CN103002226B - A kind of playback equipment changing method and device - Google Patents
A kind of playback equipment changing method and device Download PDFInfo
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- CN103002226B CN103002226B CN201210491784.3A CN201210491784A CN103002226B CN 103002226 B CN103002226 B CN 103002226B CN 201210491784 A CN201210491784 A CN 201210491784A CN 103002226 B CN103002226 B CN 103002226B
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Abstract
The present invention is applicable to high definition device technical field, provides a kind of playback equipment changing method and device, comprising: in the playback equipment with HDMI function, set up virtual CEC switch; Carry out the switching of right of correspondence between the CEC equipment be connected at described playback equipment by described virtual CEC switch, to set up with display device with the CEC equipment making to have right of correspondence and communicate.In embodiments of the present invention, by setting up virtual CEC switch in HDMI input function playback equipment, to the switching carrying out right of correspondence between the CEC equipment be connected with this playback equipment, to set up with Digital Television to make the CEC equipment of this playback equipment second line of a couplet and communicating.
Description
Technical field
The invention belongs to high definition device technical field, particularly relate to a kind of playback equipment changing method and device.
Background technology
Along with the arrival in Digital Television high definition epoch, user is to the continuous lifting of Image texture quality requirement, the application taking HDMI (High Definition Multimedia Interface) (HighDefinitionMultimediaInterface, HDMI) digital TV in high resolution as the consumer digital-video equipment of representative is more and more general.In order to set up digital home cinema, user adds the multiple consumer electronics possessing HDMI and controls (ConsumerElectronicsControl, CEC) equipment, as blue light player, high definition player, high definition set top box, recording equipment, tuner etc., communicate by setting up with Digital Television, transmission of video on the circuit of HDMI, Digital Television is play video, and the high definition brought to enjoy Digital Television is experienced.
But, CEC equipment and Digital Television set up communication needs right of correspondence, and synchronization, only have a CEC equipment to have the right of correspondence with DITEC digital television communications, as shown in Figure 1, now playback equipment 1 has right of correspondence, if other playback equipment needs to obtain this right of correspondence, then need to control (ConsumerElectronicsControl, CEC) switch by consumer electronics and switch right of correspondence, obtain right of correspondence to make playback equipment and complete the communication with Digital Television.But in fig. 2, playback equipment A, playback equipment B, playback equipment C connect with the playback equipment D with HDMI input function, playback equipment D and Digital Television connect, to set up CEC network, even if now increase a CEC switch between Digital Television and playback equipment D, also right of correspondence cannot be switched, meanwhile, right of correspondence function is switched because playback equipment D does not have, therefore also right of correspondence cannot be switched, thus the playback equipment A of the playback equipment D second line of a couplet, playback equipment B, playback equipment C cannot set up with Digital Television and communicate.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of playback equipment changing method, and the CEC equipment being intended to solve the existing HDMI of the having input function playback equipment second line of a couplet cannot set up with Digital Television the problem communicated.
The embodiment of the present invention is achieved in that a kind of CEC equipment switching method, comprising:
Virtual CEC switch is set up in the playback equipment with HDMI function;
Carry out the switching of right of correspondence between the CEC equipment be connected at described playback equipment by described virtual CEC switch, to set up with display device with the CEC equipment making to have right of correspondence and communicate.
Another object of the embodiment of the present invention is to provide a kind of CEC equipment switching device shifter, comprising:
Set up unit, for setting up virtual CEC switch in the playback equipment with HDMI function;
Switch unit, for carrying out the switching of right of correspondence between the CEC equipment that is connected at described playback equipment by described virtual CEC switch, to be set up with display device with the CEC equipment making to have right of correspondence and communicating.
In embodiments of the present invention, by setting up virtual CEC switch in HDMI input function playback equipment, to the switching carrying out right of correspondence between the CEC equipment be connected with this playback equipment, to set up with Digital Television to make the CEC equipment of this playback equipment second line of a couplet and communicating.
Accompanying drawing explanation
Fig. 1 is a sample figure of the CEC network that background technology provides;
Fig. 2 is another sample figure of the CEC network that background technology provides;
Fig. 3 is the realization flow figure of the playback equipment changing method that the embodiment of the present invention provides;
Fig. 4 is the structured flowchart of the playback equipment switching device shifter that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, 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, be not intended to limit the present invention.
In embodiments of the present invention, by setting up virtual CEC switch in HDMI input function playback equipment, to the switching carrying out right of correspondence between the CEC equipment be connected with this playback equipment, to set up with Digital Television to make the CEC equipment of this playback equipment second line of a couplet and communicating.
Fig. 3 shows the realization flow of a kind of playback equipment changing method that the embodiment of the present 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 the equipment with HDMI input function and output function, when forming 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 illustrating, for practical application, 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, there is HDMI (High Definition Multimedia Interface) (HighDefinitionMultimediaInterface, in the playback equipment of HDMI) input function, set up consumer electronics and control (ConsumerElectronicsControl, CEC) switch, specifically in the system of playback equipment, can set up a process, the process of foundation can adopt any one 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:
Broadcast message is sent to CEC network, this broadcast message comprises virtual CEC switch device type and physical address, to make to set up described virtual CEC switch in the playback equipment with HDMI function, this physical address is the physical address of the delivery outlet of the playback equipment with HDMI function.
In the present embodiment, 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, according to this physical address, distributes new physical address by the agreement of CEC to the delivery outlet of playback equipment and input port with HDMI function.What needs were described is, due to HDMI agreement regulation, the physical address at HDMI wire 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 storing each CEC equipment input and output mouth, generate a physical address table, be kept in playback equipment.
Finally, virtual CEC switch is according to physical address table, broadcast message is sent to the CEC equipment of the first line of a couplet and the second line of a couplet by HDMI wire, broadcast message contains the information of virtual CEC switch device type and physical address, indicate that a CEC switch adds CEC network, to set up the identity information of CEC switch in CEC network.
As an alternative embodiment of the invention, virtual CEC switch is according to physical address table, another broadcast message is sent to the CEC equipment of the first line of a couplet and the second line of a couplet by HDMI wire, this broadcast message contains the device type of playback equipment and the information of new physical address, represent that the physical address of playback equipment there occurs change, to upgrade the identity information of playback equipment in CEC network.
As an alternative embodiment of the invention, send broadcast message to CEC network, comprise virtual CEC switch device type and predetermined physical address, to make to set up described virtual CEC switch in the playback equipment with HDMI function.Send the process of broadcast message, illustrate at above-described embodiment, do not repeat at this.
In step s 302, between the CEC equipment be connected at playback equipment by virtual CEC switch, carry out the switching of right of correspondence, to set up with display device with the CEC equipment making to have right of correspondence and communicate.
In the present embodiment, CEC equipment is the equipment following consumer electronics control protocol.
In the present embodiment, the switching of right of correspondence is carried out between the CEC equipment be connected at playback equipment by virtual CEC switch, specifically can show to be switched CEC list of devices on the screen of a display device, this to be switched CEC list of devices comprises the CEC equipment of the second line of a couplet.Display device comprises and is not limited to Digital Television, display screen.The CEC equipment that user selects on to be switched CEC list of devices, the CEC equipment chosen switches CEC equipment as being subject to, and display device sends switching signal to virtual CEC switch.
In the present embodiment, when virtual CEC switch gets switching signal, determine, by switching CEC equipment, in physical address table, to obtain this by the physical address switching CEC equipment, setting up the communication by switching CEC equipment and display device according to physical address according to switching signal.Particularly, virtual CEC switch prestores the switching signal corresponding with CEC equipment, and CEC switch receives switching signal, determines by switching CEC equipment according to switching signal.As determined, by switching CEC equipment be Set Top Box, at acquisition Set Top Box physical address, determines the position of Set Top Box in CEC network, set up the communication of Set Top Box and display device according to physical address.
For ease of illustrating, for practical application, the address of [1.1.0.0] [1.2.0.0] respectively blue light player and recording equipment, present blue light player has the right of correspondence with Digital Television, so recording equipment can not with DITEC digital television communications.If desired this right of correspondence is switched to recording equipment, after user selects recording equipment on virtual CEC switch, then virtual CEC switch can on CEC network broadcasting handover information:
（RoutingChange）[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, to give blue light player by right of correspondence, then CEC switch broadcast this handover information below:
（RoutingChange）[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, to make virtual CEC switch without the need within the time of presetting, resend broadcasting handover information.
As another preferred embodiment of the present invention, when not receiving switching signal, the playback equipment possessing HDMI input function is the playback equipment of acquiescence.
In an alternative embodiment of the invention, can set up CEC switch in Digital Television, specific implementation process, in the existing explanation of step 301, does not repeat at this.
As a preferred embodiment of the invention, if CEC equipment handover success, then the last physical address with right of correspondence CEC equipment of record, to give according to physical address the CEC equipment that the last time has right of correspondence to make virtual switch again by right of correspondence.
In embodiments of the present invention, select last for trigger condition on a remote control with user, when user presses last button, right of correspondence to be given according to physical address the CEC equipment that the last time has right of correspondence by virtual switch again, to make user without the need to selecting in CEC list of devices, the CEC equipment that the last time has right of correspondence can be turned back to, improve the operating efficiency of user.
As a preferred embodiment of the invention, when the physical address of CEC equipment changes, CEC equipment carries out renewal broadcast at CEC network,
In the present embodiment, the physical address of CEC equipment is changed as the condition of Trigger update broadcast, when interface position as HDMI changes or when CEC equipment is removed, represent that the physical address of CEC equipment changes, namely trigger the renewal broadcast that physical address upgrades, redistribute the physical address of CEC equipment to make virtual CEC switch.
Fig. 4 shows the structured flowchart of playback equipment switching device shifter, for convenience of explanation, illustrate only the part relevant to the embodiment of the present invention.
In the playback equipment that this multiple objects in batches choice device may be used for having HDMI input function and display device, it can be the unit that software unit, hardware cell or the software and hardware run in these equipment combines, also can be integrated in these equipment as independently suspension member or run in the application system of these equipment, for convenience of explanation, illustrate only part related to the 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, carries out the switching of right of correspondence by virtual CEC switch between the CEC equipment be connected at playback equipment, to set up communicate with the CEC equipment making to have right of correspondence with display device.
Particularly, in the apparatus, set up unit 21 and also send broadcast message to CEC network, this broadcast message comprises virtual CEC switch device type and physical address, to make to set up this virtual CEC switch in the playback equipment with HDMI function, this physical address is that this has the physical address of the playback equipment of HDMI function.
Alternatively, in the apparatus, if switch unit is also for CEC equipment handover success, then switching command is returned successfully to this virtual CEC switch.
Alternatively, in the apparatus, also comprise:
Updating block 43, when the physical address of CEC equipment changes, this CEC equipment carries out renewal broadcast at CEC network.
In embodiments of the present invention, by setting up virtual CEC switch in HDMI input function playback equipment, to the switching carrying out right of correspondence between the CEC equipment be connected with this playback equipment, to set up with Digital Television to make the CEC equipment of this playback equipment second line of a couplet and communicating.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement 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:
Virtual CEC switch is set up in the playback equipment with HDMI function;
Carry out the switching of right of correspondence between the CEC equipment be connected at described playback equipment by described virtual CEC switch, to set up with display device with the CEC equipment making to have right of correspondence and communicate;
Setting up virtual CEC switch in the described playback equipment having HDMI function, being specially:
Send broadcast message to CEC network, this broadcast message comprises virtual CEC switch device type and physical address, and this physical address is the physical address of the delivery outlet of the playback equipment with HDMI function;
Wherein, carry out the switching of right of correspondence between the CEC equipment be connected at playback equipment by virtual CEC switch, be specially:
Show to be switched CEC list of devices on the screen of a display device, this to be switched CEC list of devices comprises the CEC equipment of the second line of a couplet, the CEC equipment that to be switched CEC list of devices is selected, the CEC equipment chosen switches CEC equipment as being subject to, display device sends switching signal to virtual CEC switch, when virtual CEC switch gets switching signal, determine by switching CEC equipment according to switching signal, in physical address table, obtaining this by the physical address switching CEC equipment, setting up the communication by switching CEC equipment and display device according to physical address.
2. the method for claim 1, is characterized in that, sets up the step of virtual CEC switch, comprising in the playback equipment with HDMI function:
Broadcast message is sent to CEC network, described broadcast message comprises virtual CEC switch device type and physical address, to make to set up described virtual CEC switch in the playback equipment of the described HDMI of having function, described physical address for described in there is the physical address of the delivery outlet of the playback equipment of HDMI function.
3. the method for claim 1, is characterized in that, comprising: if described CEC equipment handover success, then return 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 last physical address with right of correspondence CEC equipment of record, to give according to described physical address the CEC equipment that the last time has right of correspondence to make described virtual switch again by right of correspondence.
5. the method for claim 1, is characterized in that, also comprises:
When the physical address of CEC equipment changes, described CEC equipment carries out renewal broadcast at CEC network.
6. a playback equipment switching device shifter, is characterized in that, comprising:
Set up unit, for setting up virtual CEC switch in the playback equipment with HDMI function;
Switch unit, for carrying out the switching of right of correspondence between the CEC equipment that is connected at described playback equipment by described virtual CEC switch, to be set up with display device with the CEC equipment making to have right of correspondence and communicating;
Setting up virtual CEC switch in the described playback equipment having HDMI function, being specially:
Send broadcast message to CEC network, this broadcast message comprises virtual CEC switch device type and physical address, and this physical address is the physical address of the delivery outlet of the playback equipment with HDMI function;
Wherein, carry out the switching of right of correspondence between the CEC equipment be connected at playback equipment by virtual CEC switch, be specially:
Show to be switched CEC list of devices on the screen of a display device, this to be switched CEC list of devices comprises the CEC equipment of the second line of a couplet, the CEC equipment that to be switched CEC list of devices is selected, the CEC equipment chosen switches CEC equipment as being subject to, display device sends switching signal to virtual CEC switch, when virtual CEC switch gets switching signal, determine by switching CEC equipment according to switching signal, in physical address table, obtaining this by the physical address switching CEC equipment, setting up the communication by switching CEC equipment and display device according to physical address.
7. device as claimed in claim 6, it is characterized in that, described set up unit also for CEC network send broadcast message, described broadcast message comprises virtual CEC switch device type and physical address, to make to set up described virtual CEC switch in the playback equipment of the described HDMI of having function, described physical address for described in there is the physical address of the delivery outlet of the playback equipment of HDMI function.
8. device as claimed in claim 6, is characterized in that, if described switch unit is also for described CEC equipment handover success, then return successfully switching command to described virtual CEC switch.
9. device as claimed in claim 8, it is characterized in that, if described switch unit is also for described CEC equipment handover success, the then last physical address with right of correspondence CEC equipment of record, to give according to described physical address the CEC equipment that the last time has right of correspondence to make described virtual switch again by right of correspondence.
10. device as claimed in claim 6, is characterized in that, also comprise:
Updating block, for when the physical address of CEC equipment changes, described CEC equipment carries out renewal broadcast at 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 true CN103002226B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN103596030B (en) * | 2013-11-25 | 2017-06-27 | 联想(北京)有限公司 | The method of switching multi-media output equipment, control device and intelligent television system |
| CN109120384B (en) * | 2018-07-19 | 2021-06-04 | 青岛海信传媒网络技术有限公司 | HDMI channel switching method and 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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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. |