CN106412462A - Play signal output control method and play equipment - Google Patents
Play signal output control method and play equipment Download PDFInfo
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- CN106412462A CN106412462A CN201510468201.9A CN201510468201A CN106412462A CN 106412462 A CN106412462 A CN 106412462A CN 201510468201 A CN201510468201 A CN 201510468201A CN 106412462 A CN106412462 A CN 106412462A
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Abstract
Embodiments of the invention provide a play signal output control method and play equipment and relate to the signal processing field. By using the method and the equipment, flexible control to an output signal of a signal source can be realized. The method is used for carrying out signal output control on signal output equipment by play equipment. The play equipment comprises at least two signal input channels. Each signal input channel is connected to one signal output equipment. The method is characterized in that the play equipment determines a current signal input channel which is used right now; the play equipment generates a play indication signal according to the current signal input channel; the play equipment sends the play indication signal to current signal output equipment corresponding to the current signal input channel through the current signal input channel; and the play indication signal is used for indicating the current signal output equipment to output the play signal. The method and the equipment of the embodiments are used for signal play.
Description
Technical field
The present invention relates to field of signal processing, more particularly, to a kind of play signal output control method
And playback equipment.
Background technology
In audio-video frequency playing system, usually can realize multiple signal source output signal is broadcast
Put, such as in video playback apparatus, signal source can be DVD (English full name：Digital
Versatile Disc, Chinese：Digital versatile disc), VCD (English full name：Video Compact
Disc, Chinese：Video and audio CD disc) or PC (English full name：Personal computer, Chinese：
Personal computer) etc.；In audio-frequence player device, signal source can be CD (English full name：
Compact Disk, Chinese：Laser disc), MP3 (English full name：Moving Picture
Experts Group Audio Layer III, Chinese：Mobile image Experts Group Layer -3 audio frequency) or
Cassette tape etc.；, traditional display device can receive the output letter of multiple signal source taking TV as a example
Number, therefore also imply that display device can connect multiple signal source, the letter of TV in life
Generally there are DVD, VCD, network machine top box, high definition set top box in number source；Intelligent television also may be used
To obtain the output signal of signal source by mass-memory unit；The rear end of therefore TV needs
It is connected with signal source by different interfaces, and then by foundation and different signal sources between
Signalling channel realizes the input of signal source.
If the passage that user's selection is set up with DVD using TV signal input by default
Passage, then when user has the program that demand watches the offer of other signal sources, as VCD provides
Program, then user not only will by remote control switch input channel or manually adjust interface switching letter
The input channel in number source is in addition it is also necessary to opening VCD and closing DVD；And for passage switching
Convenience, the way of usual user is to maintain all signal source starts output signal, is needing
During the signal source of switching viewing, only by remote control, to input signal source, corresponding input channel is entered
Row selects, thus realizing the switching of the input signal source of playback equipment, this requires to set for playing
The standby all signal sources output signal simultaneously providing signal, is not therefore provided that one in prior art
Plant the scheme that signal source output signal is flexibly controlled.
Content of the invention
Embodiments of the invention provide a kind of play signal output control method and playback equipment, energy
The enough flexible control realized to signal source output signal.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
In a first aspect, providing a kind of play signal output control method, for playback equipment to letter
The signal output of number outut device controls, and described playback equipment includes at least two signal inputs and leads to
Road, each described signal input channel connects signal output apparatus, including：
The current demand signal input channel that described playback equipment determination is currently in use；
Described playback equipment generates according to described current demand signal input channel and plays indication signal；
Described playback equipment is by described broadcasting indication signal by described current demand signal input channel
Send current demand signal outut device corresponding to described current demand signal input channel, described broadcasting refers to
Show that signal is used for indicating described current demand signal outut device output play signal.
Second aspect, provides a kind of playback equipment, for the signal output to signal output apparatus
Control, described playback equipment includes at least two signal input channels, each described signal input
Passage connects signal output apparatus, including：
Passage acquiring unit, for determining the current demand signal input channel being currently in use；
Signal processing unit, plays instruction letter for generating according to described current demand signal input channel
Number；
Signal transmitting unit, for inputting described broadcasting indication signal by described current demand signal
Passage sends current demand signal outut device corresponding to described current demand signal input channel, described broadcasts
Put indication signal to be used for indicating described current demand signal outut device output play signal.
The play signal output control method of above-mentioned offer and playback equipment, playback equipment just determines
In the current demand signal input channel using；And broadcasting instruction is generated according to current demand signal input channel
Signal；Then will play indication signal sent by current demand signal input channel defeated to current demand signal
Enter passage corresponding current demand signal outut device, to indicate the output broadcasting of current demand signal outut device
Signal, thus realize the flexible control to signal source output signal.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be right
In embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that,
Drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art
For, on the premise of not paying creative work, can also be obtained other attached according to these accompanying drawings
Figure.
A kind of structural representation of Play System that Fig. 1 provides for embodiments of the invention；
Fig. 2 provides a kind of flow process of play signal output control method to show for embodiments of the invention
It is intended to；
Fig. 3 provides a kind of stream of play signal output control method for another embodiment of the present invention
Journey schematic diagram；
Fig. 4 provides a kind of structural representation connecting core device chip for embodiments of the invention；
Fig. 5 provides a kind of structural representation of playback equipment for embodiments of the invention；
Fig. 6 provides a kind of structural representation of playback equipment for another embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment being obtained under the premise of making creative work, broadly fall into present invention protection
Scope.
Embodiments of the invention are applied to Play System as shown in Figure 1, wrap wherein in this Play System
Be connected containing playback equipment 11 and with playback equipment at least two signal output apparatus (12-1,
12-2 ..., 12-n), wherein, playback equipment 11 be used for either signal outut device (12-1,
12-2 ..., 12-n) play signal that exports plays out, playback equipment 11 includes at least two
Signal input channel (passage as shown in Figure 11,2 ..., n), each signal input channel
Connect signal output apparatus (12-1,12-2 ..., 12-n), wherein signal input channel leads to
Cross interface to be connected with signal output apparatus, according to the difference of signal output apparatus, interface can adopt
TV (English：Television, Chinese：TV) radio frequency interface, AV (English：Audio-Video,
Chinese：Audio-video) compound interface, S (English：Separate Video, Chinese：Two components regard
Frequently terminal interface, color difference components (English)：Chromatic Component) interface, VGA (English
Civilian full name：Video Graphics Array, Chinese：Video Graphics Array) interface, DVI (English
Full name：Digital Visual Interface, Chinese：Digital visual interface) interface or HDMI (English
Civilian full name：High Definition Multimedia Interface, Chinese：Definition multimedia interface)
Interface etc., above-mentioned playback equipment 11 can be audio frequency apparatus, video equipment or audio ＆ video equipment,
As：The equipment such as TV, display, projector, audio frequency power amplifier, signal output apparatus (12-1,
12-2 ... ..12-n) can be：DVD, VCD, cassette recorder, CD, PC, network machine top box,
The equipment such as high definition set top box.
Based on above-mentioned Play System, embodiments of the invention provide a kind of play signal output control side
Method, controls to the signal output of signal output apparatus for playback equipment, playback equipment includes at least two
Individual signal input channel, each signal input channel connects signal output apparatus, with reference to Fig. 2 institute
Show, specifically include following steps：
101st, the current demand signal input channel that playback equipment determination is currently in use.
Optionally, the current demand signal input channel being currently in use in step 101 is the input of play signal
Passage, therefore exemplary, step 101 can be realized by least following two modes：First：
Playback equipment determines that the default signal input channel after start is current demand signal input channel；Second：Broadcast
Put equipment receiving channel switching command；Playback equipment is logical according to the input of passage switching command switching signal
Road, the signal input channel after switching is current demand signal input channel.Wherein, this passage switching command
Can be sent by user terminal for user, such as remote control, mobile phone remote APP (English：
Application, Chinese：Application) etc.；Or this passage switching command can be by playback equipment
The button of upper setting or Touch Screen input.
102nd, playback equipment generates according to current demand signal input channel and plays indication signal.
103rd, playback equipment will be play indication signal and be sent by current demand signal input channel and believe to current
Number input channel corresponding current demand signal outut device, plays indication signal and is used for indicating that current demand signal is defeated
Go out equipment output play signal.
Wherein, in the system of playback equipment, the transmission of signal controls transmission generally according to system clock
To realize the time synchronized of each Signals ＆ Systems clock, playback equipment firstly generates this broadcasting and refers to order
Show signal, playback equipment will be play and would generally play instruction when indication signal sends in step 103
Record its transmission time by way of beating timestamp in playing indication signal in signal, similar with
It is related to when all can realize by the way of signal transmission between equipment in each embodiment lower
Between synchronous.
The play signal output control method of above-mentioned offer, playback equipment determines that be currently in use works as
Front signal input channel；And generate the broadcasting indication signal of current demand signal input channel；Then will
Play indication signal to send to current demand signal input channel correspondence by current demand signal input channel
Current demand signal outut device, with indicate current demand signal outut device output play signal, thus
Realize the flexible control to signal source output signal.
Further, in step 103, if all signal output apparatus of original state are shutdown
State, then current demand signal outut device start shooting and passes through currently with specific reference to playing indication signal
Signal output enters passage and exports play signal to playback equipment.If all signal outputs of original state
Equipment is open state, then the method also includes：
104th, playback equipment generates energy-conservation indication signal.
Wherein, this energy-conservation indication signal can generate with playing indication signal simultaneously, certainly also may be used
To generate after playing indication signal.
105th, playback equipment by energy-conservation indication signal by its in addition to current demand signal input channel
His signal input channel sends to other signal output apparatus corresponding, and energy-conservation indication signal is used for
Indicate that other signal output apparatus enter power save mode.
Wherein this power save mode includes shutdown or holding state it is to be appreciated that entering energy-conservation shape
Other signal output apparatus of state do not have signal output, therefore, because other signal output apparatus
The play signal of output is not play in playback equipment, is therefore believed other by energy-conservation indication signal
Number outut device shutdown or standby can reduce energy resource consumption.
At the end of user watches, in order to stop avoiding signal output apparatus to continue to output play signal
The waste that the energy is caused, can control outut device shutdown or standby, ginseng by the following method
According to shown in Fig. 3, specifically include following steps：
201st, playback equipment receives shutdown command.
Wherein, this shutdown command can be sent by user terminal for user, for example remote control, mobile phone
Remote control APP (English：Application, Chinese：Application) etc.；Or this shutdown command can be
By the button of setting on playback equipment or Touch Screen input.
202nd, playback equipment generates energy-conservation indication signal according to shutdown command.
203rd, energy-conservation indication signal is sent to corresponding signal by playback equipment by signal input channel
Outut device, energy-conservation indication signal is used for indicating that outut device enters power save mode.
It is capable of outut device by above-mentioned steps 201-203 and enters power save mode, to set in broadcasting
Standby stop outut device when stopping playing and continue to output play signal, it is to avoid energy waste.
It should be noted that each indication signal is any one in the following in such scheme：Electricity
Ordinary mail number, current signal, interface definition signal, exemplary, interface definition signal can be using such as
IIC (English：Inter-Integrated Circuit, Chinese：Built-in integrated circuit) protocol interface definition letter
Number or UART (English：Universal Asynchronous Receiver/Transmitter, Chinese：
Universal asynchronous receiving-transmitting transmitter) protocol interface definition signal.
For the transmission of the indication signal in each embodiment above-mentioned, one kind is achieved in that, is adopting
HDMI is realized, and this mode generally adopts chip DC1R019JB1 as adapter, now
Can be by No. 14 reserved blank pipe foot NC (English full name：Not connect) it is transmitted, greatly
Most equipment do not support HEAC, and (HDMI Ethernet and Audio Return Channel, with Taihe county
Audio return passage) function, therefore can be controlled the transmission of signal using this pin, such as Fig. 4
The pin14 (pin 14) by adapter chip DC1R019JB1 providing is used as reserved HEAC
Pin.When being realized using HDMI, each indication signal is level signal, and playback equipment passes through electricity
Flat output circuit is existed to pin14 outputs level signals, signal output apparatus by level monitoring circuit
Pin14 detects level signal.For example, playback equipment passes through this pin output control level, if selecting
To this HDMI export when, playback equipment exports high level to this pin, and signal output apparatus connect
Enter starting procedure after receiving the high level of this pin, and exported.If playback equipment selects other
Equipment carries out signal output, or when entering holding state, it is defeated to signal that playback equipment passes through this pin
Go out equipment output low level, notification signal outut device enters standby or shutdown process；Certainly above-mentioned reality
Apply each indication signal in example to realize with the high level of different amplitudes or low level signal.
For the transmission of the indication signal in each embodiment above-mentioned, embodiments of the invention provide another
Plant and be achieved in that, for some interfaces having bus protocol, such as USB interface, be internally integrated
IIC agreement, then needing can by the processor of carry (such as in signal output apparatus：Microprocessor
MCU, English full name：Microcontroller Unit) receive IIC instruction, exemplary：When broadcasting
When putting this VGA mouth of equipment choice and being exported, playback equipment passes through the IIC interface in USB interface
Send start IIC instruction to the MCU of signal output apparatus, the MCU of signal output apparatus receives
CPU (the English full name of notification signal outut device to after start IIC instruction：Central Processing
Unit, Chinese：Central processing unit) enter starting procedure and exported.If playback equipment selects it
When the signal output apparatus of its passage carry out display output, playback equipment is set to signal output by IIC
Standby MCU sends shutdown IIC instruction, after the MCU of signal output apparatus receives shutdown IIC instruction,
The CPU of notification signal outut device enters standby or shutdown process；Certainly in above-described embodiment each
Indication signal can be realized repeating no more here with different IIC instructions.
Embodiments of the invention provide a kind of playback equipment, for implementing the broadcasting of above-described embodiment offer
Signal output control method, wherein playback equipment are used for the signal output to signal output apparatus and control,
Playback equipment includes at least two signal input channels, and it is defeated that each signal input channel connects a signal
Go out equipment, shown in reference Fig. 5, including：
Passage acquiring unit 51, for determining the current demand signal input channel being currently in use.
Signal processing unit 52, plays indication signal for generating according to current demand signal input channel.
Signal transmitting unit 53, for inputting described broadcasting indication signal by described current demand signal
Passage sends current demand signal outut device corresponding to described current demand signal input channel, and described broadcasting refers to
Show that signal is used for indicating described current demand signal outut device output play signal.
The current demand signal input channel that the playback equipment determination of above-mentioned offer is currently in use；And generate
The broadcasting indication signal of current demand signal input channel；Then indication signal will be play and pass through current letter
Number input channel sends to current demand signal input channel corresponding current demand signal outut device, to refer to
Show current demand signal outut device output play signal, thus realizing the spirit to signal source output signal
Live and control.
Further, if playback equipment original state is to enter open state, passage obtains single
Unit 51 is described current demand signal input channel specifically for determining the default signal input channel after start.
Or when user has the viewing demand to the program of other signal output apparatus output, playback equipment
During for passage switching state, passage acquiring unit 51 is specifically for receiving channel switching command；
According to described passage switching command switching signal input channel, the signal input channel after switching is current
Signal input channel.
If all signal output apparatus of original state are off-mode, current demand signal output sets
Set to broadcasting for starting shooting with specific reference to broadcasting indication signal and by current demand signal import and export passage
Standby output play signal.If all signal output apparatus of original state are open state, believe
Number processing unit 52, is additionally operable to generate energy-conservation indication signal；Signal transmitting unit 53, is used for
It is additionally operable to energy-conservation indication signal by other signal inputs in addition to current demand signal input channel
Passage sends to other signal output apparatus corresponding, and energy-conservation indication signal is used for indicating other letters
Number outut device enters power save mode.
At the end of user watches, in order to stop avoiding signal output apparatus to continue to output play signal
The waste that the energy is caused, can enter power save mode, specific reference by controlling outut device
Include shown in Fig. 6：Signal receiving unit 54, for receiving shutdown command.Signal processing unit 52,
It is additionally operable to generate energy-conservation indication signal according to shutdown command.Signal transmitting unit 53, is additionally operable to energy-conservation
Indication signal is sent to corresponding signal output apparatus by signal input channel, and energy-conservation indication signal is used
Enter power save mode in instruction outut device.Wherein above-mentioned power save mode includes shutdown or standby.
It is capable of for outut device entering power save mode by above-described embodiment, to stop in playback equipment
Stop outut device when only playing and continue to output play signal, it is to avoid energy waste.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is simultaneously
Be not limited to this, any those familiar with the art the invention discloses technology model
In enclosing, change or replacement can be readily occurred in, all should be included within the scope of the present invention.
Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (10)
1. a kind of play signal output control method, defeated to the signal of signal output apparatus for playback equipment
Go out to control, described playback equipment includes at least two signal input channels, each described signal input channel
Connect signal output apparatus it is characterised in that including：
The current demand signal input channel that described playback equipment determination is currently in use；
Described playback equipment generates according to described current demand signal input channel and plays indication signal；
Described broadcasting indication signal is sent to institute by described playback equipment by described current demand signal input channel
State current demand signal input channel corresponding current demand signal outut device, described broadcasting indication signal is used for indicating
Described current demand signal outut device exports play signal.
2. method according to claim 1 is it is characterised in that the determination of described playback equipment makes
Current demand signal input channel, including：Described playback equipment determines that the default signal input after start is logical
Road is described current demand signal input channel.
3. method according to claim 1 is it is characterised in that the determination of described playback equipment makes
Current demand signal input channel, including：
Described playback equipment receiving channel switching command；
Described playback equipment is according to described passage switching command switching signal input channel, the signal after switching
Input channel is current demand signal input channel.
4. method according to claim 1 is it is characterised in that methods described also includes：
Described playback equipment generates energy-conservation indication signal；
Described playback equipment is by described energy-conservation indication signal by its in addition to described current demand signal input channel
His signal input channel sends to other signal output apparatus corresponding, and described energy-conservation indication signal is used for referring to
Show that other signal output apparatus described enter power save mode.
5. the method according to any one of Claims 1 to 4 is it is characterised in that described current demand signal is defeated
After going out equipment output play signal, methods described also includes：
Described playback equipment receives shutdown command；
Described playback equipment generates energy-conservation indication signal according to described shutdown command；
Described energy-conservation indication signal is sent to corresponding signal by described playback equipment by signal input channel
Outut device, described energy-conservation indication signal is used for indicating that described signal output apparatus enter power save mode.
6. a kind of playback equipment, for the signal output control to signal output apparatus, described playback equipment
Including at least two signal input channels, each described signal input channel connects signal output apparatus,
It is characterized in that, including：
Passage acquiring unit, for determining the current demand signal input channel being currently in use；
Signal processing unit, plays indication signal for generating according to described current demand signal input channel；
Signal transmitting unit, for sending out described broadcasting indication signal by described current demand signal input channel
Deliver to the corresponding current demand signal outut device of described current demand signal input channel, described broadcasting indication signal is used
Export play signal in the described current demand signal outut device of instruction.
7. playback equipment according to claim 6 is it is characterised in that described passage acquiring unit has
Default signal input channel after body is used for determining start is described current demand signal input channel.
8. playback equipment according to claim 6 is it is characterised in that described passage acquiring unit
Specifically for receiving channel switching command；According to described passage switching command switching signal input channel, cut
Signal input channel after changing is current demand signal input channel.
9. playback equipment according to claim 6 it is characterised in that
Described signal processing unit, is additionally operable to generate energy-conservation indication signal；
Described signal transmitting unit, is used for being additionally operable to by described energy-conservation indication signal by except described current letter
Other signal input channels outside number input channel send to other signal output apparatus corresponding, described section
Can indication signal be used for indicating that other signal output apparatus described enter power save mode.
10. the playback equipment according to any one of claim 6～9 is it is characterised in that also include：
Signal receiving unit, for receiving shutdown command；
Described signal processing unit, is additionally operable to generate energy-conservation indication signal according to described shutdown command；
Described signal transmitting unit, is additionally operable to send described energy-conservation indication signal by signal input channel
To corresponding signal output apparatus, described energy-conservation indication signal is used for indicating that described outut device enters energy-conservation
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468201.9A CN106412462A (en) | 2015-07-31 | 2015-07-31 | Play signal output control method and play equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468201.9A CN106412462A (en) | 2015-07-31 | 2015-07-31 | Play signal output control method and play equipment |
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| CN106412462A true CN106412462A (en) | 2017-02-15 |
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| CN201510468201.9A Pending CN106412462A (en) | 2015-07-31 | 2015-07-31 | Play signal output control method and play equipment |
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| CN108513026A (en) * | 2017-02-24 | 2018-09-07 | 柯尼卡美能达株式会社 | Image processing apparatus and the computer-readable recording medium for storing program |
| CN111385044A (en) * | 2018-12-29 | 2020-07-07 | 青岛海尔多媒体有限公司 | System, method and device for emergency broadcasting in display terminal |
| WO2024098974A1 (en) * | 2022-11-10 | 2024-05-16 | 青岛海信传媒网络技术有限公司 | Display device and control method for external device |
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Application publication date: 20170215 |