CN109640146A - The preview of distributed multi-user audio video synchronization, broadcasting, editing system and method - Google Patents
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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
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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]
- H04N21/20—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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
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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]
- H04N21/20—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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/23805—Controlling the feeding rate to the network, e.g. by controlling the video pump
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2743—Video hosting of uploaded data from client
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
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- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of distributed multi-user audio video synchronization preview, broadcasting and editing system and method, which includes multiple audio video synchronization previews, broadcasting, editor's subsystem and the network equipment, server；Multiple audio video synchronization previews, broadcasting, editor's subsystem are based on fast wireless network and are interconnected by the network equipment and server.The present invention is based on fast wireless network technologies, realize being played simultaneously and editing for distributed multi-user video, improve video distribution formula producing efficiency, improve video-splicing bandwagon effect, the user experience is improved.
Description
Technical field
The present invention relates to audio video synchronization preview, broadcasting and editing technique fields, and in particular to a kind of distributed multi-user view
Frequency synchronous preview, broadcasting and editing system and method.
Background technique
Fast wireless network can achieve tens of Gb/s very as future mobile communications network, peak value theoretical transmission speed
To higher, this is hundreds times faster than the data transmission bauds of traditional 4G network, therefore fast wireless network has more wide answer
Use prospect.
Currently in multiuser distributed broadcasting video, it can only support to play a video source on single terminal end, be related to
When video source same to multiple terminal plays, since each user terminal performance difference, system clock are asynchronous, same view will lead to
Difference of the frequency on broadcasting speed, played on the screen of different user terminals it is asynchronous, especially in multiple terminal displays
When tiled display, the asynchronous of broadcasting but will cause video pictures entanglement, the unacceptable problem of user.Also, currently more
When user distribution formula editor's video, it is difficult to accomplish simultaneously in a distributed manner to handle the same video source, this is to large-scale view
The treatment effeciency of frequency editing produces very big influence.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of distributed multi-user audio video synchronization preview, broadcasting and editing systems
And method realizes being played simultaneously and editing for distributed multi-user video on the basis of being based on fast wireless network technology,
All there is application well, convenient for improving video in the field that editing early period of video-splicing and video-splicing play
Distributed producing efficiency improves video-splicing bandwagon effect.
It include: more the present invention provides a kind of distributed multi-user audio video synchronization preview, broadcasting and editing system, the system
A audio video synchronization preview, broadcasting, editor's subsystem and the network equipment, server；Multiple audio video synchronization previews, broadcasting, Bian Jizi
System is based on fast wireless network and is interconnected by the network equipment and server；Each audio video synchronization preview, broadcasting, Bian Jizi
System includes: audio video synchronization previewing module, audio video synchronization playing module, audio video synchronization editor module, local video data storage
Module and fast wireless network communication module；Wherein, fast wireless network communication module is for realizing real between the network equipment
Existing fast wireless network communicates and realizes that D2D is communicated between other audio video synchronization previews, broadcasting, editor's subsystem；Wherein,
Audio video synchronization previewing module is connect with video data memory module, for realizing video by receiving audio video synchronization instruction for previewing
Synchronous preview, audio video synchronization previewing module reads corresponding preview video data from video data memory module, to user
Show preview video data；Audio video synchronization playing module is connect with video data memory module, for by receiving audio video synchronization
Play instruction, realizes being played simultaneously for video, and audio video synchronization playing module reads corresponding original from video data memory module
Beginning video data shows original video data to user；Audio video synchronization editor module is connect with video data memory module, is used for
By receiving audio video synchronization edit instruction, realize that the synchro edit of video, audio video synchronization editor module include local video editor
Module is submitted in module, video editing, wherein local video editor module, it will be corresponding original in audio video synchronization edit instruction
Video version is cloned into local from server end, is edited to original video in local, is modified, by updated video data
Local video data memory module is stored, video editing is submitted module, will be stored in local video data memory module
Corresponding video data are submitted to the video data merging module of server；Local video data memory module is original for saving
Video data and preview video data；Video data memory module includes intermediate format conversion module, intermediate format conversion module,
The original video data saved in video data memory module is formatted, is obtained default in original video data
The time point of time interval obtains forward and backward each at least 6 seconds to 10 seconds video requency frame datas corresponding to All Time point, will be every
Video requency frame data corresponding to a time point generates continuous picture formal file by way of Flash, by All Time point
Continuous picture formal file synthesizes a continuous picture formal file, regards as the preview after intermediate format conversion
Frequency is according to being stored；
Server includes server end video data memory module, stores video in server end video data memory module
Data and relevant information, relevant information include video data ID, video data version, video data duration, and video data is big
It is small；Server further includes video data merging module, video data merging module, the video data that analysis subsystems are submitted
With the ID and version information of the corresponding video data stored in server end video data memory module, when subsystems submit
Video data modification there is no conflict when, the video data of submission is saved as into new version, is stored；Work as subsystems
When the video data modification of submission has conflict, judge the video data of subsystem submission whether in same original video data
Same frame modify, when being modified to same frame, by subsystems submit video data merge,
When being modified to same frame, by the collision feedback to subsystems, prompts user to modify conflict, remodify.
Preferably, during the time point for obtaining the prefixed time interval in original video data, according to original video number
According to the difference of total duration, prefixed time interval can be set to 30 seconds, 1 minute or 2 minutes.
Preferably, the preview video data after format is converted are lower than original video data resolution ratio, enable video
Enough high compressions are to save bandwidth.
Preferably, audio video synchronization, which plays, includes at least rewind or F.F. browsing video.
Preferably, audio video synchronization edit instruction includes at least the synchro edit instruction from other subsystems, and local
The synchro edit of user instructs.
The present invention also proposes a kind of based on above-mentioned distributed multi-user audio video synchronization preview, broadcasting and editing system, realization
The preview of distributed multi-user audio video synchronization, broadcasting and edit methods, method includes the following steps:
Step 1, before being operated to video to be processed, by fast wireless network by transmission of video to be processed to respectively
Audio video synchronization preview, is edited in subsystem at broadcasting, and local video data memory module therein is arrived in storage；
Step 2, after user selects audio video synchronization playing function, each audio video synchronization preview, broadcasting, editor's subsystem are to local
The video data stored in video data memory module is read frame by frame, is decoded, is shown, is broadcast until receiving and exiting audio video synchronization
Put instruction；
Step 3, after user selects the rewind or fast-forward functionality in audio video synchronization preview function, each audio video synchronization preview,
It plays, editor's subsystem is read out the preview video data stored in local video data memory module, display, up to receiving
It is instructed to synchronous preview is exited；
Step 4, after user selects synchro edit function, by original video version corresponding in audio video synchronization edit instruction
This from server end is cloned into local, is edited to original video in local, is modified, updated video data storage is arrived
Module, the corresponding view that will be stored in local video data memory module are submitted in local video data memory module, video editing
Frequency is according to the video data merging module for being submitted to server；Synchro edit instruction is exited until receiving.
Preferably, the preview video data after format is converted are lower than original video data resolution ratio, enable video
Enough high compressions are to save bandwidth.
Preferably, audio video synchronization, which plays, includes at least rewind or F.F. browsing video.
Preferably, the step-length of rewind or F.F. browsing video is n frame.
Preferably, audio video synchronization edit instruction includes at least the synchro edit instruction from other subsystems, and local
The synchro edit of user instructs.
Compared with prior art, the present invention having the advantage that on the basis of based on fast wireless network technology, realize
Distributed multi-user video being played simultaneously and editing, and plays in editing early period of video-splicing and video-splicing
All there is application well in field, convenient for improving video distribution formula producing efficiency, improve video-splicing bandwagon effect, improve
User experience.
Detailed description of the invention
Fig. 1 is a kind of distributed multi-user audio video synchronization preview, broadcasting and editing system disclosed by the invention；
Fig. 2 is a kind of distributed multi-user audio video synchronization preview, broadcasting and edit methods disclosed by the invention.
Specific embodiment
Detailed description of specific embodiments of the present invention with reference to the accompanying drawing.
As shown in Figure 1, the present invention proposes a kind of distributed multi-user audio video synchronization preview, broadcasting and editing system, this is
System includes: multiple audio video synchronization previews, broadcasting, editor's subsystem and the network equipment, server；Multiple audio video synchronization previews are broadcast
Put, edit subsystem be based on fast wireless network be interconnected by the network equipment and server；Each audio video synchronization preview is broadcast
Putting, editing subsystem includes: audio video synchronization previewing module, audio video synchronization playing module, audio video synchronization editor module, local video
Data memory module and fast wireless network communication module；Wherein, fast wireless network communication module sets for realizing with network
Fast wireless network communication is realized between standby and realizes that D2D is logical between other audio video synchronization previews, broadcasting, editor's subsystem
Letter；Wherein, audio video synchronization previewing module is connect with video data memory module, receives audio video synchronization instruction for previewing for passing through,
Realize the synchronous preview of video, audio video synchronization previewing module reads corresponding preview video number from video data memory module
According to user's displaying preview video data；Audio video synchronization playing module is connect with video data memory module, is received for passing through
Audio video synchronization play instruction, realizes being played simultaneously for video, and audio video synchronization playing module is read from video data memory module
Corresponding original video data shows original video data to user；Audio video synchronization editor module and video data memory module
Connection, for realizing that the synchro edit of video, audio video synchronization editor module include local by receiving audio video synchronization edit instruction
Module is submitted in video editing module, video editing, wherein local video editor module, institute in audio video synchronization edit instruction is right
The original video version answered is cloned into local from server end, is edited to original video in local, is modified, will be updated
To local video data memory module, module is submitted in video editing for video data storage, will be stored in local video data storage
Corresponding video data in module are submitted to the video data merging module of server；Local video data memory module, is used for
Save original video data and preview video data；Video data memory module includes intermediate format conversion module, intermediate form
Conversion module formats the original video data saved in video data memory module, obtains original video number
The time point of prefixed time interval in obtains forward and backward each at least 6 seconds to 10 seconds video frames corresponding to All Time point
Video requency frame data corresponding to each time point is generated continuous picture formal file by data by way of Flash, will be whole
The continuous picture formal file at time point synthesizes a continuous picture formal file, as after intermediate format conversion
Preview video data stored；
Server includes server end video data memory module, stores video in server end video data memory module
Data and relevant information, relevant information include video data ID, video data version, video data duration, and video data is big
It is small；Server further includes video data merging module, video data merging module, the video data that analysis subsystems are submitted
With the ID and version information of the corresponding video data stored in server end video data memory module, when subsystems submit
Video data modification there is no conflict when, the video data of submission is saved as into new version, is stored；Work as subsystems
When the video data modification of submission has conflict, judge the video data of subsystem submission whether in same original video data
Same frame modify, when being modified to same frame, by subsystems submit video data merge,
When being modified to same frame, by the collision feedback to subsystems, prompts user to modify conflict, remodify.
Preferably, during the time point for obtaining the prefixed time interval in original video data, according to original video number
According to the difference of total duration, prefixed time interval can be set to 30 seconds, 1 minute or 2 minutes.
Preferably, the preview video data after format is converted are lower than original video data resolution ratio, enable video
Enough high compressions are to save bandwidth.
Preferably, audio video synchronization, which plays, includes at least rewind or F.F. browsing video.
Preferably, audio video synchronization edit instruction includes at least the synchro edit instruction from other subsystems, and local
The synchro edit of user instructs.
Preferably, the fast wireless network can be the fast wireless networks such as 4G, 5G.
As shown in Fig. 2, the present invention also proposes one kind based on above-mentioned distributed multi-user audio video synchronization preview, broadcasting and editor
System, the preview of distributed multi-user audio video synchronization, broadcasting and the edit methods of realization, method includes the following steps:
Step 1, before being operated to video to be processed, by fast wireless network by transmission of video to be processed to respectively
Audio video synchronization preview, is edited in subsystem at broadcasting, and local video data memory module therein is arrived in storage；
Step 2, after user selects audio video synchronization playing function, each audio video synchronization preview, broadcasting, editor's subsystem are to local
The video data stored in video data memory module is read frame by frame, is decoded, is shown, is broadcast until receiving and exiting audio video synchronization
Put instruction；
Step 3, after user selects the rewind or fast-forward functionality in audio video synchronization preview function, each audio video synchronization preview,
It plays, editor's subsystem is read out the preview video data stored in local video data memory module, display, up to receiving
It is instructed to synchronous preview is exited；
Step 4, after user selects synchro edit function, by original video version corresponding in audio video synchronization edit instruction
This from server end is cloned into local, is edited to original video in local, is modified, updated video data storage is arrived
Module, the corresponding view that will be stored in local video data memory module are submitted in local video data memory module, video editing
Frequency is according to the video data merging module for being submitted to server；Synchro edit instruction is exited until receiving.
Preferably, the preview video data after format is converted are lower than original video data resolution ratio, enable video
Enough high compressions are to save bandwidth.
Preferably, audio video synchronization, which plays, includes at least rewind or F.F. browsing video.
Preferably, the step-length of rewind or F.F. browsing video is n frame.
Preferably, audio video synchronization edit instruction includes at least the synchro edit instruction from other subsystems, and local
The synchro edit of user instructs.
Compared with prior art, the present invention having the advantage that on the basis of based on fast wireless network technology, realize
Distributed multi-user video being played simultaneously and editing, and plays in editing early period of video-splicing and video-splicing
All there is application well in field, convenient for improving video distribution formula producing efficiency, improve video-splicing bandwagon effect, improve
User experience.
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Various change out.
Claims (10)
1. a kind of distributed multi-user audio video synchronization preview, broadcasting and editing system, which includes: that multiple audio video synchronizations are pre-
It lookes at, play, editing subsystem and the network equipment, server；Multiple audio video synchronization previews, broadcasting, editor's subsystem are based on high speed
Wireless network is interconnected by the network equipment and server；Each audio video synchronization preview, broadcasting, editor's subsystem include: view
Frequency synchronous preview module, audio video synchronization playing module, audio video synchronization editor module, local video data memory module and high speed nothing
Line network communication module；Wherein, fast wireless network communication module is for realizing realizing high speed wireless net between the network equipment
Network communicates and realizes that D2D is communicated between other audio video synchronization previews, broadcasting, editor's subsystem；Wherein, audio video synchronization preview
Module is connect with video data memory module, for realizing the synchronous preview of video by reception audio video synchronization instruction for previewing, depending on
Frequency synchronous preview module reads corresponding preview video data from video data memory module, shows preview video number to user
According to；Audio video synchronization playing module is connect with video data memory module, for realizing view by receiving audio video synchronization play instruction
Frequency is played simultaneously, and audio video synchronization playing module reads corresponding original video data, Xiang Yong from video data memory module
Family shows original video data；Audio video synchronization editor module is connect with video data memory module, for same by receiving video
Edit instruction is walked, realizes that the synchro edit of video, audio video synchronization editor module include local video editor module, video editing mentions
Hand over module, wherein local video editor module, by original video version corresponding in audio video synchronization edit instruction from server
End is cloned into local, is edited to original video in local, is modified, by updated video data storage to local video number
According to memory module, module is submitted in video editing, and the corresponding video data being stored in local video data memory module are submitted
To the video data merging module of server；Local video data memory module, for saving original video data and preview view
Frequency evidence；Video data memory module includes intermediate format conversion module, and intermediate format conversion module stores mould to video data
The original video data saved in block formats, and obtains the time of the prefixed time interval in original video data
Point obtains forward and backward each at least 6 seconds to 10 seconds video requency frame datas corresponding to All Time point, will be corresponding to each time point
Video requency frame data continuous picture formal file is generated by way of Flash, by the continuous picture form text of All Time point
Part synthesizes a continuous picture formal file, is deposited as the preview video data after intermediate format conversion
Storage；
Server includes server end video data memory module, stores video data in server end video data memory module
And relevant information, relevant information include video data ID, video data version, video data duration, video data size；Clothes
Business device further includes video data merging module, video data merging module, the video data and clothes that analysis subsystems are submitted
The ID and version information of the corresponding video data stored in business device end video data memory module, when the view that subsystems are submitted
The video data of submission is saved as new version, is stored by frequency data modification there is no when conflict；When subsystems are submitted
Video data modification exist conflict when, judge subsystem submit video data whether to same in same original video data
One frame is modified, and when being modified to same frame, the video data that subsystems are submitted is merged, when being
When modifying to same frame, by the collision feedback to subsystems, prompts user to modify conflict, remodify.
2. system according to claim 1, which is characterized in that obtain original video data in prefixed time interval when
Between in point process, according to the difference of original video data total duration, prefixed time interval can be set to 30 seconds, 1 minute or 2
Minute.
3. system according to claim 2, which is characterized in that the preview video data after format is converted are than original view
Frequency data resolution is low, enables video high compression to save bandwidth.
4. system according to claim 3, which is characterized in that audio video synchronization, which plays, includes at least rewind or F.F. browsing view
Frequently.
5. system according to claim 4, which is characterized in that audio video synchronization edit instruction, which includes at least, comes from other subsystems
The synchro edit of system instructs and the instruction of the synchro edit of local user.
6. a kind of preview of distributed multi-user audio video synchronization, broadcasting and editing system according to claim 1-5,
The preview of distributed multi-user audio video synchronization, broadcasting and the edit methods of realization, method includes the following steps:
Step 1, before being operated to video to be processed, by fast wireless network by transmission of video to be processed to each video
Synchronous preview, is edited in subsystem at broadcasting, and local video data memory module therein is arrived in storage；
Step 2, after user selects audio video synchronization playing function, each audio video synchronization preview, broadcasting, editor's subsystem are to local video
The video data stored in data memory module is read frame by frame, is decoded, is shown, is referred to until receiving and exiting audio video synchronization broadcasting
It enables；
Step 3, when user select audio video synchronization preview function in rewind or fast-forward functionality after, each audio video synchronization preview, broadcasting,
Editor's subsystem is read out the preview video data stored in local video data memory module, shows, moves back until receiving
Synchronous preview instructs out；
Step 4, after user selects synchro edit function, by original video version corresponding in audio video synchronization edit instruction from
Server end is cloned into local, is edited to original video in local, is modified, by updated video data storage to local
Module, the corresponding video number that will be stored in local video data memory module are submitted in video data memory module, video editing
According to the video data merging module for being submitted to server；Synchro edit instruction is exited until receiving.
7. according to the method described in claim 6, it is characterized in that, depending on the preview video data after format is converted than original
Video data resolution is low, enables video high compression to save bandwidth.
8. the method according to the description of claim 7 is characterized in that audio video synchronization, which plays, includes at least rewind or F.F. browsing view
Frequently.
9. according to the method described in claim 8, it is characterized in that, the step-length of rewind or F.F. browsing video is n frame.
10. according to the method described in claim 9, it is characterized in that, audio video synchronization edit instruction, which includes at least, comes from other sons
The synchro edit of system instructs and the instruction of the synchro edit of local user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811617384.6A CN109640146A (en) | 2018-12-28 | 2018-12-28 | The preview of distributed multi-user audio video synchronization, broadcasting, editing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811617384.6A CN109640146A (en) | 2018-12-28 | 2018-12-28 | The preview of distributed multi-user audio video synchronization, broadcasting, editing system and method |
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| CN110971840A (en) * | 2019-12-06 | 2020-04-07 | 广州酷狗计算机科技有限公司 | Video mapping method and device, computer equipment and storage medium |
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