operations button
Triggering.
If S204, the refusal instruction for receiving user triggering are held when receiving the superposition instruction of user triggering
Row should be during shooting, and in real time according to preset superposition rule, frame by frame is literary by the video data of shooting and the multimedia
The step of data in part are overlapped processing；
Specifically, refusal instruction can be triggered by the operation button in pop-up, alternatively, being touched by preset physical button
Hair.Superposition instruction can be triggered by superposition processing control button corresponding in operation interface or preset physical button.Work as reception
When the refusal triggered to the user instructs, control shooting unit continues to execute ordinary video shooting operation, and works as and receive the use
When the superposition instruction of family triggering, executing should be during shooting, in real time according to preset superposition rule, and frame by frame is by shooting
The step of data in video data and the multimedia file are overlapped processing.
It should be understood that when executing ordinary video shooting operation, the preview screen that shows in screen is without folded
The raw frames for adding the camera lens of processing to get are shown in screen after receiving the superposition instruction of user triggering
Preview screen then change the picture for by superposition processing.
Like this, it by being operated at any time according to the superposition instruction execution superposition processing of user during shooting, can mention
The flexibility of high video processing.
As another embodiment of the present invention, in real time according to preset superposition rule, frame by frame by the video data of shooting with
Data in the multimedia file are overlapped processing, one can specifically realize in the following manner:
Mode one:
In real time according to preset superposition rule, point and stacked system at the beginning of executing superposition processing operation are determined；
When detecting that shooting time point reaches the sart point in time, according to the stacked system, frame by frame by the video data of shooting with
Data in the multimedia file are overlapped processing.
Point at the beginning of allowing the customized superposition processing of user to operate in aforesaid way one, i.e., in the video finally shot
In file, the video content before the sart point in time is not no original contents Jing Guo superposition processing, and in the time started
Video content after point is then the content by superposition processing.
As further embodiment of this invention, according to preset superposition rule, frame by frame is more with this by the video data of shooting
Data in media file are overlapped processing, specifically two can also realize in the following manner:
Mode two:
In real time according to preset superposition rule, target frame data and superposition side to be superimposed in the multimedia file are determined
Formula, according to the stacked system, the video data and the target frame data are overlapped processing by frame by frame.
Allow in aforesaid way two customized of user by multimedia file some part or certain partial content numbers
Processing is overlapped according to the video data with shooting.Such as: it only will be in multimedia file in the 8th minute to the 14th minute video
Hold data and is overlapped processing in the video data of shooting.
It is to be appreciated that if user does not have point at the beginning of customized superposition processing, since executing shooting operation,
It is overlapped processing；If user does not have customized target frame data to be superimposed, by each frame data of multimedia file
It is overlapped with the video data of shooting.
Through the above way one or mode two, the different video process demand of user can be met, further increase video
The flexibility of processing.
Further, the stacked system in aforesaid way one and mode two can specifically include: circulation superposition is primary folded
Add.Circulation superposition, that is, since the playing duration of multimedia file is less than shooting duration of video, when the data in multimedia file are whole
After superposition is blended into the video data of shooting, shooting operation is also continuing, then circulating repetition frame by frame will be in multimedia file
Data and shooting the operation that is overlapped of video data, until shooting operation terminates.Primary superposition, that is, no matter multimedia
Whether the playing duration of file is greater than, is less than or is equal to shooting duration of video, when by the data of multimedia file, all primary superposition is closed
After the video data to shooting, alternatively, when receiving the instruction for stopping shooting, i.e. stopping superposition processing operation.
Further, in aforesaid way one and mode two, before being overlapped processing, in order to avoid in two sections of superposition
Hold the notable differences sense such as colored, frame per second, resolution ratio when combining superposition, obtains better picture display effect, it can be according to pre-
The video data of shooting and the corresponding image quality of the multimedia file are adjusted to consistent by the frame parameter set.Wherein, frame parameter
It can be, but not limited to include: frame per second, color, resolution ratio, degree of balance etc..Specifically, can be according to the parameter value that user makes by oneself simultaneously
The video data and multimedia file of shooting are adjusted, alternatively, the adjustment of frame parameter used by the video data according to shooting is more
Media file, alternatively, the frame parameter according to multimedia file adjusts multimedia file.
It further, may include: picture data in the video data of shooting, alternatively, picture data and voice data.?
When being overlapped processing, when the multimedia file is audio file, real-time frame by frame is by the voice data in the video data
Processing is overlapped with the voice data in the audio file；When the multimedia file is video file, real-time frame by frame will
Voice data is overlapped processing in voice data and the video file in the video data, by the picture in the video data
Picture data in data and the video file is overlapped processing.
Wherein, being overlapped processing to picture data specifically may be accomplished by:
Obtain that the R (red) of each frame picture of the video data, G (green), B (indigo plant) metadata is corresponding accounts for respectively
Than and the video file each frame picture the corresponding accounting of R, G, B metadata；
R, G, B metadata of each frame picture of the video data are subjected to product with corresponding accounting respectively, obtained
To corresponding first correction value of R, G, B metadata of each frame picture of the video data；
R, G, B metadata of each frame picture of the video file and corresponding accounting are subjected to product, are somebody's turn to do
Corresponding second correction value of R, G, B metadata of each frame picture of video file；
It will respectively first correction value add up respectively with corresponding respectively second correction value, and obtain target view to be output
R, G, B metadata of each frame picture of frequency file.
In conjunction with table 1, for example:
Table 1
In step 2.1, R, G, B metadata of collected each frame picture are obtained by camera sensing device；
In step 2.2, according to the user's choice, the one section of video file stored under the preset catalogue of mobile phone is obtained；
In step 2.3, because two sections of contents avoid the notable differences sense such as colored, frame per second, resolution ratio when combining superposition,
So needing to carry out this step is adjusted the image quality such as the frame per second, resolution ratio, the degree of balance of adapted video picture；
In step 2.4, image content obtained in step 2.3 is converted to R, G, B metadata of each frame.
In step 2.5, in order to optimize picture display effect, metadata obtained in processing step 2.1 is needed, is similar to
The processing carried out in step 2.3 to data obtained in step 2.2 will be passed through by step 2.1 R, G, B metadata obtained
DSP handles (Digital Signal Processing, Digital Signal Processing), such as handles color, the degree of balance, obtains
To the metadata of new each frame；
In step 2.6, by R, G, B member number of the new each frame of the data obtained superposition synthesis in step 2.4 and step 2.5
According to.
As shown in Table 1, it is assumed that R, G, B metadata values of each frame picture of the video data of shooting are respectively as follows: R=a,
G=b, B=c；R, G, B metadata values of each frame picture of video file are respectively as follows: R=d, G=e, B=f；Then, at superposition
R, G, B metadata values of each frame picture after reason are respectively as follows: R=r=a*M+d*N, G=s=b*M+e*N, B=t=c*M+
f*N。
Wherein, M is the corresponding accounting of R, G, B metadata of each frame picture of video data, and N is each of video file
The corresponding accounting of R, G, B metadata of frame picture.The occurrence of M+N=100%, M and N can be default setting, such as M=50%, N
=50%, also it can be customized by users.It is possible to further be respectively video data each frame picture R, G, B metadata
Different accounting: M is setR、MG、MB；Different accountings is arranged in R, G, B metadata of respectively each frame picture of video file:
NR、NG、NB。
It should be noted that the above-mentioned specific implementation for being overlapped processing to picture data can be applied to aforesaid way
One and mode two in.
S205, according to preset special effect parameters, special effect processing is carried out to the data after superposition processing, and according to special effect processing
Data afterwards, generate preview screen in real time.
Special effect parameters can be customized by users, and specifically for example can be, but not limited to include: ink smog, U.S. face, change back
The pictures such as scenery tune special effect parameters and sound special effect parameters.According to the equal special effect parameters, to each frame number after superposition processing
According to special effect processing is carried out, then according to the data after special effect processing, generate in real time preview screen and further in screen into
Row display.
It should be understood that in addition to special effect processing, in other embodiments of the invention, in order to optimize picture display effect,
DSP processing is carried out again on the basis of superposition processing, according to preset total picture adjusting parameter, to the picture after superposition processing
Data carry out the pictures adjustment such as color, degree of balance processing, obtain R, G, B metadata of new each frame picture.
Further, when receiving stopping shooting instruction, mesh is generated according to the data after superposition and special effect processing
It marks video file and exports to designated position and save.Wherein, designated position can be customized by users.Stop shooting instruction, for example,
Key or the triggering of virtual shooting button can be shot by pressing preset physics by user, alternatively, working as preset stopping shooting time
When arrival, by mobile terminal automatic trigger.It may include: by superposition synthesis, spy according to practical application, in target video file
The picture data of the processing such as effect, alternatively, picture data and voice data by processing such as superposition synthesis, special efficacys.
It further, can be at any time according to user for example, by the touching such as preset stopping treatment button or corresponding physical button
The stopping process instruction of hair stops superposition processing operation, and restores to execute common shooting operation, when receiving stopping shooting instruction
When, according to the original video data before superposition processing, generates target video file and export to designated position preservation.And further
Ground, when receiving stopping shooting instruction, output storage prompt information, before or after prompting user to select storage superposition processing
Video data, and operate according to the user's choice, selection generates target video text according to the original video data before superposition processing
Part is simultaneously exported to designated position preservation, alternatively, selection generates target video file according to the original video data after superposition processing
And it exports to designated position and saves.
Method for processing video frequency provided in an embodiment of the present invention, by detecting preset catalogue automatically when carrying out video record
Under whether be stored with the multimedia file of preset format, according to testing result, during shooting, in real time according to preset folded
Add rule, the data in the multimedia file of the video data of shooting and the preset format are overlapped processing, phase by frame by frame
Compared with the prior art, the present invention realizes the video in shooting process and is superimposed automatically, can simplify the operation of video processing, so that with
Family can quickly and conveniently obtain more abundant video content.And further, by before and after superposition processing to be superimposed
Content-data carry out DSP processing, can be improved the image quality of the target video file obtained after superposition processing, improve treatment effeciency.
Attached drawing 3 is please referred to, attached drawing 3 is the structural schematic diagram for the video process apparatus that third embodiment of the invention provides, and is
Convenient for explanation, only parts related to embodiments of the present invention are shown.The exemplary video process apparatus of attached drawing 3 can be aforementioned
The executing subject for the method for processing video frequency that embodiment provides, can be a function mould of mobile terminal or mobile terminal
Block.The exemplary video process apparatus of attached drawing 3, specifically includes that detection module 301, video processing module 302 and generation module
303.Detailed description are as follows for each functional module:
Detection module 301, for detecting the multimedia file for whether being stored with preset format under preset catalogue.
Specifically, detection module 301 can control shooting unit to execute movie shooting operation when receiving shooting instruction,
And the multimedia file that preset format whether is stored under preset catalogue detected.Wherein shooting instruction, for example, can be passed through by user
Preset physics shooting key or the triggering of virtual shooting button are pressed, alternatively, when preset shooting time reaches, by mobile terminal
Automatic trigger.
Shooting unit can specifically include pick-up lens and microphone, and detection module 301 controls shooting unit and executes video
Shooting operation can only control pick-up lens shooting picture image, can also control simultaneously pick-up lens and microphone be shot respectively
Picture image and the voice data for acquiring ambient enviroment.
It should be understood that the device can also further comprise setup module, for being instructed according to the setting of user, setting is pre-
Set the specific location of catalogue and the specific format of multimedia file.Wherein, which can be audio file or view
Frequency file.The video file can only include picture data, or, simultaneously including picture data and voice data.
Video processing module 302, if the testing result for detection module 301 is to be stored with the multimedia file,
During shooting, in real time according to preset superposition rule, frame by frame will be in the video data of shooting and the multimedia file
Data are overlapped processing.
If being stored with the multimedia file of preset format, during shooting, video processing module under preset catalogue
302 in real time according to preset superposition rule, and frame by frame is by each frame data in the video data of shooting and the multimedia file
Or fractional frame data is overlapped processing.Specifically, according to the data type for including in multimedia file, when in multimedia file
When only including voice data, then the voice data superposition in multimedia file is synthesized in the video data of shooting；As more matchmakers
When in body file only including picture (image) data, then the picture data superposition in multimedia file is merged into the video of shooting
Data；When in multimedia file including voice data and picture data, then the two is superimposed and is synthesized in video data.
Generation module 303, for generating preview screen in real time according to the data after superposition processing.
It should be noted that in the embodiment of the exemplary video process apparatus of the figures above 3, the division of each functional module
Be merely illustrative of, can according to need in practical application, for example, corresponding hardware configuration requirement or software realization just
Benefit considers, and above-mentioned function distribution is completed by different functional modules, i.e., is divided into the internal structure of the device different
Functional module, to complete all or part of the functions described above.Moreover, in practical application, it is corresponding in the present embodiment
Functional module can be by corresponding hardware realization, such as be shot by pick-up lens to the picture before camera lens, by microphone pair
Sound in ambient enviroment is acquired, and can also be executed corresponding software by corresponding hardware and be completed.What this specification provided
Each embodiment can all apply foregoing description principle.
From the exemplary video process apparatus of above-mentioned attached drawing 3 it is found that by when carrying out video record, preset mesh is detected automatically
Whether the multimedia file of preset format is stored under record, according to testing result, during shooting, in real time according to preset
Data in the multimedia file of the video data of shooting and the preset format are overlapped processing by superposition rule, frame by frame,
Compared to the prior art, the present invention realizes the video in shooting process and is superimposed automatically, can simplify the operation of video processing, so that
User can quickly and conveniently obtain more abundant video content.
Attached drawing 4 is please referred to, attached drawing 4 is the structural schematic diagram for the video process apparatus that fourth embodiment of the invention provides, and is
Convenient for explanation, only parts related to embodiments of the present invention are shown.The exemplary video process apparatus of attached drawing 4 can be aforementioned
The executing subject for the method for processing video frequency that embodiment provides, can be a function mould in mobile terminal or mobile terminal
Block.On the basis of 3 exemplary video process apparatus of attached drawing, it is different from the third embodiment, in the present embodiment:
Further, video processing module 302, the number being also used in the video data and the multimedia file that will be shot
According to before being overlapped processing, according to preset frame parameter, by the video data and the corresponding image quality tune of the multimedia file
Whole is consistent.
Specifically, in order to avoid two sections of contents of superposition when combining superposition the notable differences such as colored, frame per second, resolution ratio
Sense, obtains better picture display effect, and video processing module 302 can execute superposition processing according to preset frame parameter
The corresponding image quality of video data and multimedia file of shooting is adjusted to consistent before operation.Wherein, frame parameter can with but not
It is limited to include: frame per second, color, resolution ratio, degree of balance etc..Specifically, according to the parameter value that user makes by oneself while shooting can be adjusted
Video data and multimedia file, alternatively, frame parameter used by video data according to shooting adjusts multimedia file,
Alternatively, the frame parameter according to multimedia file adjusts multimedia file.
Further, video processing module 302 is also used to:
In real time according to preset superposition rule, point and stacked system at the beginning of executing superposition processing operation are determined；
When detecting that shooting time point reaches the sart point in time, according to the stacked system, frame by frame is by the view of shooting
Frequency is overlapped processing according to the data in the multimedia file.
Further, video processing module 302 is also used to:
In real time according to preset superposition rule, target frame data and superposition side to be superimposed in the multimedia file are determined
Formula；
According to the stacked system, the video data and the target frame data are overlapped processing by frame by frame.
Further, video processing module 302 is also used to:
When the multimedia file be audio file when, real-time frame by frame by the video data voice data and the audio
Voice data in file is overlapped processing；
When the multimedia file be video file when, real-time frame by frame by the video data voice data and the video
Voice data is overlapped processing in file, by the video data picture data and the video file in picture data into
Row superposition processing.
Further, video processing module 302 is also used to:
The corresponding accounting of R, G, B metadata and the video of each frame picture of the video data are obtained respectively
The corresponding accounting of R, G, B metadata of each frame picture of file；
R, G, B metadata of each frame picture of the video data are subjected to product with corresponding accounting respectively, obtained
To corresponding first correction value of R, G, B metadata of each frame picture of the video data；
R, G, B metadata of each frame picture of the video file and corresponding accounting are subjected to product, are somebody's turn to do
Corresponding second correction value of R, G, B metadata of each frame picture of video file；
It will respectively first correction value add up respectively with corresponding respectively second correction value, and obtain target view to be output
R, G, B metadata of each frame picture of frequency file.
Further, video processing module 302 are also used to according to preset special effect parameters, to the data after superposition processing
Carry out special effect processing；
Generation module 303 is also used to generate preview screen in real time according to the data after special effect processing.And further, will
The preview screen of generation is shown in screen.
Wherein, special effect parameters can be customized by users, and specifically for example to can be, but not limited to include: ink smog, U.S. face, is changed
Become pictures special effect parameters and the sound special effect parameters such as background color tone.Video processing module 302 is according to the equal special effect parameters, to folded
Adding treated, each frame data carry out special effect processing, then trigger generation module 303 according to the data after special effect processing, in real time
It generates preview screen and is shown in screen by display module 306.
It should be understood that in addition to special effect processing, in other embodiments of the invention, in order to optimize picture display effect,
Video processing module 302 carries out DSP processing again on the basis of superposition processing, can also adjust and join according to preset total picture
Number, carries out color to the picture data after superposition processing, the pictures adjustment such as the degree of balance is handled, obtain new each frame picture R,
G, B metadata.
Further, the device further include:
Nformation alert module 401, it is defeated if the testing result for detection module 301 is to be stored with the multimedia file
Prompt information out, to prompt user to be confirmed whether to be overlapped processing；
Command reception module 402, for receiving the confirmation instruction and refusal instruction of user triggering；
Video processing module 302, if being also used to the confirmation instruction that command reception module 402 receives user triggering,
During shooting, in real time according to preset superposition rule, frame by frame will be in the video data of shooting and the multimedia file
Data be overlapped processing；
Video processing module 302, if being also used to the refusal instruction that command reception module 402 receives user triggering,
When command reception module 402 receives the superposition instruction of user triggering, executing should be during shooting, in real time according to pre-
The step of superposition rule set, the data in the video data of shooting and the multimedia file are overlapped processing by frame by frame.
Specifically, if being stored with the multimedia file of preset format under preset catalogue, nformation alert module 401 is according to pre-
The prompting mode set exports prompt information, such as: the mode of window of the pop-up comprising prompt information and operation button, alternatively, only
One section of prompt information of Overlapping display in preview screen displayed in the screen.Later, if command reception module 402 receives the use
The confirmation instruction of family triggering, then trigger video processing module 302 during shooting, regular according to preset superposition in real time,
Data in the video data of shooting and the multimedia file are overlapped processing by frame by frame.If command reception module 402 connects
Receive the refusal instruction of user triggering, then when command reception module 402 receives the superposition instruction of user triggering, triggering
Video processing module 302 executes should be during shooting, in real time according to preset superposition rule, and frame by frame is by the video of shooting
The step of data in data and the multimedia file are overlapped processing.
Wherein, confirmation instruction can be triggered by the operation button in pop-up, alternatively, being touched by preset physical operations button
Hair.Refusal instruction can be triggered by the operation button in pop-up, alternatively, being triggered by preset physical button.Superposition instruction can
It is triggered by superposition processing control button corresponding in operation interface or preset physical button.
Further, information can just be triggered only when the multimedia file for being stored with multiple preset formats under preset catalogue
Cue module 401 exports prompt information；If being only stored with the multimedia file of 1 preset format under preset catalogue, do not export
Prompt information, but directly triggering video processing module 302 executes during shooting, is advised in real time according to preset superposition
Then, the step of data in the video data of shooting and the multimedia file are overlapped processing by frame by frame.
On the other hand, if the not stored multimedia file for having preset format under preset catalogue, prompt information is not exported, is controlled
Shooting unit processed continues to execute movie shooting operation according to common image pickup mode control shooting unit.
In other embodiments of the invention, if the not stored multimedia file for having preset format, information under preset catalogue
The also exportable corresponding file of cue module 401 selects prompt information, to prompt not stored under the preset catalogue of user to have preset lattice
The multimedia file of formula, if the multimedia file in other catalogues is selected, to execute superposition processing；If detection module 301 is examined
The selection operation of user is measured, then video processing module 302 operates according to the user's choice, determines multimedia text to be superimposed
Then part executes during shooting, according to preset superposition rule, frame by frame is literary by the video data of shooting and multimedia
The step of data (including: each frame data or fractional frame data) in part are overlapped processing；If detection module 301 detects
Refusal operation of the user based on this document selection prompt information triggering, then control shooting unit and continue to control according to common image pickup mode
Shooting unit processed executes movie shooting operation.
Wherein, it operates according to the user's choice, the multimedia file to be superimposed determined, it is local mobile terminal can be located at
Or in network server.
Further, command reception module 402 is also used to receive stopping shooting instruction.When command reception module 402 receives
To when stopping shooting instruction, triggering generation module 303 generates target video text according to the data after superposition and special effect processing
Part is simultaneously exported to designated position preservation.Wherein, designated position can be customized by users.Stop shooting instruction, for example, can be by user
Key or the triggering of virtual shooting button are shot by pressing preset physics, alternatively, when preset stopping shooting time reaching, by
Mobile terminal automatic trigger.It may include: by processing such as superposition synthesis, special efficacys according to practical application, in target video file
Picture data, alternatively, picture data and voice data by superposition synthesis, the processing such as special efficacy.
Further, command reception module 402 is also used to receive stopping process instruction.Generation module 303 can basis at any time
The received user of command reception module 402 for example, by: the triggerings such as preset stopping treatment button or corresponding physical button stop
Only process instruction stops superposition processing operation, and controls shooting unit and restore to execute common shooting operation.Then, when instruction connects
When receipts module 402 receives stopping shooting instruction, triggering generation module 303 is raw according to the original video data before superposition processing
At target video file and export to designated position preservation.
And further, when command reception module 402 receives stopping shooting instruction, nformation alert module 401 is triggered
Output storage prompt information, to prompt the video data before or after user's selection storage superposition processing.The detection of detection module 301 is used
The selection operation at family, the selection operation for the user that generation module 303 is detected according to detection module 301 select at according to superposition
Original video data before reason generates target video file and exports to designated position preservation, alternatively, selection is according to superposition processing
Original video data afterwards generates target video file and exports to designated position preservation.
From the exemplary video process apparatus of above-mentioned attached drawing 4 it is found that by when carrying out video record, preset mesh is detected automatically
Whether the multimedia file of preset format is stored under record, according to testing result, during shooting, in real time according to preset
Data in the multimedia file of the video data of shooting and the preset format are overlapped processing by superposition rule, frame by frame,
Compared to the prior art, the present invention realizes the video in shooting process and is superimposed automatically, can simplify the operation of video processing, so that
User can quickly and conveniently obtain more abundant video content.And further, folded by being treated before and after superposition processing
The content-data added carries out DSP processing, and the image quality of the target video file obtained after superposition processing can be improved, and improves processing effect
Rate.
Referring to Fig. 5, attached drawing 5 is the structural schematic diagram for the mobile terminal that fifth embodiment of the invention provides.Mobile terminal
200 may be smart phone with camera function, tablet computer, smart camera etc..The specific embodiment of the invention is not right
The specific implementation of mobile terminal 200 limits.Mobile terminal 200 includes:
Processor (processor) 210, communication interface (Communications Interface) 220, memory
(memory) 230, bus 240.
Processor 210, communication interface 220, memory 230 complete mutual communication by bus 240.
Communication interface 220, is used for and external device, for example, PC, server etc. communicate.
Processor 210, for executing program 232.
Specifically, program 232 may include program code, and said program code includes computer operation instruction.
Processor 210 may be a central processor CPU or specific integrated circuit ASIC (Application
Specific Integrated Circuit), or be arranged to implement the integrated electricity of one or more of the embodiment of the present invention
Road.
Memory 230, for storing program 232.Memory 230 may include high speed RAM memory, it is also possible to further include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Program 232 specifically can wrap
It includes:
Detection module 301, for the multimedia for whether being stored with preset format under preset catalogue to be detected when shooting video
File；
Video processing module 302, if the testing result for detection module 301 is to be stored with the multimedia file,
During shooting, in real time according to preset superposition rule, frame by frame is by the video data of shooting and the multimedia file
In data be overlapped processing；
Generation module 303, for generating preview screen in real time according to the data after superposition processing.
It is apparent to those skilled in the art that for convenience and simplicity of description, the movement of foregoing description
The specific work process of terminal and internal module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed method, apparatus and mobile terminal, it can
To realize by another way.For example, Installation practice described above is only schematical, for example, the module is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple module or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some interfaces, the INDIRECT COUPLING of device or module
Or communication connection, it can be electrical property, mechanical or other forms.
Module may or may not be physically separated as illustrated by the separation member for this, show as module
Component may or may not be physical module, it can it is in one place, or may be distributed over multiple nets
In network module.Some or all of the modules therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in a processing module
It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.
If the integrated module is realized and when sold or used as an independent product in the form of software function module,
It can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention substantially or
Person says that all or part of the part that contributes to existing technology or the technical solution can body in the form of software products
Reveal and, which is stored in a storage medium, including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) execute each embodiment this method of the present invention whole or
Part steps.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic or disk etc. be various to can store program code
Medium.
It should be noted that for the various method embodiments described above, describing for simplicity, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, certain steps can use other sequences or carry out simultaneously.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules might not all be this hair
Necessary to bright.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are the descriptions to method for processing video frequency provided by the present invention, device and mobile terminal, for this field
Technical staff, thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, comprehensive
On, the contents of this specification are not to be construed as limiting the invention.
Claims (17)
1. a kind of method for processing video frequency, which is characterized in that the described method includes:
The multimedia file that preset format whether is stored under local preset catalogue detected when shooting video for mobile terminal；
If being stored with the multimedia file under the local preset catalogue, the mobile terminal during shooting,
In real time according to preset superposition rule, the video data of shooting and the data in the multimedia file are overlapped by frame by frame
Processing；
According to the data after superposition processing, preview screen is generated in real time；
If not stored under the local preset catalogue have the multimedia file, view is continued to execute according to common image pickup mode
Frequency shooting operation.
2. method for processing video frequency as described in claim 1, which is characterized in that it is described regular according to preset superposition in real time, by
Frame the data in the video data of shooting and the multimedia file are overlapped before processing, comprising:
According to preset frame parameter, the video data and the corresponding image quality of the multimedia file are adjusted to consistent.
3. method for processing video frequency as described in claim 1, which is characterized in that it is described regular according to preset superposition in real time, by
The data in the video data of shooting and the multimedia file are overlapped to frame processing, comprising:
In real time according to preset superposition rule, point and stacked system at the beginning of executing superposition processing operation are determined；
When detecting that shooting time point reaches the sart point in time, according to the stacked system, frame by frame is by the view of shooting
Frequency is overlapped processing according to the data in the multimedia file.
4. method for processing video frequency as described in claim 1, which is characterized in that it is described regular according to preset superposition in real time, by
The data in the video data of shooting and the multimedia file are overlapped to frame processing, comprising:
In real time according to preset superposition rule, target frame data and superposition side to be superimposed in the multimedia file are determined
Formula；
According to the stacked system, the video data and the target frame data are overlapped processing by frame by frame.
5. method for processing video frequency as described in claim 1, which is characterized in that it is described regular according to preset superposition in real time, by
The data in the video data of shooting and the multimedia file are overlapped to frame processing, comprising:
When the multimedia file be audio file when, real-time frame by frame by the video data voice data and the sound
Voice data in frequency file is overlapped processing；
When the multimedia file be video file when, real-time frame by frame by the video data voice data and the view
Voice data is overlapped processing in frequency file, by the picture in the picture data and the video file in the video data
Data are overlapped processing.
6. method for processing video frequency as claimed in claim 5, which is characterized in that the frame by frame is by the picture in the video data
Picture data in face data and the video file is overlapped processing, comprising:
Obtain respectively each frame picture of the video data the corresponding accounting of R, G, B metadata and the video
The corresponding accounting of R, G, B metadata of each frame picture of file；
R, G, B metadata of each frame picture of the video data are subjected to product with corresponding accounting respectively, obtained
Corresponding first correction value of R, G, B metadata of each frame picture of the video data；
R, G, B metadata of each frame picture of the video file and corresponding accounting are subjected to product, obtained described
Corresponding second correction value of R, G, B metadata of each frame picture of video file；
Each first correction value is added up with corresponding each second correction value respectively, obtains target view to be output
R, G, B metadata of each frame picture of frequency file.
7. method for processing video frequency as described in claim 1, which is characterized in that the data according to after superposition processing, in real time
Generate preview screen, comprising:
According to preset special effect parameters, special effect processing carried out to the data after superposition processing, and according to the data after special effect processing,
Preview screen is generated in real time.
8. method for processing video frequency as described in claim 1, which is characterized in that if described be stored with the multimedia file,
During shooting, in real time according to preset superposition rule, frame by frame is by the video data of shooting and the multimedia file
In data be overlapped processing, comprising:
If being stored with the multimedia file, prompt information is exported, to prompt user to be confirmed whether to be overlapped processing；
It is regular according to preset superposition in real time during shooting if receiving the confirmation instruction of user's triggering, by
The data in the video data of shooting and the multimedia file are overlapped to frame processing；
If receiving the refusal instruction of user's triggering, when receiving the superposition instruction of user's triggering, institute is executed
It states during shooting, in real time according to preset superposition rule, frame by frame is literary by the video data of shooting and the multimedia
The step of data in part are overlapped processing.
9. a kind of video process apparatus, which is characterized in that described device includes:
Detection module, for the multimedia for whether being stored with preset format under local preset catalogue to be detected when shooting video
File；
Video processing module, if the testing result for the detection module is described to be stored under the local preset catalogue
Multimedia file, then during shooting, in real time according to preset superposition rule, frame by frame is by the video data of shooting and institute
It states the data in multimedia file and is overlapped processing；
Generation module, for generating preview screen in real time according to the data after superposition processing；
Shooting unit, if having the multimedia file for not stored under the local preset catalogue, according to common camera shooting
Mode continues to execute movie shooting operation.
10. video process apparatus as claimed in claim 9, which is characterized in that
The video processing module is also used to be overlapped by the video data of shooting and the data in the multimedia file
Before processing, according to preset frame parameter, the video data and the corresponding image quality of the multimedia file are adjusted to one
It causes.
11. video process apparatus as claimed in claim 9, which is characterized in that the video processing module is also used to:
In real time according to preset superposition rule, point and stacked system at the beginning of executing superposition processing operation are determined；
When detecting that shooting time point reaches the sart point in time, according to the stacked system, frame by frame is by the view of shooting
Frequency is overlapped processing according to the data in the multimedia file.
12. video process apparatus as claimed in claim 9, which is characterized in that the video processing module is also used to:
In real time according to preset superposition rule, target frame data and superposition side to be superimposed in the multimedia file are determined
Formula；
According to the stacked system, the video data and the target frame data are overlapped processing by frame by frame.
13. video process apparatus as claimed in claim 9, which is characterized in that the video processing module is also used to:
When the multimedia file be audio file when, real-time frame by frame by the video data voice data and the sound
Voice data in frequency file is overlapped processing；
When the multimedia file be video file when, real-time frame by frame by the video data voice data and the view
Voice data is overlapped processing in frequency file, by the picture in the picture data and the video file in the video data
Data are overlapped processing.
14. video process apparatus as claimed in claim 13, which is characterized in that the video processing module is also used to:
Obtain respectively each frame picture of the video data the corresponding accounting of R, G, B metadata and the video
The corresponding accounting of R, G, B metadata of each frame picture of file；
R, G, B metadata of each frame picture of the video data are subjected to product with corresponding accounting respectively, obtained
Corresponding first correction value of R, G, B metadata of each frame picture of the video data；
R, G, B metadata of each frame picture of the video file and corresponding accounting are subjected to product, obtained described
Corresponding second correction value of R, G, B metadata of each frame picture of video file；
Each first correction value is added up with corresponding each second correction value respectively, obtains target view to be output
R, G, B metadata of each frame picture of frequency file.
15. video process apparatus as claimed in claim 9, which is characterized in that
The video processing module, is also used to according to preset special effect parameters, carries out special effect processing to the data after superposition processing；
The generation module is also used to generate preview screen in real time according to the data after special effect processing.
16. video process apparatus as claimed in claim 9, which is characterized in that described device further include:
Nformation alert module, if the testing result for the detection module is to be stored with the multimedia file, output is mentioned
Show information, to prompt user to be confirmed whether to be overlapped processing；
Command reception module, for receiving the confirmation instruction and refusal instruction of user's triggering；
The video processing module, if being also used to the confirmation instruction that described instruction receiving module receives user's triggering,
During shooting, in real time according to preset superposition rule, frame by frame is by the video data of shooting and the multimedia file
In data be overlapped processing；
The video processing module, if being also used to the refusal instruction that described instruction receiving module receives user's triggering,
When described instruction receiving module receives the superposition instruction of user's triggering, execution is described during shooting, in real time
According to preset superposition rule, the data in the video data of shooting and the multimedia file are overlapped processing by frame by frame
The step of.
17. a kind of mobile terminal characterized by comprising processor, communication interface, memory and bus；
Wherein processor, communication interface, memory complete mutual communication by bus；
The communication interface, is used for and communicating with external device；
The processor, for executing program；
The memory, for storing described program；
Described program includes:
Detection module, for the multimedia for whether being stored with preset format under local preset catalogue to be detected when shooting video
File；
Video processing module, if the testing result for the detection module is described to be stored under the local preset catalogue
Multimedia file, then during shooting, in real time according to preset superposition rule, frame by frame is by the video data of shooting and institute
It states the data in multimedia file and is overlapped processing；
Generation module, for generating preview screen in real time according to the data after superposition processing；
Shooting unit, if having the multimedia file for not stored under the local preset catalogue, according to common camera shooting
Mode continues to execute movie shooting operation.
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