CN104837047A - Distributed system and method for synchronously playing, browsing and editing video - Google Patents
Distributed system and method for synchronously playing, browsing and editing video Download PDFInfo
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- CN104837047A CN104837047A CN201510231055.8A CN201510231055A CN104837047A CN 104837047 A CN104837047 A CN 104837047A CN 201510231055 A CN201510231055 A CN 201510231055A CN 104837047 A CN104837047 A CN 104837047A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 84
- 230000006855 networking Effects 0.000 claims description 56
- 230000001360 synchronised effect Effects 0.000 claims description 44
- 238000012545 processing Methods 0.000 claims description 19
- 238000013500 data storage Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a distributed system and a distributed method for synchronously playing, browsing and editing a video, wherein the system comprises a plurality of distributed sub-systems for synchronously playing, browsing and editing the video and network equipment, and each distributed sub-system for synchronously playing, browsing and editing the video comprises route equipment, a network order data transmission module, a video playing and browsing module, a video editing module and a video data storage module. The invention simultaneously presents the distributed method for synchronously playing, browsing and editing the video. The system and the method of the invention can not only control the video play and browse of a plurality of pieces of distributed equipment, but also allow a plurality of users to synchronously edit the same video online.
Description
Technical field
The present invention relates to audio video synchronization to play and processing technology field, the audio video synchronization particularly relating to a kind of distributed multi-user is play and synchro edit treatment system and method.
Background technology
Along with the development of network technology, computer technology, larger picture, more high-resolution video, be more and more subject to the favor of user.But larger along with video pictures, content is enriched more, makes sharply to rise for the projection of video and work for the treatment of amount, usually needs multiple display device and treatment facility to work in coordination with broadcasting and editor's task of video.In order to complete the projection of ultrahigh resolution video, video fusion technology is arisen at the historic moment, and this is a kind of multimedia technology.In video fusion, mostly multiple video source is to adopt the synchronous technology play, to complete the synchronous broadcasting of several pictures.
Current audio video synchronization play-back technology can only start the playing function of a certain video simultaneously, but due to the difference of video playback apparatus in playing process, the picture of multiple video playback apparatus in playing process is difficult to accomplish strict synchronous.In distributed synchronization display system, because it comprises multi-display splice displaying system, the asynchronous meeting of broadcasting causes video pictures entanglement, and user is difficult to accept.
Along with the development of video field and spectators view and admire the continuous lifting of level, the more treatment step of video post-processing need of work and process details, and at present in post film and TV production field, the photographic work such as film, TV is after the prevailing scenario story of a play or opera has been taken, need frame by frame hand inspection and editor are carried out for each frame video, to guarantee image quality and the effect of every frame video.Along with the raising of the playback equipment such as film, TV video resolution, a certain two field picture often to carry out the process editor of multi-effect and the entirety inspection of the rear effect of process, therefore need many people to divide the work to carry out editing and checking for a certain frame video simultaneously.
But in the end processing sequences of video, multiple staff is difficult to accomplish to process for a certain frame picture of same video in a distributed manner, and this efficiency for post film and TV production team collaboration Video processing has a huge impact simultaneously simultaneously.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention proposes a kind of distributed video and synchronously plays and browse editing system and method, the frame level of its video by real-time performance is synchronously play and browses, in video-splicing field, there is good application, the working team being simultaneously convenient to post film and TV production field can collaborative work, to increase work efficiency.
According to an aspect of the present invention, propose a kind of distributed video and synchronously play and browse editing system, this system comprises: multiple distributed video is synchronously play and browsed editor's subsystem and the network equipment, wherein:
Described multiple distributed video synchronously play browse editor subsystem undertaken interconnected by the network equipment;
Each distributed video synchronously play browse editor subsystem include: routing device, networking command data transmission module, video playback browse module, video editing module and video data access module, wherein:
Described routing device is connected with described networking command data transmission module, browses editor's subsystem transmission video data and vision operation order for playing to the audio video synchronization being in Different Logic network;
Described networking command data transmission module is browsed module, video editing module and video data access module respectively and is connected, for being carried out the transmission of video data and video frame synchronization order by various procotol with described video playback;
Described video playback is browsed module and is connected with described video data access module, for being carried out transmission and the reception of audio video synchronization order by corresponding networking command data transmission module, and strictly realize the synchronous broadcasting of video according to described audio video synchronization order and browse;
Described video editing module is connected with described video data access module, for when synchro edit video, the synch command sent according to described networking command data transmission module and/or the video editing order of local user carry out editing and processing for the pending video data stored in described video data access module, and by the video storage after editing and processing in described video data access module;
Described video data access module with described networking command data transmission module, video playback browses module and video editing module is connected, for preserving pending video data and process rear video data.
Alternatively, the transmission of described video data at least comprises: by the pending video data of network reception, and before operating described pending video data, is transferred in described video data access module and stores.
Alternatively, in described networking command data transmission module, the transmission of described video frame synchronization order at least comprises: by the audio video synchronization order of other subsystem of network reception, browse module and the order of video editing module transmission audio video synchronization to described video playback, and the Video processing order of local user is sent to other subsystem by network.
Alternatively, described audio video synchronization order at least comprises synchronous play command, synchronous browsing order, synchro edit order.
Alternatively, browse in module in described video playback, described audio video synchronization order at least comprises the audio video synchronization order of described networking command data transmission module transmission and the associated video synch command of local user.
Alternatively, browse in module in described video playback, described synchronous broadcasting and browsing at least comprise pending video carried out playing, suspend, F.F., fast reverse operation.
Alternatively, when synchronous displaying video, described video playback is browsed module and is read frame by frame for the pending video data stored in described video data access module and decode, and every two field picture is carried out exporting and showing, to realize the Continuous Play for video according to the synch command that described networking command data transmission module sends;
When synchronous browsing video, described video playback is browsed module and is carried out the reading of leap n frame and decoding for the pending video data stored in described video data access module, and every two field picture is carried out exporting and showing, to realize browsing continuously for video according to the synch command that described networking command data transmission module sends.
Alternatively, described synchronous browsing video at least comprises rewind or F.F. browsing video, and the step-length of rewind or F.F. browsing video is n frame.
Alternatively, described synchro edit order at least comprises the edit commands from other subsystem, and the edit commands of local user.
According to a further aspect in the invention, also propose a kind of distributed video and synchronously play and browse edit methods, the method comprises the following steps:
Step 1, before operating pending video, synchronously plays by each distributed video the networking command data transmission module browsed in editor's subsystem and is stored in each video data access module by pending transmission of video;
Step 2, when opening audio video synchronization playing function, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is browsed module to corresponding video playback and send synchronous play command, described video playback is browsed module and is read frame by frame for the pending video data stored in video data access module, decoding, and carry out exporting and showing in every two field picture according to the synchronous play command received, this step of circulation execution can realize the Continuous Play for video, until described networking command data transmission module receives exit synchronous play command,
Step 3, when the rewind in opening audio video synchronization and browsing or fast-forward functionality, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is browsed the order of module transmission synchronous browsing to corresponding video playback, described video playback is browsed module and is carried out the reading of leap n frame and decoding for the pending video data stored in video data access module, and according to the synchronous browsing order that described networking command data transmission module sends, every two field picture is carried out exporting and showing, circulation performs this step can realize browsing continuously for video, until described networking command data transmission module receives exit synchronous browsing order,
Step 4, when opening audio video synchronization editting function, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is sent synchro edit order to corresponding video editing module, and the synchro edit order of local user is sent to other subsystem by network, the synchro edit order that described video editing module sends according to described networking command data transmission module carries out editing and processing for the pending video data stored in described video data access module, and the video after editing and processing is sent in described video data access module stores, this step of circulation execution can realize the editor for video, until described networking command data transmission module receives exit synchro edit order.
According to technique scheme, the present invention has following beneficial effect:
1. the present invention plays display field at multi-projector video fusion field and 3D and can be used for the video in synchronous same video source and different video source, and to accomplish that strict frame level is synchronous, make whole video playback smooth, scene switches consistent, there will not be flickering.
2. utilize the present invention, Video post-processing staff can give full play to team collaboration's spirit, carries out high efficiency Video processing.
Accompanying drawing explanation
Fig. 1 is that distributed video of the present invention synchronously plays the structural representation browsing editing system.
Fig. 2 is that distributed video of the present invention synchronously plays the flow chart browsing edit methods.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
According to an aspect of the present invention, propose a kind of distributed video synchronously to play and browse editing system, Fig. 1 is that distributed video of the present invention synchronously plays the structural representation browsing editing system, as shown in Figure 1, described distributed video is synchronously play and is browsed editing system and comprise: multiple distributed video is synchronously play and browsed editor's subsystem and the network equipment, wherein:
Described multiple distributed video is synchronously play and is browsed editor's subsystem and undertaken interconnected by the network equipment, and to utilize, the mode of network service realizes the transmission of video data, inter-frame synchronization is play, browse, edition function;
Each distributed video synchronously play browse editor subsystem include: routing device, networking command data transmission module, video playback browse module, video editing module and video data access module, wherein:
Described routing device is connected with described networking command data transmission module, browses that editor's subsystem transmits video data and broadcasting, browses, the vision operation order etc. such as editor for playing to the audio video synchronization being in Different Logic network;
Described networking command data transmission module is browsed module, video editing module and video data access module respectively and is connected, for being carried out the transmission of video data and video frame synchronization order by various procotol with described video playback;
Wherein, the transmission of described video data at least comprises: by the pending video data of network reception, and playing described pending video data, browse, before the operation such as editor, be transferred in described video data access module and store.
Wherein, the transmission of described video frame synchronization order at least comprises: by the audio video synchronization order of other subsystem of network reception, browse module and the order of video editing module transmission audio video synchronization to described video playback, and the Video processing order of local user is sent to other subsystem by network.
Wherein, described audio video synchronization order at least comprises the orders such as synchronous play command, synchronous browsing order, synchro edit order.
Described video playback is browsed module and is connected with described video data access module, for being carried out transmission and the reception of audio video synchronization order by corresponding networking command data transmission module, and strictly realize the synchronous broadcasting of video according to described audio video synchronization order and browse;
Wherein, described audio video synchronization order at least comprises the audio video synchronization order of described networking command data transmission module transmission and the associated video synch command of local user.
Wherein, described synchronous broadcasting and browsing at least comprise pending video carried out playing, suspend, F.F., the operation such as rewind.
Wherein, when synchronous displaying video, described video playback is browsed module and is read frame by frame for the pending video data stored in described video data access module and decode, and every two field picture is carried out exporting and showing, to realize the Continuous Play for video according to the synch command that described networking command data transmission module sends.
When synchronous browsing video, described video playback is browsed module and is carried out the reading of leap n frame and decoding for the pending video data stored in described video data access module, and every two field picture is carried out exporting and showing, to realize browsing continuously for video according to the synch command that described networking command data transmission module sends.
Wherein, described synchronous browsing video at least comprises rewind or F.F. browsing video, and the step-length of rewind or F.F. browsing video is n frame.
Described video editing module is connected with described video data access module, for when synchro edit video, the synch command sent according to described networking command data transmission module and/or the video editing order of local user carry out editing and processing for the pending video data stored in described video data access module, and by the video storage after editing and processing in described video data access module.
Wherein, described synchro edit order at least comprises the edit commands from other subsystem, the such as overall situation or the adjustment of local luminance colourity, the video overall situation or part filter process, add the order such as picture, arbitrary shape (drawing various geometry in the video frame) in frame of video, and the edit commands of local user, such as brightness adjustment, filtering process, order such as interpolation picture, arbitrary shape etc.
Described video data access module with described networking command data transmission module, video playback browses module and video editing module is connected, for preserving pending video data and process rear video data.
According to a further aspect in the invention, also propose a kind of distributed video synchronously to play and browse edit methods, Fig. 2 is that distributed video of the present invention synchronously plays the flow chart browsing edit methods, and as shown in Figure 2, described distributed video is synchronously play and browsed edit methods and comprise the following steps:
Step 1, playing pending video, browse, before the operation such as editor, first synchronously playing by each distributed video the networking command data transmission module browsed in editor's subsystem stores pending transmission of video in each video data access module;
Step 2, when opening audio video synchronization playing function, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is browsed module to corresponding video playback and send synchronous play command, described video playback is browsed module and is read frame by frame for the pending video data stored in video data access module, decoding, and carry out exporting and showing in every two field picture according to the synchronous play command received, this step of circulation execution can realize the Continuous Play for video, until described networking command data transmission module receives exit synchronous play command,
Step 3, when the rewind in opening audio video synchronization and browsing or fast-forward functionality, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is browsed the order of module transmission synchronous browsing to corresponding video playback, described video playback is browsed module and is carried out the reading of leap n frame and decoding for the pending video data stored in video data access module, and according to the synchronous browsing order that described networking command data transmission module sends, every two field picture is carried out exporting and showing, circulation performs this step can realize browsing continuously for video, until described networking command data transmission module receives exit synchronous browsing order,
Step 4, when opening audio video synchronization editting function, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is sent synchro edit order to corresponding video editing module, and the synchro edit order of local user is sent to other subsystem by network, the synchro edit order that described video editing module sends according to described networking command data transmission module carries out editing and processing for the pending video data stored in described video data access module, and the video after editing and processing is sent in described video data access module stores, this step of circulation execution can realize the editor for video, until described networking command data transmission module receives exit synchro edit order.
Wherein, described synchro edit order at least comprises the edit commands from other subsystem, such as brightness adjustment, filtering process, add the edit commands of the order such as picture, arbitrary shape and local user, such as brightness adjustment, filtering process, add the order such as picture, arbitrary shape.
In the implementation process of reality, first can perform step 1, step 2 ~ 4 belong to independent process, do not have fixing execution order, user can according to oneself reality need arrange execution sequence.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. distributed video is synchronously play and is browsed an editing system, it is characterized in that, this system comprises: multiple distributed video is synchronously play and browsed editor's subsystem and the network equipment, wherein:
Described multiple distributed video synchronously play browse editor subsystem undertaken interconnected by the network equipment;
Each distributed video synchronously play browse editor subsystem include: routing device, networking command data transmission module, video playback browse module, video editing module and video data access module, wherein:
Described routing device is connected with described networking command data transmission module, browses editor's subsystem transmission video data and vision operation order for playing to the audio video synchronization being in Different Logic network;
Described networking command data transmission module is browsed module, video editing module and video data access module respectively and is connected, for being carried out the transmission of video data and video frame synchronization order by various procotol with described video playback;
Described video playback is browsed module and is connected with described video data access module, for being carried out transmission and the reception of audio video synchronization order by corresponding networking command data transmission module, and strictly realize the synchronous broadcasting of video according to described audio video synchronization order and browse;
Described video editing module is connected with described video data access module, for when synchro edit video, the synch command sent according to described networking command data transmission module and/or the video editing order of local user carry out editing and processing for the pending video data stored in described video data access module, and by the video storage after editing and processing in described video data access module;
Described video data access module with described networking command data transmission module, video playback browses module and video editing module is connected, for preserving pending video data and process rear video data.
2. system according to claim 1, it is characterized in that, the transmission of described video data at least comprises: by the pending video data of network reception, and before operating described pending video data, is transferred in described video data access module and stores.
3. system according to claim 1, it is characterized in that, in described networking command data transmission module, the transmission of described video frame synchronization order at least comprises: by the audio video synchronization order of other subsystem of network reception, browse module and the order of video editing module transmission audio video synchronization to described video playback, and the Video processing order of local user is sent to other subsystem by network.
4. system according to claim 3, is characterized in that, described audio video synchronization order at least comprises synchronous play command, synchronous browsing order, synchro edit order.
5. system according to claim 1, it is characterized in that, browse in module in described video playback, described audio video synchronization order at least comprises the audio video synchronization order of described networking command data transmission module transmission and the associated video synch command of local user.
6. system according to claim 1, is characterized in that, browses in module in described video playback, described synchronous broadcasting and browsing at least comprise pending video carried out playing, suspend, F.F., fast reverse operation.
7. system according to claim 1, it is characterized in that, when synchronous displaying video, described video playback is browsed module and is read frame by frame for the pending video data stored in described video data access module and decode, and every two field picture is carried out exporting and showing, to realize the Continuous Play for video according to the synch command that described networking command data transmission module sends;
When synchronous browsing video, described video playback is browsed module and is carried out the reading of leap n frame and decoding for the pending video data stored in described video data access module, and every two field picture is carried out exporting and showing, to realize browsing continuously for video according to the synch command that described networking command data transmission module sends.
8. system according to claim 7, is characterized in that, described synchronous browsing video at least comprises rewind or F.F. browsing video, and the step-length of rewind or F.F. browsing video is n frame.
9. system according to claim 1, is characterized in that, described synchro edit order at least comprises the edit commands from other subsystem, and the edit commands of local user.
10. distributed video is synchronously play and is browsed an edit methods, it is characterized in that, the method comprises the following steps:
Step 1, before operating pending video, synchronously plays by each distributed video the networking command data transmission module browsed in editor's subsystem and is stored in each video data access module by pending transmission of video;
Step 2, when opening audio video synchronization playing function, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is browsed module to corresponding video playback and send synchronous play command, described video playback is browsed module and is read frame by frame for the pending video data stored in video data access module, decoding, and carry out exporting and showing in every two field picture according to the synchronous play command received, this step of circulation execution can realize the Continuous Play for video, until described networking command data transmission module receives exit synchronous play command,
Step 3, when the rewind in opening audio video synchronization and browsing or fast-forward functionality, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is browsed the order of module transmission synchronous browsing to corresponding video playback, described video playback is browsed module and is carried out the reading of leap n frame and decoding for the pending video data stored in video data access module, and according to the synchronous browsing order that described networking command data transmission module sends, every two field picture is carried out exporting and showing, circulation performs this step can realize browsing continuously for video, until described networking command data transmission module receives exit synchronous browsing order,
Step 4, when opening audio video synchronization editting function, each distributed video is synchronously play the networking command data transmission module browsed in editor's subsystem and is sent synchro edit order to corresponding video editing module, and the synchro edit order of local user is sent to other subsystem by network, the synchro edit order that described video editing module sends according to described networking command data transmission module carries out editing and processing for the pending video data stored in described video data access module, and the video after editing and processing is sent in described video data access module stores, this step of circulation execution can realize the editor for video, until described networking command data transmission module receives exit synchro edit order.
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