CN101937695A - Rich media business example playing method and file player - Google Patents
Rich media business example playing method and file player Download PDFInfo
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Abstract
The invention relates to a rich media business example playing method, comprising the following steps: loading a rich media file into a memory and reading the file header of the rich media file; judging whether the file header comprises a rich media file identifier used for identifying the rich media file; if yes, reading an example file block in the file content of the rich media file and determining the number of business example layers and example presentation parameters in the rich media file; and carrying out presentation according to the example presentation parameters of the business example at each layer and the object presentation parameters of content objects defined in the business example. The invention also relates to a rich media file player. When playing the rich media file with multiple business examples, the invention determines the presentation mode of each content object in each business example according to the example file block in the rich medial file, wherein the example file block plays a role in indexing the content object; and the locating and reading speeds are quicker when the presentation is carried out by taking the original media content and interactive content as the content objects.
Description
Technical field
The present invention relates to the media technology, relate in particular to a kind of rich media service scene player method and file player.
Background technology
Development along with the technology of broadband network, encoding and decoding, flow transmission, now occurred having the applied business form-rich media service that enriches expressive force and interactivity, this business comprises one or several combination of following common form: the interactive script of animation, sound, video, polar plot, image, literal and realization, and possessed good interactivity.
The content that player can read in the rich media file when traditional rich media file was play in this locality is play, but development along with technology, in rich media file except content, also increased the business scenario that interaction capabilities or business information are provided, this business scenario can comprise a plurality of in rich media file, but there are two problems in the increase mode of existing business scenario, the one, when generation comprises the rich media file of scene, need to change former media content, cause rich media file to adjust to business scenario, the 2nd, during the business scenario of player in reading rich media file, owing to may comprise a plurality of scenes in the rich media file, and a plurality of objects might be arranged in each scene, therefore speed is slower when read the location and play.
Summary of the invention
The objective of the invention is to propose a kind of rich media service scene player method and file player, can have the rich media file of business scenario in broadcast, positioning service scenario resources is faster play.
For achieving the above object, the invention provides a kind of rich media service scene player method, comprising:
Rich media file in the local memory storage is written into internal memory, and reads the file header of described rich media file, described rich media file comprises file header and file content, comprises document scene piece and content object piece in the described file content;
Judging whether described file header comprises is used to identify the identifier that described rich media file is a rich media file, be the document scene piece that then reads in the file content of described rich media file, determine that the number of plies of the business scenario that described rich media file comprises and scene represent parameter;
The object that represents the content object that defines in parameter and the business scenario according to the scene of every layer business scenario represents parameter and represents.
Further, comprise at least one business scenario layer in the described document scene piece, described content object piece comprises at least one track, comprises content object in each track.
Further, the described operation that represents described business object is specially:
Read the content object piece and the track at the place of content object described in the business scenario, and according to described content object piece and tracks positioned and read described content object;
The object that represents parameter and described content object according to the scene of described business scenario represents parameter and carries out representing of described content object.
Further, described content object comprises one or more in audio frequency, video, picture and the literal.
Further, described scene represents parameter and comprises that scene represents time and scene display format, and described object represents parameter and comprises that object represents the interactive mode that time, object display format, object motion mode and object are supported.
Further, described scene display format comprises that scene display width, scene show one or more in height, scene color and the scene transparency, described object display format comprises one or more in object reference position, object fill color, the outside lines of object, the outside line color of object, subjects transparent degree and the object end position, and the interactive mode of described object support comprises the triggering mode of object support and the scene numbering of triggering.
For achieving the above object, the invention provides a kind of rich media file player, comprising:
Internal memory insmods, and is used for the rich media file of local memory storage is written into internal memory, and described rich media file comprises file header and file content, comprises document scene piece and content object piece in the described file content;
The file header read module is used to read the file header of described rich media file;
Rich Media's judge module is used to judge whether described file header comprises is used to identify the identifier that described rich media file is a rich media file;
Document scene piece read module, be used for when described Rich Media judge module judges that described file header comprises described identifier, read the document scene piece in the file content of described rich media file, determine the number of plies and the scene ways of presentation of the business scenario that described rich media file comprises;
Business scenario represents module, is used for representing according to the scene ways of presentation of every layer business scenario and the object ways of presentation of the content object that business scenario defines.
Further, comprise at least one business scenario layer in the described document scene piece, described content object piece comprises at least one track, comprises content object in each track, and described business scenario represents module and comprises:
The content object positioning unit is used to read the blocks of files and the track at the place of content object described in the business scenario, and according to described blocks of files and tracks positioned and read described content object
The content object reading unit is used for reading described content object according to described blocks of files and track;
Contents of object represents the unit, is used for object that scene according to described business scenario represents parameter and described content object and represents parameter and carry out representing of described content object.
Based on technique scheme, when the present invention has the rich media file of a plurality of business scenarios in broadcast, determine the ways of presentation of each content object in each business scenario according to the document scene piece in the rich media file; Wherein the document scene piece plays the effect of index to content object, and when former media content and interaction content were all represented as content object, the speed of locating and reading was faster.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the synoptic diagram of a kind of file structure example of rich media file of the present invention.
Fig. 2 is the synoptic diagram of a kind of structure example of document scene piece of the present invention.
Fig. 3 is the schematic flow sheet of an embodiment of rich media service scene player method of the present invention.
Fig. 4 represents the schematic flow sheet of process for business object among another embodiment of rich media service scene player method of the present invention.
Fig. 5 is the structural representation of an embodiment of rich media file player of the present invention.
Fig. 6 represents the concrete structure synoptic diagram of module for business scenario among another embodiment of rich media file player of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
If existing former media file wishes to add some scene informations, for example during some indicative or tendentious information, often need former media file and scene information are merged, the mode of this merging not only is difficult to provide interaction function, more can change former media file, if for abundanter interactive service is provided, may wish to eliminate the scene information or the change scene information of the media file after the merging, then very difficult.
Adopt a kind of new rich media file among the present invention, in this rich media file, can comprise business scenario and media content, as shown in Figure 1, be the synoptic diagram of a kind of file structure example of rich media file of the present invention.In this example, rich media file comprises file header and file content two large divisions, wherein comprises identification field in the file header, and whether be used to identify this document is rich media file, can also comprise contents such as version number, file size, file header end mark in the file header, as shown in the table:
File content adopts the structure of piecemeal, then mainly comprises document scene piece and content object piece two parts, and wherein the content object piece can have polytype, for example video, audio frequency, picture, text etc.In every type content object piece, at least one content object can be arranged, be located at respectively in the corresponding track, both can locate certain concrete content object according to the numbering of content object piece and the numbering of track.
Document scene piece and content object piece all can adopt similar file header form, for example following table:
The file content piece is made up of track, and the file header of each track content is following table for example:
In the scene blocks of files, can comprise at least one business scenario layer, at least can comprise in each business scenario layer that scene represents the index information of parameter and content object and the object of content object represents parameter, wherein scene represents parameter and comprises that mainly scene represents time and scene display format, and wherein scene display format can comprise that scene display width, scene show one or more in height, scene color and the scene transparency.
In each business scenario layer, can comprise a plurality of content objects, as shown in Figure 2, be the synoptic diagram of a kind of structure example of document scene piece of the present invention.Type, address (being used for this content object of index) and the object that can comprise each content object at the business scenario layer represent parameter.Wherein object represents parameter and can comprise that object represents the interactive mode that time, object display format, object motion mode and object are supported.Object display format can comprise one or more in object reference position, object fill color, the outside lines of object, the outside line color of object, subjects transparent degree and the object end position, and the interactive mode of object support comprises the triggering mode of object support and the scene numbering of triggering.A formation example of concrete business scenario layer is as shown in the table:
Above-mentioned rich media file can carry out index as content object by business scenario with former media file and some interaction contents when generating, and does not need former media file is changed.Based on such rich media file, the invention provides the embodiment of player method, as shown in Figure 3, be the schematic flow sheet of an embodiment of rich media service scene player method of the present invention.At present embodiment, player method comprises:
If comprising, step 103 file header is used to identify the identifier that described rich media file is a rich media file, then read the document scene piece in the file content of described rich media file, determine that the number of plies of the business scenario that described rich media file comprises and scene represent parameter;
In the present embodiment, determine at first whether the rich media file that is written into is the rich media file of real meaning, this is when being written into media file owing to common player, normally earlier come identification by the suffix name of file, and some media file may not have the file layout of aforementioned rich media file, making can't normal play, therefore need discern by step 102.After determining rich media file, then read the content of document scene piece.Rich media file is not the identifier of rich media file if file header does not comprise sign, then can play or point out error message according to the generic media file.
The index function that the document scene piece has played content object is mentioned in the front, can utilize and taste the forbidden fruit blocks of files and locate and the reading of content object, the document scene piece is not limited to index function, scene represents the mode that represents with object but also provide more specifically, and for example scene represents time, motion of objects mode etc.This just makes rich media file can carry the more interactive function of horn of plenty, for former media file, also can be used as one or more content objects represents, and do not need former media file self coding is made amendment, the other guide object comprises that the content object that interactive function is provided also can adopt international coding standard to encode, for example picture adopts the standard packaging of JPEG, GIF, PNG, audiovisual content encapsulates according to the ISO-IEC-14496-12 standard, and word content adopts Unicode coding etc.
As shown in Figure 4, represent the schematic flow sheet of process for business object among another embodiment of rich media service scene player method of the present invention.The business object of present embodiment represents process and comprises:
Mentioning content object when the front is introduced the form of rich media file can position by the numbering of content object piece and the numbering of track, then utilized this locator meams to read the content corresponding object in the present embodiment, this mode can be unique certain content object piece of location, thereby read this content object rapidly, and utilize corresponding scene to represent parameter and object to represent parameter and change representing of content object.No matter this locator meams has the content object of several types all can locate rapidly in the rich media file, and then improves the speed that reads and play.
For instance, played in full screen interactive information when rich media file wishes to play below the back 5 minutes screen of the beginning in certain video static advertising and 52 minutes when generating, then utilize the form of rich media file can be with this video, advertisement and interactive information are all encoded respectively as content object and are deposited the content object piece in, and the memory location of in the business scenario layer of scene blocks of files, writing down each content object, and define the ways of presentation of each content object, for example for this video, the object of this video can be represented time and scene and represent the time and can be made as 0 value, i.e. expression shows always; For the static advertising part that adopts image, the object that this image then can be set represents time, time starting point, object and position etc. occurs; For interactive information, the scene display mode of this interactive information, the triggering mode of object support, the scene that is triggered etc. can be set then.
Rich Media's player just can adopt the embodiment of aforesaid rich media service scene player method to play when playing the rich media file of above-mentioned example.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The present invention gives several embodiment of concrete rich media file player except having provided several player method embodiment, as the structural representation of Fig. 5 for an embodiment of rich media file player of the present invention.In the present embodiment, the rich media file player can comprise: internal memory insmods 1, file header read module 2, Rich Media's judge module 3, document scene piece read module 4 and business scenario represent module 5.
Internal memory insmods and 1 is used for the rich media file of local memory storage is written into internal memory, and described rich media file comprises file header and file content, comprises document scene piece and content object piece in the described file content.File header read module 2 is used to read the file header of described rich media file.Rich Media's judge module 3 is used to judge whether described file header comprises is used to identify the identifier that described rich media file is a rich media file.Document scene piece read module 4 is used for when described Rich Media judge module judges that described file header comprises described identifier, read the document scene piece in the file content of described rich media file, determine the number of plies and the scene ways of presentation of the business scenario that described rich media file comprises.Business scenario represents module 5 and is used for representing according to the scene ways of presentation of every layer business scenario and the object ways of presentation of the content object that business scenario defines.
As shown in Figure 6, represent the concrete structure synoptic diagram of module for business scenario among another embodiment of rich media file player of the present invention.Compare with a last embodiment, business scenario in the present embodiment represents module 5 and specifically comprises: content object positioning unit 51, content object reading unit 52 and contents of object represent unit 53, wherein content object positioning unit 51 is used to read the blocks of files and the track at the place of content object described in the business scenario, and according to described blocks of files and tracks positioned and read described content object.Content object reading unit 52 is used for reading described content object according to described blocks of files and track.Contents of object represents unit 53 and is used for object that scene according to described business scenario represents parameter and described content object and represents parameter and carry out representing of described content object.
Rich media file player embodiment of the present invention is when broadcast has the rich media file of a plurality of business scenarios, determine the ways of presentation of each content object in each business scenario according to the document scene piece in the rich media file, the document scene piece plays the effect of index to content object, when former media content and interaction content were all represented as content object, the speed of locating and reading was faster.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (8)
1. rich media service scene player method comprises:
Rich media file in the local memory storage is written into internal memory, and reads the file header of described rich media file, described rich media file comprises file header and file content, comprises document scene piece and content object piece in the described file content;
Judging whether described file header comprises is used to identify the identifier that described rich media file is a rich media file, be the document scene piece that then reads in the file content of described rich media file, determine that the number of plies of the business scenario that described rich media file comprises and scene represent parameter;
The object that represents the content object that defines in parameter and the business scenario according to the scene of every layer business scenario represents parameter and represents.
2. rich media service scene player method according to claim 1 comprises at least one business scenario layer in the wherein said document scene piece, described content object piece comprises at least one track, comprises content object in each track.
3. rich media service scene player method according to claim 2, the wherein said operation that represents described business object is specially:
Read the content object piece and the track at the place of content object described in the business scenario, and according to described content object piece and tracks positioned and read described content object;
The object that represents parameter and described content object according to the scene of described business scenario represents parameter and carries out representing of described content object.
4. rich media service scene player method according to claim 2, wherein said content object comprises one or more in audio frequency, video, picture and the literal.
5. rich media service scene player method according to claim 1, wherein said scene represents parameter and comprises that scene represents time and scene display format, and described object represents parameter and comprises that object represents the interactive mode that time, object display format, object motion mode and object are supported.
6. rich media service scene player method according to claim 5, wherein said scene display format comprises that scene display width, scene show one or more in height, scene color and the scene transparency, described object display format comprises one or more in object reference position, object fill color, the outside lines of object, the outside line color of object, subjects transparent degree and the object end position, and the interactive mode of described object support comprises the triggering mode of object support and the scene numbering of triggering.
7. rich media file player comprises:
Internal memory insmods, and is used for the rich media file of local memory storage is written into internal memory, and described rich media file comprises file header and file content, comprises document scene piece and content object piece in the described file content;
The file header read module is used to read the file header of described rich media file;
Rich Media's judge module is used to judge whether described file header comprises is used to identify the identifier that described rich media file is a rich media file;
Document scene piece read module, be used for when described Rich Media judge module judges that described file header comprises described identifier, read the document scene piece in the file content of described rich media file, determine the number of plies and the scene ways of presentation of the business scenario that described rich media file comprises;
Business scenario represents module, is used for representing according to the scene ways of presentation of every layer business scenario and the object ways of presentation of the content object that business scenario defines.
8. rich media file player according to claim 7, comprise at least one business scenario layer in the wherein said document scene piece, described content object piece comprises at least one track, comprises content object in each track, and described business scenario represents module and comprises:
The content object positioning unit is used to read the blocks of files and the track at the place of content object described in the business scenario, and according to described blocks of files and tracks positioned and read described content object
The content object reading unit is used for reading described content object according to described blocks of files and track;
Contents of object represents the unit, is used for object that scene according to described business scenario represents parameter and described content object and represents parameter and carry out representing of described content object.
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| CN104602116A (en) * | 2014-12-26 | 2015-05-06 | 北京农业智能装备技术研究中心 | Interactive media-rich visual rendering method and system |
| CN104750764A (en) * | 2013-12-31 | 2015-07-01 | 中国移动通信集团福建有限公司 | Cartoon file storage method, cartoon file play method and cartoon file player |
| CN105224628A (en) * | 2015-09-24 | 2016-01-06 | 湖北文理学院 | Based on visual aid player method and the device of sea level elevation |
| CN110148447A (en) * | 2019-05-24 | 2019-08-20 | 苏州爱医斯坦智能科技有限公司 | Rich Media's electronic health record of performing the operation generates and the method and device of playing display |
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| CN102930040A (en) * | 2012-11-13 | 2013-02-13 | 陈奇 | Media multi-dimensional content expressing method |
| CN103500186A (en) * | 2013-09-13 | 2014-01-08 | 北京奇虎科技有限公司 | Method and device for loading pictures in browser and browser |
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| CN104602116A (en) * | 2014-12-26 | 2015-05-06 | 北京农业智能装备技术研究中心 | Interactive media-rich visual rendering method and system |
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| CN105224628A (en) * | 2015-09-24 | 2016-01-06 | 湖北文理学院 | Based on visual aid player method and the device of sea level elevation |
| CN110148447A (en) * | 2019-05-24 | 2019-08-20 | 苏州爱医斯坦智能科技有限公司 | Rich Media's electronic health record of performing the operation generates and the method and device of playing display |
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