CN104639979A - Video sharing method and system - Google Patents
Video sharing method and system Download PDFInfo
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- CN104639979A CN104639979A CN201310573585.1A CN201310573585A CN104639979A CN 104639979 A CN104639979 A CN 104639979A CN 201310573585 A CN201310573585 A CN 201310573585A CN 104639979 A CN104639979 A CN 104639979A
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- data
- terminal
- camera terminal
- viewing terminal
- encapsulation
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Classifications
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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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
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
Abstract
The invention provides a video sharing method and system. The method includes: acquiring at least one frame of original picture; cutting each acquired frame of original picture to obtain the picture with resolution equal to preset resolution; subjecting source data of the picture with the resolution equal to the preset resolution to video coding on a shooting terminal; packaging the coded source data and transmitting the acquired packaged data to a watching terminal; subjecting the packaged data to decoding and displaying on the watching terminal. Compared with the method that picture data are directly converted into image data in the prior art, the video sharing method has the advantages that the amount of the picture data can be effectively reduced, network load can be alleviated, and transmission delay can be reduced under the premise that resolution of the transmission pictures is guaranteed.
Description
Technical field
The application relates to video sharing technology, particularly relates to a kind of video sharing method and system based on captured in real-time.
Background technology
Along with the development of network technology and data transmission technology, increasing user habit utilizes the terminal equipment capture video such as mobile phone and shares with other users in network.
In prior art, after terminal utilizes camera collection to picture, directly the data of every frame picture are converted to the image data of forms such as (jpg, Joint Photographic Experts GROUP), then image data is transferred to viewing end play.
Find in the research of prior art, when user utilizes prior art to share video, after the data of picture are converted to image data, data volume is still comparatively large, and therefore cause data traffic in network huge, offered load is heavier, and efficiency of transmission is low.When the image carrying out captured in real-time to multiple user is shared, video pictures more can be delayed, poor real, and causes the image quality definition of output not high.
Summary of the invention
In view of this, in order to solve the problem, the application provides a kind of video sharing method and system, the video pictures of camera terminal can be transferred to viewing terminal and carry out real-time sharing.
A kind of video sharing method, comprising:
Camera terminal gathers at least one frame raw frames;
Camera terminal carries out cutting to the every frame raw frames collected, and obtains the picture that resolution equals preset resolution;
Camera terminal equals the picture of preset resolution source data to described resolution carries out Video coding, obtains the source data after encoding;
Source data after described coding is carried out package by camera terminal, obtains encapsulation of data;
Described encapsulation of data is transferred at least one viewing terminal by camera terminal;
Described encapsulation of data carries out decoding and showing by viewing terminal.
A kind of video sharing system, comprising: camera terminal and viewing terminal;
Described camera terminal comprises:
Collecting unit, for gathering at least one frame raw frames;
Cutting unit, for carrying out cutting to the every frame raw frames collected, obtains the picture that resolution equals preset resolution;
Coding unit, the source data that the described resolution for cutting out described cutting unit equals the picture of preset resolution is encoded, and obtains the source data after encoding;
Packet element, for the source data after described encoding unit encodes is carried out package, obtains encapsulation of data;
Transmission unit, the encapsulation of data for being packaged into by described packet element is transferred at least one viewing terminal;
Described viewing terminal comprises:
Decoding unit, for decoding described encapsulation of data;
Display unit, for showing the data after described decoding unit decodes.
Video sharing method and system provided by the invention, gather at least one frame raw frames, cutting is carried out to the every frame raw frames collected, obtain the picture that resolution equals preset resolution, camera terminal equals the picture of preset resolution source data to described resolution carries out Video coding, source data after coding is carried out package, then the encapsulation of data obtained is transferred to viewing terminal, encapsulation of data carries out decoding and showing by viewing terminal.Directly picture data is converted to the method for image data in prior art of comparing, under the prerequisite ensureing transmission image sharpness, effectively can reduces picture data amount, alleviate offered load, reduce the phenomenon of transmission delay.
accompanying drawing explanation
Fig. 1 is the method flow diagram of the invention process one;
Fig. 2 is the method flow diagram of the invention process two;
Fig. 3 is the system configuration schematic diagram of the invention process three;
Fig. 4 is the another kind of structural representation of the video sharing system of the invention process three.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by embodiment.
In the embodiment of the present application, provide a kind of video sharing method and system, the video pictures of camera terminal can be transferred to viewing terminal and carry out real-time sharing.
Embodiment one:
Please refer to Fig. 1, Fig. 1 is the method flow diagram of the invention process one.As shown in Figure 1, the embodiment of the present invention one provides a kind of video sharing method, and the method can comprise the following steps:
101, camera terminal gathers at least one frame raw frames, carries out cutting, obtain the source data that resolution equals the picture of preset resolution to the every frame raw frames collected.
Because the resolution of every frame picture is different, according to the hardware performance of camera terminal (frame parameter supported as cpu performance, camera is as resolution, the anglec of rotation etc.) support preset resolution, cutting is carried out to every frame raw frames, makes the resolution that the resolution of picture equals preset.
102, the source data that camera terminal equals the picture of preset resolution to resolution is encoded, and obtains the source data after encoding.
In preferred embodiment, H.263 Video coding can be carried out to the source data that resolution equals the picture of preset resolution.Cataloged procedure can compress the source data of picture, decreases the data volume of subsequent transmission, thus improves video transmission efficiency, the real-time that augmented video is shared.
103, the source data after coding is carried out package by camera terminal, obtains encapsulation of data.
Preferably, the source data after coding can be carried out RTP (RTP, Real-time Transport Protocol) packing, be converted to RTP data.
104, described encapsulation of data is transferred at least one viewing terminal by camera terminal.
Wherein, encapsulation of data can be transferred at least one viewing terminal by camera terminal, realizes the function that multi-user shares same video simultaneously.
105, described encapsulation of data carries out decoding and showing by viewing terminal.
Camera terminal broadcasts the address information of described camera terminal to all viewing terminal in network, after viewing terminal gets the address information of camera terminal, real-time streaming protocol (RTSP, Real Time Streaming Protocol) can be passed through between viewing terminal and camera terminal connect.Then viewing terminal sends command messages to camera terminal, and the encapsulation of data on camera terminal is read in described command messages instruction.Encapsulation of data is transferred to viewing terminal by camera terminal, and viewing terminal is decoded to encapsulation of data and shown.
The video sharing method that the embodiment of the present invention one provides, gather at least one frame raw frames, cutting is carried out to the every frame raw frames collected, obtain the picture that resolution equals preset resolution, camera terminal equals the picture of preset resolution source data to described resolution carries out Video coding, source data after coding is carried out package, then the encapsulation of data obtained is transferred to viewing terminal, encapsulation of data carries out decoding and showing by viewing terminal.Directly picture data is converted to the method for image data in prior art of comparing, the application under the prerequisite ensureing transmission image sharpness, effectively can reduce picture data amount, alleviates offered load, reduces the phenomenon of transmission delay.
Embodiment two:
Please refer to Fig. 2, Fig. 2 is the method flow diagram of the invention process two.As shown in Figure 2, the embodiment of the present invention two provides a kind of video sharing method, and the method can comprise the following steps:
201, the shooting instruction that viewing terminal described at least one sends is received.
Camera terminal and viewing terminal can be operated in remote control pattern, can send shooting instruction by viewing terminal to camera terminal.
Preferably, shooting instruction can be transmitted by RTSP instruction, is sent to camera terminal by viewing terminal.
In an embodiment, when camera terminal only takes a frame picture, shooting instruction can be that the form of asking with HTML (Hypertext Markup Language) (HTTP, Hypertext transfer protocol) is sent to camera terminal.
202, at least one frame raw frames is gathered.
Camera terminal, after receiving shooting instruction, calls the first-class equipment of shooting and takes, to gather picture.In the video sharing method of the embodiment of the present invention, at least one frame raw frames can be gathered.
Preferably, before at least one frame raw frames of collection, the image quality that camera terminal can be supported according to camera terminal, calculates the source data size of the single frames raw frames gathered.Then preset the buffer unit of the source data for raw frames described in buffer memory, described buffer unit comprises at least one array, and the space size of each described array equals the source data size of described single frames raw frames.The source data of described raw frames is cached in default buffer unit.
In an embodiment, at least one frame raw frames collected may be displayed on the preview window of camera terminal.
203, camera terminal carries out cutting to raw frames described in every frame, obtains the picture that resolution equals preset resolution.
From buffer unit, read the initial data of raw frames, namely obtain raw frames.Then every frame raw frames is processed, obtain the picture that resolution equals preset resolution.
204, the source data that camera terminal equals the picture of preset resolution to described resolution is encoded, and obtains the source data after encoding.
205, the source data after described coding is carried out package by camera terminal, obtains encapsulation of data.
206, camera terminal broadcasts the address information of described camera terminal by User Datagram Protocol (UDP, User Datagram Protocol) broadcast all viewing terminal in network.
Step 206 can make all viewing terminal in network get the address information of camera terminal.
207, foundation is connected with the RTSP between at least one viewing terminal.
RTSP connects the connection can supported between camera terminal and multiple viewing terminal, and the real-time video realizing multi-user is shared.
208, receive at least one viewing terminal send command messages, described command messages triggers described camera terminal and described encapsulation of data is transferred to viewing terminal.
Viewing terminal, after getting the address information of camera terminal, sends command messages to camera terminal, sends encapsulation of data to indicate camera terminal to viewing terminal.
209, described encapsulation of data is transferred at least one viewing terminal by camera terminal.
210, described encapsulation of data carries out decoding and showing by viewing terminal.
The source data of step 204 to the picture collected is encoded, and in the process being transferred to viewing terminal, effectively can reduce the data volume of transmission, promotes efficiency of transmission.After viewing termination receives encapsulation of data, need to decode to these picture source data, be then shown on screen, thus it is shared to realize video.
The video sharing method that the embodiment of the present invention two provides, gather at least one frame raw frames, cutting is carried out to the every frame raw frames collected, obtain the picture that resolution equals preset resolution, camera terminal equals the picture of preset resolution source data to described resolution carries out Video coding, source data after coding is carried out package, then the encapsulation of data obtained is transferred to viewing terminal, encapsulation of data carries out decoding and showing by viewing terminal.Directly picture data is converted to the method for image data in prior art of comparing, the application under the prerequisite ensureing transmission image sharpness, effectively can reduce picture data amount, alleviates offered load, reduces the phenomenon of transmission delay.
Embodiment three:
Please refer to Fig. 3, Fig. 3 is the system configuration schematic diagram of the invention process three.As shown in Figure 3, the embodiment of the present invention three provides a kind of video sharing system, and this system can comprise: camera terminal 30 and at least one viewing terminal 31.
Camera terminal 30 comprises:
Collecting unit 305, for gathering at least one frame raw frames.
Cutting unit 301, for carrying out cutting to the every frame raw frames collected, obtains the picture that resolution equals preset resolution.
Coding unit 302, the source data that the described resolution for cutting out cutting unit 301 equals the picture of preset resolution is encoded, and obtains the source data after encoding.
Packet element 303, carries out package for the source data after being encoded by coding unit 302, obtains encapsulation of data.
Transmission unit 304, the encapsulation of data for being packaged into by packet element 303 is transferred at least one viewing terminal.
Viewing terminal 31 comprises:
Decoding unit 310, for decoding encapsulation of data.
Display unit 311, for showing decoded for decoding unit 310 data.
It is the another kind of structural representation of the video sharing system of the invention process three please also refer to Fig. 4, Fig. 4.As shown in Figure 4, in a preferred embodiment, the camera terminal 30 of video sharing system can also comprise:
Receiving element 306, for receiving the shooting instruction that at least one viewing terminal sends.In an embodiment, can after receiving element 306 receive the shooting instruction of viewing terminal 31 transmission, triggering collection unit 305 carries out picture collection.
In an embodiment, the packet element 303 of camera terminal 30 specifically may be used for: the source data after described coding is carried out RTP packing, is converted to RTP data.
Camera terminal 30 can also comprise: radio unit 307, for broadcasting the address information of camera terminal 30 by udp broadcast all viewing terminal 31 in network.
Connection establishment unit 308, for after radio unit 307 is by the broadcasting address information of camera terminal 30 to viewing terminal 31, the RTSP set up between camera terminal 30 with at least one viewing terminal 31 is connected.
First receiving element 309, for after connection establishment unit 308 RTSP established between camera terminal 30 with viewing terminal 31 is connected, receive the command messages that viewing terminal 31 sends, described command messages triggers described camera terminal and described encapsulation of data is sent to viewing terminal 31.
What the encapsulation of data of viewing terminal to reception carried out is the reverse process (RTP encapsulation resolve and decoding) contrary with camera terminal.
RTSP in the application between camera terminal with viewing terminal is connected and RTP transmission can realize by a real-time streaming media server, this server is standardized, so other standard compliant client can access easily, provide possibility for supporting that multiple user watches sharing simultaneously.
The video sharing system that the embodiment of the present invention three provides, may be used for gathering at least one frame raw frames, cutting is carried out to the every frame raw frames collected, obtain the picture that resolution equals preset resolution, camera terminal equals the picture of preset resolution source data to described resolution carries out Video coding, source data after coding is carried out package, then the encapsulation of data obtained is transferred to viewing terminal, encapsulation of data carries out decoding and showing by viewing terminal.Directly picture data is converted to the method for image data in prior art of comparing, the application under the prerequisite ensureing transmission image sharpness, effectively can reduce picture data amount, alleviates offered load, reduces the phenomenon of transmission delay.
It will be appreciated by those skilled in the art that, in above-mentioned execution mode, all or part of step of various method can be carried out instruction related hardware by program and completes, this program can be stored in a computer-readable recording medium, and storage medium can comprise: read-only memory, random asccess memory, disk or CD etc.
Above content is in conjunction with concrete execution mode further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made.
Claims (10)
1. a video sharing method, is characterized in that, comprising:
Camera terminal gathers at least one frame raw frames;
Camera terminal carries out cutting to the every frame raw frames collected, and obtains the picture that resolution equals preset resolution;
Camera terminal equals the picture of preset resolution source data to described resolution carries out Video coding, obtains the source data after encoding;
Source data after described coding is carried out package by camera terminal, obtains encapsulation of data;
Described encapsulation of data is transferred at least one viewing terminal by camera terminal;
Described encapsulation of data carries out decoding and showing by viewing terminal.
2. video sharing method according to claim 1, is characterized in that, described preset resolution is determined according to the performance configuration of described camera terminal.
3. video sharing method according to claim 1, is characterized in that, comprises before at least one frame raw frames of described collection:
Receive the shooting instruction that viewing terminal described at least one sends.
4. according to the video sharing method in claim 1-3 described in any one, it is characterized in that, described source data after described coding carried out package, obtain encapsulation of data and comprise:
Source data after described coding is carried out realtime transmission protocol RTP packing, is converted to RTP data.
5. described in any one according to claim 1-3, video sharing method, is characterized in that, described described encapsulation of data is transferred at least one viewing terminal before comprise:
The address information of described camera terminal is broadcasted by user datagram protocol UDP broadcast all described viewing terminal in network;
Set up and be connected with the real-time streaming protocol RTSP between at least one viewing terminal;
Receive the command messages that at least one viewing terminal described sends, described command messages triggers described camera terminal and described encapsulation of data is transferred to viewing terminal.
6. a video sharing system, is characterized in that, comprising: camera terminal and viewing terminal;
Described camera terminal comprises:
Collecting unit, for gathering at least one frame raw frames;
Cutting unit, for carrying out cutting to the every frame raw frames collected, obtains the picture that resolution equals preset resolution;
Coding unit, the source data that the described resolution for cutting out described cutting unit equals the picture of preset resolution is encoded, and obtains the source data after encoding;
Packet element, for the source data after described encoding unit encodes is carried out package, obtains encapsulation of data;
Transmission unit, the encapsulation of data for being packaged into by described packet element is transferred at least one viewing terminal;
Described viewing terminal comprises:
Decoding unit, for decoding described encapsulation of data;
Display unit, for showing the data after described decoding unit decodes.
7. video sharing system according to claim 6, is characterized in that, described preset resolution is determined according to the performance configuration of described camera terminal.
8. video sharing system according to claim 6, is characterized in that, described camera terminal also comprises:
Receiving element, for receiving the shooting instruction that at least one viewing terminal sends.
9., according to the video sharing system in claim 6-8 described in any one, it is characterized in that, described packet element specifically for:
Source data after described coding is carried out RTP packing, is converted to RTP data.
10. according to the video sharing system in claim 6-8 described in any one, it is characterized in that, described camera terminal also comprises:
Radio unit, for broadcasting the address information of described camera terminal by udp broadcast all described viewing terminal in network;
Connection establishment unit, for after described radio unit is by the broadcasting address information of described camera terminal to viewing terminal, sets up described camera terminal and is connected with the RTSP between viewing terminal;
First receiving element, for after the described connection establishment unit RTSP established between described camera terminal with described viewing terminal is connected, receive the command messages that at least one viewing terminal described sends, described command messages triggers described camera terminal and described encapsulation of data is sent to viewing terminal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310573585.1A CN104639979A (en) | 2013-11-15 | 2013-11-15 | Video sharing method and system |
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| CN201310573585.1A CN104639979A (en) | 2013-11-15 | 2013-11-15 | Video sharing method and system |
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| CN104639979A true CN104639979A (en) | 2015-05-20 |
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| CN105723727A (en) * | 2015-12-24 | 2016-06-29 | 王晓光 | Method and system for sharing video software |
| CN106028058A (en) * | 2016-05-12 | 2016-10-12 | 青岛海信移动通信技术股份有限公司 | Method and device for recording multimedia data |
| CN107277411A (en) * | 2017-07-17 | 2017-10-20 | 维沃移动通信有限公司 | A kind of video recording method and mobile terminal |
| CN109141249A (en) * | 2018-08-07 | 2019-01-04 | 深圳Tcl数字技术有限公司 | Distance measurement method and computer readable storage medium |
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