CN105426150B - A kind of multimedia messages playback method and device - Google Patents
A kind of multimedia messages playback method and device Download PDFInfo
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- CN105426150B CN105426150B CN201510847876.4A CN201510847876A CN105426150B CN 105426150 B CN105426150 B CN 105426150B CN 201510847876 A CN201510847876 A CN 201510847876A CN 105426150 B CN105426150 B CN 105426150B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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Abstract
The embodiment of the invention discloses a kind of multimedia messages playback method and devices, are related to image display arts, to reduce operation complexity of the display in access to information source, and then improve the intelligence and automation of display.In embodiments of the present invention, each I/O channel in display is detected periodically, obtains the number of currently playable multimedia information source；According to the number of the multimedia information source, according to preset rules, the multi-media signal that dynamically selected part or whole multimedia information sources provide plays corresponding multimedia messages by the different display windows on the display interfaces；To solve the above problem.
Description
Technical field
The present invention relates to image display arts more particularly to a kind of multimedia messages playback methods and device.
Background technology
Display (Display) is also generally referred to as monitor, is to belong to I/O equipment, i.e. input-output equipment.With system
The rapid development of technique and associated picture display technology is made, display has been applied to as important image output device various
In field.
Medical display is the display of high-resolution, high brightness used by medical industry.Doctor in the course of surgery,
It generally requires to check various information, such as：It checks the operation video frequency of different angle, while checking the texts such as patient cases and X
Mating plate etc. diagnoses picture.
In order to enable medical display to show the various information needed for doctor simultaneously, multiwindow is used in the prior art
The displaying scheme of pattern：First, the number N for the window for needing to show is selected by user；Then, present convergence is selected by user
Window；Also, by the information source shown by user's selective focus window；In this way, it is necessary to which user is directed to N number of window, gathers one by one
Coke simultaneously selects corresponding information source.
As it can be seen that this mode in the prior art is comparatively laborious, for medical display, if doctor is in hand
It during art, needs to check other information, then needs to waste the content gone out shown by plenty of time operation display.
Invention content
A kind of multimedia messages playback method of offer of the embodiment of the present invention and device, to reduce display in access information
Operation complexity when source, and then improve the intelligence and automation of display.
The embodiment of the present invention provides a kind of multimedia messages playback method, and this method includes：
Each I/O channel in display is detected periodically, obtains of currently playable multimedia information source
Number；
According to the number of the multimedia information source, according to preset rules, dynamically selected part or whole multimedias are believed
The multi-media signal that breath source provides plays corresponding multimedia messages by the different display windows on the display interfaces.
The embodiment of the present invention also provides a kind of multimedia messages playing device, which includes：
Detection unit obtains currently playable more matchmakers for detecting each I/O channel in display periodically
The number of body information source；
Display unit, for according to the number of the multimedia information source, according to preset rules, dynamically selected part or
The multi-media signal that whole multimedia information sources provide is played corresponding by the different display windows on the display interfaces
Multimedia messages.
It can be seen from the above technical proposal that the embodiment of the present invention carries out information source selection without user, system can be certainly
Dynamic identification is currently accessed the playable multimedia information source of display, and records the playable multimedia messages accessed
Source number, then, the multimedia information source number that the embodiment of the present invention can play dynamically selects some or all of
The multi-media signal that multimedia information source provides, also, it is corresponding more by the different display windows broadcasting on display interfaces
Media information；As it can be seen that the embodiment of the present invention, which does not need user, carries out any operation, you can complete multiwindow mode playback multimedia
Information to simplify user's operation complexity, and improves the intelligence and automation for improving display, realizes display
The scheme of information source automatically selected with automatically playing multimedia information in device
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of flow diagram of signal display method provided in an embodiment of the present invention；
Fig. 2 (a) is the schematic diagram of pre-set two windows provided in an embodiment of the present invention；
Fig. 2 (b) is the schematic diagram of pre-set four windows provided in an embodiment of the present invention；
Fig. 3 is provided in an embodiment of the present invention to carry out playable multimedia messages identifing source and more using state machine mechanism
The flow diagram for the scheme that window is shown；
Fig. 4 is a kind of structural schematic diagram of multimedia messages playing device provided in an embodiment of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention can be applied in various types of displays and display equipment, and the embodiment of the present invention especially may be used
With suitable for medical display, medical display and in the various displays for needing progress windows display.
Current display or tv product, when user selection shown with multiwindow pattern when, need by with
Family executes the operation of selection information source and switch window.
Fig. 1 shows a kind of flow diagram of signal display method provided in an embodiment of the present invention, as shown in Figure 1, should
Flow may include：
Step 11：Each I/O channel in display is detected periodically, obtains currently playable multimedia messages
The number in source.
Step 12：According to the number of above-mentioned multimedia information source, according to preset rules, dynamically selected part or whole are more
The multi-media signal that media information source provides plays corresponding multimedia by the different display windows on aforementioned display device interface
Information.
Optionally, in above-mentioned steps 12, judge whether the number of currently playable multimedia information source is more than default
Number threshold value chooses the multi-media signal that currently playable whole multimedia information sources provide, and press if be less than
It is laid out, plays respectively corresponding more according to the preset window corresponding to the number of currently playable whole multimedia information sources
Media information；If currently the number of playable multi-media signal is more than above-mentioned predetermined number threshold value, according to preset signals
Selection rule is selected the multi-media signal provided with the multimedia information source of above-mentioned predetermined number threshold value same number, and is pressed
It is laid out according to the preset window corresponding to above-mentioned predetermined number threshold value, plays corresponding multimedia messages respectively.
Optionally, in above-mentioned steps 12, according to currently playable multimedia information source access aforementioned display device when
Between sequence, the multi-media signal provided with the multimedia information source of above-mentioned predetermined number threshold value same number is provided；Alternatively, pressing
According to pre-set priority, the multi-media signal provided with the multimedia information source of above-mentioned predetermined number threshold value same number is selected.
Optionally, in above-mentioned steps 11, every prefixed time interval, each input obtained in aforementioned display device respectively is defeated
Go out the break-make situation of the universal input output GPIO pins in channel；If above-mentioned GPIO pins are channel status, further sentence
It whether there is row-field scanning signal in the signal that the open close mistake channel is inputted, if it is, more matchmakers will be provided by the channel
The information source of body signal is determined as the multimedia information source that currently can play；Otherwise, ignore the signal inputted by the channel；
If above-mentioned GPIO pins are off state, the channel is detected again in next detection cycle.
Optionally, in above-mentioned steps, above-mentioned state machine is under init state, according to pre-set port mapping
Table determines the current channel to be detected in aforementioned display device, also, above-mentioned state machine entering signal line accesses detecting state；
Above-mentioned state machine obtains the break-make situation of the GPIO pins in above-mentioned current channel to be detected in the case where signal wire accesses detecting state,
And judge whether the GPIO pins in above-mentioned current channel to be detected are channel status, if it is, above-mentioned state machine enters port
Switching state；Otherwise, according to above-mentioned port mapping table, next channel to be detected in aforementioned display device is determined, also, on
State machine is stated to remain under signal wire access detecting state；Above-mentioned state machine is under the switching state of port, using timer,
Calculating above-mentioned state machine, this is switched to the residence time after the switching state of port, reaches preset time threshold when the above-mentioned residence time
When value, above-mentioned state machine entering signal detecting state；Otherwise, above-mentioned state machine remains under the switching state of port；It is above-mentioned
State machine judges to whether there is row-field scanning in the signal by above-mentioned current channel input to be detected under signal detection state
Signal currently can play if it is, the information source for providing multi-media signal by above-mentioned current channel to be detected be used as
Multimedia information source, and the counter for recording currently playable multimedia information source number is added 1, and further judge
Whether all channels in aforementioned display device have completed after testing, if it is, above-mentioned state machine enters window setting state；It is no
Then, according to above-mentioned port mapping table, determine next channel to be detected in aforementioned display device, also, above-mentioned state machine into
Enter signal wire access detecting state；Above-mentioned state machine under window setting state, numerical value that above-mentioned counter is recorded as
The currently number of playable multimedia information source, also, above-mentioned state machine enters init state, while above-mentioned counter is clear
Zero；Wherein, the detection ordering of each I/O channel of aforementioned display device is previously provided in above-mentioned port mapping table.
The embodiment of the present invention is described in detail below.
In order to enable display automatically to select that information source to be shown and automatic switch window, the present invention is needed to implement
Example provides a kind of displaying scheme of multiwindow.In interaction UI (User Interface, user interface), carried out without user
The operation of information source and switch window is selected, therefore can also no longer need to provide to the user information source selection function, but by
The signal of display automatic identification access.
In embodiments of the present invention, the mode of the signal accessed by display automatic identification can be specially：
First, GPIO pins (the General Purpose of each I/O channel in continuous cyclic query display
Input Output, universal input/output, alternatively referred to as bus extender).
Secondly, judge whether each channel has signal wire connection.
When specific implementation, the embodiment of the present invention can be by judging the break-make situations of the GPIO pins in each channel, to judge
Whether the GPIO pins in each channel have signal wire connection.If GPIO pins are access, then it is assumed that there is signal wire in the channel at this time
Connection；If GPIO pins are open circuit, then it is assumed that the channel does not have signal wire connection at this time.
Then, for the channel for thering is signal wire to connect, further judge the signal inputted by the channel whether be can
The information source (the playable multimedia information source i.e. in the embodiment of the present invention) shown by display.
When specific implementation, the embodiment of the present invention can be by whether there is row-field scanning in the signal that is inputted by the channel
Data, to judge whether the signal that the channel is inputted is that can play multimedia information source.Since row-field scanning data are for leading to
Cross control electron beam in the horizontal direction from left to right with vertical direction from top to bottom it is regular movement formed grating signal,
The scanning of horizontal direction is scanned row, and the scanning of vertical direction is collectively referred to as " row-field scanning " field scan.Therefore, if the signal
In there are row-field scanning data, it is believed that the signal be TV signal or picture signal, can also be played back by display.
Therefore, if there is row-field scanning data, then it is assumed that the signal that the channel is inputted is that can play multimedia information source；If no
There are row-field scanning data, then it is assumed that the signal that the channel is inputted can not be shown device and be played, and not can play more matchmakers as
Body information source, for not can play multimedia information source, the embodiment of the present invention can ignore the signal.
In this way, after channel whole in cyclic query display, it is able to record to obtain all playable multimedia letters
The number in breath source.
It, can be at interval of prefixed time interval, in cyclic query display it should be noted that in embodiments of the present invention
Each channel, and after cyclic query operation, record of whole playable multimedia information sources at current time
Number.In this way, the embodiment of the present invention can obtain the playable multimedia information source newly accessed in time, carried out voluntarily without user
Setting, to improve automation and intelligence of the display under windows display pattern.
Further, the embodiment of the present invention all playable multimedia information sources for getting current time number it
Afterwards, can calling the pre-set API for showing multiwindow, (Application Programming Interface, are answered
With Program Interfaces) all or part of playable multimedia information source is shown to the different display windows on display interfaces
In mouthful.
When specific implementation, the embodiment of the present invention can pre-set the playable multimedia letter for being useful for showing different numbers
The window layout in breath source.
For example, Fig. 2 (a) shows the schematic diagram of pre-set two windows provided in an embodiment of the present invention, such as
Shown in Fig. 2 (a), when the current number that can play multimedia information source is two, the embodiment of the present invention can call window
The window layout that number is two, for showing current playable multimedia information source.With continued reference to Fig. 2 (a), wherein will display
The display area of device is divided into two regions, and the region on the left side is the regions L0, and the region on the right is the regions R0, is implemented in the present invention
The regions L0 and the regions R0 can be set to the region of same size in example, to ensure the clarity and display effect of display.Its
In, the regions L0 are displayed for Combo 0, and the regions R0 are displayed for Combo 1.
For example, Fig. 2 (b) shows the schematic diagram of pre-set four windows provided in an embodiment of the present invention, such as
Shown in Fig. 2 (b), when the current number that can play multimedia information source is four, the embodiment of the present invention can call window
The window layout that number is four, for showing current playable multimedia information source.With continued reference to Fig. 2 (b), wherein will display
The display area of device is divided into four regions, and the region on upper left side is the regions L0, and the region of left lower side is the regions L1, top right-hand side
Region is the regions R0, and the region on bottom right side is the regions R1, in embodiments of the present invention can be all provided with the region L0, L1, R0 and R1
It is set to the region of same size, to ensure the clarity and display effect of display.Wherein, the regions L0 are displayed for Combo
0, L1 region is displayed for Combo 1, and the regions RO are displayed for ADC (Analog-digital Converter), and the regions R1 can be used
In display Combo 2.
It should be noted that only being lifted by taking two window layouts and four window layouts as an example in embodiments of the present invention
Example explanation, in practical applications, can pre-set the window layout of different numbers, such as three window layouts and eight windows
Layout etc., no longer repeats one by one here.
In embodiments of the present invention, according to hardware chip scheme reason, our current products could support up four windows at present
Mouth shows that, when playable multimedia information source number is more than 4, the embodiment of the present invention can be excellent according to what is formulated in advance simultaneously
First grade strategy, in the playable multimedia information source recognized, four signals for picking out highest priority are shown；Or
Person, the time sequencing that the embodiment of the present invention can also be accessed according to playable multimedia information source can play what is recognized
In multimedia information source, picks out four signals for accessing or finally accessing at first and show.Certainly, the embodiment of the present invention is only with four
It is illustrated for a window, according to the difference of hardware chip, predetermined number threshold value can also be set to other numerical value, here
No longer repeat one by one.
In this way, the embodiment of the present invention can automatically identify the playable multimedia information source of access using aforesaid way,
And shown all or part of playable multimedia information source using pre-set window layout, so as to complete more
The automatic displaying scheme of window, so improve display in terms of specific use (such as medical application, display) from
Dynamicization and intelligence, and user's operation can be simplified, further improve the experience of user.
Further, the embodiment of the present invention additionally provide it is a kind of using state machine mechanism carry out can play multimedia information source
The scheme of identification and windows display.In embodiments of the present invention, state machine mechanism may be used, several states are respectively：
Init state, signal wire access detecting state, port switching state, signal detection state, and state is arranged in window, totally 5 shapes
State, system constantly recycles in this five states, by judging signal come switching state.
Fig. 3 show it is provided in an embodiment of the present invention using state machine mechanism carry out can play multimedia messages identifing source with
And the flow diagram of the scheme of windows display, as shown in figure 3, the flow may include：
Step 301：State machine acquiescence enters init state.
Step 302：Judge whether state machine is in init state, if so, thening follow the steps 303；Otherwise, step is executed
Rapid 304.
Step 303：According to pre-stored port mapping table, the port to be detected (port) of display is inquired, also,
State machine is switched to signal access detecting state.
It should be noted that after executing step 303, do not continue to execute step 304, but enter major cycle, i.e.,
Judge again state machine be presently in state.
Step 304：State machine is judged whether in signal access detecting state, if so, thening follow the steps 305；Otherwise,
Execute step 308.
Step 305：Judge whether the signal of current port to be detected has accessed, if so, thening follow the steps 306；Otherwise,
Execute step 307.
Step 306：State machine is switched to port switching state.
It should be noted that after step 306 is performed, not continuing to execute step 307, but enter major cycle, i.e.,
Judge again state machine be presently in state.
Step 307：According to pre-stored port mapping table, next port to be detected is found.Also, state machine after
It is continuous to rest on signal access detecting state.
It should be noted that after executing step 307, do not continue to execute step 308, but enter major cycle, i.e.,
Judge again state machine be presently in state.
Step 308：Judge whether state machine is in port switching state, if so, thening follow the steps 309；Otherwise, it executes
Step 310.
Step 309：Using timer, calculating state machine, this is switched to the residence time after the switching state of port, works as shape
When this residence time of state machine reaches 500ms (millisecond), state machine is switched to signal detection state.
It should be noted that after executing step 309, do not continue to execute step 310, but enter major cycle, i.e.,
Judge again state machine be presently in state.
Step 310：Judge whether state machine is in signal detection state, if so, thening follow the steps 311；Otherwise, it executes
Step 314.
Step 311：Judge whether all channels of display are detected to finish, if not, thening follow the steps 312；Otherwise, it holds
Row step 313.
Step 312：According to pre-set port mapping table, next channel to be detected is selected, also, state machine switches
Detecting state is accessed to signal.
It should be noted that after executing step 312, do not continue to execute step 313, but enter major cycle, i.e.,
Judge again state machine be presently in state.
Step 313：Using counter, the number of all playable multimedia information sources is recorded, also, state machine is switched to
State is arranged in window.
It should be noted that after executing step 313, do not continue to execute step 314, but enter major cycle, i.e.,
Judge again state machine be presently in state.
Step 314：State machine is judged whether in window setting state, if so, thening follow the steps 315；Otherwise, it executes
Step 316.
Step 315：According to the playable multimedia information source number under counter records, corresponding advance window cloth is called
Office is arranged multiwindow and carries out multiwindow broadcasting using the signal of input.
It should be noted that after setting multiwindow and using the signal of input progress windows display, counter is clear
Zero.
Step 316：State machine is switched to init state.
It should be noted that in state machine mechanism provided in an embodiment of the present invention, state can be judged in major cycle
The state that machine is presently in, state here can be a mark, rather than be operated, and all operations are all judged as YES
When, it is realized by specific steps；When state is no, into next condition adjudgement.
It should be noted that in embodiments of the present invention, it can be by the equipment conduct such as computer, tablet computer, smart mobile phone
Multimedia information source provides multimedia messages for display.Meanwhile the multimedia information source in the embodiment of the present invention includes not only
Video flowing, can also include the pictorial information provided by equipment such as computer, tablet computer, smart mobile phones, text message etc., this
In no longer illustrate one by one.
It can be seen from the above technical proposal that the embodiment of the present invention carries out information source selection without user, system can be certainly
Dynamic identification is currently accessed the playable multimedia information source of display, and records the playable multimedia messages accessed
Source number, then, the multimedia information source number that the embodiment of the present invention can play dynamically selects some or all of
The multi-media signal that multimedia information source provides, also, it is corresponding more by the different display windows broadcasting on display interfaces
Media information；As it can be seen that the embodiment of the present invention, which does not need user, carries out any operation, you can complete multiwindow mode playback multimedia
Information to simplify user's operation complexity, and improves the intelligence and automation for improving display, realizes display
The scheme of information source automatically selected with automatically playing multimedia information in device
Based on the same technical idea, the embodiment of the present invention additionally provides a kind of multimedia messages playing device, and Fig. 4 is shown
A kind of structural schematic diagram of multimedia messages playing device provided in an embodiment of the present invention, as shown in figure 4, the device can wrap
It includes：
Detection unit 41, for detecting each I/O channel in display periodically, acquisition currently can play more
The number in media information source；
Display unit 42, for according to the number of the multimedia information source, according to preset rules, dynamically selected part
Or the multi-media signal that whole multimedia information sources provide, it is played and is corresponded to by the different display windows on the display interfaces
Multimedia messages.
Optionally, the display unit 42 is specifically used for：
Judge whether the number of currently playable multimedia information source is more than predetermined number threshold value, if be less than,
Choose the multi-media signal that currently playable whole multimedia information sources provide, and according to it is currently playable whole
Preset window layout corresponding to the number of multimedia information source, plays corresponding multimedia messages respectively；If can currently broadcast
The number for the multi-media signal put be more than the predetermined number threshold value, then according to preset signals selection rule, select with it is described
The multi-media signal that the multimedia information source of predetermined number threshold value same number provides, and according to the predetermined number threshold value institute
Corresponding preset window layout, plays corresponding multimedia messages respectively.
Optionally, the display unit 42 is specifically used for：
The time sequencing that the display is accessed according to currently playable multimedia information source is selected and is preset with described
The multi-media signal that the multimedia information source of number threshold value same number provides；Alternatively, according to pre-set priority, select and institute
State the multi-media signal that the multimedia information source of predetermined number threshold value same number provides.
Optionally, the detection unit 41 is specifically used for：
Every prefixed time interval, the universal input output of each I/O channel in the display is obtained respectively
The break-make situation of GPIO pins；If the GPIO pins are channel status, further judge to pass through what the channel was inputted
It whether there is row-field scanning signal in signal, if it is, the information source for providing multi-media signal by the channel is determined as
Currently playable multimedia information source；Otherwise, ignore the signal inputted by the channel；If the GPIO pins are disconnected
Line state then detects the channel again in next detection cycle.
Optionally, the detection process in each channel is realized by following state machine：
The state machine, according to pre-set port mapping table, is determined in the display under init state
Current channel to be detected, also, the state machine entering signal line access detecting state；
The state machine obtains the logical of the GPIO pins in the current channel to be detected in the case where signal wire accesses detecting state
Disconnected situation, and judge whether the GPIO pins in the current channel to be detected are channel status, if it is, the state machine into
Inbound port switching state；Otherwise, according to the port mapping table, next channel to be detected in the display is determined,
Also, the state machine remains under signal wire access detecting state；
The state machine is under the switching state of port, and using timer, calculating the state machine, this is switched to port and cuts
The residence time after state is changed, when the residence time reaching preset time threshold, the state machine entering signal detects shape
State；Otherwise, the state machine remains under the switching state of port；
The state machine under signal detection state, judge in the signal by the current channel input to be detected whether
There are row-field scanning signals, if it is, the information source for providing multi-media signal by the current channel to be detected is used as
Currently playable multimedia information source, and the counter for recording currently playable multimedia information source number is added 1,
And further judge whether all channels in the display have completed after testing, if it is, the state machine enters window
Mouth setting state；Otherwise, according to the port mapping table, next channel to be detected in the display is determined, also,
The state machine entering signal line accesses detecting state；
For the state machine under window setting state, the numerical value that the counter is recorded is more as what currently be can play
The number in media information source, also, the state machine enters init state, while the counter O reset；
Wherein, the detection ordering of each I/O channel of the display is previously provided in the port mapping table.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices so that
A stream in flow chart can be achieved in the instruction executed by the computer or the processor of other programmable data processing devices
The function of being specified in journey or multiple flows and/or one box of block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in a flow of flow chart or multiple flows and/or block diagram
A box or multiple boxes in specify function the step of.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of multimedia messages playback method, which is characterized in that this method includes：
Each I/O channel in display is detected periodically, obtains the number of currently playable multimedia information source；
Judge whether the number is more than predetermined number threshold value；
If it is not, then choose the multi-media signal that currently playable whole multimedia information sources provide, and according to currently may be used
Preset window layout corresponding to the number of whole multimedia information sources of broadcasting, plays corresponding multimedia messages respectively；
If so, according to preset signals selection rule, the multimedia messages with the predetermined number threshold value same number are selected
The multi-media signal that source provides, and be laid out according to the preset window corresponding to the predetermined number threshold value, it plays correspond to respectively
Multimedia messages.
2. the method as described in claim 1, which is characterized in that it is described according to preset signals selection rule, select with it is described
The multi-media signal that the multimedia information source of predetermined number threshold value same number provides, specifically includes：
The time sequencing that the display is accessed according to currently playable multimedia information source, is selected and the predetermined number
The multi-media signal that the multimedia information source of threshold value same number provides；Alternatively,
According to pre-set priority, the multimedia provided with the multimedia information source of the predetermined number threshold value same number is selected
Signal.
3. the method as described in any one of claim 1-2, which is characterized in that it is logical to be achieved by the steps of each input and output
The cycle detection process in road：
Every prefixed time interval, the universal input output GPIO pipes of each I/O channel in the display are obtained respectively
The break-make situation of foot；
If the GPIO pins are channel status, further judge in the signal inputted by the channel with the presence or absence of row
Field scan signal, if it is, more matchmakers that the information source for providing multi-media signal by the channel is determined as currently can play
Body information source；Otherwise, ignore the signal inputted by the channel；
If the GPIO pins are off state, the channel is detected again in next detection cycle.
4. method as claimed in claim 3, which is characterized in that realize the detection process in each channel by following state machine：
The state machine, according to pre-set port mapping table, determines working as in the display under init state
Preceding channel to be detected, also, the state machine entering signal line accesses detecting state；
The state machine obtains the break-make feelings of the GPIO pins in the current channel to be detected in the case where signal wire accesses detecting state
Condition, and judge whether the GPIO pins in the current channel to be detected are channel status, if it is, the state machine upstream end
Mouth switching state；Otherwise, according to the port mapping table, next channel to be detected in the display is determined, also,
The state machine remains under signal wire access detecting state；
The state machine is under the switching state of port, and using timer, calculating the state machine, this is switched to port switching shape
Residence time after state, when the residence time reaching preset time threshold, the state machine entering signal detecting state；It is no
Then, the state machine remains under the switching state of port；
The state machine judges to whether there is in the signal by the current channel input to be detected under signal detection state
Row-field scanning signal, if it is, the information source for providing multi-media signal by the current channel to be detected is used as currently
Playable multimedia information source, and the counter for recording currently playable multimedia information source number is added 1, it goes forward side by side
One step judges whether all channels in the display have completed after testing, is set if it is, the state machine enters window
Set state；Otherwise, according to the port mapping table, next channel to be detected in the display is determined, also, described
State machine entering signal line accesses detecting state；
The state machine is under window setting state, and the numerical value that the counter is recorded is as currently playable multimedia
The number of information source, also, the state machine enters init state, while the counter O reset；
Wherein, the detection ordering of each I/O channel of the display is previously provided in the port mapping table.
5. a kind of multimedia messages playing device, which is characterized in that the device includes：
Detection unit obtains currently playable multimedia letter for detecting each I/O channel in display periodically
The number in breath source；
Display unit, for judging whether the number is more than predetermined number threshold value；If it is not, then choosing currently playable whole
The multi-media signal that provides of multimedia information source, and according to the number institute with currently playable whole multimedia information sources
Corresponding preset window layout, plays corresponding multimedia messages respectively；If so, according to preset signals selection rule, selection
The multi-media signal provided with the multimedia information source of the predetermined number threshold value same number is provided, and according to described default
Preset window layout corresponding to number threshold value, plays corresponding multimedia messages respectively.
6. device as claimed in claim 5, which is characterized in that the display unit is specifically used for：
The time sequencing that the display is accessed according to currently playable multimedia information source, is selected and the predetermined number
The multi-media signal that the multimedia information source of threshold value same number provides；Alternatively,
According to pre-set priority, the multimedia provided with the multimedia information source of the predetermined number threshold value same number is selected
Signal.
7. the device as described in any one of claim 5-6, which is characterized in that the detection unit is specifically used for：
Every prefixed time interval, the universal input output GPIO pipes of each I/O channel in the display are obtained respectively
The break-make situation of foot；
If the GPIO pins are channel status, further judge in the signal inputted by the channel with the presence or absence of row
Field scan signal, if it is, more matchmakers that the information source for providing multi-media signal by the channel is determined as currently can play
Body information source；Otherwise, ignore the signal inputted by the channel；
If the GPIO pins are off state, the channel is detected again in next detection cycle.
8. device as claimed in claim 7, which is characterized in that realize the detection process in each channel by following state machine：
The state machine, according to pre-set port mapping table, determines working as in the display under init state
Preceding channel to be detected, also, the state machine entering signal line accesses detecting state；
The state machine obtains the break-make feelings of the GPIO pins in the current channel to be detected in the case where signal wire accesses detecting state
Condition, and judge whether the GPIO pins in the current channel to be detected are channel status, if it is, the state machine upstream end
Mouth switching state；Otherwise, according to the port mapping table, next channel to be detected in the display is determined, also,
The state machine remains under signal wire access detecting state；
The state machine is under the switching state of port, and using timer, calculating the state machine, this is switched to port switching shape
Residence time after state, when the residence time reaching preset time threshold, the state machine entering signal detecting state；It is no
Then, the state machine remains under the switching state of port；
The state machine judges to whether there is in the signal by the current channel input to be detected under signal detection state
Row-field scanning signal, if it is, the information source for providing multi-media signal by the current channel to be detected is used as currently
Playable multimedia information source, and the counter for recording currently playable multimedia information source number is added 1, it goes forward side by side
One step judges whether all channels in the display have completed after testing, is set if it is, the state machine enters window
Set state；Otherwise, according to the port mapping table, next channel to be detected in the display is determined, also, described
State machine entering signal line accesses detecting state；
The state machine is under window setting state, and the numerical value that the counter is recorded is as currently playable multimedia
The number of information source, also, the state machine enters init state, while the counter O reset；
Wherein, the detection ordering of each I/O channel of the display is previously provided in the port mapping table.
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| CN107509102A (en) * | 2017-08-22 | 2017-12-22 | 深圳Tcl数字技术有限公司 | Method for previewing, device and the computer-readable recording medium of television information source |
| CN111866429B (en) * | 2019-04-29 | 2023-03-24 | 杭州海康威视数字技术股份有限公司 | Video data preview method and device |
| CN110515668B (en) * | 2019-08-27 | 2023-01-17 | 重庆惠科金扬科技有限公司 | Display starting method and display |
| CN112672196B (en) * | 2019-10-16 | 2023-07-04 | 圆展科技股份有限公司 | System and method for channel selection and image display |
| CN111831245B (en) * | 2020-07-14 | 2021-09-24 | 北京仁光科技有限公司 | Windowing control method and device in display control system and storage medium |
| CN112835547A (en) * | 2021-03-26 | 2021-05-25 | 聚好看科技股份有限公司 | Media asset file split-screen display method and display device |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |