CN105472374A - 3D live video realization method, apparatus, and system - Google Patents
3D live video realization method, apparatus, and system Download PDFInfo
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- CN105472374A CN105472374A CN201510808226.9A CN201510808226A CN105472374A CN 105472374 A CN105472374 A CN 105472374A CN 201510808226 A CN201510808226 A CN 201510808226A CN 105472374 A CN105472374 A CN 105472374A
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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
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2362—Generation or processing of Service Information [SI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/261—Image signal generators with monoscopic-to-stereoscopic image conversion
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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]
- H04N21/40—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
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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]
- H04N21/40—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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a 3D live video realization method, apparatus, and system, so that a technical problem that a 3D live effect can not be realized until the current network live video is adjusted greatly according to the current live video realization way can be solved. According to the embodiment of the invention, the method comprises: a 2D video frame corresponding to a video signal that is connected during the network broadcasting process is obtained; the 2D video frame is converted into 3D video frames in a plurality of formats; and 3D video frames in a plurality of formats are distributed to a plurality of 3D video playing clients by a media distribution server for 3D video playing.
Description
Technical field
The present invention relates to 3D play-back technology field, particularly relate to a kind of 3D net cast method, Apparatus and system.
Background technology
3D TV is the abbreviation of 3 D stereoscopic image TV.It utilizes the eyes of people to observe the angle slightly difference of object, therefore, it is possible to distinguish that object is far and near, produce three-dimensional this principle of vision, the image that right and left eyes is seen is separated, thus makes user by anaglyph spectacles or without the need to experiencing stereo perception by anaglyph spectacles (i.e. bore hole).Video live broadcast service is exactly develop on the basis of demand (telecommunication) service.Programs all in VOD service is all store in the server with the form of files in stream media.Program source in video live broadcast service, is generally TV signal.First signal decomposition is picture signal and voice signal by television set box by TV signal, if program source itself is picture signal and voice signal, if the signal exported from equipment such as video tape recorders is just without the need to decomposition.If analog signal, digital signal must be converted to by digital to analog converter.Then digital signal generates live file storage in the server by streaming coding device (can be hardware coder and software encoder).
Net cast in the market mainly contains traditional 3D live telecast of Broadcast and TV system and the 2D net cast of Internet video.The first needs special 3D film source and special 3D TV, and the second then cannot experience the live effect of 3D at all.
But above-mentioned net cast mode, when needing at internet video live broadcasting to carry out 3D net cast, the first needs to carry out large adjustment to whole Internet video, and could to realize 3D live, the second is that directly cannot to realize 3D live, therefore, how not carrying out large adjustment to current network is live, realizing the live effect of 3D, having become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
Embodiments providing a kind of 3D net cast method, Apparatus and system, solve current net cast mode, not carrying out large adjustment to current network is live, the technical problem of the live effect of 3D cannot be realized.
A kind of 3D net cast method that the embodiment of the present invention provides, comprising:
Get the 2D frame of video that the vision signal that accesses in network direct broadcasting process is corresponding;
Described 2D frame of video is converted to the 3D frame of video of multiple form;
The described 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback.
Alternatively, the 3D frame of video described 2D frame of video being converted to multiple form specifically comprises:
Described 2D frame of video is converted to the 3D frame of video of left-right format, top-down format and red blue form.
Alternatively, the 3D frame of video described 2D frame of video being converted to left-right format, top-down format and red blue form specifically comprises:
The described vision signal of described 2D frame of video access is judged, if have access to two same described vision signals in network direct broadcasting process, then two described 2D frame of video corresponding under the same time are carried out left and right or merged up and down, and generate described 3D frame of video, if access does not have same described vision signal in network direct broadcasting process, then copying all described 2D frame of video is corresponding duplicated frame, described duplicated frame and corresponding former 2D frame of video are carried out left and right or merge up and down, and generates described 3D frame of video.
Alternatively, generate described 3D frame of video specifically to comprise:
Generate the described 3D frame of video of double-width or twice height.
A kind of 3D net cast device that the embodiment of the present invention provides, comprising:
Acquiring unit, for getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process;
Converting unit, for being converted to the 3D frame of video of multiple form by described 2D frame of video;
Dispatching Unit, carries out 3D video playback for the described 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server.
Alternatively, converting unit, specifically for being converted to the 3D frame of video of left-right format, top-down format and red blue form by described 2D frame of video.
Alternatively, converting unit comprises:
Judgment sub-unit, for judging the described vision signal of described 2D frame of video access, if have access to two same described vision signals in network direct broadcasting process, then trigger first and merge subelement, if access does not have same described vision signal in network direct broadcasting process, then trigger second and merge subelement;
Described first merges subelement, for carrying out left and right to two described 2D frame of video corresponding under the same time or merge up and down, and triggers generation subelement;
Described second merges subelement, being corresponding duplicated frame, described duplicated frame and corresponding former 2D frame of video being carried out left and right or merging up and down, and triggers described generation subelement for copying all described 2D frame of video;
Described generation subelement, for generating described 3D frame of video.
Alternatively, generate subelement, specifically for generating the described 3D frame of video of double-width or twice height.
A kind of 3D video living transmission system that the embodiment of the present invention provides, comprising:
Live platform, and as the 3D net cast device in claim 6 to 10 as described in any one;
Described live platform, the 2D frame of video that the vision signal for accessing in the network direct broadcasting process that obtains is corresponding;
Described live platform and described 3D net cast device are network service annexation.
Alternatively, described 3D video living transmission system also comprises:
Camera and 3D video playback client;
Described camera is connected with described live Platform communication;
Described 3D video playback end is communicated to connect by media delivery server and described 3D net cast device.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
A kind of 3D net cast method, Apparatus and system that the embodiment of the present invention provides, wherein, 3D net cast method comprises: get the 2D frame of video that the vision signal that accesses in network direct broadcasting process is corresponding; 2D frame of video is converted to the 3D frame of video of multiple form; The 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback.In the present embodiment, by getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process, again 2D frame of video is converted to the 3D frame of video of multiple form, finally the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback, solve current net cast mode, not carrying out large adjustment to current network is live, the technical problem of the live effect of 3D cannot be realized.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of an embodiment of a kind of 3D net cast method that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of another embodiment of a kind of 3D net cast method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of an embodiment of a kind of 3D net cast device that Fig. 3 provides for the embodiment of the present invention;
The structural representation of another embodiment of a kind of 3D net cast device that Fig. 4 provides for the embodiment of the present invention;
The structural representation of an embodiment of a kind of 3D video living transmission system that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is the schematic diagram of application examples embodiment illustrated in fig. 2;
Fig. 7 is the schematic diagram of application examples embodiment illustrated in fig. 5.
Embodiment
Embodiments providing a kind of 3D net cast method, Apparatus and system, solve current net cast mode, not carrying out large adjustment to current network is live, the technical problem of the live effect of 3D cannot be realized.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiments, and the embodiment of not all.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
At present due to the live telecast field of traditional 3D net cast mainly Broadcast and TV system, the main 3D video source that uses is carried out live, and spectators use 3D TV to watch.Internet video live broadcasting all belongs to 2D net cast, cannot reach 3D effect, and therefore 3D net cast of the present invention is applicable to common personal network's net cast, also goes for the internet video live broadcasting of indoor outer large-scale group activity program.Viewer end supports common 3D display+3D glasses viewing, also supports that common mobile phone adds the viewing of split screen mirror simultaneously, has strong third dimension equally.Namely video signal input terminal supports common pickup camera, also supports other instructor in broadcasting's signal or network video signal access.Multi-signal can access, and supports various types of terminal.
Refer to Fig. 1, an embodiment of a kind of 3D net cast method that the embodiment of the present invention provides comprises:
101, the 2D frame of video that the vision signal that accesses in network direct broadcasting process is corresponding is got;
In the present embodiment, when needs are not carrying out large adjustment to current network is live, when realizing the live effect of 3D, first need to get the 2D frame of video that the vision signal that accesses in network direct broadcasting process is corresponding.
102,2D frame of video is converted to the 3D frame of video of multiple form;
After getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process, need 3D frame of video 2D frame of video being converted to multiple form.
103, the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback.
After 3D frame of video 2D frame of video being converted to multiple form, need that the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carry out 3D video playback.
In the present embodiment, by getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process, again 2D frame of video is converted to the 3D frame of video of multiple form, finally the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback, solve current net cast mode, not carrying out large adjustment to current network is live, the technical problem of the live effect of 3D cannot be realized.
The above is described in detail the process of 3D net cast method, process 2D video being turned to 3D video is described in detail below, refers to Fig. 2, and another embodiment of a kind of 3D net cast method that the embodiment of the present invention provides comprises:
201, the 2D frame of video corresponding from the vision signal of camera and/or instructor in broadcasting's platform and/or network video signal accessed in network direct broadcasting process is got by live platform;
In the present embodiment, when needs are not carrying out large adjustment to current network is live, when realizing the live effect of 3D, first need to get by live platform the 2D frame of video corresponding from the vision signal of camera and/or instructor in broadcasting's platform and/or network video signal accessed in network direct broadcasting process.
202, the vision signal of 2D frame of video access is judged, if having access to two same vision signals in network direct broadcasting process, then perform step 203, if access does not have same vision signal in network direct broadcasting process, then perform step 204;
After got the 2D frame of video corresponding from the vision signal of camera and/or instructor in broadcasting's platform and/or network video signal accessed in network direct broadcasting process by live platform, need to judge the vision signal of 2D frame of video access, if have access to two same vision signals in network direct broadcasting process, then perform step 203, if access does not have same vision signal in network direct broadcasting process, then perform step 204.
It should be noted that, the 3D frame of video that 2D frame of video is converted to multiple form can be 3D frame of video 2D frame of video being converted to left-right format, top-down format and red blue form.
203, two 2D frame of video corresponding under the same time are carried out left and right or merged up and down;
When the vision signal accessed 2D frame of video judges, for having access to two same vision signals in network direct broadcasting process, then two 2D frame of video corresponding under the same time are carried out left and right or merged up and down.
The access of two such as common same signals, after same collection signal collects, about the frame first cut the same time at server or merge up and down and become a new frame, then the time of stamping cuts.
204, copying all 2D frame of video is corresponding duplicated frame, and duplicated frame and corresponding former 2D frame of video are carried out left and right or merge up and down;
When the vision signal accessed 2D frame of video judges, for access in network direct broadcasting process does not have same vision signal, then copying all 2D frame of video is corresponding duplicated frame, and duplicated frame and corresponding former 2D frame of video are carried out left and right or merge up and down.
Such as, when only having a road signal access, first at server, frame is carried out to each frame and copy, then the frame after copying and former frame are carried out up and down or left and right and merge into a new frame.
205, the 3D frame of video of double-width or twice height is generated;
When step 203 or 204 frame of video merge after, need the 3D frame of video generating double-width or twice height.
206, the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback.
After the 3D frame of video generating double-width or twice height, need that the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carry out 3D video playback.
Such as the frame of newly-generated double-width or twice height is issued to mobile phone or common 3D display.
In the present embodiment, by getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process, again 2D frame of video is converted to the 3D frame of video of multiple form, finally the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback, solve current net cast mode, large adjustment cannot do not carried out to current network is live, realize the technical problem of the live effect of 3D, and corresponding merging treatment is carried out in the judgement of multi signal, further increases the third dimension of 3D net cast.
When not carrying out large adjustment to existing network is live, just 3D can be realized live.Source signal access is simple, and terminal plays compatibility is high.Low cost just can experience the live effect of 3D.
For the ease of understanding, be described embodiment illustrated in fig. 2 with an embody rule scene below, as shown in Figure 6, application examples comprises:
The following is the scene using left and right split screen mirror viewing:
Collection terminal uses two same pickup cameras, issues by live streaming media mode, plays end and uses mobile phone to add the viewing of split screen mirror.
Collection terminal:
Use the pickup camera that two the same, when carrying out video acquisition to same scene, two pickup camera adjustment angles, the video frame images using two collection sources to collect is enough similar.Then carrying out left and right to two frame of video collected, to be merged into a height the same with former height, and width is the frame of video of the twice of former collection.
Playing end uses mobile phone to play, and uses split screen mirror to watch, and uses left eye viewing video left area like this, video area, right eye viewing the right.Brain just can experience the effect of 3D.
Refer to Fig. 3, an embodiment of a kind of 3D net cast device provided in the embodiment of the present invention comprises:
Acquiring unit 301, for getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process;
Converting unit 302, for being converted to the 3D frame of video of multiple form by 2D frame of video;
Dispatching Unit 303, carries out 3D video playback for the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server.
In the present embodiment, 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process is got by acquiring unit 301,2D frame of video is converted to the 3D frame of video of multiple form by converting unit 302 again, the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback by last Dispatching Unit 303, solve current net cast mode, not carrying out large adjustment to current network is live, the technical problem of the live effect of 3D cannot be realized.
The above is described in detail each unit of 3D net cast device, will refer to Fig. 3 below, and an embodiment of a kind of 3D net cast device provided in the embodiment of the present invention comprises:
Acquiring unit 401, for getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process, acquiring unit 401, specifically for getting the 2D frame of video corresponding from the vision signal of camera and/or instructor in broadcasting's platform and/or network video signal accessed in network direct broadcasting process by live platform.
Converting unit 402, for 2D frame of video being converted to the 3D frame of video of multiple form, converting unit 402, specifically for being converted to the 3D frame of video of left-right format, top-down format and red blue form by 2D frame of video;
Converting unit 402 comprises:
Judgment sub-unit 4021, vision signal for accessing 2D frame of video judges, if have access to two same vision signals in network direct broadcasting process, then trigger first and merge subelement 4022, if access does not have same vision signal in network direct broadcasting process, then trigger second and merge subelement 4023;
First merges subelement 4022, for carrying out left and right to two 2D frame of video corresponding under the same time or merge up and down, and triggers generation subelement 4024;
Second merges subelement 4023, being corresponding duplicated frame, duplicated frame and corresponding former 2D frame of video are carried out left and right or merge up and down, and triggering generating subelement 4024 for copying all 2D frame of video;
Generating subelement 4024, for generating 3D frame of video, generating subelement 4024, specifically for generating the 3D frame of video of double-width or twice height.
Dispatching Unit 403, carries out 3D video playback for the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server.
In the present embodiment, 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process is got by acquiring unit 401, 2D frame of video is converted to the 3D frame of video of multiple form by converting unit 402 again, the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback by last Dispatching Unit 403, solve current net cast mode, large adjustment cannot do not carried out to current network is live, realize the technical problem of the live effect of 3D, and corresponding merging treatment is carried out in the judgement of the multi signal of judgment sub-unit 4021, further increase the third dimension of 3D net cast.
When not carrying out large adjustment to existing network is live, just 3D can be realized live.Source signal access is simple, and terminal plays compatibility is high.Low cost just can experience the live effect of 3D.
Refer to Fig. 5, an embodiment of a kind of 3D video living transmission system provided in the embodiment of the present invention comprises:
Live platform 51, and Fig. 3 and embodiment illustrated in fig. 4 in the 3D net cast device 52 mentioned;
Live platform 51, the 2D frame of video that the vision signal for accessing in the network direct broadcasting process that obtains is corresponding;
Live platform 51 and 3D net cast device 52 are network service annexation.
3D video living transmission system also comprises:
Camera 53 and 3D video playback client 54;
Camera 53 and live platform 51 communicate to connect;
3D video playback end 54 is communicated to connect by media delivery server 55 and 3D net cast device 52.
In the present embodiment, by getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process, again 2D frame of video is converted to the 3D frame of video of multiple form, finally the 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback, solve current net cast mode, large adjustment cannot do not carried out to current network is live, realize the technical problem of the live effect of 3D, and corresponding merging treatment is carried out in the judgement of multi signal, further increases the third dimension of 3D net cast.
When not carrying out large adjustment to existing network is live, just 3D can be realized live.Source signal access is simple, and terminal plays compatibility is high.Low cost just can experience the live effect of 3D.
Below in conjunction with Fig. 7 to the description carrying out application examples embodiment illustrated in fig. 5:
A) live software is by access pickup camera, Dao Botai, network video signal, by common YVU, RGB or sdi signal are by USB, and capture card accesses the live instrument of YY of live computer, by the live instrument of YY by 2D frame of video by mailing to Streaming Media Cloud Server;
B), after receiving 2D video sail on Streaming Media Cloud Server, 2D frame of video is converted to multiple dissimilar 3D frame of video (left-right format, top-down format, red blue form), then sends this 3D frame of video to media delivery server;
C) spectators are by the left-right format 3D video flowing of mobile phone YY client subscription media delivery server;
D) common volume light 3D TV, plays end by the YY in supporting TV box, subscribes to the volume light formula 3D video flowing in media delivery server;
E) shutter 3D TV is by the YY player in supporting TV box, subscribes to the shutter 3D video flowing in media delivery server;
F) spectators coordinate split screen mirror by mobile phone YY, can watch the video flowing of the left-right format that mobile phone YY receives, have 3D viewing effect;
G) viewer end plays end by the YY in TV box, the 3D vision signal of subscribing to is shown on 3D display, and coordinates 3D glasses to watch, have 3D viewing effect.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a 3D net cast method, is characterized in that, comprising:
Get the 2D frame of video that the vision signal that accesses in network direct broadcasting process is corresponding;
Described 2D frame of video is converted to the 3D frame of video of multiple form;
The described 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server and carries out 3D video playback.
2. 3D net cast method according to claim 1, is characterized in that, the 3D frame of video that described 2D frame of video is converted to multiple form is specifically comprised:
Described 2D frame of video is converted to the 3D frame of video of left-right format, top-down format and red blue form.
3. 3D net cast method according to claim 2, is characterized in that, the 3D frame of video described 2D frame of video being converted to left-right format, top-down format and red blue form specifically comprises:
The described vision signal of described 2D frame of video access is judged, if have access to two same described vision signals in network direct broadcasting process, then two described 2D frame of video corresponding under the same time are carried out left and right or merged up and down, and generate described 3D frame of video, if access does not have same described vision signal in network direct broadcasting process, then copying all described 2D frame of video is corresponding duplicated frame, described duplicated frame and corresponding former 2D frame of video are carried out left and right or merge up and down, and generates described 3D frame of video.
4. 3D net cast method according to claim 3, is characterized in that, generates described 3D frame of video and specifically comprises:
Generate the described 3D frame of video of double-width or twice height.
5. a 3D net cast device, is characterized in that, comprising:
Acquiring unit, for getting 2D frame of video corresponding to the vision signal that accesses in network direct broadcasting process;
Converting unit, for being converted to the 3D frame of video of multiple form by described 2D frame of video;
Dispatching Unit, carries out 3D video playback for the described 3D frame of video of multiple form is distributed to multiple 3D video playback client by media delivery server.
6. 3D net cast device according to claim 5, is characterized in that, converting unit, specifically for described 2D frame of video being converted to the 3D frame of video of left-right format, top-down format and red blue form.
7. the 3D net cast device according to claim 5 or 6, it is characterized in that, converting unit comprises:
Judgment sub-unit, for judging the described vision signal of described 2D frame of video access, if have access to two same described vision signals in network direct broadcasting process, then trigger first and merge subelement, if access does not have same described vision signal in network direct broadcasting process, then trigger second and merge subelement;
Described first merges subelement, for carrying out left and right to two described 2D frame of video corresponding under the same time or merge up and down, and triggers generation subelement;
Described second merges subelement, being corresponding duplicated frame, described duplicated frame and corresponding former 2D frame of video being carried out left and right or merging up and down, and triggers described generation subelement for copying all described 2D frame of video;
Described generation subelement, for generating described 3D frame of video.
8. 3D net cast device according to claim 7, is characterized in that, generates subelement, specifically for generating the described 3D frame of video of double-width or twice height.
9. a 3D video living transmission system, is characterized in that, comprising:
Live platform, and as the 3D net cast device in claim 5 to 8 as described in any one;
Described live platform, the 2D frame of video that the vision signal for accessing in the network direct broadcasting process that obtains is corresponding;
Described live platform and described 3D net cast device are network service annexation.
10. 3D video living transmission system according to claim 9, is characterized in that, described 3D video living transmission system also comprises:
Camera and 3D video playback client;
Described camera is connected with described live Platform communication;
Described 3D video playback end is communicated to connect by media delivery server and described 3D net cast device.
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