CN101827116B - DM6446-based embedded P2P live streaming media system and working method thereof - Google Patents
DM6446-based embedded P2P live streaming media system and working method thereof Download PDFInfo
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Abstract
The invention relates to a method for realizing a DM6446-based embedded P2P live streaming media system with the advantages of reasonable design, high cost-performance ratio, excellent playing effect and the like. The system consists of a plurality of Vinci digital platforms which are connected with one another through a network, wherein each Vinci digital platform uses an ARM+DSP double core framework; an ARM module is a main running program of a general processor; a DSP module is a co-processor which is used for decoding audio and video; the ARM module comprises a P2P engine module, a player module, a UI module and a control module; the P2P is connected with an Ethernet and acquires required audio and video data from the network; the player module is used for playing the data acquired by the P2P engine module; the UI module is used for providing an excellent interface for a user; the control module is connected with the UI module, the player module and the P2P module and is used for controlling the running state of each module in cooperation with the UI module and responding to key operation on a remote controller by the user; the player module is connected with a display and an audio device respectively; and the UI module is connected with the display.
Description
Technical field
The invention belongs to the network multimedia technology field, particularly a kind of embedded P 2 P live streaming media system implementation method based on DM6446.
Background technology
Along with the development of computer networking technology, Streaming Media has become the popular ways of distribution of multimedia file such as audio frequency, video.Streaming Media multimedialy differently is that mainly Streaming Media can be play while downloading with conventional.Flow medium live system can be widely used in fields such as video conference, remote training, radio and television.But have extensive potential user's field for these; The flow medium live system of traditional C/S (client/server) framework is very high to server performance and network bandwidth requirement, thereby the handling property of server and the network bandwidth can become the bottleneck of whole system expansion.Flow medium live system based on P2P (peer to peer) technology arises at the historic moment.The P2P flow medium live system has characteristics such as decentralization, extensibility, robustness, can the pressure (video fluidization treatment, net distribution transmission etc.) of server be shifted to client, can make full use of the Internet resources and the storage resources of client.
But the client of flow medium live system is mainly born by PC (all-purpose computer) at present, and embedded multimedia terminal (like STB, PDA, mobile phone etc.) receives user's favor day by day.P2P flow medium live system based on embedded platform has become a kind of development trend.The P2P software that will on existing PC, move is grafted directly to embedded platform, exists and shortcomings such as embedded platform poor compatibility, portable low, construction cycle length, cost height.
Summary of the invention
The objective of the invention is for overcoming the defective of prior art, the P2P flow medium live system implementation method of a kind of Leonardo da Vinci's platform DM6446 based on TI is provided, have modularized design, portable high, advantage such as the construction cycle is short.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of P2P flow medium live system based on DM6446; It is made up of through Leonardo da Vinci's digital platform that network links together several; Each Leonardo da Vinci's digital platform adopts ARM+DSP double-core framework; The ARM module is moved main program as general processor, and the DSP module is responsible for the decoding of Voice & Video as coprocessor; Wherein, The ARM module comprises P2P engine modules, player module, UI module and control module, and the P2P engine modules is connected with Ethernet, is responsible for from network, obtaining the audio, video data that needs; Player module is responsible for playing the data of obtaining from the P2P engine modules; The UI module is responsible for the user good interface is provided, and control module is connected with UI module, player module and P2P module, cooperates the UI module to be responsible for the remote controller key operation of controlling the running status of each module and responding the user; Player module is connected with audio frequency apparatus with display respectively; The UI module is connected with display.
Said P2P engine modules is according to user's demand, and the Tracker in the connected system obtains the node listing preferably of respective program, connects known node then, and is not enough like the interstitial content that connects, and starts the node finding algorithm and seeks new node; With the node interaction data that has been connected; Periodic state to Tracker and the node report that has been connected oneself; Periodically detect the state of connected node and, break off the minimum node of mark, and connect with new neighbor node to its marking.
Said player module obtains audio, video data from the P2P engine modules, and the audio frequency and video blended data that obtains is demultiplexed into voice data and video data, the audio, video data that has separated is delivered to the DSP end respectively let it decode, and realizes the broadcast of audio frequency and video.
Said UI module is the UI module based on Qt4, and it shows the rendition list that obtains from control module, and the cycle renewal, and perhaps the user initiatively upgrades; Classification shows according to program category, and the classification foundation of change program; The pouplarity of display program, and sequencing display; The network state of display program, and sequencing display.
The state of said control module control P2P engine modules, player module and UI module is handled the request of each module, realizes the intercommunication mutually of intermodule, and order is accordingly carried out in response user's remote controller request, upgrades corresponding UI module interfaces.
A kind of method of work of the P2P flow medium live system based on DM6446, its step is:
1) control module at first starts, the environment that each module of initialization needs;
2) start the P2P module then, the P2P module connects the Tracker server, obtains up-to-date the rendition list;
3) control module starts the UI module with the rendition list that obtains as parameter, and the UI module is drawn user interface on display, and control module is installed the processing function of each button of remote controller simultaneously; At this moment, it is mutual that system accepts user's button;
4) during user key-press, control module is handled the button request, and produces corresponding signal and send to the UI module; The UI module is according to signal update, when the user selects to want the program watched, behind the button; Control module is handled the button request, sends signal and gives the UI module, and the UI module will want that the program parameter of watching passes to control module; Control module is passed to the P2P module with program parameter again, starts player module simultaneously;
5) player module obtains the audio, video data of P2P module through the mode of socket thread communication, handles back notice control module, the broadcast of control module notice UI module display media;
6) when user's switching channels; Control module passes to the P2P module with new program parameter; The P2P module is initiatively broken off and being connected of existing node, and empties node listing, tells Tracker oneself switching channels; The node listing of the program that please look for novelty to Tracker simultaneously returns step 3) then.
In the said step 3); The UI module is periodically upgraded the rendition list after starting, and the request of upgrading the rendition list is transmitted to the P2P module through control module; The rendition list after the P2P module will be upgraded is transmitted to the UI module again through control module, and the UI module oneself is upgraded the UI interface as required.
Said step 2) in, the P2P module is to the node listing of Tracker request respective program, and Tracker replys and send to P2P module node listing.P2P module testing known node RTT, connect corresponding 4 the less nodes of RTT.Afterwards, P2P module and the node interaction data that has been connected, action below periodic simultaneously execution the: the state of telling Tracker oneself; Tell the state of connected node oneself; The node that evaluation and test has connected breaks off and estimates a minimum node and reselect the node connection; With the user interactions that has been connected new node chained list more.
In the said step 5); The audio frequency and video that player module obtains are the TS forms that mix, and player module is the demultiplexing audio frequency and video at first, then through calling the interface of DMAI; H.264, voice data MP3 and video data with coding sends the decoder that DSP holds to respectively; Through calling the DMAI bank interface, the voice data behind the control/dev/dsp broadcast decoder, the video data behind the control/dev/fb/1 broadcast decoder.
The present invention introduces cross-platform image library Qt4, in order to develop good UI interface; Introduce DMAI (the DavinciMultimedia Application Interface) storehouse of TI, be used to provide the decoding interface and the hardware device interface of audio frequency and video; Introduce the Gstreamer multimedia framework, be used for the realization of player.
The present invention has designed a kind of P2P flow medium live system implementation based on DM6446.System is based on Leonardo da Vinci's digital platform TMS320DM6446 exploitation of TI company, and Leonardo da Vinci's platform adopts ARM+DSP double-core framework, and the ARM end is as the main program of general processor operation, and DSP is responsible for the decoding of Voice & Video as coprocessor.Native system comprises P2P engine modules, player module, user interface (UI) module and control module.The P2P engine modules is responsible for from network, obtaining the audio, video data that needs; Player module is responsible for playing the data of obtaining from the P2P engine modules; The UI module is responsible for the user good interface is provided, the button operation that control module cooperates the UI module to be responsible for controlling the running status of each module and to respond the user.
The P2P engine modules is responsible for from the P2P network, obtaining the Voice & Video data that need, and major part comprises:
(1) according to user's demand; Tracker in the connected system; And obtain the node listing preferably of respective program according to following strategy: the nearer IP address of larger proportion (80%) (coupling is more from a high position to the low level), the probability that has bandwidth and RTT (Round-trip Time) value preferably between the nearer IP address node is higher; Than the IP address at random of small scale (20%), these addresses are in order to guarantee the polymorphism of node
(2) detection node state and connect known node, not enough like the interstitial content that connects, start the node finding algorithm and seek new node
The node requesting node tabulation of a from having connected
The node that b such as step a obtain is still not enough, waits for a period of time request Tracker
C waits for a period of time if step b is still not enough, forwards step a to
(3) with the node interaction data that has been connected
(4) periodic state to Tracker and the node report that has been connected oneself
(5) periodically detect the state of connected node and to its marking (RTT between computing node, the value of RTT is less is node preferably can obtain higher mark), a minimum node of disconnection mark, and connect a node again.
Player module is based on the Gstreamer multimedia framework of increasing income, and Gstreamer is a cross-platform multimedia framework based on pipeline, adopts Gstreamer to make native system have more excellent portability.The major function that player module is accomplished comprises:
(1) mode of the network service (socket communication) of employing thread communication is obtained video/audio from the P2P engine modules
(2) the audio frequency and video blended data (TS encapsulation) that obtains is demultiplexed into voice data (MP3 coding) and video data (H.264 coding)
(3) call the DMAI interface, the audio frequency and video of having separated are delivered to the DSP end respectively, the decoder of control DSP end, the decoding audio, video data, wherein, video is decoded into yuv data.
(4) interface that provides through the DMAI storehouse, control hardware is handled the voice data and the video data of having decoded, and realizes the broadcast of audio frequency and video
User interface (UI) module comprises:
(1) based on Qt design UI module
(2) show the rendition list that obtains from control module, and the cycle renewal, perhaps the user initiatively upgrades
● UI asks control module
● control module is passed to the P2P module with request
● the P2P module passes to control module with the rendition list
● control module passes to the UI module with the rendition list
(3) classification shows according to program category, can change the classification foundation of program.
(4) pouplarity of display program, but and sequencing display
(5) network state of display program, but and sequencing display
Control module is responsible for the running status of whole procedure, and the major function of completion has:
(1) control P2P engine modules, player module and user interface (UI) module running status
(2) flow process of control whole procedure
(3) handle the request of each module, realize the intercommunication mutually of intermodule
(4) order is accordingly carried out in the remote controller request of relative users, and the signal that produces is sent to the UI module, upgrades corresponding UI interface
The invention has the beneficial effects as follows: the present invention is based on the implementation method of a kind of embedded P 2 P live streaming media system of design on the Leonardo da Vinci DM6446 platform, can make full use of idle user resources, reduce server stress effectively, raising can be held number of users.This method adopts modularized design, divides the work clearly between the module, and coupling is low, thereby has maintainability and extensibility preferably, can shorten the construction cycle effectively, reduces development cost.Though this method based on the DM6446 design of Platform, can provide good portability, revise correlation module (, can only revise player module) according to the difference of each platform and can be transplanted to other platforms easily if decoder is different.
Description of drawings
Fig. 1 is based on the functional block diagram at the P2P flow medium live system terminal of DM6446;
Fig. 2 system operational process block diagram;
Fig. 3 P2P stream media network topological diagram;
Main modular sequential chart during Fig. 4 broadcast program.
Main modular sequential chart during Fig. 5 broadcast program.
Wherein, 1.ARM module, 2.DSP module, 3. display, 4. audio frequency apparatus, 5.UI module, 6. player module, 7. control module, 8.P2P engine modules, 9.DMAI interface, 10.DSP decoder, 11. Ethernets.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Designed system of the present invention is as shown in Figure 3; It is made up of through Leonardo da Vinci's digital platform that network links together several; Each Leonardo da Vinci's digital platform adopts ARM+DSP double-core framework; As shown in Figure 1, ARM module 1 is as general processor operation main program, and DSP module 2 is responsible for the decoding of Voice & Video as coprocessor; Wherein, ARM module 1 comprises P2P engine modules 8, player module 6, UI module 5 and control module 7; P2P engine modules 8 is responsible for from network, obtaining the audio, video data that needs, and player module 6 is responsible for playing the data of obtaining from P2P engine modules 8, and UI module 5 is responsible for the user good interface is provided; Control module 7 is connected with UI module 5, player module 6 and P2P module 8, cooperates UI module 5 to be responsible for the remote controller key operation of controlling the running status of each module and responding the user; Player module 6 is connected with audio frequency apparatus 4 with display 3 respectively; UI module 5 is connected with display 3.
Introduce the flow process of native system operation below, as shown in Figure 2.
During user key-press, control module 7 is handled the button requests, and produces corresponding signal and send to UI module 5; UI module 5 is according to signal update, when the user selects to want the program watched, behind the button; Flow process is as shown in Figure 4, and control module 5 is handled the button request, sends signal and gives UI module 5; UI module 5 will want that the program parameter of watching passes to control module 7, and control module 7 is passed to P2P engine modules 8 with program parameter again, starts player module 6 simultaneously.
After UI module 5 starts, periodically upgrade the rendition list.The request of upgrading the rendition list is transmitted to P2P engine modules 8 through control module 7, and the rendition list after P2P engine modules 8 will be upgraded is transmitted to UI module 5 again through control module 7, and UI module 5 oneself is upgraded the UI interface as required.When user's switching channels; Control module 7 passes to P2P engine modules 8 with new program parameter; The 8 active disconnections of P2P engine modules are connected with existing node, empty node listing, tell Tracker oneself switching channels; The node listing of the program that please look for novelty to Tracker simultaneously, step after this is identical with above-mentioned playing programs.
Claims (9)
1. P2P flow medium live system based on DM6446; It is characterized in that; It is made up of through Leonardo da Vinci's digital platform that network links together several; Each Leonardo da Vinci's digital platform adopts ARM+DSP double-core framework, and the ARM module is moved main program as general processor, and the DSP module is digital processing unit is responsible for Voice & Video as coprocessor decoding; Wherein, The ARM module is that general microprocessor comprises P2P engine modules, player module, UI module and control module; The P2P engine modules is connected with Ethernet; Be responsible for from network, obtaining the audio, video data that needs, player module is responsible for playing the data of obtaining from the P2P engine modules, and the UI module is responsible for the user good interface is provided; Control module is connected with UI module, player module and P2P engine modules, cooperates the UI module to be responsible for the remote controller key operation of controlling the running status of each module and responding the user; Player module is connected with audio frequency apparatus with display respectively; The UI module is connected with display.
2. the P2P flow medium live system based on DM6446 as claimed in claim 1; It is characterized in that said P2P engine modules is according to user's demand, the Tracker in the connected system; Obtain the node listing preferably of respective program; Connect known node then, not enough like the interstitial content that connects, start the node finding algorithm and seek new node; With the node interaction data that has been connected; Periodic state to Tracker and the node report that has been connected oneself; Periodically detect the state of connected node and, break off the minimum node of mark, and connect with new neighbor node to its marking.
3. the P2P flow medium live system based on DM6446 as claimed in claim 1; It is characterized in that; Said player module obtains audio, video data from the P2P engine modules; The audio frequency and video blended data that obtains is demultiplexed into voice data and video data, the audio, video data that has separated is delivered to the DSP end respectively let it decode, realize the broadcast of audio frequency and video.
4. the P2P flow medium live system based on DM6446 as claimed in claim 1 is characterized in that, said UI module is the UI module based on Qt4, and it shows the rendition list that obtains from control module, and the cycle renewal, and perhaps the user initiatively upgrades; Classification shows according to program category, and the classification foundation of change program; The pouplarity of display program, and sequencing display; The network state of display program, and sequencing display.
5. the P2P flow medium live system based on DM6446 as claimed in claim 1; It is characterized in that the state of said control module control P2P engine modules, player module and UI module is handled the request of each module; Realize the intercommunication mutually of intermodule; Order is accordingly carried out in response user's remote controller request, upgrades corresponding UI module interfaces.
6. the method for work of the described P2P flow medium live system based on DM6446 of a claim 1 is characterized in that its step is:
1) control module at first starts, the environment that each module of initialization needs;
2) start the P2P engine modules then, the P2P engine modules connects the Tracker server, obtains up-to-date the rendition list;
3) control module starts the UI module with the rendition list that obtains as parameter, and the UI module is drawn user interface on display, and control module is installed the processing function of each button of remote controller simultaneously; At this moment, it is mutual that system accepts user's button;
4) during user key-press, control module is handled the button request, and produces corresponding signal and send to the UI module; The UI module is according to signal update, when the user selects to want the program watched, behind the button; Control module is handled the button request, sends signal and gives the UI module, and the UI module will want that the program parameter of watching passes to control module; Control module is passed to the P2P engine modules with program parameter again, starts player module simultaneously;
5) player module obtains the audio, video data of P2P engine modules through the mode of socket thread communication, handles back notice control module, the broadcast of control module notice UI module display media;
6) when user's switching channels; Control module passes to the P2P engine modules with new program parameter; The P2P engine modules is initiatively broken off and being connected of existing node, and empties node listing, tells Tracker oneself switching channels; The node listing of the program that please look for novelty to Tracker simultaneously returns step 3) then.
7. the method for work of the P2P flow medium live system based on DM6446 as claimed in claim 6; It is characterized in that, in the said step 3), after the UI module starts; The periodic the rendition list that upgrades; The request of upgrading the rendition list is transmitted to the P2P engine modules through control module, and the rendition list after the P2P engine modules will be upgraded is transmitted to the UI module again through control module, and the UI module oneself is upgraded the UI interface as required.
8. the method for work of the P2P flow medium live system based on DM6446 as claimed in claim 6; It is characterized in that; Said step 2) in, the P2P engine modules is to the node listing of Tracker request respective program, and Tracker replys and transmit P2P engine modules node listing; RTT two-way time of P2P engine modules test known node connects corresponding 4 the less nodes of RTT; Afterwards, P2P engine modules and the node interaction data that has been connected, action below periodic simultaneously execution the: the state of telling Tracker oneself; Tell the state of connected node oneself; The node that evaluation and test has connected breaks off and estimates a minimum node and reselect the node connection; With the user interactions that has been connected new node chained list more.
9. the method for work of the P2P flow medium live system based on DM6446 as claimed in claim 6; It is characterized in that in the said step 5), the audio frequency and video that player module obtains are the transport stream TS forms that mix; Player module is the demultiplexing audio frequency and video at first; Through calling Leonardo da Vinci's multimedia application DMAI interface, H.264 voice data MP3 and the video data with coding send the decoder that DSP holds to respectively, through calling the DMAI bank interface then; The decoded voice data of controls playing, the decoded video data of controls playing.
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| CN102006311A (en) * | 2010-12-28 | 2011-04-06 | 青岛海信网络科技股份有限公司 | Streaming media multifunctional distributing system and method |
| CN102665135A (en) * | 2012-04-18 | 2012-09-12 | 山东大学 | Embedded screen transmission system and operating method thereof |
| CN103794239A (en) * | 2012-10-30 | 2014-05-14 | 苏州矽湧科技有限公司 | Control system of MP3 player |
| CN104796768A (en) * | 2015-04-17 | 2015-07-22 | 苏州健雄职业技术学院 | OMAP (open multimedia application platform) hardware decoding acceleration based embedded high-definition media player and operation method thereof |
| HK1209967A2 (en) * | 2015-11-20 | 2017-02-03 | 李應樵 | Output content auto-customisation host device, method and system therefor |
| CN106817613B (en) * | 2015-11-30 | 2020-08-28 | 腾讯科技（深圳）有限公司 | Method and device for playing audio and video contents |
| CN106899881B (en) * | 2017-02-06 | 2020-08-21 | 合肥杰发科技有限公司 | Audio and video file playing method and device |
| CN107333179A (en) * | 2017-06-27 | 2017-11-07 | 青岛海信电器股份有限公司 | A kind of player method and device of video of starting shooting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567282A (en) * | 2003-06-30 | 2005-01-19 | 杨心怀 | Multifunctional composite mould portable digital audio player |
| CN101365082A (en) * | 2008-10-08 | 2009-02-11 | 南京邮电大学 | Set-top box on screen display system implementing method based on peer-to-peer computing technique |
-
2010
- 2010-01-04 CN CN 201010011304 patent/CN101827116B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1567282A (en) * | 2003-06-30 | 2005-01-19 | 杨心怀 | Multifunctional composite mould portable digital audio player |
| CN101365082A (en) * | 2008-10-08 | 2009-02-11 | 南京邮电大学 | Set-top box on screen display system implementing method based on peer-to-peer computing technique |
Non-Patent Citations (1)
| Title |
|---|
| 杜宇等.基于TMS320DM6446的音频系统硬件设计.《信息技术》.2008,(第11期),第18页. * |
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