CN110225371A - A kind of storage and transmission method for supporting space separating based on media self attributes - Google Patents
A kind of storage and transmission method for supporting space separating based on media self attributes Download PDFInfo
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- CN110225371A CN110225371A CN201910527137.5A CN201910527137A CN110225371A CN 110225371 A CN110225371 A CN 110225371A CN 201910527137 A CN201910527137 A CN 201910527137A CN 110225371 A CN110225371 A CN 110225371A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26233—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving content or additional data duration or size, e.g. length of a movie, size of an executable file
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4335—Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
Abstract
The present invention provides a kind of storage and transmission method that space separating is supported based on media self attributes, for multimedia content space separating, piecemeal related information is added in MMT, the piecemeal related information is the information for identifying the incidence relation between former multimedia content and its space separating, while piecemeal related information being combined with multimedia content self attributes.The present invention is conducive to accurately index former multimedia content and its space separating content when storing and transmitting, and improves the existing major defect that former multimedia content and its space separating content incidence relation are described dependent on transmission.
Description
Technical field
Method is stored and transmitted the present invention relates to a kind of digital media technology, and in particular, to one kind is in internet
(Internet) method is stored and transmitted with support space separating based on multimedia content self attributes in.
Background technique
With the fast development of digital media technology, explosive growth is presented in the multimedia content generated in internet,
The extensive use of especially 360 degree of panoramic videos and ultrahigh resolution video traffic (such as 4K, 8K etc.), multimedia service is to network
Bandwidth causes heavy burden further.Meanwhile terminal display device is more and more diversified, such as ultra high-definition TV, plate electricity
Brain, smart phone etc., due to the limitation of hardware capabilities, equipment component does not support the decoding and presentation of ultrahigh resolution video.
Current some multi-media protocols are proposed spatially to carry out the video of ultrahigh resolution into piecemeal, be constructed independently of original
The piecemeal video of coding and decoding video, and by way of signaling table in transmission process to the pass between original video and piecemeal video
Connection information is illustrated, and to be directed to different terminal display devices, and wideband condition is combined to support ultrahigh resolution video
It is complete presentation or part present.However, this kind transmits the form of signaling table and the attribute of unbonded multimedia content itself is gone
Consider, the incidence relation between original video and piecemeal video can be only identified in transmission process.Once it is detached from transmission,
Intrinsic contact between original video and piecemeal video spatially just can not embody.In this way, not only break up former view
Frequency is associated with system between piecemeal video, piecemeal video and piecemeal video, is unfavorable for after video piecemeal to multimedia content
Management, and be likely to result in the repetition transmission of cache contents, reduce the efficiency of data transmission and increased network bandwidth on foot
Pressure.In addition, in occupation of a large amount of memory space, there is greatly waste in the utilization of resources in duplicate media content.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide one kind to be based on media self attributes to support space
The storage of piecemeal and transmission method solve existing depend on and transmit to former multimedia content and its space separating incidence relation
Brought problem is described, takes full advantage of multimedia content self attributes and its space separating is effectively stored and high
Effect transmission.
To achieve the above object, the invention adopts the following technical scheme:
The object of the present invention is to provide a kind of to support the storage and biography of space separating based on multimedia content self attributes
Transmission method, specifically: it is directed to multimedia content space separating, piecemeal related information is added in MMT (multimedia terminal), it is described
Piecemeal related information is the information for identifying the incidence relation between former multimedia content and its space separating, while by piecemeal
Related information is combined with multimedia content self attributes, can accurately index former multimedia content when storing and transmitting
And its space separating.
In the present invention, the information for identifying incidence relation between former multimedia content and its space separating that need to be added can
With multiplicity, it is preferable that can be by being realized for following set of information:
Information one: whether instruction multimedia content is multimedia content space separating；
Information two: be used to indicate multimedia space content segmented spaces size and its with former multimedia content relative position
Scale；
Information three: on the basis of information two, the height dimension of multimedia content space separating is indicated and its relative to original
The position of multimedia content in vertical direction；
Information four: on the basis of information three, the width dimensions of multimedia content space separating are indicated and its relative to original
The position of multimedia content in the horizontal direction.
The multimedia content can be video, image, audio etc..
In the present invention, can also have as the method for combining piecemeal related information with multimedia content self attributes more
Kind, it is preferable that it can be by being realized for following two method, the two can be used in combination:
Method one: using former multimedia content and multimedia content space separating as the same media resource Asset, in structure
At Asset media processing units (Media Processing Unit, MPU) encapsulation in add piecemeal related information, melt for
MPU build-in attribute, and label mpu_sequence_number of the media data units in Asset is combined to establish former multimedia
Inherently contacting between content and its space separating；
Method two: using former multimedia content from its space separating as different Asset, conviction table or description are constructed
Son, and combine MPU self attributes, i.e. the mark asset_id of Asset belonging to MPU establishes former multimedia content and its space point
Intrinsic connection between block.
Further, the method one, specifically: enable former MPU and its space separating MPU in the same Asset
Mpu_sequence_number having the same, if therefore want to distinguish former MPU and its space separating MPU, need to add piecemeal association
Information, and specific addition manner can also be varied, it can be by being accounted for by taking lower angle as an example:
1, one is selectively arranged in Media Processing Unit (" mmpu ") Box in MPU encapsulation format
Piecemeal identification field, the field are used to indicate whether the multimedia content is multimedia content space separating.
2, no matter original MPU or its space separating MPU, the Media Processing Unit in MPU encapsulation format
A field is added in a manner of forcing or is optional in (" mmpu ") Box, the field is for identifying former multimedia content and its space
Incidence relation between piecemeal, with the energy unique identification MPU when being related to space separating.
3, classify to former MPU and its space separating MPU, accord in conjunction with the class indication, realized only in a manner of optional
Respective field added to multimedia content space separating MPU, the field for identify former multimedia content and its space separating it
Between incidence relation information, with can unique identification MPU when being related to space separating.
Further, the method two, specifically: enable former MPU and its space separating MPU tool in different Asset
There is identical mpu_sequence_number, and using the self attributes assed_id of MPU as mark original Asset and its sky
Between between piecemeal Asset incidence relation basis, while around piecemeal related information building original Asset and its space separating
Incidence relation between Asset.The expression form of incidence relation can there are many, can be by being accounted for by taking lower angle as an example:
1, it is selectively taken out in the reserved data of description Asset attribute or newly opens up a field, the field is for referring to
Show whether the multimedia content is space separating Asset, to distinguish original Asset and space separating Asset.
2, construct signaling information tile_association_message (), for describe media resource Central Plains Asset with
Space correlation relationship between its space separating Asset.
3, signaling table tile_association_table () is constructed, for describing media resource Central Plains Asset and its sky
Between space correlation relationship between piecemeal Asset.
4, building describes sub- tile_association_descriptor (), for describe media resource Central Plains Asset with
Space correlation relationship between its space separating Asset.
Specifically, the method that stores and transmits for supporting space separating based on multimedia content self attributes, step
It is as follows:
S1: server end prepares former multimedia content and its space separating；
S2: former multimedia content and the incidence relation of its space separating spatially are identified using piecemeal related information；
S3: user requests a certain space separating content of former multimedia content, and client stores the MPU received to this
Ground, and update locally stored database；
S4: user requests the content at other visual angles of former multimedia content, and client checks existing sky in local data base
Between piecemeal content, and according to user demand and piecemeal related information request spatially remaining MPU.
It should be noted that the coding/decoding capability of terminal device limits more matchmakers at the maximum visual angle that client can play
Hold in vivo.Above step is illustrated for using the mode that client drives, and same method can also use server
End drives isotype to realize, it is shown that specific step is as follows:
S1: server end prepares former multimedia content and its space separating；
S2: former multimedia content and the incidence relation of its space separating spatially are identified using piecemeal related information；
S3: server end obtain user terminal device coding/decoding capability, and send adaptation former multimedia content certain
One space separating content；
S4: client stores the MPU received to local, and updates locally stored database；
S5: when server end need to send the content at other visual angles of former multimedia content to user, client is first checked for
Existing space separating content in local data base sends spatially remaining MPU further according to piecemeal related information.
Compared with prior art, the present invention have it is following the utility model has the advantages that
What the present invention provides a kind of based on multimedia content self attributes to support space separating stores and transmits method.
For multimedia content space separating, necessary information is being added in MMT to identify between former multimedia content and its piecemeal
Incidence relation, while piecemeal related information being combined with multimedia content self attributes, be conducive to when storing and transmitting all
Former multimedia content and its space separating can accurately be indexed, improve it is existing dependent on transmission to former multimedia content and its
The major defect that space separating incidence relation is described.
Further, using the technology in the present invention, since multimedia content self attributes are integrated to space separating
Description in, maintain and establish former multimedia content and its space separating, multimedia content space separating and multimedia content
Association system between space separating, even if being detached from transmission, consolidating spatially between former multimedia content and its space separating
It is related still and exists, is conducive to the management after multimedia content space separating to multimedia content, improves valid data and deposit
The efficiency of storage and transmission, alleviates the pressure of network bandwidth.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is piecemeal related information example schematic in one embodiment of the invention；
Fig. 2 is one schematic diagram of specific embodiment that piecemeal incidence relation is constructed in one embodiment of the invention；
Fig. 3 is two schematic diagram of specific embodiment that piecemeal incidence relation is constructed in one embodiment of the invention；
Fig. 4 is the example signal of payload header construction in change MMT agreement transmission packet in one embodiment of invention
Figure；
Fig. 5 is the embodiment flow chart stored and transmitted using the technology of the present invention realization piecemeal content.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Nowadays, Internet technology develops rapidly, and to support fluidisation transmission, carries out fragmentation to multimedia content in the time domain
The thought and technology of processing gradually tend to be mature.However, along with the emerging of 360 degree of panoramic videos and ultrahigh resolution video traffic
It rises, multimedia service causes heavy burden further to network bandwidth.Meanwhile terminal display device is varied, and its is right
The decoding capability of ultrahigh resolution video is irregular.Therefore, piecemeal storage and biography are carried out to multimedia content in spatial domain
Defeated technology has become the trend of development.How as in time domain, to piecemeal treated multimedia content in spatial domain
Fragment is identified, and establishes the intrinsic connection for storing and transmitting, and is a problem to be solved.
It particularly relates to the multimedia content of space separating is varied, including video, image etc., in the present invention with
It is illustrated for video.Server end stores original video and its space separating video, tries the category from multimedia content itself
Property set out, identify the incidence relation between original video and space separating video, space separating video and space separating video, building
Storage and transmission method suitable for multimedia content space separating.In conjunction with personal preference, the ability of terminal display device and
Network bandwidth etc., user can request original video or its piecemeal video.If the requested video of user spatially has portion
Divide and be cached in terminal device, and remainder is also separate storage in server end, then system is only needed by based on multimedia
Content needed for the space correlation relationship of content self attributes is transmitted to user.
In view of the above problems, can efficiently solve by the following method: piecemeal related information is reasonably added, for marking
Know the information of incidence relation between original video and its space separating video, piecemeal related information can multiplicity, such as can by with
It is realized for next group information, in which:
Is_tile: indicate whether the multimedia content is space separating video；
Tile_scale_height: in height indicate space separating sdi video size and its with original video phase
To the scale of position；
Tile_scale_width: for indicating space separating sdi video size and its opposite with original video on the width
The scale of position；
Tile_height_top, tile_height_bottom: on the basis of tile_scale_height, instruction is empty
Between piecemeal video height dimension and its position relative to original video in vertical direction；
Tile_width_left, tile_width_right: on the basis of tile_scale_width, space is indicated
The width dimensions of piecemeal video and its position relative to original video in the horizontal direction.
In following embodiment for convenience, above-mentioned component masses related information description is quoted, but in other implementations
Example in, can also with or may be other information.
By taking MMT as an example, piecemeal related information, i.e. is_tile, tile_scale_height, tile_ are reasonably added
scale_width、tile_height_top、tile_height_bottom、tile_width_left、tile_width_
Right, and combine MPU self attributes asset_id, mpu_sequence_number building multimedia content (hereinafter with video
For business) and its space separating between intrinsic incidence relation.
In some embodiments of the invention, specific implementation includes following two aspect:
One, the establishment of piecemeal related information
In order to describe the incidence relation between original video and space separating video, it is necessary to necessary identification information is added,
That is piecemeal related information.Preferably, it can according to need and reasonably add following field:
1.is_tile (1bit): indicate whether the MPU is space separating video.
Value is " 1 ", illustrates that the MPU unit is the space separating of complete video；
Value is " 0 ", illustrates that the MPU unit is complete video.
2.tile_scale_height (8bits): in height indicate space separating MPU bulk and its with
The scale of the complete relative position MPU, value range are " 1-255 ".
3.tile_scale_width (8bits): on the width indicate space separating MPU bulk and its with it is complete
The scale of the whole relative position MPU, value range are " 1-255 ".
4.tile_height_top (8bits): on the basis of tile_scale_height, space separating MPU is indicated
Scale unit number of the upper edge relative to the complete upper edge MPU, value range are " 0-254 "；
5.tile_height_bottom (8bits): on the basis of tile_scale_height, space separating is indicated
Scale unit number of the lower edge MPU relative to the complete upper edge MPU, value range are " 1-255 ".
6.tile_width_left (8bits): on the basis of tile_scale_width, instruction space separating MPU is left
Scale unit number of the edge relative to complete MPU left margin, value range are " 0-254 "；
7.tile_width_right (8bits): on the basis of tile_scale_width, space separating MPU is indicated
Along the scale unit number relative to complete MPU left margin, value range is " 1-255 " on the right.
It should be noted that being only illustrated by taking above-mentioned field as an example to piecemeal related information in the present invention, not office
It is limited to the above field and its size.In order to better understand the meaning of the above field, reference can be made to attached application example shown in FIG. 1.
Two, incidence relation between original video and piecemeal video is constructed
For the incidence relation between building original video and space separating video, can go to consider from following two angle:
1. increasing the build-in attribute of MPU, with identifier space piecemeal incidence relation；
2. having attribute using MPU itself, and combine signaling information with identifier space piecemeal incidence relation.
Therefore, specific embodiment can have following two, and the two can be used in combination:
Scheme one: using original video and its space separating video as the same Asset, as shown in Fig. 2.It is encapsulated in MPU
Middle addition piecemeal related information melts as MPU build-in attribute, and combines that mpu_sequence_number establishes original video and it is empty
Between intrinsic connection between piecemeal video.
Due to piecemeal related information specific addition manner can there are many, it is preferable that accounted for from lower angle:
1) piecemeal identification field is added, selectively to distinguish original MPU and its space separating MPU.Using by is_tile as
For piecemeal identification field, as a preferred embodiment, it can use and be identified as follows:
2) no matter original MPU or its space separating MPU, the mpu_ all in a manner of enforceable in " mmpu " Box
Respective field is added after sequence_number, which is used to identify the pass between former multimedia content and its space separating
The information of connection relationship, with the energy unique identification MPU when being related to space separating.With add field tile_scale_height,
tile_scale_width、tile_height_top、tile_height_bottom、tile_width_left、tile_
For width_right, as a preferred embodiment, it can use and be identified as follows:
3) classify to former MPU and its space separating MPU, accord in conjunction with the class indication, realized only in a manner of optional
Respective field added to multimedia content space separating MPU, the field for identify former multimedia content and its space separating it
Between incidence relation information, with can unique identification MPU when being related to space separating.Is_tile to be accorded with as class indication,
And add field tile_scale_height, tile_scale_width, tile_height_top, tile_height_
It, can be using as follows as a preferred embodiment for bottom, tile_width_left, tile_width_right
It is identified:
Melt due to being added to the above field in the encapsulation of MPU as its build-in attribute, then mpu_sequence_number is not
It is enough the unique identification MPU in Asset again.Therefore, in transmission process, if wanting to be transmitted as unit of MPU, it is necessary to
The above field is combined with mpu_sequence_number, with the unique identification MPU in same Asset.For example, sharp
When carrying out being packaged transmission with MMT agreement, the payload header in packet can be transmitted in MMT agreement and open up new field, according to application
Demand neatly adds corresponding piecemeal related information.Specific example is as shown in Figure 4, wherein " t " refers to field is_tile；
The reserved field of " reserved " reference 7bits；" tile_scale_h " refers to field tile_scale_height；"tile_
Scale_w " refers to field tile_scale_width；" tile_height_t " refers to field tile_height_top；
" tile_height_b " refers to field tile_height_bottom；" tile_width_l " refers to field tile_width_
left；"tile_width_r"tile_width_right.
Scheme two: using original video from its space separating video as different Asset, as shown in Fig. 3.The property of can choose
Ground adds piecemeal identification field, building conviction information, signaling table or description, and combines MPU self attributes asset_id true
Inherently contacting between vertical original video and its space separating video.
1) piecemeal identification field
In scheme two, the addition of piecemeal identification field is more flexible.A kind of application example is given below, i.e., it is single based on providing
The signaling table MP_table () of a data packet consumption information needed, takes out a bit in the reserved field of description Asset and makees
For piecemeal identification field is_tile.It is as follows:
When is_tile value is " 1 ", represents the Asset and belong to space separating.
2) due to combining multimedia content self attributes to state incidence relation between original video and its space separating video
Signaling information, signaling table and description son specific manifestation form can there are many kinds of, it is preferable that can be respectively referring to following three
Kind form:
Signaling information form: building signaling information tile_association_message () describes media resource Central Plains
Incidence relation between Asset and its space separating Asset.As a preferred embodiment, form as follows can be used:
Signaling sheet form: building signaling table tile_association_table (), description media resource Central Plains Asset with
Incidence relation between its space separating Asset.As a preferred embodiment, form as follows can be used:
The above signaling information, signaling table example in, the field in addition to above having provided definition, tiledasset_
Number is indicated by the sum of the former Asset of space separating；First asset_id () instruction is belonging to space separating Asset
Former Asset asset_id；Tile_scale_number indicates the scale type supported by the former Asset of space separating
Number；Tile_number indicates the space separating number based on certain scale；Second asset_id () indicates space separating Asset's
asset_id。
Describe sub- form: addition describes sub- tile_association_descriptor (), with identifier space piecemeal
Asset and the incidence relation of original Asset spatially.As a preferred embodiment, tile_association_descriptor
The syntactic definition of () is as follows:
In the example of the sub- form of above description, field in addition to above having provided definition, asset_id () instruction should
By the asset_id of the former Asset of space separating belonging to Asset.If the Asset itself is the original before space separating
Asset can be identified there are many mode, such as set field asset_id () to the asset_id of its own.
The specific point of addition for describing sub- tile_association_descriptor () can be according to peace flexible in application
Row.It for example, can be based on the signaling table MP_table () of single data packet consumption information needed be provided, in MP_table
Addition tile_association_descriptor () is in the asset_descriptors { } of () to identify the space separating
Asset and the incidence relation of original Asset spatially.
Based on above-mentioned statement, a specific application example is given below:
For clearly illustrate proposed in the present invention based on multimedia content self attributes to support space separating
Method is stored and transmitted, Fig. 5 combines the above method of scheme one and the signaling information form in scheme two, and uses client
A concrete implementation process has been illustrated in the mode of driving.
As seen from Figure 5, complete video is spatially divided into quarter by server end, has distinguished space separating view
Frequently 1,2,3,4, and identify with piecemeal related information the attribute of each video.
When client login service, server end can send signaling information, and then client receives and parses through tile_
Association_message (), CI and html file, and update the MPU storing data library of local maintenance.
When user requests the video of space separating 1, client is by checking tile_association_message ()
The asset_id () of Asset belonging to space separating 1 is found out, and requests MPU and storage under the Asset to server end
User locally is being played to, and is updating local data base.
When the requested video content of user includes space separating 1 and space separating 2 simultaneously, by checking tile_
Association_message () and local data base, obtain the asset_id () of Asset belonging to space separating 2, and to
Server end requests the MPU fragment for belonging to space separating 2.
After client receives the video of space separating 2, the requested media of user are reassembled as with the video of space separating 1
Content.
Above section embodiment of the present invention illustrates proposed solution, but these schemes are equally by taking MMT as an example
It can be used in other Document encapsulations, Transmission system and agreement.
It should be understood that above embodiments are the section Examples that part of the invention is directed to video multimedia content, this
Invention is equally applicable to storing and transmitting for other multimedia content, such as image etc..This is to those skilled in the art
It is that by.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (10)
1. storage and the transmission method of a kind of multimedia content, which is characterized in that
Former multimedia content and its corresponding multimedia content space separating are indexed using piecemeal related information, thus
Multimedia content is stored and is transmitted,
Wherein, the piecemeal related information is incorporated into the self attributes information of multimedia content,
The piecemeal related information is used to identify the incidence relation between former multimedia content and its multimedia content space separating.
2. storage and the transmission method of multimedia content according to claim 1, which is characterized in that
The multimedia content of storage and transmission be former multimedia content and/or with multimedia corresponding to former multimedia content
Content space piecemeal.
3. storage and the transmission method of multimedia content according to claim 1, which is characterized in that the piecemeal to be associated with
Information, which is incorporated into the self attributes information of multimedia content, to be included the following steps:
Using former multimedia content and multimedia content space separating as identical media resource, in the envelope of multi-media processing unit
Piecemeal related information is added in dress, wherein the original multimedia content and multimedia content space separating are by multi-media processing
Unit composition.
4. storage and the transmission method of multimedia content according to claim 1, which is characterized in that the piecemeal to be associated with
Information, which is incorporated into multimedia content, to be included the following steps:
Using former multimedia content from multimedia content space separating as different media resources, conviction table or description are constructed,
Former multimedia content and its multimedia content space separating are established by the mark of media resource belonging to multi-media processing unit
Between intrinsic connection.
5. storage and the transmission method of multimedia content according to claim 1, which is characterized in that
The piecemeal related information includes:
Information one: whether instruction multimedia content is multimedia content space separating；
Information two: the bulk of instruction multimedia content space separating and its scale with former multimedia content relative position.
6. storage and the transmission method of multimedia content according to claim 5, which is characterized in that
The bulk for indicating multimedia content space separating and its side with the scale of former multimedia content relative position
Method includes: the height dimension for indicating multimedia content space separating and its position relative to former multimedia content in vertical direction
It sets, and indicates the width dimensions of multimedia content space separating and its position relative to former multimedia content in the horizontal direction
It sets.
7. storage and the transmission method of a kind of multimedia content, which comprises the steps of:
Prepare former multimedia content and its multimedia content space separating；
Former multimedia content and the incidence relation of multimedia content space separating spatially are identified using piecemeal related information；
The a certain multimedia content space separating for requesting multimedia content, the media processing units received are stored, and
Update storage database；
According to multimedia content space separating information existing in user demand, storing data library and piecemeal related information, request
Remaining media processing units；
Wherein, the piecemeal related information is incorporated into the self attributes information of multimedia content, it is described original multimedia content and
Multimedia content space separating is made of multi-media processing unit.
8. storage and the transmission method of multimedia content according to claim 7, which is characterized in that the preparation multimedia
Content and its multimedia content space separating include following sub-step:
Source contents are divided into subimage sequence；
The subset of the area of space of each subimage sequence covering omnidirectional's video content；
Each subimage sequence is encoded to single layer bit stream independently of one another；
Each subgraph bit stream is packaged in file as track and is used to transmit as a stream；
Each track can be decoded independently.
9. a kind of storage and transmission method based on multimedia content, which comprises
Prepare former multimedia content and its multimedia content space separating；
Former multimedia content and its incidence relation of multimedia content space separating spatially are identified using piecemeal related information；
The coding/decoding capability of terminal device is obtained, and sends multimedia content space separating；
Media processing units are stored, and update storage database；
According to multimedia content space separating existing in storing data library and piecemeal related information, remaining media handling is sent
Unit；
Wherein, the piecemeal related information is incorporated into the self attributes information of multimedia content, the multimedia content and more
Media content space separating is made of multi-media processing unit.
10. storage and the transmission method of multimedia content according to claim 9, which is characterized in that described to prepare more matchmakers
Hold in vivo and its multimedia content space separating include following sub-step:
Source contents are divided into subimage sequence；
The subset of the area of space of each subimage sequence covering omnidirectional's video content；
Each subimage sequence is encoded to single layer bit stream independently of one another；
Each subgraph bit stream is packaged in file as track and is used to transmit as a stream；
Each track can be decoded independently.
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