CN103002226A - Method and device for switching playing devices - Google Patents
Method and device for switching playing devices Download PDFInfo
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- CN103002226A CN103002226A CN2012104917843A CN201210491784A CN103002226A CN 103002226 A CN103002226 A CN 103002226A CN 2012104917843 A CN2012104917843 A CN 2012104917843A CN 201210491784 A CN201210491784 A CN 201210491784A CN 103002226 A CN103002226 A CN 103002226A
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Abstract
The invention is applicable to the technical field of high-definition devices and provides a method and a device for switching playing devices. The method comprises the steps of establishing virtual consumer electronics control (CEC) switchers in playing devices having the high definition multimedia interface (HDMI) function; and switching communication right among CEC devices which are connected with playing devices through virtual CEC switchers, so that communication is established between CEC devices having the communication right and playing devices. According to the method and the device, virtual CEC switchers are established in playing devices having the HDMI input function, and the communication right is switched among CEC devices which are connected with playing devices, so that the communication is established between CEC devices connected with playing devices and digital televisions.
Description
Technical field
The invention belongs to the high definition device technical field, relate in particular to a kind of playback equipment changing method and device.
Background technology
Arrival along with the Digital Television high definition epoch, the continuous lifting that the user requires visual display quality, more and more general take HDMI (High Definition Multimedia Interface) (High Definition Multimedia Interface, HDMI) digital TV in high resolution as the application of the consumer digital-video equipment of representative.In order to set up digital home's movie theatre, the user acquires a plurality of consumer electronics control (the Consumer Electronics Control that possess HDMI, CEC) equipment, such as blue light player, high definition player, high definition set top box, recording equipment, tuner etc., communicate by letter by setting up with Digital Television, transmission of video on the circuit of HDMI is play video on Digital Television, the high definition experience that brings to enjoy Digital Television.
Yet, CEC equipment is set up to communicate by letter with Digital Television needs right of correspondence, and synchronization, only have a CEC equipment to have right of correspondence with DITEC digital television communications, as shown in Figure 1, this moment, playback equipment 1 had right of correspondence, if other playback equipment need to obtain this right of correspondence, then need to switch right of correspondence by consumer electronics control (Consumer Electronics Control, CEC) switch, finish and the communicating by letter of Digital Television so that playback equipment obtains right of correspondence.But in Fig. 2, playback equipment A, playback equipment B, playback equipment C and the playback equipment D with HDMI input function connect, playback equipment D and Digital Television connect, to set up the CEC network, even between Digital Television and playback equipment D, increase a CEC switch this moment, also can't switch right of correspondence, meanwhile, because playback equipment D does not have the right of correspondence of switching function, therefore also can't switch right of correspondence, thereby the playback equipment A of the playback equipment D second line of a couplet, playback equipment B, playback equipment C can't set up with Digital Television and communicate by letter.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of playback equipment changing method, is intended to solve the CEC equipment of the existing HDMI of the having input function playback equipment second line of a couplet and can't sets up the problem that communicate by letter with Digital Television.
The embodiment of the invention is achieved in that a kind of CEC equipment switching method, comprising:
In the playback equipment with HDMI function, set up virtual CEC switch;
By described virtual CEC switch with CEC equipment that described playback equipment is connected between communicate the switching of power set up with display device and communicate by letter so that have the CEC equipment of right of correspondence.
Another purpose of the embodiment of the invention is to provide a kind of CEC equipment switching device shifter, comprising:
Set up the unit, be used for setting up virtual CEC switch at the playback equipment with HDMI function;
Switch unit, be used for by described virtual CEC switch with CEC equipment that described playback equipment is connected between communicate the switching of power communicate by letter with display device foundation so that have the CEC equipment of right of correspondence.
In embodiments of the present invention, by in HDMI input function playback equipment, setting up virtual CEC switch, to CEC equipment that this playback equipment is connected between communicate the switching of power communicate by letter so that the CEC equipment of this playback equipment second line of a couplet is set up with Digital Television.
Description of drawings
Fig. 1 is a sample figure of the CEC network that provides of background technology;
Fig. 2 is another sample figure of the CEC network that provides of background technology;
Fig. 3 is the realization flow figure of the playback equipment changing method that provides of the embodiment of the invention;
Fig. 4 is the structured flowchart of the playback equipment switching device shifter that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
In embodiments of the present invention, by in HDMI input function playback equipment, setting up virtual CEC switch, to CEC equipment that this playback equipment is connected between communicate the switching of power communicate by letter so that the CEC equipment of this playback equipment second line of a couplet is set up with Digital Television.
Fig. 3 shows the realization flow of a kind of playback equipment changing method that the embodiment of the invention provides, and details are as follows:
In step S301, in the playback equipment with HDMI function, set up virtual CEC switch.
In the present embodiment, the playback equipment with HDMI input function represents to have the equipment of HDMI input function and output function, when forming the CEC network, and this playback equipment first line of a couplet display device, other CEC equipment of the second line of a couplet.For ease of explanation, take practical application as example, this playback equipment first line of a couplet Digital Television, second line of a couplet blue light player, high definition player, high definition set top box, recording equipment, sound equipment etc.
In the present embodiment, has HDMI (High Definition Multimedia Interface) (High DefinitionMultimedia Interface, HDMI) in the playback equipment of input function, set up consumer electronics control (Consumer Electronics Control, CEC) switch specifically can in the system of playback equipment, be set up a process, the process of foundation can adopt any method of prior art, does not limit at this.
As a preferred embodiment of the present invention, in the playback equipment with HDMI function, set up the step of virtual CEC switch, comprising:
Send broadcast message to the CEC network, this broadcast message comprises virtual CEC switch device type and physical address, so that set up described virtual CEC switch in the playback equipment with HDMI function, this physical address is the physical address of delivery outlet with playback equipment of HDMI function.
In the present embodiment, at first start the initialized process of virtual CEC switch, then obtain the HDMI delivery outlet physical address of playback equipment, this physical address is composed virtual CEC switch.
Then, virtual CEC switch is according to this physical address, by the agreement of CEC new physical address distributed in delivery outlet and the input port of playback equipment with HDMI function.What need to describe is, because HDMI agreement regulation, the physical address at HDMI line two ends is identical, therefore the physical address of the delivery outlet of this playback equipment is identical with the physical address of the input port of first line of a couplet CEC equipment, the address of the input port of this playback equipment is identical with the physical address of second line of a couplet CEC equipment output port, therefore can record the physical address of each CEC equipment input and output mouth of storage, generate a physical address table, be kept in the playback equipment.
At last, virtual CEC switch is according to physical address table, CEC equipment by the HDMI alignment first line of a couplet and the second line of a couplet sends broadcast message, broadcast message has comprised the information of virtual CEC switch device type and physical address, expression has a CEC switch to add the CEC network, to set up the identity information of CEC switch in the CEC network.
As an alternative embodiment of the invention, virtual CEC switch is according to physical address table, CEC equipment by the HDMI alignment first line of a couplet and the second line of a couplet sends another broadcast message, this broadcast message has comprised the device type of playback equipment and the information of new physical address, change has occured in the physical address of expression playback equipment, with the identity information of update playing equipment in the CEC network.
As an alternative embodiment of the invention, send broadcast message to the CEC network, comprise virtual CEC switch device type and default physical address, so that in the playback equipment with HDMI function, set up described virtual CEC switch.Send the process of broadcast message, illustrate at above-described embodiment, do not do at this and give unnecessary details.
In step S302, between the CEC equipment that is connected with playback equipment, communicate the switching of power by virtual CEC switch, communicate by letter with display device foundation so that have the CEC equipment of right of correspondence.
In the present embodiment, CEC equipment is the equipment of following the consumer electronics control protocol.
In the present embodiment, between the CEC equipment that is connected with playback equipment, communicate the switching of power by virtual CEC switch, specifically can show to be switched CEC list of devices at the screen of display device, comprise the CEC equipment of the second line of a couplet in this to be switched CEC list of devices.Display device comprises and is not limited to Digital Television, display screen.The CEC equipment that the user selects to be switched CEC list of devices, the CEC equipment of choosing is as being switched CEC equipment, and display device sends switching signal to virtual CEC switch.
In the present embodiment, when virtual CEC switch gets access to switching signal, determine to be switched CEC equipment according to switching signal, in physical address table, obtain the physical address that this is switched CEC equipment, set up according to physical address and switched communicating by letter of CEC equipment and display device.Particularly, the pre-stored switching signal corresponding with CEC equipment of virtual CEC switch, the CEC switch is received switching signal, determines to be switched CEC equipment according to switching signal.As to determine to be switched CEC equipment be set-top box, obtaining the set-top box physical address, determined the position of set-top box in the CEC network according to physical address, sets up communicating by letter of set-top box and display device.
For ease of explanation, take practical application as example, [1.1.0.0] [1.2.0.0] be the address of blue light player and recording equipment respectively, and blue light player has the right of correspondence with Digital Television now, so recording equipment can not with DITEC digital television communications.If this right of correspondence need to be switched to recording equipment, the user is after virtual CEC switch is selected recording equipment, and then virtual CEC switch can be broadcasted handover information at the CEC network:
（Routing?Change）[1.1.0.0][1.2.0.0]
After blue light player receives this information, it will abandon the right of correspondence with Digital Television automatically.
After recording equipment receives this information, it will obtain the right of correspondence with Digital Television.
Otherwise, if will give blue light player with right of correspondence, this handover information below then the CEC switch is broadcasted:
（Routing?Change）[1.2.0.0][1.1.0.0]。
As a preferred embodiment of the invention, when CEC equipment handover success, return successfully switching command to virtual CEC switch, so that virtual CEC switch need not to resend the broadcasting handover information within the default time.
As another preferred embodiment of the present invention, when not receiving switching signal, possess the playback equipment of HDMI input function and be the playback equipment of acquiescence.
In an alternative embodiment of the invention, can set up the CEC switch in Digital Television, specific implementation process has explanation in step 301, does not do at this and gives unnecessary details.
As a preferred embodiment of the invention, if CEC equipment handover success, then the record last time has the physical address of right of correspondence CEC equipment, so that virtual switch is given the CEC equipment that the last time has right of correspondence according to physical address again with right of correspondence.
In embodiments of the present invention, take the user on remote controller is selected once as trigger condition, when the user presses last button, virtual switch is given the CEC equipment that the last time has right of correspondence according to physical address again with right of correspondence, so that the user need not to select in the CEC list of devices, can turn back to the CEC equipment that the last time has right of correspondence, improve user's operating efficiency.
As a preferred embodiment of the invention, when the physical address of CEC equipment changed, CEC equipment upgraded broadcasting at the CEC network,
In the present embodiment, the physical address of CEC equipment is changed as triggering the condition of broadcasting of upgrading, when changing such as the interface position of HDMI or CEC equipment when being removed, the physical address of expression CEC equipment changes, namely trigger the renewal broadcasting that physical address upgrades, so that virtual CEC switch is redistributed the physical address of CEC equipment.
Fig. 4 shows the structured flowchart of playback equipment switching device shifter, for convenience of explanation, only shows the part relevant with the embodiment of the invention.
This multiple objects in batches choice device can be for playback equipment and display device with HDMI input function, can be to run on the unit that software unit, hardware cell or software and hardware in these equipment combine, also can be used as independently, suspension member is integrated in these equipment or runs in the application system of these equipment, for convenience of explanation, only show the part relevant with present embodiment.
With reference to Fig. 4, this device comprises:
Set up unit 41, in the playback equipment with HDMI function, set up virtual CEC switch.
Switch unit 42 communicates the switching of power by virtual CEC switch between the CEC equipment that is connected with playback equipment, communicate by letter with display device foundation so that have the CEC equipment of right of correspondence.
Particularly, in this device, set up unit 21 and also send broadcast message to the CEC network, this broadcast message comprises virtual CEC switch device type and physical address, so that set up this virtual CEC switch in the playback equipment with HDMI function, this physical address has the physical address of the playback equipment of HDMI function for this.
Alternatively, in this device, if switch unit also is used for CEC equipment handover success, then return successfully switching command to this virtual CEC switch.
Alternatively, in this device, also comprise:
Updating block 43, when the physical address of CEC equipment changed, this CEC equipment upgraded broadcasting at the CEC network.
In embodiments of the present invention, by in HDMI input function playback equipment, setting up virtual CEC switch, to CEC equipment that this playback equipment is connected between communicate the switching of power communicate by letter so that the CEC equipment of this playback equipment second line of a couplet is set up with Digital Television.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a CEC equipment switching method is characterized in that, comprising:
In the playback equipment with HDMI function, set up virtual CEC switch;
By described virtual CEC switch with CEC equipment that described playback equipment is connected between communicate the switching of power set up with display device and communicate by letter so that have the CEC equipment of right of correspondence.
2. the method for claim 1 is characterized in that, sets up the step of virtual CEC switch in the playback equipment with HDMI function, comprising:
Send broadcast message to the CEC network, described broadcast message comprises virtual CEC switch device type and physical address, so that set up described virtual CEC switch in the playback equipment of the described HDMI of having function, described physical address is the physical address of the delivery outlet of described playback equipment with HDMI function.
3. the method for claim 1 is characterized in that, comprising: if described CEC equipment handover success then returns successfully switching command to described virtual CEC switch.
4. the method for claim 1 is characterized in that, also comprises:
If described CEC equipment handover success, then the record last time has the physical address of right of correspondence CEC equipment, so that described virtual switch is given the CEC equipment that the last time has right of correspondence according to described physical address again with right of correspondence.
5. the method for claim 1 is characterized in that, also comprises:
When the physical address of CEC equipment changed, described CEC equipment upgraded broadcasting at the CEC network.
6. a playback equipment switching device shifter is characterized in that, comprising:
Set up the unit, be used for setting up virtual CEC switch at the playback equipment with HDMI function;
Switch unit, be used for by described virtual CEC switch with CEC equipment that described playback equipment is connected between communicate the switching of power communicate by letter with display device foundation so that have the CEC equipment of right of correspondence.
7. device as claimed in claim 6, it is characterized in that, the described unit of setting up also is used for sending broadcast message to the CEC network, described broadcast message comprises virtual CEC switch device type and physical address, so that set up described virtual CEC switch in the playback equipment of the described HDMI of having function, described physical address is the physical address of the delivery outlet of described playback equipment with HDMI function.
8. device as claimed in claim 6 is characterized in that, if described switch unit also is used for described CEC equipment handover success, then returns successfully switching command to described virtual CEC switch.
9. device as claimed in claim 8, it is characterized in that, if described switch unit also is used for described CEC equipment handover success, then the record last time has the physical address of right of correspondence CEC equipment, so that described virtual switch is given the CEC equipment that the last time has right of correspondence according to described physical address again with right of correspondence.
10. device as claimed in claim 6 is characterized in that, also comprises:
Updating block is used for when the physical address of CEC equipment changes, and described CEC equipment upgrades broadcasting at the CEC network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210491784.3A CN103002226B (en) | 2012-11-27 | 2012-11-27 | A kind of playback equipment changing method and device |
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| CN201210491784.3A CN103002226B (en) | 2012-11-27 | 2012-11-27 | A kind of playback equipment changing method and device |
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| CN103002226B CN103002226B (en) | 2016-04-13 |
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| CN103596030A (en) * | 2013-11-25 | 2014-02-19 | 联想(北京)有限公司 | Method for switchover between multimedia output devices, control equipment and smart television system |
| CN103607679A (en) * | 2013-11-12 | 2014-02-26 | Tcl通力电子（惠州）有限公司 | HDMI interface-based sound equipment upgrading method and sound equipment |
| CN109120384A (en) * | 2018-07-19 | 2019-01-01 | 青岛海信传媒网络技术有限公司 | A kind of HDMI passageway switching method, device and smart television |
| CN112040308A (en) * | 2020-08-27 | 2020-12-04 | 海信视像科技股份有限公司 | HDMI channel switching method and display device |
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| CN103002226B (en) | 2016-04-13 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523841 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |