CN100375512C - Method for playing back audio/video - Google Patents
Method for playing back audio/video Download PDFInfo
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- CN100375512C CN100375512C CNB2004100057909A CN200410005790A CN100375512C CN 100375512 C CN100375512 C CN 100375512C CN B2004100057909 A CNB2004100057909 A CN B2004100057909A CN 200410005790 A CN200410005790 A CN 200410005790A CN 100375512 C CN100375512 C CN 100375512C
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- 238000007726 management method Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 230000006870 function Effects 0.000 abstract description 11
- 238000003860 storage Methods 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
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Abstract
The present invention relates to a method for playing audio and video. Equipment which is relevant to audio and video playing is divided into three types of a medium controller, a medium manager and a medium player according to respective functions, and equipment which is relevant to the audio and video playing belongs to multiple types in the three types. The equipment which is relevant to the audio and video playing issues and informs the type of the equipment by the functions. The method for playing audio and video comprises the following procedures: procedure A, the medium controller obtains audio and video medium resource information which is stored by the medium manager from the medium manager, and the medium controller selects the audio and video information to be played on the medium player from the obtained audio and video medium resource information; procedure B, the medium controller controls the medium manager and the medium player so that the medium manager transmits audio and video which are selected in the procedure A by the medium controller to the medium player; procedure C, the medium player plays the received audio and video.
Description
Technical field
The present invention relates to the audio frequency and video technical field, relate in particular to the method that a kind of audio frequency and video are play.
Background technology
Current, increasing information equipment is applied in the middle of people's work and the life, and in these information equipments, some information equipments are used as audio frequency and video and play.This kind information equipment can be stored the audio-video frequency media resource, and can carry out the broadcast of audio frequency and video on this information equipment self.For example, notebook computer is stored the audio-video frequency media resource as information equipment, and realizes the broadcast of audio frequency and video on the display screen of this computer; Equally, out of Memory equipment such as PC (PC) or palmtop PC also can be realized the storage of audio-video frequency media resource, and can be on himself playing audio-video.
Information equipment be able in audio frequency and video storages and the broadcast field is increasing use in, traditional playing audio/video characteristics such as enriches, is widely used owing to have expressive force, still is widely adopted.For example, TV is used to audio plays and video, and sound equipment is used to audio plays.
In above prior art, utilize aforesaid information equipment to realize the broadcast of audio frequency and video no matter be, still utilize traditional playing audio/video playing audio-video, each equipment all can only work alone, bring into play respectively function separately, can't realize the resource-sharing between the distinct device, thus can't be at the audio-video document of playing on the equipment on the miscellaneous equipment.In addition, also have the equipment of many storage audio and video resources, above-mentioned playing audio/video of the prior art also can't obtain audio and video resources from these memory devices and play.For example, sound equipment can only be play the file on the CD of this sound equipment, can't play the audio and video resources that is stored on the PC, can not directly obtain audio and video resources from portable hard drive and play.As seen, prior art can't realize sharing of audio and video resources between distinct device, can't be in the audio and video resources of playing on the playing audio/video on the miscellaneous equipment.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of audio frequency and video player method, utilize this method to share, thereby reach the purpose of the audio and video resources that the broadcast miscellaneous equipment is preserved on a playing audio/video to realize the audio and video resources between the distinct device.
For achieving the above object, the invention provides a kind of audio frequency and video player method, to play relevant equipment with audio frequency and video and be divided into three types of media controller, media manager and media players according to separately function, and described media controller, media manager and media player lay respectively in the different equipment, playing each relevant equipment with audio frequency and video issues by function, the type of notifying equipment separately to belong to mutually, this method key is, realizes that the audio frequency and video broadcast may further comprise the steps:
Steps A: media controller obtains the information of the audio-video frequency media resource that this media manager stores from media manager, and media controller is selected the information of the audio frequency and video that will play at media player from the audio-video frequency media resource information that obtains;
Step B: media controller control media manager and media player make media manager that media controller selected audio frequency and video in steps A are transferred to media player;
Step C: the audio frequency and video that media renderer plays receives.
Wherein, media controller described in the steps A comprises from the information that media manager obtains the audio-video frequency media resource that this media manager stores:
Media controller sends to media manager and obtains media resource message, and after media manager was received this message, the audio and video resources information that media manager is stored sent to media controller by the response message of obtaining media resource.
Wherein, step B comprises:
Step B11: media controller sends the media play initiation message to media player;
Step B12: media player sends media delivery message to media manager, carry in this message described in steps A the information of selected audio frequency and video;
Step B13: media manager is according to the information of the audio frequency and video in the media delivery message of being received, these audio frequency and video that media manager is stored send to media player.
Wherein, step B comprises:
Step B21: media controller sends media delivery message to media player transmission media play initiation message and media controller to media manager, comprises the information of the described audio frequency and video of selecting in steps A in this media delivery message;
Step B22: media manager is according to the information of the audio frequency and video in the media delivery message of being received, these audio frequency and video that media manager is stored send to media player.
Wherein, described step B comprises:
Step B31: media controller sends the media play initiation message to media manager, carries the information of the described audio frequency and video of selecting in steps A in this message;
Step B32: media manager sends the media play initiation message to media player, and then, media manager sends to media player according to the information of the audio frequency and video of carrying in the media play initiation message among the step B31 with these audio frequency and video.
Wherein, after step B, this method further comprises:
Media controller sends the controlling media play order to media player, after media player is received this order, carries out the broadcast of this control command with the control audio frequency and video.
Wherein, described controlling media play order is: suspend playing audio-video order, beginning/stop the playing audio-video order, play last one/next program order or the order of skip forward/back audio frequency and video.
Wherein, in step B or after the step B, this method further comprises:
Media controller sends the media management control command to media manager, after media manager is received this order, carries out this order to control to media player transmission tone video.
Wherein, described media management control command is: the order of audio frequency and video transmission is carried out in the order of beginning/stop tone video transmission, the order that suspends the audio frequency and video transmission or timing.
Wherein, the described media controller of steps A selects the information of audio frequency and video to be from the audio-video frequency media resource information that obtains:
Media controller is selected described audio/video information automatically according to predefined selection mode, or the user selects the information of the described audio frequency and video that will play on media player on the man-machine interface that media controller provides, media controller is selected corresponding audio/video information according to the selection operation of user on man-machine interface from the audio-video frequency media resource information of described acquisition.
As seen, the present invention has realized resource-sharing and the intercommunication between each equipment relevant with the audio frequency and video broadcast, thereby make each equipment all can bring into play the functionality advantage of self to greatest extent, be the audiovisual applications that the user provides convenient and function is more powerful.
Description of drawings
Fig. 1 is an audiovisual applications system configuration schematic diagram.
Fig. 2 realizes the signaling process figure that audio frequency and video are play for one embodiment of the invention.
Fig. 3 realizes the signaling process figure that audio frequency and video are play for another embodiment of the present invention.
Fig. 4 realizes the signaling process figure that audio frequency and video are play for another embodiment of the present invention.
Embodiment
The present invention is a kind of audio frequency and video player method, this method is divided on the basis of three types of media controller, media manager and media players at each equipment that will be relevant with audio frequency and video, realize playing intercommunication between the relevant distinct device with audio frequency and video, make media player can be under the control of media controller obtain corresponding audio and video resources and play, thereby realized that the audio frequency and video under the resource-sharing situation play from media manager.
Describe the present invention below in conjunction with accompanying drawing.
Referring to audiovisual applications system configuration schematic diagram shown in Figure 1, the present invention is in order to realize sharing of audio and video resources, to play relevant equipment with audio frequency and video with uniform way and logically be divided into three classes, be respectively: media player, media controller and media manager, wherein: media manager is used for storage, retrieval and the distribution of audio-video frequency media resource; Media player is used for the audio frequency and video that the receiving media manager sends, and plays; Media controller is used to coordinate and control the work of media manager and media player, comprise the retrieval of carrying out the audio-video frequency media resource according to user's instruction to the media manager, and to media player transmission media play instruction and Play Control instruction, play relevant equipment with audio frequency and video for one and can belong to a type in these three types separately, also can belong to the polytype in these three types, that is to say, play the function of relevant equipment with audio frequency and video for one, can be divided into two or three type that belongs to simultaneously in above-mentioned three types according to its realization.Referring to Fig. 1, two-way communication between media controller and media player and the media manager, in order to realize control and the coordination to media player and media manager, two-way communication between media manager and the media player is in order to realize that media player obtains audio frequency and video from media manager.
After carrying out above-mentioned logical partitioning, the equipment that is divided into respective type can carry out the function issue to miscellaneous equipment, with logical type that this equipment is belonged to and this logical type equipment the function that can realize be notified to miscellaneous equipment, each equipment that has carried out logical partitioning all carries out this function issue, thereby makes that playing each relevant equipment with audio frequency and video all knows the logical type that miscellaneous equipment belongs to each other.
Referring to Fig. 2, on the basis of carrying out above-mentioned logical partitioning, and after finishing aforesaid function issue, in an embodiment of the present invention, realize that the audio frequency and video broadcast needs following steps:
Step 201～step 202: media controller sends to media manager and obtains media resource message, after media manager is received this message, the audio and video resources information of self storing is sent to media controller by the response message of obtaining media resource;
Step 203: after the audio and video resources information that media controller receives, from these resource informations, select the information of the audio frequency and video that will play to media player, then, media controller sends the media play initiation message to media player, carries out the preparation that receives selected audio frequency and video in this step with the notice media player;
Step 204: after media player is received the media play initiation message, send media delivery message to media manager, carry the information of the audio frequency and video that will on media player, play in this message, by this message, the audio frequency and video transmission course between media manager startup and the media player;
Step 205: after media manager is received media delivery message, according to the audio/video information in this message, the corresponding audio frequency and video that media manager is stored are transferred to media player, after media player is received these audio frequency and video, play this audio frequency and video, finish the playing process of audio frequency and video.
Referring to Fig. 3, in another embodiment of the present invention, realize that the audio frequency and video broadcast needs following steps:
Step 301～step 302: media controller sends to media manager and obtains media resource message, after media manager is received this message, the audio and video resources information of self storing is sent to media controller by the response message of obtaining media resource;
Step 303: after the audio and video resources information that media controller receives, from these resource informations, select the information of the audio frequency and video that will play to media player, then, media controller sends the media play initiation message to media player, carries out the preparation that receives selected audio frequency and video in this step with the notice media player;
Step 304: media controller sends media delivery message to media manager, carry the information of the selected audio frequency and video that will on media player, play of media controller in this message, utilize this media delivery message, the audio frequency and video transmission course between media manager startup and the media player; Wherein, in other embodiment of the present invention, above-mentioned steps 303 and step 304 can be carried out simultaneously, also can first execution in step 304 and then execution in step 303, and the execution sequence of step 304 and step 304 does not influence realization of the present invention;
Step 305: after media manager receives that medium are controlled the media delivery message of being sent, according to the audio/video information in this message, corresponding audio frequency and video are transferred to media player, and the audio frequency and video that media renderer plays is received are finished the playing process of audio frequency and video.
Referring to Fig. 4, in another embodiment of the present invention, realize that the audio frequency and video broadcast needs following steps:
Step 401～step 402: media controller sends to media manager and obtains media resource message, after media manager is received this message, the audio and video resources information of self storing is sent to media controller by the response message of obtaining media resource;
Step 403: after the audio and video resources information that media controller receives, from these resource informations, select the audio/video information that to play to media player, then, media controller sends the media play initiation message to media manager, carry the information of the selected audio frequency and video of media controller in this message, by this media play initiation message, the notice media manager is carried out the preparation that sends selected audio frequency and video in this step;
Step 404: after media manager receives the media play initiation message that media controller sends, send the media play initiation message, carry out the preparation that receives audio frequency and video and play with the notice media player to media player;
Step 405: the transmission course of the audio frequency and video between media manager startup and the media player, media manager is transferred to media player with the selected audio frequency and video of media controller, after media player is received the next audio frequency and video of media manager transmission, play, to finish the process that audio frequency and video are play.
In above three embodiment, include media controller and select this step of information of the audio frequency and video that on media player, to play, in the present invention, media controller can be according to the information of the audio frequency and video that will play on media player in the automatic selection of predefined selection mode on the media controller; Media controller also can will show from the audio and video resources information that media manager obtains by man-machine interface, the user selects according to the audio and video resources information of these demonstrations, and media controller is finished this step of information of selecting audio frequency and video according to user's selection instruction.
In above three embodiment, media manager can be kept at the information of the audio and video resources of its storage on the media file tabular, at media manager when media controller sends audio and video resources information, media manager sends to media controller with this media file tabular, and media controller is carried out the selection of audio/video information according to the content in the tabulation; In other embodiment of the present invention, also can adopt alternate manner on media manager, to store audio and video resources information, do not influence realization of the present invention.
In the present invention, media controller can also be controlled to media player transmission tone video resource media renderer plays audio and video resources and media manager, is specially:
(1) media controller sends the controlling media play command messages to media player, this controlling media play order comprises and suspends playing audio-video, beginning/the stop audio frequency and video that last one/next program and skip forward/back are play in playing audio-video, the playing audio-video resource, media player is received this controlling media play command messages, carry out this Play Control order, carry out corresponding operation with the control media player; Wherein, in the present invention, can also further increase the kind of controlling media play order, not influence realization of the present invention according to user's use needs;
(2) media controller sends media management control command message to media manager, this media management control command comprise beginning/stop tone video transmission, suspend the transmission of audio frequency and video and regularly carry out the transmission of audio frequency and video, after media manager is received this message, carry out the media management control command, to control to media player transmission tone video resource; In the present invention, can also further increase the kind of media management control command, not influence realization of the present invention according to user's use needs.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. audio frequency and video player method, to play relevant equipment with audio frequency and video and be divided into three types of media controller, media manager and media players according to separately function, and described media controller, media manager and media player lay respectively in the different equipment, playing each relevant equipment with audio frequency and video issues by function, the type of notifying equipment separately to belong to mutually, it is characterized in that, realize that the audio frequency and video broadcast may further comprise the steps:
Steps A: media controller obtains the information of the audio-video frequency media resource that this media manager stores from media manager, and media controller is selected the information of the audio frequency and video that will play at media player from the audio-video frequency media resource information that obtains;
Step B: media controller control media manager and media player make media manager that media controller selected audio frequency and video in steps A are transferred to media player;
Step C: the audio frequency and video that media renderer plays receives.
2. method according to claim 1 is characterized in that, media controller described in the steps A comprises from the information that media manager obtains the audio-video frequency media resource that this media manager stores:
Media controller sends to media manager and obtains media resource message, and after media manager was received this message, the audio and video resources information that media manager is stored sent to media controller by the response message of obtaining media resource.
3. method according to claim 1 is characterized in that step B comprises:
Step B11: media controller sends the media play initiation message to media player;
Step B12: media player sends media delivery message to media manager, carry in this message described in steps A the information of selected audio frequency and video;
Step B13: media manager is according to the information of the audio frequency and video in the media delivery message of being received, these audio frequency and video that media manager is stored send to media player.
4. method according to claim 1 is characterized in that step B comprises:
Step B21: media controller sends media delivery message to media player transmission media play initiation message and media controller to media manager, comprises the information of the described audio frequency and video of selecting in steps A in this media delivery message;
Step B22: media manager is according to the information of the audio frequency and video in the media delivery message of being received, these audio frequency and video that media manager is stored send to media player.
5. method according to claim 1 is characterized in that, described step B comprises:
Step B31: media controller sends the media play initiation message to media manager, carries the information of the described audio frequency and video of selecting in steps A in this message;
Step B32: media manager sends the media play initiation message to media player, and then, media manager sends to media player according to the information of the audio frequency and video of carrying in the media play initiation message among the step B31 with these audio frequency and video.
6. method according to claim 1 is characterized in that after step B, this method further comprises:
Media controller sends the controlling media play order to media player, after media player is received this order, carries out the broadcast of this control command with the control audio frequency and video.
7. method according to claim 6 is characterized in that, described controlling media play order is: suspend playing audio-video order, beginning/stop the playing audio-video order, play last one/next program order or the order of skip forward/back audio frequency and video.
8. method according to claim 1 is characterized in that, in step B or after the step B, this method further comprises:
Media controller sends the media management control command to media manager, after media manager is received this order, carries out this order to control to media player transmission tone video.
9. method according to claim 8 is characterized in that, described media management control command is: the order of audio frequency and video transmission is carried out in the order of beginning/stop tone video transmission, the order that suspends the audio frequency and video transmission or timing.
10. method according to claim 1 is characterized in that, the described media controller of steps A selects the information of audio frequency and video to be from the audio-video frequency media resource information that obtains:
Media controller is selected described audio/video information automatically according to predefined selection mode, or the user selects the information of the described audio frequency and video that will play on media player on the man-machine interface that media controller provides, media controller is selected corresponding audio/video information according to the selection operation of user on man-machine interface from the audio-video frequency media resource information of described acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100057909A CN100375512C (en) | 2004-02-27 | 2004-02-27 | Method for playing back audio/video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100057909A CN100375512C (en) | 2004-02-27 | 2004-02-27 | Method for playing back audio/video |
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| Publication Number | Publication Date |
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| CN1662045A CN1662045A (en) | 2005-08-31 |
| CN100375512C true CN100375512C (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100057909A Expired - Lifetime CN100375512C (en) | 2004-02-27 | 2004-02-27 | Method for playing back audio/video |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1056021A2 (en) * | 1999-05-27 | 2000-11-29 | Sony Corporation | Electronic equipment, method of receiving data, method of transmitting data, method of setting channel and method of grouping electronic equipment into channels |
| CN1294816A (en) * | 1997-09-18 | 2001-05-09 | 汤姆森消费电子有限公司 | Digital television appts. for controlling peripheral device via digital bus |
| CN1411249A (en) * | 2002-11-12 | 2003-04-16 | 俞永涛 | Improved user multiterminal multi service unified access equipment system and its service realizing method |
| CN1463548A (en) * | 2001-05-29 | 2003-12-24 | 皇家菲利浦电子有限公司 | Video playback device capable of sharing resources and method of operation |
| WO2004004221A1 (en) * | 2002-06-28 | 2004-01-08 | Thomson Licensing S.A. | Method for establishing a default connection in a network, and associated source and sink devices |
-
2004
- 2004-02-27 CN CNB2004100057909A patent/CN100375512C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1294816A (en) * | 1997-09-18 | 2001-05-09 | 汤姆森消费电子有限公司 | Digital television appts. for controlling peripheral device via digital bus |
| EP1056021A2 (en) * | 1999-05-27 | 2000-11-29 | Sony Corporation | Electronic equipment, method of receiving data, method of transmitting data, method of setting channel and method of grouping electronic equipment into channels |
| CN1463548A (en) * | 2001-05-29 | 2003-12-24 | 皇家菲利浦电子有限公司 | Video playback device capable of sharing resources and method of operation |
| WO2004004221A1 (en) * | 2002-06-28 | 2004-01-08 | Thomson Licensing S.A. | Method for establishing a default connection in a network, and associated source and sink devices |
| CN1411249A (en) * | 2002-11-12 | 2003-04-16 | 俞永涛 | Improved user multiterminal multi service unified access equipment system and its service realizing method |
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