CN110113655A - A kind of method, apparatus and user terminal of video playing - Google Patents
A kind of method, apparatus and user terminal of video playing Download PDFInfo
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- CN110113655A CN110113655A CN201910368594.4A CN201910368594A CN110113655A CN 110113655 A CN110113655 A CN 110113655A CN 201910368594 A CN201910368594 A CN 201910368594A CN 110113655 A CN110113655 A CN 110113655A
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000004590 computer program Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 241001269238 Data Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000000802 evaporation-induced self-assembly Methods 0.000 description 1
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- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The embodiment of the present invention provides the method, apparatus and user terminal of a kind of video playing, it is related to network communication technology field, this method is applied to user terminal, this method comprises: downloading the media information data of video to be played from server, the media information data include the size of Key Frames List and media information data, and Key Frames List includes first offset of each key frame in video file in video to be played；According to the size of the first offset of key frame each in video to be played and media information data, the first offset of each key frame is updated, obtains new Key Frames List, and the media information data comprising new Key Frames List are moved on to the head position of video file；The original video data that video to be played is downloaded from server plays the original video data of downloading according to new Key Frames List.The present invention has adjusted the downloading order of subfile in video file, plays in real time to video in downloading to realize.
Description
Technical field
The present invention relates to network communication technology fields, and the method, apparatus and user more particularly to a kind of video playing are whole
End.
Background technique
Currently, the data of each video store in the server usually in the form of video file, which includes view
The original video data and media information data of frequency include the data for describing the video file in media information data.
In the prior art, when user terminal sends video on-demand request to server, server is first according to its storage
Video file in media information data to original video data video file carry out transcoding, obtaining can be straight in user terminal
Connect the video file of broadcasting and then by the video file transfer to user terminal.
Inventor has found that at least there are the following problems for the prior art in the implementation of the present invention:
When user terminal carries out program request, server needs are first turned whole original video datas of the video user
Code, after generating the video file that can directly play, then by the video file transfer to user terminal.That is, user terminal needs
Want waiting for server to whole original video data transcodings after the completion of, the video file that can just get directly to play carries out again
It plays, the prior art simultaneously can not play video in real time.
Summary of the invention
The method, apparatus and user terminal for being designed to provide a kind of video playing of the embodiment of the present invention, with realization pair
The real-time broadcasting of video.Specific technical solution is as follows:
In a first aspect, providing a kind of method of video playing, the method is applied to user terminal, the method packet
It includes:
The media information data of video to be played are downloaded from server, the media information data include Key Frames List
With the size of the media information data, the Key Frames List include in the video to be played each key frame in video file
In the first offset, the video file include the video to be played original video data and the video to be played
Media information data；
According to the size of the first offset of each key frame and the media information data in the video to be played, update
First offset of the key frame, obtains new Key Frames List, and by the media information number comprising the new Key Frames List
According to the head position for moving on to the video file, in the new Key Frames List more comprising each key frame in the video to be played
The first offset after new；
The original video data of the video to be played is downloaded from the server, and is arranged according to the new key frame
Table plays downloaded original video data.
Optionally, it is described from the media information data for downloading video to be played in server the step of before, further includes:
Instruction is arranged in the playback progress for receiving user's input, wherein the playback progress setting instruction includes: described wait broadcast
Put the mark and target play time stamp of video；
According to the mark of the video to be played, judge the video to be played whether is stored in the user terminal
Media information data and target original video data, the target original video data are described in the video to be played
Target play time stabs the data of corresponding video frame；
If not stored in the user terminal have the media information data, execution is described to be downloaded from server wait broadcast
The step of putting the media information data of video；
If being stored with the media information data in the user terminal, and not stored there is the target original video number
According to then executing described the step of downloading the original video data of the video to be played from the server.
Optionally, the step of original video data that the video to be played is downloaded from the server, comprising:
The Parallel download link-group that the server is sent is received, the Parallel download link-group, which contains at least two, to be used for
Download the download link of the original video data；
Create download thread corresponding with the download link in the Parallel download link-group；
According to the corresponding download link of the download thread, the original video data of the video to be played is downloaded.
Optionally, described according to the first offset of each key frame in the video to be played and the media information data
Size, the step of updating the first offset of each key frame, obtain new Key Frames List, comprising:
For each key frame in the Key Frames List, by the first offset of the key frame, in addition the media
The size of information data obtains the second offset of the key frame, raw according to corresponding second offset of each key frame
At new Key Frames List.
Optionally, the media information data further include the duration parameters of the video to be played, the video to be played
Duration parameters include: the video to be played total duration, audio duration and picture duration；
The method also includes:
Compare the total duration, audio duration and picture duration of the video to be played in the media information data；
If the total duration of the video to be played, audio duration in picture duration at least there are two duration it is identical, hold
The step of row is described according to the new Key Frames List, plays the original video data of the video to be played.
Optionally, the video file is stored as unit of data block, and the data block includes data type sum number
According to content；
The media information data that video to be played is downloaded from server, comprising:
According to the downloading order of preset data block, downloading is stored with the number of the data block of video to be played from server
According to type；
If the data type for the data block downloaded is media information type, in the data for downloading the data block
Hold；
If the data type for the data block downloaded is not media information type, execute according to preset data block
The step of downloading order, the data type for the data block that downloading is stored with video to be played from server, described in obtaining
The complete media information data of video to be played.
Second aspect, provides a kind of device of video playing, and described device is applied to user terminal, described device packet
It includes:
Download module, for downloading the media information data of video to be played, the media information data from server
Size including Key Frames List and the media information data, the Key Frames List include respectively closing in the video to be played
First offset of the key frame in video file, the video file include the video to be played original video data and
The media information data of the video to be played；
Mobile module, for according to the first offset of each key frame in the video to be played and the media information number
According to size, update the first offset of each key frame, obtain new Key Frames List, and the new key frame column will be included
The media information data of table move on to the head position of the video file, include the view to be played in the new Key Frames List
Each updated first offset of key frame in frequency；
Playing module, for downloading the original video data of the video to be played from the server, and according to institute
New Key Frames List is stated, downloaded original video data is played.
Optionally, described device further include:
Receiving module, for receiving the playback progress setting instruction of user's input, wherein the playback progress setting instruction
Include: mark and target the play time stamp of the video to be played；
Judgment module judges whether store in the user terminal for the mark according to the video to be played
State the media information data and target original video data of video to be played, the target original video data be it is described to
Play the data that target play time described in video stabs corresponding video frame；
If not stored in the user terminal have the media information data, trigger the download module execute it is described from
The step of media information data of video to be played are downloaded in server；
If being stored with the media information data in the user terminal, and not stored there is the target original video number
According to then triggering the playing module and execute the original video data for downloading the video to be played from the server
Step.
Optionally, the playing module, is specifically used for:
The Parallel download link-group that the server is sent is received, the Parallel download link-group, which contains at least two, to be used for
Download the download link of the original video data；
Create download thread corresponding with the download link in the Parallel download link-group；
According to the corresponding download link of the download thread, the original video data of the video to be played is downloaded.
Optionally, the mobile module, is specifically used for:
For each key frame in the Key Frames List, by the first offset of the key frame, in addition the media
The size of information data obtains the second offset of the key frame, raw according to corresponding second offset of each key frame
At new Key Frames List.
Optionally, the media information data further include the duration parameters of video to be played, the video to be played when
Long parameter includes: the total duration, audio duration and picture duration of the video to be played；
Described device further include:
Comparison module, total duration, audio duration and picture for the video to be played in the media information data
Face duration；If the total duration of the video to be played, audio duration in picture duration at least there are two duration it is identical, trigger
The playing module executes described according to the new Key Frames List, the step of the original video data of the broadcasting video to be played
Suddenly.
Optionally, the video file is stored as unit of data block, and the data block includes data type sum number
According to content；
The download module, is specifically used for:
According to the downloading order of preset data block, downloading is stored with the number of the data block of video to be played from server
According to type；
If the data type for the data block downloaded is media information type, in the data for downloading the data block
Hold；
If the data type for the data block downloaded is not media information type, execute according to preset data block
The step of downloading order, the data type for the data block that downloading is stored with video to be played from server, described in obtaining
The complete media information data of video to be played.
The third aspect provides a kind of user terminal, including processor, communication interface, memory and communication bus,
In, processor, communication interface, memory completes mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes any method and step of first aspect.
Fourth aspect provides a kind of computer readable storage medium, is stored in the computer readable storage medium
Computer program realizes first aspect any method and step when the computer program is executed by processor.
5th aspect, provides a kind of computer program product comprising instruction, when run on a computer, so that
Computer executes any method of above-mentioned first aspect.
It, should since in the embodiment of the present invention, user terminal downloads the media information data of video to be played from server
Media information data include the size of Key Frames List and media information data, and Key Frames List includes respectively closing in video to be played
First offset of the key frame in video file；According to the first offset and media information number of key frame each in video to be played
According to size, update the first offset of each key frame, obtain new Key Frames List, and by the media comprising new Key Frames List
Information data moves on to the head position of video file；The original video data that video to be played is downloaded from server, according to new
Key Frames List plays the original video data of downloading.The present invention has adjusted the downloading order of subfile in video file, this
Sample, server is not necessarily to carry out transcoding to whole original video datas in video file, but directly sends out original video data
User terminal is given, by user terminal according to Key Frames List updated in media information data, transcoding simultaneously plays video, from
And it realizes and video is played in real time in downloading.
Certainly, it implements any of the products of the present invention or method must be not necessarily required to reach all the above excellent simultaneously
Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the method for video playing provided in an embodiment of the present invention；
Fig. 2 is a kind of exemplary diagram at video playing interface provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart for the media information data for downloading video to be played provided in an embodiment of the present invention；
Fig. 4 is a kind of flow chart of the original video data of Parallel download video to be played provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of the device of video playing provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the device of video playing provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of the device of video playing provided in an embodiment of the present invention；
Fig. 8 is a kind of structural schematic diagram of user terminal provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of method of video playing, this method can be applied to user terminal, the user
Terminal can be the equipment with video playback capability.For example, it may be mobile phone or tablet computer, are also possible to personal computer
(Personal Computer, PC), television set etc..
As shown in Figure 1, a kind of method of video playing provided by the embodiment of the present invention, may include steps of:
S110, user terminal download the media information data of video to be played from server.
Wherein, media information data include the size of Key Frames List and media information data, Key Frames List include to
Play first offset of each key frame in video file in video.Video file generally includes at least the original view of video
Frequency is accordingly and the media information data of video.Wherein, original video data includes image frame data and audio data.
In an implementation, the application program for playing video can be installed, when user needs to watch view in user terminal
When frequency, user can open the application program, and in the broadcast interface of the application program selection need play video (i.e. to
Play video).User terminal can then show the broadcast interface of video to be played, as shown in Fig. 2, can show in broadcast interface
One playing progress bar corresponding with video file total duration, the playing progress bar can be used to indicate that the broadcasting of video into
Degree, such as the playing duration of the video.
User can start broadcast button by clicking, with played in order video.User terminal can then be sent out to server
It send downloading to request, the mark of video to be played can be carried in downloading request, to download the media information of video to be played
Data.
If above-mentioned video file is stored as unit of data block, and the data block stored includes data type and data
Content then in another specific embodiment of the present invention downloads the media information data of video to be played from server
Detailed process may comprise steps of:
S111, according to the downloading order of preset data block, downloading is stored with the data of video to be played from server
The data type of block；
S112 downloads the number of the data block if the data type for the data block downloaded is media information type
According to content；Otherwise, step S111 is executed, until obtaining the complete media information data of video to be played.
In another specific embodiment of the present invention, user can by clicking a certain position of the playing progress bar,
Selection needs the progress of video content played, to realize the program request to the video, correspondingly, can be with before step S110
The following steps are included:
Instruction is arranged in step 1, the playback progress for receiving user's input.
Wherein, playback progress setting instruction includes: mark and target the play time stamp of video to be played.
In an implementation, the playing progress bar in broadcast interface can be used to indicate that the playback progress of video, the playback progress
It can be the playing duration of video.Specifically, the play time that each position in playing progress bar corresponds to video is stabbed.When with
When program request is wanted to carry out in family, a certain position that user can click in the corresponding playing progress bar of video to be played (can be described as mesh
Cursor position), user terminal can then receive playback progress setting instruction.Wherein, playback progress setting instruction includes: view to be played
The mark of frequency and the target play time of video to be played are stabbed, wherein target play time stamp is the corresponding broadcasting in target position
Timestamp.
Step 2 judges that the media information data that video to be played whether is stored in the user terminal and target are former
Beginning video data.
Wherein, target original video data is the data that target play time stabs corresponding video frame in video to be played.
In an implementation, it when user terminal plays certain video file online, needs from the storage equipment for storing the video file
The video file is obtained in (such as server) online.After user inputs playback progress setting instruction, user terminal can be inquired
Whether the video file of to be played video is stored in this user terminal, if it is present further inquiring in the video file
Data (the i.e. target original video number of corresponding video frame is stabbed with the presence or absence of media information data and target play time
According to).
If not stored in the user terminal there are media information data, S110 is executed；If being stored with matchmaker in the user terminal
Body information data, and it is not stored have target original video data, then execute S130.
In another specific embodiment of the present invention, as shown in figure 3, user terminal downloads view to be played from server
The detailed process of the media information data of frequency may comprise steps of:
S110a downloads the target figure of video to be played according to the downloading order of preset graph data block from server
As the target data type of data block.
Wherein, target image data block is the video data block for being stored with target original video data.Specifically, to be played
The original video data of video is stored in the server as unit of video data block, can be described as box.Video data block includes number
According to type and data content, in practical applications, the storage location of data type is usually located at before data content.For example, figure
Picture data block is 5KB, and preceding 2KB is data type, and rear 3KB is data content.Data type include at least media information type and
Picture data type.
In an implementation, after user terminal sends downloading request to server, server can be downloaded according to preset data
Sequentially, video data block is sent to user terminal.In one implementation, it can treat and broadcast according to the playing sequence of video
Video is put to be downloaded.In the embodiment of the present application, in the downloading request that user terminal is sent, it may include the data for needing to download
It measures (i.e. the data volume of data type), user terminal can request the data type in downloading video data block to server.
S110b downloads the data content of target image data block if target data type is media information type,
Obtain media information data.
In an implementation, after user terminal receives the data type of a certain video data block (i.e. target image data block),
May determine that whether the data type (i.e. target data type) is media information type, if the target data type is media
Information type then illustrates that the data content that the video data block includes is media information data, and user terminal can be further
The data content that downloading target image data block includes, obtains media information data.
S110c downloads the data class of next video data block if target data type is not media information type
Type.
In an implementation, if the target data type is not media information type (such as picture data type or other classes
Type), then illustrate that data content that the video data block includes is not media information data, user terminal from Server Relay it is continuous under
The data type for carrying next video data block, until the data type of the video data block received is that media information type is
Only.In one implementation, the data volume of data content, such as 3KB can be stored in advance in user terminal, if it is determined that mesh
Marking data type is not media information type, then the initial position of the downloading data of user terminal can increase 3KB, that is, directly
The downloading order according to preset graph data block is connect, the data type of next image data block is downloaded, without downloading target figure
As the data content of data block.
S120 updates each according to the size of the first offset of key frame each in video to be played and media information data
First offset of key frame obtains new Key Frames List, and the media information data comprising new Key Frames List is moved on to view
The head position of frequency file.
It wherein, include the second offset in new Key Frames List, wherein the second offset is each key in video to be played
Updated first offset of frame.
In an implementation, each key frame in video file is all that (such as playing sequence) is stored in a predetermined sequence
, position of each key frame in video file can be indicated by offset, wherein offset can be key frame in video
The byte location stored in file, the byte number that the file header relative to video file deviates.Only when the media of video file
When information data is located at the head position of video file, the online broadcasting of video file could be just may be implemented in user terminal.Cause
This needs the media information data being moved to view after user terminal gets media information data from server online
The head of frequency file, meanwhile, it needs to adjust the offset of each key frame in the media information data, that is, updates key frame column
Table obtains new Key Frames List.
In a specific embodiment of the invention, the process for generating new Key Frames List is specifically as follows: for key
Each key frame in frame list, by the first offset of the key frame, in addition the size of media information data, obtains the key frame
The second offset, corresponding second offset of each key frame constitutes new Key Frames List.
In an implementation, for key frame each in Key Frames List, user terminal can be current inclined with the key frame
Shifting amount (i.e. the first offset), in addition the data volume that media information data include, obtains the updated offset of the key frame (i.e.
Second offset), in this way, user terminal can be updated with the corresponding offset of key frame each in Key Frames List, thus
Obtain new Key Frames List.For example, corresponding first offset of key frame A is 60 bytes, the data that media information data include
Amount is 50 bytes, then corresponding second offset of key frame A is 110 bytes.
S130 downloads the original video data of video to be played from server, according to new Key Frames List, plays wait broadcast
Put the original video data of video.
In an implementation, user terminal can download the original video data of video to be played, and then basis from server
New Key Frames List plays out the original video data of downloading.
Optionally, media information data can also include the duration parameters of video to be played, the duration ginseng of video to be played
Number may include: the total duration of video to be played, audio duration and picture duration.User terminal can be according to video to be played
Duration parameters, judge whether the duration parameters of video to be played meet preset video playing condition.Specific treatment process are as follows:
Compare the total duration, audio duration and picture duration of the video to be played in media information data；If video to be played it is total when
Long, audio duration in picture duration at least there are two duration it is identical, then follow the steps 130；If the total duration of video file, sound
Three duration parameters in frequency duration and picture duration are all different, it is determined that video to be played is unsatisfactory for preset video playing
Condition, without playing.
In embodiments of the present invention, user terminal can first download the media information number of video to be played from server
According to media information data include the size of Key Frames List and media information data, and Key Frames List includes in video to be played
First offset of each key frame in video file.Then, user terminal is according to the first of key frame each in video to be played
The size of offset and media information data updates the first offset of each key frame, obtains new Key Frames List, and will include
The media information data of new Key Frames List move on to the head position of video file, include video to be played in new Key Frames List
In each key frame the second offset.It, can after user terminal downloads the original video data of video to be played from server
Directly according to new Key Frames List, to play the original video data of video to be played.In this way, server is not necessarily to video file
In whole original video datas carry out transcoding, but original video data is directly sent to user terminal, by user terminal
Transcoding processing is carried out according to media information data and plays video, realizes the real-time broadcasting to video.
Optionally, user terminal can download the original of video to be played by the way of Parallel download from server
Video data, the embodiment of the present application are illustrated the process of Parallel download by taking program request as an example, as shown in figure 4, specifically include with
Lower step.
S410 sends downloading request to server.
Wherein, downloading request includes: the mark and target play time stamp of video to be played.
When implementing, user terminal, can be according to the mark of video to be played after receiving playback progress setting instruction
It is stabbed with target play time and generates downloading request, downloading request is then sent to server.
S420 receives the Parallel download link-group that server is sent.
Wherein, it is used to download the downloading chain of target original video data in Parallel download link-group comprising preset number
It connects.The preset number can be set by user.
In an implementation, server, can be according in downloading request after receiving the downloading request of user terminal transmission
Video to be played mark, determine the video file of video to be played, and then stab according to target play time, determine user's end
The original video data of request is held, then, determining original video data is cut into several pieces by server, original for every part
Video data generates a download link, obtain include all download links Parallel download link-group, and by the original video number
User terminal is sent to according to corresponding Parallel download link-group, and by the Parallel download link-group.
S430 creates preset number download thread according to the number of download link.
It in an implementation, can be according to downloading chain after user terminal receives the Parallel download link-group that server is sent
The number connect creates preset number download thread.Wherein, the number of download thread can with include in Parallel download link-group
Download link number it is identical, the number of download thread might be less that the number of download link, i.e., in each download thread
Including at least one download link, thereby increases and it is possible to which there are include two or more download links in a download thread.
S440, by each download thread, according to the corresponding download link of the download thread from target original video data
Start to carry out data downloading.
In an implementation, user terminal can execute the corresponding download link of the download thread by the download thread of creation
Downloading task.The downloading is the target play time since video to be played stabs corresponding original video data, from
And user's online request video may be implemented.Wherein, for being downloaded as unit of box the case where, server can be preparatory
The box is divided into preset number sub-block, user terminal is downloaded each subdata by download thread respectively, is somebody's turn to do
The total data that box includes.
Optionally, user terminal can also by the way of Parallel download downloads of media information data, it is specific processed
Journey is similar with the process of Parallel download original video data, repeats no more.
In embodiments of the present invention, user terminal can establish multiple download threads, and by multiple download threads from upper
It states the corresponding original video data of target play time stamp to start, while downloading the video file of video to be played, that is, realize
Parallel download accelerates speed of download, to improve the efficiency that user terminal plays Online Video.
Optionally, the process based on above-mentioned Parallel download, the embodiment of the invention also provides a kind of storage original video numbers
According to process, specifically can be such that
The size that user terminal can obtain the video file of video to be played from server (such as can be by first
The download thread of a creation requests the size of the video file to server), it is then possible to according to the number of above-mentioned download thread
Mesh calculates the piecemeal size of the video file, then divides storage resource for each piecemeal, and establish storage resource and downloading wire
The corresponding relationship of journey, will pass through the data for the piecemeal that the storage resource storage download thread of division is downloaded.For example, video is literary
Part is 1M, and user terminal creates 2 download threads, is downloaded, then can be determined to video file by 2 download links
Video file is divided into two piecemeals, and each piecemeal is 512k.User terminal can mark off two from local storage resource
Size is the memory block of 512k, the piecemeal of the video file for storing the downloading of the two download threads.
In order to describe according to clear, a kind of video provided in an embodiment of the present invention is broadcast below by a specific embodiment
The method put is described in detail.Wherein, there are many storage format type of video file, for example, the formats such as MP4, BMP or AVI.
This example is illustrated so that the video to MP4 format carries out program request as an example, and particular content is as follows.
User selects ID to play out for 693 video in the user terminal, and user terminal can then show broadcasting for the video
Interface is put, includes the playing progress bar of the video in the broadcast interface.It is (right that user clicks a certain position in the playing progress bar
The play time stamp answered, to trigger user terminal generates playback progress device directive for 10 ' 00).Wherein, the playback progress equipment
ID693 and play time stamp 10 ' 00 in instruction comprising the video.In the video file that user terminal judgement is locally stored
With the presence or absence of the corresponding video file of ID693, if it is present further judging in the video file with the presence or absence of ID693 pairs
The media information data answered.If there is no the media information data, then downloading request is sent to Dropbox server, to download matchmaker
If there is the media information data but 10 ' 00 corresponding original video numbers are not present in body information data and original video data
According to then to the transmission downloading request of Dropbox server, at this point, user terminal only needs the corresponding original video data of downloading 10 ' 00.With
The lower downloading process for first introducing media information data.
In MP4 format, video data is usually stored as unit of video data block in the server, can be described as box,
In, the video data block comprising media information data is moov box, usually first stores original video data in video file, former
It is moov box after the box of beginning video data.The size and format of each box is all the same.Wherein, box include data type and
The storage location of data content, data type is usually located at before data content.For example, video data block is 5KB, preceding 2KB is
Data type, rear 3KB are data content.Data type includes at least media information type and picture data type.
User terminal, from the sequence to tail, successively downloads the data type in each box according to video file, if the data
Type is not media information type (such as picture data type or other types), then illustrates box belonging to the data type not
It is moov box, user terminal is from the continuous data type for downloading next box of Server Relay, until the data type received
Until media information type.
After user terminal downloads moov box, the pass in moov box can be updated according to the treatment process of above-described embodiment
Key frame list, obtains new Key Frames List, that is, regenerating moov box, obtains new moov box.User terminal will be new
Moov box is moved in the head position of video file after styp, wherein and styp is preceding 4 fields of video file, with
Moov box after making movement is located at before original video data.
The downloading process of original video data introduced below.
Dropbox server can be according to the ID693 and play time stamp 10 ' in the downloading request that user terminal is sent
00, three download links of the video file 693 are sent to user terminal.User terminal is respectively each download link creation
One download thread, and by each download thread, the downloading task of the corresponding download link of the download thread is executed, that is,
It is downloaded since 10 ' 00 corresponding original video datas.
Server can determine the box comprising 10 ' 00 video frame, which is divided into three sub-blocks, user is whole
The sub-block that can include with Parallel download box is held, to improve speed of download.After having downloaded the data of the current box,
Download thread downloads the sub-block of next box automatically, and and so on.The original view of whole after having downloaded 10 ' 00
Frequency is after, and the 1st box that download thread automatic jumps to the video file is downloaded, until having downloaded above-mentioned video
Until all original image frames for including.
In addition, user terminal can also obtain the total duration of video file in the mdhd field in moovbox, from
Audio duration and picture duration are obtained in the trak field of moovbox, to judge whether the video meets playing condition, and true
When the fixed video meets playing condition, the video data of downloading is played out.
In embodiments of the present invention, user terminal downloads the media information data of video to be played, the matchmaker from server
Body information data includes the size of Key Frames List and media information data, and Key Frames List includes each key in video to be played
First offset of the frame in video file；According to the first offset and media information data of key frame each in video to be played
Size, update the first offset of each key frame, obtain new Key Frames List, and will include the media of new Key Frames List letter
Breath data move on to the head position of video file；The original video data that video to be played is downloaded from server is closed according to new
Key frame list, plays the original video data of downloading.The present invention has adjusted the downloading order of subfile in video file, in this way,
Server is not necessarily to carry out transcoding to whole original video datas in video file, but is directly sent to original video data
User terminal, by user terminal according to Key Frames List updated in media information data, transcoding simultaneously plays video, thus real
Now video is played in real time in downloading.
Corresponding with embodiment of the method, the embodiment of the invention also provides a kind of device of video playing, which is answered
For user terminal, as shown in figure 5, the device includes:
Download module 510, for downloading the media information data of video to be played from server, specifically, media letter
Breath data include the size of Key Frames List and the media information data, wherein Key Frames List includes the view to be played
First offset of each key frame in video file in frequency, video file include original video data and media information number
According to；
Mobile module 520, for according to the first offset of key frame each in video to be played and media information data
Size updates the first offset of each key frame, obtains new Key Frames List, and by the media information comprising new Key Frames List
Data move on to the head position of video file, wherein include updated first offset of each key frame in new Key Frames List；
Playing module 530, for downloading the original video data of video to be played from server, and according to new key frame
List plays downloaded original video data.
Optionally, as shown in fig. 6, the device further include:
Receiving module 540, for receiving the playback progress setting instruction of user's input, wherein playback progress setting instruction
Include: mark and target the play time stamp of video to be played；
Whether judgment module 550 judges to be stored in the user terminal to be played for the mark according to video to be played
The media information data and target original video data of video, target original video data are that target is broadcast in video to be played
Put the data of the corresponding video frame of timestamp；If not stored there are media information data, triggers download module 510 and execute from service
The step of media information data of video to be played are downloaded in device；If being stored with media information data, but not stored there is target former
Beginning video data then triggers the step of original video data of video to be played is downloaded in the execution of playing module 530 from server.
Optionally, playing module 530 are specifically used for:
The Parallel download link-group that server is sent is received, Parallel download link-group contains at least two original for downloading
The download link of video data；
Create download thread corresponding with the download link in the Parallel download link-group；
According to the corresponding download link of the download thread, the original video data of the video to be played is downloaded.
Optionally, mobile module 520 are specifically used for:
For each key frame in Key Frames List, by the first offset of the key frame, in addition media information data
Size, obtain updated second offset of the key frame, according to corresponding second offset of each key frame, generate new close
Key frame list.
Optionally, media information data further include the duration parameters of video to be played, the duration parameters packet of video to be played
It includes: total duration, audio duration and the picture duration of video to be played；
As shown in fig. 7, the device further include:
Comparison module 560, for comparing the total duration, audio duration and picture of the video to be played in media information data
Duration；If the total duration of video to be played, audio duration in picture duration at least there are two duration it is identical, trigger broadcasting mould
The step of block 530 is executed according to new Key Frames List, plays the original video data of video to be played.
Optionally, the video file is stored as unit of data block, and the data block includes data type sum number
According to content；
Download module 510, is specifically used for:
According to the downloading order of preset data block, downloading is stored with the number of the data block of video to be played from server
According to type；
If the data type for the data block downloaded is media information type, in the data for downloading the data block
Hold；
If the data type for the data block downloaded is not media information type, execute according to preset data block
The step of downloading order, the data type for the data block that downloading is stored with video to be played from server, described in obtaining
The complete media information data of video to be played.
In embodiments of the present invention, user terminal downloads the media information data of video to be played, the matchmaker from server
Body information data includes the size of Key Frames List and media information data, and Key Frames List includes each key in video to be played
First offset of the frame in video file；According to the first offset and media information data of key frame each in video to be played
Size, update the first offset of each key frame, obtain new Key Frames List, and will include the media of new Key Frames List letter
Breath data move on to the head position of video file；The original video data that video to be played is downloaded from server is closed according to new
Key frame list, plays the original video data of downloading.The present invention has adjusted the downloading order of subfile in video file, in this way,
Server is not necessarily to carry out transcoding to whole original video datas in video file, but is directly sent to original video data
User terminal, by user terminal according to Key Frames List updated in media information data, transcoding simultaneously plays video, thus real
Now video is played in real time in downloading.
The embodiment of the invention also provides a kind of user terminals, as shown in figure 8, include processor 801, communication interface 802,
Memory 803 and communication bus 804, wherein processor 801, communication interface 802, memory 803 are complete by communication bus 804
At mutual communication,
Memory 803, for storing computer program；
Processor 801 when for executing the program stored on memory 803, realizes the reality of above-mentioned video broadcasting method
The step of applying described in example.
Specific implementation and relevant explanation content about each step of this method may refer to above-mentioned Fig. 1, Fig. 2, Fig. 3 and
Embodiment of the method shown in Fig. 4, this will not be repeated here.
In addition, processor 801 executes the program stored on memory 803 and other realities using setting method for realizing
Existing mode, it is identical as implementation mentioned by preceding method embodiment part, it also repeats no more here.
The communication bus of above-mentioned user terminal can be Peripheral Component Interconnect standard (Peripheral Component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (Extended Industry Standard
Architecture, abbreviation EISA) bus etc..The communication bus can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in figure, it is not intended that an only bus or a type of bus convenient for indicating.
Communication interface is for the communication between above-mentioned user terminal and other equipment.
Memory may include random access memory (Random Access Memory, abbreviation RAM), also may include
Nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Optionally, memory may be used also
To be storage device that at least one is located remotely from aforementioned processor.
Above-mentioned processor can be general processor, including central processing unit (Central Processing Unit,
Abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor
(Digital Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific
Integrated Circuit, abbreviation ASIC), field programmable gate array (Field Programmable Gate Array,
Abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
In another embodiment provided by the invention, the embodiment of the invention also provides a kind of computer-readable storage mediums
Matter is stored with computer program, the realization when computer program is executed by processor in the computer readable storage medium
The step of method of above-mentioned video playing.
In another embodiment provided by the invention, the computer journey comprising instruction that the embodiment of the invention also provides a kind of
Sequence product, when run on a computer, so that the method that computer executes above-mentioned video playing.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program
Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or
It partly generates according to process or function described in the embodiment of the present invention.The computer can be general purpose computer, dedicated meter
Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
User's line (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or
Data center is transmitted.The computer readable storage medium can be any usable medium that computer can access or
It is comprising data storage devices such as one or more usable mediums integrated server, data centers.The usable medium can be with
It is magnetic medium, (for example, floppy disk, hard disk, tape), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk
Solid State Disk (SSD)) etc..
It should be noted that, in this document, 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 actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device,
For user terminal, computer readable storage medium and computer program product embodiments, since it is substantially similar to method
Embodiment, so being described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
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 (14)
1. a kind of method of video playing, which is characterized in that the method is applied to user terminal, which comprises
The media information data of video to be played are downloaded from server, the media information data include Key Frames List and institute
State the size of media information data, the Key Frames List include in the video to be played each key frame in video file
First offset, the video file include the original video data of the video to be played and the matchmaker of the video to be played
Body information data；
According to the size of the first offset of each key frame and the media information data in the video to be played, described in update
First offset of key frame obtains new Key Frames List, and will move comprising the media information data of the new Key Frames List
To the head position of the video file, after being updated in the new Key Frames List comprising key frame each in the video to be played
The first offset；
The original video data of the video to be played is downloaded from the server, and according to the new Key Frames List, is broadcast
Put downloaded original video data.
2. the method according to claim 1, wherein the media letter for downloading video to be played from server
Before the step of ceasing data, further includes:
Instruction is arranged in the playback progress for receiving user's input, wherein the playback progress setting instruction includes: the view to be played
The mark and target play time of frequency are stabbed；
According to the mark of the video to be played, the media that the video to be played whether is stored in the user terminal are judged
Information data and target original video data, the target original video data are target described in the video to be played
Play time stabs the data of corresponding video frame；
If not stored in the user terminal have the media information data, execution is described to download view to be played from server
The step of media information data of frequency；
If the media information data are stored in the user terminal, and it is not stored have the target original video data, then
Execute the described the step of original video data of the video to be played is downloaded from the server.
3. the method according to claim 1, wherein described download the video to be played from the server
Original video data the step of, comprising:
The Parallel download link-group that the server is sent is received, the Parallel download link-group is contained at least two for downloading
The download link of the original video data；
Create download thread corresponding with the download link in the Parallel download link-group；
According to the corresponding download link of the download thread, the original video data of the video to be played is downloaded.
4. the method according to claim 1, wherein described according to of each key frame in the video to be played
The size of one offset and the media information data updates the first offset of each key frame, obtains new key frame column
The step of table, comprising:
For each key frame in the Key Frames List, by the first offset of the key frame, in addition the media information
The size of data obtains the second offset of the key frame, according to corresponding second offset of each key frame, generates new
Key Frames List.
5. the method according to claim 1, wherein the media information data further include the video to be played
Duration parameters, the duration parameters of the video to be played include: the total duration, audio duration and picture of the video to be played
Duration；
The method also includes:
Compare the total duration, audio duration and picture duration of the video to be played in the media information data；
If the total duration of the video to be played, audio duration in picture duration at least there are two duration it is identical, execute institute
The step of stating the original video data that the video to be played is played according to the new Key Frames List.
6. the method according to claim 1, wherein the video file is stored as unit of data block,
The data block includes data type and data content；
The media information data that video to be played is downloaded from server, comprising:
According to the downloading order of preset data block, downloading is stored with the data class of the data block of video to be played from server
Type；
If the data type for the data block downloaded is media information type, the data content of the data block is downloaded；
If the data type for the data block downloaded is not media information type, the downloading according to preset data block is executed
Sequentially, the step of data type for the data block for being stored with video to be played is downloaded from server, it is described wait broadcast until obtaining
Put the complete media information data of video.
7. a kind of device of video playing, which is characterized in that described device is applied to user terminal, and described device includes:
Download module, for downloading the media information data of video to be played from server, the media information data include
The size of Key Frames List and the media information data, the Key Frames List include each key frame in the video to be played
The first offset in video file, the video file include the original video data of the video to be played and described
The media information data of video to be played；
Mobile module, for according to the first offset of each key frame in the video to be played and the media information data
Size updates the first offset of each key frame, obtains new Key Frames List, and will include the new Key Frames List
Media information data move on to the head position of the video file, include in the video to be played in the new Key Frames List
Each updated first offset of key frame；
Playing module, for downloading the original video data of the video to be played from the server, and according to described new
Key Frames List plays downloaded original video data.
8. device according to claim 7, which is characterized in that described device further include:
Receiving module, for receiving the playback progress setting instruction of user's input, wherein the playback progress setting instruction packet
Contain: mark and target the play time stamp of the video to be played；
Judgment module, for the mark according to the video to be played, judge whether to be stored in the user terminal it is described to
The media information data and target original video data of video are played, the target original video data is described to be played
Target play time described in video stabs the data of corresponding video frame；
If not stored in the user terminal there are the media information data, it is described from service to trigger the download module execution
The step of media information data of video to be played are downloaded in device；
If the media information data are stored in the user terminal, and it is not stored have the target original video data, then
It triggers the playing module and executes described the step of downloading the original video data of the video to be played from the server.
9. device according to claim 7, which is characterized in that the playing module is specifically used for:
The Parallel download link-group that the server is sent is received, the Parallel download link-group is contained at least two for downloading
The download link of the original video data；
Create download thread corresponding with the download link in the Parallel download link-group；
According to the corresponding download link of the download thread, the original video data of the video to be played is downloaded.
10. device according to claim 7, which is characterized in that the mobile module is specifically used for:
For each key frame in the Key Frames List, by the first offset of the key frame, in addition the media information
The size of data obtains the second offset of the key frame, according to corresponding second offset of each key frame, generates new
Key Frames List.
11. device according to claim 7, which is characterized in that the media information data further include video to be played
Duration parameters, when the duration parameters of the video to be played include: the total duration, audio duration and picture of the video to be played
It is long；
Described device further include:
Comparison module, when total duration, audio duration and picture for the video to be played in the media information data
It is long；If the total duration of the video to be played, audio duration in picture duration at least there are two duration it is identical, triggering described in
Playing module executes described according to the new Key Frames List, the step of playing the original video data of the video to be played.
12. device according to claim 7, which is characterized in that the video file is stored as unit of data block,
The data block includes data type and data content；
The download module, is specifically used for:
According to the downloading order of preset data block, downloading is stored with the data class of the data block of video to be played from server
Type；
If the data type for the data block downloaded is media information type, the data content of the data block is downloaded；
If the data type for the data block downloaded is not media information type, the downloading according to preset data block is executed
Sequentially, the step of data type for the data block for being stored with video to be played is downloaded from server, it is described wait broadcast until obtaining
Put the complete media information data of video.
13. a kind of user terminal, which is characterized in that including processor, communication interface, memory and communication bus, wherein processing
Device, communication interface, memory complete mutual communication by communication bus；
Memory, for storing computer program；
Processor when for executing the program stored on memory, realizes any method and step of claim 1-6.
14. a kind of computer readable storage medium, which is characterized in that be stored with computer in the computer readable storage medium
Program realizes claim 1-6 any method and step when the computer program is executed by processor.
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| CN112333560A (en) * | 2020-08-25 | 2021-02-05 | 深圳Tcl新技术有限公司 | Webpage video analyzing and playing method, device and equipment and readable storage medium |
| CN114125509A (en) * | 2021-11-30 | 2022-03-01 | 深圳Tcl新技术有限公司 | Video playing method and device, electronic equipment and storage medium |
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