CN106210881A - Audio/video processing method based on Qt environment and device and client - Google Patents
Audio/video processing method based on Qt environment and device and client Download PDFInfo
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- CN106210881A CN106210881A CN201610534984.0A CN201610534984A CN106210881A CN 106210881 A CN106210881 A CN 106210881A CN 201610534984 A CN201610534984 A CN 201610534984A CN 106210881 A CN106210881 A CN 106210881A
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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, rendering scenes according to MPEG-4 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, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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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
Embodiments providing a kind of audio/video processing method based on Qt environment and device and client, the method includes: when needing the audio, video data reading high in the clouds, sends the high in the clouds address information of the audio, video data needing reading；Server according to described high in the clouds address information Yu high in the clouds carries out network service to read target sound video data stream；The described target sound video data stream read is copied to local internal memory；Described target sound video data stream in described local internal memory is carried out editing and processing.The present invention is by needing the audio and video data streams read directly to be transferred to this locality from network, and without locally downloading, and in internal memory editing and processing, thus improve the acquisition efficiency of audio and video data streams, and video editing be not limited by a space, edit material abundant species.
Description
Technical field
The present invention relates to audio frequency and video processing technology field, particularly relate to a kind of audio/video processing method based on Qt environment
With device and client.
Background technology
At present, when the TV programme in broadcasting and TV field, news, advertisement, later stage etc. are carried out video editing, editor used puts down
Platform is the client being specifically designed to video editing, and video editing material used is also stored in special client (PC)
Or in intra-sharing storage.
Concrete video editing scheme is: by being specifically designed in the client of video editing use for video system at this
Make the software for editing of (such as program making) and download above-mentioned video editing material to local disk, and to this in local disk
Video entities file carries out editor and the making of video.
As can be seen here, this video editing processing scheme of the prior art, when carrying out program making, needs specially
Machine room carry out editing saving, therefore, it all receives the biggest space limit in the storage of editor's material and the editor of video
System；And, the video material used by this video editing processing scheme of the prior art is stored in special depositing the most regularly
Storage equipment or PC end, then, when obtaining video editing material, then need to obtain from this locality with file mode, it is clear that also exist
Data acquisition efficiency is low, data resource is limited, is unfavorable for the problem that video is quickly edited.
Therefore, a technical problem that those skilled in the art urgently solve is presently required exactly: how to realize video
Networking is edited thus is overcome the space of video editing to limit, and provides the user efficiently and edit the video editing that material is various
Scheme, to meet user's video editing demand anywhere or anytime.
Summary of the invention
Embodiment of the present invention technical problem to be solved be to provide a kind of audio/video processing method based on Qt environment and
Device and client, to solve the space of video editing and limit, editor's material kind is few, material obtaining is inefficient asks for editor
Topic.
In order to solve the problems referred to above, according to an aspect of the present invention, the invention discloses a kind of sound based on Qt environment
Method for processing video frequency, including:
When needing the audio, video data reading high in the clouds, send the high in the clouds address information of the audio, video data needing reading；
Server according to described high in the clouds address information Yu high in the clouds carries out network service to read target sound video data stream；
The described target sound video data stream read is copied to local internal memory；
Described target sound video data stream in described local internal memory is carried out editing and processing.
According to a further aspect in the invention, the invention also discloses a kind of audio frequency and video processing means based on Qt environment, bag
Include:
Sending module, for when needing the audio, video data reading high in the clouds, sends the audio, video data of needs reading
High in the clouds address information；
First read module, for according to described high in the clouds address information, carrying out network service to read with the server in high in the clouds
Take target sound video data stream；
Replication module, for being copied to local internal memory by the described target sound video data stream read；
First editor module, for carrying out editing and processing to the described target sound video data stream in described local internal memory.
According to another aspect of the invention, the invention also discloses a kind of client, including above-mentioned sound based on Qt environment
Video process apparatus.
Compared with prior art, the embodiment of the present invention includes advantages below:
The embodiment of the present invention can need the audio and video data streams read directly to be transferred to this locality from network, and without downloading
To this locality, and editing and processing in internal memory, thus improve the acquisition efficiency of audio and video data streams, and video editing is not subject to
Space limits, editor's material abundant species.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of a kind of based on Qt environment the audio/video processing method embodiment of the present invention；
Fig. 2 is the structured flowchart of a kind of based on Qt environment the audio frequency and video processing means embodiment of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
With reference to Fig. 1, it is shown that the steps flow chart of a kind of based on Qt environment the audio/video processing method embodiment of the present invention
Figure, specifically may include steps of:
Step 101, when needing the audio, video data reading high in the clouds, sends the ground, high in the clouds of the audio, video data needing reading
Location information；
Step 103, carries out network service according to the server of described high in the clouds address information with high in the clouds and regards to read target sound
Frequency data stream；
Step 105, is copied to local internal memory by the described target sound video data stream read；
Step 107, carries out editing and processing to the described target sound video data stream in described local internal memory.
By means of the technical scheme of the above embodiment of the present invention, the embodiment of the present invention can need the audio, video data read
Stream is directly transferred to this locality from network, and without locally downloading, and editing and processing in internal memory, thus improve audio frequency and video number
According to the acquisition efficiency of stream, and video editing is not limited by a space, edits material abundant species.
In order to be better understood from the technique scheme of the embodiment of the present invention, come the present invention below in conjunction with an instantiation
Technique scheme be described in detail.
Along with video file format propagation such as commonly using of network, many substantial amounts of WMV, RM, RMVB, FLV and MOV
Dynamic image, including all kinds of movie and video programs, news, advertisement, FLASH animation, auto heterodyne DV, chat video, game video, monitoring
The various video resource of video etc. can be deposited on the server, facilitates the staff such as creator, audit crew not
Same place, accesses identical material and creates and work.Video editing software is as the professional software processing video, it is possible to
The video file accessing server becomes the critical function in software.
The embodiment of the present invention proposes a kind of audio/video processing method based on Qt programmed environment.Wherein, Qt as one across
The C++ graphic user interface storehouse of platform, supports the platforms such as Unix, Linux, Windows, Symbian, WinCE, its powerful merit
And mode can be convenient to use, it is adaptable to exploitation Video editing software.In Video editing software, for the process of cloud video,
Owing to video file stores beyond the clouds, video file can not directly be conducted interviews and processes, so needing deployment to regard beyond the clouds
Frequency reads server, and this server is only used for the reading of video, does not carries out the process of video data, concrete place's reason video editing
Software completes.
Needing inside Video editing software to make a distinction video is local file, or cloud video file, is local literary composition
Part then directly from hard disk reading video data, carries out Video processing；If during cloud video data, then being regarded from server end
Respective handling is carried out again after frequency evidence.
In the present embodiment, the major technique of the cloud Video processing related to includes: ClipNetworkReader class,
NetworkReaderCustomIO class and CNvfNetworkCustomReceiver class.
Wherein, ClipNetworkReader class is the parts that engine bottom layer treatment video file reads, and needs to read cloud and regards
Frequency according to time, send video data information (including filename, frame number) that bottom needs to network access device class
NetworkReaderCustomIO；
NetworkReaderCustomIO class, needs audiovisual information to be processed receiving, can be by concrete information
Add in event queue, communicate with network, thus obtain video/audio；
CNvfNetworkCustomReceiver class, acquires receiving NetworkReaderCustomIO class
Video/audio copies in corresponding internal memory, carries out video and audio decoding, video and audio process etc. the most again.
The idiographic flow of the audio/video processing method of the embodiment of the present invention is as follows:
First, open or play cloud video file at editing interface, create ClipNetworkReader class；
Wherein, ClipNetworkReader class can call NetworkReaderCustomIO interface
SetFileName function arranges and needs the file path of cloud audio frequency and video that reads (the most described high in the clouds address information, specifically wraps
Include: filename, frame number, file path, data stream ID).That is, when needing the audio, video data reading high in the clouds, send and need to read
The high in the clouds address information of the audio, video data taken；
And, it is also possible to call the ReadData function of NetworkReaderCustomIO interface, arrange and need to read
Concrete audio, video data, i.e. target sound video data stream, it can be data or the audio frequency number of certain frame video pictures concrete
According to.
Then, it is possible to carry out network service to read target sound according to the server of described high in the clouds address information Yu high in the clouds
Video data stream.
Wherein it is possible to described high in the clouds address information is added to event queue, and according to each thing in described event queue
The order of part and the server in described high in the clouds carry out network service to read described target sound video data stream.
Concrete, NetworkReaderCustomIO can realize client and service according to described high in the clouds address information
The network service of end connects, and sends and reads a certain frame video or the signaling of audio frequency.
Then, server end returns target sound video data stream, client-side, can pass through
CNvfNetworkCustomReceiver class copies the target sound video data stream obtained to internal memory, special to carry out video and audio
Skill processes；
Wherein, before carrying out video and audio stunt process, need the described target sound video data stream in described internal memory
It is decoded.
Finally, decoded target sound video data stream can be carried out editing and processing, after editing and processing terminates, permissible
Video effect is shown at editing interface.
Optionally, in another embodiment, regard owing to network reason possibly cannot read target sound from server side
Frequency data stream, then method according to embodiments of the present invention can also include: by the target sound video data stream that do not reads with
The mode of black field is copied to local internal memory, it is to avoid program crashing.
Additionally, in one embodiment, in order to avoid the disconnecting between client and server, real according to the present invention
The method executing example also includes: in the case of client is connected with the described server foundation in high in the clouds, timing sends heart beating instruction.
Additionally, in one embodiment, audio, video data has also been stored due to this locality, then if carrying out video editing
Time, in addition it is also necessary to use local audio, video data, then method according to embodiments of the present invention may also include that and reads this at needs
During ground audio, video data, read target this locality audio, video data by local file at local disk；To described this rock noise of target
Video data carries out editing and processing.
Wherein, above-mentioned audio, video data includes: video data and voice data.
Technical scheme by means of the above embodiment of the present invention, it is possible to cloud video data is directly transferred to client from network
End, and without locally downloading；But just directly can carry out editing and processing internal memory after network transmits, decrease
The edit step of data stream and the time of reading；And, editor's material of server side storage is a lot, it is possible to meet client-side
Any video editing demand；It is additionally, since editor's material and is not stored in local client, so can save the internal memory of client
Space, improves systematic function.It is additionally, since editor's material and is stored in server side, then deposit even if video editor is not positioned at
The client location of storage editor's material, still can obtain a large amount of useful material, for video editing so that the editor of audio frequency and video
Process free from time and space restrictions, improve the motility of audio frequency and video editing and processing.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of action group
Closing, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because depending on
According to the embodiment of the present invention, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should
Knowing, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention implements
Necessary to example.
Corresponding with the method that the invention described above embodiment is provided, with reference to Fig. 2, it is shown that the present invention is a kind of based on Qt ring
The structured flowchart of the audio frequency and video processing means embodiment in border, specifically can include such as lower module:
Sending module 21, for when needing the audio, video data reading high in the clouds, sends the audio, video data needing to read
High in the clouds address information；
First read module 22, for according to described high in the clouds address information, with the server in high in the clouds carry out network service with
Read target sound video data stream；
Replication module 23, for being copied to local internal memory by the described target sound video data stream read；
First editor module 24, for carrying out Editorial Services to the described target sound video data stream in described local internal memory
Reason.
Wherein, in one embodiment, described high in the clouds address information includes: filename, frame number, file path, data stream
ID。
Further, in another embodiment, described first read module 22 includes:
Add submodule (not shown), for adding described high in the clouds address information to event queue；
Described first read module (not shown), is additionally operable to according to the order of each event in described event queue, with institute
The server stating high in the clouds carries out network service to read described target sound video data stream.
Optionally, in one embodiment, device according to embodiments of the present invention also includes:
Decoder module (not shown), for being decoded the described target sound video data stream in described local internal memory.
Optionally, in one embodiment, device according to embodiments of the present invention also includes:
Black field module (not shown), for being copied to this in the way of black field by the target sound video data stream not read
Ground internal memory.
Optionally, in one embodiment, device according to embodiments of the present invention also includes:
Heart beating sending module (not shown), in the case of being connected with the described server foundation in high in the clouds, timing is sent out
Heart beating is sent to instruct.
Optionally, in one embodiment, device according to embodiments of the present invention also includes:
Second read module (not shown), for when needs read local audio, video data, by local file at this
Local disk reads target this locality audio, video data；
Second editor module (not shown), for carrying out editing and processing to described target this locality audio, video data.
Wherein, the described audio, video data in above-described embodiment includes: video data and voice data.
Additionally, In yet another embodiment, the embodiment of the present invention additionally provides a kind of client, and described client includes
State the audio frequency and video processing means described in any one embodiment.
Technical scheme by means of the above embodiment of the present invention, it is possible to cloud video data is directly transferred to client from network
End, and without locally downloading；But just directly can carry out editing and processing internal memory after network transmits, decrease
The edit step of data stream and the time of reading；And, editor's material of server side storage is a lot, it is possible to meet client-side
Any video editing demand；It is additionally, since editor's material and is not stored in local client, so can save the internal memory of client
Space, improves systematic function.It is additionally, since editor's material and is stored in server side, then deposit even if video editor is not positioned at
The client location of storage editor's material, still can obtain a large amount of useful material, for video editing so that the editor of audio frequency and video
Process free from time and space restrictions, improve the motility of audio frequency and video editing and processing.
For device embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant
Part sees the part of embodiment of the method and illustrates.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software implementation or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program implemented.
The embodiment of the present invention is with reference to method, terminal unit (system) and computer program according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions sets to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipment
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
The device of the function specified.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipment
In the computer-readable memory worked in a specific way so that the instruction being stored in this computer-readable memory produces bag
Including the manufacture of command device, this command device realizes in one flow process of flow chart or multiple flow process and/or one side of block diagram
The function specified in frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment so that
On computer or other programmable terminal equipment, execution sequence of operations step is to produce computer implemented process, thus
The instruction performed on computer or other programmable terminal equipment provides for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function specified in one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once knowing base
This creativeness concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to
The all changes including preferred embodiment and falling into range of embodiment of the invention and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only wrap
Include those key elements, but also include other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal unit is intrinsic.In the case of there is no more restriction, by wanting that statement " including ... " limits
Element, it is not excluded that there is also other identical element in including the process of described key element, method, article or terminal unit.
Above to a kind of audio/video processing method based on Qt environment provided by the present invention and a kind of based on Qt environment
Audio frequency and video processing means, and a kind of client is described in detail, former to the present invention of specific case used herein
Reason and embodiment are set forth, and the explanation of above example is only intended to help to understand that the method for the present invention and core thereof are thought
Think；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in specific embodiments and applications
All will change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (17)
1. an audio/video processing method based on Qt environment, it is characterised in that including:
When needing the audio, video data reading high in the clouds, send the high in the clouds address information of the audio, video data needing reading；
Server according to described high in the clouds address information Yu high in the clouds carries out network service to read target sound video data stream；
The described target sound video data stream read is copied to local internal memory；
Described target sound video data stream in described local internal memory is carried out editing and processing.
Method the most according to claim 1, it is characterised in that described high in the clouds address information includes:
Filename, frame number, file path, data stream ID.
Method the most according to claim 1, it is characterised in that the described service according to described high in the clouds address information Yu high in the clouds
Device carries out network service and includes with the step reading target sound video data stream:
Described high in the clouds address information is added to event queue；
Network service is carried out described to read according to the server of the order of each event in described event queue with described high in the clouds
Target sound video data stream.
Method the most according to claim 1, it is characterised in that the described target sound in described local internal memory is regarded described
Before frequency data stream carries out the step of editing and processing, described method also includes:
Described target sound video data stream in described local internal memory is decoded.
Method the most according to claim 1, it is characterised in that described method also includes:
The target sound video data stream not read is copied in the way of black field local internal memory.
Method the most according to claim 1, it is characterised in that described method also includes:
In the case of being connected with the described server foundation in high in the clouds, timing sends heart beating instruction.
Method the most according to claim 1, it is characterised in that described method also includes:
When needs read local audio, video data, read target this locality audio, video data by local file at local disk；
Described target this locality audio, video data is carried out editing and processing.
Method the most as claimed in any of claims 1 to 7, it is characterised in that described audio, video data includes: video
Data and voice data.
9. an audio frequency and video processing means based on Qt environment, it is characterised in that including:
Sending module, for when needing the audio, video data reading high in the clouds, sends the high in the clouds of the audio, video data needing reading
Address information；
First read module, for according to described high in the clouds address information, carries out network service to read mesh with the server in high in the clouds
Mark with phonetic symbols video data stream；
Replication module, for being copied to local internal memory by the described target sound video data stream read；
First editor module, for carrying out editing and processing to the described target sound video data stream in described local internal memory.
Device the most according to claim 9, it is characterised in that described high in the clouds address information includes:
Filename, frame number, file path, data stream ID.
11. devices according to claim 9, it is characterised in that described first read module includes:
Add submodule, for adding described high in the clouds address information to event queue；
Described first read module, is additionally operable to according to the order of each event in described event queue, with the service in described high in the clouds
Device carries out network service to read described target sound video data stream.
12. devices according to claim 9, it is characterised in that described device also includes:
Decoder module, for being decoded the described target sound video data stream in described local internal memory.
13. devices according to claim 9, it is characterised in that described device also includes:
Black field module, for being copied to local internal memory in the way of black field by the target sound video data stream not read.
14. devices according to claim 9, it is characterised in that described device also includes:
Heart beating sending module, in the case of being connected with the described server foundation in high in the clouds, timing sends heart beating instruction.
15. devices according to claim 9, it is characterised in that described device also includes:
Second read module, for when needs read local audio, video data, reading mesh by local file at local disk
Specimen ground audio, video data；
Second editor module, for carrying out editing and processing to described target this locality audio, video data.
16. according to the device described in any one in claim 9 to 7, it is characterised in that described audio, video data includes: regard
Frequency evidence and voice data.
17. 1 kinds of clients, it is characterised in that include that the audio frequency and video as described in any one in claim 9 to 16 process dress
Put.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115134659A (en) * | 2022-06-15 | 2022-09-30 | 阿里巴巴云计算(北京)有限公司 | Video editing and configuring method and device, browser, electronic equipment and storage medium |
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| CN104244023A (en) * | 2014-09-03 | 2014-12-24 | 无锡天脉聚源传媒科技有限公司 | Video cloud editing system and method |
| CN104394477A (en) * | 2014-12-08 | 2015-03-04 | 段然 | Method for achieving online video editing |
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| CN115134659A (en) * | 2022-06-15 | 2022-09-30 | 阿里巴巴云计算(北京)有限公司 | Video editing and configuring method and device, browser, electronic equipment and storage medium |
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