CN102647621B - Video synchronous playback device and method - Google Patents
Video synchronous playback device and method Download PDFInfo
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- CN102647621B CN102647621B CN201210131491.4A CN201210131491A CN102647621B CN 102647621 B CN102647621 B CN 102647621B CN 201210131491 A CN201210131491 A CN 201210131491A CN 102647621 B CN102647621 B CN 102647621B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005243 fluidization Methods 0.000 claims abstract description 7
- 238000013507 mapping Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
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- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The invention discloses a video synchronous playback device, which comprises a projection hall server and at least one client. The video hall server comprises a projection hall video fluidization control module, a video exchanging channel control module and a server information control module. The at least one client comprises an information control module, a video source module and a video resource synchronous playback control module, and is used for selecting video sources needed to be played back and performing play control to playback video sources based on play control requirements of playback initiators. The invention further discloses a video synchronous playback method. According to the video synchronous playback device and the method, only one initiator is needed for the synchronous playback, the operation is simple, the whole playback process is controllable, only one synchronous playback server and several clients are needed for achieving synchronous playback, and cost of synchronous playback is greatly saved.
Description
Technical field
The present invention relates to field of video processing, be specifically related to a kind of audio video synchronization playback reproducer, also relate to a kind of audio video synchronization back method, be applicable to same video file to carry out while playback in different places.
Background technology
Synchronized playback technical scheme and the device of present supervisory control system on the market to video file: in order to realize video file of synchronized playback of a plurality of clients, find video file according to the selected time, from storage server, download corresponding video file to each client, then in this locality, carry out synchronous decoding playback.The shortcoming of doing is like this that all user terminals must first will be downloaded video file, and each client need to be retrieved primary video file, and operation is trouble very.And the situation of wayward whole synchronized playback, such as F.F., slow-motion, time-out, progress monitoring etc.
Summary of the invention
The object of the invention is the problems referred to above that exist for prior art, be to provide a kind of audio video synchronization playback reproducer, also be to provide a kind of audio video synchronization back method, can realize same video file and carry out while playback at different user terminals, take data channel resource few.
Above-mentioned purpose of the present invention is achieved through the following technical solutions:
An audio video synchronization playback reproducer, comprises Movie House server and at least one client,
Client, for the selected video source that needs playback, for sending playback request to Movie House server, for carrying out Play Control to carrying out the video source of playback;
Movie House server comprises:
Movie House video recording fluidisation control module, for converting the video recording resource of client-requested playback to video source;
Video exchange passage control module, provide at least one for forwarding the data channel of video source, after receiving the playback request of client, judge whether available free data channel, if had, it is that available free data channel signal and selected idle data passage transmission video flow to client that passage feedback signal is set, if no, channel signal is set for without idle data channel signal, by server message control module, feed back client passage feedback signal; With
Server message control module, for receiving the playback request of client and sending to video exchange passage control module, the Play Control request of customer in response end.
Client as above comprises:
Information control module, for initiating playback request, sends Play Control request, receives the passage feedback signal of Movie House server, receives the Play Control request feedback signal of Movie House server; Other clients are carried out to video push, receive the video push of other clients;
Video source module, takies situation for the playback of DDC, and video source module comprises the mapping channel shining upon with the data channel of video exchange passage control module;
Video recording source synchronous playback controls module, for the selected video source that needs playback, for carrying out Play Control according to playback promoter's Play Control request to carrying out the video source of playback.
Client as above can will just not ask the client of synchronized playback synchronously to be play in the video source active push of playback to other.
Client as above does not ask the synchronous playing request of sending of the client of synchronized playback that the video source in playback is just pushed to the client that other do not ask synchronized playback according to other.
An audio video synchronization back method, comprises the following steps:
Step 1, client are sent synchronized playback request to Movie House server, and select to need the video recording resource of synchronized playback;
Step 2, Movie House server are received after synchronized playback request, judge current whether available free for forwarding the data channel of video source, if available free data channel, and for the selected corresponding data channel of synchronized playback request and passage feedback signal is set is available free data channel signal, by video recording resource, to carry out fluidisation be video source and send to client by selected corresponding data channel, if there is no idle data passage, it is that Transfer pipe feedback signal is to client without idle data channel signal that channel signal is set;
Step 3, client Movie House server channels feedback signal, if passage feedback signal is without idle channel signal, stop playback flow process; If passage feedback signal is available free channel signal, by selected data channel receiver, video source in step 2, and carry out playback, enter step 4;
Step 4, Movie House server convert video recording resource to video source, and by selected data channel, video source are sent to client.
An audio video synchronization back method, also comprises that client active push just do not asking the step of the client of synchronized playback to other in the video source of synchronized playback.
An audio video synchronization back method, also comprises that client do not ask synchronous playing request that the client of synchronized playback sends that the video source in playback is just pushed to the step that other do not ask the client of synchronized playback according to other.
The present invention compared with prior art, has the following advantages:
1, synchronized playback only needs an originating end, and certain passage of other clients of message informing is carrying out playback, and other clients just can be carried out synchronized playback by this passage of program request, simple to operate.
2, whole flow process has controllability, and synchronized playback promoter can control the situation (F.F., slow-motion, time-out etc.) of whole synchronized playback.
3, only need a synchronized playback server and several client just can realize synchronized playback, greatly save the cost of realizing synchronized playback.
Accompanying drawing explanation
Fig. 1 is the principle schematic of apparatus of the present invention;
Fig. 2 is the schematic flow sheet of the inventive method.
In figure: 1-Movie House server; 2-client.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail.
Embodiment 1
An audio video synchronization playback reproducer, is characterized in that, comprises Movie House server 1 and at least one client 2,
Client 2, for the selected video source that needs playback, for sending playback request to Movie House server 1, for carrying out Play Control to carrying out the video source of playback;
Movie House server 1 comprises:
Movie House video recording fluidisation control module, for converting the video recording resource of client 2 request playback to video source;
Video exchange passage control module, provide at least one for forwarding the data channel of video source, after receiving the playback request of client 2, judge whether available free data channel, if had, it is that available free data channel signal and selected idle data passage transmission video flow to client 2 that passage feedback signal is set, if no, channel signal is set for without idle data channel signal, by server message control module, feed back client 2 passage feedback signals; With
Server message control module, for receiving the playback request of client 2 and sending to video exchange passage control module, the Play Control request of customer in response end 2.
Client 2 comprises:
Information control module, for initiating playback request, sends Play Control request, receives the passage feedback signal of Movie House server 1, receives the Play Control request feedback signal of Movie House server 1; Other clients are carried out to video push, receive the video push of other clients;
Video source module, takies situation for the playback of DDC, and video source module comprises the mapping channel shining upon with the data channel of video exchange passage control module;
Video recording source synchronous playback controls module, for the selected video source that needs playback, for carrying out Play Control according to playback promoter's Play Control request to carrying out the video source of playback.
Client 2 can will just not ask the client of synchronized playback synchronously to be play in the video source active push of playback to other.
Client 2 does not ask the synchronous playing request of sending of the client of synchronized playback that the video source in playback is just pushed to the client that other do not ask synchronized playback according to other.
An audio video synchronization back method, comprises the following steps:
Step 1, client 2 are sent synchronized playback request to Movie House server 1, and select to need the video recording resource of synchronized playback;
Step 2, Movie House server 1 are received after synchronized playback request, judge current whether available free for forwarding the data channel of video source, if available free data channel, and for the selected corresponding data channel of synchronized playback request and passage feedback signal is set is available free data channel signal, by video recording resource, to carry out fluidisation be video source and send to client 2 by selected corresponding data channel, if there is no idle data passage, it is that Transfer pipe feedback signal is to client 2 without idle data channel signal that channel signal is set;
Step 3, client 2 receive Movie House server 1 passage feedback signal, if passage feedback signal is without idle channel signal, stop playback flow process; If passage feedback signal is available free channel signal, by selected data channel receiver, video source in step 2, and carry out playback, enter step 4;
Step 4, Movie House server 1 convert video recording resource to video source, and by selected data channel, video source are sent to client 2.
An audio video synchronization back method, also comprises that client 2 active push are not just asking the step of the client of synchronized playback to other in the video source of synchronized playback.
An audio video synchronization back method, also comprises that client 2 do not ask synchronous playing request that the client of synchronized playback sends that the video source in playback is just pushed to the step that other do not ask the client of synchronized playback according to other.
As a kind of preferred version, video exchange passage control module provides 16 for forwarding the data channel of video source,
A certain client 2 is initiated synchronized playback, and 16 data channel will be occupied one so, and other client needs only this data channel of program request, just can realize the effect of synchronized playback.But synchronized playback can only be initiated 16 times simultaneously, because only have 16 passages.The mapping channel shining upon with data channel in video source module is also 16, the taking and service condition of actual 16 data channel of 16 mapping channel real time reactions by mapping.
Pushing is also a kind of mode of synchronized playback.Push once, also just a client 2 is sent synchronized playback request, has taken a data channel, and synchronous broadcasting of other client only takies this passage, saves data channel resource.
Client 2 Real-time Feedback broadcast information (for example, just at play instruction video file, playing progress rate).
Client 2 is accepted Play Control (such as the unlatching of synchronized playback, suspend, stop broadcasting, F.F., rewind down, the operation such as previous, next) in real time.
The present invention has really realized the real-time, interactive of audio frequency and video video recordings, has met the demand of the synchronized playback between many video files, multi-user, has simplified the operation that realizes synchronized playback.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (2)
1. an audio video synchronization playback reproducer, is characterized in that, comprises Movie House server (1) and at least one client (2),
Client (2), for the selected video source that needs playback, for sending playback request to Movie House server (1), for carrying out Play Control to carrying out the video source of playback;
Movie House server (1) comprising:
Movie House video recording fluidisation control module, for converting the video recording resource of client (2) request playback to video source;
Video exchange passage control module, provide at least one for forwarding the data channel of video source, after being used for receiving the playback request of client (2), judge whether available free data channel, if had, it is that available free data channel signal and selected idle data passage transmission video flow to client (2) that passage feedback signal is set, if no, channel signal is set for without idle data channel signal, by server message control module, feed back client (2) passage feedback signal; With
Server message control module, for receiving the playback request of client (2) and sending to video exchange passage control module, the Play Control request of customer in response end (2),
Client (2) comprising:
Information control module, for initiating playback request, sends Play Control request, receives the passage feedback signal of Movie House server (1), receives the Play Control request feedback signal of Movie House server (1); Other clients are carried out to video push, receive the video push of other clients;
Video source module, takies situation for the playback of DDC, and video source module comprises the mapping channel shining upon with the data channel of video exchange passage control module;
Video recording source synchronous playback controls module, for the selected video source that needs playback, for carrying out Play Control according to playback promoter's Play Control request to carrying out the video source of playback,
Client (2) can will just not ask the client of synchronized playback synchronously to be play in the video source active push of playback to other,
Client (2) does not ask the synchronous playing request of sending of the client of synchronized playback that the video source in playback is just pushed to the client that other do not ask synchronized playback according to other.
2. an audio video synchronization back method that utilizes device described in claim 1, is characterized in that, comprises the following steps:
Step 1, client (2) are sent synchronized playback request to Movie House server (1), and select to need the video recording resource of synchronized playback;
Step 2, Movie House server (1) are received after synchronized playback request, judge current whether available free for forwarding the data channel of video source, if available free data channel, and for the selected corresponding data channel of synchronized playback request and passage feedback signal is set is available free data channel signal, by video recording resource, to carry out fluidisation be video source and send to client (2) by selected corresponding data channel, if there is no idle data passage, it is that Transfer pipe feedback signal is to client (2) without idle data channel signal that channel signal is set;
Step 3, client (2) receive Movie House server (1) passage feedback signal, if passage feedback signal is without idle channel signal, stop playback flow process; If passage feedback signal is available free channel signal, by selected data channel receiver, video source in step 2, and carry out playback, enter step 4;
Step 4, Movie House server (1) convert video recording resource to video source, and by selected data channel, video source are sent to client (2),
Also comprise that client (2) active push just do not asking the step of the client of synchronized playback to other in the video source of synchronized playback,
Also comprise that client (2) do not ask synchronous playing request that the client of synchronized playback sends that the video source in playback is just pushed to the step that other do not ask the client of synchronized playback according to other.
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| CN102970589B (en) * | 2012-11-26 | 2016-03-30 | 中国联合网络通信集团有限公司 | The control method of multi-terminal-basedsynergetic synergetic media stream play and device |
| CN104702876B (en) * | 2014-01-22 | 2017-12-01 | 杭州海康威视数字技术股份有限公司 | A kind of Multi-path synchronous back method and device |
| CN110572703A (en) * | 2019-10-08 | 2019-12-13 | 广州创维平面显示科技有限公司 | Multimedia data synchronous playing method, system, terminal and storage medium |
| CN114025221B (en) * | 2021-11-03 | 2023-10-27 | 聚好看科技股份有限公司 | Display device and play control method of video application |
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| CN1983237A (en) * | 2005-12-15 | 2007-06-20 | 北京凯诚高清电子技术有限公司 | Method and device for playing cross-platform distributed network controllable multi-medium |
| CN101803380A (en) * | 2007-07-20 | 2010-08-11 | 联合视频制品公司 | Systems and methods for allocating bandwidth in switched digital video systems based on interest |
| CN101854286A (en) * | 2009-04-01 | 2010-10-06 | 北京大学 | UDP (User Datagram Protocol)-based data stream sending-receiving method and device |
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| AU2010306890A1 (en) * | 2009-10-16 | 2012-03-29 | Delta Vidyo, Inc. | Smartphone to control internet TV system |
| US20110162020A1 (en) * | 2009-12-29 | 2011-06-30 | Kahn Raynold M | Method and system for operating a multi-room digital video recording system |
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| CN1983237A (en) * | 2005-12-15 | 2007-06-20 | 北京凯诚高清电子技术有限公司 | Method and device for playing cross-platform distributed network controllable multi-medium |
| CN101803380A (en) * | 2007-07-20 | 2010-08-11 | 联合视频制品公司 | Systems and methods for allocating bandwidth in switched digital video systems based on interest |
| CN101854286A (en) * | 2009-04-01 | 2010-10-06 | 北京大学 | UDP (User Datagram Protocol)-based data stream sending-receiving method and device |
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