CN107426611A - Multiple-channel output method and system based on video code conversion - Google Patents
Multiple-channel output method and system based on video code conversion Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012800 visualization Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000006978 adaptation Effects 0.000 abstract description 3
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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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
- H04N21/44—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
- H04N21/440218—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 by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- 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, manipulating MPEG-4 scene graphs
- H04N21/23418—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics
-
- 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, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
-
- 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, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234336—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by media transcoding, e.g. video is transformed into a slideshow of still pictures or audio is converted into text
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
Abstract
The invention discloses the multiple-channel output method and system based on video code conversion, on visualization interface arrange parameter and by the relevant parameter instance object of setting into the built-in storage of processor, and heap object is created, instance object is added in internal memory storehouse, and is sorted；Transcoding main thread reads former video and carries out transcoding processing；Video flowing is decomposed, is recombinated video flowing and audio stream according to the parameter of setting according to the video parameter to be transformed read；Video flowing after restructuring and audio stream are merged into new stream medium data, boil down to entity physical file, inverted good instance objects is removed from storehouse and read next.The present invention can produce multichannel simultaneously according to visualization interface setting and tackle in the video of heterogeneous networks distinct device, reduce user's adaptation network and mobile device and carry out manually the time of parameter setting conversion video.
Description
Technical field
The present invention relates to field of computer technology, and in particular to the multiple-channel output method and system based on video code conversion.
Background technology
The output procedure of current transcoding is：Traditional video code conversion towards stream mode, due to the spy of video data itself
Point, the huge and linear storage format of data volume, video transcoding traditional for a long time are all that Data Flow Oriented is carried out
Operation.For its operation principle as a standard converter, input inputs continuous TSC-system signal, while defeated in output end
Go out real-time pal signal.
Technical problem existing for the output of existing transcoding is：The advantages of this mode is can be with real-time or near real-time
Mode export transcoding result, transcoding algorithm is solidificated on board chip, transcoding work substantially is completed by hardware, stability
It is good.But its shortcoming is also it will be apparent that transcoding units are basic for specific source code mode and target code mode, user
The size and additional information of code stream can not be controlled, flexibility is poor.And in order to meet the requirement handled in real time, sometimes must
The quality of some images must be needed to sacrifice.In addition the shortcomings that is exactly this video code conversion based on stream mode, input and output base
This synchronization, it is impossible to carry out code conversion to be faster than real-time speed.
The content of the invention
To solve the shortcomings of the prior art, the invention discloses the multiple-channel output method based on video code conversion and it is
System.The present invention can produce multichannel simultaneously according to visualization interface setting and tackle in the video of heterogeneous networks distinct device, reduce and use
Family adaptation network and mobile device and carry out manually parameter setting conversion video time.
To achieve the above object, concrete scheme of the invention is as follows：
Multiple-channel output method based on video code conversion, comprises the following steps：
The arrange parameter and by the built-in storage of the relevant parameter instance object of setting to processor on visualization interface
In, and heap object is created, instance object is added in internal memory storehouse, and is sorted；
Transcoding main thread reads former video and carries out transcoding processing, video flowing is written in built-in storage temporarily, transcoding master
Thread reads stacked data, reads video data to be transcoded in sequence from top to down；
Decompose video flowing：Video and audio are decomposed into, according to the video parameter to be transformed read by video flowing and audio
Stream recombinates according to the parameter of setting；
Video flowing after restructuring and audio stream are merged into new stream medium data, boil down to entity physical file, by
Inverted good instance objects remove from storehouse and read next, until no data again in storehouse, terminate.
Further, during by the relevant parameter instance object of setting into the built-in storage of processor, processor according to
The setting analysis video code conversion way set on user's visualization interface is handled, and reads the parameter selected by user on the page
Setting, an object will be turned to per instance of video all the way.
Further, when creating heap object, processor creates transcoding storehouse according to way, according to the conversion way of setting
It is created that the transcoding virtual objects of corresponding way.
Further, transcoding is handled：All conversion objects in loop stack, export finally per converting video all the way,
And named with corresponding resolution ratio and raw filename；
By under the conversion catalogue of all video copies after conversion to setting old file name name file in, in deletion
The file that one step is changed temporarily.
Further, arrange parameter is on visualization interface：The way of user's conversion selected on interface and
The parameter of each road video, it is by the form of all ways and Ge Lu parameters object that instance object, which is added in internal memory storehouse,
Store.
Multi-output system based on video code conversion, including processor and memory；
Following procedure instruction is performed in processor：
The arrange parameter and by the built-in storage of the relevant parameter instance object of setting to processor on visualization interface
In, and heap object is created, instance object is added in internal memory storehouse, and is sorted；
Transcoding main thread reads former video and carries out transcoding processing, video flowing is written in built-in storage temporarily, transcoding master
Thread reads stacked data, reads video data to be transcoded in sequence from top to down；
Decompose video flowing：Video and audio are decomposed into, according to the video parameter to be transformed read by video flowing and audio
Stream recombinates according to the parameter of setting；
Video flowing after restructuring and audio stream are merged into new stream medium data, boil down to entity physical file, by
Inverted good instance objects remove from storehouse and read next, until no data again in storehouse, terminate.
Further, during by the relevant parameter instance object of setting into the built-in storage of processor, processor according to
The setting analysis video code conversion way set on user's visualization interface is handled, and reads the parameter selected by user on the page
Setting, an object will be turned to per instance of video all the way.
Further, when creating heap object, processor creates transcoding storehouse according to way, according to the conversion way of setting
It is created that the transcoding virtual objects of corresponding way.
Further, transcoding is handled：All conversion objects in loop stack, export finally per converting video all the way,
And named with corresponding resolution ratio and raw filename；
By under the conversion catalogue of all video copies after conversion to setting old file name name file in, in deletion
The file that one step is changed temporarily.
Further, arrange parameter is on visualization interface：The way of user's conversion selected on interface and
The parameter of each road video, it is by the form of all ways and Ge Lu parameters object that instance object, which is added in internal memory storehouse,
Store.
Beneficial effects of the present invention：
1. the present invention is encoded using pure software formula, without using other hardware devices.
2. the present invention can produce multichannel simultaneously according to visualization interface setting and tackle in the video of heterogeneous networks distinct device,
Reduce user's adaptation network and mobile device and carry out manually the time of parameter setting conversion video.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
The multiple-channel output flow chart of Fig. 1 present invention.
Embodiment：
The present invention is described in detail below in conjunction with the accompanying drawings：
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
In a kind of typical embodiment of the application, as shown in figure 1, the multiple-channel output method based on video code conversion, bag
Include：
One file turns multichannel and started；
Setting analysis video code conversion way according to being set on user's visualization interface is handled, and reads user on the page
Selected parameter setting, an object will be turned to per instance of video all the way；
Transcoding storehouse is created according to way；
Transcoding storehouse, the transcoding virtual objects of corresponding way are created that according to the conversion way of setting, are such as set as that 3 tunnels turn
Change, then create 3 objects, the essential information of road conversion is included on each object, such as rate, code stream etc. respectively；
Transcoding is handled, and all conversion objects in loop stack, is exported finally per converting video all the way, and with corresponding
Resolution ratio and raw filename name；
By under the conversion catalogue of all video copies after conversion to setting old file name name file in, in deletion
The file that one step is changed temporarily, terminate.
Wherein, visual page provided herein, it is the multipad of independent development, provides the user interface and enter
The row selection resolution ratio to be converted, multiselect, is easy to allow user independently to set the way to be exported, in addition, the transcoding of storehouse property
Order, video frequency output all the way, it ensure that orderly progress and the stability of transcoding.
It should be explained that：The specific step of output all the way is：
1. the user way of conversion and the parameter of each road video selected on interface are recorded first.
2. internal memory creates heap object, all ways and Ge Lu parameters are stored in the form of object, and according to suitable
Sequence is arranged.
3. video conversion main thread reads the data in storehouse, from top to bottom, Hou Jianggai roads video pair all the way is converted successfully
As being removed from storehouse, and re-read it is next, until all objects all remove finish.
In the typical embodiment of another kind of the application, the multiple-channel output method based on video code conversion, including following step
Suddenly：
1. the parameter that record user chooses on visualization interface；
2. recording relevant parameter, instance object creates heap object into internal memory, instance object is added to interior
In stock pile stack, and sort；
3. transcoding main thread reads former video, video flowing is written in internal memory temporarily；
4. transcoding main thread reads stacked data, video data to be transcoded is read in sequence from top to down；
5. decomposing video flowing, video and audio are decomposed into；
6. video flowing and audio stream are recombinated according to the parameter of setting according to the video parameter to be transformed read；
7. the video flowing after restructuring and audio stream are merged into new stream medium data, boil down to entity physical file；
8. inverted good instance objects are removed from storehouse and read next；
9. until no data again in storehouse, terminate.
In the typical embodiment of another kind of the application, the multi-output system based on video code conversion, including：
Module includes visual configuration interface, the main service of video code conversion, video core compression reconstitution component altogether；
Visual configuration interface：It is supplied to user selection interface；
The main service of video code conversion：Interface selection parameter is read, creates transcoding queue, calls video compression component；
Video compress reconstitution component：Video code conversion.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (10)
1. the multiple-channel output method based on video code conversion, it is characterized in that, comprise the following steps：
On visualization interface arrange parameter and by the relevant parameter instance object of setting into the built-in storage of processor, and
Heap object is created, instance object is added in internal memory storehouse, and is sorted；
Transcoding main thread reads former video and carries out transcoding processing, video flowing is written in built-in storage temporarily, transcoding main thread
Stacked data is read, reads video data to be transcoded in sequence from top to down；
Decompose video flowing：Video and audio are decomposed into, according to the video parameter to be transformed read by video flowing and audio stream root
Recombinated according to the parameter of setting；
Video flowing after restructuring and audio stream are merged into new stream medium data, boil down to entity physical file, will have been turned
The instance objects changed remove from storehouse and read next, until no data again in storehouse, terminate.
2. the multiple-channel output method based on video code conversion as claimed in claim 1, it is characterized in that, the relevant parameter of setting is real
When exampleization object is into the built-in storage of processor, processor turns according to the setting analysis video set on user's visualization interface
Code way is handled, and reads the parameter setting selected by user on the page, will turn to an object per instance of video all the way.
3. the multiple-channel output method based on video code conversion as claimed in claim 1, it is characterized in that, when creating heap object, place
Manage device and transcoding storehouse is created according to way, the transcoding virtual objects of corresponding way are created that according to the conversion way of setting.
4. the multiple-channel output method based on video code conversion as claimed in claim 1, it is characterized in that, transcoding processing：Loop stack
In all conversion objects, export finally per converting video all the way, and named with corresponding resolution ratio and raw filename；
By in the file of old file name name under the conversion catalogue of all video copies after conversion to setting, previous step is deleted
The file changed temporarily.
5. the multiple-channel output method based on video code conversion as claimed in claim 1, it is characterized in that, set on visualization interface
Parameter is：The user way of conversion and the parameter of each road video selected on interface, instance object is added to interior
It is to store the form of all ways and Ge Lu parameters object in stock pile stack.
6. the multi-output system based on video code conversion, it is characterized in that, including processor and memory；
Following procedure instruction is performed in processor：
On visualization interface arrange parameter and by the relevant parameter instance object of setting into the built-in storage of processor, and
Heap object is created, instance object is added in internal memory storehouse, and is sorted；
Transcoding main thread reads former video and carries out transcoding processing, video flowing is written in built-in storage temporarily, transcoding main thread
Stacked data is read, reads video data to be transcoded in sequence from top to down；
Decompose video flowing：Video and audio are decomposed into, according to the video parameter to be transformed read by video flowing and audio stream root
Recombinated according to the parameter of setting；
Video flowing after restructuring and audio stream are merged into new stream medium data, boil down to entity physical file, will have been turned
The instance objects changed remove from storehouse and read next, until no data again in storehouse, terminate.
7. the multi-output system based on video code conversion as claimed in claim 6, it is characterized in that, the relevant parameter of setting is real
When exampleization object is into the built-in storage of processor, processor turns according to the setting analysis video set on user's visualization interface
Code way is handled, and reads the parameter setting selected by user on the page, will turn to an object per instance of video all the way.
8. the multi-output system based on video code conversion as claimed in claim 6, it is characterized in that, when creating heap object, place
Manage device and transcoding storehouse is created according to way, the transcoding virtual objects of corresponding way are created that according to the conversion way of setting.
9. the multi-output system based on video code conversion as claimed in claim 6, it is characterized in that, transcoding processing：Loop stack
In all conversion objects, export finally per converting video all the way, and named with corresponding resolution ratio and raw filename；
By in the file of old file name name under the conversion catalogue of all video copies after conversion to setting, previous step is deleted
The file changed temporarily.
10. the multi-output system based on video code conversion as claimed in claim 6, it is characterized in that, set on visualization interface
Putting parameter is：The user way of conversion and the parameter of each road video selected on interface, instance object is added to
It is to store the form of all ways and Ge Lu parameters object in internal memory storehouse.
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| CN109766325A (en) * | 2019-01-09 | 2019-05-17 | 吴思齐 | A kind of distributed file system and flow data wiring method towards flow data |
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Address after: 250101 science and Technology Industrial Park of Shandong University, 2600 Yingxiu Road, high tech Industrial Development Zone, Jinan City, Shandong Province Patentee after: Huate Digital Technology Co.,Ltd. Patentee after: Shandong Xinyuan Yifang Technology Co.,Ltd. Address before: 250100 4th floor, block B, Shanda Luneng science and technology building, 29-1 Shanda South Road, Licheng District, Jinan City, Shandong Province Patentee before: SHANDA LUNENG INFORMATION TECHNOLOGY Co.,Ltd. Patentee before: Shandong Xinyuan Yifang Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |