CN202503624U

CN202503624U - Multi-software simultaneous operation and multi-channel decoding double-channel high definition output set top box

Info

Publication number: CN202503624U
Application number: CN2012201024315U
Authority: CN
Inventors: 蔡景峰; 林剑宇
Original assignee: Fujian Star Net eVideo Information Systems Co Ltd
Current assignee: Fujian Star Net eVideo Information Systems Co Ltd
Priority date: 2012-03-16
Filing date: 2012-03-16
Publication date: 2012-10-24
Anticipated expiration: 2022-03-16

Abstract

The utility model provides a multi-software simultaneous operation and multi-channel decoding double-channel high definition output set top box which comprises a first CPU, a second CPU, and a switch chip. Both the first CPU and the second CPU are connected to the switch chip. The switch chip is further connected to a network interface of the set top box. The first CPU is connected with a VGA port and a first CVBS port of the set top box. The second CPU is connected with a second CVBS port of the set top box and an HDMI port. According to the utility model, the communication and the cooperation based on division of work of the first CPU and the second CPU are realized through the switch chip, the simultaneous operation of four softwares is supported, that the first CPU decodes and outputs a background video stream and an advertisement video stream is realized, that the second CPU decodes and outputs an advertisement video stream and a song video stream is realized, the multi-software simultaneous operation and multi-channel decoding double-channel high definition output which a single set top box on the market can not realize are solved, and the production cost of the set top box is reduced.

Description

The STB that many softwares move simultaneously and multipath decoding two-way high definition is exported

[technical field]

The utility model relates to field of set-top, particularly a kind of STB of realizing that many softwares move simultaneously and multipath decoding two-way high definition is exported.

[background technology]

One road high definition video steaming can only decoded and export to STB in the market mostly; And export graphical user's operation interface of high-definition format simultaneously; When can't be implemented in output high definition video steaming and high definition graphical user operation interface; The decoding multi-path video stream; And existing STB generally can only move GUI (Graphical User Interface, a graphic user interface) software that is used for user's program request operation, and promptly a STB can only an external television set and touch-screen that is used for the display graphics user interface that is used for the display video broadcast interface.

Existing one piece of publication number is CN101257589; Open day is 2008.09.03 " a kind of multichannel output high clear digital television code stream instrument ", and it comprises digital decoding master chip, power module, FLASH, SDRAM, video processing module, audio processing modules, USB module, 27M crystal oscillator, infrared receiving module and serial ports upgrading module.This invention is when the output high-definition signal; Having introduced signal amplifies and the signal distribution technology; Output when 8 road signals are realized 8 road high-definition signals through processing and amplifying needn't show when realizing many TVs and broadcast high-definition signal function again as the external frequency divider of other code stream instruments.Though this invention has realized multichannel output high-definition signal; But this invention just has been divided into multichannel to one road signal; The content of signal is the same; Be that multichannel is exported same signal simultaneously, the signal content that has nothing in common with each other with multipath decoding of the present invention and output has essential distinction, does not solve the technical problem that the present invention will solve.

Also having one piece of publication number in addition is CN101068318; Open day " can receive the design technique for separate television and the device thereof of multi-channel TV signals " for 2007.11.07; It includes the processor cabinet of special disposal TV signal, the display screen cabinet and the remote controller of a plurality of reception sound vision signals; In the processor cabinet of special disposal TV signal, be provided with a plurality of signal output interfaces that meet the HDMI standard, its output is connected in the signal input interface that meets the HDMI standard of the display screen cabinet of a plurality of reception sound vision signals through the flexible conductor cable that meets the HDMI standard; Remote signal transmission device is arranged on the remote controller; Adopt infrared signal or radio frequency signal mode to transmit information between the processor cabinet of remote controller and special disposal TV signal.Though this invention is approximate with technical scheme of the present invention; But this invention is to be divided into signal processing and display part to independent television set; And make independently two cabinets; Signal processing can provide TV signal for a plurality of display parts, and is different fully with technical scheme of the present invention and application, do not solve the technical problem that the present invention will solve.

There is one piece to be disclosed in periodical " TV tech " by name again; Year; Volume (phase) number is " based on the high definition IPTV set-top box design of STB7100 " (author: woods ability and political integrity Li Yue Wei Fang) introduced a kind of high definition IPTV top-set hardware design based on the ST chip, provided the structure and the design of each module of software and hardware of 200832 (1).This scheme is core with STB7100, can handle H.2641AVC and MPEG-2 high definition and SD signal, supports multiple form output simultaneously.The document has only been introduced the design of STB7100 chip, but how explanation does not specifically use, and therefore can not solve the technical problem that the present invention will solve.

Along with the development of technology and improving constantly of customer demand, the client to the demand of STB to move the different gui software of a plurality of functions in simultaneously, the multi-path video stream of decoding output simultaneously, external a plurality of ancillary equipment are exported different user interfaces.And existing STB will realize that these demands can only could realize through many STB division of labor collocation, the high and difficult debugging of its cost.

[utility model content]

The technical problem that the utility model will solve is to provide a kind of and realizes that many softwares move simultaneously and the STB of multipath decoding two-way high definition output.

The utility model is achieved in that

The STB that a kind of many software moves simultaneously and multipath decoding two-way high definition is exported; Comprise a CPU, the 2nd CPU and an exchange chip; A said CPU, the 2nd CPU all are connected to said exchange chip; Said exchange chip also is connected to the network interface of said STB, and a said CPU links to each other with VGA port, a CVBS port of said STB, and said the 2nd CPU links to each other with the 2nd CVBS port, the HDMI port of said STB.

Further, the network interface of said STB connects a webserver through netting twine.

Further, a said CPU is the double-core high speed processor, and said the 2nd CUP is the multimedia processor with a plurality of SOC(system on a chip)s.

The utlity model has following advantage:

The utility model the one CPU and the 2nd CPU download and move simultaneously program-requesting software, video wallboard software, doorplate machine software and playout software from the webserver respectively through exchange chip; Said program-requesting software, video wallboard software, doorplate machine software are gui software; Realize the communication between a CPU and the 2nd CPU and share out the work and help one another through said exchange chip; And support that at a said CPU output resolution ratio is high definition graphical user's operation interface of 1280*720; Said the 2nd CPU supports to realize that CPU decoding output one road background video stream flows with one road advertisement video when output resolution ratio is the high definition song video pictures of 1920*1080; The 2nd CPU decoding output one road advertisement video stream and one tunnel song video flowing; Solve on the market single STB and can't realize that many softwares move simultaneously and the output of multipath decoding two-way high definition, reduced the product cost of STB.

[description of drawings]

Combine embodiment that the utility model is further described with reference to the accompanying drawings.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the utility model fundamental diagram.

[embodiment]

See also shown in Figure 1ly, the embodiment of the utility model is carried out detailed explanation.

The STB 1 that a kind of many software moves simultaneously and multipath decoding two-way high definition is exported; Comprise a CPU, the 2nd CPU and an exchange chip 2; A said CPU, the 2nd CPU all are connected to said exchange chip 2; Said exchange chip 2 also is connected to the network interface 3 (said network interface 3 is the network interfaces that are used for STB 1 and external equipment communication) of said STB; A said CPU links to each other 5 with VGA port 4, a CVBS port of said STB, and the 2nd CVBS port 6 of said the 2nd CPU and said STB, HDMI port 7 link to each other.The network interface 3 of said STB 1 is to connect a webserver 8 through netting twine.

Said exchange chip 2 is inner integrated five PHY and six MAC; Support four LAN interface and a wan interface, said wan interface is connected to the network port 3 of STB 1, be used for STB 1 and carry out communication with external network; In said four LAN interface; One is used for linking to each other with a CPU, and one is used for linking to each other with the 2nd CPU, remains two and does not utilize.

A said CPU is the double-core high speed processor, possesses advanced audio frequency and video treatment technology, built-in devices at full hardware MPEG4 (VGA) codec, devices at full hardware VC1 (Main Profile, D1) H.264 (Main Profile, D1) decoder of decoder, devices at full hardware; Support double quick speed ethernet port, one of them ethernet port is integrated MAC, the MAC+PHY that another ethernet port is integrated.The video output facet is supported two-way CVBS, one road S-Video; Support the VGA interface output of ultimate resolution 1920x1088, refreshing frequency 60Hz simultaneously, stereo output, sound-recording function are supported in the audio frequency aspect.Two-way UART is supported, two-way USB etc. in other interface aspects.

Said the 2nd CUP is the multimedia processor with a plurality of SOC(system on a chip)s; It supports linux and WinCE operating system; Application processor that inside is integrated; Processing in real time, operational capability surpass 900DMIPS, also are integrated with two real-time operation accelerators simultaneously, and total operational capability reaches more than the 3000DMIPS; This processor is inner integrated gigabit Ethernet mac controller can be play by the network enabled HD video; The video output facet is supported one road CVBS, one road HDMI; The audio frequency output facet is supported stereo output, supports one tunnel S/PDIF; One tunnel UART is supported in other interface aspects, one tunnel USB etc.

The said webserver provides program-requesting software and initialization files and data, video wallboard software and initialization files thereof and data, playout software and initialization files thereof and data, doorplate machine software and initialization files thereof and data, a plurality of song video file, a plurality of advertisement video file and a plurality of background video file.

See also Fig. 2, the operation principle of this programme is:

After step 1, STB power on; The one CPU of STB downloads said program-requesting software and video wallboard software through an exchange chip from the webserver; A said CPU starts said program-requesting software; Said program-requesting software is downloaded the initialization files and the data of this software through said exchange chip from the webserver, the hardware environment of the said CPU of said program-requesting software initialization simultaneously, and start said video wallboard software; The 2nd CPU of STB downloads said playout software and doorplate machine software through said exchange chip from the webserver; Said the 2nd CPU starts said playout software; Said playout software is downloaded the initialization files and the data of this software from the webserver through said exchange chip; Simultaneously, the hardware environment of said the 2nd CPU of said playout software initialization, and start said doorplate machine software; A said CPU is the double-core high speed processor, and said the 2nd CUP is the multimedia processor with a plurality of SOC(system on a chip)s;

Behind step 2, the said video wallboard software startup, download its initialization files and data from the webserver; Behind the said doorplate machine software startup, download the initialization files and the data of doorplate machine software from the webserver;

Step 3, said program-requesting software are downloaded a background video file through said exchange chip from the webserver; Said video wallboard software is downloaded an advertisement video file through said exchange chip from network server; The decoder of a said CPU is decoded to background video file and the advertisement video file downloaded, corresponding generation background video flowing and first advertisement video stream; Said doorplate machine software is downloaded an advertisement video file through said exchange chip from the webserver, and the decoder of said the 2nd CPU is decoded to the advertisement video file of downloading, and generates second advertisement video stream; Said playout software is waited for the order of program request Software Operation;

Step 4, a said CPU are high definition graphical user's operation interface and one road background video stream of 1280*720 through the VGA interface output resolution ratio of STB; Simultaneously, a said CPU exports said video wallboard Software Operation interface and first advertisement video stream through a CVBS interface of STB; Said the 2nd CPU exports said doorplate machine Software Operation interface and second advertisement video stream through the 2nd CVBS interface of said STB;

Step 5, said program-requesting software send operational order through said exchange chip to said playout software; The operational order that said program-requesting software sends derives from user's program request that the high-definition image user interface of said program-requesting software receives; Or derive from user's program request that said video wallboard Software Operation interface receives; Or deriving from user's program request that said doorplate machine Software Operation interface receives, said video wallboard software is synchronous to said program-requesting software with its user's program request that receives through internal communication; Said doorplate machine software is synchronous to said program-requesting software with user's program request that doorplate machine software receives through said exchange chip;

Step 6, said playout software are received the operational order that said program-requesting software sends through said exchange chip; Said playout software according to operational order through said exchange chip from webserver download song video software; The decoder of said the 2nd CPU is decoded to the song video file of being downloaded; Generate the song video flowing, said playout software through the HDMI interface output resolution ratio of said STB be 1920*1080, the HD video picture of lining by line scan;

Step 7, said program-requesting software be transmit operation when order once more, repeats said step 5 and step 6, and electricity quits work under said STB.

The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.

Claims

1. the STB that software more than one kind moves simultaneously and multipath decoding two-way high definition is exported; It is characterized in that: comprise a CPU, the 2nd CPU and an exchange chip; A said CPU, the 2nd CPU all are connected to said exchange chip; Said exchange chip also is connected to the network interface of said STB, and a said CPU links to each other with VGA port, a CVBS port of said STB, and said the 2nd CPU links to each other with the 2nd CVBS port, the HDMI port of said STB.

2. the STB that many softwares according to claim 1 move simultaneously and multipath decoding two-way high definition is exported, it is characterized in that: the network interface of said STB connects a webserver through netting twine.

3. the STB that many softwares according to claim 1 move simultaneously and multipath decoding two-way high definition is exported, it is characterized in that: a said CPU is the double-core high speed processor, said the 2nd CUP is the multimedia processor with a plurality of SOC(system on a chip)s.