CN107979621A

CN107979621A - A kind of storage of video file, positioning playing method and device

Info

Publication number: CN107979621A
Application number: CN201610924040.4A
Authority: CN
Inventors: 李海燕; 许爱秋
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2016-10-24
Filing date: 2016-10-24
Publication date: 2018-05-01
Also published as: WO2018076952A1

Abstract

The embodiment of the invention discloses a kind of storage of video file, positioning playing method and device, this method includes：Frame analysis is carried out to the video file obtained, obtains each offset information of the corresponding timestamp information of I frame data and each I frame data in video file in video file；Generation index file corresponding with the video file, wherein, the corresponding timestamp information of each I frame data and offset information in the video file are included in index file；The video file is stored into cloud storage system, and the index file is stored into the cloud storage system.It can be seen that, when video file is stored into cloud storage system, corresponding generation includes the corresponding timestamp information of each I frame data in video file and the index file of offset information, and positioning playing is carried out to video file in a manner of realizing by the index file and temporally put.

Description

A kind of storage of video file, positioning playing method and device

Technical field

The present invention relates to video cloud field of storage, the more particularly to a kind of storage of video file, positioning playing method and dress Put.

Background technology

The initial positioning of video cloud storage is storage video data, typically produces front end recording arrangement (such as camera) Streaming visual data be directly stored in the memory node of video cloud storage.For directly storing streaming visual data, When playing the streaming visual data of the storage in the later stage, it is only capable of carrying out decoding broadcasting by specific video playback apparatus.One In a little special scenes, if necessary to carry out the shared of video data, the equipment for each sharing the video data is both needed to install the spy Fixed video playback apparatus so that the shared of the video data has limitation.

In order to solve the problems, such as this, video cloud storage adds the store function to video file, i.e., by stream-type video number The form of video file is stored according to this.When streaming visual data is stored in the form of video file, can incite somebody to action Video file is stored into multiple format (such as AVI, WMA, RMVB, RM, FLASH, MP4, MID and 3GP).For above-mentioned video File format, the video playback apparatus of mainstream is playable currently on the market, and solving the problems, such as to share has limitation.

However, for video file, it does not possess the corresponding time attribute of streaming visual data.Therefore, to regarding When frequency file carries out positioning playing, the mode for being only capable of relying on byte offset carries out positioning playing, and there are limitation.

The content of the invention

The embodiment of the invention discloses a kind of storage of video file, positioning playing method and device, to realize temporally The mode of point carries out positioning playing to video file.Concrete scheme is as follows：

On the one hand, an embodiment of the present invention provides a kind of storage method of video file, the described method includes：

Frame analysis is carried out to the video file obtained, obtains each I frame data corresponding time in the video file Stab the offset information of information and each I frame data in the video file；

Generation index file corresponding with the video file, wherein, the video file is included in the index file In the corresponding timestamp information of each I frame data and offset information；

The video file is stored into cloud storage system, and the index file is stored to the cloud storage system In.

Optionally, the method further includes：

Information and end time information between obtaining at the beginning of the video file；

According to local MAC address, the corresponding key assignments of the video file is generated；

After the step stored the video file into cloud storage system, the method further includes：

Receive the store path information on the video file that the cloud storage system is sent；

The corresponding globally unique identifier URL of the video file is generated, wherein, when carrying the beginning in the URL Between information, end time information, the key assignments and the store path information.

Optionally, the video file to being obtained carries out frame analysis, obtains each I frame data in the video file The step of offset information in the video file of corresponding timestamp information and each I frame data, including：

Frame analysis is carried out to the video file that is obtained, obtains each I frame data, corresponding with each I frame data The offset of non-I frame data, the corresponding timestamp information of each I frame data and each I frame data in the video file Information, wherein, the non-I frame data are the data in addition to the I frame data in the video file；

The method further includes；

By each I frame data and corresponding non-I frame data, picture group GOP bags are combined into；

It is described to store the video file into cloud storage system, and the index file is stored to the cloud storage Step in system, including：

The video file is stored into the cloud storage system in the form of the GOP bags, and the index is literary Part is stored to the cloud storage system.

Optionally, the cloud storage system adds pre- setting video when storing the video file for the video file File header, wherein, between the default video file head is included at the beginning of file header identifier, the video file information and The end time information of the video file, or

The knot of information and the video file between the default video file head is included at the beginning of the video file Beam temporal information.

Optionally, video file is stored into cloud storage system by described, and the index file is stored to described Step in cloud storage system, including：

The video file and the index file are stored into the cloud storage system, wherein, the video file It is associated with the index file in a manner of same file name.

Optionally, it is described to store the video file into the cloud storage system in the form of the GOP bags, and will The index file was stored into the step of cloud storage system, including：

I frame data included in the GOP bags are stored into the cloud storage system；

Non- I frame data group bag corresponding with the I frame data in the GOP bags is stored to the cloud storage system, its In, the data volume of the non-I frame data group bag is no more than data-quantity threshold；

The index file is stored to the cloud storage system.

Optionally, it is described by each I frame data and corresponding non-I frame data, the step of being combined into picture group GOP bags it Afterwards, the method further includes：

Record the length information of each GOP bags；

Corresponding each I frame data, the length information is stored in the index file.

Optionally, after the step of generation index file corresponding with the video file, the method is also wrapped Include：

Obtain the frame per second information of the video file；

Corresponding each I frame data, the frame per second information is stored in the index file.

Second aspect, an embodiment of the present invention provides a kind of positioning playing method of video file, the described method includes：

Obtain and the positioning playing of video file is instructed, wherein, carried in the positioning playing instruction on the video The temporal information of the broadcasting to be positioned of file；

According to the temporal information, from the corresponding index file of the video file, determine that the temporal information corresponds to Target I frame data offset information, wherein, the index file includes each I frame data in the video file The offset information of corresponding timestamp information and each I frame data in the video file；

According to the offset information, the video file is read from the target I frame data position；

From video file described in read position positioning playing.

Optionally, before the step of acquisition instructs the positioning playing of video file, the method further includes：

According to globally unique identifier URL, the video file is determined from cloud storage system.

Optionally, the default video file head is believed between including at the beginning of file header identifier, the video file The end time information of breath and the video file；

It is described the video file is determined from cloud storage system process be：

According to file header identifier included in default video file head, video file to be determined is filtered out；

According to the corresponding time started information of video file and end time information in the default video file head, Time started information corresponding with video file entrained in the URL, end time information, key assignments and store path letter Breath, determines the video file from video file to be determined, wherein, the key assignments is according to the upload video file Equipment the value that determines of MAC address.

Optionally, when positioning playing instruction for the instruction of positive sequence positioning playing when, it is described according to the offset information, The step of video file being read from the target I frame data position, including：

According to the offset information, the video file is read from target I frame data position positive sequence, its In, the process that the positive sequence reads the video file is：

According to the sequencing of the corresponding timestamp information of each I frame data in the index file, from the target I frames Data position positive sequence reads the video file.

Optionally, the length information of picture group GOP bags is further included in the index file, wherein, the corresponding bag of each GOP bags Frame data containing I and non-I frame data corresponding with the I frame data, the non-I frame data are except described in the video file Data outside I frame data；

When positioning playing instruction for the instruction of inverted order positioning playing when, it is described according to the offset information, from described Target I frame data position is read the step of video file, including：

According to the offset information, the video file is read from target I frame data position inverted order, its In, the process that the inverted order reads the video file is：

According to the length information of corresponding GOP bags, read from the target I frame data position and complete the target I After GOP bags where frame data, correspondent time information is met to the I frame data of predetermined Reverse Play rule, is determined as new Target I frame data, and the GOP bags where the new target I frame data are read, wherein, the predetermined Reverse Play rule is： It is adjacent with current target I frame data, and the rule before the current corresponding timestamp information of target I frame data Then.

Optionally, the corresponding frame per second information of each I frame data is further included in the index file；

It is described from described in read position positioning playing the step of video file, including：

The corresponding frame per second information of the target I frame data included according to the index file, from the target I frame numbers According to video file described in the positioning playing of position.

The third aspect, an embodiment of the present invention provides a kind of storage device of video file, described device includes：

First obtains module, for carrying out frame analysis to the video file obtained, obtains each I in the video file The offset information of the corresponding timestamp information of frame data and each I frame data in the video file；

First generation module, for generating index file corresponding with the video file, wherein, in the index file Include the corresponding timestamp information of each I frame data and offset information in the video file；

First memory module, for storing the video file into cloud storage system, and the index file is deposited Storage is into the cloud storage system.

Optionally, described device further includes the second acquisition module, the second generation module, information receiving module and the 3rd generation Module；

It is described second obtain module, for obtaining the video file at the beginning of between information and end time information；

Second generation module, for according to local MAC address, generating the video file pair The key assignments answered；

Described information receiving module, the storage road on the video file sent for receiving the cloud storage system Footpath information；

3rd generation module, for it is described by the video file store step into cloud storage system it Afterwards, the corresponding globally unique identifier URL of the video file is generated, wherein, the time started letter is carried in the URL Breath, end time information, the key assignments and the store path information.

Optionally, described first module is obtained, be specifically used for：Frame analysis is carried out to the video file obtained, is obtained every A I frame data, non-I frame data corresponding with each I frame data, the corresponding timestamp information of each I frame data and every Offset information of a I frame data in the video file, wherein, the non-I frame data is remove institute in the video file State the data outside I frame data；

Described device further includes composite module；

The composite module, for by each I frame data and corresponding non-I frame data, being combined into picture group GOP bags；

First memory module, for being stored the video file to the cloud storage in the form of the GOP bags In system, and the index file is stored to the cloud storage system.

Optionally, first memory module, specifically for storing the video file and the index file to institute State in cloud storage system, wherein, the video file is associated with the index file in a manner of same file name.

Optionally, first memory module includes the first storage unit, the second storage unit and the 3rd storage unit；

First storage unit, for storing I frame data included in the GOP bags to the cloud storage system In；

Second storage unit, for non-I frame data group bag corresponding with the I frame data in the GOP bags to be deposited Store up to the cloud storage system, wherein, the data volume of the non-I frame data group bag is no more than data-quantity threshold；

3rd storage unit, for storing the index file to the cloud storage system.

Optionally, described device further includes logging modle and the second memory module；

The logging modle, for by each I frame data and corresponding non-I frame data, being combined into picture group GOP bags After step, the length information of each GOP bags is recorded；

Second memory module, for corresponding to each I frame data, the index file is stored in by the length information In.

Optionally, described device further includes the second acquisition module and the 3rd memory module；

It is described second obtain module, for it is described generation index file corresponding with the video file the step of it Afterwards, the frame per second information of the video file is obtained；

3rd memory module, for corresponding to each I frame data, the index file is stored in by the frame per second information In.

Fourth aspect, an embodiment of the present invention provides a kind of positioning playing device of video file, described device includes：

3rd obtains module, and the positioning playing for obtaining to video file instructs, wherein, in the positioning playing instruction Carry the temporal information of the broadcasting to be positioned on the video file；

First determining module, for according to the temporal information, from the corresponding index file of the video file, determining The offset information of the corresponding target I frame data of the temporal information, wherein, the index file includes the video file In offset information in the video file of the corresponding timestamp information of each I frame data and each I frame data；

Read module, for according to the offset information, the video to be read from the target I frame data position File；

Positioning playing module, for from video file described in read position positioning playing.

Optionally, described device further includes the second determining module；

Second determining module, for according to globally unique identifier URL, the video to be determined from cloud storage system File.

The cloud storage system determines that the process of the video file is：

Optionally, when the positioning playing instruction for positive sequence positioning playing instruction when, the read module, specifically for according to According to the offset information, the video file is read from target I frame data position positive sequence, wherein, the positive sequence The process for reading the video file is：

When positioning playing instruction instructs for inverted order positioning playing, the read module, specifically for according to described in Offset information, the video file is read from target I frame data position inverted order, wherein, the inverted order reads institute The process for stating video file is：

The positioning playing module, corresponds to specifically for the target I frame data included according to the index file Frame per second information, from video file described in the positioning playing of the target I frame data position.

In the present solution, carrying out frame analysis to the video file obtained, each I frame data correspond in acquisition video file Offset information in video file of timestamp information and each I frame data；Generation rope corresponding with the video file Quotation part, wherein, the corresponding timestamp information of each I frame data and offset in the video file are included in index file Information；The video file is stored into cloud storage system, and the index file is stored into the cloud storage system.As it can be seen that When video file is stored into cloud storage system, corresponding generation includes the corresponding timestamp of each I frame data in video file The index file of information and offset information, carries out video file in a manner of being realized by the index file and temporally being put Positioning playing.Certainly, implement any of the products of the present invention or method must be not necessarily required to reach all the above excellent at the same time Point.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.

Fig. 1 is a kind of flow diagram of the storage method of video file provided in an embodiment of the present invention；

Fig. 2 is the schematic diagram for the file format that cloud storage system stores video file；

Fig. 3 is a kind of storage format schematic diagram of index file；

Fig. 4 is a kind of file format schematic diagram of index file；

Fig. 5 is a kind of flow diagram of the positioning playing method of video file provided in an embodiment of the present invention；

Fig. 6 is a kind of structure diagram of the storage device of video file provided in an embodiment of the present invention；

Fig. 7 is a kind of structure diagram of the positioning playing device of video file provided in an embodiment of the present invention.

Embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts Embodiment, belongs to the scope of protection of the invention.

An embodiment of the present invention provides a kind of storage of video file, positioning playing method and device, to realize temporally The mode of point carries out positioning playing to video file.

A kind of storage method of the video file provided first below the embodiment of the present invention is introduced.Wherein, depending on The storage method of frequency file can be applied on video file storage, the platform device played, which can be visitor Family end, server and any other electronic equipment that can be connected to cloud storage system.

As shown in Figure 1, an embodiment of the present invention provides a kind of storage method of video file, may include steps of：

S101：Frame analysis is carried out to the video file that is obtained, obtain each I frame data in the video file it is corresponding when Between stab offset information in the video file of information and each I frame data；

It is understood that video file includes video file head and video file data body, wherein, video file head In include the global information of video file, such as flow the quantity of (video or audio), video image it is wide and high.To video When file carries out frame analysis, the video file head (such as preceding 40 bytes) of the video file is read first, is stored using it Global information follow-up video file data body is analyzed, in the analysis process, obtain each I frames in the video file The offset information of the corresponding timestamp information of data and each I frame data in the video file.It is it is understood that preceding Recording arrangement (such as camera) is held during the video file is recorded, for each I frame data mark pair of the video file The timestamp information answered.In frame analytic process, the data volume of each video frame can be obtained, and then each I frames can be obtained Offset information of the data in the video file.Wherein, which can use the prior art, not do herein superfluous State.

Further, before carrying out frame analysis to video file, it is necessary first to obtain the video file.User can be flat at this Store path information of the input video file in platform device in platform equipment, the platform device obtain the store path information, And according to the store path information, the video file is obtained from platform device.

In addition, user can be with the corresponding video file type of input video file, so that platform device can be with this The corresponding decoding process of video file type decodes the video file.

S102：Generation index file corresponding with the video file, wherein, included in index file in the video file The each corresponding timestamp information of I frame data and offset information；

According to the sequencing of the corresponding timestamp information of each I frame data, by obtained each I frame data it is corresponding when Between stab information and offset information and be stored in index file.

The index file can be stored with binary file format or with common text file format Stored, this is all possible.When being stored with binary file format, which obtains in the index file After the information stored, without being changed again into row information；When being stored with common text file format, the platform device Obtain after the information stored in the index file, it is necessary to change (being converted to binary file) into row information.Wherein, citing and Speech：When storing index file, the filename of the index file could be provided as file KEY+index：FileKey.index.

S103：The video file is stored into cloud storage system, and the index file is stored into cloud storage system.

It should be noted that the platform device is by calling uploaded videos file interface to store the video file obtained Into cloud storage system, and by calling uploaded videos file interface to store the index file into cloud storage system, wherein, The uploaded videos file interface is the newly-increased interface of cloud storage system side, and platform device can call the uploaded videos file interface Video file is stored to cloud storage system.

In a kind of specific implementation, third party's video file and subtract that cloud storage system was accessed for the compatible later stage Few modification to itself original playback interface, cloud storage system are storing video file (such as：Equipment is by calling uploaded videos File interface is stored to the video file of cloud storage system) when, the video file to be stored with the addition of default video file head, As shown in Figure 2.Wherein, between which is included at the beginning of file header identifier, the video file information and The end time information of the video file, or the default video file head include at the beginning of the video file between information with The end time information of the video file, this is preset in video file head there are reserved bit, to carry out follow-up information (such as：Depending on Frequency file type, video file backup quantity etc.) increase.The playback interface is used for the playback for providing video file to the user Function services.The playback interface needs to preset the information that video file head included by this, and video file is decoded.For Reduce the modification to original playback interface, in the embodiment of the present invention, cloud storage system is when storing video file, it is necessary to be The default video file head of video file addition.

It is described to store video file into cloud storage system in a kind of specific implementation, and by the index file The step into cloud storage system is stored, can be included：

The video file and the index file are stored into cloud storage system, wherein, the video file and index text Part is associated in a manner of same file name.

It is understood that due between video file and index file there are correspondence, by video file and rope , it is necessary to be associated to the video file with index file, wherein it is possible to identical when quotation part is stored into cloud storage system The mode of filename is associated.Further, video file and index can also be carried out in a manner of adding different suffix The differentiation of file, such as：The corresponding suffix of video file can be set (such as according to video file format：Avi, wma or rmvb Deng), the suffix of corresponding index file can be " index ".

Using the embodiment of the present invention, frame analysis is carried out to the video file obtained, obtains each I frame numbers in video file According to the offset information of corresponding timestamp information and each I frame data in video file；Generation and the video file pair The index file answered, wherein, in index file include the video file in the corresponding timestamp information of each I frame data and Offset information；The video file is stored into cloud storage system, and the index file is stored into the cloud storage system. As it can be seen that when video file is stored into cloud storage system, corresponding generation is comprising when each I frame data are corresponding in video file Between stab the index file of information and offset information, to video file in a manner of being realized by the index file and temporally put Carry out positioning playing.

In a kind of specific implementation, the storage method of video file that the embodiment of the present invention is provided a kind of can be with Including：

After the step stored video file into cloud storage system, one kind that the embodiment of the present invention is provided The storage method of video file can also include：

Receive the store path information on video file that cloud storage system is sent；

The corresponding globally unique identifier URL of the video file is generated, wherein, time started information, knot are carried in the URL Beam temporal information, the key assignments and store path information.

It is understood that for the local video file stored, that is, regarding of being stored of above-mentioned platform device Frequency file, can be distinguished by the corresponding time started information of video file with end time information.Further, due to Local MAC Address Existence and uniquenss, i.e. the MAC Address Existence and uniquenss due to platform device, in order to ensure the video file Uniqueness, the key assignments of the video file can be calculated according to the MAC Address of platform device.Wherein, for the calculating of the key assignments Process can be that MD5 (Message Digest Algorithm, Message Digest 5 the are carried out to the MAC Address of platform device Five editions) computing, and universal unique identifier UUID codings are carried out to operation result；Coding acquired results are determined as video text The corresponding key assignments of part.

In order to ensure that user can accurately find the video file, video file is being stored in cloud storage system Afterwards, which can return to the store path on the video file to platform device.And then platform device generation regards The corresponding URL of frequency file, wherein, time started information, end time information, the key assignments and store path are carried in the URL Information, the video file can be uniquely found by the URL from cloud storage system.

In addition, information and end time information between obtaining at the beginning of the video file, can broadcast in video file Put correspondence in interface and depict the time shaft comprising the time range, be shown.Wherein, time range is believed by the time started Breath and end time information determine.

In a kind of specific implementation, the video file to being obtained carries out frame analysis, obtains the video file In each offset information of the corresponding timestamp information of I frame data and each I frame data in the video file step Suddenly, including：

Frame analysis is carried out to the video file that is obtained, obtains each I frame data, non-I corresponding with each I frame data The offset information of frame data, the corresponding timestamp information of each I frame data and each I frame data in the video file, Wherein, which is the data in addition to the I frame data in the video file；

A kind of storage method for video file that the embodiment of the present invention is provided can also include；

It is described to store the video file into cloud storage system, and the index file is stored into cloud storage system Step, including：

The video file is stored into cloud storage system in the form of GOP bags, and the index file is stored to cloud and is deposited Storage system.

In frame analytic process is carried out, the corresponding non-I frame data of each I frame data and I frame data can also be obtained, when After analyzing I frame data, data between the I frame data and previous I frame data are the corresponding non-I frames of previous I frame data Data, the previous I frame data are combined into a GOP bag with corresponding non-I frame data, wherein, which includes I The corresponding B/P frame data of frame data.Platform device stores video file to cloud storage system in the form of GOP bags.

Cloud storage system stores the video file in chronological order, i.e., I frame data correspond to as included in video file Timestamp information sequencing, store the video file.It is understood that video cloud storage is included in cloud storage system Management node CVM and video cloud storage memory node CVS, wherein, CVM is used for management and running each CVS, and CVS is used to store Video file and streaming visual data.Video file can be divided into multiple data segments by cloud storage system, be stored in different In CVS, wherein, each data segment stored in each CVS is started with I frame data, and included in each data segment Video data be complete GOP bags, and temporally stab information sequencing storage.

It is described to store the video file to the cloud in the form of the GOP bags in a kind of specific implementation In storage system, and the index file was stored into the step of cloud storage system, including：

I frame data included in GOP bags are stored into cloud storage system；

Non- I frame data group bag corresponding with the I frame data in GOP bags is stored to cloud storage system, wherein, the non-I frames The data volume of data group bag is no more than data-quantity threshold；

The index file is stored to cloud storage system.

It should be noted that when being stored video file to cloud storage system in the form of GOP bags, first by GOP bags In I frame data send to cloud storage system, then retransmit non-I frame data in GOP bags to cloud storage system.Generally, The data volume size of B/P frame frame datas in non-I frame data, between 200K, if in transmission process, is sent out every time in several K Send and only send a frame B/P frame data, larger Internet resources can be consumed.Therefore, in order to reduce the consumption to Internet resources, at this When platform device sends non-I frame data by uploaded videos file interface to cloud storage system, it is necessary to right in inventive embodiments Non- I frame data package transmission, and in order to ensure the stability of network, send the data volume of non-I frame data group bag every time No more than data-quantity threshold, wherein, which can be adjusted according to Network status, and the general data-quantity threshold is 512K.It is emphasized that do not package in transmission process to I frame data.

It is described by each I frame data and corresponding non-I frame data in a kind of specific implementation, it is combined into picture After the step of group GOP bags, a kind of storage method for video file that the embodiment of the present invention is provided can also include：

Record the length information of each GOP bags；

Corresponding each I frame data, length information is stored in index file.

It is understood that I frames are key frame, in follow-up playing video file, non-I frame data are required to reference to right I frame data are answered to play, therefore, video file needs expliciting the position to each I frame data in Reverse Play process, and Need to be pin-pointed to each GOP bags, and then carry out the Reverse Play of video file.In order to preferably realize the positioning of GOP bags, Also need to record the length information of each GOP bags in the index file, and the length information is corresponded into each I frame data and is deposited Storage.

In a kind of specific implementation, it is described generation index file corresponding with the video file the step of it Afterwards, a kind of storage method for video file that the embodiment of the present invention is provided can also include：

Obtain the frame per second information of the video file；

Corresponding each I frame data, frame per second information is stored in index file.

It is understood that also needed to during video is played according to frame per second information.In order to ensure to regard in Reverse Play During frequency file, the correct broadcasting of video file, it is also necessary to obtain the frame per second information of the video file, corresponding each I frame numbers According to being stored in index file.Wherein, a kind of storage format schematic diagram of index file is as shown in figure 3, wherein, the index file In there are reserved bit, for follow-up increase other information.As shown in figure 4, the file format for index file.

As shown in figure 5, an embodiment of the present invention provides a kind of positioning playing method of video file, following step can be included Suddenly：

S501：Obtain and the positioning playing of video file is instructed, wherein, carried in positioning playing instruction on video text The temporal information of the broadcasting to be positioned of part；

Obtained using the prior art and the positioning playing of video file is instructed.Follow-up regards according to positioning playing instruction The positioning playing that frequency file is temporally put.Wherein, positioning playing instruction can be that user is fixed by inputting a certain hope The time point (time point in corresponding video file) that position plays, and the instruction triggered；Either user is by dragging progress Bar and the instruction triggered.Wherein, the timestamp information of each I frame data of corresponding video file is mapped with the progress bar.

S502：According to temporal information, from the corresponding index file of video file, the corresponding target of the temporal information is determined The offset information of I frame data, wherein, which includes each I frame data corresponding time in the video file Stab the offset information of information and each I frame data in the video file；

It is understood that the temporal information of broadcasting to be positioned entrained in matching positioning playing instruction, and index The corresponding timestamp information of each I frame data that file includes, and then, determine that the offset of corresponding target I frame data is believed Breath.Wherein, temporal information timestamp information corresponding with each I frame data may be not exclusively corresponding, can will be with the time The offset information of the corresponding I frame data of the most similar timestamp information of information, is determined as the offset letter of target I frame data Breath.Wherein, which is associated with the index file by same file name, can directly be determined by filename Index file corresponding with video file.

S503：According to the offset information, the video file is read from target I frame data position；

S504：From read position positioning playing video file.

After the offset information that target I frame data are determined from index file, according to the offset information from corresponding Target I frame data are navigated in video file, and the video file is read since target I frame data position.And then From read position, the read video file of positioning playing.Wherein, reading and playing video file can use existing Technology, this will not be repeated here.

Using the embodiment of the present invention, the positioning playing instruction to video file is obtained, carries and closes in positioning playing instruction In the temporal information of the broadcasting to be positioned of the video file；According to temporal information, from the corresponding index file of video file, really The offset information of the corresponding target I frame data of the fixed temporal information, wherein, index file includes every in the video file The offset information of a corresponding timestamp information of I frame data and each I frame data in the video file；According to the offset Information is measured, video file is read from target I frame data position；From read position positioning playing video file.With Realize that the mode temporally put carries out positioning playing to video file according to the index file.

In a kind of specific implementation, before the step of acquisition instructs the positioning playing of video file, this A kind of positioning playing method for video file that inventive embodiments are provided can also include：

According to globally unique identifier URL, video file is determined from cloud storage system.

Platform device calls cloud storage API (such as according to the corresponding URL of video file：File polling interface) from cloud storage Video file is determined in system.

Further, between the default video file head is included at the beginning of file header identifier, the video file The end time information of information and the video file；

It is described video file is determined from cloud storage system process be：

The corresponding time started information of video file and the end time information in video file head are preset according to this, and The entrained corresponding time started information of video file, end time information, key assignments and store path information in URL, from The video file is determined in video file to be determined, wherein, which is the media access control MAC according to platform device The value that address determines.

By file header identifier included in default video file head, it can identify whether file is video text Part.According to the corresponding time started information of video file entrained in the URL, end time information, and pre- setting video text Information and end time information between at the beginning of the correspondence video file recorded in part head, from be stored in the URL carrying deposit Store up in the video file in the corresponding store path of routing information, determine corresponding video file, and utilize entrained key Value examines the accuracy of the video file.

In a kind of specific implementation, when positioning playing instruction instructs for positive sequence positioning playing, the foundation Offset information, the step of reading the video file from target I frame data position, can include：

According to offset information, from target I frame data position, positive sequence reads the video file, wherein, the positive sequence The process for reading the video file is：

According to the sequencing of the corresponding timestamp information of each I frame data in the index file, from target I frame data Position positive sequence reads the video file.

It is understood that the timestamp letter for each I frame data being stored with index file in corresponding video file Breath and offset information, the sequencing according to the timestamp information of each I frame data in index file, it may be determined that each The reading order of I frame data, passes through the corresponding offset information of each I frame data, it may be determined that each I frame data are in video text Position in part, and then, it may be determined that go out the corresponding position of target I frame data, be successively read from target I frame data position The video file.

In a kind of specific implementation, the length information of picture group GOP bags can also be included in the index file, its In, each GOP bags correspondence includes I frame data and non-I frame data corresponding with the I frame data, which is the video Data in file in addition to the I frame data；

It is described according to offset information when positioning playing instruction instructs for inverted order positioning playing, from target I frames Data position is read the step of video file, including：

According to offset information, video file is read from target I frame data position inverted order, wherein, which reads The process for taking video file is：

According to the length information of corresponding GOP bags, read from target I frame data position and complete target I frame numbers After the GOP bags at place, correspondent time information is met to the I frame data of predetermined Reverse Play rule, is determined as new target I Frame data, and the GOP bags where the new target I frame data are read, wherein, which is：With it is current Target I frame data are adjacent, and the rule before the corresponding timestamp information of target I frame data in this prior.

Since I frames are key frame, in playing video file, non-I frame data need just broadcast with reference to corresponding I frame data Put, when inverted order positioning playing video file, it is necessary to be pin-pointed to GOP bags, when the target I frame data pair for finishing playing current After the GOP bags answered, it is thus necessary to determine that go out the corresponding GOP bags of previous I frame data, and then play out, which is It is adjacent with current target I frame data, and the I frame numbers before the corresponding timestamp information of target I frame data in this prior According to.

Wherein, video cloud storage management node CVM and video cloud storage memory node CVS is included in cloud storage system, its In, which is used for management and running each CVS, the CVS for storing video file (and streaming visual data).In cloud storage system System storage video file, may be dispatched by CVM and store into different CVS, i.e., the video file is divided into multiple data segments point It is not stored in different CVS.Platform device instructed according to positioning playing in temporal information, determined from index file pair After the offset information for the target I frame data answered, platform device by dispatch cloud storage API by CVM inquire storage this regard The CVS information (namely storing information) of frequency file, and then, read corresponding content (mesh from the corresponding CVS of the CVS information GOP bags where marking I frame data).

In a kind of specific implementation, playing video file is also needed to according to corresponding frame per second information, specifically, described It can also include the corresponding frame per second information of each I frame data in index file；

The corresponding frame per second information of target I frame data included according to the index file, where from target I frame data The position positioning playing video file.

It is understood that being directed in index file in the corresponding information of each I frame data, frame per second information is stored with, From any I frame data positioning playing video file, all it is possible.

Corresponding to above method embodiment, an embodiment of the present invention provides a kind of storage device of video file, such as Fig. 6 institutes Show, described device can include：

First obtains module 610, for carrying out frame analysis to the video file obtained, obtains every in the video file The offset information of a corresponding timestamp information of I frame data and each I frame data in the video file；

First generation module 620, for generating index file corresponding with the video file, wherein, the index text The corresponding timestamp information of each I frame data and offset information in the video file are included in part；

First memory module 630, for storing the video file into cloud storage system, and by the index file Store into the cloud storage system.

In a kind of specific implementation, described device further includes the second acquisition module, the second generation module, information and receives Module and the 3rd generation module；

In a kind of specific implementation, described first obtains module, is specifically used for：The video file obtained is carried out Frame is analyzed, and obtains each I frame data, non-I frame data corresponding with each I frame data, each I frame data corresponding time The offset information of information and each I frame data in the video file is stabbed, wherein, the non-I frame data regard to be described Data in frequency file in addition to the I frame data；

Described device further includes composite module；The composite module, for by each I frame data and corresponding non-I frames Data, are combined into picture group GOP bags；

In a kind of specific implementation, the cloud storage system is video text when storing the video file Part addition default video file head, wherein, the default video file head includes file header identifier, the video file The end time information of time started information and the video file, or

In a kind of specific implementation, first memory module, specifically for by the video file and the rope Quotation part is stored into the cloud storage system, wherein, the video file is with the index file with the side of same file name Formula is associated.

In a kind of specific implementation, first memory module include the first storage unit, the second storage unit and 3rd storage unit；

3rd storage unit, for storing the index file to the cloud storage system.

In a kind of specific implementation, described device further includes logging modle and the second memory module；

In a kind of specific implementation, described device further includes the second acquisition module and the 3rd memory module；

Corresponding to above method embodiment, the embodiment of the present invention additionally provides a kind of positioning playing device of video file, As shown in fig. 7, described device can include：

3rd obtains module 710, and the positioning playing for obtaining to video file instructs, wherein, the positioning playing refers to The temporal information of the broadcasting to be positioned on the video file is carried in order；

First determining module 720, for according to the temporal information, from the corresponding index file of the video file, Determine the offset information of the corresponding target I frame data of the temporal information, wherein, the index file includes the video The offset letter of the corresponding timestamp information of each I frame data and each I frame data in the video file in file Breath；

Read module 730, described according to the offset information, being read from the target I frame data position Video file；

Positioning playing module 740, for from video file described in read position positioning playing.

In a kind of specific implementation, described device further includes the second determining module；

In a kind of specific implementation, the default video file head includes file header identifier, video text Information and the end time information of the video file between at the beginning of part；The cloud storage system determines the video file Process is：

In a kind of specific implementation, when positioning playing instruction instructs for positive sequence positioning playing, the reading Module, specifically for according to the offset information, the video text is read from target I frame data position positive sequence Part, wherein, the process that the positive sequence reads the video file is：

In a kind of specific implementation, the length information of picture group GOP bags is further included in the index file, wherein, Each GOP bags correspondence includes I frame data and non-I frame data corresponding with the I frame data, and the non-I frame data are described Data in video file in addition to the I frame data；

In a kind of specific implementation, the corresponding frame per second information of each I frame data is further included in the index file；

For systems/devices embodiment, since it is substantially similar to embodiment of the method, so the comparison of description is simple Single, the relevent part can refer to the partial explaination of embodiments of method.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there are other identical element in process, method, article or equipment including the key element.

Can one of ordinary skill in the art will appreciate that realizing that all or part of step in above method embodiment is To instruct relevant hardware to complete by program, the program can be stored in computer read/write memory medium, The storage medium designated herein obtained, such as：ROM/RAM, magnetic disc, CD etc..

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention It is interior.

Claims

A kind of 1. storage method of video file, it is characterised in that the described method includes：

Frame analysis is carried out to the video file that is obtained, the corresponding timestamp of each I frame data in the video file is obtained and believes Breath and each offset information of the I frame data in the video file；

Generation index file corresponding with the video file, wherein, included in the index file in the video file The each corresponding timestamp information of I frame data and offset information；

The video file is stored into cloud storage system, and the index file is stored into the cloud storage system.
2. according to the method described in claim 1, it is characterized in that, the method further includes：

Information and end time information between obtaining at the beginning of the video file；

According to local MAC address, the corresponding key assignments of the video file is generated；

After the step stored the video file into cloud storage system, the method further includes：

Receive the store path information on the video file that the cloud storage system is sent；

The corresponding globally unique identifier URL of the video file is generated, wherein, the time started letter is carried in the URL Breath, end time information, the key assignments and the store path information.
3. according to the method described in claim 1, it is characterized in that, the video file progress frame analysis to being obtained, is obtained In the video file each corresponding timestamp information of I frame data and each I frame data in the video file The step of offset information, including：

Frame analysis is carried out to the video file obtained, obtains each I frame data, non-I frames corresponding with each I frame data The offset information of data, the corresponding timestamp information of each I frame data and each I frame data in the video file, Wherein, the non-I frame data are the data in addition to the I frame data in the video file；

The method further includes；

By each I frame data and corresponding non-I frame data, picture group GOP bags are combined into；

It is described to store the video file into cloud storage system, and the index file is stored to the cloud storage system In step, including：

The video file is stored into the cloud storage system in the form of the GOP bags, and the index file is deposited Store up to the cloud storage system.
4. according to claim 1-3 any one of them methods, it is characterised in that the cloud storage system is storing the video During file, video file head is preset for video file addition, wherein, the default video file head includes file header label Information and the end time information of the video file between at the beginning of knowledge symbol, the video file, or

Between the default video file head is included at the beginning of the video file at the end of information and the video file Between information.
5. according to claim 1-3 any one of them methods, it is characterised in that store video file to cloud storage by described In system, and the index file is stored to the step in the cloud storage system, including：

The video file and the index file are stored into the cloud storage system, wherein, the video file and institute Index file is stated to be associated in a manner of same file name.
6. according to the method described in claim 3, it is characterized in that, it is described by the video file in the form of the GOP bags Store into the cloud storage system, and the index file was stored into the step of cloud storage system, including：

I frame data included in the GOP bags are stored into the cloud storage system；

Non- I frame data group bag corresponding with the I frame data in the GOP bags is stored to the cloud storage system, wherein, institute The data volume for stating non-I frame data group bag is no more than data-quantity threshold；

The index file is stored to the cloud storage system.
It is 7. according to the method described in claim 3, it is characterized in that, described by each I frame data and corresponding non-I frame numbers According to after the step of being combined into picture group GOP bags, the method further includes：

Record the length information of each GOP bags；

Corresponding each I frame data, the length information is stored in the index file.
8. according to the method described in claim 3, it is characterized in that, in generation index text corresponding with the video file After the step of part, the method further includes：

Obtain the frame per second information of the video file；

Corresponding each I frame data, the frame per second information is stored in the index file.
9. a kind of positioning playing method of video file, it is characterised in that the described method includes：

Obtain and the positioning playing of video file is instructed, wherein, carried in the positioning playing instruction on the video file Broadcasting to be positioned temporal information；

According to the temporal information, from the corresponding index file of the video file, the corresponding mesh of the temporal information is determined The offset information of I frame data is marked, wherein, each I frame data that the index file is included in the video file correspond to Offset information in the video file of timestamp information and each I frame data；

According to the offset information, the video file is read from the target I frame data position；

From video file described in read position positioning playing.
10. according to the method described in claim 9, it is characterized in that, the positioning playing of video file is instructed in described obtain The step of before, the method further includes：

According to globally unique identifier URL, the video file is determined from cloud storage system.
11. according to the method described in claim 10, it is characterized in that, the default video file head includes file header mark Information and the end time information of the video file between at the beginning of symbol, the video file；

It is described the video file is determined from cloud storage system process be：

According to file header identifier included in default video file head, video file to be determined is filtered out；

According to the corresponding time started information of video file and end time information in the default video file head, and institute The corresponding time started information of video file, end time information, key assignments and store path information entrained in URL are stated, The video file is determined from video file to be determined, wherein, the key assignments is according to the upload video file The value that the MAC address of equipment determines.
12. according to the method described in claim 9, it is characterized in that, when positioning playing instruction refers to for positive sequence positioning playing It is described according to the offset information when making, the step of reading the video file from the target I frame data position, Including：

According to the offset information, the video file is read from target I frame data position positive sequence, wherein, institute State positive sequence and read the process of the video file and be：

According to the sequencing of the corresponding timestamp information of each I frame data in the index file, from the target I frame data Position positive sequence reads the video file.
13. according to the method described in claim 9, it is characterized in that, the length of picture group GOP bags is further included in the index file Information is spent, wherein, each GOP bags correspondence includes I frame data and non-I frame data corresponding with the I frame data, the non-I Frame data are the data in addition to the I frame data in the video file；

It is described according to the offset information when positioning playing instruction instructs for inverted order positioning playing, from the target I Frame data position is read the step of video file, including：

According to the offset information, the video file is read from target I frame data position inverted order, wherein, institute State inverted order and read the process of the video file and be：

According to the length information of corresponding GOP bags, read from the target I frame data position and complete the target I frame numbers After the GOP bags at place, correspondent time information is met to the I frame data of predetermined Reverse Play rule, is determined as new target I Frame data, and the GOP bags where the new target I frame data are read, wherein, the predetermined Reverse Play rule is：With working as Preceding target I frame data are adjacent, and the rule before the current corresponding timestamp information of target I frame data.
14. according to the method described in claim 9, corresponded to it is characterized in that, further including each I frame data in the index file Frame per second information；

It is described from described in read position positioning playing the step of video file, including：

The corresponding frame per second information of the target I frame data included according to the index file, from the target I frame data institute In video file described in the positioning playing of position.
15. a kind of storage device of video file, it is characterised in that described device includes：

First obtains module, for carrying out frame analysis to the video file obtained, obtains each I frame numbers in the video file According to the offset information of corresponding timestamp information and each I frame data in the video file；

First generation module, for generating index file corresponding with the video file, wherein, included in the index file The corresponding timestamp information of each I frame data and offset information in the video file；

First memory module, for storing the video file into cloud storage system, and by the index file store to In the cloud storage system.
16. device according to claim 15, it is characterised in that described device further includes the second acquisition module, the second life Into module, information receiving module and the 3rd generation module；

It is described second obtain module, for obtaining the video file at the beginning of between information and end time information；

Second generation module, for according to local MAC address, it is corresponding to generate the video file Key assignments；

Described information receiving module, believes for receiving the store path on the video file that the cloud storage system is sent Breath；

3rd generation module, it is raw for after the step stored the video file into cloud storage system Into the corresponding globally unique identifier URL of the video file, wherein, the time started information is carried in the URL, is terminated Temporal information, the key assignments and the store path information.
17. device according to claim 15, it is characterised in that described first obtains module, is specifically used for：To being obtained Video file carry out frame analysis, obtain each I frame data, non-I frame data corresponding with each I frame data, each I frames The offset information of the corresponding timestamp information of data and each I frame data in the video file, wherein, the non-I Frame data are the data in addition to the I frame data in the video file；

Described device further includes composite module；

The composite module, for by each I frame data and corresponding non-I frame data, being combined into picture group GOP bags；

First memory module, for being stored the video file to the cloud storage system in the form of the GOP bags In, and the index file is stored to the cloud storage system.
18. according to claim 15-17 any one of them devices, it is characterised in that the cloud storage system is described in storage During video file, video file head is preset for video file addition, wherein, the default video file head includes file Information and the end time information of the video file between at the beginning of head identifier, the video file, or

Between the default video file head is included at the beginning of the video file at the end of information and the video file Between information.
19. according to claim 15-17 any one of them devices, it is characterised in that first memory module, is specifically used for The video file and the index file are stored into the cloud storage system, wherein, the video file and the rope Quotation part is associated in a manner of same file name.
20. device according to claim 17, it is characterised in that first memory module include the first storage unit, Second storage unit and the 3rd storage unit；

First storage unit, for storing I frame data included in the GOP bags into the cloud storage system；

Second storage unit, for by non-I frame data group bag corresponding with the I frame data in the GOP bags store to The cloud storage system, wherein, the data volume of the non-I frame data group bag is no more than data-quantity threshold；

3rd storage unit, for storing the index file to the cloud storage system.
21. device according to claim 17, it is characterised in that described device further includes logging modle and the second storage mould Block；

The logging modle, the step of for by each I frame data and corresponding non-I frame data, being combined into picture group GOP bags Afterwards, the length information of each GOP bags is recorded；

Second memory module, for corresponding to each I frame data, the length information is stored in the index file.
22. device according to claim 17, it is characterised in that described device further includes the second acquisition module and the 3rd and deposits Store up module；

Described second obtains module, for after the step of generation index file corresponding with the video file, obtaining Obtain the frame per second information of the video file；

3rd memory module, for corresponding to each I frame data, the frame per second information is stored in the index file.
23. the positioning playing device of a kind of video file, it is characterised in that described device includes：

3rd obtains module, and the positioning playing for obtaining to video file instructs, wherein, carried in the positioning playing instruction Temporal information on the broadcasting to be positioned of the video file；

First determining module, for according to the temporal information, from the corresponding index file of the video file, determining described The offset information of the corresponding target I frame data of temporal information, wherein, the index file is included in the video file The each offset information of the corresponding timestamp information of I frame data and each I frame data in the video file；

Read module, for according to the offset information, the video text to be read from the target I frame data position Part；

Positioning playing module, for from video file described in read position positioning playing.
24. device according to claim 23, it is characterised in that described device further includes the second determining module；

Second determining module, for according to globally unique identifier URL, the video text to be determined from cloud storage system Part.
25. device according to claim 24, it is characterised in that the default video file head includes file header mark Information and the end time information of the video file between at the beginning of symbol, the video file；

The cloud storage system determines that the process of the video file is：

According to file header identifier included in default video file head, video file to be determined is filtered out；

According to the corresponding time started information of video file and end time information in the default video file head, and institute The corresponding time started information of video file, end time information, key assignments and store path information entrained in URL are stated, The video file is determined from video file to be determined, wherein, the key assignments is according to the upload video file The value that the MAC address of equipment determines.
26. device according to claim 23, it is characterised in that when positioning playing instruction refers to for positive sequence positioning playing When making, the read module, specifically for according to the offset information, being read from target I frame data position positive sequence The video file is taken, wherein, the process that the positive sequence reads the video file is：

According to the sequencing of the corresponding timestamp information of each I frame data in the index file, from the target I frame data Position positive sequence reads the video file.
27. device according to claim 23, it is characterised in that picture group GOP bags are further included in the index file Length information, wherein, each GOP bags correspondence includes I frame data and non-I frame data corresponding with the I frame data, described non- I frame data are the data in addition to the I frame data in the video file；

When positioning playing instruction instructs for inverted order positioning playing, the read module, specifically for according to the offset Information is measured, the video file is read from target I frame data position inverted order, wherein, regarded described in the inverted order reading The process of frequency file is：

According to the length information of corresponding GOP bags, read from the target I frame data position and complete the target I frame numbers After the GOP bags at place, correspondent time information is met to the I frame data of predetermined Reverse Play rule, is determined as new target I Frame data, and the GOP bags where the new target I frame data are read, wherein, the predetermined Reverse Play rule is：With working as Preceding target I frame data are adjacent, and the rule before the current corresponding timestamp information of target I frame data.
28. device according to claim 23, it is characterised in that each I frame data pair are further included in the index file The frame per second information answered；

The positioning playing module, specifically for the corresponding frame of the target I frame data included according to the index file Rate information, from video file described in the positioning playing of the target I frame data position.