CN113163483B - Timestamp updating method and device and electronic equipment - Google Patents
Timestamp updating method and device and electronic equipment Download PDFInfo
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- CN113163483B CN113163483B CN202110421339.9A CN202110421339A CN113163483B CN 113163483 B CN113163483 B CN 113163483B CN 202110421339 A CN202110421339 A CN 202110421339A CN 113163483 B CN113163483 B CN 113163483B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
Abstract
According to the timestamp updating method, device and electronic device disclosed by the embodiments of the present disclosure, after receiving first operation data of a second device, second operation data sent by the second device is determined, if it is determined that the first operation data and the second operation data satisfy a preset association condition, an initial time interval between generating the first operation data and generating the second operation data can be determined according to a second initial timestamp of the second operation data and a first initial timestamp of the first operation data, and a first local timestamp of the first operation data can be determined according to a second local timestamp and the initial time interval of the second operation data, so that a time interval for executing the first operation data and the second operation data can be the same as a time interval for generating the first operation data and the second operation data, thereby preventing the first device from receiving a plurality of operation data commands in a short time due to network delay, a jitter phenomenon occurs.
Description
Technical Field
The present disclosure relates to the field of internet technologies, and in particular, to a timestamp updating method and apparatus, and an electronic device.
Background
With the development of scientific technology, the way in which a user inputs instructions to a terminal device becomes more diversified. A user may enter commands through an input device (keyboard, mouse, touch screen, etc.). The user only needs to connect the input device to the terminal device, and the instruction can be input. Generally, the terminal device and the input device are connected by a wire, but the wire may cause a connection line to exist between the input device and the terminal device, and thus, the placement position of the input device may be affected. With the development of wireless network transmission technology, the terminal equipment and the input equipment can be connected in a wireless mode, so that the input equipment can be placed at will.
Disclosure of Invention
This disclosure is provided to introduce concepts in a simplified form that are further described below in the detailed description. This disclosure is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
The embodiment of the disclosure provides a timestamp updating method and device and an electronic device, which can avoid a jitter phenomenon caused by the fact that a first device receives a plurality of operation data sent by a device in wireless connection when a network condition is not good.
In a first aspect, an embodiment of the present disclosure provides a timestamp updating method, applied to a first device, including: the method comprises the steps that in response to receiving first operation data transmitted by second equipment, second operation data sent by the second equipment are determined, wherein the second equipment generates operation data based on operation of a user, and the first equipment is in wireless connection with the second equipment; in response to determining that the first operation data and the second operation data meet a preset association condition, determining an initial time interval for generating the first operation data and the second operation data according to a first initial timestamp of the first operation data and a second initial timestamp of the second operation data, wherein the initial timestamps are used for indicating a time when the second device generates the operation data; and determining a first local timestamp of the first operation data based on a second local timestamp of the second operation data and the initial time interval, wherein the local timestamp is used for indicating the time when the first device executes the operation data.
In a second aspect, an embodiment of the present disclosure provides a timestamp updating apparatus, which is applied to a first device, where the timestamp updating apparatus includes: a first determining unit, configured to determine, in response to receiving first operation data transmitted by a second device, second operation data that has been transmitted by the second device, where the second device generates the operation data based on an operation of a user, and the first device is wirelessly connected to the second device; a second determining unit, configured to determine, in response to determining that the first operation data and the second operation data satisfy a preset association condition, an initial time interval for generating the first operation data and an initial time interval for generating the second operation data according to a first initial time stamp of the first operation data and a second initial time stamp of the second operation data, where the initial time stamps are used to indicate times at which the second device generates the operation data; a third determining unit, configured to determine a first local timestamp of the first operation data based on a second local timestamp of the second operation data and the initial time interval, where the local timestamp is used to indicate a time when the first device executes the operation data.
In a third aspect, an embodiment of the present disclosure provides an electronic device, including: one or more processors; a storage device, configured to store one or more programs, which when executed by the one or more processors, cause the one or more processors to implement the timestamp updating method according to the first aspect.
In a fourth aspect, the disclosed embodiments provide a computer readable medium, on which a computer program is stored, which when executed by a processor, implements the steps of the timestamp updating method as described above in the first aspect.
According to the timestamp updating method, the timestamp updating device and the electronic device provided by the embodiments of the present disclosure, after receiving first operation data of a second device, second operation data sent by the second device is determined, if it is determined that the first operation data and the second operation data satisfy a preset association condition, an initial time interval between generating the first operation data and generating the second operation data can be determined according to a second initial timestamp of the second operation data and a first initial timestamp of the first operation data, and a first local timestamp of the first operation data can be determined according to a second local timestamp and the initial time interval of the second operation data, so that the time interval between executing the first operation data and the second operation data can be the same as the time interval between generating the first operation data and the second operation data, thereby preventing the first device from receiving a plurality of operation data commands in a short time due to network delay, a jitter phenomenon occurs.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
FIG. 1 is a flow diagram for one embodiment of a timestamp updating method according to the present disclosure;
FIG. 2 is a time comparison schematic diagram of one embodiment of a timestamp update method according to the present disclosure;
FIG. 3 is a data transfer diagram for one embodiment of a timestamp update method according to the present disclosure;
FIG. 4 is a data transfer diagram of yet another embodiment of a timestamp updating method according to the present disclosure;
FIG. 5 is a data transfer schematic diagram of yet another embodiment of a timestamp updating method according to the present disclosure;
FIG. 6 is a schematic block diagram illustrating one embodiment of a timestamp updating apparatus according to the present disclosure;
FIG. 7 is an exemplary system architecture to which the timestamp updating method of one embodiment of the present disclosure may be applied;
fig. 8 is a schematic diagram of a basic structure of an electronic device provided according to an embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that the various steps recited in the method embodiments of the present disclosure may be performed in a different order, and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a" or "an" in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will appreciate that references to "one or more" are intended to be exemplary and not limiting unless the context clearly indicates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
Referring to fig. 1, a flow diagram of one embodiment of a timestamp updating method according to the present disclosure is shown. The timestamp updating method may be applied to a first device (here, the first device may be understood as a terminal device or a server). The timestamp updating method as shown in fig. 1 includes the following steps:
Here, the second device generates operation data based on an operation by the user.
Here, the first device is wirelessly connected with the second device.
As an example, after the second device generates the operation data, the operation data may be transmitted to the first device through the wireless network, and the first device may buffer the operation data after receiving the operation data transmitted by the second device, that is, the second operation data may be understood as some operation data in the buffered operation data.
Here, the user may perform a predefined operation (e.g., a slide operation, a click operation, etc.) on the second device, and the second device may generate operation data according to the operation performed by the user. As an example, when the user performs a slide operation, the operation data may be generated based on a start point of the slide operation, may be generated based on an end point of the slide operation, or may be generated based on a path of the slide operation.
And step 102, in response to the fact that the first operation data and the received second operation data meet the preset association condition, determining an initial time interval for generating the first operation data and the second operation data according to a first initial time stamp of the first operation data and a second initial time stamp of the second operation data.
Here, the initial time stamp is used to indicate a time when the second device generates the operation data. In other words, when the second device generates the operation data, the operation data is given an initial time stamp based on the time at which the operation data is generated.
In general, the timestamp may be used to record the time at which the operation data exists, and correspondingly, the initial timestamp may be used to characterize the generation time of the operation data (i.e., the initial timestamp is used to characterize the time at which the operation data was generated by the second device); and from the initial timestamps of the two operation data, the initial time interval for the second device to generate the two operation data may be determined.
Here, the first operation data and the second operation data satisfying the preset association condition may be used to indicate that: the first operation data and the second operation data may be operation data generated by a user performing one operation or operation data generated by a user performing a continuous operation. As an example, when the user performs a slide operation, and when first operation data is generated based on a start point of the slide and second operation data is generated based on an end point of the slide, the first operation data and the second operation data satisfy a preset association condition. For another example, after the user performs the sliding operation, the user performs the clicking operation again in a short period of time, and if the first operation data is the operation data generated based on the sliding operation and the second operation data is the operation data generated based on the clicking operation, the first operation data and the second operation data may also satisfy the preset association condition.
Here, the local timestamp is used to indicate the time at which the first device executed the operation data. That is, the first local timestamp may be used to indicate a time at which the first device executed the first operation data.
Here, since the first device and the second device are two devices, after receiving the operation data, in order to enable the operation data to be smoothly executed, the first device needs to determine a local timestamp of the operation data; in other words, the operation data transmitted by the second device to the first device must determine the local timestamp in order to be executed by the first device. And after determining the local timestamp of the operational data, it may be characterized that the operational data may be executed by the first device; that is, the local timestamp may also be used to indicate the time that the operation data was executed at the first device.
For example, the following steps are carried out: when the execution body receives a certain operation data at the time T1 and determines the local timestamp of the operation data at the time T2(T2 is after T1), that is, only when the time reaches T2, the operation data is executed (generally, the execution of the operation data can be understood as the time when the operation data is set as valid data in the first device). For example, when operation data indicating a rendering special effect is received at time T1, the operation data is not immediately executed (that is, the rendering special effect is not displayed), but the execution subject starts executing the rendering special effect indicated by the operation data only when time T2 starts.
In the related art, after the first device receives the first operation data, the local timestamp of the first operation data is generated directly at the time of receiving the first operation data. When the network state fluctuates, the execution main body may receive a plurality of operation data sent by the second device in a short time, so that the first device may generate a jitter phenomenon when executing the operation data. For example, the following steps are carried out: the operation instructions executed by the user may be: firstly, turning pages, rendering an effect A on the page after one second (for example, displaying the effect of releasing fireworks on the page), then rendering an effect B after one second (for example, displaying the effect of water waves on the page), if a user receives the operation data in a short time, the pages may be turned after a while, then the effect A is executed instantly, and then the effect B is executed instantly, so that a shaking phenomenon occurs.
It can be seen that, in the embodiment of the present disclosure, after receiving first operation data of a second device, second operation data sent by the second device is determined, if it is determined that the first operation data and the second operation data satisfy a preset association condition, an initial time interval between generating the first operation data and generating the second operation data may be determined according to a second initial time stamp of the second operation data and a first initial time stamp of the first operation data, and a first local time stamp of the first operation data may be determined according to a second local time stamp of the second operation data and the initial time interval, so that a time interval for executing the first operation data and the second operation data may be the same as a time interval for generating the first operation data and the second operation data, thereby preventing the first device from receiving a plurality of operation data commands in a short time due to network delay, a jitter phenomenon occurs.
In some embodiments, it may be determined that the first operation data and the second operation data satisfy the preset association condition by: and in response to determining that the time interval between the receiving of the first operation data and the receiving of the second operation data is smaller than a preset time threshold, determining that the first operation data and the second operation data meet a preset association condition.
Here, when the time interval between the receiving of the first operation data and the receiving of the second operation data is smaller than the preset time threshold, it may be characterized that the time interval between the generating of the first operation data and the generating of the second operation data may be shorter, and thus, the preset association condition is also satisfied between the first operation data and the second operation data.
As an example, when the initial time interval between the receiving of the first operation data and the receiving of the second operation data is less than the preset time threshold, the first operation data and the second operation data may be operation data generated by a user performing a continuous operation; so that the time interval between the time instant indicated by the second local timestamp and the time instant indicated by the first local timestamp may be equal to the initial time interval. In other words, it can be understood that the generation time difference (i.e., the initial time interval) of the first operation data and the second operation data is the same as the execution time difference of the first operation data and the second operation data. It can be understood that the time interval between the first device executing the first operation data and the second operation data is equal to the initial time interval, so that the jitter phenomenon caused by the bad network status can be avoided.
As an example, the preset duration threshold may be set according to an actual situation, and the specific duration of the preset duration threshold is not limited herein, and only needs to be set reasonably according to the actual situation. As an example, it may be 5 seconds.
In some implementations, it may also be determined that the first operation data and the second operation data satisfy the preset association condition by: and in response to determining that the operation type indicated by the first operation data is the same as the operation type indicated by the second operation data, determining that the first operation data and the second operation data meet the preset association condition.
Here, the execution body may further receive operation type data of the operation data, and may determine, in conjunction with the operation type data of the operation data, an operation type indicated by the operation data. For example, the operation type indicated by the first operation data is determined to be a sliding operation according to the operation type data corresponding to the first operation data, and the operation type indicated by the second operation data is determined to be a sliding operation according to the operation type data corresponding to the second operation data, at this time, it may be indicated that the first operation data and the second operation data satisfy a preset association condition (for example, a user may perform a sliding operation, thereby generating the first operation data and the second operation data).
In some embodiments, it may also be determined that the first operation data and the second operation data satisfy the preset association condition according to a time interval between the receiving of the first operation data and the receiving of the second operation data, and an operation type indicated by the first operation data and an operation type indicated by the second operation data.
As an example, it is determined that the first operation data and the second operation data satisfy the preset association condition only when the initial time interval between the receiving of the first operation data and the receiving of the second operation data is less than the preset time threshold and the operation type indicated by the first operation data is the same as the operation type indicated by the second operation data.
As an example, when a generation time difference (i.e., an initial time interval) of the first operation data and the second operation data is not identical to an execution time difference of the first operation data and the second operation data, an erroneous operation phenomenon may also occur to the execution main body.
Here, the execution subject malfunction phenomenon may be understood as: the operation state performed by the execution main body is different from the operation state that the user wants to perform. With reference to fig. 2, fig. 2 is a schematic diagram of a display interface of an execution main body (a first device), a solid line box 201 in fig. 2 may represent the display interface, and a dashed line box 202 may represent document content, it can be seen that, at this time, the display interface only shows part of the document content, if a user wants to scroll the display page upward to view subsequent content of the document, the user may execute a sliding operation on a second device, and according to a distance of the sliding operation and a speed of the sliding operation, a distance of the display page showing the content that is scrolled upward may be determined. If the time interval at which the first device receives the first operation data and the second operation data is different from the time interval at which the first operation data and the second operation data are generated, the sliding speed calculated from the first operation data and the second operation data may be made different, so that the operation state performed by the execution main body is different from the operation state that the user wants to perform. For example, after the user performs a swipe operation, the presentation page should present the content within the dashed box 203, but since the user's slow swipe is identified as a fast swipe, the presentation page may present the content within the dashed box 204.
To better understand the idea provided by the present embodiment, further illustration is made:
when a user performs a predefined operation (e.g., a swipe operation, a click operation, etc.) on the second device, the second device generates operation data. For example, when the user performs a slide operation on the second device, the first operation data may be generated based on the coordinates of the end point of the slide operation, and the second operation data may be generated based on the coordinates of the start point of the slide operation. Further, a sliding speed of the sliding operation may be determined according to the initial time interval of the first operation data and the second operation data. Correspondingly, if the time interval between the first local timestamp of the first operation data and the second local timestamp of the second operation data is different from the initial time interval, the determined sliding speed may be different from the actual sliding speed of the user, so that an erroneous instruction may be executed, for example, when the sliding speed of the user is within a certain threshold, it is determined that the user is performing a page turning operation, and when the sliding speed is greater than or equal to the certain speed threshold, it may be characterized that the user is performing a scrolling operation at this time.
To facilitate the ideas provided by the present disclosure, which can be explained in conjunction with fig. 3, as shown in fig. 3, L1, L2, and L3 are 3 timelines, respectively, and e1 time and e2 time on L1 can represent the time when the second device generates the operation data, e.g., e2 time on L1 can represent the second device generates the second operation data, e1 time on L1 can represent the second device generates the first operation data, and e3 time and e4 time on L2 can represent the time when the first device receives the first operation data and the second operation data in an ideal case; that is, ideally, the first device receives the second operation data at time e3 and the first operation data at time e4, and the time interval between time e4 and time e3 is the same as the time interval between time e1 and time e 2. However, the actual situation that the first device receives the operation data is through the time point e5 and the time point e6 on L3, that is, the actual situation is that the first device receives the second operation data at the time point e5 and the first operation data at the time point e6, and it can be seen that the time interval between the time point e5 and the time point e6 is significantly smaller than the time interval between the time point e1 and the time point e 2. At this time, if the local timestamp of the operation data is determined directly from the current time, there may be a jitter, an operation recognition error, and the like.
That is, by determining the second local timestamp of the second operation data and the initial time interval, the first local timestamp of the first operation data may be such that the time interval between the execution of the second operation data by the execution subject and the execution of the first operation data is equal to the initial time interval; the jitter phenomenon caused by receiving a plurality of operation data in a short time can be avoided; for example, a plurality of operation data is executed in a short time, so that the presentation page constantly changes the presentation state. Meanwhile, the phenomenon that the operation instruction executed by the first equipment is inconsistent with the operation instruction input by the user, so that misoperation is caused can be avoided.
In some embodiments, in response to the received first operation data and the received second operation data not meeting the preset association condition, a first local timestamp of the first operation data is determined according to the current time.
Here, that the receiving of the first operation data and the receiving of the second operation data do not satisfy the preset association condition may be characterized by: the correlation of the first operation data with the second operation data is not high, and in order to avoid too late execution of the first operation data, the first local timestamp of the first operation data may be determined according to the current time, so that the first operation data may be executed in time.
Generally, if the time interval between the receiving of the first operation data and the receiving of the second operation data is long, the correlation between the two operation data may be weak or the network environment may be very bad. For example, the second operation data is operation data generated after the user performs a page turning operation, and the first operation data is operation data generated after the user performs the page turning operation after a certain time interval, where the time interval between the first operation data and the second operation data received by the first device may be longer. At this time, the relevance between the first operation data and the second operation data is not high, if the second device generates the second operation data for 2 seconds, the second operation data is sent out, and if the second device generates the first operation data for 1 second, the first operation data is sent out, and if the first device receives the first operation data according to the initial time interval, the page turning needs to be carried out after 1 second delay. At this time, a stuck phenomenon may be caused, thereby affecting the experience of the user (for example, when the user browses a web page, the user has already viewed the page displayed this time, and may perform a page turning operation, at this time, the user may have to lag by only one second to perform the page turning operation, and as a result, the user may have to lag by two seconds to perform the page turning operation, thereby causing the stuck phenomenon).
For better understanding, the first operation data and the second operation data are operation data corresponding to two different operation instructions; if the first device lags behind receiving the second operation data due to network fluctuation, but the first device normally receives the first operation data, at this time, if the time interval between the first device executing the first operation data and the second operation data is the same as the initial time interval, the first device will lag behind a period of time to execute when receiving the first operation data. For example, after the user performs an operation for instructing a page turning instruction (at this time, second operation data is generated, and the second operation data is sent to the first device after being delayed due to a network reason), and after a period of time, the user performs an operation for instructing a page quitting instruction (at this time, it can be understood that the first operation data is generated and the first operation data is sent in time), the first device may execute the page quitting instruction after a period of time after executing the page turning instruction, and the use experience of the user may be affected; that is, the stuck phenomenon is easily caused.
It can be seen that, when the received first operation data and the received second operation data do not satisfy the preset association condition, the local timestamp of the first operation data can be directly determined according to the current time, so that a karton phenomenon can be avoided.
In some embodiments, since the first device buffers the operation data sent by the second device, the second operation data may be determined as follows:
in response to the fact that the at least two pieces of operation data sent by the second device are cached, determining the generation time of each piece of operation data according to the initial timestamp of each piece of operation data in the at least two pieces of operation data; and determining second operation data from the at least two operation data according to the determined generation time of each data.
As an example, the first device may buffer the operation data transmitted by the second device, and when the first device buffers at least two operation data, an initial timestamp of each of the at least two operation data may be determined, and the initial timestamp may be used to indicate a generation time of the operation data, and the second operation data may be determined from the at least two operation data according to the generation time. For example, the operation data having a shorter interval time from the first operation data may be determined as the second operation data. For example, if 3 pieces of operation data, operation data a, operation data B, and operation data C are cached, if the initial time interval between the operation data a and the first operation data is longer, and the initial time interval between the operation data B and the operation data C and the first operation data is shorter, any one of the operation data B and the operation data C may be selected as the second operation data.
In some examples, the last received operation data of the at least two operation data may also be determined as the second operation data.
In general, when the second device transmits operation data to the first device, the operation data is transmitted according to the time sequence of generating the operation data, and the operation data that has been received last is understood as the operation data having the shortest initial time interval from the first operation data. The last received operation data is determined to be the second operation data, when the initial time interval between the first operation data and the second operation data is smaller than the preset time threshold, the first operation data and the second operation data are larger and may be operation data generated by a continuous operation, and further, the time interval for executing the first operation data and the time interval for executing the second operation data need to be kept consistent with the initial time intervals of the first operation data and the second operation data, so that errors of the instruction determined according to the operation instruction can be avoided, and meanwhile, the occurrence of a jitter phenomenon can also be avoided.
In some embodiments, in response to determining that the amount of the buffered operation data sent by the second device is not less than the preset amount threshold, the buffered operation data may be updated according to the initial timestamp of the buffered operation data.
Here, in order to reduce the amount of the operation data transmitted by the second device stored by the first device, after the first device determines that a certain amount of operation data transmitted by the second device has been buffered, the buffered operation data may be updated.
As an example, the operation data received in a previous period of time in the at least two buffered operation data may be deleted, and a specific time period of the previous period of time may be set according to a time situation. Thereby reducing the memory occupied by the first device for storing the operation data transmitted by the second device.
In some embodiments, in response to receiving third operation data transmitted by a third device wired to the first device, a third local timestamp of the third operation data is determined according to the current time.
Here, when the third device is in wired connection with the first device, the network status does not affect the efficiency of the third device in transmitting the operation data to the first device, and therefore, the third local timestamp of the third operation data can be directly determined according to the current time.
Generally, there may be an input unit between the processor and the interface of the first device, and the input unit may be used for inputting operation data (the operation data herein is understood as operation data input through other devices connected by the interface). For example, the first device includes a first interface, the third device is connected to the first device through the first interface, at this time, the third operation data is transmitted to the first device through the first interface, and the first device assigns a timestamp to the third operation data through the input unit, and then forwards the third operation data to the processor of the first device for processing. For convenience of understanding, referring to fig. 4, when the other device 401 sends operation data to the first device 402, after the interface 4021 of the second device 402 receives the operation data sent by the other device 401, the interface 4021 sends the operation data to the input unit 4022, and after the input unit 4022 gives a local timestamp to the operation data, the operation data is sent to the processor 4023 for processing.
As an example, the input unit may be a uinput input unit. Referring to fig. 5, fig. 5 is a schematic flow diagram of operation data in the first device, and if the second device is connected to the first device through the first interface 501, the first operation data transmitted by the second device is processed by using the uinput input unit 503 to generate the local timestamp of the first operation data directly according to the current time, and the local timestamp is input to the first device for processing, so that the first device may newly set an input unit (FIFO input unit 502), and the FIFO input unit 502 may determine the first local timestamp for the first operation data according to the manners of steps 102 to 103.
It can be seen that, the FIFO input unit 502 and the uinput input unit 503 are both connected to the interface of the first device, that is, the input data that can be acquired by the uinput input unit 503, and the FIFO input unit 502 can also acquire, only when it is determined that a certain operation data is transmitted by a device connected to the first device by wire, the operation data can be input to the processor 504 of the first device by the uinput input unit 503 for processing, and when a certain operation data is transmitted by a device connected to the first device by wireless, the operation data can be input to the processor 504 of the first device by the FIFO input unit 502 for processing.
It should be noted here that the uinput input unit 503 and the FIFO input unit 502 merely represent that the first device is provided with two input units, and in a specific embodiment, other suitable input units may be selected according to the type of specific input data, and here, the specific model of the input unit is not limited.
As an example, since the uinput input unit 503 can directly determine the local timestamp of the operation data according to the current time, the calculation pressure is small, so that the attribute parameters (parameters such as model, page size, etc.) of the device connected to the interface can also be input through the uinput input unit 503. That is, the FIFO input unit 502 may be used only to determine the local timestamp of the operation data transmitted by the device wirelessly connected to the first device, thereby also reducing the processing pressure of the FIFO input unit 502, and also allowing the FIFO input unit 502 to perform processing quickly.
As an example, since the FIFO input unit 502 may receive operation data, the uinput input unit 503 may also receive operation data, and therefore, in order to further slow down the occupation of the storage space for the first device, the FIFO input unit 502 may update the received operation data after receiving operation data of certain data, for example, only retain the second operation data of the received operation data, and delete other operation data.
In some embodiments, in response to receiving the timestamp modification instruction, a first local timestamp of the first operation data is determined according to a current time.
Although the second device is wirelessly connected with the first device, when the network status is good, the current time can be directly used as the local timestamp of the first operation data, so that the efficiency of determining the local timestamp can be improved, and the operation data can be processed in time.
It can be seen that, when the first device receives operation data transmitted by a third device connected by a wire, it only needs to determine a local timestamp of the operation data according to the current time, when the first device receives the operation data transmitted by the second device, it determines the second operation data sent by the second device, if a time interval between the reception of the second operation data and the reception of the first operation data is not less than a preset time threshold, the local timestamp of the second operation data is determined according to the current time, and if a time interval between the reception of the second operation data and the reception of the first operation data is less than the preset time threshold, the first local timestamp of the first operation data is determined according to an initial time interval between the first operation data and the second operation data. That is, the timestamp determination method may be different for different devices of the incoming operation data, and therefore, different timestamp determination units may be set to respectively execute different timestamp determination logics.
With further reference to fig. 6, as an implementation of the methods shown in the above-mentioned figures, the present disclosure provides an embodiment of a timestamp updating apparatus, which corresponds to the timestamp updating method embodiment shown in fig. 1, and which can be applied in various electronic devices.
As shown in fig. 6, the timestamp updating apparatus of the present embodiment is applied to a first device, and includes: a first determining unit 601, configured to determine, in response to receiving first operation data transmitted by a second device, second operation data that has been transmitted by the second device, where the second device generates the operation data based on an operation of a user, and the first device is wirelessly connected to the second device; a second determining unit 602, configured to determine, in response to determining that the first operation data and the second operation data satisfy a preset association condition, an initial time interval for generating the first operation data and an initial time interval for generating the second operation data according to a first initial time stamp of the first operation data and a second initial time stamp of the second operation data, where the initial time stamps are used for indicating times when the second device generates the operation data; a third determining unit 603, configured to determine a first local timestamp of the first operation data based on a second local timestamp of the second operation data and the initial time interval, where the local timestamp is used to indicate a time when the first device executes the operation data.
In some embodiments, the second determining unit 602 is further specifically configured to: determining that the first operation data and the second operation data meet a preset association condition in the following way: and in response to determining that the time interval between the receiving of the first operation data and the receiving of the second operation data is smaller than a preset time threshold, determining that the first operation data and the second operation data meet a preset association condition.
In some embodiments, the apparatus further includes a fourth determining unit 604, configured to determine, according to a current time, a first local timestamp of the first operation data in response to a time interval between receiving the first operation data and receiving the second operation data being not less than a preset time threshold.
In some embodiments, the first determining unit 601 is further specifically configured to: in response to determining that at least two pieces of operation data sent by the second device have been cached, determining a generation time of each piece of operation data according to an initial timestamp of each piece of operation data in the at least two pieces of operation data; and determining second operation data from the at least two operation data according to the determined generation time of each operation data.
In some embodiments, the first determining unit 601 is further specifically configured to: and determining the operation data received last in the at least two operation data as second operation data.
In some embodiments, the first determining unit 601 is further specifically configured to: and in response to the fact that the number of the buffered operation data sent by the second device is not smaller than a preset number threshold, updating the buffered operation data according to the initial timestamp of the buffered operation data.
In some embodiments, the apparatus further includes a fifth determining unit 605, configured to determine, according to the current time, a third local timestamp of the third operation data in response to receiving the third operation data sent by a third device in wired connection with the first device.
In some embodiments, the apparatus further includes a sixth determining unit 606, configured to determine, in response to receiving the timestamp modification instruction, a first local timestamp of the first operation data according to a current time.
Referring to fig. 7, fig. 7 illustrates an exemplary system architecture to which the timestamp updating method of one embodiment of the present disclosure may be applied.
As shown in fig. 7, the system architecture may include terminal devices 701, 702, 703, a network 704, and a server 705. The network 704 may be the medium used to provide communications links between the terminal devices 701, 702, 703 and the server 705. Network 704 may include various connection types, such as wired, wireless communication links, or fiber optic cables, to name a few.
The terminal devices 701, 702, 703 may interact with a server 705 over a network 704 to receive or send messages or the like. The terminal devices 701, 702, 703 may have various client applications installed thereon, such as a web browser application, a search-type application, and a news-information-type application. The client applications in the terminal devices 701, 702, and 703 may receive the instruction of the user, and complete corresponding functions according to the instruction of the user, for example, add corresponding information to the information according to the instruction of the user.
The terminal devices 701, 702, and 703 may be hardware or software. When the terminal devices 701, 702, and 703 are hardware, they may be various electronic devices having a display screen and supporting web browsing, including but not limited to smart phones, tablet computers, e-book readers, MP3 players (Moving Picture Experts Group Audio Layer III, mpeg compression standard Audio Layer 3), MP4 players (Moving Picture Experts Group Audio Layer IV, mpeg compression standard Audio Layer 4), laptop portable computers, desktop computers, and the like. When the terminal devices 701, 702, and 703 are software, they can be installed in the electronic devices listed above. It may be implemented as multiple pieces of software or software modules (e.g., software or software modules used to provide distributed services) or as a single piece of software or software module. And is not particularly limited herein.
The server 705 may be a server providing various services, for example, receiving an information acquisition request sent by the terminal devices 701, 702, and 703, and acquiring display information corresponding to the information acquisition request in various ways according to the information acquisition request. And the relevant data of the presentation information is sent to the terminal devices 701, 702, 703.
It should be noted that the information processing method provided by the embodiment of the present disclosure may be executed by a terminal device, and accordingly, the timestamp updating apparatus may be disposed in the terminal devices 701, 702, and 703. In addition, the information processing method provided by the embodiment of the present disclosure may also be executed by the server 705, and accordingly, an information processing apparatus may be provided in the server 705.
It should be understood that the number of terminal devices, networks, and servers in fig. 7 is merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for implementation.
Referring now to fig. 8, shown is a schematic diagram of an electronic device (e.g., the terminal device or the server in fig. 7) suitable for use in implementing embodiments of the present disclosure. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. The electronic device shown in fig. 8 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 8, an electronic device may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 801 that may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)802 or a program loaded from a storage means 808 into a Random Access Memory (RAM) 803. In the RAM 803, various programs and data necessary for the operation of the electronic apparatus 800 are also stored. The processing apparatus 801, the ROM802, and the RAM 803 are connected to each other by a bus 804. An input/output (I/O) interface 805 is also connected to bus 804.
Generally, the following devices may be connected to the I/O interface 805: input devices 806 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, or the like; output devices 807 including, for example, a Liquid Crystal Display (LCD), speakers, vibrators, and the like; storage 808 including, for example, magnetic tape, hard disk, etc.; and a communication device 809. The communication means 809 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. While fig. 8 illustrates an electronic device having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer readable medium, the computer program containing program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication means 809, or installed from the storage means 808, or installed from the ROM 802. The computer program, when executed by the processing apparatus 801, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may interconnect with any form or medium of digital data communication (e.g., a communications network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: the method comprises the steps that in response to receiving first operation data transmitted by second equipment, second operation data sent by the second equipment is determined, wherein the second equipment generates the operation data based on user operation, and the first equipment is in wireless connection with the second equipment; in response to determining that the first operation data and the second operation data meet a preset association condition, determining an initial time interval for generating the first operation data and the second operation data according to a first initial time stamp of the first operation data and a second initial time stamp of the second operation data, wherein the initial time stamps are used for indicating the time when the second device generates the operation data; and determining a first local timestamp of the first operation data based on a second local timestamp of the second operation data and the initial time interval, wherein the local timestamp is used for indicating the time when the first device executes the operation data.
Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including but not limited to an object oriented programming language such as Java, Smalltalk, C + +, including conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of a unit does not in some cases constitute a limitation on the unit itself, for example, the first determination unit 601 may also be described as a "unit that determines second operation data transmitted by the second device".
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), Application Specific Integrated Circuits (ASICs), Application Specific Standard Products (ASSPs), systems on a chip (SOCs), Complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and the technical features disclosed in the present disclosure (but not limited to) having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (11)
1. A timestamp updating method applied to a first device comprises the following steps:
in response to receiving first operation data transmitted by second equipment, determining second operation data sent by the second equipment, wherein the second equipment generates operation data based on user operation, and the first equipment is wirelessly connected with the second equipment;
in response to determining that the first operation data and the second operation data meet a preset association condition, determining an initial time interval for generating the first operation data and the second operation data according to a first initial timestamp of the first operation data and a second initial timestamp of the second operation data, wherein the initial timestamps are used for indicating a moment when the second device generates the operation data;
determining a first local timestamp of the first operation data based on a second local timestamp of the second operation data and the initial time interval, wherein the local timestamp is used for indicating a time when the first device executes the operation data.
2. The method of claim 1, wherein the first operation data and the second operation data are determined to satisfy a preset association condition by:
in response to determining that a time interval between the receiving of the first operation data and the receiving of the second operation data is less than a preset time threshold, determining that the first operation data and the second operation data satisfy a preset association condition.
3. The method of claim 1, further comprising:
and determining a first local timestamp of the first operation data according to the current time in response to that the time interval between the receiving of the first operation data and the receiving of the second operation data is not less than a preset time threshold.
4. The method of claim 1, wherein the second operational data is determined by:
in response to determining that at least two pieces of operation data sent by the second device have been cached, determining a generation time of each piece of operation data according to an initial timestamp of each piece of operation data in the at least two pieces of operation data;
and determining second operation data from the at least two operation data according to the determined generation time of each operation data.
5. The method according to claim 4, wherein the determining second operation data from the at least two operation data according to the determined generation time of each operation data comprises:
and determining the operation data received last in the at least two operation data as second operation data.
6. The method of claim 4, further comprising:
and in response to the fact that the number of the operation data sent by the second equipment which is cached is not smaller than a preset number threshold, updating the cached operation data according to the initial timestamp of the cached operation data.
7. The method of claim 1, further comprising:
in response to receiving third operation data sent by a third device in wired connection with the first device, determining a third local timestamp of the third operation data according to the current time.
8. The method of claim 1, further comprising:
in response to receiving a timestamp change instruction, determining a first local timestamp of the first operational data according to a current time.
9. A timestamp updating apparatus applied to a first device, the timestamp updating apparatus comprising:
a first determining unit, configured to determine, in response to receiving first operation data transmitted by a second device, second operation data that has been transmitted by the second device, where the second device generates the operation data based on an operation of a user, and the first device is wirelessly connected to the second device;
a second determining unit, configured to determine, in response to determining that the first operation data and the second operation data satisfy a preset association condition, an initial time interval for generating the first operation data and the second operation data according to a first initial timestamp of the first operation data and a second initial timestamp of the second operation data, where the initial timestamps are used for indicating a time when the second device generates operation data;
a third determining unit, configured to determine a first local timestamp of the first operation data based on a second local timestamp of the second operation data and the initial time interval, where the local timestamp is used to indicate a time when the first device executes the operation data.
10. An electronic device, comprising:
one or more processors;
a storage device to store one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-8.
11. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-8.
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| WO2016041452A1 (en) * | 2014-09-15 | 2016-03-24 | 歌尔声学股份有限公司 | Method for time synchronization between wireless devices, wireless device and wireless communication system |
| CN110456927A (en) * | 2019-08-13 | 2019-11-15 | 腾讯科技（深圳）有限公司 | Operation mapping method, device and the computer equipment of equipment room |
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