CN106331591A - Monitoring image synchronous switching method and device - Google Patents
Monitoring image synchronous switching method and device Download PDFInfo
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Abstract
The invention discloses a monitoring image synchronous switching method and device. The monitoring image synchronous switching method comprises the steps of sending an identifier of a synchronous window to a control client under the condition that a first command of the control client is received, wherein the first command is used for requesting a coding stream of a next scene image, and the synchronous window is a display window for displaying the next scene image; obtaining the coding stream according to the first command; decoding the coding stream, thereby obtaining decoding information; and sending the decoding information to the synchronous window under the condition that a second command from the control client is received, wherein the second command is used for making a request for displaying the next scene image, and the second command comprises the identifier of the synchronous window. According to the method and the device, the technical problem in the prior art that the monitoring image cannot be synchronously switched is solved.
Description
Technical field
The present invention relates to field of video monitoring, in particular to method for synchronously switching and the device of a kind of monitored picture.
Background technology
Fig. 1 is the system diagram carrying out video monitoring in prior art, as it is shown in figure 1, video monitoring system mainly includes
Video wall, decoder/screen controller, control client, front network source (mainly include network monitoring point, numeral
DVR DCV and digital video code DVS) and include the monitoring network of switch.
This kind of video monitoring system, mainly realizes wall on monitored picture by two big kind equipments, and this two big kind equipment includes
Net control device and analog control equipment.Wherein, net control device includes that network decoder, web screen control
Device, character matrix.Analog control equipment includes analog decoder, analog controller, analog matrix.This two kind equipment
As shown in table 1 in the feature of code stream input, code stream decoding and code stream output facet:
Table 1
| Analog control equipment | Net control device | |
| Input | In real time, no-delay, synchronize | Need network to take stream, have time delay, asynchronous |
| Decoding | Nothing | Need decoding |
| Output | No-delay | Almost without time delay |
As can be seen from Table 1, the monitored picture that needs are shown in picture composition mode on video wall, simulation
Control equipment can realize the synchronism switching of monitored picture.And net control device is due to code stream input and code stream decoding
The time delay of aspect, exist cannot synchronism switching monitoring problem.
For above-mentioned problem, effective solution is the most not yet proposed.
Summary of the invention
Embodiments provide method for synchronously switching and the device of a kind of monitored picture, at least to solve prior art
Middle monitored picture cannot the technical problem of synchronism switching.
An aspect according to embodiments of the present invention, it is provided that the method for synchronously switching of a kind of monitored picture, including:
Receive in the case of ordering from control client first, send the mark extremely described control client of synchronous window,
Wherein, described first order is for asking the encoding stream of later scene picture, and described synchronous window is for described in being used for showing
The display window of later scene picture；Described encoding stream is obtained according to described first order；Decode described encoding stream,
To decoded information；And receiving in the case of the second order of described control client, send described decoding
Information is to described synchronous window, and wherein, described second order is used for asking to show described later scene picture, and institute
State the second order and include the mark of described synchronous window.
Further, obtain described encoding stream according to described first order and include: application target resource, wherein, described
Target resource is for obtaining described encoding stream and decoding the resource of described encoding stream；And utilize the described mesh applying for arriving
Mark resource obtains described encoding stream according to described first order.
Further, application target resource includes: judge whether have idle first passage and second channel, wherein,
Described first passage is the passage for obtaining described encoding stream, and described second channel is the passage decoding described encoding stream；
Judge to have the described first passage of free time, and in the case of there is the described second channel of free time, determine the free time
Described first passage and idle described second channel be described target resource；And judging that not there is the free time
Described first passage or in the case of not having the described second channel of free time, release maintains current scene picture to show
Passage, obtains described target resource.
Further, the passage that release maintains current scene picture to show includes: control to show described current scene picture
Current window stop Dynamic Announce.
Further, obtain described encoding stream according to described first order and include: resolve described first order, obtain institute
State the address information of the address representing described later scene picture in the first order；And acquisition has described address information
Code stream, obtain described encoding stream.
Another aspect according to embodiments of the present invention, additionally provides the synchronous switching device of a kind of monitored picture, including:
First Transmit-Receive Unit, for receiving in the case of the first order of control client, sends synchronous window
Mark is to described control client, and wherein, described first order is for asking the encoding stream of later scene picture, described
Synchronous window is the display window for showing described later scene picture；Acquiring unit, for according to described first life
Order obtains described encoding stream；Decoding unit, is used for decoding described encoding stream, obtains decoded information；And second transmitting-receiving
Unit, for receiving in the case of the second order of described control client, sends described decoded information extremely
Described synchronous window, wherein, described second order is used for asking to show described later scene picture, and described second
Order includes the mark of described synchronous window.
Further, described acquiring unit includes: application subelement, is used for applying for target resource, wherein, and described mesh
Mark resource is for obtaining described encoding stream and decoding the resource of described encoding stream；And first obtain subelement, be used for
The described target resource utilizing application to arrive obtains described encoding stream according to described first order.
Further, described application subelement includes: judge module, for judging whether the first passage with the free time
And second channel, wherein, described first passage is the passage for obtaining described encoding stream, and described second channel is for solving
The passage of the described encoding stream of code；Determine module, for judging that described first with the free time leads at described judge module
Road, and in the case of having the described second channel of free time, determines the described first passage and idle described the of free time
Two passages are described target resource；And release module, for judging the institute without the free time at described judge module
In the case of stating first passage or not having idle described second channel, it is logical that release maintenance current scene picture shows
Road, obtains described target resource.
Further, described release module includes: control submodule, for controlling to show described current scene picture
Current window stops Dynamic Announce.
Further, described acquiring unit includes: resolve subelement, is used for resolving described first order, obtains described
First order represents the address information of the address of described later scene picture；And second obtain subelement, be used for obtaining
Take the code stream with described address information, obtain described encoding stream.
In embodiments of the present invention, use and receiving in the case of the first order of control client, send same
The mark of step window is to described control client, and wherein, described first order is for asking the coding of later scene picture
Stream, described synchronous window is the display window for showing described later scene picture；Obtain according to described first order
Described encoding stream；Decode described encoding stream, obtain decoded information；And receiving from described control client
In the case of second order, sending described decoded information extremely described synchronous window, wherein, described second order is for asking
Seek the described later scene picture of display, and described second order includes the mark of described synchronous window.By receiving
In the case of the first order, the identification feedback of synchronous window is given and controls client, and encoding stream is obtained
And decoding, carry out the preparation of display, follow-up in the case of receiving the second order, retransmit decoded information extremely
Synchronous window, so that later scene picture shows on synchronous window simultaneously, this kind is monitored picture synchronization switching
Mode, first carries out relevant treatment and carries out display preparation later scene picture, follow-up after the order receiving request display
The mode shown again, prepares because being ready for display before later scene picture shows, so follow-up carrying out is worked as
During the switching of front scenic picture and later scene picture, will not cause because of the time delay in terms of code stream input and code stream decoding
Later scene picture cannot show simultaneously, has reached to be switched fast the purpose of monitored picture, it is achieved thereby that will prison
Control picture carries out the technique effect of simultaneous display at synchronous window, so solve in prior art monitored picture cannot be with
The technical problem of step switching.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the system diagram carrying out video monitoring in prior art；
Fig. 2 is the hardware environment figure that the method for synchronously switching of monitored picture according to embodiments of the present invention is applied；
Fig. 3 is the flow chart of the method for synchronously switching of monitored picture according to embodiments of the present invention；
Fig. 4 is the flow chart of the method for synchronously switching of monitored picture according to the preferred embodiment of the invention；And
Fig. 5 is the schematic diagram of the synchronous switching device of monitored picture according to embodiments of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment
It is only the embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise, all should belong to
The scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second "
Etc. being for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that and so make
Data can exchange in the appropriate case, in order to embodiments of the invention described herein can be with except here
Order beyond those of diagram or description is implemented.Additionally, term " includes " and " having " and their any deformation,
Be intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system,
Product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clearly listing or
Other step intrinsic for these processes, method, product or equipment or unit.
First, the technical problem involved by the embodiment of the present invention is made description below:
DVR:Digital Video Recorder, Chinese entitled digital hard disc video recorder, it is a set of to carry out image storage
The computer system processed, has the function recorded a video image/voice for a long time, record, remotely monitor and control.
DVS:Digital Video Server, Chinese entitled network video server, is digital video code again, is
A kind of compression, the specialized network transmission equipment of process audio, video data, mainly provide video compress or decompression function,
Complete collection or the recovery etc. of pictorial data.
NVR:Network Video Recorder, Chinese entitled network hard disk video recorder, the topmost function of NVR is
Received the digital video bit stream of IPC (web camera) device transmission by network, and carry out storing, managing, from
And realize the distributed structure/architecture advantage that networking brings.
Video wall: video wall is by a kind of superlarge screen TV wall of multiple TVs (back projection TV) unit spliced
Body, is a kind of image, image-text displaying system.It is considered as one can show from computer VGA signal, many
Plant the huge display screen of video signal.
Synchronous window: require the display picture window of synchronism switching.
Poll group: one group of control point of management in client or platform, current monitor point can be cut after a certain interval
Change to next control point, the circulation gone round and begun again.
According to embodiments of the present invention, it is provided that the embodiment of the method for the method for synchronously switching of a kind of monitored picture, need
Bright, can be in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing
Middle execution, and, although show logical order in flow charts, but in some cases, can be to be different from
The step shown or described by order execution herein.
The method for synchronously switching of the monitored picture that the embodiment of the present invention is provided can apply to the hardware loop shown in Fig. 2
In border, Fig. 3 is the flow chart of the method for synchronously switching of monitored picture according to embodiments of the present invention, below in conjunction with Fig. 2
The method for synchronously switching of the monitored picture provided the embodiment of the present invention with Fig. 3 does concrete introduction:
As it is shown on figure 3, the method for synchronously switching of this monitored picture mainly comprises the steps that S302 is to step S308:
Step S302: receiving in the case of the first order of control client, sending the mark of synchronous window
To controlling client, wherein, the first order is for asking the encoding stream of later scene picture, and synchronous window is for being used for showing
Showing the display window of later scene picture, specifically, when needs are monitored picture switching, controlling client can send out
The order sending the encoding stream of request later scene picture is receiving this order to net control device, net control device
In the case of, the mark of the synchronous window that feedback shows for later scene picture is given and is controlled client, and this mark is permissible
Being the id information of synchronous window, the multiple rear-projection units as a synchronous window have identical ID, such as Fig. 2 institute
Showing, the multiple rear-projection units in synchronous window 1 have an identical ID, the multiple rear-projection units in synchronous window 2
There is another identical ID.
Step S304: obtain encoding stream according to the first order, specifically, mainly by network to video camera, The Cloud Terrace,
The encoding stream of the image frame that the monitoring devices such as DVR or NVR collect obtains.
Step S306: decoding encoding stream, obtains decoded information, specifically, in embodiments of the present invention, can use
Any one carries out the mode of code stream decoding to decode encoding stream, obtains decoded information, ready for follow-up display.
Step S308: receiving in the case of the second order of control client, sends decoded information to synchronizing
Window, wherein, the second order is used for asking to show later scene picture, and the second order includes the mark of synchronous window
Know, i.e. after the order receiving request display later scene picture, be immediately performed simultaneous display operation, will decoding
The decoded information obtained sends to synchronous window, so that later scene picture shows on synchronous window simultaneously.
The method for synchronously switching of the monitored picture that the embodiment of the present invention is provided, by the situation receiving the first order
Under, the identification feedback of synchronous window is given and controls client, and encoding stream is obtained and decodes, carry out display
Preparation, follow-up in the case of receiving the second order, retransmit decoded information to synchronous window so that under
One scenic picture shows on synchronous window simultaneously, and this kind is monitored the mode of picture synchronization switching, first to next field
Scape picture carries out relevant treatment and carries out display and prepare, the follow-up mode that shows again after the order receiving request display, because of
For be ready for before showing at later scene picture display prepare, so follow-up carry out current scene picture and next
During the switching of scenic picture, will not cause the later scene picture cannot because of the time delay in terms of code stream input and code stream decoding
Show simultaneously, reached to be switched fast the purpose of monitored picture, it is achieved thereby that by monitored picture at synchronous window
Carry out the technique effect of simultaneous display, so solve monitored picture in prior art cannot the technical problem of synchronism switching.
Pass through foregoing description, it can be seen that net control device, when realizing large-size screen monitors display function, typically has by net
Network takes stream from control point, front end (including video camera, The Cloud Terrace, DVR/NVR), decoding, upper wall show three processes.
When currently displaying picture is switched to next display picture, need to stop the display of currently displaying picture, then under
One control point takes stream, decoding, shows.Because the control point that each display picture is corresponding is network monitoring point,
So taking the time that stream needs network to transmit, and this time is not consistent, causes one group of synchronous window being switched to
The problem occurring in that picture asynchronous display during next scene.Take stream, decoding is required for certain time simultaneously, according to
Original first stop currently displaying picture, then carry out taking stream, decoding, show the logic of process of next group display picture,
Substantially in can not realizing very short time, one group of synchronous window entirety is switched to next scene by (such as 1 second).
And the method for synchronously switching of the monitored picture that the embodiment of the present invention is provided, carry out current picture at synchronous window
During normal display, take the next scene carrying out synchronous window in advance to take stream, decoding, first carry out the standard of resource
Standby, when taking turn time interval to, receive request display order time, it is possible to accomplish the second as analog matrix
The simulation of level have switched, this kind of method for synchronously switching, and switching even for the taking turn often organizing synchronous window needs necessarily
(giving tacit consent to minimum 5 seconds) situation of time interval, remain able to be switched fast monitored picture, monitored picture existed
Synchronous window carries out simultaneous display.
Fig. 4 is the flow chart of the method for synchronously switching of monitored picture according to the preferred embodiment of the invention, as shown in Figure 4,
In the preferred embodiment, the method for synchronously switching of monitored picture mainly comprises the steps that S401 is to step S411:
S401: the batch controlling the next scene that client sends synchronous window by network to net control device takes
Stream order (that is, the first order).
After S402: net control device is taken stream order by batch, return synchronous window ID.
Specifically, step S401 is identical with above-mentioned steps S302 with step S402.
S403: net control device carries out resource bid, i.e. during obtaining encoding stream, need application to be used for
Obtain encoding stream and decode the target resource of encoding stream, then, utilize application to target resource obtain according to the first order
Take encoding stream.
Specifically, application target resource specifically includes that the first passage and second channel judging whether have the free time, its
In, first passage is the passage for obtaining encoding stream, and second channel is the passage of decoding encoding stream；Provide in judgement
Available free first passage, and in the case of having the second channel of free time, determines the first passage of free time and idle
Second channel is target resource；And judging the first passage without the free time or not there is the second channel of free time
In the case of, release maintains the passage that current scene picture shows, obtains target resource.
That is, judge to have the first passage of free time, and in the case of there is the second channel of free time, determine the free time
First passage and idle second channel be target resource, now perform step S404 and step S405, judging
In the case of the first passage going out not have the free time or the second channel without the free time, release maintains current scene picture
The passage of display, obtains target resource, now performs step S406 to step S409.
S404: net control device, according to the information of the first order, carries out taking flow operation by network to control point, tool
Body ground, mainly resolves the first order, obtains representing in the first order the address information of the address of later scene picture,
Then, obtain the code stream with address information, obtain encoding stream.
S405: after net control device gets code stream, starts decoding, with above-mentioned steps S306.
S406: stop the display of current window, i.e. the current window controlling display current scene picture stops the most aobvious
Show, in order to ensure the aesthetics of display, the last frame image of current scene picture can be retained on video wall, release
Release the channel resource maintaining other multiframe code stream.
S407: the resource being released out.
S408: net control device, according to the information of the first order, carries out taking flow operation by network to control point, tool
Body ground, mainly resolves the first order, obtains representing in the first order the address information of the address of later scene picture,
Then, obtain the code stream with address information, obtain encoding stream.
S409: after net control device gets code stream, starts decoding, with above-mentioned steps S306 and step S405.
S410: control client by network criticizing to the later scene of net control device transmission band synchronous window ID
Amount display command (that is, the second order).
After S411: net control device receives batch display command, carry out the simultaneous display of synchronous window.
Specifically, step S410 is identical with above-mentioned steps S308 with step S411.
The method for synchronously switching of the monitored picture that the embodiment of the present invention is provided, is taking stream resource and is decoding resource abundance
In the case of, directly utilize idling-resource and carry out acquisition and the decoding of code stream, take stream resource and decoding resource without remaining
In the case of, control current window stop Dynamic Announce, and then discharge take stream resource and decoding resource to later scene draw
The encoding stream in face processes, and has reached to ensure the effect that synchronism switching is smoothed out.
The embodiment of the present invention additionally provides the synchronous switching device of a kind of monitored picture, and this synchronous switching device is mainly used in
Perform the method for synchronously switching of the monitored picture that embodiment of the present invention foregoing is provided, below to the embodiment of the present invention
The synchronous switching device sending the monitored picture of offer does concrete introduction.
Fig. 5 is the schematic diagram of the synchronous switching device of monitored picture according to embodiments of the present invention, as it is shown in figure 5, should
The synchronous switching device of monitored picture mainly includes the first Transmit-Receive Unit 10, acquiring unit 20, decoding unit 30 and
Two Transmit-Receive Units 40, wherein:
First Transmit-Receive Unit 10, for receiving in the case of the first order of control client, sends synchronous window
The mark of mouth is to controlling client, and wherein, the first order is for asking the encoding stream of later scene picture, synchronous window
For the display window for showing later scene picture, specifically, when needs are monitored picture switching, control visitor
Family end can send the order first Transmit-Receive Unit 10 to net control device of the encoding stream of request later scene picture, the
One Transmit-Receive Unit 10 is in the case of receiving this order, and feedback is used for the mark of the synchronous window that later scene picture shows
Knowing to controlling client, this mark can be the id information of synchronous window, as multiple rear-projection lists of a synchronous window
Unit has identical ID, as in figure 2 it is shown, the multiple rear-projection units in synchronous window 1 have an identical ID,
Multiple rear-projection units in synchronous window 2 have another identical ID.
Acquiring unit 20 is for obtaining encoding stream according to the first order, specifically, mainly by network to video camera,
The encoding stream of the image frame that the monitoring device such as The Cloud Terrace, DVR or NVR collects obtains.
Decoding unit 30 is used for decoding encoding stream, obtains decoded information, specifically, in embodiments of the present invention, permissible
Use any one to carry out the mode of code stream decoding to decode encoding stream, obtain decoded information, carry out standard for follow-up display
Standby.
Second Transmit-Receive Unit 40, for receiving in the case of the second order of control client, sends decoding letter
Breath is to synchronous window, and wherein, the second order is used for asking to show later scene picture, and the second order includes synchronizing
The mark of window, i.e. after the order receiving request display later scene picture, is immediately performed simultaneous display operation,
Decoded information decoding obtained sends to synchronous window, so that later scene picture shows on synchronous window simultaneously.
The synchronous switching device of the monitored picture that the embodiment of the present invention is provided, by the situation receiving the first order
Under, the identification feedback of synchronous window is given and controls client, and encoding stream is obtained and decodes, carry out display
Preparation, follow-up in the case of receiving the second order, retransmit decoded information to synchronous window so that under
One scenic picture shows on synchronous window simultaneously, and this kind is monitored the mode of picture synchronization switching, first to next field
Scape picture carries out relevant treatment and carries out display and prepare, the follow-up mode that shows again after the order receiving request display, because of
For be ready for before showing at later scene picture display prepare, so follow-up carry out current scene picture and next
During the switching of scenic picture, will not cause the later scene picture cannot because of the time delay in terms of code stream input and code stream decoding
Show simultaneously, reached to be switched fast the purpose of monitored picture, it is achieved thereby that by monitored picture at synchronous window
Carry out the technique effect of simultaneous display, so solve monitored picture in prior art cannot the technical problem of synchronism switching.
Wherein, acquiring unit 20 mainly includes applying for that subelement and first obtains subelement, and this application subelement is used for Shen
Please target resource, wherein, target resource is for obtaining encoding stream and decoding the resource of encoding stream；This first acquisition
The target resource that unit arrives for utilizing application obtains encoding stream according to the first order.
Further, application subelement includes judge module, determines module and release module, wherein, it is judged that module is used
In judging whether have idle first passage and second channel, wherein, first passage is for obtaining the logical of encoding stream
Road, second channel is the passage of decoding encoding stream；Determine that module is for judging have the first of the free time at judge module
Passage, and in the case of there is the second channel of free time, determine that the first passage of free time and idle second channel are mesh
Mark resource；Release module is for judging the first passage without the free time at judge module or not having the second of the free time
In the case of passage, release maintains the passage that current scene picture shows, obtains target resource.Wherein, release maintains
The passage that current scene picture shows, obtains target resource mainly by the control submodule control included by release module
The current window of system display current scene picture stops Dynamic Announce, in order to ensure the aesthetics of display, and can be at TV
Retain the last frame image of current scene picture on wall, discharge the channel resource maintaining other multiframe code stream.
Additionally, acquiring unit 20 also includes that resolving subelement and second obtains subelement, compiles obtaining according to the first order
During code stream, first by resolving subelement parsing the first order, obtain the first order represents the ground of later scene picture
The address information of location；Then obtained subelement acquisition by second and there is the code stream of address information, obtain encoding stream.
The synchronous switching device of the monitored picture that the embodiment of the present invention is provided, is taking stream resource and is decoding resource abundance
In the case of, directly utilize idling-resource and carry out acquisition and the decoding of code stream, take stream resource and decoding resource without remaining
In the case of, control current window stop Dynamic Announce, and then discharge take stream resource and decoding resource to later scene draw
The encoding stream in face processes, and has reached to ensure the effect that synchronism switching is smoothed out.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part described in detail, may refer to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be passed through other
Mode realize.Wherein, device embodiment described above is only schematically, the division of the most described unit,
Can be that a kind of logic function divides, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, institute
The coupling each other shown or discuss or direct-coupling or communication connection can be by some interfaces, unit or mould
The INDIRECT COUPLING of block or communication connection, can be being electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to
On multiple unit.Some or all of unit therein can be selected according to the actual needs to realize the present embodiment scheme
Purpose.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme
Completely or partially can producing with software of the part that the most in other words prior art contributed or this technical scheme
The form of product embodies, and this computer software product is stored in a storage medium, including some instructions in order to make
Obtain a computer equipment (can be personal computer, server or the network equipment etc.) and perform each enforcement of the present invention
All or part of step of method described in example.And aforesaid storage medium includes: USB flash disk, read only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive,
The various medium that can store program code such as magnetic disc or CD.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improve and profit
Decorations also should be regarded as protection scope of the present invention.
Claims (10)
1. the method for synchronously switching of a monitored picture, it is characterised in that including:
Receiving in the case of the first order of control client, sending the mark of synchronous window to the most described
Controlling client, wherein, described first order is for asking the encoding stream of later scene picture, described synchronous window
Mouth is the display window for showing described later scene picture；
Described encoding stream is obtained according to described first order；
Decode described encoding stream, obtain decoded information；And
Receiving in the case of the second order of described control client, sending described decoded information to institute
Stating synchronous window, wherein, described second order is used for asking to show described later scene picture, and described the
Two orders include the mark of described synchronous window.
Method the most according to claim 1, it is characterised in that obtain described encoding stream bag according to described first order
Include:
Application target resource, wherein, described target resource is for being used for obtaining described encoding stream and decoding described coding
The resource of stream；And
The described target resource utilizing application to arrive obtains described encoding stream according to described first order.
Method the most according to claim 2, it is characterised in that application target resource includes:
Judging whether first passage and the second channel with the free time, wherein, described first passage is for being used for obtaining
The passage of described encoding stream, described second channel is the passage decoding described encoding stream；
Judging to have the described first passage of free time, and in the case of there is the described second channel of free time,
Determine that the described first passage of free time is described target resource with the described second channel of free time；And
Judging the described first passage without the free time or not there is the situation of idle described second channel
Under, release maintains the passage that current scene picture shows, obtains described target resource.
Method the most according to claim 3, it is characterised in that release maintains the passage bag that current scene picture shows
Include:
Control to show that the current window of described current scene picture stops Dynamic Announce.
Method the most according to any one of claim 1 to 4, it is characterised in that obtain according to described first order
Described encoding stream includes:
Resolve described first order, obtain described first order represents the ground of the address of described later scene picture
Location information；And
Obtain the code stream with described address information, obtain described encoding stream.
6. the synchronous switching device of a monitored picture, it is characterised in that including:
First Transmit-Receive Unit, for receiving in the case of the first order of control client, sends same
The mark of step window is to described control client, and wherein, described first order is for asking later scene picture
Encoding stream, described synchronous window is the display window for showing described later scene picture；
Acquiring unit, for obtaining described encoding stream according to described first order；
Decoding unit, is used for decoding described encoding stream, obtains decoded information；And
Second Transmit-Receive Unit, for receiving in the case of the second order of described control client, sends out
Sending described decoded information to described synchronous window, wherein, described second order is used for asking display next field described
Scape picture, and described second order includes the mark of described synchronous window.
Device the most according to claim 6, it is characterised in that described acquiring unit includes:
Application subelement, is used for applying for target resource, wherein, described target resource is for being used for obtaining described coding
Flow and decode the resource of described encoding stream；And
First obtains subelement, obtains institute for the described target resource utilizing application to arrive according to described first order
State encoding stream.
Device the most according to claim 7, it is characterised in that described application subelement includes:
Judge module, for judging whether first passage and the second channel with the free time, wherein, described first
Passage is the passage for obtaining described encoding stream, and described second channel is the passage decoding described encoding stream；
Determine module, for judging the described first passage with the free time at described judge module, and there is sky
In the case of not busy described second channel, determine that the described first passage of free time and idle described second channel are
Described target resource；And
Release module, for judging do not have the described first passage of free time or do not have at described judge module
In the case of idle described second channel, release maintains the passage that current scene picture shows, obtains described mesh
Mark resource.
Device the most according to claim 8, it is characterised in that described release module includes:
Control submodule, for controlling to show that the current window of described current scene picture stops Dynamic Announce.
10. according to the device according to any one of claim 6 to 9, it is characterised in that described acquiring unit includes:
Resolve subelement, be used for resolving described first order, obtain described first order represents next field described
The address information of the address of scape picture；And
Second obtains subelement, for obtaining the code stream with described address information, obtains described encoding stream.
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| CN113329054A (en) * | 2021-04-27 | 2021-08-31 | 杭州壹悟科技有限公司 | Equipment monitoring animation display optimization method and device |
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