CN102609048A - Computer and method for playing audio and video files on demand - Google Patents
Computer and method for playing audio and video files on demand Download PDFInfo
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Abstract
The invention relates to a computer and a method for playing audio and video files on demand, specifically to a computer and a method capable of independently playing audio and video files on demand, belonging to the field of computers. The computer for playing the audio and video files on demand comprises a main board, a main CPU (central processing unit) module, a hard disk, an unzipping card for the audio and video files, a display card, a display, an input device and a network card; the computer is characterized in that the audio and video files can be independently played on demand, and a storage with a program package is arranged on the main board of the computer for playing the audio and video files on demand. The invention provides an on-demand playing method for managing the work of a single computer, and a user can play the audio and video files on demand through a human-computer interface. The computer and the method for playing audio and video files on demand have the following beneficial effects: the single computer for playing the audio and video files on demand can be moved and placed conveniently, and can be used in any occasion; the computer can be used online, so that the problem that the whole or part of the system cannot be used due to the collapse of a local area network or the damage of a server is solved; and with the program package for centralized control in the storage, multiple independent on-demand playing, service and management functions for the audio and video files can be realized.
Description
Technical field
The present invention relates to a kind of computer and method of audio/video on-demand, especially a kind of computer and the method that can independently carry out audio/video on-demand.Belong to computer realm.
Background technology
At present, known audio/video program program request computer is a kind of for adopting the workstation program request---server centered control method; Another kind of for adopting the STB program request---server centered control method.Workstation program request---server centered control method is to be formed by playback equipments such as working terminal broadcast system (program request computer, program-requesting software and DVD decompress(ion) card), Network Transmission computer (network interface card, crystal head, netting twine, switch), server centered control system (video server, central broadcast control system software, audio/video program resources bank server, resource management server), TV and sound equipment serial connection.The operation element website is broadcast the program-requesting software of computer; Send request instruction through web-transporting device to the server centered control system, through scheduling, communication, the decoding Broadcast Control of the central control system software of video server, and with the resource in the resources bank server; Reach workstation program request computer through web-transporting device; Through DVD decompress(ion) card decoding output audio-video signal, realize program request for playback equipments such as TV and sound equipment, many shortcomings are arranged.For example; Workstation program request computer only provides man-machine conversation operation interface (program-requesting software) and decodes and plays output stage (program request computer and DVD decompress(ion) card), is not independent program request computer, does not have the unit order method; Leaving the server centered control system can not work; The server centered control system will rely on complicated control system and network transmission device, transmits resource and realizes synchronous decoding Broadcast Control process to many workstations simultaneously, and not only the security of cost height but also total system and stability are low; Because factors such as the quality level of network transmission device and installation level; Timely, accurate, the safe realization of request that can't the safeguard work station, a bit big slightly or when having the computer of the workstation program request above tens to ask same resource simultaneously when audio-video document, will cause the busy no signal of network, request instruction low-response, transmission time grow, card machine and the machine phenomenon of delaying; Also exist LAN collapse or server to damage, cause serious consequence whole or that local system can't use.In addition; Another shortcoming that workstation program request---server centered control method exists is, can't transmit the audio-video document of bigger high image quality standard, supplies workstation program request computer to carry out real-time decoding and plays; Because adopt the server centered method; Its decoding Broadcast Control, communication and file transfer are all undertaken by server, take a large amount of network bandwidths, transmit so can only use smaller or equal to the substandard audio-video document of MPEG-1 (VCD) of typical bit transfer rate as 1.5Mbps; The image resolution ratio of MPEG-1 (VCD) standard has only 352 * 240 (TSC-system formulas) or 352 * 288 (pal modes), audio frequency 2 channel stereo.STB program request---server centered control method adopts embedded software decoded stream medium audio/video program, and uses the single-chip microcomputer output of decoding; The standard of its decodes and plays output stage is low; Can only adopt the network video video of high compression ratio file, carry out the real-time decoding transmission like the video stream media program of RM/RMVB form, its image and sound quality are also poorer than MPEG-1 (VCD); And STB program request equipment itself leaves the i.e. forfeiture effect of server centered control system.
Summary of the invention
In view of this; By eliminating the shortcoming of present employing technology, the invention provides a kind of computer and order method of audio/video on-demand, be connected in the audio frequency and video line and carry out program request on TV and the stereo set; This computer relies on the mode of the local audio and video resources of local ordering; Can directly supply the user to use by unit, can networking and participate in the LAN interactive service with workstation/server all-in-one mode, setting up becomes a unit and all can be used as the LAN that server uses.Do not need the server centered control system; Do not exist whole network or server system to damage the problem that causes on-demand device to use; Simultaneously, this computer can also the decode HD video and the surround sound effect of Broadcast Control Moving Picture Experts Group-2 provide multi-functional program request, service and management mode.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of audio/video on-demand computer is provided, comprises mainboard, CPU primary module, hard disk, audio frequency and video decompress(ion) card, video card, display, input equipment, network interface card, it is characterized in that independently to carry out audio/video on-demand; A built-in storer that package is housed on the computer main board of this audio/video on-demand.
The user uses input equipment to carry out program request through display; Program in storer cooperates processing with the CPU primary module after; Transfer the audio/video program resources bank in the hard disk, offer the decoding of audio frequency and video decompress(ion) card and adopt the audio frequency and video line to output to TV and sound equipment, realize play-on-demand program.
Package in the built-in storer of this audio/video on-demand computer main board comprises multifunction module group in main thread module, signal and communication module, program request instruction scheduling module, message processing module, Broadcast Control administration module, playing module, decoding management module, database management module, interface function administration module, input equipment administration module, application management module, network management module, scheduling of resource module, server management module, the multimedia-on-demand interface.
The present invention provides a kind of order method of managing unit work; Demonstrate a personal-machine dialog interface on the display of start back; The user carries out program request through man-machine dialog interface; Send request instruction through the signal and communication module to the main thread module; The main thread module cooperates through program request instruction scheduling module, interface function administration module, message processing module, database management module with the CPU primary module transfers the audio-video document in the hard disk, offers audio frequency and video decompress(ion) card decoding output through Broadcast Control administration module, playing module, decoding management module.
This invention also provides a kind of technology that integrates workstation and server; Through cooperating of main thread module in the storer on the mainboard and CPU primary module; Through message processing module, application management module, database management module, network management module, scheduling of resource module, server management module; This audio/video on-demand computer can be from obtaining resource in other audio/video on-demand computer in the LAN, or resource is provided for other audio/video on-demand computer in the LAN.
Adopt master audio/video program resources bank of forming by DVD and VCD file of database software coding method editor's typing in this audio/video on-demand computer.
But the audio frequency and video decompress(ion) card of this audio/video on-demand computer compatible universal standard.
This audio/video on-demand computer constructing local network, unit quantity is unrestricted in the net, and every unit all can be used as server and uses, and sets up the LAN that becomes a full server.
In this audio/video on-demand computer main board built-in storer cooperate with audio frequency and video decompress(ion) card have decodes and plays MPEG-2, ability that Doby AC-3 standard is looked audio frequency.
This audio/video on-demand computer has the computer function of the universal standard.
This audio/video on-demand computer adopts the main thread module to cooperate with the CPU primary module, through the assistance of input equipment administration module, application management module, has the ability of compatible various input equipments.
Storer in this audio/video on-demand computer main board can provide a personal-machine dialog interface, realizes Kara OK function, video display and Music Appreciation function, integrated service management function comprising the intelligent players with multiple some broadcast mode.
The invention has the beneficial effects as follows that audio/video on-demand computer unit moves and puts conveniently, can use in the occasion arbitrarily; Can networking; Do not need complicated server centered control system; In independent program request, can resource service be provided alternately with other identical audio/video on-demand computer in the LAN, solved LAN collapse or server and be damaged and cause problem whole or that local system can't use; Audio/video on-demand computer unit has complete order method and is convenient to independently sing and appreciate; The audio frequency and video decompress(ion) that can be the universal standard under MPEG (Motion Picture Experts Group) standard or other normal structure sticks into that row is integrated, Broadcast Control, management and service; The Broadcast Control of can decoding has the original like (DVD) video MPEG-2, audio frequency Doby AC-3 standard in the mpeg standard now, reaches the audio visual effect of 720P-1080P high definition image quality and Doby AC-3 surround sound tonequality; Adopt storer internal program group centralized control, realize multiple independently audio/video on-demand, service and management function simultaneously.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified;
Fig. 1 is this audio/video on-demand computer architecture figure.
Fig. 2 is this audio/video on-demand computer work schematic diagram.
Fig. 3 is this audio/video on-demand computer high-definition effect realization flow figure.
Fig. 4 is that this audio/video on-demand computer connects the LAN fundamental diagram.
Fig. 5 is this audio/video on-demand computer constructing local network schematic diagram.
Fig. 6 is the multiple functional module workflow diagram of this audio/video on-demand computer.
Among the figure: 1. mainboard, 2.CPU primary module, 3. hard disk, 4. storer, 5 audio frequency and video decompress(ion) cards, 6. network interface card, 7. video card, 8. display, 9. man-machine dialog interface, 10. input equipment.
Embodiment
To consult accompanying drawing now and specify the present invention.
Fig. 1 is this audio/video on-demand computer architecture figure; In Fig. 1, the audio/video on-demand computer comprises mainboard (1), CPU primary module (2), hard disk (3), storer (4), audio frequency and video decompress(ion) card (5), network interface card (6), video card (7), display (8), man-machine dialog interface (9), input equipment (10).This computer is the center with mainboard (1), is one of most important basic element of character, and it is installed in this computer, and the main circuit system that forms computing machine has been installed.CPU primary module (2) is plugged in the CPU slot of mainboard (1); Hard disk (3) is installed in this computer; Be plugged on through the connecting line plug on the IDE socket of mainboard (1), storer (4) is welded on the bus of mainboard (1), and audio frequency and video decompress(ion) card (5), network interface card (6), video card (7) are plugged in the PCI expansion slot of mainboard (1); Display (8) is plugged on the output port of video card (7) through the data connecting line plug; Man-machine dialog interface (9) is the interior main thread module of storer (4) and the operating platform of user interactions, goes up at display (8) to show that input equipment (10) is plugged on the mainboard (1) through the connecting line plug.
Introduce a kind of embodiment 1 of this order method below:
Fig. 2 is this audio/video on-demand computer work schematic diagram; In this diagram; A kind of like this audio/video program request method will be described: behind the audio/video on-demand booting computer, CPU primary module (2) is transferred the BIOS and the instruction of the operating system file in the hard disk (3) of mainboard (1), gets into operating system through video card (7) driving display (8); CPU primary module (2) is transferred the main thread module instruction in the storer (4) again, launches man-machine dialog interface (9) through video card (7) driving display (8) and gets into the program request waiting status.The user uses input equipment (10); Through man-machine dialog interface (9); Send request instruction through the main thread module of signal and communication module in storer, the main thread module is under the cooperation of CPU primary module, through the integrated of application management module, message processing module and service; Concerted action through each intermodule; Send the scheduling processing instruction with program request instruction scheduling module to CPU primary module (2), instruct response to man-machine dialog interface (9), call audio/video program with database management module program resources bank from hard disk (3) with the interface function administration module; Use playing module, decoding management module, Broadcast Control administration module broadcast, decoding management, Broadcast Control and audio-video signal outgoing management to be provided as audio frequency and video decompress(ion) card (5); Audio frequency and video decompress(ion) card (5) is accomplished the decoding of program resource and is driven the process that televisor and sound equipment are supplied with in output, and TV and sound equipment show the form of the video/audio signal that receives with image and sound, realizes play-on-demand program.
Introduce embodiments of the invention 2 below:
Fig. 3 is that this computer high-definition effect realizes schematic flow diagram; In this diagram; The method that a kind of like this high-definition effect of explanation is realized: pass through the concerted action between a series of program modules and hardware down through program resources bank in storer (4), CPU primary module (2), hard disk (3) of the main thread module in the storer, playing module, decoding management module, Broadcast Control administration module, database management module, the cooperation of audio frequency and video decompress(ion) card (5), make the image of high definition image quality and the sound effect of surround sound tonequality in TV and sound equipment, display the play out.This method can be that audio frequency and video decompress(ion) any a existing or following upgrading under MPEG (Motion Picture Experts Group) standard or other normal structure sticks into that row is integrated, Broadcast Control, management and service, all the video/audio standard programs in the existing mpeg standard of the Broadcast Control of can decoding.For example, adopt the original of video MPEG-2, audio frequency Doby AC-3 standard, form the audio visual effect of 720P-1080P high definition image quality and Doby AC-3 surround sound tonequality, satisfy user's appreciation demand.Adopt the local mode of playing local image video; The audio/video program .WOB of MPEG-2 (DVD) and MPEG-1 (VCD) standard and the original of .DAT form are carried out code storage in local hard drive (3); Adopt MPEG-2 audio frequency and video decompress(ion) card that these originals are carried out decodes and plays, the aspect ratio of senior (HighLevel) of its input picture form level is 16: 9, form 1920X1080X30; Tonequality is Doby AC-3 standard, and code check reaches 1M to 10Mbps.MPEG-2 has improved more than four times than 320 * 240 resolution of MPEG1; The audio quality also obviously improves, and has reached the standard of 24bit/96kHz, and has supported plug-in captions and sound channel; And digital control function such as multi-angle appreciation, the data traffic of therefore in the unit interval, broadcasting heightens.Doby AC-3 audio standard can be supported 5.1 or 7.1 sound channels.The data traffic standard of AC-3 be 384kbps, the stereo and monophony of its also compatible two sound channel etc., AC-3 two sound channel code checks have only 128kbps, this is exactly the voice data code check of MP3 in fact.The AC-3 standard of high details, code check be at 448kbps,
Introduce embodiments of the invention 3 below:
This audio/video on-demand computer can be realized workstation/server all-in-one function, and Fig. 4 connects the LAN fundamental diagram with this audio/video on-demand computer.Fig. 5 is with this audio/video on-demand computer constructing local network schematic diagram.Behind this booting computer, CPU primary module (2) is searched network interface card (6) and is set up network through switch with other audio/video on-demand computer in the network and be connected, and gets into network communication and interactive service state.This computer expert crosses the main thread module under the cooperation of storer (4) and CPU primary module (2); Instruction is dispatched and is handled to resource request; When this locality outwards proposes the resource request instruction; Outwards go up teletype command by network management module through LAN, obtain the resource service that nonlocal identical audio/video on-demand computer provides; Sending resource request when instruction through LAN to this locality when the other places, is that nonlocal identical audio/video on-demand computer provides resource service by server capability module, network management module, scheduling of resource module.When this computer is incorporated the LAN networking into; Do not need complicated server centered control system, can free constructing local network, the platform number of connection is unrestricted in net; Every unit all can be used as server and uses, and sets up the LAN that becomes a full server.Particularly; Can strengthen the audio/video program resources bank quantity in the hard disk in any one audio/video on-demand computer arbitrarily; Different resource storehouse programme content that also can the interleaved some makes whole program resources bank be amplified to enough uses, and does not receive the influence of any LAN system.
Introduce embodiments of the invention 4 below:
Fig. 5 is the multiple functional module workflow diagram of this computer; In this diagram; With the explanation integrated method of application of multiple functional module in a kind of computer like this; It is through a multimedia-on-demand interface, and link and management have multimedia player function, Karaoke song ordering function, video display and Music Appreciation function, integrated service and the management function of multiple some broadcast mode.Also can realize functions such as Internet connection, trivial games, online upgrading, make whole audio/video on-demand computer more humane, satisfy the more user demand of user.Through operation to multifunction module group in the multimedia-on-demand interface under the man-machine dialog interface; Make main thread module, multimedia player functional module, Kara OK function module, appreciate functional module, integrated service and administration module, computer function module be in the concerted action of passing through under the cooperation of storer, CPU primary module between a series of program modules and hardware, realizes above-mentioned multiple function.
The present invention has realized multimedia man-machine conversation program request interface; Utilize main thread module and integrated memory chip technology to make on-demand process more be imbued with the independence and the convenience of complete machine; The arbitrariness of order method and agility; Freedom and security that networking is used make image and sound more high-quality, and the program request interface more is imbued with appreciating and recreational.The point multicast function is numerous more to be imbued with intelligent the present invention and to provide the foundation for digital audio/video program distribution, and chargeing to charge for program request provides data and interface, the present invention to realize intelligentized management functions such as compatible online and trivial games.
Claims (12)
1. an audio/video on-demand computer comprises mainboard, CPU primary module, audio frequency and video decompress(ion) card, hard disk, video card, display, input equipment, network interface card, especially relates to a kind of computer that can independently carry out audio/video on-demand.
2. according to a kind of audio/video on-demand computer of claim 1; It is characterized in that; The present invention provides a kind of audio/video program request method of managing unit work, and its workflow is: the user is transferred to the main thread module through the program request of man-machine dialog interface module through the signal and communication module; Cooperate the CPU primary module, by exporting after program request instruction scheduling module, message processing module, database management module, Broadcast Control administration module, playing module, the decoding management resume module.
3. audio/video on-demand computer as claimed in claim 1 is characterized in that the built-in storer that package is housed of this audio/video on-demand computer main board.
4. audio/video on-demand computer as claimed in claim 1; It is characterized in that this audio/video on-demand computer provides a kind of technology that integrates workstation and server; It comprises: network management module, scheduling of resource module, server management module, cooperating through main thread module in the storer on the mainboard and CPU primary module; Sharing out the work and help one another between message processing module and database management module and above-mentioned three modules; This audio/video on-demand computer can be from obtaining resource in other audio/video on-demand computer in the LAN, or resource is provided for other audio/video on-demand computer in the LAN.
5. audio/video on-demand computer as claimed in claim 1 is characterized in that master audio/video program resources bank of being made up of DVD and VCD of this audio/video on-demand computer hard disc stored.
6. audio/video on-demand computer as claimed in claim 1; It is characterized in that, but this audio/video on-demand computer constructing local network, and the platform number that in net, connects is unrestricted; Every unit all can be used as server and uses; Establishment becomes the LAN of a full server, and unit can add the audio/video program resources bank quantity in the big hard disk arbitrarily, but the different resource storehouse programme content of interleaved some.
7. audio/video on-demand computer as claimed in claim 1 is characterized in that, the audio frequency and video decompress(ion) card of this audio/video on-demand computer compatible universal standard can cooperate the video-audio program of decodes and plays MPEG-2, Doby AC-3 standard.
8. audio/video on-demand computer as claimed in claim 1 is characterized in that the man-machine dialog interface that shows on the display of this audio/video on-demand computer the window and the platform that carry out information interaction with the user being provided, and makes this program request dress manage function independently and is able to embody.
9. man-machine dialog interface according to claim 8 is characterized in that, in man-machine dialog interface, can realize Kara OK function, video display and Music Appreciation function, integrated service management function.
10. storer as claimed in claim 3 is equipped with multifunction module group in main thread module, signal and communication module, program request instruction scheduling module, message processing module, Broadcast Control administration module, playing module, decoding management module, database management module, input equipment administration module, interface function administration module, application management module, network management module, scheduling of resource module, server management module, the multimedia-on-demand interface in it is characterized in that.
11. audio/video on-demand computer as claimed in claim 1 is characterized in that the computer function that this audio/video on-demand computer has the universal standard.
12. audio/video on-demand computer as claimed in claim 1; It is characterized in that this audio/video on-demand computer adopts the main thread module to cooperate with the CPU primary module; Through the assistance of input equipment administration module, application management module, has the ability of compatible various input equipments.
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| CN102609048B (en) | 2014-04-16 |
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