CN101009803A - High-resolution video transfer system and method - Google Patents
High-resolution video transfer system and method Download PDFInfo
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- CN101009803A CN101009803A CN 200610171593 CN200610171593A CN101009803A CN 101009803 A CN101009803 A CN 101009803A CN 200610171593 CN200610171593 CN 200610171593 CN 200610171593 A CN200610171593 A CN 200610171593A CN 101009803 A CN101009803 A CN 101009803A
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Abstract
The provided high-clear video transmission system bases on multi-core processor and multi-thread codec, and comprises a transmit and receive ends both as intelligent device with multi-core processor, wherein the transmit end obtains initial data from the high-clear video source, and the receive end decodes and displays data through a multi-thread decoding module. This system has well general purpose, needs low cost, and presents better quality real-time video.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of high-resolution video transfer system and method, this system and method is based on polycaryon processor and multithreading codec, and described polycaryon processor is meant based on the processor core that has a plurality of the same functions on the single semi-conductive processor.
Background technology
HD video is a kind of emerging market demand, has vast potential for future development and huge market capacity.Vision signal in the existing multimedia videoconference system, its resolution is generally: QCIF (176 * 144); CIF (352 * 288), 2CIF, 4CIF etc.Because its resolution is low, definition is not enough, demand for experience and some application scenario that definition is had relatively high expectations that people improve day by day can not have been satisfied.
The acquisition of high-definition video signal, relate to multiple different technology such as collection, transmission and encoding and decoding, data volume is big because high-definition video signal has, real-time requires characteristics such as height, make the collection and the transmission of high-definition video signal have bigger technical difficulty, therefore also become the key factor that the restriction HD video is experienced.
Summary of the invention
The present invention is directed to the defective or the deficiency that exist in the prior art, a kind of high-resolution video transfer system is provided, this system is based on polycaryon processor and multithreading codec, adopt this system can realize the collection and the transmission of high-definition video signal, and perfect by improving, this system also has characteristics such as equipment interoperability is good, user cost is low, video quality is high, real-time is good.
The present invention also provides a kind of HD video transmission method based on polycaryon processor and multithreading codec.
The total technical conceive of the present invention is based on general multi-core processor platform and IP network, to utilize HD video source and multithreading codec, the collection and the transmission of realization high-definition video signal.
Technical scheme of the present invention is as follows:
High-resolution video transfer system, this system is characterized in that based on polycaryon processor and multithreading codec: comprise that described transmitting terminal and receiving terminal all are the smart machines with polycaryon processor by IP network interconnected transmitting terminal and receiving terminal; Described transmitting terminal obtains original video data by the HD video source, and is transferred to receiving terminal after by the multithreading coding module this original video data being encoded, and carries out decoding and displaying by receiving terminal by the multithreading decoder module.
Described IP network comprises wired IP network and/or Wireless IP network, and described smart machine with polycaryon processor is the multinuclear PC.Described multinuclear PC is meant the multinuclear personal computer, and it comprises based on X86 framework or the desktop computer of Power PC processor, portable PC, notebook computer etc.
Described transmitting terminal also comprises pretreatment module, and this module comprises reduces or convergent-divergent, code check and frame per second control and original video data is divided into some etc. original video data, with image and suitable code check and the frame per second that obtains required size.
Described receiving terminal also comprises processing module afterwards, and this module comprises the framing of decoded video data and piece fusion function etc.
The resolution of described original video data is the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting.
Described multithreading coding module and multithreading decoder module adopt MPEG-4, H.264, standards such as VC-1 or AVS.
HD video transmission method based on polycaryon processor and multithreading codec is characterized in that may further comprise the steps: step 1, gather by the HD video source, and obtain original video data; Step 2 is carried out preliminary treatment to original video data, comprises original video data is reduced or convergent-divergent, code check and frame per second control and original video data is divided into some etc.; Step 3 starts the multithreading coding module and respectively some is encoded; Step 4 is carried out multiplexing process with the data after encoding respectively, and is generated intermediate form; Step 5, the transmitting terminal with polycaryon processor sends to receiving terminal with the video flowing of the intermediate form that generates by IP network; Step 6, the receiving terminal with polycaryon processor are carried out demultiplexing to the data of the intermediate form that receives by IP network and are handled, with some after obtaining encoding; Step 7 starts the multithreading decoder module and respectively some is decoded; Step 8 is handled afterwards and is shown decoded data.
Described transmitting terminal with polycaryon processor has the IP network output interface; The resolution of described initial data is the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting; Described multithreading coding module and multithreading decoder module adopt MPEG-4, H.264, standards such as VC-1 or AVS.
It is described that original video data is divided into some is to adopt parity rows piecemeal method, laterally piecemeal method, vertically piecemeal method or horizontal vertical combination piecemeal method etc.
Described parity rows piecemeal method is meant original video data is divided into strange capable piece and idol row piece; Described horizontal piecemeal method is meant original video data laterally is divided into some; Described vertical piecemeal method is meant original video data vertically is divided into some; Described horizontal vertically combination piecemeal method is meant with the earlier horizontal piecemeal of original video data vertical again block division method.
Technique effect of the present invention is as follows:
1. adopt general multinuclear PC platform, save user resources, upgrading is convenient;
2. adopt the multithreading encoding and decoding technique, on common multinuclear PC, obtain the high definition picture of 25 frames/more than second;
3. merge multiple encoding and decoding technique, under the condition of lower bandwidth, obtain the high definition picture.
4. directly original video data is handled, time delay is little.
Description of drawings
Fig. 1 is a system block diagram of the present invention.
Fig. 2 is a system works functional-block diagram of the present invention, and numeral 1 to 12 is a flow sequence number in the square frame.
Fig. 3 is a parity rows piecemeal genealogy of law of the present invention system operation principle block diagram, and numeral 1 to 12 is a flow sequence number in the square frame.
Reference numeral lists as follows:
100-HD video source, 200-transmitting terminal, 300-IP network, 400-receiving terminal.
Embodiment
As shown in Figure 1, high-resolution video transfer system of the present invention, this system is based on polycaryon processor and multithreading codec, and it comprises: 100-HD video source, 200-transmitting terminal, 300-IP network, 400-receiving terminal.Wherein, described HD video source 100 and transmitting terminal 200 link to each other by transmission line; Transmitting terminal 200, receiving terminal 400 is interconnected by IP network 300.
Described transmitting terminal 200 can be that multinuclear PC or other have the smart machine of polycaryon processor.
The output interface of described transmitting terminal 200 is the IP network interface.
Described receiving terminal 400 can be that multinuclear PC or other have the smart machine of polycaryon processor.
The function that described transmitting terminal 200 is realized comprises:
(1) collection of high-definition video signal obtains original video data;
(2) original video data is carried out preliminary treatment, comprise original video data is reduced or convergent-divergent, code check and frame per second control, original video data is divided into some etc.;
(3) starting the multithreading coding module encodes to some respectively;
(4) data after will encoding are respectively carried out multiplexing process, and generate intermediate form;
(5) video data with intermediate form is sent to receiving terminal 400 by IP network 300;
The function that described receiving terminal 400 is realized comprises:
(1) receives the HD video code stream by IP network 300;
(2) data of the intermediate form that receives are carried out demultiplexing and handle, with some after obtaining encoding;
(3) starting the multithreading decoder module decodes to some respectively;
(4) decoded data are handled afterwards;
(5) show the high definition picture.
The present invention is based on the HD video transmission method of polycaryon processor and multithreading codec, it comprises:
(1) collection of high-definition video signal obtains original video data;
(2) original video data is carried out preliminary treatment, comprise original video data is reduced or convergent-divergent, code check and frame per second control, original video data is divided into some etc., with image and suitable code check and the frame per second that obtains required size;
(3) starting the multithreading coding module encodes to some respectively;
(4) data after will encoding are respectively carried out multiplexing process, and generate intermediate form;
(5) transmitting terminal with polycaryon processor is sent to receiving terminal 400 with the video data of intermediate form by IP network 300;
(6) has the receiving terminal 400 of polycaryon processor by IP network 300 reception HD video code streams;
(7) receiving terminal 400 with polycaryon processor carries out demultiplexing with the video data of the intermediate form that receives and handles, with some after obtaining encoding;
(8) the receiving terminal 400 startup multithreading decoder modules with polycaryon processor are decoded to some respectively;
(9) the 400 pairs of decoded data of receiving terminal with polycaryon processor are handled afterwards;
(10) receiving terminal 400 with polycaryon processor shows the high definition pictures.
As shown in Figure 2, the operation principle of high-definition video signal transmission system of the present invention is:
1, the collection of high-definition video signal obtains original video data, and its resolution is: the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting;
2, the transmitting terminal with polycaryon processor carries out preliminary treatment to original video data, comprises original video data is reduced or convergent-divergent, code check and frame per second control, with image and suitable code check and the frame per second that obtains required size.And original video data is divided into piece one and piece two;
3, transmitting terminal is encoded to piece one, can carry out video coding by encoder (MPEG-4, H.264, VC-1 or AVS);
4, transmitting terminal is encoded to piece two, can carry out video coding by encoder (MPEG-4, H.264, VC-1 or AVS);
5, the data after piece one, piece two are encoded are respectively carried out multiplexing process, and generate the video data of intermediate form;
6, transmitting terminal is sent to the receiving terminal with polycaryon processor with the video data of the intermediate form of generation by IP network 300;
7, receiving terminal receives the video data of intermediate form by IP network 300
8, receiving terminal carries out demultiplexing with the video data of the intermediate form that receives and handles, with piece one and the piece two after obtaining encoding;
9, receiving terminal is decoded to piece one, can carry out video decode by decoder (MPEG-4, H.264, VC-1 or AVS);
10, receiving terminal is decoded to piece two, can carry out video decode by decoder (MPEG-4, H.264, VC-1 or AVS);
11, receiving terminal is handled piece one, the decoded respectively data of piece two afterwards;
12, receiving terminal shows the high definition picture.
As can be seen from Figure 2, the transmission of the multiplexing and step 6 of piece one coding of the high definition collection of step 1, the preliminary treatment of step 2, step 3, piece two codings of step 4, step 5 is finished by transmitting terminal, and the processing afterwards of the decoding of the decoding of the piece one of the reception of step 7, the demultiplexing of step 8, step 9, the piece two of step 10, step 11 and the demonstration of step 12 are finished by receiving terminal.
As shown in Figure 3, the operation principle of parity rows piecemeal method high-definition video signal transmission system of the present invention is:
1, the collection of high-definition video signal obtains original video data, and its resolution is: the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting;
2, transmitting terminal carries out preliminary treatment to original video data, comprises original video data is reduced or convergent-divergent, code check and frame per second control, with image and suitable code check and the frame per second that obtains required size.And it is capable with idol that original video data is divided into strange row;
3, transmitting terminal is encoded to strange row, can carry out video coding by encoder (MPEG-4, H.264, VC-1 or AVS);
4, the transmitting terminal antithesis is capable encodes, and can carry out video coding by encoder (MPEG-4, H.264, VC-1 or AVS);
The data of 5, will very go, idol being gone after encoding are respectively carried out multiplexing process, and generate the video data of intermediate form;
6, transmitting terminal is sent to receiving terminal with the video data of the intermediate form of generation by IP network 30;
7, receiving terminal receives the video data of intermediate form by IP network 30
8, receiving terminal carries out demultiplexing with the video data of the intermediate form that receives and handles, with strange row and the idol row after obtaining encoding;
9, receiving terminal is decoded to strange row, can carry out video decode by decoder (MPEG-4, H.264, VC-1 or AVS);
10, the receiving terminal antithesis is capable decodes, and can carry out video decode by decoder (MPEG-4, H.264, VC-1 or AVS);
11, receiving terminal is handled strange row, the decoded respectively data of idol row afterwards;
12, receiving terminal shows the high definition picture.
As can be seen from Figure 3, the transmission of the multiplexing and step 6 that the strange row of the high definition collection of step 1, the preliminary treatment of step 2, step 3 is encoded, the idol of step 4 is gone coding, step 5 is finished by transmitting terminal, and the strange row of the reception of step 7, the demultiplexing of step 8, step 9 is decoded, the idol of step 10 is gone afterwards handling of decoding, step 11 and the demonstration of step 12 is finished by receiving terminal.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.Therefore, although this specification has been described in detail the present invention with reference to accompanying drawing, but, those skilled in the art are to be understood that, still can make amendment or be equal to replacement the present invention, for example, the receiving terminal in the accompanying drawing is only indicated one situation, but obvious many networkings often in reality is implemented; In addition, transmitting terminal and receiving terminal also can be integrated on same the multinuclear PC.And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the protection range of patent of the present invention.
Claims (10)
1. high-resolution video transfer system, this system is characterized in that based on polycaryon processor and multithreading codec: comprise that described transmitting terminal and receiving terminal all are the smart machines with polycaryon processor by IP network interconnected transmitting terminal and receiving terminal; Described transmitting terminal obtains original video data by the HD video source, and is transferred to receiving terminal after by the multithreading coding module this original video data being encoded, and carries out decoding and displaying by receiving terminal by the multithreading decoder module.
2. high-resolution video transfer system according to claim 1 is characterized in that: described IP network comprises wired IP network and/or Wireless IP network, and described smart machine with polycaryon processor is the multinuclear PC.
3. high-resolution video transfer system according to claim 1, it is characterized in that: described transmitting terminal also comprises pretreatment module, this module comprises reduces or convergent-divergent, code check and frame per second control and original video data is divided into some original video data, with image and suitable code check and the frame per second that obtains required size.
4. high-resolution video transfer system according to claim 1 is characterized in that: described receiving terminal also comprises processing module afterwards, and this module comprises the framing of decoded video data and piece fusion function etc.
5. high-resolution video transfer system according to claim 1 is characterized in that: the resolution of described original video data is the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting.
6. high-resolution video transfer system according to claim 1 is characterized in that: described multithreading coding module and multithreading decoder module adopt MPEG-4, H.264, VC-1 or AVS standard.
7. based on the HD video transmission method of polycaryon processor and multithreading codec, it is characterized in that may further comprise the steps: step 1, gather by the HD video source, obtain original video data; Step 2 is carried out preliminary treatment to original video data, comprises original video data is reduced or convergent-divergent, code check and frame per second control and original video data is divided into some; Step 3 starts the multithreading coding module and respectively some is encoded; Step 4 is carried out multiplexing process with the data after encoding respectively, and is generated intermediate form; Step 5, the transmitting terminal with polycaryon processor sends to receiving terminal with the video flowing of the intermediate form that generates by IP network; Step 6, the receiving terminal with polycaryon processor are carried out demultiplexing to the data of the intermediate form that receives by IP network and are handled, with some after obtaining encoding; Step 7 starts the multithreading decoder module and respectively some is decoded; Step 8 is handled afterwards and is shown decoded data.
8. the HD video transmission method based on polycaryon processor and multithreading codec according to claim 7 is characterized in that: described transmitting terminal with polycaryon processor has the IP network output interface; The resolution of described initial data is the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting; Described multithreading coding module and multithreading decoder module adopt MPEG-4, H.264, VC-1 or AVS standard.
9. the HD video transmission method based on polycaryon processor and multithreading codec according to claim 7 is characterized in that: described original video data is divided into some is to adopt parity rows piecemeal method, laterally piecemeal method, vertically piecemeal method or horizontal vertical combination piecemeal method.
10. the HD video transmission method based on polycaryon processor and multithreading codec according to claim 9 is characterized in that: described parity rows piecemeal method is meant original video data is divided into strange capable piece and idol row piece; Described horizontal piecemeal method is meant original video data laterally is divided into some; Described vertical piecemeal method is meant original video data vertically is divided into some; Described horizontal vertically combination piecemeal method is meant with the earlier horizontal piecemeal of original video data vertical again block division method.
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| CN100591139C (en) * | 2007-09-30 | 2010-02-17 | 四川长虹电器股份有限公司 | Decoding task allocation method for dual core video decoder |
| CN102244781A (en) * | 2011-03-31 | 2011-11-16 | 苏州汉辰数字多媒体有限公司 | Audio video coding standard (AVS) video coder adopting high speed multi-core digital signal processor (DSP) platform |
| CN102394088A (en) * | 2011-06-28 | 2012-03-28 | 上海盈方微电子有限公司 | Method for constructing multi-media data source reading model |
| CN102404578A (en) * | 2011-12-21 | 2012-04-04 | 中国科学院自动化研究所 | Multi-channel video transmitting system and method |
| CN102510495A (en) * | 2011-10-12 | 2012-06-20 | 杭州华三通信技术有限公司 | Collaboration processing method and equipment for image |
| CN102625192A (en) * | 2011-01-26 | 2012-08-01 | 天脉聚源(北京)传媒科技有限公司 | System and method of video play |
| CN102098503B (en) * | 2009-12-14 | 2012-11-28 | 中兴通讯股份有限公司 | Method and device for decoding image in parallel by multi-core processor |
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| CN101668192B (en) * | 2008-09-04 | 2013-05-01 | 新奥特（北京）视频技术有限公司 | Method for transmitting images with large data volume in real time based on C/S mode |
| CN104159063A (en) * | 2013-05-14 | 2014-11-19 | 杭州海康威视数字技术股份有限公司 | Real-time transcoding method and apparatus, and real-time decoding method and apparatus |
| CN104219527A (en) * | 2014-09-19 | 2014-12-17 | 广州盈可视电子科技有限公司 | Coding method and coding system for embedded device-oriented 4K ultra-high-definition video |
| CN106331523A (en) * | 2016-08-18 | 2017-01-11 | 上海港聚信息科技有限公司 | Online internet high-definition/ super-definition cinema system |
| CN106507139A (en) * | 2016-11-16 | 2017-03-15 | 深圳市捷视飞通科技股份有限公司 | Multi-path high-definition video multiplex display packing and device |
| CN107360380A (en) * | 2017-06-28 | 2017-11-17 | 中国科学院西安光学精密机械研究所 | A kind of double Compression camera devices and its host computer decoding apparatus |
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| CN108924442A (en) * | 2018-08-10 | 2018-11-30 | 上海埃威航空电子有限公司 | DVI-ARINC818 signal converts display methods |
| CN110474867A (en) * | 2019-06-26 | 2019-11-19 | 深圳市朗强科技有限公司 | A kind of transmission method of multi-medium data, system and equipment |
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| CN100591139C (en) * | 2007-09-30 | 2010-02-17 | 四川长虹电器股份有限公司 | Decoding task allocation method for dual core video decoder |
| CN101668192B (en) * | 2008-09-04 | 2013-05-01 | 新奥特（北京）视频技术有限公司 | Method for transmitting images with large data volume in real time based on C/S mode |
| CN102098503B (en) * | 2009-12-14 | 2012-11-28 | 中兴通讯股份有限公司 | Method and device for decoding image in parallel by multi-core processor |
| CN102625192A (en) * | 2011-01-26 | 2012-08-01 | 天脉聚源(北京)传媒科技有限公司 | System and method of video play |
| CN102625192B (en) * | 2011-01-26 | 2014-12-17 | 天脉聚源(北京)传媒科技有限公司 | System and method of video play |
| CN102244781A (en) * | 2011-03-31 | 2011-11-16 | 苏州汉辰数字多媒体有限公司 | Audio video coding standard (AVS) video coder adopting high speed multi-core digital signal processor (DSP) platform |
| CN102394088A (en) * | 2011-06-28 | 2012-03-28 | 上海盈方微电子有限公司 | Method for constructing multi-media data source reading model |
| CN102394088B (en) * | 2011-06-28 | 2015-01-07 | 上海盈方微电子股份有限公司 | Method for constructing multi-media data source reading model |
| CN102510495A (en) * | 2011-10-12 | 2012-06-20 | 杭州华三通信技术有限公司 | Collaboration processing method and equipment for image |
| CN102404578A (en) * | 2011-12-21 | 2012-04-04 | 中国科学院自动化研究所 | Multi-channel video transmitting system and method |
| CN102821303A (en) * | 2012-08-31 | 2012-12-12 | 哈尔滨工程大学 | Network real-time graded compression and transmission method for pixel-level video information |
| CN102821303B (en) * | 2012-08-31 | 2016-06-29 | 哈尔滨工程大学 | A kind of Pixel-level video information network real-time graded compression transmitting method |
| CN104159063A (en) * | 2013-05-14 | 2014-11-19 | 杭州海康威视数字技术股份有限公司 | Real-time transcoding method and apparatus, and real-time decoding method and apparatus |
| CN104219527A (en) * | 2014-09-19 | 2014-12-17 | 广州盈可视电子科技有限公司 | Coding method and coding system for embedded device-oriented 4K ultra-high-definition video |
| CN108141587A (en) * | 2015-10-09 | 2018-06-08 | 微软技术许可有限责任公司 | For reducing the video stand-by period recipient side modification |
| CN106331523A (en) * | 2016-08-18 | 2017-01-11 | 上海港聚信息科技有限公司 | Online internet high-definition/ super-definition cinema system |
| CN106507139A (en) * | 2016-11-16 | 2017-03-15 | 深圳市捷视飞通科技股份有限公司 | Multi-path high-definition video multiplex display packing and device |
| CN107360380A (en) * | 2017-06-28 | 2017-11-17 | 中国科学院西安光学精密机械研究所 | A kind of double Compression camera devices and its host computer decoding apparatus |
| CN108924442A (en) * | 2018-08-10 | 2018-11-30 | 上海埃威航空电子有限公司 | DVI-ARINC818 signal converts display methods |
| CN110474867A (en) * | 2019-06-26 | 2019-11-19 | 深圳市朗强科技有限公司 | A kind of transmission method of multi-medium data, system and equipment |
| CN110979208A (en) * | 2019-11-28 | 2020-04-10 | 东风电驱动系统有限公司 | Vehicle-mounted intelligent information terminal |
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