CN104168509A - Program editing system and method applicable to environment with various material sources - Google Patents
Program editing system and method applicable to environment with various material sources Download PDFInfo
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- CN104168509A CN104168509A CN201410399422.0A CN201410399422A CN104168509A CN 104168509 A CN104168509 A CN 104168509A CN 201410399422 A CN201410399422 A CN 201410399422A CN 104168509 A CN104168509 A CN 104168509A
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Abstract
The invention discloses a program editing system and method applicable to the environment with various material sources. The program editing system comprises an interaction layer, an interaction data layer, a data processing layer, an accessor management layer and an accessor layer. The interaction layer is provided with a file buffering part, a baseband buffering part and a local file buffering part. The data processing layer is provided a rendering buffering part. The accessor layer comprises an accessor and a decoder connected with the accessor. The interaction layer is connected with the interaction data layer. The interaction data layer is connected with the data processing layer. The data processing layer is connected with the accessor management layer. The accessor management layer is connected with the accessor layer. According to the program editing system, the result is flexible, various material sources can be integrated, simultaneous mixed editing can be achieved, program editing efficiency can be greatly improved, original timeliness of the materials is guaranteed, and first issuing performance, exclusively-broadcasting performance and influence of program broadcasting are improved.
Description
Technical field
The present invention relates to broadcast TV program and make field and network-oriented multimedia technology application field, particularly a kind of editing saving System and method for being applicable under the environment of multiple quarry.
Background technology
Along with the development of Internet technology, the speed of dissemination of information promotes greatly, for broadcast TV program production unit, particularly TV station, how to hold rapidly media information and carries out program making fast and broadcast having become a very important routine work.
At present, TV station tradition quarry mostly need to clap or find from material sources existing and other channels by reporter is outer, and this wherein just comprises: video camera tape signal material, video camera digitlization dielectric disc material, live/relayed information are included material, third party's video and audio material file material etc.The material of multi-source is widely applied in daily station synchronization is made.
But be not difficult to find, these materials still belong to traditional quarry mode, be suitable for drafting shooting or the fixing thematic program report of schedule, but often cannot arrive report at once for the content such as emergency, breaking news, lack the situation of on-the-spot first-hand video and audio material, restricted efficient, promptness that program broadcasts.
Along with the continuous progress of information technology, the particularly development of the emerging field taking mobile Internet as representative, the source channel of media materials is widened greatly, the little forwarding to Twitter message, network picture, the broadcast material that mobile video is disclosed, individual short-movie can be served as TV programme, and media materials of closeness to life occurs fast for these, spectators' attention rate is very high.
The material of traditional multi-source is mutually supplemented with the multi-source material under the information age, mixes and utilize plumpness, the promptness that will certainly greatly improve program, the situation at reduction program true to nature scene, program also can really reach timely propagation true, propagate and be worth.
At present, tackle traditional multi-source material, conventionally adopt the modes such as signals collecting is uploaded, digital file is uploaded, transcoding is uploaded, in part situation, can carry out uploading again the fragment of having selected after dish is selected to digital file, this part multi-source material, after processing is uploaded in digitlization, enters in making net and exists with the form of metadata information+physical file.And for the network multi-source material under the information age, still adopt the processing scheme of similar traditional approach, after network materials is downloaded, upload to and make in net with file mode transcoding.
In the time that nonlinear editing system needs above-mentioned these materials, the mode reading with file conducts interviews.Be not difficult to find, under current this pattern, the material that nonlinear editing system uses is still a kind of documentation material form of single source.
The materials different due to source need to become the material of unified source formation just can carry out editing saving by digitized processing, the process of conversion process is very consuming time, at this process inediting, personnel cannot utilize this material to carry out program making, and part material also may cause fixed material Quality Down because of format code transferring etc.
In addition; tradition nonlinear editing system is made the safety of net in order to ensure non linear system network; conventionally can keep apart making net and Office Network; but this has also delayed Office Network/the Internet from system architecture resistance and has enriched in a large number information and arrive in time and make territory; will from another one aspect; also be the security consideration because of system architecture, external material all needs to unify to enter edit field after the material of source through special converting to.
By it seems above, when traditional editing saving is produced in the face of multi-source material, only can carries out in file data aspect read-write to media file and process, process more single, system configuration underaction.The merging normalizing of multi-source material, has consumed and has restricted time of editing, has reduced ageing that material has originally, and starting property that program broadcasts, solely the property broadcast, influence power all reduce greatly.
At present nonlinear editing system is in the technical limitation of reply multi-source source material editing, its key problem be to solve separate sources material source editor, reduce and simplify the time waste of multi-source material in links such as transmission, transcodings, raise the efficiency.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of video and audio material by multiple separate sources, different coding form, different pieces of information form to carry out the editing saving System and method for of digital intelligent processing, solved nonlinear editing system in the technical circumscribed problem of reply multi-source source material editing.
The object of the invention is to be achieved through the following technical solutions: a kind of editing saving system being applicable under the environment of multiple quarry, it is characterized in that: it comprises alternation of bed, interaction data layer, data analysis layer, accessor management level and accessor layer, described alternation of bed is provided with file buffering, base band buffering and local file buffering, data analysis layer is provided with plays up buffering, described accessor layer comprises accessor and the decoder being connected with accessor, alternation of bed is connected with interaction data layer, interaction data layer is connected with data analysis layer, data analysis layer is connected with accessor management level, accessor management level are connected with accessor layer.
Described accessor layer comprises picture materials accessor, Streaming Media material accessor, key material accessor, this locality and network mapping material accessor.
The editing saving system being applicable under the environment of multiple quarry also comprises a display layer, and described display layer is provided with display buffer.
A kind of editing saving method being applicable under the environment of multiple quarry comprises the following steps:
S1: alternation of bed operates the material in multiple source, comprises and records material address;
S2: interaction data layer obtains current operation material according to the operation of alternation of bed, and extract the material identification sources of current operation material;
S3: data analysis layer creates corresponding material information, preserves material identification sources and carries out data processing, and the data of finishing dealing with are sent to accessor management level;
S4: accessor management level are obtained data, operates accessor according to material identification sources, comprises following sub-step:
S41: if the corresponding accessor of material identification sources exists, current material is set in the accessor of current material identification sources;
S42: if the corresponding accessor of material identification sources does not exist, accessor corresponding to dynamic creation, and current material is set in accessor;
S5: accessor carries out cutting to the physical file section of current material, obtains effective file section, splices the file in accessor according to the dot information that enters of file, is mapped to a document queue that material position is continuous.
The material package includes network Streaming Media material in the multiple source described in step S1, at dish ENG material, local material and warehouse-in material.
The invention has the beneficial effects as follows: system results of the present invention is flexible, can integrate multiple quarry, realize mixed editorial simultaneously, greatly improve editing saving efficiency, ensure originally ageing of material, improved the starting property that program broadcasts, the solely property broadcast and influence power.
Brief description of the drawings
Fig. 1 is block diagram of the present invention;
Fig. 2 is the inventive method flow chart;
Fig. 3 is quarry schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail: as shown in Figure 1, a kind of editing saving system being applicable under the environment of multiple quarry, it is characterized in that: it comprises alternation of bed, interaction data layer, data analysis layer, accessor management level and accessor layer, described alternation of bed is provided with file buffering, base band buffering and local file buffering, data analysis layer is provided with plays up buffering, described accessor layer comprises accessor and the decoder being connected with accessor, alternation of bed is connected with interaction data layer, interaction data layer is connected with data analysis layer, data analysis layer is connected with accessor management level, accessor management level are connected with accessor layer.
Described file buffering is for fear of network fluctuation, causes certain once overtime serious to Network Capture data, thereby affects decoder decoding; Decoder is decoded and is all existed in every frame data process consuming timely, in order to reduce the impact of decoder, is provided with described base band buffering; And during for large network file, because transmitted data on network is large, what adopt is a kind of mode of local file buffering, in editing process, according to the position when pre-editing, dynamically the file data on network is buffered in local hard drive, thereby network materials is reached to the editor's of local material real-time.
The described buffering of playing up is according to the size of the configuration dynamic assignment buffering of CPU and GPU hardware, thereby is reduced in the degree of dependence to hardware in the process of data processing.
Described accessor layer comprises picture materials accessor, Streaming Media material accessor, key material accessor, this locality and network mapping material accessor.
The editing saving system being applicable under the environment of multiple quarry also comprises a display layer, and described display layer is provided with display buffer.Display buffer can reach when avoiding film flicker function for double buffering, reduces the dependence to video card.
Be applicable to the editing saving system under the environment of multiple quarry, also adopted pre-volume mechanism, reduce the fluctuation in playing process.Broadcast in process when rising, accessor notice addressed location fills up base band buffering fast, data analysis layer also can obtain by accessor the data of decoder, after processing, join and play up in buffering, when the data stuffing of playing up buffering starts to play to a half, reduce after broadcasting due to the decoding fluctuation causing consuming time.
As shown in Figure 2, a kind of editing saving method being applicable under the environment of multiple quarry comprises the following steps:
S1: alternation of bed operates the material in multiple source, comprises and records material address.
The material package includes network Streaming Media material in described multiple source, at dish ENG material, local material and warehouse-in material.
S2: interaction data layer obtains current operation material according to the operation of alternation of bed, and extract the material identification sources of current operation material.
S3: data analysis layer creates corresponding material information, preserves material identification sources and carries out data processing, and the data of finishing dealing with are sent to accessor management level.
S4: accessor management level are obtained data, operates accessor according to material identification sources, comprises following sub-step:
S41: if the corresponding accessor of material identification sources exists, current material is set in the accessor of current material identification sources;
S42: if the corresponding accessor of material identification sources does not exist, accessor corresponding to dynamic creation, and current material is set in accessor.
When the corresponding accessor of material identification sources does not exist while having newly increased a kind of material identification sources, only need to create corresponding accessor example in accessor management level can manage.
S5: accessor carries out cutting to the physical file section of current material, obtain effective file section, according to the dot information that enters of file, the file in accessor is spliced, be mapped to a document queue that material position is continuous, ensure the continuity of decoding, thereby improve decoding efficiency.
Claims (5)
1. the editing saving system being applicable under the environment of multiple quarry, it is characterized in that: it comprises alternation of bed, interaction data layer, data analysis layer, accessor management level and accessor layer, described alternation of bed is provided with file buffering, base band buffering and local file buffering, data analysis layer is provided with plays up buffering, described accessor layer comprises accessor and the decoder being connected with accessor, alternation of bed is connected with interaction data layer, interaction data layer is connected with data analysis layer, data analysis layer is connected with accessor management level, accessor management level are connected with accessor layer.
2. a kind of editing saving system being applicable under the environment of multiple quarry according to claim 1, is characterized in that: described accessor layer comprises picture materials accessor, Streaming Media material accessor, key material accessor, this locality and network mapping material accessor.
3. a kind of editing saving system being applicable under the environment of multiple quarry according to claim 1, is characterized in that: it also comprises a display layer, and described display layer is provided with display buffer.
4. the editing saving method being applicable under the environment of multiple quarry comprises the following steps:
S1: alternation of bed operates the material in multiple source, comprises and records material address;
S2: interaction data layer obtains current operation material according to the operation of alternation of bed, and extract the material identification sources of current operation material;
S3: data analysis layer creates corresponding material information, preserves material identification sources and carries out data processing, and the data of finishing dealing with are sent to accessor management level;
S4: accessor management level are obtained data, operates accessor according to material identification sources, comprises following sub-step:
S41: if the corresponding accessor of material identification sources exists, current material is set in the accessor of current material identification sources;
S42: if the corresponding accessor of material identification sources does not exist, accessor corresponding to dynamic creation, and current material is set in accessor;
S5: accessor carries out cutting to the physical file section of current material, obtains effective file section, splices the file in accessor according to the dot information that enters of file, is mapped to a document queue that material position is continuous.
5. a kind of editing saving method being applicable under the environment of multiple quarry according to claim 4, is characterized in that: the material package includes network Streaming Media material in the multiple source described in step S1, at dish ENG material, local material and warehouse-in material.
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| CN104168509B (en) | 2017-05-17 |
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