CN104052724A - Method and device for real-time communication - Google Patents
Method and device for real-time communication Download PDFInfo
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- CN104052724A CN104052724A CN201310088806.6A CN201310088806A CN104052724A CN 104052724 A CN104052724 A CN 104052724A CN 201310088806 A CN201310088806 A CN 201310088806A CN 104052724 A CN104052724 A CN 104052724A
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Abstract
The embodiments of the invention respectively relate to a method and a device for real-time communication. Specifically, the method comprises the steps of receiving RTP media stream data, analyzing the RTP media stream data, returning the analyzed RTP media stream data to an upper layer, and processing and playing the returned RTP media stream data. Further, the device corresponding to the method is provided. By adopting the method and the device provided by the embodiments of the invention, real-time communication can be carried out more efficiently.
Description
Technical field
The embodiments of the present invention relate generally to electronic device field, and more specifically, the embodiments of the present invention relate to a kind of method and apparatus for real time communication.
Background technology
From the birth of Android system, the various services based on Android system emerge in an endless stream.The current continuous increase along with communication network bandwidth, listens to online music, watches video, has become one of major distraction activity of Android user with good friend's video communication.In order to cater to so huge user group, each large Android service provider makes in all sorts of ways to improve real time communication ability one after another.
At present, on Android platform, support in the application of VoIP (Internet telephony) of video communication, video playback has adopted following two kinds of modes: the first broadcast mode is to adopt the primary Videoview control module of Android system directly to carry out the broadcasting of RTSP (real time streaming transport protocol) media stream data; The second broadcast mode is to adopt RTP (RTP) module first to parse video data, is then reduced into the frame of video of coding, then gives decoder module.But the first broadcast mode needs server end additionally to set up streaming media server, increase difficulty and the system cost of exploitation.Meanwhile, the player that Android carries is in the time of playing stream media video, and the aspect compatibility such as play up at interface, encoding and decoding are poor, are prone to the phenomenons such as video playback pause, experiences thereby affect user.The second broadcast mode, owing to relating to the multimedia gallery of first floor system, therefore needs different Android versions to carry out adaptation, thereby causes operating across Android version.Therefore, expect to provide a kind of method and apparatus for real time communication that can reach compromise in cost and applicability.
Summary of the invention
In order to address the above problem, in the present context, one of object of the each execution mode of the present invention is to provide a kind of method and apparatus for real time communication.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, for example can comprise: receive RTP media stream data; Described RTP media stream data is resolved; To turn back to upper strata through the RTP media stream data of resolving; And returned RTP media stream data is processed and play.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, wherein said RTP media stream data can comprise following at least one: RTP audio stream data and RTP video stream data.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, wherein said RTP media stream data can be resolved the data cell for comprising timestamp information.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, wherein said data cell can be picture.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, wherein said RTP media stream data can be resolved the form of supporting into described upper strata.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, wherein said upper strata can be Java layer.
According to some execution mode of one aspect of the invention, a kind of method for real time communication is provided, wherein said processing can comprise sorts returned RTP media stream data in chronological order.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, for example, can comprise: receiving system, is configured to receive RTP media stream data; Resolver, is configured to described RTP media stream data to resolve; Return mechanism, is configured to turn back to upper strata through the RTP media stream data of resolving; And playing device, be configured to returned RTP media stream data to process and play.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, wherein said RTP media stream data can comprise following at least one: RTP audio stream data and RTP video stream data.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, and wherein said RTP media stream data can be resolved the data cell for comprising timestamp information.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, and wherein said data cell can be picture.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, and wherein said RTP media stream data can be resolved the form of supporting into described upper strata.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, and wherein said upper strata can be Java layer.
Some execution mode according to a further aspect of the invention, provides a kind of equipment for real time communication, and wherein said processing can comprise sorts returned RTP media stream data in chronological order.
The exemplary solution that exemplary embodiment of the invention provides at least can be brought following significant technique effect: by the decoding support of Open Source Code, thereby can the multiplexing raising of code operational efficiency, can cross-platformly operate by means of the standard interface of Java layer simultaneously.
Brief description of the drawings
Read detailed description below by reference to accompanying drawing, above-mentioned and other objects of exemplary embodiment of the invention, feature and advantage will become easy to understand.In the accompanying drawings, show some execution modes of the present invention in exemplary and nonrestrictive mode, wherein:
Fig. 1 is the applied environment having schematically shown according to exemplary embodiment of the invention;
Fig. 2 be schematically shown according to exemplary embodiment of the invention, for the method flow diagram of real time communication;
Fig. 3 be schematically shown according to exemplary embodiment of the invention, for the equipment block diagram of real time communication; And
Fig. 4 has schematically shown from exemplary embodiment of the invention, to be benefited and can be the block diagram of the mobile terminal of exemplary embodiment of the invention exemplary device.
In the accompanying drawings, identical or corresponding label represents identical or corresponding part.
Embodiment
Below with reference to some illustrative embodiments, principle of the present invention and spirit are described.Should be appreciated that providing these execution modes is only used to make those skilled in the art can understand better and then realize the present invention, and not limit the scope of the invention by any way.
In this article, as example, the embodiments of the present invention are described using " social network sites " or " social networks ".Term " social network sites " or " social networks " be point to special object interested or just together the people of " saunter " the Web website of virtual community is provided.Member communicates by voice, chat, instant message, video conference and blog etc., and this service provides the good friend's who contacts other members method conventionally to member.This website can also be as the medium of in person meeting." social network sites " or " social networks " be for " virtual community " (group use internet each other with regard to anything so that busy communicating) 21 century term.
Social networks provides with other members of this social networks and communicates and mutual ability to its member (or claiming user).In use, member adds social networks, then wishes that to it multiple other members that connect add connection.Connection can be added by member's explicitly, and for example member selects to become specific other members of good friend; Or the common trait (for example, the alumnus of identical educational institution) based on member and automatically being created by social networks.As used herein, term " good friend " refers to that member passes through this website and form with it any other member of connection, association or relation.(but this not necessarily) that connection in social networks is normally two-way, therefore term " member " and " good friend " may depend on reference system.Connection between member can be direct connection; But some execution mode of social networks allows the indirect connection via one-level or multistage connection.In addition, term " good friend " not necessarily requires member in actual life, to be actually friend's (in the time that one of member is trade company or other entities, generally especially like this); It only implies the connection in social networks.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
First with reference to figure 1, wherein Fig. 1 shows the system 10 that can use therein according to the embodiments of the present invention, comprises multiple communication equipments that can communicate by network.System 10 can comprise the combination in any of wired or wireless network, and wherein these networks include but not limited to one or more ad hoc networks between mobile telephone network, WLAN (wireless local area network) (LAN), Bluetooth personal local area network, ethernet lan, token LAN, wide area network, internet, communication equipment etc.System 10 can comprise wire communication facility and Wireless Telecom Equipment.
For example, system 10 shown in Fig. 1 comprises mobile telephone network 11 and Internet 28.The connection of leading to Internet 28 can include but not limited to that long distance wireless connects, short-distance radio connects, and various wired connection, and wired connection includes but not limited to telephone wire, cable line, power line etc.
The exemplary communication device of system 10 can include but not limited to mobile phone 12, composite type PDA and mobile phone 14, PDA16, integrated message transmission equipment (IMD) 18, desktop computer 20, and notebook 22.Communication equipment can be fix or in the time being carried by the people in advancing, be mobile.Some or all in communication equipment can be called out and message by wireless connections 25 sending and receivings that lead to base station 24, and communicate with service provider by the wireless connections 25 of leading to base station 24.Base station 24 can be connected to the webserver 26, and this webserver 26 is supported the communication between mobile telephone network 11 and Internet 28.System 10 can comprise additional communication equipment and dissimilar communication equipment.Communication equipment is direct communication each other.
Should be appreciated that base station 24 is only the representative for the network access equipment of wireless access, the present invention is unrestricted in this regard.According to some other illustrative embodiments of the present invention, can substitute base station 24 by WiFi access point.In addition, it should also be understood that, communication equipment can use various transmission technologys to communicate, include but not limited to code division multiple access (CDMA), global system for mobile communications (GSM), universal mobile telecommunications system (UMTS), time division multiple access (TDMA), frequency division multiple access (FDMA), transmission control protocol/Internet Protocol (TCP/IP), short messaging service (SMS), multimedia information transferring service (MMS), Email, instant message transferring service (IMS), bluetooth, IEEE 802.11 etc.Communication equipment can use various media to communicate, and includes but not limited to, wireless, infrared, laser, cable connection etc.
Below in conjunction with the application scenarios of Fig. 1, be described with reference to Figure 2 according to exemplary embodiment of the invention, for the method for real time communication.
It will be appreciated that, in the following description, using mobile terminal 16 (any one mobile device 20,22,14,12 or 18 in Fig. 1 all can), as the exemplary representative (hereinafter referred to as client 16) of client, by network access equipment, (any one network access equipment 24 in Fig. 1 all can for it; For example, base station 24 or WiFi access point 25) enter the Internet 28; And using the webserver 26 for example, as the server (hereinafter referred to as the webserver 26) of website (, social network sites) that service is provided.
As shown in Figure 2, according to each illustrative embodiments of the present invention, method 200 for example can comprise reception RTP media stream data (S201).
In an illustrative embodiments, described RTP media stream data can comprise following at least one: RTP audio stream data and RTP video stream data.Specific to Fig. 1, client 16 receives RTP media stream data from the webserver 26, and wherein said RTP media stream data can be RTP audio stream data or RTP video stream data, or both combinations above.
Further, the method 200 for example can be resolved (S202) to described RTP media stream data.
In an illustrative embodiments, described RTP media stream data is resolved the data cell for comprising timestamp information.Specific to Fig. 1, client 16 can resolve to the data cell (for example, picture) that comprises timestamp information by the RTP media stream data that is received from the webserver 26 by Open Source Code.It should be noted that described Open Source Code write by C/C++ conventionally, due to Android system for programming language be Java, the data cell of therefore resolving by described Open Source Code cannot directly be used by Android system conventionally.
In an illustrative embodiments, described RTP media stream data is resolved the form of supporting into described upper strata.Specific to Fig. 1, client 16 can resolve to by Open Source Code the form that upper strata is supported by the RTP media stream data that is received from the webserver 26, for example, and the form that Java layer can be play-overed.
Further, the method 200 for example can comprise and will turn back to upper strata (S203) through the RTP media stream data of resolving.
In an illustrative embodiments, described upper strata is Java layer.As described above, the RTP media stream data of resolving by Open Source Code cannot directly be used by Android system conventionally, and based on Android system for the programming language fact that is Java, can turn back to upper strata (for example, Java layer) through the RTP media stream data of resolving.For example, can increase income decoder (for example, FFMPEG) in the parsing of the native of Java layer Interface realization RTP media stream data by audio frequency and video, and will turn back to Java layer through the RTP media stream data of resolving.
Further, the method 200 for example can comprise (S204) processed and play to returned RTP media stream data.
In an illustrative embodiments, described processing can comprise sorts returned RTP media stream data in chronological order.Specific to Fig. 1, client 16 (for example, supporting Android platform) for example can be called play control (for example, Android SurfaceView) the RTP media stream data that turns back to Java layer is play.Particularly, the RTP media stream data that turns back to Java layer can be picture or the video that can be play by Android play control.In the time that described RTP media stream data is picture, due to reasons such as network delays, image data can not return according to normal order completely.Therefore, after picture turns back to Java layer, need to first sort again in chronological order to picture by algorithm, and then use the play control such as Android SurfaceView to play.
It will be understood by those skilled in the art that mode mentioned above is that the exemplary of described ad hoc fashion is not limited in this for example, described ad hoc fashion can also be other modes.
Below with reference to Fig. 3, its show according to exemplary embodiment of the invention, for the schematic block diagram of the equipment 300 of real time communication.Equipment 300 for example can comprise: receiving system 301, is configured to receive RTP media stream data; Resolver 302, is configured to described RTP media stream data to resolve; Return mechanism 303, is configured to turn back to upper strata through the RTP media stream data of resolving; And playing device 304, be configured to returned RTP media stream data to process and play.
In an illustrative embodiments, wherein said RTP media stream data can comprise following at least one: RTP audio stream data and RTP video stream data.
In an illustrative embodiments, wherein said RTP media stream data can be resolved the data cell for comprising timestamp information.
In an illustrative embodiments, wherein said data cell can be picture.
In an illustrative embodiments, wherein said RTP media stream data can be resolved the form of supporting into described upper strata.
In an illustrative embodiments, wherein said upper strata can be Java layer.
In an illustrative embodiments, wherein said processing can comprise sorts returned RTP media stream data in chronological order.
For clarity, the sub-device that also not shown each device comprises in Fig. 3.But, should be appreciated that the device of recording in equipment 300 is corresponding with the step in the method 200 of describing with reference to figure 2 respectively.Thus, the operation of above describing for the method 200 of Fig. 2 and feature are equally applicable to equipment 300 and the device wherein comprising and sub-device, do not repeat them here.
Should be appreciated that equipment 300 can utilize variety of way to realize.For example, in some embodiments, equipment 300 can utilize software and/or firmware module to realize.In addition, equipment 300 also can utilize hardware module to realize.For example, equipment 300 can be implemented as integrated circuit (IC) chip or application-specific integrated circuit (ASIC) (ASIC).Equipment 300 also can be implemented as SOC (system on a chip) (SOC).In addition, equipment 300 also can utilize the combination of hardware module and software and/or firmware module to realize.Other modes known or exploitation in the future are also feasible now, and scope of the present invention is unrestricted in this regard.
Below with reference to Fig. 4, it shows the schematic block diagram that is suitable for the mobile terminal for putting into practice embodiment of the present invention 400.In the example depicted in fig. 4, mobile terminal 400 is mobile devices with wireless communication ability.But, be appreciated that this is only exemplary and nonrestrictive.The mobile terminal of other types also can easily adopt embodiments of the present invention, such as voice and the text communication system of portable digital-assistant (PDA), beep-pager, mobile computer, mobile TV, game station, laptop computer, camera, video tape recorder, GPS equipment and other types.Fixed mobile terminal can easily use embodiments of the present invention equally.
Mobile terminal 400 comprises one or antenna 418, and it operationally communicates with transmitter 414 and receiver 416.Mobile terminal 400 also comprises processor 412 or other treatment elements, and it provides respectively goes to the signal of transmitter 414 and receives the signal from receiver 416.Signal comprises according to the signaling information of the air-interface standard of suitable cellular system, and comprises the data of user speech, reception and/or the data that user generates.In this regard, mobile terminal 400 can utilize one or more air-interface standards, communication protocol, modulation type and access style to operate.As demonstration, mobile terminal 400 can operate according to any agreement in multiple first generation, the second generation, the third generation and/or the 4th generation communication protocol etc.For example, mobile terminal 400 can operate according to the second generation (G) wireless communication protocol IS-136 (TDMA), GSM and IS-95 (CDMA), or operate according to the third generation such as UMTS, CDMA2000, WCDMA and TD-SCDMA (G) wireless communication protocol, or according to the 4th generation (4G) wireless communication protocol and/or similar agreement operate.
Be appreciated that processor 412 comprises the required circuit of function of realizing mobile terminal 400.For example, processor 412 can comprise digital signal processor device, micro processor device, various analog to digital converter, digital to analog converter and other support circuit.The control of mobile terminal 400 and signal processing function distribute betwixt according to these equipment ability separately.Processor 412 carries out convolutional encoding and the function interweaving to message and data before can also being included in thus modulation and transmission.Processor 412 can also comprise internal voice coder in addition, and can comprise internal data modem.In addition, processor 412 can comprise the function that the one or more software programs to being stored in memory operate.For example, processor 412 can operate linker, such as traditional Web browser.Linker can allow mobile terminal 400 for example to transmit and receive web content (such as location-based content and/or other web page contents) according to WAP (wireless application protocol) (WAP), HTML (Hypertext Markup Language) (HTTP) etc. then.
Mobile terminal 400 can also comprise user interface, and it for example can comprise earphone or loud speaker 424, ringer 422, microphone 426, display screen 428 and handwriting equipment 431, and all these equipment are all coupled to processor 412.Mobile terminal 400 can comprise keypad 430.Keypad 430 can comprise traditional numerical key (0-9) and relative keys (#, *), and for other keys of operating mobile terminal 400.Alternatively, keypad 430 can comprise traditional QWERTY arrangements of keypad.Keypad 430 can also comprise the various soft keys that are associated with function.Mobile terminal 400 can also comprise acceleration induction module 436, the action (motion) of making for catching user.
Particularly, display screen 428 can comprise touch-screen and/or contiguous formula screen, and user can pass through direct control screen and operating mobile terminal 400.Now, display screen 428 serve as simultaneously input equipment and output equipment the two.In such execution mode, handwriting equipment 531 can be configured for and receive the input that user provides on display screen 428 by for example common pen, special stylus and/or finger, comprises and gives directions input and gesture input.
In addition, mobile terminal 400 can comprise such as the interface equipment of joystick or other are for input interface.Mobile terminal 400 also comprises battery 434, such as vibrating battery group, is used to the required various circuit supplies of operating mobile terminal 400, and provides alternatively mechanical oscillation as detecting output.
Mobile terminal 400 may further include Subscriber Identity Module (UIM) 438.UIM438 normally has the memory devices of internal processor.UIM 438 for example can comprise subscriber identity module (SIM), Universal Integrated Circuit Card (UICC), general subscriber identification module (USIM), removable Subscriber Identity Module (R-UIM) etc.UIM438 is the storage cell relevant to mobile subscriber conventionally.
Mobile terminal 400 can also have memory.For example, mobile terminal 400 can comprise volatile memory 440, for example, comprise the volatile random access memory (RAM) for the cache area of the interim storage of data.Mobile terminal 400 can also comprise other nonvolatile memories 442, and it can be Embedded and/or movably.Nonvolatile memory 442 can additionally or alternatively comprise such as EEPROM and flash memory etc.Arbitrary Term in multiple information segments and data that memory can memory mobile terminal 400 uses, to realize the function of mobile terminal 400.
Described mobile terminal 400 can be realized the method for describing in conjunction with Fig. 2 above and be configured for as the equipment of describing in conjunction with Fig. 3.
Should be appreciated that the structured flowchart described in Fig. 4 illustrates just to the object of example, instead of limitation of the scope of the invention.In some cases, can increase or reduce as the case may be some equipment.
It should be noted that embodiments of the present invention can realize by the combination of hardware, software or software and hardware.Hardware components can utilize special logic to realize; Software section can be stored in memory, and by suitable instruction execution system, for example microprocessor or special designs hardware are carried out.Those having ordinary skill in the art will appreciate that above-mentioned equipment and method can and/or be included in processor control routine with computer executable instructions realizes, for example, at the mounting medium such as disk, CD or DVD-ROM, provide such code on such as the programmable memory of read-only memory (firmware) or the data medium such as optics or electronic signal carrier.Equipment of the present invention and module thereof can be by such as very lagre scale integrated circuit (VLSIC) or gate array, realize such as the semiconductor of logic chip, transistor etc. or such as the hardware circuit of the programmable hardware device of field programmable gate array, programmable logic device etc., also can use the software of being carried out by various types of processors to realize, also can be realized by for example firmware of the combination of above-mentioned hardware circuit and software.
Although it should be noted that some devices or the sub-device of having mentioned equipment in above-detailed, this division is only not enforceable.In fact, according to the embodiment of the present invention, the feature of above-described two or more devices and function can be specialized in a device.Otherwise, the feature of an above-described device and function can Further Division for to be specialized by multiple devices.
In addition, although described in the accompanying drawings the operation of the inventive method with particular order,, this not requires or hint must be carried out these operations according to this particular order, or the operation shown in must carrying out all could realize the result of expecting.On the contrary, the step of describing in flow chart can change execution sequence.Additionally or alternatively, can omit some step, multiple steps be merged into a step and carry out, and/or a step is decomposed into multiple steps carries out.
Although described the present invention with reference to some embodiments, should be appreciated that, the present invention is not limited to disclosed embodiment.The present invention is intended to contain interior included various amendments and the equivalent arrangements of spirit and scope of claims.The scope of claims meets the most wide in range explanation, thereby comprises all such amendments and equivalent structure and function.
Claims (14)
1. for a method for real time communication, comprising:
Receive realtime transmission protocol RTP media stream data;
Described RTP media stream data is resolved;
To turn back to upper strata through the RTP media stream data of resolving; And
Returned RTP media stream data is processed and play.
2. method according to claim 1, wherein said RTP media stream data be following at least one: RTP audio stream data and RTP video stream data.
3. method according to claim 1, wherein said RTP media stream data is resolved the data cell for comprising timestamp information.
4. method according to claim 3, wherein said data cell is picture.
5. method according to claim 1, wherein said RTP media stream data is resolved the form of supporting into described upper strata.
6. method according to claim 1, wherein said upper strata is Java layer.
7. according to the method described in any one in claim 1 to 6, wherein said processing comprises sorts returned RTP media stream data in chronological order.
8. for an equipment for real time communication, comprising:
Receiving system, is configured to receive realtime transmission protocol RTP media stream data;
Resolver, is configured to described RTP media stream data to resolve;
Return mechanism, is configured to turn back to upper strata through the RTP media stream data of resolving; And
Playing device, is configured to returned RTP media stream data to process and play.
9. equipment according to claim 8, wherein said RTP media stream data be following at least one: RTP audio stream data and RTP video stream data.
10. equipment according to claim 8, wherein said RTP media stream data is resolved the data cell for comprising timestamp information.
11. equipment according to claim 10, wherein said data cell is picture.
12. equipment according to claim 8, wherein said RTP media stream data is resolved the form of supporting into described upper strata.
13. equipment according to claim 8, wherein said upper strata is Java layer.
Equipment in 14. according to Claim 8 to 13 described in any one, wherein said processing comprises sorts returned RTP media stream data in chronological order.
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| CN201310088806.6A CN104052724A (en) | 2013-03-13 | 2013-03-13 | Method and device for real-time communication |
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| CN201310088806.6A CN104052724A (en) | 2013-03-13 | 2013-03-13 | Method and device for real-time communication |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752583A (en) * | 2012-06-29 | 2012-10-24 | 浙江大学 | Pump station video monitoring system based on smart phone |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752583A (en) * | 2012-06-29 | 2012-10-24 | 浙江大学 | Pump station video monitoring system based on smart phone |
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| HAO ZENG、等: "Design of Mobile Video Surveillance Based on Android", 《2012 INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND SERVICE SYSTEM》 * |
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Application publication date: 20140917 |