CN104202650A - Streaming media broadcast system and method and LED display screen system - Google Patents
Streaming media broadcast system and method and LED display screen system Download PDFInfo
- Publication number
- CN104202650A CN104202650A CN201410507919.XA CN201410507919A CN104202650A CN 104202650 A CN104202650 A CN 104202650A CN 201410507919 A CN201410507919 A CN 201410507919A CN 104202650 A CN104202650 A CN 104202650A
- Authority
- CN
- China
- Prior art keywords
- video
- data frame
- media
- data
- buffer storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention provides a streaming media broadcast system, a streaming media broadcast method and an LED display screen system. The streaming media broadcast system comprises a streaming media processing module; the streaming media processing module comprises a code source control submodule, an inner core submodule, and a video processing submodule; the code source control submodule comprises a receiving processing unit and a first data-caching mechanism; the inner core submodule comprises an audio/video separating unit, a video decoding unit and a second data-caching mechanism; the video processing submodule comprises a video processing unit and a third data-caching mechanism. According to the invention, streaming media broadcast on an asynchronous control system for an LED display screen is realized; as a three-level data-caching mechanism technology is adopted in the design of the media player, the fluency of real-time media video broadcast is improved; conditions of blocking and nonfluency are reduced.
Description
Technical field
The present invention relates to Display Technique field, particularly a kind of stream media play system, a kind of flow media playing method and a kind of LED display system.
Background technology
Being widely used of LED full color display, makes the development of LED full-color display screen control system also abnormal urgent.Because the demand for control that each businessman proposes is different, so the function that each display screen control system is realized is also just different.For different customer demands, will design different control system.
Thereby because must importing demonstration information and various control command into LED display control system by the mode of serial communication by PC, traditional synchronous control system shows, this mode be unable to do without the help of PC, therefore for long-distance transmissions etc., all brings certain trouble.And at present, on market, starting to emerge the various LED full color display asynchronous control system based on embedded development, synchronous control system relatively before has very large advantage.Asynchronous control system has departed from PC, can own Initiative Inventory Management and displaying video animation etc.The ability that asynchronous control system has storage and automatically plays.LED full-color display screen control system can also be realized multi-screen Network Synchronization and control demonstration.Adopt the mode that cluster management is play to manage each terminal in net.And most asynchronous control system is also all play based on this locality, the video that will play, picture or word etc. are stored in the memory of control system in advance by PC, or the mode of storing by USB flash disk, then by the broadcasting of the application program controlling LED display on asynchronous control system.But because the more fixing information that is only directed to is play in this locality, and cannot realize and play and show the information of real-time update.Meanwhile, because the asynchronous control system of playing based on this locality is limited because of its cluster management terminal, and a fairly large number of terminal synchronizes is play and also cannot be realized.Therefore, this is also its larger drawback.
Now, along with getting more and more of multimedia messages amount in network, on the one hand, the interest of the abundanter media information that people bring network is increasing, wishes can see vividly video clearly on network.But then, have to again accept the plenty of time that Audio and Video transmission spends.Because the asynchronous control system of playing based on this locality need to could be play from server downloading multimedia file, so just cannot realize the demand of real-time broadcasting.Stream media technology is under such contradiction environment and occur.Stream media technology is mainly that application variable broadband technology is carried out the transmission of media with the form of sound, video flowing, makes user in different broadband range, can watch online smooth, high-quality audio/video program.Therefore, adopt stream media technology realization on LED display, to play online Media information LED full color display asynchronous control system is had to very important meaning.
Yet, there is following problem in existing LED display audio/video player system: a plurality of LED display control system simultaneously more can not quick-downloading audio frequency and video during new media, LED full color display in real time displaying video programs and the broadcasting of LED display streaming media video not smooth.
Summary of the invention
The defect and the deficiency that for overcoming prior art, exist, the present invention proposes a kind of stream media play system, a kind of flow media playing method and a kind of LED display system.
Particularly, a kind of stream media play system that the embodiment of the present invention provides, comprising: Streaming Media processing module.Described Streaming Media processing module comprises: submodule, kernel submodule and Video processing submodule are controlled in code source.Wherein, code source is controlled submodule and is comprised reception & disposal unit and the first data buffer storage, described reception & disposal unit is used for from outside receiving stream media packet and the flow media data packet receiving is carried out to framing obtaining media data frame, and described the first data buffer storage is used for storing described media data frame.Kernel submodule comprises audio frequency and video separative element, video decoding unit and the second data buffer storage; Described audio frequency and video separative element is for obtaining described media data frame and isolate video data frame from the media data frame obtaining from the first data buffer storage, described video decoding unit is for decoding and obtain decode video data frame described video data frame, and described the second data buffer storage is used for storing described decode video data frame.Video processing submodule comprises video processing unit and the 3rd data buffer storage, described video processing unit is converted to default format video Frame for obtaining described decode video data frame from the second data buffer storage and carrying out data, and described the 3rd data buffer storage is used for storing described default format video Frame and for driving LED display screen, carries out video demonstration for output.
In one embodiment of the invention, above-mentioned kernel submodule also comprises audio decoding unit; Described audio frequency and video separative element is also for obtaining described media data frame and isolating audio data frame from the media data frame obtaining from the first data buffer storage, described audio decoding unit is for decoding and obtain decoding audio data frame described audio data frame, and described the second data buffer storage is also for storing described decoding audio data frame for audio output circuit.
In one embodiment of the invention, above-mentioned default format video Frame is TTL format data frame.
In one embodiment of the invention, above-mentioned stream media play system also comprises streaming media playing module, accepts the control of described Video processing submodule and carries out video playback according to the decode video data frame that comes from the second data buffer storage obtaining from the 3rd data buffer storage.
In addition, a kind of flow media playing method that the embodiment of the present invention provides, comprises step: real-time receiving stream media packet the flow media data packet receiving is carried out to framing obtain media data frame; Described media data frame is delivered to first order buffer memory to be stored; From described first order buffer memory, obtain media data frame and carry out audio frequency and video separation to obtain video data frame and described video data frame is decoded to obtain decode video data frame; Described decode video data frame is delivered to second level buffer memory to be stored; From described second level buffer memory, obtain decode video data frame and carry out data transaction to obtain default format video Frame; And by described default format video Frame deliver to third level buffer memory store for output for driving LED display screen, carry out video demonstration.
In one embodiment of the invention, the real-time receiving stream media packet in above-mentioned flow media playing method is based on RTP and RTCP Real-time Transport Control Protocol or based on the real-time receiving stream media packet of User Datagram Protoco (UDP).
In one embodiment of the invention, above-mentioned flow media playing method also comprises step: from first order buffer memory, obtain media data frame and carry out audio frequency and video separation to obtain audio data frame and described audio data frame is decoded to obtain decoding audio data frame; And described decoding audio data frame is delivered to second level buffer memory and store for audio output circuit and use.
In one embodiment of the invention, the default format video Frame in above-mentioned flow media playing method is TTL format data frame.
In one embodiment of the invention, above-mentioned flow media playing method also comprises step: according to the decode video data frame that comes from second level buffer memory obtaining from third level buffer memory, carry out the broadcasting of video the machine.
In addition, a kind of LED display system that the embodiment of the present invention provides, comprise LED display and the asynchronous control system being electrically connected to described LED display, described asynchronous control system disposes embedded OS platform, described embedded OS platform is provided with guiding self-starting software and streaming media playing software, and described guiding self-starting software is used for guiding described in self-starting streaming media playing running software in described embedded OS platform.Described streaming media playing software comprises that Streaming Media processing module and described Streaming Media processing module comprise Source control submodule, kernel submodule and Video processing submodule.Wherein, Source control submodule comprises reception & disposal unit and the first data buffer storage, described reception & disposal unit is used for from outside receiving stream media packet and the flow media data packet receiving is carried out to framing obtaining media data frame, and described the first data buffer storage is used for storing described media data frame.Kernel submodule comprises audio frequency and video separative element, video decoding unit and the second data buffer storage, described audio frequency and video separative element is for obtaining described media data frame and isolate video data frame from the media data frame obtaining from the first data buffer storage, described video decoding unit is for decoding and obtain decode video data frame described video data frame, and described the second data buffer storage is used for storing described decode video data frame.Video processing submodule comprises video processing unit and the 3rd data buffer storage, described video processing unit is converted to default format video Frame for obtaining described decode video data frame from the second data buffer storage and carrying out data, and described the 3rd data buffer storage is used for storing described default format video Frame for exporting for driving described LED display to carry out video demonstration.
In one embodiment of the invention, above-mentioned streaming media playing software also comprises streaming media playing module, accepts the control of described Video processing submodule and carries out the broadcasting of video the machine according to the decode video data that comes from the second data buffer storage obtaining from the 3rd data buffer storage.
The embodiment of the present invention has realized at LED display with carrying out streaming media playing on asynchronous control system; Owing to having adopted the mode of Transmitting Data Stream, make system can realize real-time broadcasting; Owing to adopting the mode of Transmitting Data Stream, also make a plurality of LED displays can simultaneous display play media information with asynchronous control system simultaneously; In addition,, owing to having adopted three grades of caching technologys of data in media player design, improved the fluency of real-time media video playback.
By the detailed description below with reference to accompanying drawing, it is obvious that other side of the present invention and feature become.But it should be known that the only object design for explaining of this accompanying drawing, rather than as the restriction of scope of the present invention, this is because it should be with reference to additional claim.Should also be appreciated that, unless otherwise noted, the unnecessary accompanying drawing of drawing to scale, they only try hard to illustrate conceptually structure described herein and flow process.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the configuration diagram of a kind of LED display system of the embodiment of the present invention.
Fig. 2 is the module diagram of a kind of stream media play system of the embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
The following embodiment of the present invention designs a kind of LED display asynchronous control system based on " stream " formula transfer of data, and in the streaming media playing Software for Design in this control system, added the Data cache technology of sub-module level, can reach well following beneficial effect: (1) can realize in a plurality of asynchronous control systems quick-downloading audio frequency and video during new media more simultaneously, (2) can realize real-time displaying video programs on LED display, and (3) can improve the fluency that on LED display, streaming media video broadcasting shows.For ease of more clearly understanding embodiments of the invention, below with reference to Fig. 1 and Fig. 2, stream media play system, flow media playing method and LED display system that the embodiment of the present invention is proposed are elaborated.
Refer to Fig. 1, the configuration diagram of its a kind of LED display system that is the embodiment of the present invention.As shown in Figure 1, the LED display system of the embodiment of the present invention comprises asynchronous control system 10 and LED display 20, LED display 20 is electrically connected to asynchronous control system 10, and asynchronous control system 10 can be based on RTP (Real-time Transport Protocol, RTP) and RTCP Real-time Transport Control Protocol (Real-time Transport Control Protocol, RTCP) or based on User Datagram Protoco (UDP) (User Datagram Protocol, UDP) from the real-time receiving stream media packet of streaming media server 30.Wherein, LED display 20 is for example full-color LED display screen, it typically is spliced display screen and comprise one or more LED casings, and single led casing comprises one or more LED lamp plates.Asynchronous control system 10 for example comprises asynchronous control card, described asynchronous control card can be connected directly to LED display 20 by winding displacement, also can first by netting twine, be connected to receiving card and by receiving card, by winding displacement, be connected to LED display 20 again, which kind of is specially, depending on practical application, need.
Hold above-mentioned, asynchronous control card on asynchronous control system 10 is for example provided with flush bonding processor and programmable logic device, wherein flush bonding processor can be ARM microprocessor, and programmable logic device can be Field Programmable Gate Array (FPGA).Certainly, on asynchronous control card, also can be provided with other necessary hardware, for example audio output circuit shown in memory and Fig. 2 13 etc.In addition, during practical application, can in flush bonding processor, configure for example Win CE6.0 system of embedded OS platform 11; And in order to realize the streaming media playing object of the embodiment of the present invention, guiding self-starting software 12 and streaming media playing software 14 are installed on embedded OS platform 11.Guiding self-starting software 12 is herein for guiding self-starting streaming media playing software 14 to run on embedded OS platform 11.
Refer to Fig. 2, the module diagram of its a kind of stream media play system that is the embodiment of the present invention.The stream media play system of the present embodiment mainly completes from streaming media server device 30 receiving stream media packets and flow media data packet is processed, and finally realizes the effect of receiving media data limit, limit displaying video.Described stream media play system is for example that the streaming media playing software 14 in Fig. 1 is realized, and it comprises a plurality of modules.Particularly, the stream media play system of the present embodiment comprises: Streaming Media processing module 141 and streaming media playing module 143.
Wherein, Streaming Media processing module 141 comprises: submodule 1411, kernel submodule 1413 and Video processing submodule 1415 are controlled in code source.
Code source is controlled submodule 1411 and is comprised reception & disposal unit 1411a and the first data buffer storage 1411b, the video information that wherein 1411a reception in real time in reception & disposal unit is broadcasted from fixed flow media server 30 is to obtain flow media data packet, by the communication protocol that establishes in advance, flow media data packet is carried out to framing again after to the integrity verification of the safe correctness of data and packet, after being formed to media data frame one by one, the flow media data packet receiving delivers to the first data buffer storage 1411b, by the first data buffer storage 1411b, described media data frame is carried out to storage operation.After a frame media data is taken away by kernel submodule 1413, the level cache space of originally depositing this media data frame is also released immediately.
Kernel submodule 1413 comprises audio frequency and video separative element 1413a, decoding unit 1413b and the second data buffer storage 1413c.Wherein, audio frequency and video separative element 1413a is obtained media data frame and the media data frame obtaining is carried out to audio frequency and video separation to obtain video data frame and audio data frame by the first data buffer storage 1411b.Decoding unit 1413b comprises video decoding unit and audio decoding unit, and wherein, video decoding unit is for decoding and process to obtain decode video data frame and to deliver to the second data buffer storage 1413c to carry out storage operation video data frame; Audio decoding unit is delivered to the second data buffer storage 1413c to carry out storage operation for audio data frame being decoded process to obtain decoding audio data frame.After follow-up processing module is taken decode video data frame and/or decoding audio data frame away, the L2 cache space that the second data buffer storage 1413c is corresponding also will be released.In addition, audio frequency output module 13 is accepted the control of kernel submodule 1413 and for obtaining decoding audio data frame by the second data buffer storage 1413, and the decoding audio data frame obtaining is carried out to necessary processing example and deliver to loud speaker (not shown) after as digital-to-analogue conversion and carry out audio frequency broadcasting.
Video processing submodule 1415 comprises video processing unit 1415b and the 3rd data buffer storage 1415a.Wherein, video processing unit 1415b accepts the control of kernel submodule 1413 and for obtaining decode video data frame by the second data buffer storage 1413b, the decode video data frame obtaining is delivered to streaming media playing module 143 by the 3rd data buffer storage 1415a to be play, in addition the decode video data frame getting is carried out to data conversion treatment to convert the displayable default format video Frame of LED display 20 to and to be deposited in three grades of spatial caches by the 3rd data buffer storage 1415a, finally by the 3rd data buffer storage 1415a, will preset format video Frame delivers to LED display 20 and carries out video demonstration with driving LED display screen 20.Herein, default format video Frame is for example TTL format data frame, but the present invention is not as limit.
It is worth mentioning that, the embedded OS platform 11 of the above embodiment of the present invention is not limited to Win CE6.0 system, can be also the relevant embedded system platforms such as Android, ios, Linux, uClinux, PalmOS, Symbian, eCos, uCOS-II, VxWorks, other versions Win CE.
So far, applied specific case herein principle and the execution mode of stream media play system of the present invention, flow media playing method and LED display system are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention; all will change in specific embodiments and applications; in sum, this description should not be construed as limitation of the present invention, and protection scope of the present invention should be as the criterion with appended claim.
Claims (11)
1. a stream media play system, comprises Streaming Media processing module; It is characterized in that, described Streaming Media processing module comprises:
Source control submodule, comprise reception & disposal unit and the first data buffer storage, described reception & disposal unit is used for from outside receiving stream media packet and the flow media data packet receiving is carried out to framing obtaining media data frame, and described the first data buffer storage is used for storing described media data frame;
Kernel submodule, comprise audio frequency and video separative element, video decoding unit and the second data buffer storage, described audio frequency and video separative element is for obtaining described media data frame and isolate video data frame from the media data frame obtaining from described the first data buffer storage, described video decoding unit is for decoding and obtain decode video data frame described video data frame, and described the second data buffer storage is used for storing described decode video data frame; And
Video processing submodule, comprise video processing unit and the 3rd data buffer storage, described video processing unit is converted to default format video Frame for obtaining described decode video data frame from described the second data buffer storage and carrying out data, and described the 3rd data buffer storage is used for storing described default format video Frame and for driving LED display screen, carries out video demonstration for output.
2. stream media play system as claimed in claim 1, it is characterized in that, described kernel submodule also comprises audio decoding unit, described audio frequency and video separative element is also for obtaining described media data frame and isolating audio data frame from the media data frame obtaining from described the first data buffer storage, described audio decoding unit is for decoding and obtain decoding audio data frame described audio data frame, and described the second data buffer storage is also for storing described decoding audio data frame for audio output circuit.
3. stream media play system as claimed in claim 1, is characterized in that, described default format video Frame is TTL format data frame.
4. stream media play system as claimed in claim 1, it is characterized in that, described stream media play system also comprises streaming media playing module, accepts the control of described Video processing submodule and carries out video playback according to the decode video data frame that comes from described the second data buffer storage obtaining from described the 3rd data buffer storage.
5. a flow media playing method, is characterized in that, comprises step:
Real-time receiving stream media packet the flow media data packet receiving is carried out to framing obtain media data frame;
Described media data frame is delivered to first order buffer memory to be stored;
From described first order buffer memory, obtain media data frame and carry out audio frequency and video separation to obtain video data frame and described video data frame is decoded to obtain decode video data frame;
Described decode video data frame is delivered to second level buffer memory to be stored;
From described second level buffer memory, obtain decode video data frame and carry out data transaction to obtain default format video Frame;
By described default format video Frame deliver to third level buffer memory store for output for driving LED display screen, carry out video demonstration.
6. flow media playing method as claimed in claim 5, is characterized in that, in real time receiving stream media packet is based on RTP and RTCP Real-time Transport Control Protocol or based on the real-time receiving stream media packet of User Datagram Protoco (UDP).
7. flow media playing method as claimed in claim 5, is characterized in that, also comprises step:
From described first order buffer memory, obtain media data frame and carry out audio frequency and video separation to obtain audio data frame and described audio data frame is decoded to obtain decoding audio data frame;
Described decoding audio data frame is delivered to described second level buffer memory to be stored for audio output circuit and uses.
8. flow media playing method as claimed in claim 5, is characterized in that, described default format video Frame is TTL format data frame.
9. flow media playing method as claimed in claim 5, is characterized in that, also comprises step:
According to the decode video data frame that comes from described second level buffer memory obtaining from described third level buffer memory, carry out the broadcasting of video the machine.
10. a LED display system, comprises LED display and the asynchronous control system being electrically connected to described LED display, and described asynchronous control system disposes embedded OS platform; It is characterized in that, described embedded OS platform is provided with guiding self-starting software and streaming media playing software, described guiding self-starting software is used for guiding described in self-starting streaming media playing running software in described embedded OS platform, described streaming media playing software comprises Streaming Media processing module, and described Streaming Media processing module comprises:
Source control submodule, comprise reception & disposal unit and the first data buffer storage, described reception & disposal unit is used for from outside receiving stream media packet and the flow media data packet receiving is carried out to framing obtaining media data frame, and described the first data buffer storage is used for storing described media data frame;
Kernel submodule, comprise audio frequency and video separative element, video decoding unit and the second data buffer storage, described audio frequency and video separative element is for obtaining described media data frame and isolate video data frame from the media data frame obtaining from described the first data buffer storage, described video decoding unit is for decoding and obtain decode video data frame described video data frame, and described the second data buffer storage is used for storing described decode video data frame; And
Video processing submodule, comprise video processing unit and the 3rd data buffer storage, described video processing unit is converted to default format video Frame for obtaining described decode video data frame from described the second data buffer storage and carrying out data, and described the 3rd data buffer storage is used for storing described default format video Frame and drives described LED display to carry out video demonstration for exporting.
11. LED display systems as claimed in claim 10, it is characterized in that, described streaming media playing software also comprises streaming media playing module, accepts the control of described Video processing submodule and carries out the broadcasting of video the machine according to the decode video data frame that comes from described the second data buffer storage obtaining from described the 3rd data buffer storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410507919.XA CN104202650B (en) | 2014-09-28 | 2014-09-28 | Stream media play system and method, LED display screen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410507919.XA CN104202650B (en) | 2014-09-28 | 2014-09-28 | Stream media play system and method, LED display screen system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104202650A true CN104202650A (en) | 2014-12-10 |
| CN104202650B CN104202650B (en) | 2017-11-17 |
Family
ID=52087865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410507919.XA Active CN104202650B (en) | 2014-09-28 | 2014-09-28 | Stream media play system and method, LED display screen system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104202650B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259039A (en) * | 2019-07-02 | 2021-01-22 | 西安诺瓦星云科技股份有限公司 | Asynchronous controller and LED display system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020124135A1 (en) * | 2001-03-01 | 2002-09-05 | Newman Otto R. | Systems and methods for caching with file-level granularity |
| US20050066063A1 (en) * | 2003-08-01 | 2005-03-24 | Microsoft Corporation | Sparse caching for streaming media |
| CN1893437A (en) * | 2005-07-01 | 2007-01-10 | 中国科学院声学研究所 | Stream-media business transmission platform system based on transmission network |
| CN101026744A (en) * | 2007-03-30 | 2007-08-29 | Ut斯达康通讯有限公司 | Distributed flow media distribution system, and flow media memory buffer and scheduling distribution method |
| JP2008046964A (en) * | 2006-08-18 | 2008-02-28 | Toshiba Corp | Information recording device and control method therefor |
| CN101472143A (en) * | 2007-12-27 | 2009-07-01 | 华为技术有限公司 | Method and system for implementing stream medium service |
| CN101706755A (en) * | 2009-11-24 | 2010-05-12 | 中国科学技术大学苏州研究院 | Caching collaboration system of on-chip multi-core processor and cooperative processing method thereof |
| GB2469373A (en) * | 2009-03-31 | 2010-10-13 | Intel Corp | Using file level heuristics to manage a storage device cache |
| CN102307179A (en) * | 2011-04-21 | 2012-01-04 | 广东电子工业研究院有限公司 | Loongson-based streaming media decoding method |
| CN102387409A (en) * | 2011-12-07 | 2012-03-21 | 江苏远为科技有限公司 | Method for video playing and based on stream media system |
| CN102447965A (en) * | 2011-08-25 | 2012-05-09 | 深圳市佳信捷电子有限公司 | Method and device supporting access of video plug-in for quickly and smoothly displaying video |
-
2014
- 2014-09-28 CN CN201410507919.XA patent/CN104202650B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020124135A1 (en) * | 2001-03-01 | 2002-09-05 | Newman Otto R. | Systems and methods for caching with file-level granularity |
| US20050066063A1 (en) * | 2003-08-01 | 2005-03-24 | Microsoft Corporation | Sparse caching for streaming media |
| CN1893437A (en) * | 2005-07-01 | 2007-01-10 | 中国科学院声学研究所 | Stream-media business transmission platform system based on transmission network |
| JP2008046964A (en) * | 2006-08-18 | 2008-02-28 | Toshiba Corp | Information recording device and control method therefor |
| CN101026744A (en) * | 2007-03-30 | 2007-08-29 | Ut斯达康通讯有限公司 | Distributed flow media distribution system, and flow media memory buffer and scheduling distribution method |
| CN101472143A (en) * | 2007-12-27 | 2009-07-01 | 华为技术有限公司 | Method and system for implementing stream medium service |
| GB2469373A (en) * | 2009-03-31 | 2010-10-13 | Intel Corp | Using file level heuristics to manage a storage device cache |
| CN101706755A (en) * | 2009-11-24 | 2010-05-12 | 中国科学技术大学苏州研究院 | Caching collaboration system of on-chip multi-core processor and cooperative processing method thereof |
| CN102307179A (en) * | 2011-04-21 | 2012-01-04 | 广东电子工业研究院有限公司 | Loongson-based streaming media decoding method |
| CN102447965A (en) * | 2011-08-25 | 2012-05-09 | 深圳市佳信捷电子有限公司 | Method and device supporting access of video plug-in for quickly and smoothly displaying video |
| CN102387409A (en) * | 2011-12-07 | 2012-03-21 | 江苏远为科技有限公司 | Method for video playing and based on stream media system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259039A (en) * | 2019-07-02 | 2021-01-22 | 西安诺瓦星云科技股份有限公司 | Asynchronous controller and LED display system |
| CN112259039B (en) * | 2019-07-02 | 2022-03-22 | 西安诺瓦星云科技股份有限公司 | Asynchronous controller and LED display system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104202650B (en) | 2017-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101969460B (en) | Multi-screen synchronized video playing method and system | |
| CN105814900B (en) | System and method for managing adjacent channel in adaptive streaming environment | |
| CN103165156B (en) | Audio video synchronization Play System and video broadcasting method, CD | |
| CN109168021B (en) | Plug flow method and device | |
| CN103475927B (en) | Online-video real-time speed change play method and system thereof | |
| CN105791938B (en) | The joining method and device of multimedia file | |
| CN103200461A (en) | Multiple-player-terminal synchronized playing system and playing method | |
| CN105187896A (en) | Multi-segment media file playing method and system | |
| WO2019055275A1 (en) | Handling media timeline offsets | |
| WO2018134660A1 (en) | Content streaming system and method | |
| CN102510543A (en) | Method and system for playing audio/video | |
| KR20160100047A (en) | Method for providing of multi-view streaming service, and apparatus therefor | |
| US9294803B2 (en) | Kiosk set-top-box | |
| RU2015153397A (en) | METHOD AND SYSTEM FOR PROVIDING 4D CONTENT PRODUCTION SERVICES AND DEVICES FOR PRODUCING CONTENT FOR IT | |
| CN105187897B (en) | The media file span playback method and system more being segmented | |
| CN113938470A (en) | Method and device for playing RTSP data source by browser and streaming media server | |
| CN105872697A (en) | Cloud program direction console and continuous play method of cloud program direction console based on audio/video synchronization | |
| CN106331820A (en) | Synchronous audio and video processing method and device | |
| CN104202650A (en) | Streaming media broadcast system and method and LED display screen system | |
| CN103647906A (en) | Multipath audio and video synthetic method for embedded hard-disk video recorder | |
| KR20170069778A (en) | Method and Device for Learning Foreign Language, Program thereof | |
| WO2021127220A1 (en) | Techniques for replacement content signaling in atsc 3.0 television | |
| CN101286274A (en) | Digital video automatic explaining system for blind men | |
| WO2017080152A1 (en) | Data synchronization method and device | |
| CN103826158A (en) | Network broadcasting device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: XI'AN NOVASTAR TECH Co.,Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an NovaStar Tech Co.,Ltd. |
|
| CP03 | Change of name, title or address |