CN108881918A - A kind of processing method of multi-channel video and a kind of multimedia terminal - Google Patents
A kind of processing method of multi-channel video and a kind of multimedia terminal Download PDFInfo
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- CN108881918A CN108881918A CN201711230398.8A CN201711230398A CN108881918A CN 108881918 A CN108881918 A CN 108881918A CN 201711230398 A CN201711230398 A CN 201711230398A CN 108881918 A CN108881918 A CN 108881918A
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- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000006837 decompression Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
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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
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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
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4821—End-user interface for program selection using a grid, e.g. sorted out by channel and broadcast time
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
- H04N21/8193—Monomedia components thereof involving executable data, e.g. software dedicated tools, e.g. video decoder software or IPMP tool
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- Human Computer Interaction (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The embodiment of the invention provides a kind of processing method of multi-channel video and a kind of multimedia terminal, the method is applied to multimedia terminal, and the multimedia terminal includes primary processor, from coding processing device, and, at least one is from decoding processor；The method includes：The primary processor obtains compressed and multiplexed video stream data from multimedia server；The compressed and multiplexed video stream data is successively distributed to each from decoding processor and described from coding processing device by the primary processor, obtains decoded video stream data all the way；The video stream data decoded all the way is sent to display equipment.The processing that the embodiment of the present invention decompresses compressed and multiplexed video stream data is completed by multiple from decoding processor, so as to primary processor concurrent working, improve the efficiency of compressed and multiplexed video stream data processing, speed up processing.
Description
Technical field
The present invention relates to technical field of video processing, processing method and a kind of more matchmakers more particularly to a kind of multi-channel video
Body terminal.
Background technique
Multi-channel video closes screen display and refers to compressed and multiplexed video stream data being decoded processing respectively, is then combined with into
Video stream data and export display all the way.
The video server or multimedia server function and performance of enterprise or operator is powerful, and user
Terminal type, interface, in terms of it is different, cause the ability difference of the terminal of user very big, it is weaker for ability
User terminal, receive and show that multi-channel video can be potentially encountered problem, such as the more situation of video number to be shown,
For example 25 tunnels, 36 tunnels or even road up to a hundred etc. cannot decode received video if the decoding capability of terminal is weaker in time,
It is possible that the problems such as picture Caton, flower screen.
Currently, a kind of effective method is exactly that multi-channel video is used to close screen technology, i.e., it is received multi-path video stream is whole
Decoding, the method for being recoded into video all the way.But this mode can lead to the problem of another again, be exactly first to decode multichannel view
Frequently, all the way, last further decoding simultaneously shows that treatment process complicates, and the treatment effeciency of terminal can be impacted, Er Qieyou for re-encoding
Phenomena such as picture Caton, flower screen may be there is also.
Summary of the invention
In view of the above problems, the problem of, the embodiment of the present invention propose the processing method of a kind of multi-channel video and corresponding
A kind of multimedia terminal.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of processing method of multi-channel video, the method is answered
For multimedia terminal, the multimedia terminal includes primary processor, from coding processing device, and, at least one is from decoding place
Manage device；The method includes：
The primary processor obtains compressed and multiplexed video stream data from multimedia server；
The compressed and multiplexed video stream data is successively distributed to each from decoding processor and described by the primary processor
From coding processing device, decoded video stream data all the way is obtained；
The video stream data decoded all the way is sent to display equipment.
Preferably, the compressed and multiplexed video stream data is successively distributed to each from decoding processor by the primary processor
With described from coding processing device, the step of obtaining decoded video stream data all the way, includes：
The compressed and multiplexed video stream data is distributed to each from decoding processor by the primary processor；It is each from decoding
Processor unzips it the compressed and multiplexed video stream data；
The primary processor receives the video stream data after each multichannel decompression returned from decoding processor；
The primary processor multichannel is decompressed after video stream data be sent to it is described from coding processing device；It is described from volume
Video stream data after code processor decompresses multichannel is encoded to the video stream data after coding all the way；
The primary processor receives the video stream data after encoding all the way described in coding processing device return；
The primary processor is decoded the video stream data after the coding all the way, obtains decoded video all the way
Flow data.
Preferably, from coding processing device multichannel is decompressed after video stream data be encoded to all the way coding after video flowing
The step of data includes：
The number m of video stream data after obtaining decompression, and the video stream data respectively after the decompression of the road m is compiled
Number；
Mesh parameter is set；The mesh parameter includes number of grid n and size of mesh opening；Wherein, n >=m；N grid ruler
Very little difference is identical；
According to the number of the video stream data after the decompression of the road m, it is followed successively by per the video stream data point after decompressing all the way
With a grid；
Video stream data and mesh parameter after multichannel is decompressed are encoded to the video stream data after coding all the way.
Preferably, before the step of primary processor obtains compressed and multiplexed video stream data from multimedia server,
Further include：
The primary processor activates network transport interface；
The primary processor activates video transmission interface；The primary processor by the video transmission interface with from coding
It is processor, each from decoding processor, and display equipment carries out data interaction.
Correspondingly, the embodiment of the invention discloses a kind of multimedia terminal, the multimedia terminal include primary processor, from
Coding processing device, and, at least one is from decoding processor；The multimedia terminal includes：
The primary processor, for obtaining compressed and multiplexed video stream data from multimedia server；
The primary processor is also used to for the compressed and multiplexed video stream data being successively distributed to each from decoding processor
With described from coding processing device, decoded video stream data all the way is obtained；
The primary processor is also used to the video stream data decoded all the way being sent to display equipment.
Preferably, the primary processor is also used to：
The compressed and multiplexed video stream data is distributed to each from decoding processor；It is each will be described from decoding processor
Compressed and multiplexed video stream data unzips it；
Video stream data after receiving each multichannel decompression returned from decoding processor；
Video stream data after multichannel is decompressed is sent to described from coding processing device；It is described will be more from coding processing device
Video stream data after the decompression of road is encoded to the video stream data after coding all the way；
Receive the video stream data after encoding all the way described in coding processing device return；
Video stream data after the coding all the way is decoded, decoded video stream data all the way is obtained.
Preferably, described to be used for from coding processing device：
The number m of video stream data after obtaining decompression, and the video stream data respectively after the decompression of the road m is compiled
Number；
Mesh parameter is set；The mesh parameter includes number of grid n and size of mesh opening；Wherein, n >=m；N grid ruler
Very little difference is identical；
According to the number of the video stream data after the decompression of the road m, it is followed successively by per the video stream data point after decompressing all the way
With a grid；
Video stream data and mesh parameter after multichannel is decompressed are encoded to the video stream data after coding all the way.
Preferably, the primary processor is also used to：
Activate network transport interface；
Activate video transmission interface；The primary processor by the video transmission interface with from coding processing device, each
Data interaction is carried out from decoding processor, and display equipment.
Correspondingly, the embodiment of the invention also discloses a kind of multimedia terminal, including processor, memory and it is stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is executed by the processor
The step of realizing the processing method of multi-channel video as described in any one of the above embodiments.
Correspondingly, the embodiment of the invention also discloses a kind of computer readable storage mediums, which is characterized in that the calculating
Computer program is stored on machine readable storage medium storing program for executing, is realized when the computer program is executed by processor such as any of the above-described institute
The step of processing method for the multi-channel video stated.
The embodiment of the present invention includes following advantages：
In embodiments of the present invention, multimedia terminal includes primary processor, from coding processing device, and, at least one from
Decoding processor；The primary processor obtains compressed and multiplexed video stream data from multimedia server, then, by the multichannel pressure
Contracting video stream data is successively distributed to each from decoding processor and described from coding processing device, obtains decoded video all the way
Flow data, finally, the video stream data decoded all the way is sent to display equipment.In this way, to compressed and multiplexed video flowing
The processing of data decompression by it is multiple from decoding processor complete, so as to primary processor concurrent working, improve multichannel
The efficiency of compressed video data data processing, speed up processing.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of the processing method embodiment of multi-channel video of the invention；
Fig. 2 is a kind of structural block diagram of multimedia terminal embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of step flow chart of the processing method embodiment of multi-channel video of the invention, the side are shown
Method is applied to multimedia terminal, and the multimedia terminal includes primary processor, from coding processing device, and, at least one is from solution
Code processor.
It should be noted that in embodiments of the present invention, primary processor and from processor, coding processing device and decoding process
Device, which is provided to facilitate, to be described and the differentiation of progress, and there is no differentiations functionally between each processor, that is to say, that in reality
In, primary processor both can be as primary processor, can also be as from processor, and coding processing device can be not only used for encoding,
It can also be used for decoding.For example, including the processor there are five same model in multimedia terminal, one of them is as main process task
Device, three as from decoding processor, one as from coding processing device.Certainly, primary processor, from coding processing device, and,
The processor of different model also can be used from decoding processor.The embodiment of the present invention to this with no restriction.
The method can specifically include following steps：
Step 101, the primary processor obtains compressed and multiplexed video stream data from multimedia server；
In embodiments of the present invention, multimedia terminal can be by wired or wirelessly obtain from multimedia server
Take compressed and multiplexed video stream data.And compressed and multiplexed video stream data is the source data for needing to close screen display.So-called conjunction screen display,
Show that multiple windows, each window individually show a screen picture, pass through between each window simultaneously exactly in a screen
Grid dividing.
It is compressed and multiplexed from multimedia server acquisition in the primary processor in a kind of preferred embodiment of the present invention
Before the step of video stream data, further include：
The primary processor activates network transport interface；
The primary processor activates video transmission interface；The primary processor by the video transmission interface with from coding
It is processor, each from decoding processor, and display equipment carries out data interaction.
Specifically, primary processor is responsible for being allocated resource, process flow is controlled, including initialization network passes
Defeated interface and video transmission interface receive multi-path video stream, and multi-path video stream is encoded into all the way, decode video flowing all the way and send
To video transmission interface.Wherein, primary processor by video transmission interface with from coding processing device, each from decoding processor,
And display equipment carries out data interaction.Primary processor obtains compressed and multiplexed view from multimedia server by network transport interface
Frequency flow data.
It is responsible for decoding multi-path video stream, the distribution including video buffer from processor, decoding channels are established, and video processing is just
Beginningization, and decoding thread creation and operation control etc., principal and subordinate processor concurrent processing.
Step 102, the compressed and multiplexed video stream data is successively distributed to each from decoding process by the primary processor
Device and described from coding processing device, obtains decoded video stream data all the way；
Specifically, primary processor by video transmission interface by compressed and multiplexed video stream data be successively distributed to it is each from
Decoding processor and described from coding processing device.
In a kind of preferred embodiment of the present invention, the primary processor successively distributes the compressed and multiplexed video stream data
To each from decoding processor and described from coding processing device, the step of obtaining decoded video stream data all the way, includes：
The compressed and multiplexed video stream data is distributed to each from decoding processor by the primary processor；It is each from decoding
Processor unzips it the compressed and multiplexed video stream data；
The primary processor receives the video stream data after each multichannel decompression returned from decoding processor；
The primary processor multichannel is decompressed after video stream data be sent to it is described from coding processing device；It is described from volume
Video stream data after code processor decompresses multichannel is encoded to the video stream data after coding all the way；
The primary processor receives the video stream data after encoding all the way described in coding processing device return；
The primary processor is decoded the video stream data after the coding all the way, obtains decoded video all the way
Flow data.
Specifically, primary processor the compressed and multiplexed video stream data received is distributed to it is each from decoding processor, respectively
It is a to decompress the compressed and multiplexed video stream data that receives from decoding processor, then video stream data after multichannel is decompressed sends
To primary processor, the video stream data after primary processor decompresses multichannel is sent to from coding processing device, from coding processing device
Video stream data after multichannel is decompressed is encoded to the video stream data after coding all the way, will encode all the way from coding processing device
Video stream data afterwards is sent to primary processor, and primary processor is decoded the video stream data after encoding all the way, obtains one
The decoded video stream data in road.
In a kind of preferred embodiment of the present invention, from coding processing device multichannel is decompressed after video stream data be encoded to
All the way encode after video stream data the step of include：
The number m of video stream data after obtaining decompression, and the video stream data respectively after the decompression of the road m is compiled
Number；
Mesh parameter is set；The mesh parameter includes number of grid n and size of mesh opening；Wherein, n >=m；N grid ruler
Very little difference is identical；
According to the number of the video stream data after the decompression of the road m, it is followed successively by per the video stream data point after decompressing all the way
With a grid；
Video stream data and mesh parameter after multichannel is decompressed are encoded to the video stream data after coding all the way.
Specifically, because multiple windows are shown simultaneously in a screen picture, it is therefore desirable to according to the view after decompression
The number of frequency flow data, mesh parameter is arranged, that is, a screen picture is divided equally into how many a windows.
Divide when, number of grid n have to be larger than or equal to the video stream data after decompression number m, such ability
Guarantee there is window to be shown per the video stream data after decompressing all the way.If n is greater than m, so much remaining window can be with
It is hidden, or the contents such as display " no picture ".
And in grid dividing, because the size of each grid is all identical, it is possible to by grid in screen
Ratio is divided, and does not have to divide based on the resolution ratio of display equipment.
After the completion of division, according to the number of the video stream data after the decompression of the road m, it is followed successively by per the view after decompressing all the way
Frequency flow data distributes a grid.
For example, the video stream data after the decompression of 4 tunnels is had received from coding processing device, it respectively will be after the decompression of 4 tunnels
Video stream data number is then mesh parameter n=4, a length of screen of grid is arranged in video 1, video 2, video 3, video 4
The 50% of resolution ratio length, the width of grid are the 50% of screen resolution width, then by 4 grid windows respectively number grid 1,
Grid 2, grid 3, grid 4, are finally assigned to grid 1 for video 1, and video 2 is assigned to grid 2, and video 3 is assigned to grid
3, video 4 is assigned to grid 4, finally, after the video stream data and mesh parameter after 4 roads are decompressed are encoded to coding all the way
Video stream data.
Step 103, the video stream data decoded all the way is sent to display equipment.
Specifically, primary processor passes through video transmission interface, it will be decoded all the way by the way of wirelessly or non-wirelessly
Video stream data is sent to display equipment, and display equipment decoded video stream data will be shown all the way.Certainly, if it is more
Media termination carries screen, so that it may directly be shown on multimedia terminal.
In embodiments of the present invention, multimedia terminal includes primary processor, from coding processing device, and, at least one from
Decoding processor；The primary processor obtains compressed and multiplexed video stream data from multimedia server, then, by the multichannel pressure
Contracting video stream data is successively distributed to each from decoding processor and described from coding processing device, obtains decoded video all the way
Flow data, finally, the video stream data decoded all the way is sent to display equipment.In this way, to compressed and multiplexed video flowing
The processing of data decompression by it is multiple from decoding processor complete, so as to primary processor concurrent working, improve multichannel
The efficiency of compressed video data data processing, speed up processing.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 2, a kind of structural block diagram of multimedia terminal embodiment of the invention is shown, can specifically include main place
Manage device 201, from coding processing device 202, and, at least one is from decoding processor 203；The multimedia terminal includes：
The primary processor 201, for obtaining compressed and multiplexed video stream data from multimedia server；
The primary processor 201 is also used to for the compressed and multiplexed video stream data being successively distributed to each from decoding place
Device 202 and described from coding processing device 203 is managed, decoded video stream data all the way is obtained；
The primary processor 201 is also used to the video stream data decoded all the way being sent to display equipment.
In a kind of preferred embodiment of the present invention, the primary processor is also used to：
The compressed and multiplexed video stream data is distributed to each from decoding processor；It is each will be described from decoding processor
Compressed and multiplexed video stream data unzips it；
Video stream data after receiving each multichannel decompression returned from decoding processor；
Video stream data after multichannel is decompressed is sent to described from coding processing device；It is described will be more from coding processing device
Video stream data after the decompression of road is encoded to the video stream data after coding all the way；
Receive the video stream data after encoding all the way described in coding processing device return；
Video stream data after the coding all the way is decoded, decoded video stream data all the way is obtained.
It is described to be used for from coding processing device in a kind of preferred embodiment of the present invention：
The number m of video stream data after obtaining decompression, and the video stream data respectively after the decompression of the road m is compiled
Number；
Mesh parameter is set；The mesh parameter includes number of grid n and size of mesh opening；Wherein, n >=m；N grid ruler
Very little difference is identical；
According to the number of the video stream data after the decompression of the road m, it is followed successively by per the video stream data point after decompressing all the way
With a grid；
Video stream data and mesh parameter after multichannel is decompressed are encoded to the video stream data after coding all the way.
In a kind of preferred embodiment of the present invention, the primary processor is also used to：
Activate network transport interface；
Activate video transmission interface；The primary processor by the video transmission interface with from coding processing device, each
Data interaction is carried out from decoding processor, and display equipment.
Preferably, the embodiment of the present invention also provides a kind of multimedia terminal, including processor, memory and is stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
The step of processing method of existing multi-channel video as described in any one of the above embodiments.
Preferably, the embodiment of the present invention also provides a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, the computer program realizes multi-channel video as described in any one of the above embodiments when being executed by processor
Processing method the step of.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Processing method to a kind of multi-channel video provided by the present invention and a kind of multimedia terminal above have carried out in detail
It introduces, used herein a specific example illustrates the principle and implementation of the invention, the explanation of above embodiments
It is merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to this
The thought of invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not answered
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of processing method of multi-channel video, which is characterized in that the method is applied to multimedia terminal, and the multimedia is whole
End includes primary processor, from coding processing device, and, at least one is from decoding processor；The method includes：
The primary processor obtains compressed and multiplexed video stream data from multimedia server；
The compressed and multiplexed video stream data is successively distributed to each from decoding processor and described from volume by the primary processor
Code processor obtains decoded video stream data all the way；
The video stream data decoded all the way is sent to display equipment.
2. the method according to claim 1, wherein the primary processor is by the compressed and multiplexed video stream data
Successively it is distributed to each from decoding processor and described from coding processing device, the step of obtaining decoded video stream data all the way
Including：
The compressed and multiplexed video stream data is distributed to each from decoding processor by the primary processor；It is each from decoding process
Device unzips it the compressed and multiplexed video stream data；
The primary processor receives the video stream data after each multichannel decompression returned from decoding processor；
The primary processor multichannel is decompressed after video stream data be sent to it is described from coding processing device；It is described from coding
Video stream data after reason device decompresses multichannel is encoded to the video stream data after coding all the way；
The primary processor receives the video stream data after encoding all the way described in coding processing device return；
The primary processor is decoded the video stream data after the coding all the way, obtains decoded video fluxion all the way
According to.
3. method according to claim 1 or 2, which is characterized in that from coding processing device multichannel is decompressed after video
Flow data be encoded to all the way coding after video stream data the step of include：
The number m of video stream data after obtaining decompression, and the video stream data respectively after the decompression of the road m is numbered；
Mesh parameter is set；The mesh parameter includes number of grid n and size of mesh opening；Wherein, n >=m；N size of mesh opening point
It is not identical；
According to the number of the video stream data after the decompression of the road m, it is followed successively by per the video stream data distribution one after decompressing all the way
A grid；
Video stream data and mesh parameter after multichannel is decompressed are encoded to the video stream data after coding all the way.
4. the method according to claim 1, wherein obtaining multichannel from multimedia server in the primary processor
Before the step of compressed video data data, further include：
The primary processor activates network transport interface；
The primary processor activates video transmission interface；The primary processor by the video transmission interface with from coded treatment
It is device, each from decoding processor, and display equipment carries out data interaction.
5. a kind of multimedia terminal, which is characterized in that the multimedia terminal includes primary processor, from coding processing device, and,
At least one is from decoding processor；The multimedia terminal includes：
The primary processor, for obtaining compressed and multiplexed video stream data from multimedia server；
The primary processor is also used to for the compressed and multiplexed video stream data being successively distributed to each from decoding processor and institute
It states from coding processing device, obtains decoded video stream data all the way；
The primary processor is also used to the video stream data decoded all the way being sent to display equipment.
6. multimedia terminal according to claim 1, which is characterized in that the primary processor is also used to：
The compressed and multiplexed video stream data is distributed to each from decoding processor；It is each from decoding processor by the multichannel
Compressed video data data unzip it；
Video stream data after receiving each multichannel decompression returned from decoding processor；
Video stream data after multichannel is decompressed is sent to described from coding processing device；It is described from coding processing device by multichannel solution
Compressed video stream data is encoded to the video stream data after coding all the way；
Receive the video stream data after encoding all the way described in coding processing device return；
Video stream data after the coding all the way is decoded, decoded video stream data all the way is obtained.
7. multimedia terminal according to claim 1 or 2, which is characterized in that described to be used for from coding processing device：
The number m of video stream data after obtaining decompression, and the video stream data respectively after the decompression of the road m is numbered；
Mesh parameter is set；The mesh parameter includes number of grid n and size of mesh opening；Wherein, n >=m；N size of mesh opening point
It is not identical；
According to the number of the video stream data after the decompression of the road m, it is followed successively by per the video stream data distribution one after decompressing all the way
A grid；
Video stream data and mesh parameter after multichannel is decompressed are encoded to the video stream data after coding all the way.
8. multimedia terminal according to claim 1, which is characterized in that the primary processor is also used to：
Activate network transport interface；
Activate video transmission interface；The primary processor by the video transmission interface with from coding processing device, each from solution
Code processor, and display equipment carry out data interaction.
9. a kind of multimedia terminal, which is characterized in that including processor, memory and be stored on the memory and can be in institute
The computer program run on processor is stated, such as Claims 1-4 is realized when the computer program is executed by the processor
Any one of described in multi-channel video processing method the step of.
10. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium
Sequence, the computer program realize the processing of multi-channel video according to any one of claims 1 to 4 when being executed by processor
The step of method.
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