CN100411055C - Control method of a plurality of media players and control system thereof - Google Patents
Control method of a plurality of media players and control system thereof Download PDFInfo
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- CN100411055C CN100411055C CNB031024572A CN03102457A CN100411055C CN 100411055 C CN100411055 C CN 100411055C CN B031024572 A CNB031024572 A CN B031024572A CN 03102457 A CN03102457 A CN 03102457A CN 100411055 C CN100411055 C CN 100411055C
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Abstract
The present invention relates to a control method and a control system of a plurality of media players, and the control method comprises the following steps that the current focus media player is detected; the type of the media player is determined; if the current focus media player is the standard media player, the standard media player is controlled by standard control commands; if the current focus media player is not the standard media player, corresponding media playing commands are sent to the media player which is not standard, and the media player which is not standard is controlled in a response mode. The control system which realizes the control method comprises a control panel and a hardware structure which realizes the control panel, and the control panel is provided with keys and a display screen.
Description
Technical field
The present invention refers to the control method and the control system of a plurality of media players in computer utility especially about Voice ﹠ Video.
Background technology
In personal computer, refer to especially that in notebook it is the most general application at present that Voice ﹠ Video is used.Lcd screen and CD-ROM drive are the power consumption rich anies influential family of notebook computer, that is to say with notebook computer and appreciate CD/VCD/DVD, and battery can exhaust very soon.
Therefore now some notebook computer, as purple light A7510EC and COMPAQPresario 1600, the listen to the music function of CD that all having does not start shooting is saved electric energy to a certain extent, and is easy to operate.Purple light A7510EC utilizes row's shortcut to realize not starting shooting the CD that listens to the music, and COMPAQ Presario 1600 has designed CD broadcast part separately, has a LCD control panel and realizes not starting shooting the CD that listens to the music.
But above-mentioned LCD control panel realizes not starting shooting the CD that listens to the music, and does not reach as yet to make full use of the LCD control panel, and the LCD control panel just by idle, can not given play to corresponding effect during such as start.
Summary of the invention
The problem that the control method of a plurality of media players of the present invention will solve is its Voice ﹠ Video control panel control method that can both implement to control when startup and shutdown independently of notebook computer.
For addressing the above problem, the control method of a plurality of media players of the present invention may further comprise the steps:
1) detects the current focus media player;
2) classification of judgement media player;
3) if standard media player then adopts the standard control command to control, and if non-standard media player then sends log-on message by this non-standard media player to AV Manager; AV Manager starts regularly inquiry according to described log-on message, and concurrent carry information obtains order; The mode that this non-standard media player obtains order transmission broadcast information according to described information is controlled.
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Correspondingly the control system of a plurality of media players comprises control panel and realizes the hardware structure of this control panel, and described control panel is provided with button and display screen, it is characterized in that, the hardware structure of control panel comprises:
The AV control chip is realized the control of Voice ﹠ Video;
South bridge is connected with the AV control chip by the IDE bus;
CD-ROM drive and hard disk directly are connected with the AV control chip by the IDE bus;
Keyboard controller is connected to south bridge, is used to handle the information of button;
Wherein, display screen directly hangs over the AV control chip, and the AV control chip is directly controlled displaying contents.
The present invention compared with prior art advantage is:
1, can control a plurality of media players;
2, make full use of control panel, to be user-friendly to.
Description of drawings
Fig. 1 is the synoptic diagram of control panel in the control method of a plurality of media players of the present invention.
Fig. 2 is a control panel displaying contents synoptic diagram in the control method of a plurality of media players of the present invention.
Fig. 3 a, 3b and 3c are the synoptic diagram of display mode A, B and C.
Fig. 4 is the hardware block diagram of the control method of a plurality of media players of the present invention.
Fig. 5 is that button triggers the process process flow diagram in the control method of a plurality of media players of the present invention.
Fig. 6 is the detail flowchart of Fig. 5.
Fig. 7, the 8th, media player triggers the process process flow diagram in the control method of a plurality of media players of the present invention.
Fig. 9 is a query procedure process flow diagram regularly in the control method of a plurality of media players of the present invention.
Embodiment
Please refer to shown in Figure 1ly, in the present embodiment, is example with the notebook computer, and independent design one control panel 1 is controlled its Voice ﹠ Video, and a plurality of media players of may command.At this, media player is divided into standard media player (promptly carrying out the media player of Windows standard commands) and non-standard media player.In the present embodiment, standard media player is Windows Media Player and other various media players, as happy music player, Realplayer; Non-standard media player is as WinDVD.
Please shown in Figure 2 in conjunction with reference, be the information that displays the play of display screen 10:
In addition, broadcast information also comprises program code 104, reproduction time 105, volume demonstration 106 and quiet demonstration 107.
Please refer to shown in Fig. 3 a-3c, display mode is respectively:
Display mode A, control panel 1 can show below content under shutdown mode:
Display mode B, under power on mode, when WinDVD software was in broadcast, the displaying contents of control panel 1 was as follows:
Display mode C, control panel 1 can also control Windows Media Player and other various medium media players, as happy music player, and Realplayer player etc.At this moment, media play order and volume adjustment order only basic in the control panel 1 can be operated, concrete displaying contents:
Show 106 display system volumes by volume.
Please, be the bottom hardware block diagram of control panel 1 in conjunction with reference to shown in Figure 4.
Its core realizes that chip is special-purpose AV control chip 12, realize the control of Voice ﹠ Video, specifically comprise with lower unit: detecting unit, judging unit, first processing unit and second processing unit, described detecting unit is used to detect the current focus media player; Described judging unit is used to judge the classification of media player; Described first processing unit is used for when judging unit is judged to be standard media player, adopts the standard control command to control; Described second processing unit is used for when judging unit is judged to be non-standard media player, the log-on message that sends according to this non-standard media player starts regularly inquiry, concurrent carry information obtains order, and, trigger non-standard media player and obtain order transmission broadcast information according to described information.AV control chip 12 is connected to south bridge 14 by Primary IDE bus interface, and CD-ROM drive 15 and hard disk 16 normally directly hang over below the south bridge 14 by the IDE bus.And in order to use control panel 1, specially CD-ROM drive 15 and hard disk 16 are hung over below the special-purpose AV control chip 12.This structural design is under shutdown mode, and AV control chip 12 can directly be visited the media file 102 in this CD-ROM drive 15 and the hard disk 16.And under operating system, AV control chip 12 only couples together CD-ROM drive 15 and hard disk 16 as the path of IDE bus with south bridge 14.
For newly-increased special hardware, display screen 10 directly hangs over below the AV control chip 12, directly controls its displaying contents by AV control chip 12.No matter be shutdown mode or power on mode, control panel 1 is all controlled demonstration by AV control chip 12.Under shutdown mode, display control program is in BIOS 17, and under power on mode, display control program is an AV Manger software.
Under shutdown mode, utilize independent control panel 1 to realize that the technical scheme of notebook computer playing media file 102 is prior art, does not repeat them here.
Please refer to shown in Fig. 5,6, under power on mode, a kind of control method of a plurality of media players is used for when computer booting, utilizes independently Voice ﹠ Video control panel 1 that its a plurality of media players are implemented control, and this control method comprises the steps:
1) execution in step 51, and button 11 is pressed;
2) execution in step 52, detect button 11, are responsible for the transmission of obtaining of button 11 information;
3) execution in step 53, software AV Manager, and the order of each button 11 of responsible processing is responsible for distinguishing different media players and sending control commands corresponding, is responsible for the display update of control panel 1 simultaneously, comprises following key step:
I. survey the current focus media player;
Ii. judge the classification of media player
If iii. standard media player then adopts the standard control command to control, if and non-standard media player, then by this non-standard media player is issued in corresponding media play order, the mode of this non-standard media player response is controlled, and is example with WinDVD at this non-standard media player.
Wherein detailed AV Manger flow process please refer to shown in Figure 6, and after the button 11 of control panel 1 was pressed, groundwork was exactly to handle accordingly according to different orders, may further comprise the steps:
1) execution in step 600, and software AV Manager is receiving button 11 orders that Launch Manger sends;
2) execution in step 601, and order is differentiated, and distinguish volume adjustment order and media play order;
3) if volume adjustment order, then execution in step 602, read current system sound volume, this be because might the system sound volume control strip and the volume of control panel 1 show that 106 is inconsistent, be necessary so read current system sound volume;
4) execution in step 603, and AV Manger direct control system volume makes it adjust by order;
5) execution in step 604, and update system volume control strip guarantees one-way synchronization;
6) execution in step 605, the demonstration of refresh control panel 1, and wherein, display mode is constant, only upgrades volume and shows that 106 get final product;
7) if the media play order, then execution in step 606, carry out focus detection, and to catch the media player of current operation, this is in order to distinguish the difference of WinDVD and standard media player;
8) execution in step 607, take a decision as to whether WinDVD;
9) if focus at WinDVD, then execution in step 608, transmitting control commands;
10) execution in step 609, and AV Manager issues WinDVD with corresponding media play order, the corresponding information of inquiry WinDVD;
11) execution in step 610, and the WinDVD response concurrent send broadcast information;
12) execution in step 611, and more New Control Panel 1 is shown as display mode B;
13) if focus not on WinDVD, then execution in step 612, carry out another subcommand and differentiate;
14) because the specific function of source of sound selection key, thus need to judge separately, if the user by be the source of sound selection key, then execution in step 613, whether AV Manager inquires about Media Player and starts;
15) as being not activated, then execution in step 614 is called Media Player, with user-friendly;
16) execution in step 615, and more New Control Panel 1 is display mode C;
17) if the user by be not source of sound selection key but basic media play order, execution in step 616, because for standard media player such as non-WinDVD, as Media Player or any standard media player, they only support the basic media play order of Windows standard mostly, so AV Manager is as long as receive and send corresponding order according to the Windows standard straight;
18) execution in step 617, and the media player response command of current focus carries out corresponding operating;
19) execution in step 615, and more New Control Panel 1 is display mode C.
So long as not non-standard media player, as WinDVD, for any media player under the Windows, play non-media player, as Office or IE etc., the medium control command of Windows standard is to cause misoperation, in order to support application as much as possible, AV Manager is after receiving basic media play order, as long as control commands corresponding.
At, be example with WinDVD, design two ancillary control processes in addition:
Media player triggers process, and responsing control command, media player send the information of playing or closing and start or the timeing closing inquiry;
Regularly query procedure is utilized the clock interrupt mode to carry out the timing inquiry and is obtained broadcast information.
Fig. 7, the 8th, media player triggers the process process flow diagram in the control method of a plurality of media players of the present invention, and this flow process is divided into WinDVD and starts and closing flow path.
WinDVD starts flow process and may further comprise the steps:
1) execution in step 71, and WinDVD starts, and sends an information to software AVManager, and notice AV Manager takes corresponding action;
2) execution in step 72, start regularly inquiry, and regularly query procedure is the clock interrupt routine, in case can trigger automatically after opening, its flow process as shown in Figure 9.
3) execution in step 73, and software AV Manager transmission information is obtained order;
4) execution in step 74, and media player (WinDVD) response concurrent send broadcast information, and this broadcast information comprises medium source 101, media file 102, broadcast state 103, program code 104, reproduction time 105 etc.
5) execution in step 75, read current system sound volume;
6) execution in step 76, and upgrading control template 1 is display mode B.
The WinDVD closing flow path may further comprise the steps:
1) execution in step 81, and WinDVD closes, and send an information to software AVManager, and notice AV Manager takes corresponding action;
2) execution in step 82, the timeing closing inquiry;
3) execution in step 83, read current system sound volume;
4) execution in step 84, and upgrading control template 1 is display mode C.
Wherein, most crucial function be that opening and closing are regularly inquired about, realize sending broadcast information constantly, so that can save resource again when satisfying system synchronization.
Display update that important work is control panel 1 among Fig. 7,8.Because whether WinDVD opens the difference that causes control panel 1 to show, display mode B and display mode C dual mode are arranged.After WinDVD opened, because this moment, WinDVD just was opened, mouse focus one fixed on the WinDVD, so control panel 1 should be shown as display mode B.According to the operation among Fig. 7, open WinDVD, the demonstration of control panel 1 has just refreshed simultaneously.
When WinDVD closes, necessarily be shown as display mode C after the control panel 1.So AV Manger receives the WinDVD closing information, just directly be updated to display mode C.
For example, because the volume in the control panel 1 shows that 106 can not be synchronous all the time with the volume demonstration 106 of operating system, in most of the cases, be one-way synchronization.The volume adjustment button 11 that is control panel 1 can be adjusted the volume of control panel 1 and the volume of system.Otherwise but during the regulating system volume, the indication of the volume of control panel 1 can not be followed adjustment.This mainly is because the volume adjustment is not the information that system can send, and can not trigger a process.Unless AV Manager software ISSUER all the time can be realized the synchronous of volume, and this will influence the performance of operating system greatly.For as much as possible that the two is synchronous, and don't reduce system performance, only can define that to start the volume bar of the volume control strip of back operation system and control panel 1 at WinDVD synchronous.Owing to for the information of displaying the play, itself just need link up constantly with AV Manager when WinDVD plays, exchange message and control command be not so can increase too many CPU workload reading volume yet.Simultaneously, since the user has started WinDVD, purpose is exactly for media play, can not play big game at the same time.At this moment system performance is to satisfy user's demand.
And after WinDVD closes, because the user might move various programs, especially recreation.At this moment, the performance of CPU becomes the problem that needs most concern.AV Manager goes read apparatus volume control strip just to lose more than gain again.The user generally is full screen display when playing big game, like this, adjusts the volume most convenient volume button that yes directly presses control panel.And this is, the demonstration of control panel 1 is consistent with the demonstration of system sound volume.
Last surface analysis the synchronous controlling schemes of volume, so no matter WinDVD opens or closes, it all is necessary reading volume, it also is synchronous beginning and end.
Please refer to shown in Figure 9ly, Fig. 9 is a query procedure process flow diagram regularly in the control method of a plurality of media players of the present invention, lists the treatment progress of clock in interrupting in detail.This clock interrupts a bridge has been set up in the media manipulation of WinDVD and the demonstration of control panel, below labor when WinDVD plays, how AV Manager communicates by letter with WinDVD.When the WinDVD playing media, the user is appreciating media content, and does not often go by controlling media play button 11.So, just need this clock to interrupt inquiring about for control panel 1 at this moment can obtain the WinDVD broadcast information.And when WinDVD is not activated, AVManager does not need to carry out any processing, so the clock interrupt process should always not be triggered yet, just trigger regularly inquiry when having only WinDVD to open, inquire about with regard to timeing closing when WinDVD closes, this just guarantees that the system performance when not opening WinDVD is the best.
This timing query procedure comprises the steps:
1) execution in step 91, and after the timing query procedure was opened, clock interrupt interval (for example per second) triggered automatically;
2) execution in step 92, in triggering process each time, at first are the read apparatus volumes, and this is to guarantee that volume can synchronous in real time needs;
3) execution in step 93, detect the media player of current focus, and when having only focus when operating system on WinDVD, the displaying contents of control panel 1 is just synchronous with WinDVD.And system focus is on WinDVD the time, illustrates that the user is carrying out other operation rather than at the media content of appreciating WinDVD, so the demonstration of control panel 1 needn't be synchronous with WinDVD;
4) execution in step 94, judge whether the media player of current focus is WinDVD;
5) if WinDVD is the mouse focus, then execution in step 95, and software AV Manager transmission information is obtained order;
6) execution in step 96, send corresponding broadcast information after WinDVD receives orders;
7) execution in step 97, and more New Control Panel 1 also upgrades volume simultaneously for display mode B;
8) if WinDVD is not the mouse focus, then execution in step 98, and more New Control Panel 1 also upgrades volume simultaneously for display mode C.
Wherein, initiatively send information if regularly simply set WinDVD in the query procedure step 95,96, that is to say in renewal self reproduction time and send information to AV Manager, remove the more displaying contents of New Control Panel 1 by AV Manger again, seem to reach this purpose equally.But this scheme has several problems.At first, WinDVD just can not send any information when not playing, and AV Manger does not even know medium source and media file like this, and the demonstration of control panel 1 at this moment just has certain problem.Simultaneously, if WinDVD at playing media, and the mouse focus is on WinDVD, at this moment, WinDVD just sends information by force to this unwanted AV Manger.In addition, the active that this active triggering mode and clock interrupt triggers and has caused two repeated trigger processes, wastes system performance, so the two actual need exist a kind of all right.
By last surface analysis as can be seen, WinDVD should initiatively not send information, and should take the mode of passive transmission among the present invention, promptly obtains order by AV Manger transmission information, WinDVD sends corresponding broadcast information, Here it is Handshake Protocol after receiving this order again.By the design of question-response, solved the initiatively contradiction of send mode existence well.
Last action was exactly the more demonstration of New Control Panel 1 after AV Manager read all media play informations in clock interrupts, and this is the basic goal that clock interrupts existence, and after having upgraded displaying contents, the clock interrupt routine then normally withdraws from.
Claims (13)
1. the control method of a plurality of media players is characterized in that, this control method may further comprise the steps:
1) detects the current focus media player;
2) classification of judgement media player;
3) if standard media player then adopts the standard control command to control; And if non-standard media player then sends log-on message by this non-standard media player to display controller; Described display controller starts regularly inquiry according to described log-on message, and concurrent carry information obtains order; The mode that this non-standard media player obtains order transmission broadcast information according to described information is controlled.
2. the control method of a plurality of media players as claimed in claim 1 is characterized in that, in execution in step 1) precedingly also comprise the steps:
A) detect button;
B) order that receives key information and handle button is distinguished different control commands and is carried out corresponding operating:
I. if described control command is volume adjustment order, then adjust volume according to current system sound volume;
Ii. if described control command is the media play order, then execution in step 1).
3. the control method of a plurality of media players as claimed in claim 2, it is characterized in that, described control is finished by control panel, described control panel includes display screen, information displays the play, and according to non-standard media renderer plays whether, the displaying contents of display screen is divided into two kinds of display modes: display mode B and display mode C.
4. the control method of a plurality of media players as claimed in claim 3 is characterized in that,
In the step 3) standard media player control method further be may further comprise the steps:
Carrying out order differentiates;
If whether the source of sound select command is then inquired about Media Player and is started;
As be not activated, then call Media Player, with user-friendly;
The update displayed screen is display mode C;
If basic media play order then sends the standard control command;
Current media player response command, and the update displayed screen is display mode C.
5. the control method of a plurality of media players as claimed in claim 3 is characterized in that,
In the step 3) non-standard media player control method further be may further comprise the steps:
Display screen is updated to display mode B according to broadcast information.
6. the control method of a plurality of media players as claimed in claim 1 is characterized in that,
In the step 3) non-standard media player control method is further comprised:
Read current system sound volume;
The update displayed screen is display mode B;
When non-media player cuts out,
Non-media player sends closing information;
The timeing closing inquiry;
Read current system sound volume;
Update displayed screen display mode.
7. as the control method of claim 1 or 6 described a plurality of media players, it is characterized in that described timing query steps comprises:
After the timing query procedure was opened, the clock interrupt interval triggered automatically;
In triggering process each time, at first be the read apparatus volume, synchronous in real time to guarantee volume;
Detect the media player of current focus;
Judge whether current media player is non-media player;
If non-media player, then transmission information is obtained order;
After receiving orders, non-media player sends corresponding broadcast information;
The update displayed screen is for display mode B and upgrade volume simultaneously;
If not non-media player, then the update displayed screen also upgrades volume simultaneously for display mode C.
8. the control method of a plurality of media players as claimed in claim 3 is characterized in that, broadcast information comprises:
Media file, CD, VCD, DVD or MP3;
The medium source, the source of the media file of broadcast comprises CD, hard disk or SD card;
Broadcast state suspends or broadcast;
And volume shows.
9. the control method of a plurality of media players as claimed in claim 8 is characterized in that, display mode B display media source, media file, broadcast state and volume show.
10. the control method of a plurality of media players as claimed in claim 8 is characterized in that, display the play state and volume of display mode C shows.
11. the control method of a plurality of media players as claimed in claim 1 is characterized in that, non-standard media player is WinDVD.
12. the control system of a plurality of media players, this control system comprise control panel and realize the hardware structure of this control panel, described control panel is provided with button and display screen, it is characterized in that, the hardware structure of control panel comprises:
The AV control chip is realized the control of Voice ﹠ Video, comprises detecting unit, judging unit, first processing unit and second processing unit, and described detecting unit is used to detect the current focus media player; Described judging unit is used to judge the classification of media player; Described first processing unit is used for when judging unit is judged to be standard media player, adopts the standard control command to control; Described second processing unit is used for when judging unit is judged to be non-standard media player, the log-on message that sends according to this non-standard media player starts regularly inquiry, concurrent carry information obtains order, and, trigger non-standard media player and obtain order transmission broadcast information according to described information;
South bridge is connected with the AV control chip by the IDE bus;
CD-ROM drive and hard disk directly are connected with the AV control chip by the IDE bus;
Keyboard controller is connected to south bridge, is used to handle the information of button;
Wherein, display screen directly hangs over the AV control chip, and the AV control chip is directly controlled displaying contents.
13. the control system of a plurality of media players as claimed in claim 13 is characterized in that, the AV control chip can directly be visited CD-ROM drive and hard disk.
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| CNB031024572A CN100411055C (en) | 2003-01-27 | 2003-01-27 | Control method of a plurality of media players and control system thereof |
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| CNB031024572A CN100411055C (en) | 2003-01-27 | 2003-01-27 | Control method of a plurality of media players and control system thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101387942A (en) * | 2008-10-08 | 2009-03-18 | 矽创电子股份有限公司 | Method for controlling non-standard apparatus by standard command |
| CN102209264A (en) * | 2010-03-30 | 2011-10-05 | 华为技术有限公司 | Method, device and system for controlling set top box |
| CN104581426A (en) * | 2013-10-14 | 2015-04-29 | 联想(北京)有限公司 | Method and device for controlling data stream |
| CN105183446B (en) * | 2015-07-16 | 2019-08-13 | 贵阳语玩科技有限公司 | Audio management system |
| CN108363651B (en) * | 2018-01-09 | 2021-07-02 | 深圳市飓风智云科技有限公司 | Intelligent real-time player state detection method and system |
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| CN1153982A (en) * | 1994-10-26 | 1997-07-09 | 大宇电子株式会社 | Function display controlling method for composite apparatus of CDG player and VCR and apparatus thereof |
| US6266714B1 (en) * | 1997-04-30 | 2001-07-24 | Compaq Computer Corporation | Audio CD play subsystem capable for playing audio CDs in a CD-ROM drive during computer system is in power-off state |
| CN1230711A (en) * | 1998-03-26 | 1999-10-06 | O2微国际有限公司 | Low power CD-Rom player for portable computers |
| CN1355474A (en) * | 2000-12-01 | 2002-06-26 | 神基科技股份有限公司 | Method and device for display multimedia document by computer in semi-run state |
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