CN105976848A - Mixed material conforming method for digital film postproduction - Google Patents
Mixed material conforming method for digital film postproduction Download PDFInfo
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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Abstract
The invention discloses a mixed material conforming method for digital film postproduction. A mixed material to be processed is conformed using data processing equipment, wherein the mixed material to be processed includes multiple source film materials respectively stored in multiple source material storage disks. Conforming comprises the following steps: (1) source material storage disk connecting and mounting; (2) source material scanning and index file generating; (3) edit decision list file loading: the data processing equipment calls a file loading module to load an edit decision list file; (4) source material effective material segment positioning and screening: effective material segments of the source film materials in the mixed material to be processed are positioned and screened; and (5) target material storage disk connecting and storing. The method of the invention has the advantages of simple steps, reasonable design, easy implementation and good use effect. Through the method, the online storage space of materials in the process of film post-production can be effectively reduced, and material conforming can be completed easily and quickly.
Description
Technical field
The invention belongs to digital movie post-production technical field, especially relate to a kind of digital movie post-production with mixed
Close material set treatment of bottom.
Background technology
During whole process digital film making, whole production team is to flow process standardization and improves production efficiency
Demand is the most urgent.At present, in domestic digital film production process, exploitation and the use of informationization technology are in a certain extent
The state disconnected, proposes concrete industry requirement in actual production, still can not obtain industrial quarters in time and solve.After digital movie
In phase making, the material set end, is most important, overlaps this technological concept of the end, derives from the cinematographic film epoch, and it refers mainly to print editing
After completing, go the process of montage egative film according to print camera lens.After entering the digital movie stage, set end process concept does not become
Changing, in digital movie Making programme, set is positioned at non-linear editing (NLE) link and numeral later stage to (Conform) link
(Postproduction) between making link.Overlap being exactly the camera lens order determined according to editing, at numeral later stage work station
On the raw data file used selected and group connects, use for follow-up link, be specially according to editing decision table
(EDL, edit decision list or Final Cut XML) file, mates the digital picture file of original shooting the most accurately
The blockette carrying out camera lens connects.
At present, in digital movie making, the mode of material storage has following three kinds: the first is to use data tape, and second
Planting is to use scattered naked dish, and the third is to use disk array.Wherein, this storage mode of data tape has storage peace
Entirely, the advantage such as stable, but reading speed is slow, and later stage material set end process needs manual work, general time-consuming at 6-7 days, makes
Personnel need to keep on equipment side always.And the storage mode equipment cost of disk array is high, the general jumbo magnetic of film rank
Disk array expense is more than 10W.Therefore, the shooting currently used more mode of early stage is to use scattered naked disk-form to deposit
Storage, but complete to carry out the postproduction phase in shooting, again post-production company is proposed the highest equipment requirements, need also exist for
Jumbo disk array, the spending of this part is that current material set the unreasonable of underflow journey causes.
Therefore, a kind of on-line storage space that can effectively reduce material in film post production process of market in urgent need, and energy
It is effectively improved the digital movie set treatment of bottom of the automaticity at the material set end.
Summary of the invention
The technical problem to be solved is for above-mentioned deficiency of the prior art, it is provided that a kind of digital movie
Post-production mixing material set treatment of bottom, its method step is simple, reasonable in design and realization is convenient, using effect is good,
Can effectively reduce the on-line storage space of material in film post production process, and energy is easy, be rapidly completed material set end process.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of digital movie post-production mixing
Material set treatment of bottom, it is characterised in that: use data handling equipment to carry out pending mixing material overlapping bottom reason；Described
Pending mixing material includes multiple original film material being respectively stored in multiple raw data storage dish, described original electricity
Shadow material is the raw data using digital movie camera shooting to obtain；
When described pending mixing material carries out overlapping bottom reason, comprise the following steps:
Step one, raw data storage dish connect and carry: multiple described raw data storage dishes are passed through data respectively
After interface is connected with data handling equipment, described data handling equipment calls memorizer carry module to multiple described raw data
Storage dish carries out carry respectively；
Step 2, raw data scanner uni index file generate, and process is as follows:
Step 201, raw data scanner uni material essential information are extracted: described data handling equipment calls material scanning mould
The described original film material of storage in each raw data storage dish is scanned by block respectively, and extracts each original film element
The material essential information of material；
Described material essential information includes reel number, field number, lens number, timecode information, frame per second and resolution；
Step 202, raw data index file generate: described data handling equipment calls index file generation module to step
The material essential information of each original film material extracted in rapid 201 carries out synchronizing storage, it is thus achieved that raw data index file；
In described raw data index file, storage has the element of all original film materials in described pending mixing material
Material essential information；
Step 3, editing decision table file load: described data handling equipment calls file load module, to editing decision-making
List file loads；
Described editing decision table file is that the transcoding file after described pending mixing material video code conversion is carried out editing
The editing decision table file of Shi Shengcheng；
Step 4, raw data effective material fragment location and screening: described data handling equipment calls location and screening
Module and according to raw data index file described in the editing decision table file loaded in step 3 and step 202, to institute
State effective material fragment of each original film material in pending mixing material position respectively and screen, it is thus achieved that each original electricity
Effective material fragment of shadow material；
Step 5, target material storage dish connect and storage: target material stores dish by described data-interface and number
After connecting according to processing equipment, described data handling equipment calls all original film that data memory module will obtain in step 4
Effective material fragment of material all copies and stores to target material storage dish.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described in step one
Data handling equipment internal memory contains camera metadata information storehouse；
Described camera metadatabase internal memory contains the camera metadata of the digital movie camera of multiple different model；
The camera metadata of the digital movie camera of every kind of model all includes the performance indications of this type figure cinematograph；
Material essential information described in step 201 also includes camera metadata.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described in step 3
In editing decision table file, storage has the decision table that described transcoding file carries out editing；Described editing decision table file is EDL
File or XML file.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described editing decision-making
List file is the editing decision table file of Final Cut, Premiere or Avid video clipping software output.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described in step 3
In editing decision table file, storage has the decision table that described transcoding file carries out editing；
At editing when described decision table includes the material information of institute's editing material and institute's editing material carries out editing
Reason information；The material information of institute's editing material includes the reel number of this material；Described editing processes information and includes institute's editing material
Carrying out editing point of contact information during editing, described editing point of contact information includes the timecode information of in and out point；
It is fixed to carry out effective material fragment of each original film material in described pending mixing material respectively in step 4
When position and screening, described data handling equipment calls location and screening module by the material information in described editing decision table file
The material of each original film material is believed substantially with raw data index file described in step 202 respectively with editing process information
Breath mates, it is thus achieved that effective material fragment of each original film material.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: to respectively in step 4
When effective material fragment of original film material positions respectively and screens, effective material fragment of all original film materials
Location and screening technique the most identical；
To when any one described, effective material fragment of original film material positions and screens, process is as follows:
Step 401, original film material determine: according to the element in the described editing decision table file loaded in step 3
Material information, and raw data index file described in integrating step 202, find out this original electricity from described pending mixing material
Shadow material；
Step 402, position and screen: process according to the editing in the described editing decision table file loaded in step 3
Information, when this original film material is carried out editing, the timecode information of in and out point is determined；Determined by further according to
The timecode information of in and out point, in and out point when this original film material is carried out editing is respectively provided with, it is thus achieved that should
Effective material fragment of original film material.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described in step one
Material essential information also includes that video type, described video type are sequence frame or non-sequence frame；
To when any one described, original film material is scanned in step 201, according to storage position sequencing to this
The video information of original film material is scanned one by one, and enters the video type of this original film material according to scanning result
Row judges；
To when any one described, effective material fragment of original film material positions and screens, according in step 201
Judge that the video type of this original film material drawn positions and screens: when step 201 judges draw this original electricity
When the video type of shadow material is sequence frame, positions according to the method described in step 402 and screen；When in step 201
Judgement draws when the video type of this original film material is non-sequence frame, using this original film material as its effective material sheet
Section.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described in step 3
Editing process information also includes carrying out institute's editing material special effect processing information during editing, and described special effect processing information is hard
Cut, fold picture or speed change；When this original film material being carried out editing in step 402, the timecode information of in and out point is carried out really
Before Ding, described data handling equipment also needs to call editing decision table analysis module and is identified described special effect processing information,
When this original film material being carried out editing further according to recognition result, the timecode information of in and out point is determined.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: according to recognition result
When this original film material is carried out editing, the timecode information of in and out point is determined, when described editing decision table divides
Analysis module identifies described special effect processing information when being cut, according to the institute in the editing decision table file of this original film material
State editing point of contact information, and the frame per second of this original film material extracted in integrating step 202 and to this original film material
The frame number at editing point of contact when carrying out editing, when this original film material is carried out editing, the timecode information of in and out point enters
Row determines；When described editing decision table analysis module identifies described special effect processing information for folded picture, use original according to this
Described editing point of contact information in the editing decision table file of film source material, and combine the folded picture length in and out point in editing
The most all the method for material length needed for the folded picture of interpolation, carries out the timing code of in and out point during editing to this original film material
Information is determined；When described editing decision table analyze module identify described special effect processing information be speed change time, first according to should
Described editing point of contact information in the editing decision table file of original film material, and combine material variable Rate calculate editing made
By the length of original film material, further according to the length of the editing calculated used original film material to this original film
When material carries out editing, the timecode information of in and out point is determined.
Above-mentioned a kind of digital movie post-production mixing material set treatment of bottom, is characterized in that: described in step one
Pending mixing material is the original mixed material of made digital movie；
Step 5 completes target material storage dish connect and after storage, it is thus achieved that the target material of made digital movie,
Described target material includes effective material fragment of all original film materials in described pending mixing material；
After completing the connection of target material storage dish and storage in step 5, described data handling equipment (1) also needs to calculate
Go out the shooting of made digital movie and averagely shoot bar number than, average lens length and camera lens in flakes.
The present invention compared with prior art has the advantage that
1, method step is simple, reasonable in design and input cost is relatively low.
2, easy and simple to handle and realization facilitates, and mainly includes that raw data storage dish connects and carry, raw data scanner uni
Index file generate, editing decision table file load, raw data effective material fragment location and screening (i.e. at the bottom of material set) and
Target material storage dish connects and five steps of storage, can be automatically performed set end processing procedure within a few minutes.Practical operation
Cheng Zhong, first generates raw data index file, obtains clip information (during i.e. digital movie makes further according to editing decision table file
Material information and the editing such as the speed change carrying out material, folded picture of required material process information), believe according to described editing afterwards
Breath, searches the material index information corresponding with clip information in raw data index file, and is found and determined by editing
Needed for fixed and follow-up making, effective editing material of original film material copies in target material storage dish.
3, using effect is good and practical value high, and the present invention proposes a kind of digital cinema standards post-production set bottom reason
Method, finds out the effective editing material in original film material by the set end, only carries out the effective editing material found out
Storage, can effectively reduce original film material memory space, and can be effectively improved the automaticity at the material set end, can effectively drop
Low digital movie post production process equipment and the cost of manpower, utilize the original film element of cheap hard disk rack tissue dispersion
Material, utilizes editing decision table to analyze the effective raw data (i.e. effectively material fragment) involved by each camera lens, sieves through one-level
Choosing, effectively removes extra shooting material, reduces material memory space, improves the automaticity at the material set end, reduces the later stage
The cost made.The 6-7 days working cycle end of set is reduced to 1-2 days of unmanned participation, alleviates producer's work load, by one
Portion's digital film memory space reduces to 2-3TB from 30-40TB, saves equipment funds and puts into about 10W unit, remarkable in economical benefits.
It addition, use that present invention effect in terms of digital cinema standards making brings will be carrying of digital movie product quality
Height, the most effectively utilization (post facility close to 10,000,000 will obtain effective use) of expensive post facility, spread out more
Thin equipment loss.
4, widely applicable and popularizing application prospect is extensive, during at the bottom of the set of mixing material, disposably connects Multi-disk,
Auto-matching original film material, automatically processes respectively to sequence frame material and non-sequence frame material.Meanwhile, master at present can be supported
The Ai Lisha of stream, RED, SONY, Canon, the digital movie camera of Blackmagic series, can process the most different types of
Original film material.
In sum, the inventive method step is simple, reasonable in design and realization is convenient, using effect is good, can effectively reduce
The on-line storage space of material in film post production process, and energy is easy, be rapidly completed material set end process.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the method flow block diagram of the present invention.
Fig. 2 is data handling equipment of the present invention and raw data storage dish and the circuit theory frame of target material storage dish
Figure.
Description of reference numerals:
1 data handling equipment；2 raw data storage dishes；3 target material storage dishes.
Detailed description of the invention
A kind of digital movie post-production mixing material set treatment of bottom as shown in Figure 1, uses data to process and sets
Pending mixing material is carried out overlapping bottom reason by standby 1；Described pending mixing material include multiple be respectively stored in multiple original
Original film material in material storage dish 2, described original film material is to use digital movie camera to shoot the former of acquisition
Beginning material；
When described pending mixing material carries out overlapping bottom reason, comprise the following steps:
Step one, raw data storage dish connect and carry: combine Fig. 2, by multiple described raw data storage dishes 2 respectively
After being connected with data handling equipment 1 by data-interface, described data handling equipment 1 calls memorizer carry module to multiple institutes
State raw data storage dish 2 and carry out carry respectively；
Step 2, raw data scanner uni index file generate, and process is as follows:
Step 201, raw data scanner uni material essential information are extracted: described data handling equipment 1 calls material scanning
The described original film material of storage in each raw data storage dish 2 is scanned by module respectively, and extracts each original electricity
The material essential information of shadow material；
Described material essential information includes reel number, field number, lens number, timecode information, frame per second and resolution；
Step 202, raw data index file generate: described data handling equipment 1 calls index file generation module pair
The material essential information of each original film material extracted in step 201 carries out synchronizing storage, it is thus achieved that raw data index literary composition
Part；
In described raw data index file, storage has the element of all original film materials in described pending mixing material
Material essential information；The material essential information of each described original film material is the index information of this original film material；
Step 3, editing decision table file load: described data handling equipment 1 calls file load module, determines editing
Plan list file loads；
Described editing decision table file is that the transcoding file after described pending mixing material video code conversion is carried out editing
The editing decision table file of Shi Shengcheng；
Step 4, raw data effective material fragment location and screening: described data handling equipment 1 calls location and screening
Module and according to raw data index file described in the editing decision table file loaded in step 3 and step 202, to institute
State effective material fragment of each original film material in pending mixing material position respectively and screen, it is thus achieved that each original electricity
Effective material fragment of shadow material；
Step 5, target material storage dish connect and storage: target material stores dish 3 by described data-interface and number
After connecting according to processing equipment 1, described data handling equipment 1 calls all original electricity that data memory module will obtain in step 4
Effective material fragment of shadow material all copies and stores to target material storage dish 3.
Effective material fragment of original film material described in step 4, in this original film material with editing decision table
The material fragment that clip information in file matches.Described clip information includes the material information of institute's editing material and to being cut
Collect editing when material carries out editing and process information.
Time actually used, described original film material is that the digital movie camera shooting using multiple different model obtains
Raw data or use same model digital movie camera shooting obtain raw data.Further, described original film
Material is digital picture file, also referred to as video file.Wherein, the digital movie camera shooting using multiple different model obtains
Raw data in, including the digital picture file of multiple different-format, the digital picture file of each form is all clapped with it
The digital movie camera model taken the photograph is corresponding.Correspondingly, it is former that the digital movie camera shooting using same model obtains
Beginning material, only includes the digital picture file of a kind of form.
In the present embodiment, the mixing material that described raw data storage dish 2 obtains after shooting for digital movie (is treated described in i.e.
Process mixing material) back-up disk.
Multiple described raw data storage dish 2 internal memories contain all raw data after the shooting of made digital movie.
In the present embodiment, the internal memory of data handling equipment 1 described in step one contains camera metadata information storehouse；
Described camera metadatabase internal memory contains the camera metadata of the digital movie camera of multiple different model；
The camera metadata of the digital movie camera of every kind of model all includes the performance indications of this type figure cinematograph；
Material essential information described in step 201 also includes camera metadata.
In the present embodiment, the performance indications of the digital movie camera in described camera metadata are specially digital movie
The index (including frame per second, resolution etc.) that camera is relevant to shooting picture quality, also referred to as acquisition parameters.
Camera metadata comprises acquisition parameters and picture technical specification, these information of the camera all pictures of end record
Can expend during extraction and certain calculate resource and time, but process many cameras, single many pictures of camera, mixing shooting material with
And during floor generation these complex situations of mistake, utilize this camera metadata to carry out Secondary Match process, repair
Positive first time cannot mate or the situation of matching error merely with index file, and this will be greatly improved back set accuracy rate and success
Rate.
In the present embodiment, in the file of editing decision table described in step 3, storage has described transcoding file is carried out editing
Decision table；Described editing decision table file is EDL file or XML file.
Further, described editing decision table file is cutting of Final Cut, Premiere or Avid video clipping software output
Collect decision table file.
Wherein, in described EDL file, the decision table of storage is editing decision lists, the decision-making of storage in described XML file
Table is editor's decision table.Described editing decision table file be described transcoding file is carried out editing after ultimately generate editing time
Top-stitching, and the editing decision table file directly exported by video clipping software.
In the present embodiment, in the file of editing decision table described in step 3, storage has described transcoding file is carried out editing
Decision table；
At editing when described decision table includes the material information of institute's editing material and institute's editing material carries out editing
Reason information；The material information of institute's editing material includes the reel number of this material；Described editing processes information and includes institute's editing material
Carrying out editing point of contact information during editing, described editing point of contact information includes the timecode information of in and out point；
It is fixed to carry out effective material fragment of each original film material in described pending mixing material respectively in step 4
When position and screening, described data handling equipment 1 calls location and the material in described editing decision table file is believed by screening module
Breath and editing process information respectively with raw data index file described in step 202 material of each original film material basic
Information is mated, it is thus achieved that effective material fragment of each original film material.
Further, when in step 4, effective material fragment to each original film material positions respectively and screens, all
Location and the screening technique of effective material fragment of original film material are the most identical；
To when any one described, effective material fragment of original film material positions and screens, process is as follows:
Step 401, original film material determine: according to the element in the described editing decision table file loaded in step 3
Material information, and raw data index file described in integrating step 202, find out this original electricity from described pending mixing material
Shadow material；
Step 402, position and screen: process according to the editing in the described editing decision table file loaded in step 3
Information, when this original film material is carried out editing, the timecode information of in and out point is determined；Determined by further according to
The timecode information of in and out point, in and out point when this original film material is carried out editing is respectively provided with, it is thus achieved that should
Effective material fragment of original film material.
Described effective material fragment is effective editing material.
In the present embodiment, material essential information described in step one also includes that video type, described video type are sequence
Frame or non-sequence frame；
To when any one described, original film material is scanned in step 201, according to storage position sequencing to this
The video information of original film material is scanned one by one, and enters the video type of this original film material according to scanning result
Row judges；
To when any one described, effective material fragment of original film material positions and screens, according in step 201
Judge that the video type of this original film material drawn positions and screens: when step 201 judges draw this original electricity
When the video type of shadow material is sequence frame, positions according to the method described in step 402 and screen；When in step 201
Judgement draws when the video type of this original film material is non-sequence frame, using this original film material as its effective material sheet
Section.
Thus, when judgement show that the video type of this original film material is sequence frame in step 201, illustrate that this is original
Film source material is sequence frame material, otherwise illustrates that this original film material is non-sequence frame material.
In the present embodiment, the process information of editing described in step 3 also includes carrying out institute's editing material specially good effect during editing
Process information, described special effect processing information is cut, folded picture or speed change；Step 402 carries out editing to this original film material
Time in and out point timecode information be determined before, described data handling equipment 1 also needs to call editing decision table analysis
Described special effect processing information is identified by module, when further according to recognition result this original film material being carried out editing access point and
Go out timecode information a little to be determined.Further, access point and going out when this original film material being carried out editing according to recognition result
When the timecode information of point is determined, it is cut when described editing decision table analyze module to identify described special effect processing information
Time, according to the described editing point of contact information in the editing decision table file of this original film material, and integrating step 202 is extracted
The frame per second of this original film material gone out and the frame number at editing point of contact time this original film material is carried out editing, original to this
When film source material carries out editing, the timecode information of in and out point is determined；When module identification analyzed by described editing decision table
When going out described special effect processing information for folded picture, use according to the described editing in the editing decision table file of this original film material
Point of contact information, and combine folded picture length beyond the in and out point of editing, all add the method for material length needed for folded picture, right
When this original film material carries out editing, the timecode information of in and out point is determined；When mould analyzed by described editing decision table
Block identifies described special effect processing information when being speed change, first according to described in the editing decision table file of this original film material
Editing point of contact information, and combine the length of material variable Rate calculating editing used original film material, further according to calculating
The length of editing used original film material this original film material is carried out the timing code letter of in and out point during editing
Breath is determined.
In the present embodiment, pending mixing material described in step one is the original mixed material of made digital movie；
Step 5 completes target material storage dish connect and after storage, it is thus achieved that the target material of made digital movie,
Described target material includes effective material fragment of all original film materials in described pending mixing material；
After completing the connection of target material storage dish and storage in step 5, described data handling equipment 1 also needs to calculate
The shooting of made digital movie averagely shoots bar number than, average lens length and camera lens in flakes.
Wherein, the data volume that digital movie produces in photographing phase is between 30-40TB, and editing is entered acting on behalf of picture
After line nonlinearity editing, carry out overlapping at the end before numeral post-production, really use in flakes the original image data that arrives 2-3TB it
Between, photographed data amount and use in flakes the ratio between data volume to be about 15:1, this ratio be referred to as shooting in flakes than.
Finally showing the camera lens of user in film is editor and director in the editing stage select 1, but real
In the shooting of border, such 1 camera lens needs shooting to be usually 5-10 bar, and native system can analyze such statistics at sweep phase
Data, this sheet averagely gets off how many of 1 lens shooting, and this average bar number is referred to as camera lens and averagely shoots bar number, is one
Statistical result, can provide objective data to sum up by the form of form.
One film has thousands of camera lenses, and native system can count camera lens sum, it is also possible to counts each camera lens
Time span, footage can get average lens length divided by camera lens sum, can analyze which camera lens simultaneously and be much larger than
Or much smaller than average lens length.These are all parts for analytical statement data.
In the present embodiment, described material essential information also includes that story types, described story types are the lattice of material file
Formula type, including ari, dpx, mov, r3d, mxf etc..
In the present embodiment, reel number described in step 201 is in shooting process to store described original film material
Sequence number, shooting play sequence number when field number is to shoot described original film material, lens number is same in film shooting
Bar number numbering (being called for short mirror number) captured by one performance, timecode information is for carry out shooting process to described original film material
Middle digital movie camera self registering time encoding information.
Original film material any one described is scanned by step 201 and material essential information extract time, according to depositing
Storage space is put sequencing and is scanned camera lens pictures all in this original film material one by one, and obtains every according to scanning result
The material essential information of individual camera lens picture.Thus, actual when being scanned, use the method for story board traversal to be scanned, time
Need during going through to analyze the file type (i.e. story types) of each camera lens picture, length, vendor types etc..
In the present embodiment, described digital movie camera is the Germany Ai Lisha serial roentgenography machine of A Lai company, U.S. red
Company's red dragon serial roentgenography machine or Sony corporation of Japan F65 serial roentgenography machine.Different company for technical competition, shooting
Story types is different and feature is clear and definite.Use the present invention that original film material any one described is scanned and material base
During this information retrieval, feature and characteristic thereof according to dissimilar material are analyzed, extract reel number in material, timing code,
The information such as lens number (also referred to as camera lens number), resolution, frame per second.
Original film material any one described is scanned by step 201 and material essential information extract time, scanning should
Every first class catalogue of original film material and file, and judge file suffixes, it is ari, dpx, mov, r3d, mxf etc. for suffix
File (above-mentioned story types accordingly be respectively ari, dpx, mov, r3d, mxf etc.), described data handling equipment 1 records this article
Part is at the store path of raw data storage dish 1.
Wherein, being the file of ari for suffix, in material original path, place folder name is lens number, upwards one
Level catalogue and upper upper level catalogue according to Ai Lisha camera different model or record unit, generally reel number, resolution and
Field information, this information is the important index information of material；
Being the file of r3d for suffix, in the red digital movie camera catalogue of different editions, file organizational form is slightly
Difference, comprises r3d file and mov agents document, at this moment to judge respectively in general afterbody catalogue, record r3d file
Number and routing information, file place catalogue and higher level and top-ranking's catalogue are respectively lens number, field number and reel number information；
Suffix is that the bibliographic structure of the file of dpx is similar with the file that suffix is ari, and suffix is file and the suffix of mov
Bibliographic structure for the file of mxf is similar with the file that suffix is r3d.
So, after having scanned All Files, generate the original of an index information including all original film materials
Material index file.In the present embodiment, when extracting described material essential information, also need to extract the header file of each original film material
Information, records the camera metadata of the first frame of each camera lens, and these information are processing many pictures, mixing material and shooting
During on-the-spot generation these complex situations of mistake, it will the material utilizing this camera metadata to carry out more bottom processes.
In the present embodiment, use the present invention can following four type file be scanned and material essential information extracted:
The first kind, compression video, suffix is mov, mp4, mxf etc.；Equations of The Second Kind, the RAW form of encapsulation, suffix is r3d, mov
(cineform raw), mxf (sony raw) etc.；3rd class, sequence frame picture format, suffix is dpx, tif, j2k etc.；4th
Class, sequence frame RAW form, suffix is ari, dng, exr etc..Wherein, Ai Lisha serial roentgenography machine uses ari form or mov lattice
Formula, red dragon serial roentgenography machine uses r3d form and mov form, and Sony's series generally uses mxf form, and additionally dpx form is Ke
The company that reaches proposes, and is currently mainly applied in specially good effect taking lens, and the feature of various file formats is by asking to camera manufacturer
Ask or consult camera manufacturer information to obtain.
It must be noted that: when extracting the material essential information of original film material, there are 2 kinds of extracting modes, Yi Zhongshi
Being analyzed obtaining by extracting the header file of original film material file, a kind of is the catalogue by original film material file
Structural information obtains.First kind of way needs to carry out file read-write operations, it is adaptable to original film material catalogue and naming method
By complex situations such as third party's amendments, but there is certain calculation consumption；And second way efficiency is the highest, it is adaptable to material is named
Situation about not revised by third party software in accordance with film industry specification, needs in manufacturing process to select to make according to both of these case
With.
In the present embodiment, the most frequently used editing decision table file is that the editing of Final Cut video clipping software output is determined
Plan list file, this document comprises many rails timeline information, can obtain raw data involved by editing by resolving this document
Reel number, editing go out to click and enter dot information and conventional cut, speed change, dissolve, the special effect processing information such as be fade-in fade-out.
Editing complete after generate editing decision table file in need to judge in clip point (also referred to as editing point of contact) be cut,
The folded special effect processing information such as picture, speed change, cut then combines shooting frame per second according to clip point frame number and is converted to into the time-code pointed out
(i.e. timecode information), folded picture then needs to add beyond entering to point out according to folded picture length to fold material length needed for picture, and speed change is then
Need to calculate editing used raw data length according to material variable Rate, increasingly complex speed change adds folded picture can first process speed change again
Process folded picture part, obtained access point and the length of required material by editing decision table analytical calculation after, enter step 4, step
Four is raw data effective material fragment location and screening process, also referred to as material set end process.
Actual when carrying out the material set end, by coupling reel number, filename and timecode information to the original electricity used by editing
Shadow material carries out overlapping the end.
In the present embodiment, when described editing decision table file is loaded, first load and resolve described editing decision table
File obtains clip information, and the information (i.e. material information) such as including editing involved the shooting reel number of material, filename, for former
Beginning film source material type is the material of sequence frame, and the time-code information of in and out point can be exchanged into numeral number information, this numeral
Numbering combines reel number and will uniquely be assigned to entering point frame and going out point frame of original film material；It is non-for original film story types
The material of sequence frame form, set end process will be according to file name information and reel number Information locating to original film material file.So
After, entering set end process, the set end, can be by the index information of the original film material file needed for each editing camera lens and photography
Machine metadata finds, and the shooting material metadata information comprised by camera metadata is (such as resolution of lens, field number, camera lens
The information such as numbering, border time-code), in combination with shooting storage bibliographic structure, the camera of record in raw data index file
The original film material file of different camera types is positioned by the information such as file naming convention, completes original film material
Screening process.
In the present embodiment, data handling equipment 1 described in step 5 calls data memory module by acquisition in step 4
When effective material fragment of all original film materials all copies and stores to target material storage dish 2, according to raw data
In index file, actual stored path and the file of each original film material store information, to material (the i.e. step 4 at the set end
Effective material fragment of all original film materials of middle acquisition) copy and store.
In the present embodiment, between described data handling equipment 1 and raw data storage dish 2 and target material storage dish 3 all
It is attached by USB3.0 interface, thus described data-interface is USB3.0 interface.
Time actually used, raw data stored dish 1 and inserts 10 dish position dish battle arrays, and (i.e. target material is deposited by blank hard disk
Storage dish 3) insert target plate rail, needed for having needed in step 5 to position editing from raw data storage dish 1, material is (the most effective
Editing material) and be copied in blank target material storage dish 3, copy procedure will show copy progress in real time, from
Dynamic distribution blank disc, it is not necessary to manually participate in.Thus, the effective material (i.e. effectively editing Soviet Union word) using the present invention to obtain can be direct
Transfer to, in post-production toning platform, make toning flow process slitless connection with current digital movie.
As shown in the above, after digital movie has shot, the element of multiple different model digital movie camera shooting
Material (the most described original film material) can disperse to be stored in the naked dish (i.e. raw data storage dish 2) of about 20 pieces, first needs
By above-mentioned carry in data handling equipment 1, conveniently material is completed non real-time index；Afterwards, call index file to generate
Module is by the reel number of each original film material (the most original shooting material), lens number, timecode information, resolution, material
Raw data index file is recorded and formed to the information such as type.It is not the original of shooting that film industry carries out the material of editing
Film source material, the resolution of original film material and file are very big, are not suitable for editing, and therefore editing is at original film material
On the basis of complete the high definition transcoding file after the video code conversion of high definition file works and obtains transcoding, this high definition at floor
Containing film reel number, lens number, timecode information etc. in transcoding file, EDL or XML file that editing exports after completing are
The editing decision table file of industry standard, this editing decision table file contain editing during all of editing point of contact information and
Editing special-effect information, the timecode information of in and out point when wherein editing point of contact information is editing, editing special-effect information is special
Effect processes information.When in step 3 loading described editing decision table file, described data handling equipment 1 all calls editing
Timeline is analyzed module and is analyzed the editing point of contact information in editing decision table file and editing special-effect information respectively.Step
When carrying out raw data effective material fragment location and screening in four, according to analyzing the editing point of contact information and editing specially good effect drawn
Information, and combine the index information in raw data index file, just can be to effective editing material of each original film material, i.e.
Can accurately determine scope and the bibliographic structure thereof of original series frame file needed for each original film material editing.Finally, at data
Reason equipment 1 calls effective material fragment of all original film materials that location and screening are obtained by data memory module and all copies
And store to target material storage dish 2, i.e. complete asynchronous copy according to the actual online situation of original film material.
In the present embodiment, described data handling equipment 1 also need to calculate the shooting of made digital movie in flakes than, flat
After all lens length and camera lens averagely shoot bar number, also need call parameters output module by the shooting calculated in flakes than, put down
All lens length and camera lenses averagely shoot bar number and export.During actual output, export with the form of form.Now, also
Story types need to be exported simultaneously.
The employing present invention can be from the film shooting material (the most described pending original film material) of a large amount of (about 40TB)
In extract raw footage material required for the final picture of editing (i.e. effectively editing material).The material set end is to determine according to editing
Reel number in the clip information of plan table, camera lens number, time-code information etc. mate the index information of original film material, reach to pass through
Clip information is accomplished to the accurate corresponding of original photographed data (i.e. original film material).The data volume of a general digital movie
To extract, from original about 40TB data (the most pending mixing material), about the 2TB data that editing decision-making goes out through the set end
(i.e. effectively editing material), film ratio in flakes is at about 20:1.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention
Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention
In the protection domain of art scheme.
Claims (10)
1. a digital movie post-production mixing material set treatment of bottom, it is characterised in that: use data handling equipment
(1) carry out pending mixing material overlapping bottom reason；Described pending mixing material include multiple be respectively stored in multiple original
Original film material in material storage dish (2), described original film material is to use digital movie camera shooting to obtain
Raw data；
When described pending mixing material carries out overlapping bottom reason, comprise the following steps:
Step one, raw data storage dish connect and carry: multiple described raw data storage dish (2) connect by data respectively
After mouth is connected with data handling equipment (1), described data handling equipment (1) calls memorizer carry module to multiple described original
Material storage dish (2) carries out carry respectively；
Step 2, raw data scanner uni index file generate, and process is as follows:
Step 201, raw data scanner uni material essential information are extracted: described data handling equipment (1) calls material scanning mould
The described original film material of storage in each raw data storage dish (2) is scanned by block respectively, and extracts each original electricity
The material essential information of shadow material；
Described material essential information includes reel number, field number, lens number, timecode information, frame per second and resolution；
Step 202, raw data index file generate: described data handling equipment (1) calls index file generation module to step
The material essential information of each original film material extracted in rapid 201 carries out synchronizing storage, it is thus achieved that raw data index file；
In described raw data index file, storage has the material base of all original film materials in described pending mixing material
This information；
Step 3, editing decision table file load: described data handling equipment (1) calls file load module, to editing decision-making
List file loads；
Life when described editing decision table file is that the transcoding file after described pending mixing material video code conversion carries out editing
The editing decision table file become；
Step 4, raw data effective material fragment location and screening: described data handling equipment (1) calls location and screening mould
Block and according to raw data index file described in the editing decision table file loaded in step 3 and step 202, to described
In pending mixing material, effective material fragment of each original film material positions respectively and screens, it is thus achieved that each original film
Effective material fragment of material；
Step 5, target material storage dish connect and storage: target material stores dish (3) by described data-interface and data
After processing equipment (1) connects, it is all original by obtain in step 4 that described data handling equipment (1) calls data memory module
Effective material fragment of film source material all copies and stores to target material storage dish (3).
2. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 1, its feature exists
In: data handling equipment described in step one (1) internal memory contains camera metadata information storehouse；
Described camera metadatabase internal memory contains the camera metadata of the digital movie camera of multiple different model；Every kind
The camera metadata of the digital movie camera of model all includes the performance indications of this type figure cinematograph；
Material essential information described in step 201 also includes camera metadata.
3. overlap treatment of bottom, its feature according to a kind of digital movie post-production mixing material described in claim 1 or 2
It is: in the file of editing decision table described in step 3, storage has the decision table that described transcoding file carries out editing；Described cut
Collecting decision table file is EDL file or XML file.
4. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 3, its feature exists
In: described editing decision table file is the editing decision table literary composition of Final Cut, Premiere or Avid video clipping software output
Part.
5. overlap treatment of bottom, its feature according to a kind of digital movie post-production mixing material described in claim 1 or 2
It is: in the file of editing decision table described in step 3, storage has the decision table that described transcoding file carries out editing；
Editing when described decision table includes the material information of institute's editing material and institute's editing material carries out editing processes letter
Breath；The material information of institute's editing material includes the reel number of this material；Described editing processes information and includes carrying out institute's editing material
Editing point of contact information during editing, described editing point of contact information includes the timecode information of in and out point；
Effective material fragment of each original film material in described pending mixing material is positioned by step 4 respectively and
During screening, described data handling equipment (1) calls location and screening module by the material information in described editing decision table file
The material of each original film material is believed substantially with raw data index file described in step 202 respectively with editing process information
Breath mates, it is thus achieved that effective material fragment of each original film material.
6. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 5, its feature exists
In: when in step 4, effective material fragment to each original film material positions respectively and screens, all original film element
Location and the screening technique of effective material fragment of material are the most identical；
To when any one described, effective material fragment of original film material positions and screens, process is as follows:
Step 401, original film material determine: believe according to the material in the described editing decision table file loaded in step 3
Breath, and raw data index file described in integrating step 202, find out this original film element from described pending mixing material
Material；
Step 402, position and screen: process letter according to the editing in the described editing decision table file loaded in step 3
Breath, when this original film material is carried out editing, the timecode information of in and out point is determined；Enter determined by further according to
Putting and go out timecode information a little, in and out point when this original film material is carried out editing is respectively provided with, it is thus achieved that this is former
Effective material fragment of beginning film source material.
7. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 6, its feature exists
In: material essential information described in step one also includes that video type, described video type are sequence frame or non-sequence frame；
To when any one described, original film material is scanned in step 201, original to this according to storage position sequencing
The video information of film source material is scanned one by one, and sentences the video type of this original film material according to scanning result
Disconnected；
To when any one described, effective material fragment of original film material positions and screens, judge according in step 201
The video type of this original film material drawn positions and screens: when judging to draw this original film element in step 201
When the video type of material is sequence frame, positions according to the method described in step 402 and screen；When step 201 judges
Draw when the video type of this original film material is non-sequence frame, using this original film material as its effective material fragment.
8. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 6, its feature exists
In: the process information of editing described in step 3 also includes carrying out institute's editing material special effect processing information during editing, described spy
It is cut, folded picture or speed change that effect processes information；This original film material is carried out by step 402 in and out point during editing time
Between before code information is determined, described data handling equipment (1) also needs to call editing decision table and analyzes module to described specially good effect
Process information is identified, the timing code letter of in and out point when further according to recognition result this original film material carrying out editing
Breath is determined.
9. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 8, its feature exists
In: when when this original film material being carried out editing according to recognition result, the timecode information of in and out point is determined, when
Described editing decision table is analyzed module and is identified described special effect processing information when being cut, according to the editing of this original film material
Described editing point of contact information in decision table file, and the frame per second of this original film material extracted in integrating step 202 and
The frame number at editing point of contact when this original film material is carried out editing, access point and going out when this original film material is carried out editing
The timecode information of point is determined；Analyze module when described editing decision table and identify described special effect processing information for folded picture
Time, use according to the described editing point of contact information in the editing decision table file of this original film material, and combine folded picture length
The method of material length needed for all picture is folded in interpolation beyond the in and out point of editing, when carrying out editing to this original film material
The timecode information of in and out point is determined；Analyze module when described editing decision table and identify described special effect processing information
During for speed change, first according to the described editing point of contact information in the editing decision table file of this original film material, and combine material
Variable Rate calculates the length of editing used original film material, further according to the editing calculated used original film material
Length time this original film material is carried out editing the timecode information of in and out point be determined.
10. overlapping treatment of bottom according to a kind of digital movie post-production mixing material described in claim 1 or 2, it is special
Levy and be: pending mixing material described in step one is the original mixed material of made digital movie；
Step 5 completes target material storage dish connect and after storage, it is thus achieved that the target material of made digital movie, described
Target material includes effective material fragment of all original film materials in described pending mixing material；
After completing the connection of target material storage dish and storage in step 5, described data handling equipment (1) also needs to calculate institute
The shooting making digital movie averagely shoots bar number than, average lens length and camera lens in flakes.
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| CN109040835A (en) * | 2017-06-08 | 2018-12-18 | 合网络技术（北京）有限公司 | Multimedia data processing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109040835A (en) * | 2017-06-08 | 2018-12-18 | 合网络技术（北京）有限公司 | Multimedia data processing method and device |
| CN109033455A (en) * | 2018-08-27 | 2018-12-18 | 深圳艺达文化传媒有限公司 | The camera lens labeling method and Related product of promotion video |
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