WO2005004011A1

WO2005004011A1 - A embedded intelligent media network, a embedded intelligent media player and the method thereof

Info

Publication number: WO2005004011A1
Application number: PCT/CN2004/000758
Authority: WO
Inventors: Victor Wei Mo
Original assignee: Victor Wei Mo
Priority date: 2003-07-07
Filing date: 2004-07-06
Publication date: 2005-01-13
Also published as: CN1567293A; CN100356366C

Abstract

An embedded intelligent media network system, an embedded intelligent media player and the method thereof. The system comprises: a NOC (Network Operation Center), a network, a terminal playing equipment and an embedded intelligent media player. The embedded intelligent media player comprises: a CPU, a decompression chip, a video switch, a memory. The method comprises: the embedded intelligent media player determines the commands which are sent from the terminal playing equipment, and plays media files according to the determination of those commands, and then sends out control commands to the video switch; the video switch switches the output of the embedded intelligent media player to a display when it receives the control commands; after finishing to play the media files, the embedded intelligent media player records the circumstances of playing in a log file, and at the same time, the video switch switches the video output of the terminal playing equipment to the display.

Description

Embedded intelligent multimedia player system, embedded intelligent multimedia player and method thereof

Technical field

The invention relates to the technical field of multimedia playback, in particular to an embedded intelligent multimedia playback system, an embedded intelligent multimedia player and a method thereof.

Background technique

EIGU (Embedded Intelligent Media Network)-The embedded intelligent multimedia playback system is based on the narrowcasting theory. The overall system design is based on embedded hardware and software technologies, relying on the international and domestic broadband network technology, and a comprehensive architecture. Dedicated video multimedia advertising information system based on segmented architecture and client-server technology. China's advertising industry is an emerging industry that has flourished after reform and liberalization. With the rapid development of economic construction, the advertising industry has widely used various new media technologies to send information on various products and services to users. With information circulation as a guide, the circulation of goods and production has been greatly promoted. According to data from the State Administration for Industry and Commerce, China ’s total advertising volume in 2001 was $ 11.2 billion, an increase of 16% over 2000. Since 1998, China's advertising market has been growing at a rate of more than 15% per year, and is expected to continue to grow at this rate, reaching $ 15 billion by 2004. However, as the main media that the advertising industry currently relies on is the broadcast (Broad Casting) method, the technology is also dominated by traditional technologies. Basically it belongs to "non-targeting" and "broadcasting." For advertising performance evaluation, only statistical sampling and statistical probability can be used. The international and domestic advertising industry is anxious to find new advertising technologies and new media in order to achieve more targeted and accurate advertising goals, and to scientifically evaluate the actual benefits of advertising. Effective advertising is the result of a whole new concept. The EIM-embedded intelligent multimedia playback system of the present invention is based on the concept of effective advertising, and provides a complete solution for achieving effective advertising. Based on the above background, the EIMN-embedded intelligent multimedia player system has built a brand new advertising media distribution network with its comprehensive system design. A huge ATM (Automated Teller Machine) and a gas dispenser are used as the playback points of new media; a high-quality and low-cost embedded intelligent multimedia playback terminal designed with advanced embedded technology and an intelligent differential virtual professional built on broadband communication technology The Internet is connected; it solves three basic problems that cannot be solved by all current media playback methods: 1. 100% arrival rate (viewing rate); 2. Fixed-point and regular release to audiences with higher education levels and higher spending power ; 3. Real-time feedback of playback records to provide users with accurate and credible advertising performance measurement data basis. ATM (automatic teller machine) users are highly focused on the screen when making withdrawals or making account balance inquiries. And the groups that often use ATM are the groups with higher consumption ability and higher awareness of advertising. The use of ATM transactions to wait for free time to post one-to-one dynamic multimedia advertising messages on the display screen has become the dream of many people. Commercial experiments have been conducted at Bank of America in Los Angeles and WellsFargo Bank in San Francisco. However, since the current technical solutions adopted abroad are focused on how to use ATM's built-in computer to complete the playback task, media updates are performed through the bank's ATM machine operating network. And the banking industry is very cautious and even negative about any non-financial business entering its own operating system and any non-operating data entering its own network system. Therefore, at present, various schemes that use ATM itself for advertisement playback and ATM machine operation network for media transmission have not achieved breakthrough progress.

In response to the problems raised above, the EIMN embedded intelligent multimedia player system creatively applies embedded intelligent multimedia player technology and a highly secure intelligent network architecture that is completely independent of the bank's operating network to achieve the construction of this new type of interactive advertising media.

Since China joined WT0, foreign banks have begun to enter the Chinese market. They have brought not only advanced technology, but also a variety of novel service methods. The Chinese banking industry is facing increasingly fierce market competition. Winning the competition, providing the best service to customers, continuously expanding the scope of services, and enhancing the competitiveness of the international market, so as to establish an international brand effect are the goals that banks are competing for. In addition, based on the evaluation of TV station advertising effectiveness and the evaluation of other video advertising media (such as: online advertising media, airport video advertising media), the use of EIMN embedded intelligent multimedia playback system to achieve 100% effective viewing rate and accuracy The evaluation of advertising effectiveness will create a new era for advertising media, truly realize the dream of effective advertising media, and have unparalleled advantages of all previous media. The uniqueness of the EIMN embedded intelligent multimedia player system can be specifically applied to the bank's existing personal financial service system, so that the bank not only improves its own service image, but also obtains considerable economic benefits through value-added services. The prototype of this system has passed the laboratory test of a wholly state-owned bank in China and has already run the test on the production machine. It is about to enter the stage of large-scale commercial experiment. All major banks have shown strong interest in the EIMN embedded intelligent multimedia playback system, and agreed that this technology and system "filled a gap in the ATM operation market". Cooperation with several major banks is currently underway. Summary of the invention

An object of the present invention is to provide an embedded intelligent multimedia player system, an embedded intelligent multimedia player, and a method thereof. The object of the present invention is achieved by the following technical solutions. See Figure 1.

An embedded intelligent multimedia player system is composed of a network control center, a network, a playback terminal device, and an embedded intelligent multimedia player. The system works in a way that the embedded intelligent multimedia player is built in or external to the playback terminal device. Connected to the playback terminal device (2), sharing the display of the playback terminal device through the built-in smart multimedia player or external video switcher (39), the embedded smart multimedia player via the network and the network control center (1) Connected for playing multimedia information sent by the network control center over the network;

The embedded intelligent multimedia player receives the control instruction of the playback terminal device (16) and implements the media playback according to the instruction. According to the control command issued by the network control center (1), the embedded intelligent multimedia player transmits the playback log to the network via the network. The control center (1), and download new playback instructions and control information from the network control center; This system manages and controls the embedded intelligent multimedia player (4) through the network control center and statistics the playback situation through the network control center.

The network refers to the intelligent differential virtual private network and includes:

Physical connection layer-access the Internet using wired methods including ISDN, ADSL, and data lines; Physical connection layer-access the Internet using wireless methods including Internet, microwave, CDMA, GSM, PHS digital access, wireless communication 2G to 3G digital communication method, single / bidirectional digital satellite access;

The network physical address IP of each playback client and one terminal point in this network structure is dynamically assigned;

The requirements for connecting the network control center in this network structure are initiated by the playback client-terminal point; the playback client-terminal point implements the intelligent differential communication function by receiving and updating the playback control instruction module.

It also includes: a play management scheduling system, where:

NOC (Network Operation Center) network control center, including:

A server (11) for storing information, for issuing a play instruction and a control instruction, and for managing the player;

Firewall (12) — used to block access outside this system;

Router (13) — used to connect the network and the server and provide its routing;

Management scheduling system software, including player management system, media playback scheduling system and access control: Player management system:

(41) can directly manage the players distributed in different locations, control their working status, and can query their working conditions at any time through the play log query system (44); the player management system (41) also It can monitor the working condition of each player in real time through the abnormal problem alarm system (45). A normal player can automatically alarm and notify the network administrator for maintenance;

Media playback scheduling system (46):

The central system control part of the EIMN embedded intelligent multimedia playback system can not only manage each player separately through player management (46), but also through player group management (48) according to the area and location of the player Or specific free grouping of customers, and media release through media release management (47), designating a group of players to play media files of specific customers within a specified period of time; meanwhile, users and customers can inquire at any time, every day The playback of the player;

Access control:

A system for precise management of users of the playback management scheduling system, which can independently assign usage rights and time periods to each user through user management (49); increase access rights for customers through customer management (50), customers can only browse The media playback situation related to itself; in addition, the access log query module (51) of this system accurately records the access time of each user, which is convenient for the system administrator to track.

The playback terminal equipment includes:

ATM machine with video display function, fuel dispenser with video display function, video display device and text display device for outdoor, indoor and transportation; display devices include CRT display, liquid crystal display, high brightness liquid crystal display, dot matrix Display, TV, projection TV.

Embedded intelligent multimedia player includes-embedded hardware structure and embedded software structure;

The composition of the embedded hardware structure is:

The central processing unit (18) is connected to the decompression chip (20), and the internal memory (27) and the external memory (28) are used to transmit the information transmitted by the playback control instruction to the decompression chip (20) and the internal memory ( 27) and external memory (28); a decompression chip (20), for decompressing a media file and transmitting the decompressed video stream signal to a video switching device (31); an internal memory (27) and an external memory (28) For storing information of the central processing unit; a built-in or external video switcher (31), which enables the embedded intelligent multimedia player to share a display with a playback terminal device through video switching (39);

The composition of the embedded software structure is:

The client control program (35) is the core part of the video player. It is responsible for the logical control of all video playback and data exchange with the network control center; the playback component (36) receives the control signal sent at any time and according to the playback terminal device (2) The control instruction plays the corresponding media content in the playing area; Recording component (37) After the video file is completely played, it will check the log record table and create a new day's Record; the communication component (38) establishes a connection with the server (11) and sends a connection request to the network device at a specified network connection time according to the settings in the player status table to establish a network connection; when the communication link is established, The client control program (35) can perform recording, status information return, time synchronization, new instructions and video download with the server (11).

The working method of the video playback module includes the following steps:

When the embedded intelligent multimedia player receives the control instruction from the playback terminal device, it judges the instruction;

Playing a media file according to the determined instruction, and sending a control instruction to the switcher at the same time;

When the switch receives the control instruction, it switches the video output of the display to the embedded intelligent multimedia player;

When the media file playback is completed, the embedded smart multimedia player records the playback situation in a log file.

The network module working method includes the following steps-cyclically detecting whether the network connection time is reached;

When the network connection time is reached, try to connect to the network;

When the predetermined number of attempts is reached and the network cannot be connected, return to step 7.1;

After the network is connected, return the log file;

Check whether there are new control instructions and playback instructions in the network center, and download them if any; disconnect the network.

The working method of the network control center includes the following steps;

Give play instructions to the player;

Store media files;

Provide time synchronization services;

Send control information to the player;

Monitor the working status of the player;

Collecting and playing broadcasts;

Schedule and manage the player;

Generate and provide users with media playback records and corresponding reports.

1.1 Description of the way the system works

Embedded intelligent multimedia player (4) Built-in in the playback terminal device or externally connected to the playback terminal device (2), sharing the playback terminal through the built-in intelligent multimedia player or an external video switcher The device display (39), the embedded intelligent multimedia player is connected to the network control center (1) through the network, and is used to play multimedia information sent by the network control center through the network;

The embedded intelligent multimedia player receives the control instruction (16) of the playback terminal device and implements the media playback according to the instruction. According to the control command issued by the network control center, the embedded intelligent multimedia player returns the playback log to the network control center (1) through the network, and downloads new playback instructions and control information from the network control center. This system manages and controls the embedded intelligent multimedia player (4) through the network control center, and statistics the playback situation through the network control center. See attached figure 1.

1.1 Network description

The network in this system refers to the intelligent differential unscheduled virtual private network, including:

Physical connection layer-use wired method to access the Internet. INTERNET includes ISDN, ADSL, and dedicated data lines; use wireless method to access the Internet. INTERNET includes microwave, CDMA, GSM, PHS digital access, and wireless communication. , Single / bidirectional digital satellite access. In this network structure, the physical address IP of each playback client-end point network is dynamically allocated. The requirements for connecting to the network control center in this network structure are initiated by a playback client-terminal point. A client terminal of the playback client implements the intelligent differential unscheduled communication function by receiving an update of the playback control instruction module. See attached figure 1.

1.2 Description of Play Management Scheduling System

Includes NOC (Network Operation Center) network control center and management scheduling system software. NOC (Network Operation Center):

Firewall (12) — used to block access outside this system;

Router (13) — Used to connect networks and servers and provide their routing.

Player management system software-used to manage all embedded intelligent multimedia players in the network and send control instructions such as playback control, online time, and media update, and monitor and record each embedded intelligent multimedia player. Working status. Management scheduling system software, including player management system, media playback scheduling system and access control: player management system

(41) can directly manage the players distributed in different places, control their working status, and can query their working conditions at any time through the play log query system (44). Player management system (41) It can also monitor the working condition of each player in real time through the abnormal problem alarm system (45). For players that are not working properly, it can automatically alarm and notify the network administrator for maintenance. See Figure 6.

Media player scheduling system (46)

The central system control part of the EIMN embedded intelligent multimedia playback system can not only manage each player separately through player management (46), but also through player group management (48) according to the area and location of the player Or specific free grouping of customers, and media release through media release management (47), designating a group of players to play media files of a specific customer within a specified time period. At the same time, users and customers can check the playback of each day and each player at any time. See Figure 6.

Access control

A system for precise management for users of the playback management scheduling system. User rights (49) can be assigned to each user independently and time period. Through the customer management (50) to increase the access rights for customers, customers can only browse the media playback related to themselves. In addition, the access log query module (51) of this system accurately records the access time of each user, which is convenient for the system administrator to track. See Figure 6.

1.3 Description of Playback Device

The playback terminal equipment (2) is an ATM machine with a video display function, a gas dispenser with a video display function, and a video display device and a text display device outdoors, indoors, and in a vehicle. Display devices include CRT monitors, liquid crystal displays, high-brightness liquid crystal displays, dot matrix displays, televisions, and projection televisions.

1. 4 Description of Embedded Smart Multimedia Player

Embedded intelligent multimedia player (4), including embedded hardware structure and embedded software structure: Please refer to FIG. 2.

The composition of the embedded hardware structure is:

The central processing unit (18) is connected to the decompression chip (20), and the internal memory (27) and the external memory (28) are used to transmit the information transmitted by the playback control instruction to the decompression chip (20) and the internal memory ( 27) and external memory (28); a decompression chip (20) for decompressing a media file and transmitting the decompressed video stream signal to a video switch device; an internal memory (27) and an external memory. (28), used For storing the information of the central processing unit. A built-in or external video switcher (31), which enables an embedded intelligent multimedia player to share a display with a playback terminal device through video switching (39).

The structure of the embedded software structure is as follows: Please refer to FIG. 3.

The client control program (35) is the core part of the video player, it is responsible for the logical control of all video playback Control and data exchange with the network control center. The playback component (36) receives the control signal sent out at any time and plays the corresponding media content in the playing area according to the control instruction of the playback terminal device (2). Recording component (37) After the video file is completely played, it will check the log record table and create a new day's record. The communication component (38) establishes a connection with the server and sends a connection request to the network device at a specified network connection time according to the settings in the player status table to establish a network connection. After the communication link is established, the client control program (35) and the server (11) can perform recording, status information return, time synchronization, new instructions, and video download. BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the structure of an embedded intelligent multimedia playback system;

Fig. 2 is a logic and hardware structure diagram of the embedded intelligent multimedia player circuit; Fig. 3 is a working flowchart of the embedded intelligent multimedia player; Fig. 4 is a flowchart of the embedded intelligent multimedia video playback module; Fig. 5 is an embedded intelligent multimedia network module Flowchart; Figure 6 is a flowchart of embedded intelligent multimedia playback management and scheduling; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Figure 1 is a schematic diagram of the structure of an embedded intelligent multimedia playback system, which includes a network control center (1) and a playback terminal device (2). The client advertisement content and playback instructions (10) are sent to the media dispatch server and file server (11) through the network, and the server (11) is connected to the Internet through the firewall (12), the router (13), and the broadband network access device (14) 15), and dynamically connect with the playback terminal device (2). The media player (4) on the one hand receives new advertisement content and playback instructions (10) through the broadband network access device (14), and returns the advertisement playback log to the server (11), and on the other hand receives the ATM machine (3) ) The control signal (6) sent by the control signal (6) to play the corresponding advertising video, and at the same time switch the ATM video signal (5) that was originally output to the ATM display (39) through the video cable (7) to Video output from the media player (4). And start the sound from the speaker (9) through the audio cable (8). Figure 2 is a block diagram of embedded hardware

In Figure 2, the control port 1 (17) of the embedded media player (4) receives the playback control instruction (6) After that, it is transmitted to the central processing unit (18) for analysis and determination of the content of advertisement playing. Then the central processing unit (18) sends control signals and data (19) to the decompression chip (20) on the one hand, and sends to the single-chip processor (33) of the video switch (31) through the control port 2 (21) on the other hand Switch control instruction (29). After receiving the playback instruction, the decompression chip (20) sends a video file request (19) to the central processing unit (18). After receiving, the central processing unit (18) sends to the internal memory (27) and the external memory (28) ) Send the read file command (25) (26). The internal memory (27) and the external memory (28) transmit the data signal (24) to the decompression chip (20). The decompression chip (20) is operated to transmit the video stream (22) to the video processor (32) of the video switch (31). The video processor (32) switches the video signal (5) from the ATM machine to the video stream (22) from the decompression chip (20) through the relay (16) according to the instruction of the single-chip processor (33), and outputs it from the video output port. (7) Output.

Figure 3 is the logical structure of the media player

In Figure 3, the media player consists of five parts: a video switcher (31), a playback component (36), a recording component (37), a communication component (38), and a client control program (35). The client control program (35) controls the video switcher (31), the playback component (36), the recording component (37), and the communication component (38).

FIG. 4 is a flowchart of a video playback module. In FIG. 4, the video playback module continuously detects the control instruction sent by the ATM machine. After receiving the control instruction, it first determines the instruction. On the other hand, a switching control instruction is sent to the switcher. During the video playback, the video playback module continuously detects whether the ATM machine issued a control instruction to stop playback. If so, it stops playback and re-detects the control instruction issued by the ATM machine. If the playback is complete, it records the number of playbacks, and then re-detects the ATM. Control instructions issued by the machine. Figure 5 is a flowchart of the network module. In Figure 5, the network module continuously checks whether the network connection time is reached. If it arrives, it starts the process of connecting to the Internet. If it cannot connect due to a network failure, it tries to reconnect. , Then cancel this Internet process and wait for the next network connection time to connect again. If the network is connected, go to the FTP module, upload logs, download files and update programs. After the network connection is completed, the network connection is disconnected and waits for the next network connection time. FIG. 6 is a flowchart of the playback management scheduling. In FIG. 6, the playback management scheduling system (40) is a comprehensive system for comprehensive management and control of the embedded intelligent media playback network and the embedded intelligent media player. At the same time, it is also a customer-oriented media broadcaster. Real-time query system. The player management system (41) can directly manage the players distributed in different places, control their working status, and query their working status at any time through the play log query system (44). The player management system (41) can also monitor the working condition of each player in real time through the abnormal problem alarm system (45). For players that are not working properly, it can automatically alarm and notify the network administrator for maintenance. Media scheduling management (42) can not only manage each player separately through player management (46), but also through player group management (48) according to the area, location of the player, or specific free grouping by the customer , And perform media release through the media release management (47), and specify a group of players to play the media files of a specific customer in a specified period of time. At the same time, users and customers can check the playback status of each day and each player at any time. Access control (43), a system for accurate management for users of the playback management scheduling system. User rights (49) can be assigned to each user independently and use time period. Through the customer management (50) to increase access for customers, customers can only browse the media playback related to themselves. In addition, the access log query module (51) of this system accurately records the access time of each user, which is convenient for the system administrator to track.

Specific implementation method

1. 5 overall design

1. 5. 1 system features and functional modules

EIMN embedded intelligent multimedia playback system utilizes the world's leading embedded system software / hardware technology, high-quality video streaming media processing technology, and information network technology. Advertisers' ads can be immediately placed in front of the target audience at the point of sale. Advertisers can arbitrarily specify where and when. The system also predicts the delivery results for advertisers and provides accurate delivery / audience statistics reports. Maximize the effectiveness of advertising.

Embedded software and hardware technology is currently one of the mainstream technologies for the rapid promotion and application of information technology to the economy, production, and life in military science and technology in various countries. Considering the high-reliability and low-maintenance working environment required by ATM and tanker, using embedded technology is the natural choice. This system adopts embedded technology in the design and architecture of the system, which just reflects the idea of simplifying complexity and returning to simplicity. The EIMN embedded intelligent multimedia playback system is composed of the following parts and subsystems: Please refer to Figure 1.

1. 5. 2 Embedded Intelligent Multimedia Player-The playback terminal composed of hardware has a simple structure and clear functions. High reliability and extremely low maintenance. No mechanical moving parts to minimize failure points;

1. 5. 3 Program-controlled video switching components-using embedded technology to achieve high-speed smooth video switching sharing the display screen with the ATM machine;

1. 5. 4 Embedded operating system-The independently developed operating system is optimized as much as possible on the basis of supporting dedicated application functions. The operating system is only 6 megabytes;

1. 5. 5 Intelligent differential non-scheduled virtual private network-fully considers network security and communication efficiency, adopts digital signature authentication technology and intelligent differential non-scheduled communication method (similar to frequency hopping technology).

1. 5. 6 N0C Network Control Center-is the heart and brain of this system. It can not only achieve high-quality and fast downloading, timing, fixed-point, directional playback, and rapid and timely updates, but also accurate statistics and timely feedback of audience information at each playback point. Its composition is:

1. 5. 7 The N0C database and NOC WEB server provide an interactive service interface to advertisers / advertisers through the Internet, so that users can dynamically watch their advertising effects through a friendly service interface (day, week, region) Playbacks / audiences) for performance measurement.

1. 6 system development and operating environment

The embedded intelligent multimedia player runs in the embedded operating system environment. The playback control and management software of the NOC network control center is based on the Linux operating system and the MySql database.

1. 7 working principle

The EIMN embedded intelligent multimedia player system consists of an embedded intelligent multimedia player, an intelligent differential unscheduled virtual private network, and a NOC network control center. Its basic working method is:

1. 7. 1 The embedded intelligent multimedia player is an embedded system that is physically completely separated from the built-in computer of the ATM machine. The system can be installed inside the ATM when applied to a lobby ATM; the system can be installed outside the ATM when applied to a through-wall ATM. See attached picture 2.

1. 7. 2 The connection between the embedded intelligent multimedia player and the ATM built-in computer is only a one-way signal. When the screen of the ATM machine is in a waiting state, according to the agreed protocol, the built-in computer of the ATM machine will send a control signal to the embedded intelligent multimedia player. After receiving the control signal, the embedded intelligent multimedia player will start and play the corresponding video media. At the same time, the CRT or LCD monitor screen of the ATM machine will be switched to the embedded intelligent multimedia player through the video switcher. The media played by the embedded smart multimedia player will be smoothly displayed on the ATM screen. When the system receives the end signal from the ATM built-in computer, the embedded intelligent multimedia player will immediately stop the media playback and switch the ATM machine's display screen back to the video output of the ATM built-in computer through the video switcher. See Figure 4. 1. 7. 3 «Recording and Condensing ^ Generate a media broadcast day record. Manage scheduled video media in storage media. According to the control instruction module issued by the network control center (NOC), perform network connection, upload record logs, detect media update commands and download updated video media according to the update instructions, and perform digital signature check on the media. See Figure 5.

1. 7. 4 Unstable Unsupported Embedded intelligent multimedia player Supports the establishment of a dynamic time-sharing broadband connection with the Network Control Center (N0C) through a virtual private network. Its composition is:

1. 7. 4. 1 Physically connected public broadband networks are mature, fast-growing, and highly reliable in China. It can provide a solid IP-layer physical construction foundation for the network support subsystem while continuously reducing operating costs.

1. 7. 4. 2 The network control application module in the embedded intelligent multimedia player is responsible for starting the virtual dial function according to the connection time specified in the local control module to establish a connection with the network control center (NOC) IP. Immediately after the connection is established, upload the play record and check if there are new video media downloads. If there is a download instruction, execute it and download a new control module after completion. For a detailed function description, see Figure 5.

Because the main function of the ATM is to exchange financial services, the system must ensure the normal business operation of the ATM. The built-in computer of the ATM machine is responsible for sending video switching signals to the embedded intelligent multimedia player. It is determined whether the display interface of the ATM machine is a business interface or a video media or advertising interface. The network control center is responsible for downloading the advertisement data to the embedded intelligent multimedia player, determining the next communication time between the ATM machine and the NOC network control center, and collecting the number of times the advertisement is played on the ATM machine. Considering the system's performance, stability and cost, the NOC network control center chose MySQL as the back-end database of the entire system.

1. 8 system detailed design

1. 8. 1 design index of embedded intelligent multimedia video player

In the embedded intelligent multimedia playback system, the embedded intelligent multimedia video player is the most important part. Its main functions are:

1. 8. 1.1 Can play MPEG-I, MPEG-2, MPEG-4, and video streams with a bit rate of 2Mbytes / sec or less.

1. 8. 1.2 Can receive ATM control instructions, play or stop playing different video and stereo sound

(At least 3 video files to choose from).

1. 8. 1.3 After the playback is completed, the number of the video file to be played can be recorded in the database of the unit, and the number of playbacks can be counted.

1. 8. 1. 4 can generate a record every day, and can keep 2 years of records in the player.

1. 8. 1. 5 can automatically monitor the status of the database, if the number of records reaches a critical value, the department is automatically deleted Sub record.

1. 8. 1. 6 Network transmission function, can connect and disconnect the network according to the preset time. That is, the connection is established and disconnected adaptively according to the connection situation. The playback records that are not returned or changed are returned to the specified database on the specified server. At the same time, the status information of the machine is transmitted back to the designated server.

1. 8. 1. 7 Supports resume resume. When the transmission is interrupted, it can automatically re-establish the connection and resume the transmission.

1. 8. 1. 8 All data transmitted over the network can be transmitted in encrypted form.

1. 8. 1. 9 Can detect whether there are new playback requirements and video files required to be played in the specified server. If there is no information in the non-current playback area, it can be downloaded to the unit.

1. 8. 1. 10 All configuration information related to the operation of this machine can be recorded in the text file of this machine and can be changed at any time. Ability to detect and download the latest native configuration files.

1. 8. 1. 11 Work other than video playback can run in the background at the same time. Does not affect the normal playback of the video.

1. 8. 1. 12 The complete error handling function can provide corresponding measures for various possible error states.

1. 8. 2 Structure of Embedded Intelligent Multimedia Video Player

According to the functions that the embedded intelligent multimedia video player is required to complete, the design structure of the video player is shown in Figure 2 attached. Its structure includes: Embedded hardware structure and embedded software structure:

1. 8. 2. 1 The central processing unit (18) of the embedded hardware structure is connected to the decompression chip (20), and the internal memory (27) and the external memory (28). Decompressing chip (20), internal memory (27) and external memory (28); decompressing chip (20), for decompressing media files and transmitting the decompressed video stream signal to the video switch device; the internal memory ( 27) and external memory (28), which are used to store information of the central processing unit. A built-in or external video switcher (31), which enables an embedded intelligent multimedia player to share a display with a playback terminal device through video switching (39).

1. 8. 2. 2 The structure of the embedded software structure is as follows: Please refer to FIG. 3. 1.8.2.3 The client control program (35) is the core part of the video player. It is responsible for the logical control of all video playback and data exchange with the network control center. The playback component (36) receives the control signal sent out at any time and plays the corresponding media content in the playing area according to the control instruction of the playback terminal device (2). Recording component (37) After the video file is completely played, it will check the log record table and create a new day's record. The communication component (38) establishes a connection with the server and sends a connection request to the network device at a specified network connection time according to the settings in the player status table to establish a network connection. After the communication link is established, the client control program (35) and the server (11) can perform recording, status information return, time synchronization, new instructions and video download.

1.9 Video switcher The video switcher is responsible for switching between videos, that is, when the user performs a withdrawal operation, the switcher ensures that the normal business interface is provided to the user. The interface of the ATM machine is switched to the advertisement playback interface. The following describes the design requirements in detail

1.9.1.1 When two PCs share one monitor, the display signal can be switched according to instructions. 1.9.1.2 The response speed is fast, and the switching time is within 0.2 seconds. 1.9.1.3 It can meet the display mode with 800 * 600 resolution and 85Hz refresh rate.

1.9.1.4 Stable performance, low temperature and humidity requirements for the working environment.

1.9.2 Software design index of embedded intelligent multimedia player, please refer to Figure 3 and Figure 4.

1.9.3 The software part of the embedded intelligent multimedia player (hereinafter referred to as the player) is the core part of the video player. It is responsible for the logical control of all video playback and data exchange with the ad server.

1.9.4 Main function 1. It can realize the receiving of video streaming media through the network, play according to the instructions, record the playback log, and return the playback log.

1.9.5 Design indicator 1. The playback record on the player shall be regularly repeated without omissions, and shall be correctly transmitted back to the ad server as soon as possible. 1. 9. 6 has a comprehensive ability to resist error situations. Make sure the program works in every situation.

1. 9. 7 Automatic update and run automatically.

1. 9. 8 Good operability and adjustability. Various parameters related to VMAT services can be easily adjusted.

1. 9. 9 Small CPU, memory and external memory resources, running in the background. Does not affect the normal operation of the player and playback of video streams.

1. 9. 10 Automatically identify network access devices, and automatically dial up to connect to the network.

1. 9. 11 Automatic update, which can monitor whether there is a new version of video playback software on the server side. If it exists, it can automatically download and complete the update.

1. 10 media playback management scheduling system

1. 10.1 The media playback scheduling system is the central system control part of the EIMN embedded intelligent multimedia playback system. It is a software system that dynamically and comprehensively manages the embedded media playback network. It can complete the system management of the player, the dynamic release and scheduling of media, the dynamic query of the play log, and the timely alarming of abnormal playback conditions. This system uses a friendly human-machine interface and interactive operation mode. It is a multi-user, high-efficiency, high-reliability, high-security, professional, intelligent integrated media playback network management system. See Figure 6.

1. 10. 2 Player Management System Software

The player management system can directly manage the players distributed in different locations, control their working status, and query the working status of each player. It can monitor the working condition of each player in real time. For players that are not working properly, it can automatically alarm and notify the network administrator for maintenance. See Figure 6.

1. 10. 3 Media Scheduling Management Software

Media distribution can be performed according to the area, location of the player, or a specific free group of the customer, and a group of players can be designated to play the media files of a specific customer within a specified period of time. At the same time, users and customers can check the playback status of each day and each player at any time. At the same time, access control is implemented. A system for precise management for users of the broadcast management scheduling system. You can assign usage rights and usage time periods to each user independently. Customers can only view media playbacks that are relevant to them. In addition, the system accurately records the visit time of each user. Figure 6.

Design requirements for media playback scheduling system 1.10.3.1 Friendly and beautiful interface, easy to use, fast and clear logic;

1.10.3.2 The data is accurate and reliable;

1.10.3.3 No redundant code or redundant page content;

1.10.3.4 Multi-user support, at least 100 users can use it at the same time;

1.10.3.5 Easy maintenance and high scalability;

1.10.3.6 is easy to transplant. By copying and connecting this scheduling system to a new database, a new system can be generated.

Claims

Rights request

1 An embedded intelligent multimedia playback system, consisting of a network control center, a network, a playback terminal device, and an embedded intelligent multimedia player, which is characterized by-

1. 1 Embedded intelligent multimedia player (4) Built-in in the playback terminal device or externally connected to the playback terminal device (2), sharing the playback terminal through the built-in intelligent multimedia player or external video switcher The device display (39), the embedded intelligent multimedia player is connected to the network control center (1) through the network, and is used to play the multimedia information sent by the network control center through the network;

1.2 The embedded intelligent multimedia player receives the control instruction of the playback terminal device (16) and implements the media playback according to the instruction. According to the control command issued by the network control center (1), the embedded intelligent multimedia player returns the playback via the network Log to the network control center (1), and download new playback instructions and control information from the network control center; this system manages and controls the embedded intelligent multimedia player (4) through the network control center and statistics playback through the network control center Happening.

2. The embedded intelligent multimedia playback system according to claim 1, wherein the network refers to an intelligent differential virtual private network, comprising:

2.1 Physical connection layer-a wired method to access the Internet INTERNET includes ISDN, ADSL, and data lines;

2.2 Physical connection layer-using wireless methods to access the Internet INTERNET includes microwave, CDMA, GSM, PHS digital access, 2G to 3G digital communication methods for wireless communication, and single / two-way digital satellite access;

2.3 In this network structure, the physical address IP of each playback client and one terminal point is dynamically assigned;

2.4 The requirements for connecting to the network control center in this network structure are initiated by the playback client-terminal point; the playback client-terminal point implements the intelligent differential communication function by receiving and updating the playback control instruction module.

3. The embedded intelligent multimedia playback system according to claim 1, further comprising: a playback management scheduling system, wherein: a NOC (Network Operation Center) network control center, including:

3.1 server (11)-used for storing information, used to issue playback instructions and control instructions, and used to manage the player;

3.2 firewall (12) — used to shield access except this system;

3.3 router (13) — used to connect the network and servers and provide their routing;

Management scheduling system software, including player management system, media playback scheduling system and access control:

3.4 player management system:

(41) can directly manage the players distributed in different places, control their working status, and can query their working conditions at any time through the play log query system (44); the player management system (41) can also pass The abnormal problem alarm system (45) monitors the working condition of each player in real time. For players that are not working properly, it can automatically alarm and notify the network administrator for maintenance;

3.5 Media Play Scheduling System (46):

The central system control part of EI Li embedded intelligent multimedia playback system can not only manage each player separately through player management (46), but also through player group management (48) according to the area where the player is located, Location, or specific free grouping of customers, and media release through media release management (47), designating a group of players to play media files of specific customers within a specified period of time; meanwhile, users and customers can inquire every day, every The playback of a player;

3. 6 access control:

4. The embedded intelligent multimedia playback system according to claim 1, wherein the playback terminal device comprises:

ATM machine with video display function, fuel dispenser with video display function, video display device and text display device for outdoor, indoor and vehicle transportation; display devices include CRT display, liquid crystal display, high brightness liquid crystal display, dot matrix Display, TV, projection TV.

5. The embedded intelligent multimedia player system according to claim 1, wherein the embedded intelligent multimedia player comprises:

Embedded hardware structure and embedded software structure:

5.1 The composition of the embedded hardware structure is:

The central processing unit (18) is connected to the decompression chip (20), and the internal memory (27) and the external memory (28) are used to transmit the information transmitted by the playback control instruction to the decompression chip (20) and the internal memory ( 27) and external memory (28); a decompression chip (20), for decompressing a media file and transmitting the decompressed video stream signal to a video switching device (31); an internal memory (27) and an external memory (28) , Used to store the information of the central processing unit; built-in or external video switcher (31), which enables the embedded intelligent multimedia player through video switching Share the display with the playback terminal device (39);

5.2 The composition of the embedded software structure is:

The client control program (35) is the core part of the video player. It is responsible for the logical control of all video playback and data exchange with the network control center; the playback component (36) receives the control signal sent at any time and according to the playback terminal device (2) The control instruction plays the corresponding media content in the playing area; Recording component (37) When the video file is completely played, it will check the log record table and create a new day's record; the communication component (38) is Establish a connection with the server (11) and send a connection request to the network device at a specified network connection time according to the settings in the player status table to establish a network connection; when the communication link is established, the client control program (35) then It can record with server (11), return status information, time synchronization, new instructions and video download.

6 An embedded intelligent multimedia player and a video playback module working method, including the following steps:

6. 1 When the embedded intelligent multimedia player receives the control instruction from the playback terminal device, the instruction is judged;

6.2 Play the media file according to the determined instruction, and send a control instruction to the switcher at the same time;

6.3 When the switch receives the control instruction, it will switch the video output of the display to the embedded intelligent multimedia player;

6.4 When the playback of the media file is completed, the embedded smart multimedia player records the playback situation in the log file.

7 An embedded intelligent multimedia player, a network module working method, including the following steps:

7. 1 cyclic detection whether the network connection time is reached;

7.2 When the network connection time is reached, try to connect to the network;

7. 3 When reaching the predetermined number of attempts and still unable to connect to the network, return to step 7;

7.4 After the network is connected, return the log file;

7. 5 Check if there are new control instructions and playback instructions in the network center, and download if any;

7. 6 Disconnect the network.

8 — an embedded intelligent multimedia playback system, a network control center working method, including the following steps to issue a playback instruction to the player;

Store media files;

8.3 Provide time synchronization services;

8.4 Send control information to the player;

8.5 Monitor the working status of the player;

8.6 Collecting summary playback logs;

8.7 Scheduling and managing the player;

8.8 Generate and provide users with media playback records and corresponding reports.