CN1744586A - Method for realizing control of external media source device utilizing gate bridge - Google Patents
Method for realizing control of external media source device utilizing gate bridge Download PDFInfo
- Publication number
- CN1744586A CN1744586A CN 200410054158 CN200410054158A CN1744586A CN 1744586 A CN1744586 A CN 1744586A CN 200410054158 CN200410054158 CN 200410054158 CN 200410054158 A CN200410054158 A CN 200410054158A CN 1744586 A CN1744586 A CN 1744586A
- Authority
- CN
- China
- Prior art keywords
- stage
- mentioned
- control
- media
- signal synchronizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
Playing function of network bridge, the equipment of media source connects media signal synchronizer with devices of external media sources, which carry out communication according to different protocols between each other. Through the disclosed equipment of media source, the media signal synchronizer can control devices of external media sources of using different protocols. Thus, under condition of adding additional interface of connection cable, the synchronizer can control more devices of media sources.
Description
Technical field
The present invention relates to a kind of method of utilizing bridge to realize the control of foreign medium source apparatus, this method of utilizing bridge to realize the control of foreign medium source apparatus can make the source of media device that media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together, played the effect of bridge, by this source of media device, make above-mentioned media signal synchronizer can control the foreign medium source apparatus that uses different agreement, therefore, under the situation that does not increase the stube cable interface, just can make the media signal synchronizer control more foreign medium source apparatus.
Background technology
Usually, identical with STB, the regeneration and the source of media device of processing media data with from this source of media device, obtain media data and output to the outside identical media signal synchronizer of DTV, by deciding media interface cable, for example by HDMI (High DefinitionMedia Interface: the cable high definition media interface), connect the schematic diagram of the system that Fig. 1 is connected by HDMI for common source of media device and media signal synchronizer each other.
As shown in the figure, in common source of media device and system 10 that the media signal synchronizer links to each other, when media signal synchronizer 11 is connected with source of media device 12, HPD (the Hot Plug Detection) signal that source of media device 12 receives by 11 outputs of media signal synchronizer, and the existence of the media signal synchronizer 11 that links to each other with oneself of perception, and then by EDID (Extended Display Identification: expanded scope identification) by 11 outputs of media signal synchronizer, can learn the details of media signal synchronizer 11, source of media device 12 utilizes this information, at the display environment that meets media signal synchronizer 11, the convert media data, and, send the media data of changing to media signal synchronizer 11 by TMDS modes such as (Transmission Minimized DifferentialSignal).Above-mentioned EDID has comprised demonstration manufacturer, has shown whether outturn sample title, display have information such as electricity-saving function and clocking capability.
In the said in front General System, mainly be by CEC (Consumer ElectronicsControl: user's electronic control) agreement, the control that media signal synchronizer 11 is realized source of media device 12, in addition, source of media device 12 can also and, (for example, 1394 agreements) foreign medium source apparatus is connected the agreement different with using CEC, realizes mutual communication.
At this moment, because the media signal synchronizer of control source of media device can only be controlled the source of media device that uses the CEC agreement, can not control and the foreign medium source apparatus that oneself uses different agreements to communicate, for example, the STB and the DVHS that utilize IEEE 13 media signal synchronizer interface cables to connect, if wherein STB is by supporting the HDMI cable of CEC agreement, link to each other with a kind of media signal synchronizer DTV that DTV just can not control the DVHS that uses different agreement with oneself.
Summary of the invention
Thereby, for solving aforesaid existing problem, the present invention just arises at the historic moment, in more detail, its purpose is to provide a kind of method of utilizing bridge to realize the control of foreign medium source apparatus, this method of utilizing bridge to realize the control of foreign medium source apparatus can make the control method of source of media device that media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together, played the function of bridge, by this source of media device, above-mentioned media signal synchronizer can be controlled the foreign medium source apparatus that uses different agreement, therefore, under the situation that does not increase the stube cable interface, just can make the media signal synchronizer control more source of media device.
For this reason, if the media signal synchronizer pass through fixed media interface cable (for example, the HDMI interface cable), send the address and the control code of controlled device to the source of media device, above-mentioned source of media device is according to the address code of controlled device, media signal synchronizer and self coupling together, in addition, media signal synchronizer and foreign medium source apparatus are coupled together.Especially, when connecting media signal synchronizer and foreign medium source apparatus, the control code that is sent to above-mentioned source of media device is just changed according to the agreement of using in the source of media device externally, send the foreign medium source apparatus then to, this just makes the media signal synchronizer to control and uses the foreign medium source apparatus that uses different agreement with self.
As above detailed description, utilize bridge to realize that the method for foreign medium source apparatus control has following effect according to the present invention: the source of media device couples together media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus, played the function of bridge, by this source of media device, above-mentioned media signal synchronizer can be controlled the foreign medium source apparatus that uses different agreement, therefore, under the situation that does not increase the stube cable interface, just can make the media signal synchronizer control more source of media device.
Description of drawings
Fig. 1 system schematic that to be common source of media device be connected by the medium cable interface with the media signal synchronizer.
The schematic diagram of the 1st kind of system that Fig. 2 is suitable for for the present invention.
The schematic diagram of the 2nd kind of system that Fig. 3 is suitable for for the present invention.
Fig. 4 utilizes bridge to realize the method schematic diagram of foreign medium source apparatus control.
Fig. 5 is for judging the source of media device idealized form schematic diagram whether start-up control is moved that uses in the present invention.
Fig. 6 is the idealized form schematic diagram that illustrates being used for control bit stream Search Control sign indicating number of the present invention.
Fig. 7 is the idealized form schematic diagram that illustrates for the control code conversion of using in the present invention.
Embodiment
Below, with reference to accompanying drawing, be explained as follows with regard to the specific embodiment of the invention.
At first, Fig. 2 is for adopting the schematic diagram of the 1st kind of system of the source of media device of bridge function according to the present invention.。
As shown in the figure, symbol 10 is decided agreement by using, for example, the network of the CEC of CEC (CustomerElectronics Control) agreement, symbol 20 is the network of use with above-mentioned CEC 10 different agreements, for example, the network of IEEE 1394 media signal synchronizer agreements, the equipment of affiliated this network is by the control of CEC 10 network media signal Synchronization devices, so in the present invention, this network is defined as the CEC virtual network especially.
In the above-mentioned CEC network 10, for example, use the media signal synchronizer 11 of CEC agreement to be connected with source of media device 12 by the HDMI interface cable; In above-mentioned CEC virtual network, use with above-mentioned CEC network and use different agreement, for example the foreign medium source apparatus A21 of IEEE 1394 agreements or foreign medium source apparatus B22 are connected on the source of media device 12 that is subjected to 11 controls of media signal synchronizer by 1394 interface cables.
Have such formation and be applicable in the 1st kind of system of the present invention, the media signal synchronizer 11 of CEC network 10 uses the CEC agreement, and by the HDMI cable, transmits data, and can control source of media device 12; Source of media device 12 connects with foreign medium source apparatus 21,22 by 1394 agreements different with above-mentioned CEC agreement, receives/exports data designated, and can carry out mutual communication.
Media signal synchronizer 11 in the CEC network 10 of use CEC agreement in the past can not directly be controlled and use agreement---the foreign medium source apparatus 21,22 of 1394 agreements that is different from CEC.
So, the present invention has inserted the source of media device 12 of carrying out bridge function between media signal synchronizer 11 that uses different agreement and media signal synchronizer, in source of media device 12, be loaded with and control foreign medium source apparatus 21,22 module, promptly, with foreign medium source apparatus 21,22 agreements of using can be controlled the module of associated external source of media device, utilize this module, 11 pairs of external media sources devices 21 of media signal synchronizer, 22 control, therefore, the controlled device quantity that media signal synchronizer 11 can be controlled has obtained expansion.With reference to Fig. 3, be elaborated at this point.
Fig. 3 is for adopting the schematic diagram of the 2nd kind of system of the source of media device of bridge function according to the present invention.。
As shown in the figure, be used in the 2nd kind of system of the present invention, can control the foreign medium source apparatus 210,220,230 of CEC virtual network for the media signal synchronizer 110 that makes CEC network 100, insert between, play the source of media device 120 of bridge effect, by source of media device 120, the protocol conversion of using in the CEC network 100 is the agreement of using in the CEC virtual network 200, and media signal synchronizer 110 just can have been controlled the operation of foreign medium source apparatus 210,220,230 like this.That is, the media signal synchronizer in the CEC network 100 110110 is exported to source of media device 120 by media interface cable (for example, HDMI interface cable) with the address and the control code of controlled device; Bridge 121 in the above-mentioned source of media device 120 connects between source of media device 120 and self according to the relative address sign indicating number of this controlled device, in addition, again by module 123,124,125 again with CEC virtual network 200 in foreign medium source apparatus 210,220,230 connect, in detail, with foreign medium source apparatus 210,220,230 when connecting, the control code that bridge 121 in the above-mentioned source of media device 120 will be sent in the source of media device 120 is changed according to the related protocol of foreign medium source apparatus, and sending it to foreign medium source apparatus, media signal synchronizer 110 just can be controlled foreign medium source apparatus 210 like this, 220,230.
Fig. 4 utilizes bridge to realize the method schematic diagram of foreign medium source apparatus control, has shown according to network topology, the method for the source of media device quantity that increase can be controlled passed through of the present invention.
As shown in Figure 4, at first, the present invention judges according to specifying the source of media device that media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together whether the control process of above-mentioned media signal synchronizer starts.Promptly, when specifying the source of media device that the media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together, the input of specifying the source of media device just above-mentioned media signal synchronizer heat outputting plug to be detected (HPD:Hot Plug Detection) starts monitors (S40), when the above-mentioned hot plug of input detects, whether continue to detect (S42) at what the input hot plug detected the conversion (S41) of level and Preset Time, reach and set below the level when the hot plug of above-mentioned media signal synchronizer output detects level conversion (converting), and when the state of its conversion continues in the time of above-mentioned setting, just be judged to be above-mentioned media signal synchronizer the control process of external media sources device is started (S43).
Then, in stage S43, when judging the control process initiation of above-mentioned media signal synchronizer, change control mode, and wait be ready to use in record be subjected to above-mentioned media signal synchronizer control device the relative address sign indicating number and for the input (S44) of the control bit data flow of controlling this control code of installing appointed function.
Then, in stage S44, when the control bit data flow is transfused to, in the control bit data flow of input, detect address code (S45, S46) and control code (S47, S48) separately.For example, in stage S44, when input control bit data flow, begin to calculate from some input time of above-mentioned control bit data flow, and calculated value and set the value of timing relatively, carry out this repeatedly and relatively work till both value is the same, and detect between the data bit recording areas of having set, then, analysis and detection record address code and the control code in detecting between the data bit recording areas.
Then, according to the address code that detects by stage S45, S46, S47, S48, optional one connects it and above-mentioned media signal synchronizer in source of media device self or foreign medium source apparatus.That is, when the source of media device address code of the address code that detects by stage S45, S46 and the automatic setting of media signal synchronizer access is identical (S54), the media signal synchronizer has just been set up with the source of media device and has been connected; When the external media sources device address code of the address code that detects by stage S45, S46 and the automatic setting of media signal synchronizer access is identical (S49), the media signal synchronizer has just been set up with the foreign medium source apparatus and has been connected.Then, in stage S49, after media signal synchronizer and foreign medium source apparatus connect, the search of appointment source of media device is preset in the matching list (S50) in the source of media device, will be by stage S47, the control code that S48 detects converts the control code of using (S51) in said external source of media device, according to the agreement of using in the source of media device externally, generation is preset in the external control bit data flow (S52) of the control code of changing among the stage S51, and send this data flow to the foreign medium source apparatus, therefore, said external source of media device is just carried out the appointed function that is complementary with the control code of importing, according to the present invention, the media signal synchronizer has just been realized the control of use with the foreign medium source apparatus of own different agreement.
On the other hand, when the address code of automatic setting was identical when the address code that detects by stage S45, S46 inserted with the media signal synchronizer (S54), to carrying out lexical or textual analysis (S55) by the detected control code of stage S47, S48, source of media device oneself is carried out the control process (S56) relevant with the control code of lexical or textual analysis; By the detected address code of stage S45, S46, with the address of the address of source of media device or foreign medium source apparatus not simultaneously, preferably default setting is the address (S57) of source of media device.
Fig. 5 is for judging the source of media device idealized form schematic diagram whether start-up control is moved that uses in the present invention.
Shown in, when specifying the source of media device that the media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together, when the hot plug that connects above-mentioned media signal synchronizer output detects level, initial stage height (High) level state of setting is transformed into low level state, from the time point T that changes together
sPlay the time point T after the time that calculating and process are preset
1, again with T
1Be the time started, with again through the time point T after the default time
2Finish, when level state between the two was changed once more, the control operation that just is judged to be above-mentioned media signal synchronizer started, and waits for by above-mentioned media signal synchronizer input bit data flow.Here, I
1Be the low level interval, I
2Be the cycle of HPD signal, I
3Be that the control operation starts differentiation interval, I
4Be to differentiate the interval that has or not the control bit data flow, I
4The technical content of above-mentioned method of discrimination has been described, in the detailed description of this omission to this.Above-mentioned method of discrimination is a concrete embodiment of the present invention, has multiple variation on this basis.
Fig. 6 is the idealized form schematic diagram that illustrates being used for control bit stream Search Control sign indicating number of the present invention.
As shown in the figure, in above-mentioned media signal synchronizer input control bit data flow, from the time point T of input control bit data flow
sStart to calculate, the value of calculating gained and the clocking value of setting are compared, till both value is identical, carry out this process repeatedly, (T between the data bit recording areas that detection has been set
5～T
6: I
5), the control bit of record in analyzing and detect then between the data bit recording areas that detects, then, with the control bit combination that detects in the different bit data flow, and obtain control code, this method is with identical originally, if use and the method diverse ways that utilizes the time detecting sign indicating number, correctly detect in only between the data bit recording areas of having set, so just can be than relatively easily detecting control code originally.
Fig. 7 is the idealized form schematic diagram that illustrates for the control code conversion of using in the present invention.At this, the 1st kind of external interface control code is the control code of using in different external protocols with the 2nd kind of external interface control code, and the media interface control code has shown the control code of using in the media signal synchronizer.As shown in the figure, because the media signal synchronizer uses different agreements with the foreign medium source apparatus, so control code is also different.The transformational relation of the control code of media signal synchronizer that the present invention will be as shown in Figure 7 and the control code of foreign medium source apparatus is arranged in the matching list in the source of media device that media signal synchronizer and foreign medium source apparatus are coupled together, when above-mentioned media signal synchronizer is controlled the foreign medium source apparatus, make between different control codes and can change, if possible, be optimal with question blank as above-mentioned matching list.
By above-mentioned description, this area staff can carry out various change and modification fully in the scope that does not depart from this invention technological thought.Therefore, the technical scope of this invention can not be confined to the detailed description on the specification; Must determine its technical scope according to the scope of patent application.
Claims (4)
1, a kind of method of utilizing bridge to realize the control of foreign medium source apparatus is characterized in that comprising as the next stage:
The 1st stage:, judge whether the control process of above-mentioned media signal synchronizer starts according to specifying the source of media device that media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together;
The 2nd stage: in above-mentioned the 1st stage, when judging the control process initiation of above-mentioned media signal synchronizer, change control mode, and wait and be ready to use in that record is subjected to the relevant apparatus address code of above-mentioned media signal synchronizer control and for the input of the control bit data flow of controlling this control code of installing appointed function;
The 3rd stage: in above-mentioned the 2nd stage, during input control bit data flow, in the control bit data flow of input, detect address code and control code separately;
The 4th stage: according to the address code that detects in above-mentioned the 3rd stage, optional one connects it and above-mentioned media signal synchronizer in source of media device self or foreign medium source apparatus;
The 5th stage: in above-mentioned the 4th stage, set up when being connected when media signal synchronizer and foreign medium source apparatus, the control code that will detect in above-mentioned the 3rd stage converts the control code of using in said external source of media device;
The 6th stage: the control code that will change in above-mentioned the 5th stage sends the foreign medium source apparatus to, and said external source of media device is carried out the appointed function that is complementary with the control code that sends.
2, according to the described method of utilizing bridge to realize the control of foreign medium source apparatus of claim 1, it is characterized in that described the 1st stage is by realizing with the next stage:
The 11st stage: when specifying the source of media device that the media signal synchronizer that uses different agreement to communicate separately and foreign medium source apparatus are coupled together, the input that the hot plug of specifying the source of media device to begin to monitor above-mentioned media signal synchronizer detects, when the above-mentioned hot plug of input detected, whether conversion and setting-up time that perception input hot plug detects level continued;
The 12nd stage: when the result of perception in above-mentioned the 11st stage is that the hot plug of above-mentioned media signal synchronizer output detects level conversion to setting below the level, and when the state of its conversion continues in the time of above-mentioned setting, just be judged to be above-mentioned media signal synchronizer the control process of external media sources device is started.
3, according to the described method of utilizing bridge to realize the control of foreign medium source apparatus of claim 1, it is characterized in that described the 3rd stage is by realizing with the next stage:
The 31st stage: in above-mentioned the 2nd stage, in the time of input control bit data flow, the time point that is transfused to from above-mentioned control bit data flow begins to calculate, and the value of comparison calculated value and setting timing, carry out this repeatedly and relatively work till both value is identical, and detect between the data bit recording areas of having set;
The 32nd stage: analyze and address code and the control code of detection record between detected data bit recording areas of above-mentioned 31 stages.
4, according to the described method of utilizing bridge to realize the control of foreign medium source apparatus of claim 1, it is characterized in that: above-mentioned different agreement is CEC communication protocol or 1394 communication protocols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410054158 CN1744586A (en) | 2004-08-31 | 2004-08-31 | Method for realizing control of external media source device utilizing gate bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410054158 CN1744586A (en) | 2004-08-31 | 2004-08-31 | Method for realizing control of external media source device utilizing gate bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1744586A true CN1744586A (en) | 2006-03-08 |
Family
ID=36139781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410054158 Pending CN1744586A (en) | 2004-08-31 | 2004-08-31 | Method for realizing control of external media source device utilizing gate bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1744586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101448135A (en) * | 2007-11-27 | 2009-06-03 | 索尼株式会社 | System and method for synchronizing parental control settings |
| US7929551B2 (en) | 2006-06-01 | 2011-04-19 | Rovi Solutions Corporation | Methods and apparatus for transferring media across a network using a network interface device |
-
2004
- 2004-08-31 CN CN 200410054158 patent/CN1744586A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7929551B2 (en) | 2006-06-01 | 2011-04-19 | Rovi Solutions Corporation | Methods and apparatus for transferring media across a network using a network interface device |
| US9621605B2 (en) | 2006-06-01 | 2017-04-11 | Rovi Solutions Corporation | Methods and apparatus for providing media from content providers using a network interface device |
| CN101448135A (en) * | 2007-11-27 | 2009-06-03 | 索尼株式会社 | System and method for synchronizing parental control settings |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5720824B2 (en) | Receiver | |
| CN1905655B (en) | Audio over a standard video cable | |
| CN101329857B (en) | Picture signal processing device and picture signal processing method | |
| US20090024767A1 (en) | Signal Input System | |
| CN1897672A (en) | Multimedia interface input method for conversing high resolution in tv | |
| JP4725113B2 (en) | Video signal output device | |
| WO2010001586A1 (en) | Cec communication device, audio/video device using the same, and cec communication method | |
| JP7335416B2 (en) | Electronic device, electronic device control method, device, device control method and program | |
| US20070125853A1 (en) | Data capturing apparatus and method | |
| CN1744586A (en) | Method for realizing control of external media source device utilizing gate bridge | |
| CN113138741A (en) | Method for realizing adaptation of different LVDS screens by setting and selecting GOP through BIOS (basic input output System) | |
| JP2008035060A (en) | Method of detecting connection of hdmi apparatus and program | |
| JP2005176289A (en) | Production method and system and detection method of real color equalization for color display | |
| CN101183519B (en) | Display apparatus and control method thereof | |
| JP2011082633A (en) | Electronic apparatus and method of controlling the same | |
| KR100494572B1 (en) | Method for controlling foreign media source device using bridge function | |
| JP2011142540A (en) | Video information output device and video playback device specification method | |
| JP2009093696A (en) | Test system for information reproducing system | |
| CN104427387B (en) | A kind of information processing method and device | |
| TWI697206B (en) | Multimedia controlling adapter and method for recognizing thereof and a video matrix device using the same | |
| TWI523531B (en) | System and method for signal input control and video device thereof | |
| TWI504194B (en) | Network interface card, network system, and method for building network connections with a remote network apparatus via hdmi interface | |
| TWI462006B (en) | Display system and associated control method | |
| JP2007034344A (en) | Image display condition setting device and image input/output device | |
| JP2008227911A (en) | Video signal output device and video signal output method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |