CN101001370A - Vedio transmission system and method of mixed with mutiple code and decode - Google Patents
Vedio transmission system and method of mixed with mutiple code and decode Download PDFInfo
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- CN101001370A CN101001370A CN 200710000939 CN200710000939A CN101001370A CN 101001370 A CN101001370 A CN 101001370A CN 200710000939 CN200710000939 CN 200710000939 CN 200710000939 A CN200710000939 A CN 200710000939A CN 101001370 A CN101001370 A CN 101001370A
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Abstract
This invention relates to a video transmission system and a method combining multiple kinds of coders and decoders, in which, the system includes a transmitting end and a receiving end characterizing that said transmitting end is the PC unit with 1394 interface and connected with a video source device by 1394 transmission line and gets video source data by a video source device and decodes and then codes the video data by a coding and decoding module and transmits them to the receiving end, which displays them in decoding, said receiving end is a PC unit with a software decoder.
Description
Technical field
The invention belongs to communication technical field, refer in particular to a kind of Video transmission system and method that merges multiple encoding and decoding.
Background technology
Along with the continuous lifting of CPU disposal ability, can meet or exceed performance fully based on the Video transmission system of specialized hardware based on the performance of the Video transmission system of universal PC platform.The Video transmission system of universal PC platform can be supported various video resolutions according to demand, as: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p etc.Particularly merged the Video transmission system of the universal PC platform of multiple encoding and decoding, it adopts general PC platform and general video capture device, and system cost is low, is fit to extensive popularization and application.
Summary of the invention
The object of the present invention is to provide the Video transmission system and the method for one kind of multiple encoding and decoding, it is based on general PC platform and IP network, utilizes video capture device, and merged multiple encoding and decoding technique, it is low to have user cost, and equipment interoperability is good, is easy to characteristics such as large scale deployment.
Technical scheme of the present invention is:
A kind of Video transmission system that merges multiple encoding and decoding, it comprises by IP network interconnected transmitting terminal and receiving terminal, it is characterized in that: described transmitting terminal is the PC with 1394 interfaces, and links to each other with video source device by 1394 transmission lines; Described transmitting terminal obtains video source data by video source device, and by coding/decoding module this video data is carried out first decoding, is transferred to receiving terminal behind the coding again, and carries out decoding and displaying by receiving terminal by decoder module; Described receiving terminal is the PC with software decoder.
Described IP network comprises wired IP network and/or Wireless IP network.Described transmitting terminal has 1394 interfaces.Described transmitting terminal also comprises pretreatment module, and this module comprises reduces or convergent-divergent, code check and frame per second control etc. the original video data of the back acquisition of decoding, to obtain the image of required size, as: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p etc., and suitable code check and frame per second.
Described video source device, it comprises: the household digital video camera; The family expenses high-definition digital video camera; The high-definition digital video camera of specialty; Other has the picture output device of 1394 interfaces.
The resolution of described original video data is 720 * 576 or the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting.
The decoding standard of the coding/decoding module of described transmitting terminal is MPEG-2, DVS etc.
The coding standard of the coding/decoding module of described transmitting terminal be MPEG-4, H.264, VC-1 or AVS etc.
The decoding standard of the decoder module of described receiving terminal be MPEG-4, H.264, VC-1 or AVS etc.
A kind of video transmission method that merges multiple encoding and decoding is characterized in that may further comprise the steps: step 1, and transmitting terminal carries out the collection of video source; Step 2, transmitting terminal is decoded to the video source data that collects, and obtains original video data; Step 3, transmitting terminal are encoded once more, and are sent to receiving terminal by IP network after original video data is carried out preliminary treatment; Step 4, receiving terminal carries out decoding and displaying by the video data behind the IP network received code.
Described transmitting terminal has 1394 interfaces.
Described transmitting terminal has the IP network output interface.
Described video source comprises TS and DVS etc.;
The resolution of described original video data is 720 * 576 or the image of 1440 * 1080i or 1920 * 1080i or 1280 * 720P or 1920 * 1080P or extended formatting.
The decoding standard of described transmitting terminal is MPEG-2, DVS etc.
The coding standard of described transmitting terminal be MPEG-4, H.264, VC-1 or AVS etc.
The decoding standard of described receiving terminal be MPEG-4, H.264, VC-1 or AVS etc.
Technique effect of the present invention is as follows:
1. adopt the generic video source device, user cost is low, and the scale that is easy to is disposed;
2. adopt the universal PC platform, save user resources, upgrading is convenient;
3. merge multiple encoding and decoding technique, under the condition of lower bandwidth, obtain high-quality image.
Description of drawings
Fig. 1: be system block diagram of the present invention.
Fig. 2: be system works functional-block diagram of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the Video transmission system of multiple encoding and decoding is merged in the present invention, and it comprises: 10-video source device, 20-transmitting terminal, 30-IP network, 40-receiving terminal.Wherein, described video source device 10 links to each other by 1394 transmission lines with transmitting terminal 20; Transmitting terminal 20, receiving terminal 40 is mutually interconnected by IP network 30.
Wherein, described video source device 10, it comprises: the household digital video camera; The family expenses high-definition digital video camera; The high-definition digital video camera of specialty; Other has the picture output device of 1394 interfaces.
Described transmitting terminal 20 has 1394 interfaces, and output interface is the IP network interface.
The function that described transmitting terminal 20 is realized comprises:
(1) collection of video signal obtains video source data;
(2) original video data that the back of decoding is obtained is reduced or convergent-divergent, code check and frame per second control etc., obtaining the image of required size, as: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p etc., and suitable code check and frame per second;
(3), carry out encoding process to pretreated original video data;
(4) video data after will encoding transfers to receiving terminal 40 by IP network 30.
The function that described receiving terminal 40 is realized comprises:
(1) by IP network 30 receiver, video code stream;
(2) to the video code flow of the compression that receives, decode, obtain original video data by decoder;
(3) receiving terminal display image.
The present invention realizes the video signal collective transmission method, and it comprises:
(1) starts video source device 10, obtain video source data; And 1394 transmission lines by linking to each other with transmitting terminal 20, export transmitting terminal 20 to:
(2) transmitting terminal 20 is gathered video source data by 1394 interfaces;
(3) 20 pairs of video source datas that collect of transmitting terminal are decoded, to obtain original video data;
(4) the original video source data that obtains in 20 pairs of steps 3 of transmitting terminal is carried out preliminary treatment, comprise adopting software algorithm that original video data is reduced or convergent-divergent, and functions such as code check and frame per second control, obtaining the image of required size, as: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p etc., and suitable code check and frame per second;
(5) 20 pairs of pretreated original video data of transmitting terminal are carried out encoding process;
(6) video data after transmitting terminal 20 will be encoded is sent to receiving terminal 40 by IP network 30;
(7) receiving terminal 40 receives the video code flow that compressed by IP network 30;
(8) video code flow of 40 pairs of compressions that receive of receiving terminal is decoded by decoder, obtains original video data;
(9) receiving terminal 40 display images.
As shown in Figure 2, implementation method of the present invention is:
(1) starts video source device, output TS or DVS etc.;
(2) transmitting terminal 1394 interfaces are gathered TS or DVS:
(3) transmitting terminal is decoded to TS or the DVS that collects, to obtain original video data;
(4) transmitting terminal carries out preliminary treatment to the original video source data that obtains in the step 3, comprise adopting software algorithm that original video data is reduced or convergent-divergent, and code check and frame per second control etc., obtaining the image of required size, as: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p etc., and suitable code check and frame per second;
(5) transmitting terminal carries out encoding process once more to pretreated original video data, can carry out video coding by encoder (MPEG-4, H.264, VC-1 or AVS etc.);
(6) video data after transmitting terminal will be encoded once more is sent to receiving terminal by IP network 30;
(7) receiving terminal receives the video code flow that compressed by IP network 30;
(8) receiving terminal is to the video code flow of the compression that receives, decodes by decoder (MPEG-4, H.264, VC-1 or AVS etc.);
(9) receiving terminal display image.
As can be seen from Figure 2, the preliminary treatment of the collection of above step 2, the decoding of step 3, step 4, the coding of step 5 and the transmission of step 6 are finished by transmitting terminal, and the demonstration of the reception of step 7, the decoding of step 8 and step 9 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 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, a kind of Video transmission system that merges multiple encoding and decoding, it comprises by IP network interconnected transmitting terminal and receiving terminal, it is characterized in that: described transmitting terminal is the PC with 1394 interfaces, and links to each other with video source device by 1394 transmission lines; Described transmitting terminal obtains video source data by video source device, and by coding/decoding module this video data is carried out first decoding, is transferred to receiving terminal behind the coding again, and carries out decoding and displaying by receiving terminal by decoder module; Described receiving terminal is the PC with software decoder.
2, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1 is characterized in that: described transmitting terminal and receiving terminal can be integrated on the PC.
3, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1 is characterized in that: described IP network comprises wired IP network and/or Wireless IP network.
4, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1 is characterized in that: described transmitting terminal comprises original video data is carried out preliminary treatment, comprises and adopts software algorithm that original video data is reduced or convergent-divergent, and code check and frame per second controlled function, to obtain the image of required size, it comprises: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p, with and suitable code check and frame per second.
5, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1 is characterized in that: described video source device, and it comprises: the household digital video camera; The family expenses high-definition digital video camera; The high-definition digital video camera of specialty; Other has the picture output device of 1394 interfaces.
6, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1, it is characterized in that: the resolution of described original video data comprises: 720 * 576; Or 1440 * 1080i; Or 1920 * 1080i; Or 1280 * 720P; Or 1920 * 1080P; Or the image of other form.
7, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1 is characterized in that: the decoding standard of the coding/decoding module of described transmitting terminal is MPEG-2, DVS; The coding standard of the coding/decoding module of described transmitting terminal is: MPEG-4, H.264, VC-1 or AVS.
8, the Video transmission system of the multiple encoding and decoding of fusion according to claim 1 is characterized in that: the decoding standard of the decoder module of described receiving terminal be MPEG-4, H.264, VC-1 or AVS.
9, a kind of method that realizes merging the video transmission of multiple encoding and decoding, it is characterized in that: it comprises:
(1) starts video source device, obtain video source data; And 1394 transmission lines by linking to each other with transmitting terminal, export transmitting terminal to;
(2) transmitting terminal is gathered video source data by 1394 interfaces;
(3) transmitting terminal is decoded to the video source data that collects, to obtain original video data;
(4) transmitting terminal carries out preliminary treatment to the original video source data that obtains in the step 3, comprise adopting software algorithm that original video data is reduced or convergent-divergent, and functions such as code check and frame per second control, to obtain the image of required size, it comprises: qcif, qsif, cif, sif, 2sif, 2cif, 4cif, 4sif, 720p, 1080i, 1080p, with and suitable code check and frame per second;
(5) transmitting terminal carries out encoding process to pretreated original video data;
(6) video data after transmitting terminal will be encoded is sent to receiving terminal by IP network;
(7) receiving terminal receives the video code flow that compressed by IP network;
(8) receiving terminal is decoded by decoder to the video code flow of the compression that receives, obtains original video data;
(9) receiving terminal display image.
10. the method for the video transmission of multiple encoding and decoding is merged in realization according to claim 9, it is characterized in that: described IP network comprises wired IP network and/or Wireless IP network; 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 video source device comprises the household digital video camera; The family expenses high-definition digital video camera; The high-definition digital video camera of specialty; Other has the picture output device of 1394 interfaces; The decoding standard of the coding/decoding module of described transmitting terminal is MPEG-2, DVS; The coding standard of the coding/decoding module of described transmitting terminal is: MPEG-4, H.264, VC-1 or AVS.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710000939 CN101001370A (en) | 2007-01-15 | 2007-01-15 | Vedio transmission system and method of mixed with mutiple code and decode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710000939 CN101001370A (en) | 2007-01-15 | 2007-01-15 | Vedio transmission system and method of mixed with mutiple code and decode |
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| CN101001370A true CN101001370A (en) | 2007-07-18 |
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| CN 200710000939 Pending CN101001370A (en) | 2007-01-15 | 2007-01-15 | Vedio transmission system and method of mixed with mutiple code and decode |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867765A (en) * | 2010-04-30 | 2010-10-20 | 杭州华三通信技术有限公司 | Data transmission method and system |
| CN102025990A (en) * | 2010-11-04 | 2011-04-20 | 曙光信息产业(北京)有限公司 | Video coding and decoding dynamic multiresolution self-adaption paralleling method under multicore environment |
| CN102802024A (en) * | 2012-08-28 | 2012-11-28 | 曙光信息产业(北京)有限公司 | Transcoding method and transcoding system realized in server |
| CN106878803A (en) * | 2017-02-17 | 2017-06-20 | 利亚德光电股份有限公司 | It is wirelessly transferred method, device and the system of video/audio |
| CN111314778A (en) * | 2020-03-02 | 2020-06-19 | 北京小鸟科技股份有限公司 | Video coding and decoding fusion processing method based on multiple compression systems |
| CN112068789A (en) * | 2020-09-03 | 2020-12-11 | 北京华瑞视界科技有限公司 | Distributing plate, lamp plate and splicing display system |
-
2007
- 2007-01-15 CN CN 200710000939 patent/CN101001370A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867765A (en) * | 2010-04-30 | 2010-10-20 | 杭州华三通信技术有限公司 | Data transmission method and system |
| CN102025990A (en) * | 2010-11-04 | 2011-04-20 | 曙光信息产业(北京)有限公司 | Video coding and decoding dynamic multiresolution self-adaption paralleling method under multicore environment |
| CN102025990B (en) * | 2010-11-04 | 2013-11-27 | 曙光信息产业(北京)有限公司 | Video coding and decoding dynamic multiresolution self-adaption paralleling method under multicore environment |
| CN102802024A (en) * | 2012-08-28 | 2012-11-28 | 曙光信息产业(北京)有限公司 | Transcoding method and transcoding system realized in server |
| CN106878803A (en) * | 2017-02-17 | 2017-06-20 | 利亚德光电股份有限公司 | It is wirelessly transferred method, device and the system of video/audio |
| CN111314778A (en) * | 2020-03-02 | 2020-06-19 | 北京小鸟科技股份有限公司 | Video coding and decoding fusion processing method based on multiple compression systems |
| CN111314778B (en) * | 2020-03-02 | 2021-09-07 | 北京小鸟科技股份有限公司 | Coding and decoding fusion processing method, system and device based on multiple compression modes |
| CN112068789A (en) * | 2020-09-03 | 2020-12-11 | 北京华瑞视界科技有限公司 | Distributing plate, lamp plate and splicing display system |
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Open date: 20070718 |