CN104581149B - The skill of video and audio file examines method and system - Google Patents
The skill of video and audio file examines method and system Download PDFInfo
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- CN104581149B CN104581149B CN201510040844.3A CN201510040844A CN104581149B CN 104581149 B CN104581149 B CN 104581149B CN 201510040844 A CN201510040844 A CN 201510040844A CN 104581149 B CN104581149 B CN 104581149B
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Abstract
Method and system is examined the invention discloses a kind of skill of video and audio file, wherein, methods described comprises the following steps：Task is examined according to the material skill received, determines that the total duration T and available skill of the material examine number of servers N；According to the total duration T of material, judge whether the material needs section；If desired for section, it is determined that the quantity of section and being cut into slices；Server, which is examined, to skill sends the careful section task of skill；The skill examines server according to the section task received, and corresponding material section is read into material storage server, and carrying out skill to the section examines；Fruit of being concluded to the skill that the skill examines server collects.Wherein described system collects server, multiple skills including distribution and examines server and material storage server, for storing material and its relevant information.In the present invention, the different paragraphs that server skill examines same material are examined by many skills, takes full advantage of existing resource, and improve skill and examine efficiency.
Description
Technical field
The invention belongs to radio and television playing control system technical field, and in particular to a kind of skill of video and audio file examines side
Method and system.
Background technology
In radio and television broadcast system, examined before the broadcast of video and audio file, it is necessary to carry out skill to it, that is, check
This document is if appropriate for broadcasting, and whether such as meat holds complete, and whether picture clear, if having it is technical such as Ma Saike, it is " black
" (full screen black), " color field " (full screen is colored), " colour bar " (colored strip), frozen frame (a few frame pictures are completely the same), snow
Flower field (snowflake screen), it is Jing Yin the problems such as.
Conventional art is all to use manual type, i.e., judged by professional one by one observes by the naked eye file.But
It is that this mode needs numerous manpowers, and inefficiency.Carried out automatically so tv stations currently broadcast examines server using skill
Skill is examined.The skill of video and audio file is examined by server is automatically performed according to pre-set programs, algorithm.Tv stations currently broadcast is adopted substantially
Examined with single machine skill.This skill examines mode and although solves the drawbacks of artificial skill is examined, but there is also problems with：Problem
One, it is low that skill examines efficiency.Due to the limitation of the factors such as machine performance, the network bandwidth, I/O and decoding efficiency, the efficiency for causing skill careful
Generally in the speed of high definition 3, speed of SD 8 or so (speed of program 3 of such as 1 hour be exactly 20 minutes skills finish the trail complete).Due to skill
It is to broadcast an important step in safety to examine, and skill examines that efficiency is low to cause the slow of whole playing flow path.Especially urgent
The situation of material is uploaded, this skill, which examines efficiency, can not meet this emergent demand.If lifting skill examines efficiency, at present using single
In the case that machine skill is examined, because decoding efficiency is limited, especially when using H.264 or even H.265 encoding, it is difficult to accomplish
There is very big lifting, and in actual applications, possible efficiency can be lower.Second, the utilization of resources is uneven.Using single server skill
In the case of examining, because material is different in size, then task distribution logic can cause multiple servers to be in idle condition, and have one
Platform server is in the state that works long hours, thus can not make full use of existing resource.
The content of the invention
For carrying out the problems such as careful duration of skill, efficiency are low, the careful server-assignment of skill is irregular using single machine at present, this
Invention proposes that a kind of skill of video and audio file examines method and system, and the different sections that server skill examines same material are examined by many skills
Fall, make full use of existing resource, improve skill and examine efficiency.
According to an aspect of the present invention, method is examined the invention provides a kind of skill of video and audio file, wherein, including such as
Lower step：
Task is examined according to the material skill received, determines that the total duration T and available skill of the material examine number of servers
N；
According to the total duration T of material, judge whether the material needs section；If desired for section, it is determined that the quantity of section is simultaneously
Cut into slices；
Server, which is examined, to skill sends the careful section task of skill；
The skill examines server according to the section task received, and corresponding material is read into material storage server and is cut
Piece, carries out skill to the section and examines；
Fruit of being concluded to the skill that the skill examines server collects.
Preferably, examined in the skill of video and audio file of the present invention in method, as the total duration T of material<At 1 minute,
It is not required to section；When the total duration 1 of material<T<10 minutes, be 2 sections by material cutting during and N≤2, first section when
A length of t=(T/2)+M, M<T/2；As the total duration T of material>At 10 minutes, a length of t=(T/N)+Mi when material is cut into
N number of section；Wherein, i=1 is worked as, during 2......N-1, Mi=M, as i=N, Mi=0；And M<T/N.
Preferably, examined in the skill of video and audio file of the present invention in method, the M is all type of error threshold values
Maximum.
Preferably, examined in the skill of video and audio file of the present invention in method, by inquiring about the material storage service
The data message of the material stored in device obtains the total duration T of the material.
Preferably, examined in the skill of video and audio file of the present invention in method, the state of server is examined by inquiring about skill
Obtain available skill and examine number of servers N.
Preferably, examined in the skill of video and audio file of the present invention in method, the skill is examined server and stored to material
When corresponding material section is read in server, the first and last end of respective slice is found according to timestamp, and read the section.
Preferably, examined in the skill of video and audio file of the present invention in method, the skill that the skill examines server is concluded
Fruit is when being collected, if an error has occurred in material cut into slices head and its it is adjacent on all run-outs, and when partially overlapping, then
It is defined by the mistake occurred in all upper run-outs.
According to another aspect of the present invention, the present invention provides a kind of skill of video and audio file and examines system, wherein, including
Distribution collects server, examines task for receiving skill, determines Task Assigned Policy, and fruit of being concluded to skill converges
Always；
Multiple skills examine server, collect server with the distribution and material storage server communicates, receive the distribution
Collect the careful section task of skill that server is sent, corresponding material section is read from the material storage server and carries out skill
Examine, and by skill conclude fruit be sent to it is described distribution collect server；With
Material storage server, for storing material and its relevant information.
Preferably, examined in the skill of video and audio file of the present invention in system, the distribution, which collects server, to be included：
Task receiving module, for examining task from external reception skill；
Section task division module, according to the material total duration T obtained from material storage server and from data storage
The available skill obtained in module examines number of servers N, it is determined whether need the quantity cut into slices and cut into slices；
Section task allocating module, server is examined for section task to be distributed into corresponding skill；
As a result summarizing module, concludes really, fruit of being concluded to skill is carried out for receiving the skill sent from the careful server of the skill
Collect；With
Data memory module, the status information and summarized results of server are examined at least storing skill.
Preferably, examined in the skill of video and audio file of the present invention in system, the section task division module includes
Data collection submodule, judging submodule and section submodule,
The data collection submodule is connected with the material storage server and data memory module respectively, for from
Material storage server obtains material duration T, and the state that skill examines server is inquired about from data memory module, and acquisition can be examined with skill
The quantity N of server；
The material duration T that judging submodule is obtained according to the data collection submodule, judges whether to need section；
Data and the judged result of judging submodule that section submodule is obtained according to data collection submodule, material is cut
Piece is into respective numbers.
By above method and system, the different paragraphs that server skill examines same material are examined by many skills, are taken full advantage of
Existing resource, and improve the careful efficiency of skill.
Brief description of the drawings
By description referring to the drawings to the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1 examines the theory diagram of system for the skill of video and audio file of the present invention；
Fig. 2 collects the structural principle block diagram of server for distribution；
Fig. 3 is the flow chart of the present invention that the careful method of skill is carried out to video and audio file；
Fig. 4 is section schematic diagram；
Fig. 5 is another section schematic diagram.
Embodiment
Fig. 1 is the theory diagram that video and audio file skill of the present invention examines system.System of the present invention includes distribution and converged
Director server 10, multiple skills examine server 21,22 ... 2n and material storage server 30.The distribution collects 10 points of server
Not with multiple skills examine server 21,22 ... 2n and material storage server 30 communicate, each skill examine server respectively with distribution
Collect server 10 with material storage server 30 to be connected.
Distribution collects the careful task of skill that server 10 is used to receive outside input, such as which material to carry out skill to and examines (defeated
Enter skill examine task when, generally only need to input material storage path, duration can also be directly inputted sometimes)；Determine task point
With strategy, such as whether need section, material is cut into how many individual sections, the duration each cut into slices and which skill to examine service by
Device performs these section tasks；And fruit of being concluded to skill collects, such as whether an error has occurred, is which type of for the material
Mistake, continue how long, mistake for even occurring in which position etc., and store after these results are collected and be easy to correlation
Personnel check, or issue corresponding device.
There are multiple skills to examine server or work station (following for convenience of narration, the machine that will be examined for skill in usual TV station
Referred to as skill examines server), but be all unit work, and disperse throughout.In the present invention, by these skills examine server with
The distribution collects server and material storage server is connected, and network consisting is in communication with each other.
The careful server 21 of skill receives the distribution and collects the careful section task of skill that server is sent, from material storage
The section of corresponding material is read in server carry out skill and examine, and skill fruit of concluding is sent to the distribution and collects server.Entering
When row skill is examined, it can detect whether material section has the mistakes such as black field, color field, colour bar, frozen frame using various methods.Each
Type of error has respective threshold value, when the duration that the mistake detected occurs being more than the threshold value, then judges the material
In the presence of this kind of mistake.
Material storage server 30 is used to store material and its relevant information, material format, video/audio encoding and decoding mode etc..
Specifically, the distribution collect server 10 it is specific as shown in Fig. 2 including：
Task receiving module 101, for examining task from external reception skill；
Section task division module 102, according to the material total duration T obtained from material storage server 30 and from data
The available skill obtained in memory module 105 examines number of servers N, it is determined whether need the quantity cut into slices and cut into slices；
Section task allocating module 103, server is examined for section task to be distributed into corresponding skill；
As a result summarizing module 104, conclude really, fruit of being concluded to skill enters for receiving the skill sent from the careful server of the skill
Row collects；With
Data memory module 105, server 21,22 ... 2n state and summarized results are examined for storing at least skill.
And wherein, the section task division module includes data collection submodule 1021, judging submodule 1022 and cut
Piece submodule 1023.The data collection submodule 1021 respectively with the material storage server 30 and data memory module
105 are connected, for from material storage server 30 obtain material duration T (when in incoming task input element ability duration T when,
The duration T is obtained from task receiving module 101), the state that skill examines server is inquired about from data memory module 105, is obtained
The quantity N of server can be examined with skill；The material duration that judging submodule 1022 is obtained according to the data collection submodule 1021
T, judges whether to need section；Data and judging submodule that section submodule 1023 is obtained according to data collection submodule 1021
1022 judged result, respective numbers are sliced into by material.
Referring to Fig. 3, the skill of the video and audio file provided for the present invention examines the flow chart of method, with reference to Fig. 1-3, to the present invention
Described method is described in detail.
Step S100, the task receiving module 101 that distribution collects in server examines task, task tool from external reception skill
Body is to carry out skill to a certain material to examine, and generally includes material storage path；
Data collection submodule 1021 in step S101, section task division module deposits path according to the material, arrives
Material storage server obtains material duration T, and inquires about the state that skill examines server into data memory module 105, and acquisition can
The quantity N of server is examined with skill；Reported because its state can be collected server by the careful server of skill to distribution, therefore, distribution converges
The state that each skill examines server is stored in data memory module 105 by director server, and real-time update.
Step S102, the material duration T that judging submodule is obtained according to the data collection submodule, judges whether needs
Section.Specifically, as the total duration T of material<At 1 minute, section is not required to；When the total duration 1 of material<T<10 minutes, and N≤2
When, by section submodule by material cutting be 2 section, when a length of t=(T/2)+M, M<T/2 section schematic diagrames are as shown in Figure 4；
As the total duration T of material>At 10 minutes, a length of t=(T/N)+Mi N number of section when material is cut into by section submodule；Its
In, work as i=1, during 2......N-1, Mi=M, as i=N, Mi=0；And M<T/N.Wherein, parameter M is all type of errors
The maximum of threshold value.For example：Black field threshold value is 100 frames, and color field threshold value is 50 frames, and frozen frame threshold value is 125 frames, and colour bar threshold value is 1
Frame, then, M values are 125 frames.Schematic diagram of cutting into slices is as shown in Figure 5 (so that 4 are cut into slices as an example.The total length of whole material is T, is put down
4 parts, i.e. T/4 are divided into, except last, first three increases a length M, at that time a length of t1=t2=t3=(T/4)+M,
T4=T/4).As can be seen from Figure 4 and Figure 5, in other sections in addition to last section, it is desirable to which many skills examine one section of M, also
It is that preceding a piece of section tail can mutually repeatedly skill be examined with rear a piece of section head.Advantage of this is that avoiding section phase contact skill from concluding
Fruit confusion or mistake.For example certain material length 3 minutes, is cut to 3, then 1 minute position is phase contact, if there is a mistake
Just started at 55 seconds, continue 30 seconds, then can quote two mistakes, respectively 5 seconds, 25 seconds.If the threshold value of the type of error is
Reporting within 30 seconds (not reported less than 30 seconds), then this mistake is ignored, if not found in manual review link, it is most likely that make
Into the accident of broadcast., thus can be with and the length M that many skills are examined is set to the maximum more than all type of error threshold values by the present invention
Avoiding the skill for producing phase contact from concluding, fruit is chaotic or mistake.
Step S103, section task allocating module 103 examines server to skill and sends the careful section task of skill；
Step S104, the skill examines server according to the section task received, and phase is read into material storage server
The material section answered.Specifically, skill examines the first and last end that server finds respective slice according to timestamp, so that it is determined that the section
And read to the careful server local of skill.
Step S105, the skill examines server and the section progress skill is examined；Skill examine detection material section whether have black field,
The mistakes such as color field, colour bar, frozen frame.Each type of error has respective threshold value, when detect mistake occur it is lasting when
Between when being more than the threshold value, then judge that the material has this kind of mistake.And skill fruit of concluding is sent to distribution and collects server.
Step S106, the skill that distribution collects the careful server of 104 pairs of skills of result summarizing module of server concludes really to enter
Row collects, and overall result storage is arrived into data memory module 105.
According to embodiments of the invention as described above, these embodiments do not have all details of detailed descriptionthe, not yet
It is only described specific embodiment to limit the invention.Obviously, as described above, it can make many modifications and variations.This explanation
Book is chosen and specifically describes these embodiments, is in order to preferably explain the principle and practical application of the present invention, so that affiliated
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The protection model of the present invention
The scope that enclosing should be defined by the claims in the present invention is defined.
Claims (7)
1. a kind of skill of video and audio file examines method, wherein, comprise the following steps：
Distribution collect server according to the material skill received examine task in material storage path, determine the material it is total when
Long T and available skill examine number of servers N；
Distribution collects total duration T of the server according to material, judges whether the material needs section；If desired for section, it is determined that cutting
The quantity of piece is simultaneously cut into slices；
Distribution collects server and examines the careful section task of server transmission skill to multiple skills；
Each skill examines server according to the section task received, and corresponding material section is read into material storage server,
Skill is carried out to the section to examine；
Distribution collect server to the multiple skill examine server skill conclude fruit collect,
Wherein, the run-out of the previous section in the section and the head of latter section repeat skill and examined,
Wherein,
As the total duration T of material<At 1 minute, section is not required to；
When the total duration 1 of material<T<10 minutes, be 2 sections, when a length of t of first section by material cutting during and N≤2
=(T/2)+M, M<T/2；
As the total duration T of material>At 10 minutes, a length of t=(T/N)+Mi N number of section when material is cut into；Wherein, i is worked as
When=1,2......N-1, Mi=M, as i=N, Mi=0；And M<T/N；
The M is the maximum of all type of error threshold values.
2. the skill of video and audio file as claimed in claim 1 examines method, wherein, by inquiring about in the material storage server
The data message of the material of storage obtains the total duration T of the material.
3. the skill of video and audio file as claimed in claim 1 examines method, wherein, the state that server is examined by inquiring about skill is obtained
Available skill examines number of servers N.
4. the skill of video and audio file as claimed in claim 1 examines method, wherein, the skill examines server to material storage service
When corresponding material section is read in device, the first and last end of respective slice is found according to timestamp, and read the section.
5. the skill of video and audio file as claimed in claim 1 examines method, wherein, fruit of being concluded to the skill that the skill examines server enters
Row is when collecting, if an error has occurred in material section head and its it is adjacent on all run-outs, and when partially overlapping, then to send out
The raw mistake in all upper run-outs is defined.
6. a kind of skill of video and audio file examines system, wherein, including
Distribution collects server, examines task for receiving skill, determines Task Assigned Policy, and fruit of being concluded to skill collects；
Multiple skills examine server, collect server with the distribution and material storage server communicates, and receive the distribution and collect
The skill that server is sent examines section task, and corresponding material section progress skill is read from the material storage server and is examined, and
By skill conclude fruit be sent to it is described distribution collect server；With
Material storage server, for storing material and its relevant information,
Wherein, the multiple skill examines server and repeats skill with the head of latter section to the run-out of the previous section in multiple sections
Examine；
Wherein, the distribution, which collects server, includes：
Task receiving module, for examining task from external reception skill；
Section task division module, according to the material total duration T obtained from material storage server and from data memory module
In obtained available skill examine number of servers N, it is determined whether the quantity cut into slices and cut into slices is needed, wherein when the total duration of material
T<Section is not required at 1 minute, when the total duration 1 of material<T<It is 2 by material cutting when 10 minutes and N≤2 to cut into slices, first
When a length of t=(the T/2)+M, M of section<T/2, as the total duration T of material>A length of t=(T/ when material is cut at 10 minutes
N)+Mi N number of section, works as i=1, during 2......N-1, Mi=M, as i=N, Mi=0, and M<T/N, the M are wrong
Miss the maximum of type threshold value；
Section task allocating module, server is examined for section task to be distributed into corresponding skill；
As a result summarizing module, concludes really, fruit of being concluded to skill collects for receiving the skill sent from the careful server of the skill；
With
Data memory module, the status information and summarized results of server are examined at least storing skill.
7. the skill of the video and audio file described in claim 6 examines system, wherein, the section task division module is searched including data
Collect submodule, judging submodule and section submodule,
The data collection submodule is connected with the material storage server and data memory module respectively, for from material
Storage server obtains material duration T, and the state that skill examines server is inquired about from data memory module, and acquisition can examine service with skill
The quantity N of device；
The material duration T that judging submodule is obtained according to the data collection submodule, judges whether to need section；
Data and the judged result of judging submodule that section submodule is obtained according to data collection submodule, material is sliced into
Respective numbers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510040844.3A CN104581149B (en) | 2015-01-27 | 2015-01-27 | The skill of video and audio file examines method and system |
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| CN104581149B true CN104581149B (en) | 2017-08-08 |
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| CN105847787A (en) * | 2016-03-28 | 2016-08-10 | 乐视控股（北京）有限公司 | Media playing list slice time duration detection method and media playing list slice time duration detection device |
| CN111079197B (en) * | 2018-10-10 | 2021-07-09 | 腾讯科技（深圳）有限公司 | Audit result data storage method and device, electronic equipment and medium |
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|---|---|---|---|---|
| CN102006499A (en) * | 2010-12-10 | 2011-04-06 | 北京中科大洋科技发展股份有限公司 | Method for detecting video and audio quality of digital television program file |
| CN102882910A (en) * | 2011-07-15 | 2013-01-16 | 中华电信股份有限公司 | Distributed operation system applied to image monitoring platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101448095B (en) * | 2007-11-28 | 2011-12-28 | 新奥特（北京）视频技术有限公司 | Method and system for reviewing film based on multi-stream |
| CN102137222A (en) * | 2010-01-27 | 2011-07-27 | 新奥特（北京）视频技术有限公司 | Technical system with function of scheduling |
| CN102378037A (en) * | 2010-08-04 | 2012-03-14 | 致伸科技股份有限公司 | Image test method of image acquisition device and image test device using same |
| CN102663005B (en) * | 2012-03-19 | 2014-03-26 | 杭州海康威视数字技术股份有限公司 | Mass video file storage system based on cloud computation, analysis method and system thereof |
| CN104102475B (en) * | 2013-04-11 | 2018-10-02 | 腾讯科技（深圳）有限公司 | The method, apparatus and system of distributed parallel task processing |
| CN103473121A (en) * | 2013-08-20 | 2013-12-25 | 西安电子科技大学 | Mass image parallel processing method based on cloud computing platform |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006499A (en) * | 2010-12-10 | 2011-04-06 | 北京中科大洋科技发展股份有限公司 | Method for detecting video and audio quality of digital television program file |
| CN102882910A (en) * | 2011-07-15 | 2013-01-16 | 中华电信股份有限公司 | Distributed operation system applied to image monitoring platform |
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