CN113766116A - Method and storage medium for quickly shooting mobile equipment - Google Patents
Method and storage medium for quickly shooting mobile equipment Download PDFInfo
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- CN113766116A CN113766116A CN202010506945.6A CN202010506945A CN113766116A CN 113766116 A CN113766116 A CN 113766116A CN 202010506945 A CN202010506945 A CN 202010506945A CN 113766116 A CN113766116 A CN 113766116A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000003860 storage Methods 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000004590 computer program Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 description 13
- 230000006399 behavior Effects 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000203475 Neopanax arboreus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
- H04N23/631—Graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
Abstract
The invention provides a method for quickly shooting mobile equipment and a storage medium, wherein the method comprises the following steps: monitoring data transmitted by equipment drive; and analyzing the data, and calling the camera application if the analysis result corresponds to the specified touch screen event. The method and the device can realize that the camera application can be called out quickly and accurately in any state of the mobile equipment in the starting state; the operation method can be customized, so that the operation method is simpler, more convenient and more unique, and more accords with the operation habit of a user; the photographing or the shooting can be completed more quickly and intelligently based on the operation time, so that the operation convenience is improved; in addition, the invention has the characteristics of simple and convenient implementation mode, low cost, high practicability and the like.
Description
Technical Field
The invention relates to the field of mobile terminal shooting, in particular to a method and a storage medium for quickly shooting mobile equipment.
Background
Generally, when a user wants to use a mobile device to shoot, the user needs to operate a camera of the calling system and then perform corresponding operation. However, many worthwhile/necessary scenes in life are evanescent, and often disappear when you call out the system camera to shoot again. Therefore, some device manufacturers have developed to provide a shortcut shooting button for a real object, and a user can shoot by clicking or pressing the shortcut shooting button for a long time (for example, a hammer mobile phone), but it is not practical to change the mobile phone for the user to shoot quickly.
The application number is CN201510813078.X, the name is a method and a terminal for quickly starting a camera, and the method and the terminal disclose that in a black screen state, a touch signal received by a terminal screen is preset to be acquired in real time according to a pressure sensing plate by detecting whether a user touches a preset effective operation area on the terminal screen; judging whether a touch signal received by a terminal screen obtained by a pressure sensing plate meets a preset starting gesture instruction or not; and if the touch signal received by the terminal screen obtained by the pressure sensing plate is detected to meet the preset starting gesture instruction, starting the function of the terminal camera. The solution of the scheme is that the user directly starts the camera without unlocking the screen. However, it can only be implemented in a black screen state without unlocking, and cannot be implemented in an unlocking state, because the touch screen behavior of the user is consumed by the application interface.
Therefore, it is necessary to provide a scheme for realizing a quick start shooting function without limiting the screen state.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a method and a storage medium for fast photographing of a mobile device are provided, which can quickly trigger a photographing function without limiting a screen state.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for fast shooting of a mobile device comprises the following steps:
monitoring data transmitted by equipment drive;
and analyzing the data, and calling the camera application if the analysis result corresponds to the specified touch screen event.
The invention provides another technical scheme as follows:
a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, enables the steps included in the above-described method for fast photographing for a mobile device.
The invention has the beneficial effects that: the method and the device intercept all touch screen events in a hardware interrupt monitoring mode, and the touch screen events can be accurately acquired regardless of whether the screen is dark or bright and cannot be consumed by applications. Therefore, the camera application can be quickly called for shooting by combining with the appointed touch screen event, so that the shooting function can be triggered very conveniently and very quickly, and various scenes needing to be reserved are reserved; is particularly suitable for emergency scenes and child-care scenes.
Drawings
Fig. 1 is a flowchart illustrating a method for fast photographing by a mobile device according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a method for fast photographing by a mobile device according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating exemplary contact relationships for a designated touch screen event according to a second embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for fast shooting by a mobile device according to a third embodiment of the present invention.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: all touch screen events are intercepted in a hardware interrupt monitoring mode, and a camera application is quickly called for shooting according to the appointed touch screen events.
Referring to fig. 1, the present invention provides a method for fast shooting by a mobile device, including:
monitoring data transmitted by equipment drive;
and analyzing the data, and calling the camera application if the analysis result corresponds to the specified touch screen event.
From the above description, the beneficial effects of the present invention are: no matter in the state of black screen or bright screen, the camera application can be called out quickly through appointed touch screen operation, and the requirement of emergency shooting is met.
Further, the designated touch screen event is that there are three contacts which are not on the same straight line, and the ending distance of any two contacts is smaller than the initial distance.
As can be seen from the above description, the specified touch event is simple to operate and can be completed quickly in a short time, so that the call for the camera application can be completed in the shortest time; meanwhile, the touch screen event has uniqueness, can be distinguished from other commonly used gestures of equipment, and is not easy to generate confusion.
Further, still include:
monitoring the touch screen operation time of the specified touch screen event;
if the touch screen operation time is smaller than a preset threshold value, calling a camera application and then triggering a photographing function;
and if the touch screen operation time of the specified touch screen event exceeds a preset threshold value, calling the camera application and then triggering a shooting function to start shooting until the touch screen operation is finished or the shooting time upper limit of the camera application is reached.
According to the description, the shooting or video shooting can be automatically and directly triggered according to the length of the operation time of the touch screen, the intelligent effect is achieved, meanwhile, the operation time can be further shortened, and one-key triggering and shooting are achieved.
Further, the data transmitted by the listening device driver specifically includes:
and acquiring data transmitted by the equipment driver by monitoring the dev/input/directory under linux.
As can be seen from the above description, the electrical signals to be transmitted to the core can be obtained by directly monitoring the specified directory, and the implementation is simple.
Further, the data includes coordinate positions of the respective contacts over time.
As can be seen from the above description, the monitored data includes coordinate data of each contact point changing with time, and a corresponding gesture can be subsequently resolved.
The invention provides another technical scheme as follows:
a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, enables the following steps of a method for fast photographing for a mobile device, comprising:
monitoring data transmitted by equipment drive;
and analyzing the data, and calling the camera application if the analysis result corresponds to the specified touch screen event.
Further, the designated touch screen event is that there are three contacts which are not on the same straight line, and the ending distance of any two contacts is smaller than the initial distance.
Further, still include:
monitoring the touch screen operation time of the specified touch screen event;
if the touch screen operation time is smaller than a preset threshold value, calling a camera application and then triggering a photographing function;
and if the touch screen operation time of the specified touch screen event exceeds a preset threshold value, calling the camera application and then triggering a shooting function to start shooting until the touch screen operation is finished or the shooting time upper limit of the camera application is reached.
Further, the data transmitted by the listening device driver specifically includes:
and acquiring data transmitted by the equipment driver by monitoring the dev/input/directory under linux.
Further, the data includes coordinate positions of the respective contacts over time.
As can be understood from the above description, those skilled in the art can understand that all or part of the processes in the above technical solutions can be implemented by instructing related hardware through a computer program, where the program can be stored in a computer-readable storage medium, and when executed, the program can include the processes of the above methods. The program can also achieve advantageous effects corresponding to the respective methods after being executed by a processor.
The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
Example one
Referring to fig. 2, the embodiment provides a method for fast shooting of a mobile device, which can call a camera application within 1-2 s.
The method comprises the following steps:
s1: presetting a designated touch screen event;
the designated touch screen event is a gesture for calling out a camera application, and can be flexibly configured; preferably without conflict with gestures already set by the application within the device.
Alternatively, the designated touch screen event may be "two-finger/three-finger/four-finger/five-finger inward grabbing" or "two-finger/three-finger/four-finger/five-finger outward spreading" or "single-finger hooking" or "single-finger circling" or other designated gesture.
S2: monitoring data transmitted by equipment drive;
wherein the data includes a coordinate position of each contact point over time.
It is known that any touch screen behavior or keystroke behavior of the user can be recognized by the application, because the electrical signals generated by these behaviors are transmitted to the system kernel through the device driver, and then sent to the application framework by the system kernel, and finally fed back to the user interface. Thus, by listening to data transmitted by the device driver, raw data about any touch screen behavior that the device driver wants to transmit to the system kernel can be obtained.
In a specific example, data transmitted by the device driver is located in a/dev/input/directory located under linux, so that touch screen data provided for a system kernel by the driver device can be acquired only by monitoring the data in the directory, and then a touch screen operation gesture of a user is acquired, and a normal processing flow of the system kernel is not affected.
S3: analyzing the data acquired by S2 to acquire a corresponding touch screen event;
by analyzing the continuously acquired data, a touch screen event, namely an operation gesture, operated by the user in the corresponding time period can be acquired.
S4: and when the resolving result of the S3 corresponds to the specified touch screen event, calling the camera application.
When the analysis result is the preset specified touch screen event of the S1, the camera application is immediately called out and enters the application.
In the embodiment, all touch screen events are intercepted in a mode of directly monitoring hardware interruption, and touch screen gestures cannot be consumed by an application, so that the touch screen gestures of a user can be acquired and processed in a black screen state or a bright screen state; therefore, the mobile device can immediately call out the photographing application in any state (whether in a black screen (screen locking) state or in any application interface state in a bright screen state) and enter the photographing application. The user can immediately press the shutter to take an image or movie.
Example two
The embodiment is further expanded on the basis of the first embodiment, and the triggering speed and the triggering accuracy are improved by limiting specific touch screen events.
The present embodiment defines the designated touch screen event as having three contacts that are not on the same straight line, and the ending distance of any two contacts is smaller than the initial distance. It can be simply understood as an inward grip of three fingers.
The specific operation scene is as follows: when the user touches the screen with three fingers simultaneously or successively, the coordinates of the contact 1, the contact 2 and the contact 3 on the screen are obtained, please refer to fig. 3; taking the point where the user touches the screen as a vertex, namely taking the contact 1, the contact 2 and the contact 3 as the vertices, if the three points form a line which is not the same, a triangle is inevitably formed; the system calculates the distance between any two touch points according to the coordinates of the touch point 1, the touch point 2 and the touch point 3; then, the system monitors the moving tracks of the three contacts, if the distance between any two contacts is found to be continuously reduced, specifically, after the finger moves for a certain distance, assuming that the contact 1 ', the contact 2 ' and the contact 3 ' shown in fig. 3 are the coordinates of the termination positions of the contact 1, the contact 2 and the contact 3 after moving, the distance between any two contacts at the moment is calculated according to the coordinates of the termination positions, and then whether the termination distance of any two contacts is smaller than the initial distance is compared, if yes, the system judges that the distance is consistent, and then the camera lens of the mobile device is called.
EXAMPLE III
Referring to fig. 4, the embodiment is further limited based on the first embodiment or the second embodiment, so as to expand the functions, and the photographing or filming can be triggered according to the judgment of the operation time, thereby not only further shortening the operation time, but also improving the operation convenience and being more intelligent.
Specifically, the data intercepted in S2 of the first embodiment further includes a timestamp of each coordinate;
the S4 specifically includes:
s41: when the analysis result of the S3 corresponds to the designated touch screen event, monitoring the touch screen operation time of the designated touch screen event; if the touch screen operation time is less than the preset threshold value, executing S42; if the preset threshold value is exceeded, S43;
s42: after the camera application is called out, the photographing function can be automatically triggered, namely, the camera is automatically called out and photographing is completed;
s43: and after the camera application is called out, the video recording function can be automatically triggered to start shooting until the touch screen operation is finished or the upper limit of the shooting time allowed by the camera application is reached. I.e. automatically tune the camera out and start recording.
Example four
This embodiment provides a specific application scenario corresponding to the third embodiment:
scene one: a user walks in a remote lane in the evening and looks at the mobile phone while walking. At this time, a robber rides the motorcycle and skims the motorcycle from her side, and quickly escapes after taking away a bag carried on the shoulder of the robber. After the user responds, the opposite side escapes for 10 meters, at the moment, the user is busy and aims at the robber with the mobile phone, three fingers stretch out to quickly grab the screen, the whole process is not more than 2 seconds, the image of the robber with the car owner can be shot, and the robber escapes without the shadow. The user then gives an alarm, and the police can quickly locate the robber according to the photos quickly taken by the user. Without the technical solution of the third embodiment, the user needs to return to the desktop, swipe the screen to find the camera software, click to activate, locate, and take a picture again, at least several seconds, even if the other party has escaped the shadow in such a short time.
Scene two: a certain user takes a child to go to a park for playing, but at present, children basically play the user with the child, the adult brushes a mobile phone while playing the mobile phone, and occasionally, the adult looks up to see that the child has something dangerous to do or does not run too far. When watching the mobile phone, the user hears the child to shout, sees the child playing a difficult action, and then aims the mobile phone at the child immediately, and then slowly grabs the screen with three fingers, so that the video recording is started from the wonderful moment.
EXAMPLE five
In an example one, when a user wants to start a photographing function, the user first touches the screen with three fingers, and coordinates of the three fingers touching the touch points are respectively: p1(100,200), p2(600,300) and p3(400,500), from which the distances between the three points can be calculated as: s12 ═ 509.9; s23 ═ 282.8; s13 is 424.3, and t1 is 1585832364165.
The user makes a grabbing gesture by three fingers, the fingers are gathered towards the middle, and finally the fingers leave the screen at the points p '1(150,250), p '2(550,250) and p '3(450,400), and according to the current three points, the distances between the current points can be calculated as follows: s'12 ═ 400; s'23 ═ 180.2; s' 13-335.4, and the timestamp off-screen t 2-1585832364883.
By comparison, s '12< s12 and s '23< s23 and s '13< s 13; and meanwhile, t2-t1 is 717 (milliseconds), which is smaller than the threshold value of the system for 1000 milliseconds, so that the gesture operation of the user is confirmed to be effective grabbing at the time, and the system calls the camera to execute a photographing instruction.
In example two, when the user wants to start the recording function, the user first touches the screen with three fingers, and the coordinates of the three fingers touching the touch points are respectively: p1(100,200), p2(600,300) and p3(400,500), from which the distances between the three points can be calculated as: s12 ═ 509.9; s23 ═ 282.8; s13 is 424.3, time stamp of touch (time difference between three fingers is negligible) t1 is 1585832364165;
the three fingers of the user make a grabbing gesture, gather towards the middle, and finally stay at the points p '1(150,250), p '2(550,250) and p '3(450,400), respectively, and at least one finger still stays on the screen, and according to the current three points, the distances between the current points can be calculated to be respectively: s'12 ═ 400; s'23 ═ 180.2; s' 13-335.4.
By comparison, s '12< s12 and s '23< s23 and s '13< s 13; meanwhile, as another finger stays on the screen, after 1000 milliseconds of a threshold value specified by the system, the gesture operation of the user is confirmed to be effective grabbing at one time, and the system calls the camera to execute a video recording instruction.
EXAMPLE six
Corresponding to the first to fifth embodiments, the present embodiment provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when being executed by a processor, is capable of implementing the steps included in the method for fast shooting by a mobile device according to any one of the first to fifth embodiments. The detailed steps are not repeated here, and refer to the descriptions of the first to fifth embodiments for details.
In summary, the method and the storage medium for fast shooting by the mobile device provided by the invention can realize that the camera application can be called out fast and accurately in any state of the mobile device in the power-on state; the operation method can be customized, so that the operation method is simpler, more convenient and more unique, and more accords with the operation habit of a user; the photographing or the shooting can be completed more quickly and intelligently based on the operation time, so that the operation convenience is improved; in addition, the invention has the characteristics of simple and convenient implementation mode, low cost, high practicability and the like.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (6)
1. A method for quickly shooting by a mobile device is characterized by comprising the following steps:
monitoring data transmitted by equipment drive;
and analyzing the data, and calling the camera application if the analysis result corresponds to the specified touch screen event.
2. A method for quick shooting of a mobile device according to claim 1, wherein the specified touch screen event is that there are three touch points which are not on the same straight line, and wherein the ending distance of any two touch points is less than the initial distance.
3. The method for fast photographing of a mobile device according to claim 1, further comprising:
monitoring the touch screen operation time of the specified touch screen event;
if the touch screen operation time is smaller than a preset threshold value, calling a camera application and then triggering a photographing function;
and if the touch screen operation time of the specified touch screen event exceeds a preset threshold value, calling the camera application and then triggering a shooting function to start shooting until the touch screen operation is finished or the shooting time upper limit of the camera application is reached.
4. The method for fast shooting by a mobile device according to claim 1, wherein the data transmitted by the listening device driver is specifically:
and acquiring data transmitted by the equipment driver by monitoring the dev/input/directory under linux.
5. A method of short-cut photography for a mobile device as recited in claim 1, wherein the data comprises a time-varying coordinate location of each contact.
6. A computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, is capable of implementing the steps included in the method for fast photographing of a mobile device according to any one of claims 1 to 5.
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