CN103414883A - Customized service method and customized playback device of video streams - Google Patents
Customized service method and customized playback device of video streams Download PDFInfo
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- CN103414883A CN103414883A CN2013103650971A CN201310365097A CN103414883A CN 103414883 A CN103414883 A CN 103414883A CN 2013103650971 A CN2013103650971 A CN 2013103650971A CN 201310365097 A CN201310365097 A CN 201310365097A CN 103414883 A CN103414883 A CN 103414883A
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Abstract
The invention provides a customized playback device of video streams and a customized service method of the video streams. According to the whole solution, the customized service method of the video streams comprises the following steps that (1) a user applies for a virtual channel, and correspondingly appoints n actual channels; (2) a server correspondingly creates the virtual channel according to the application of a mobile terminal, and returns a virtual channel identification back; (3) the mobile terminal sends a playback request aiming at the virtual channel to the server; (4) the server obtains video streams of the n actual channels after receiving the playback request of the virtual channel, carries out speed reduction processing on the n video streams after carrying out decoding on the n video streams, carries out coding again to form one synthesized speed-reduced video stream, and sends the synthesized speed-reduced video stream to the mobile terminal; (5) the mobile terminal carries out decoding on the synthesized speed-reduced video stream after receiving the synthesized speed-reduced video stream, and carries out display on the synthesized speed-reduced video stream. Compared with the prior art, the customized playback device of the video streams and the customized service method of the video streams can enable the user to conveniently use the mobile terminal to watch the video steams of a plurality of channels through a customized playback service, and can save a large number of traffic fees for the user.
Description
Technical field
The present invention relates to technical field of video monitoring, relate in particular to a kind of video flowing customize services method and customization playback reproducer.
Background technology
Along with the develop rapidly of mobile access technology and mobile terminal technology, the urgent hope of people can be whenever and wherever possible and even can be easily from the Internet obtaining information and service in moving process, and mobile Internet arises at the historic moment and fast development.Video Surveillance Industry is no exception, the mobile terminal of video monitoring client terminal (as the smart mobile phone) technology trends that is inevitable.
Please refer to the classical group web frame of Fig. 1, multimedia (audio frequency and video) playback technology is widely used in safety defense monitoring system at present.Suppose the audio frequency and video of a plurality of passages of user's playback simultaneously of use mobile terminal, need to consume a large amount of network traffics.Mobile terminal is normally according to Network account, and current playback technology need to spend a large amount of campus network of client.
Summary of the invention
In view of this, the invention provides a kind of video flowing customization playback reproducer, be applied on mobile terminal, this device matches with the service end of video monitoring system, and wherein this device comprises customized management unit, Service Processing Unit, wherein:
The customized management unit, for according to user instruction, with N physical channel of user's appointment, identifying corresponding tunnel to the service end application, obtain the tunnel sign that service end is returned, corresponding relation between N the physical channel of preserving this tunnel sign and user's appointment in this locality identifies, wherein N is greater than 1 natural number;
Service Processing Unit, for to service end, sending the video flowing playback request for tunnel, and carry the tunnel sign in playback request; After receiving the synthetic reduction of speed video flowing corresponding with tunnel, will synthesize the reduction of speed decoding video stream and show.
The present invention also provides a kind of video flowing customize services method, is applied on the service end in video monitoring system, and for mobile terminal provides customization playback service, wherein the method comprises the steps:
Steps A, service end be according to the corresponding tunnel that creates of the application of mobile terminal, safeguards the corresponding relation of this tunnel sign between identifying with N physical channel, and tunnel is identified and returns to mobile terminal;
Step B, service end are determined N physical channel corresponding to this tunnel according to the tunnel sign of carrying in this request after receiving the tunnel playback request;
Step C, service end are obtained the video flowing of N physical channel, will after this N decoding video stream, carry out the reduction of speed processing, then N reduction of speed video flowing are encoded to the synthetic reduction of speed video flowing in a road and send to mobile terminal.
Compared to existing technologies, the present invention can be user-friendly to mobile terminal by customization playback service and watch a plurality of passage video flowings, and can save a large amount of campus networks for the user.
The accompanying drawing explanation
Fig. 1 is a kind of typical video monitoring system networking schematic diagram.
Fig. 2 is customization playback reproducer logical construction and hardware environment figure in one embodiment of the present invention.
Fig. 3 customizes the overview flow chart of playback and customize services in one embodiment of the present invention.
Fig. 4 is the operation interface schematic diagram of passage switching in one embodiment of the present invention.
Fig. 5 customizes the process chart of playback and customize services specific implementation in another embodiment of the present invention.
Fig. 6 is the process chart of passage switching specific implementation in another execution mode of the present invention.
Embodiment
In the playback business (namely playing the historical multi-medium data of having stored) of video monitoring, usually need playback server to provide service for terminal equipment.In the playback business, so-called passage refers to a video camera is stored on the network storage equipment a road video flowing.When at present mobile terminal carried out the multimedia playback, playback server can send historical multiple video strems data to the client (can be understood as a Video Monitoring Terminal software) on mobile terminal separately by the video flowing of each passage.If client needs the multiple video strems of a playback N passage, suppose that the bandwidth that each passage need to take is 1Mbps, the user need to operate N playback and the total flow that needs needs N Mbps.Suppose that the user carries out the 4 passage playback of half an hour average every day, the flow of its consumption is the flow of 1800 * 4 * 1M/8=900MB so, and the flow that consume every month may reach this magnitude of tens of GB, and the appropriate litigation fees of these flows is high.
For this situation, the invention provides the problem that a kind of video flowing playback solution is significantly alleviated the high enterprise of multiple video strems amount.With software, be embodied as example, a kind of preferred embodiment in, the invention provides a kind of video flowing customization playback reproducer be applied on mobile terminal; Correspondingly the present invention realizes that at the one or more servers with the playback traffic aided of video monitoring system service end the improvement of corresponding video flowing customize services is to coordinate the processing of this device playback business.Please refer to Fig. 2, described video flowing customization playback reproducer, a part usually used as video monitoring client terminal, be arranged on mobile terminal, mobile terminal can comprise the hardware such as CPU, internal memory, nonvolatile memory and display chip, and described device comprises customized management unit, Service Processing Unit and handover management element at logic level.Please refer to Fig. 3, this device and service end cooperatively interact and carry out following processing procedure.
Step 101, the customized management unit of mobile terminal identifies corresponding tunnel to the service end application with N physical channel of user's appointment according to user instruction;
Step 102, service end creates corresponding tunnel according to the application of mobile terminal, safeguards the corresponding relation of this tunnel sign between identifying with N physical channel, and tunnel is identified and returns to mobile terminal;
Step 103, the customized management unit of mobile terminal are obtained the tunnel that service end returns and are identified and preserve;
Step 104, the Service Processing Unit of mobile terminal sends the playback request for the video flowing of tunnel to service end, and in playback request, carries the tunnel sign;
Step 105, service end are determined N physical channel corresponding to this tunnel according to the tunnel sign of carrying in this request after receiving this request;
Step 106, service end are obtained the video flowing of N physical channel, decode and the reduction of speed processing for this N video flowing, then N reduction of speed video flowing are encoded to the synthetic reduction of speed video flowing in a road and send to mobile terminal;
Step 107, the Service Processing Unit of mobile terminal, after receiving synthetic reduction of speed video flowing, will synthesize the reduction of speed video flowing and decodes and be presented at mobile terminal screen.
Step 108, the handover management element of mobile terminal receives the user issues by touch operation on viewing area switching command, determines the target physical channel that this viewing area is corresponding, and the informing business processing unit is carried out the passage switching;
Step 109, Service Processing Unit sends the playback ending request for tunnel according to this notice to service end;
Step 110, service end send and finish to confirm to mobile terminal after receiving the playback ending request;
Step 111, the Service Processing Unit of mobile terminal is initiated the playback request for the target physical channel to service end after receiving the end confirmation.
The mobile terminal of take is that smart mobile phone is example, and at first the user needs to have brought in the configuration virtual passage by the client who is arranged on smart mobile phone.Suppose that the user thinks often to check simultaneously the video flowing of physical channel 1, physical channel 2, physical channel 11 and physical channel 15 because of certain service needed.Now the user can issue by the interactive interface that the customized management unit provides corresponding user instruction, require the customized management unit to tunnel of service end application, the customized management unit can indicate N the physical channel that this tunnel is corresponding in corresponding customization demand signalling.In preferred mode, the customized management unit also allows the user to specify on N physical channel and screen the one-to-one relationship between N viewing area.Please refer to Fig. 4, wish that because the user is actual the video flowing of watching has 4, whole screen is divided 1,2,3,4 these four zones, viewing area, now the user can specify the corresponding relation between each viewing area and physical channel according to hobby, from the another one angle, what will express here is the position of 4 road image integrations ，Ge road image when together showing.If the user does not specify certainly, the corresponding relation of an acquiescence can be selected in the customized management unit, or corresponding relation is random.
After service end is received application, if it is normal to serve all, it can distribute a tunnel to identify and return to mobile terminal for this customization request, mobile terminal can be kept at this locality by it after receiving the tunnel sign, for user's playback business, the tunnel sign is the same with other single physical channel signs.Please refer to table 1, for service end, what it need to be preserved is the corresponding relation between tunnel sign and physical channel sign.When the video flowing of certain tunnel of mobile terminal request playback, it is the video flowing of the request a plurality of physical channels corresponding with this tunnel in essence.After service end is received the playback request for the tunnel video flowing of this mobile terminal, according to the tunnel sign question blank 1 carried in playback request, thereby determine a plurality of physical channels sign that this tunnel sign is corresponding, namely will know the actual video flowing of wanting to ask which physical channel of mobile terminal.Next, service end can be obtained according to traditional drainage way the video flowing of a plurality of physical channels, and certain drainage procedure is here brought in realization in service, at mobile terminal, does not realize, in fact service end has served as the proxy role of drainage procedure.
Table 1
After the video flowing that obtains a plurality of physical channels, service end can be decoded a plurality of video flowings, and then reduction of speed is processed.The video flowing of physical channel is all encoded video streams, if it is synthesized, at first needs decoding then to carry out corresponding reduction of speed processing.The mode of carrying out the reduction of speed processing here has a variety of, a kind of mode is compression, sacrifice certain picture quality, perhaps suitably reduce frame per second or code check etc., it should be noted that, therefore because the screen of mobile terminal is usually smaller, sacrificing certain picture quality does not have the essence impact usually on user's experience.In preferred mode, the present invention is by the video flowing of a plurality of physical channels through forming the synthetic reduction of speed video flowing in a road after decoding, reduction of speed and recompile, and the code check of the independent request of the speed of this video flowing and mobile terminal one physical channel, tunnel video flowing is suitable.Such as the video flowing code check of 4 physical channels, tunnel all drops to 0.25Mbps from normal 1Mbps respectively in the coding situation, code check after video flowing after such 4 road reductions of speed synthetic and with normal code check, namely the code check of the video flowing of request one physical channel, tunnel is suitable separately for mobile terminal.Code check has descended 75% with respect to prior art on the whole, and the code check in conventional art is 4 times of present embodiment in other words.If in tunnel, the quantity of physical channel is more, the reduction effect of the mobile terminal flow consumption that reduction of speed brings will be more obvious.
After video flowing after the multichannel reduction of speed sent to mobile terminal, mobile terminal can be presented at this synthetic reduction of speed video flowing on N viewing area.Please refer to the example of table 2, suppose on mobile terminal to have tunnel A and tunnel B, all comprise physical channel 1 in these two tunnels, but in tunnel A, corresponding viewing area 1, physical channel 1, in tunnel B, corresponding viewing area 2, physical channel 1.In therefore preferred mode, service end is when carrying out recompile by N reduction of speed video flowing, need to carry out coding according to the corresponding relation between N physical channel and N viewing area, that is to say that from the position at the video flowing place of different physical channels will be not identical.
Table 2
Please refer to Fig. 4, in the preferred embodiment of the present invention, allow the user by the operation that touches viewing area, to realize the switching of passage, this switching mainly stems from some very interested that the user may be in a plurality of viewing areas, and it needs larger picture and finer and smoother demonstration obtain more detailed information.Now the user can be by a slide, draw frame or other any specific touch that characterizes switching commands pre-defined to operate to realize assigning of switching command.Suppose that this specific touch operation is a slide from left to right, if the viewing area of current operation is viewing area 1, after the user carries out this slide, the handover management element of mobile terminal will correspondingly finish the playback business of current tunnel video flowing, to service end, send the playback ending request, by the time after this request is identified, the video flowing in the physical channel 1 of again asking separately current display area 1 correspondence.Now service end can not send to mobile terminal through the video flowing that aforementioned reduction of speed is processed by a road in the conventional mode.Still with above-mentioned example, illustrate, now the size of the video flowing of physical channel 1 remains 1Mbps, and it is not processed through reduction of speed; That is to say that switching moves forward and backward the not variation of flow of terminal.The code check of 1Mbps is adopted in single physical channel, and the quality of its image frame is obviously a lot of than will exceeding of 0.25Mbps, and the user can be concerned about how useful detailed information.The benefit of implementing like this is very significant, under the tunnel pattern, the user can pay close attention to very economical flow the image frame of the video flowing of a plurality of passages, in the pattern of physical channel, the user can pay close attention to same flow the details of image frame of the video flowing of single physical channel again.The processing mode of this execution mode had both been considered the saving of customer flow expense, had also taken into account simultaneously the concern of user to details.
In the process of specific implementation, the various processing of service end realize on a physical server, also can being distributed on multiple servers.In Large Scale Video Monitoring System, can adopt a plurality of servers to work in coordination with to complete the operation of above-mentioned service end.Please refer to the handling process of switching between tunnel playback process flow process on a kind of specific implementation that Fig. 5 and Fig. 6 provide respectively and tunnel and physical channel.This realization is applicable to Large Scale Video Monitoring System.Here management server is mainly to process from the customization request of client to tunnel, customizes successfully rear its and result of customization (corresponding relation of tunnel sign and N physical channel sign) can be handed down to the tunnel playback server.And the tunnel playback server is mainly for the treatment of the playback request of mobile terminal for tunnel; Playback server is for the treatment of the playback request of mobile terminal for single physical channel.In small-sized supervisory control system, between these servers, can be integrated together, the size of this and traffic carrying capacity and networking are actual and determine.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (7)
1. a video flowing customization playback reproducer, be applied on mobile terminal, and this device matches with the service end of video monitoring system, and wherein this device comprises customized management unit, Service Processing Unit, it is characterized in that:
The customized management unit, for according to user instruction, with N physical channel of user's appointment, identifying corresponding tunnel to the service end application, obtain the tunnel sign that service end is returned, corresponding relation between N the physical channel of preserving this tunnel sign and user's appointment in this locality identifies, wherein N is greater than 1 natural number;
Service Processing Unit, for to service end, sending the video flowing playback request for tunnel, and carry the tunnel sign in playback request; After receiving the synthetic reduction of speed video flowing corresponding with tunnel, will synthesize the reduction of speed decoding video stream and show.
2. device as claimed in claim 1, is characterized in that, described customized management unit is further used for carrying the corresponding relation between N physical channel and N viewing area in described application.
3. device as claimed in claim 2, is characterized in that, also comprises:
Handover management element, during for the specific touch operation the sign switching command of user on viewing area being detected, determine target physical channel the informing business processing unit corresponding with this viewing area;
Service Processing Unit, be further used for finishing according to this notice the playback of the video flowing of current tunnel, and to the video flowing of this target physical channel of service end request playback.
4. device as claimed in claim 3, is characterized in that, the code check of the synthetic reduction of speed video flowing that described tunnel is corresponding is identical with the code check of the video flowing of single target physical channel.
5. a video flowing customize services method, be applied on the service end in video monitoring system, and for mobile terminal provides customization playback service, wherein the method comprises the steps:
Steps A, service end be according to the corresponding tunnel that creates of the application of mobile terminal, safeguards the corresponding relation of this tunnel sign between identifying with N physical channel, and tunnel is identified and returns to mobile terminal;
Step B, service end are determined N physical channel corresponding to this tunnel according to the tunnel sign of carrying in this request after receiving the tunnel playback request;
Step C, service end are obtained the video flowing of N physical channel, will after this N decoding video stream, carry out the reduction of speed processing, then N reduction of speed video flowing are encoded to the synthetic reduction of speed video flowing in a road and send to mobile terminal.
6. method as claimed in claim 5, is characterized in that, the code check of described synthetic reduction of speed video flowing is identical with the code check of the video flowing of single target physical channel.
7. method as claimed in claim 5, it is characterized in that, steps A further comprises: from described application, obtaining the corresponding relation of N physical channel and N viewing area, the mode of encoding in described step C is specially: according to the corresponding relation of N physical channel and N viewing area, N reduction of speed video flowing encoded.
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| CN104469315A (en) * | 2014-12-17 | 2015-03-25 | 浙江宇视科技有限公司 | CDN-based video data stream transmission method, device and system |
| CN112929706A (en) * | 2021-03-05 | 2021-06-08 | 浙江大华技术股份有限公司 | Video data playback method, device, storage medium, and electronic device |
| CN114666477A (en) * | 2022-03-24 | 2022-06-24 | 重庆紫光华山智安科技有限公司 | Video data processing method, device, equipment and storage medium |
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Application publication date: 20131127 |