CN105338424B - A kind of method for processing video frequency and system - Google Patents
A kind of method for processing video frequency and system Download PDFInfo
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- CN105338424B CN105338424B CN201510718386.4A CN201510718386A CN105338424B CN 105338424 B CN105338424 B CN 105338424B CN 201510718386 A CN201510718386 A CN 201510718386A CN 105338424 B CN105338424 B CN 105338424B
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Classifications
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- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2743—Video hosting of uploaded data from client
-
- 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
- H04N21/437—Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of method for processing video frequency and systems, which comprises in client, obtains video file to be processed, is split as several slicing files and is uploaded to server-side respectively after compressing；In server-side, it is waiting receive it to be decompressed to contract after all slicing files be stored in distributed file system；Each slicing files for downloading video file to be processed carry out compression coding to it, later will be in new slicing files deposit distributed file system；Each slicing files are merged into a complete video file.The present invention in client by video file by big file declustering at small documents, fragment uploads parallel, and efficiency of transmission not only can be improved, can also reduce network flow consuming；Server-side, by multiple small documents parallel decoding compression processings, reduces the processing time under cluster；Not only can individually play can greatly improve user experience suitable for the video broadcasting field of environment complexity with piecemeal broadcast multiple segments voice separately.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method for processing video frequency and systems.
Background technique
With the rapid development of mobile Internet, more and more social platforms have turned to video sharing from picture sharing.
Video integration sound, text, image medium, more can quickly make us understanding content.What especially short-sighted frequency had
Emotionally fast, the efficient advantage of propagation, enables short-sighted frequency become the mainstream marketing methods of numerous social applications.However, current video
Treatment effeciency needs to be promoted, to ensure good user experience.
Summary of the invention
It is a primary object of the present invention to propose a kind of method for processing video frequency and system, video treatment effeciency is improved, is promoted
User experience.
To achieve the above object, the present invention provides a kind of method for processing video frequency, the method comprising the steps of:
Client obtains video file to be processed, is split as several slicing files and is uploaded to clothes respectively after compressing
Business end；
The server-side receives the slicing files from client, all fragments text waiting for receiving video file to be processed
It is decompressed to contract after part and is stored in distributed file system；
Each slicing files that video file to be processed is downloaded from distributed file system, compress each slicing files
Decoding, later will be in new slicing files deposit distributed file system；
New slicing files are obtained from distributed file system, and each slicing files are merged into a complete video text
Part, will be in new video file deposit distributed file system.
Optionally, the method for video file to be processed is obtained are as follows: according to preset resolution ratio, size and/or duration threshold value
To select local video file or real-time recording video file.
Optionally, the step of server-side reception slicing files include:
When receiving first effective slicing files, that is, establish a corresponding the file information and by the file information storage
In local disk；
It is subsequent often receive an effective slicing files when, update the file information；
After all slicing files of video file to be processed all upload, using a decompression tool to each slicing files
It unzips it, is stored in distributed file system later.
Optionally, slicing files are uploaded to server-side by Http by the client respectively, each slicing files
Http header format are as follows: video files names+check code+slicing files serial number+fragment starting position-slicing files stop bits
Set/file size.
Optionally, in server-side, after each slicing files for downloading video file to be processed in distributed file system, lead to
It crosses server cluster and parallelly compressed decoding process is carried out to each slicing files.
Optionally, described further to the parallelly compressed decoded processing step of each distribution file progress by server cluster
Include:
After receiving all slicing files of video file to be processed, video processing request is generated；
It is handled and is requested according to the video, each slicing files of video file to be processed are obtained from distributed file system
Information generates a corresponding compression coding task for each slicing files and is put into video compress decoding process queue；
Each video compress decoding server obtains task from the video compress decoding process queue, then from distribution
Former slicing files are downloaded in formula file system, this former slicing files decoding is compressed into after new slicing files and is stored in distributed text
In part system；
Optionally, described to further comprise by the step of each slicing files merging treatment:
After all slicing files of video file to be processed complete decoding compression processing, generates one and merge task accordingly
It is put into and merges in queue；
Video merging processing server obtains task from queue is merged, and it is complete that all new slicing files are merged into one
It is stored in distributed file system after video file.
A kind of processing system for video, including client and server-side,
The client is uploaded to after compression processing for video file to be processed to be split as several slicing files
Server-side；
The server-side, it is waiting to receive all of video file to be processed for receiving the slicing files from client
It is decompressed to contract after slicing files and is stored in distributed file system；It is also used to download from distributed file system to be processed
Each slicing files of video file carry out compression coding to each slicing files, later by the new distributed text of slicing files deposit
In part system；And new slicing files are obtained from distributed file system, each slicing files are merged into one completely
Video file, will be in new video file deposit distributed file system.
Optionally, the server-side include: upload server, dispatch server, video compress decoding process service cluster,
Video merging handles service cluster, distributed file system,
The upload server, it is waiting to receive video file to be processed for receiving the slicing files of client upload
It is decompressed after all slicing files, is stored in distributed file system, and sends the video to be processed to dispatch server
The video of file handles request；
The dispatch server, for receive video processing request when, to video compress decoding process service cluster,
Server in video merging processing service cluster is scheduled, and completes the compression coding and merging treatment of slicing files；
The video compress decoding process service cluster, including multiple video compress decoding process servers, for from point
Each slicing files that video file to be processed is downloaded in cloth file system carry out compression coding to it, later by new fragment
File is stored in distributed file system；
The video merging handles service cluster, includes multiple video merging processing servers, for literary from distribution
New slicing files are obtained in part system, each slicing files are merged into a complete video file, by new video file
It is stored in distributed file system.
Optionally, the client specifically: mobile phone, tablet computer, laptop, desktop computer；The client is specific
Include:
Video file obtains module, for selecting the video file recorded or real-time recording from local data base
Video file, as video file to be processed；
File declustering module obtains several slicing files for splitting the video file to be processed；
Compressing file module, for compressing each slicing files respectively；
File uploading module, for compressed each slicing files to be uploaded to server-side by http.
Compared with prior art, the present invention has following technical effect that
1) present invention in client by video file by big file declustering at small documents, fragment uploads parallel, not only can be with
Efficiency of transmission is improved, and needs flow caused by re-transmission to expend after transmission failure can be reduced；
2) server-side greatly reduces the processing time by multiple small documents parallel decoding compression processings under cluster；Later
A video file is merged into again, and not only can individually play can be with piecemeal broadcast multiple segments voice separately, suitable for environment complexity
Video broadcasting field greatly improves user experience.
Detailed description of the invention
The hardware structural diagram of Fig. 1 mobile terminal of each embodiment to realize the present invention；
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the preprocess method flow chart for the client that the embodiment of the present invention one provides；
Fig. 4 is the method for processing video frequency flow chart for the server-side that the embodiment of the present invention one provides；
Fig. 5 is the processing system for video architecture diagram that the embodiment of the present invention one provides.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicate element such as " module ", " component " or " unit " suffix only for being conducive to explanation of the invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP
The mobile terminal of (portable media player), navigation device etc. and such as number TV, desktop computer etc. are consolidated
Determine terminal.Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving
Except the element of purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
The hardware structural diagram of Fig. 1 mobile terminal of each embodiment to realize the present invention.
Mobile terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown
Part.More or fewer components can alternatively be implemented.The element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows mobile terminal 100 and wireless communication system
Or the radio communication between network.For example, wireless communication unit may include broadcasting reception module 111, mobile communication module
112, at least one of wireless Internet module 113, short range communication module 114 and location information module 115.
Broadcasting reception module 111 receives broadcast singal and/or broadcast from external broadcast management server via broadcast channel
Relevant information.Broadcast channel may include satellite channel and/or terrestrial channel.Broadcast management server, which can be, to be generated and sent
The broadcast singal and/or broadcast related information generated before the server or reception of broadcast singal and/or broadcast related information
And send it to the server of terminal.Broadcast singal may include TV broadcast singal, radio signals, data broadcasting
Signal etc..Moreover, broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast phase
Closing information can also provide via mobile communications network, and in this case, broadcast related information can be by mobile communication mould
Block 112 receives.Broadcast singal can exist in a variety of manners, for example, it can be with the electronics of digital multimedia broadcasting (DMB)
Program guide (EPG), digital video broadcast-handheld (DVB-H) electronic service guidebooks (ESG) etc. form and exist.Broadcast
Receiving module 111 can receive signal broadcast by using various types of broadcast systems.Particularly, broadcasting reception module 111
It can be wide by using such as multimedia broadcasting-ground (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video
It broadcasts-holds (DVB-H), forward link media (MediaFLO@) Radio Data System, received terrestrial digital broadcasting integrated service
(ISDB-T) etc. digit broadcasting system receives digital broadcasting.Broadcasting reception module 111, which may be constructed such that, to be adapted to provide for extensively
Broadcast the various broadcast systems and above-mentioned digit broadcasting system of signal.Via the received broadcast singal of broadcasting reception module 111 and/
Or broadcast related information can store in memory 160 (or other types of storage medium).
Mobile communication module 112 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal may include that voice is logical
Talk about signal, video calling signal or according to text and/or Multimedia Message transmission and/or received various types of data.
The Wi-Fi (Wireless Internet Access) of the support mobile terminal of wireless Internet module 113.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved in the module may include WLAN (Wireless LAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 114 is the module for supporting short range communication.Some examples of short-range communication technology include indigo plant
ToothTM, radio frequency identification (RFID), Infrared Data Association (IrDA), ultra wide band (UWB), purple honeybeeTMEtc..
Location information module 115 is the module for checking or obtaining the location information of mobile terminal.Location information module
Typical case be GPS (global positioning system).According to current technology, GPS module 115, which calculates, comes from three or more satellites
Range information and correct time information and the Information application triangulation for calculating, thus according to longitude, latitude
Highly accurately calculate three-dimensional current location information.Currently, it is defended for the method for calculating position and temporal information using three
Star and the error that calculated position and temporal information are corrected by using an other satellite.In addition, GPS module 115
It can be by Continuous plus current location information in real time come calculating speed information.
A/V input unit 120 is for receiving audio or video signal.A/V input unit 120 may include 121 He of camera
Microphone 1220, camera 121 is to the static map obtained in video acquisition mode or image capture mode by image capture apparatus
The image data of piece or video is handled.Treated, and picture frame may be displayed on display unit 151.At camera 121
Picture frame after reason can store in memory 160 (or other storage mediums) or carry out via wireless communication unit 110
It sends, two or more cameras 1210 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone relation mould
Sound (audio data) is received via microphone in formula, logging mode, speech recognition mode etc. operational mode, and can be incited somebody to action
Such acoustic processing is audio data.Audio that treated (voice) data can be converted in the case where telephone calling model
For the format output that can be sent to mobile communication base station via mobile communication module 112.Various types can be implemented in microphone 122
Noise eliminate (or inhibit) algorithm with eliminate noise that (or inhibition) generates during sending and receiving audio signal or
Person's interference.
The order that user input unit 130 can be inputted according to user generates key input data to control each of mobile terminal
Kind operation.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome, touch
Plate (for example, the sensitive component of detection due to the variation of resistance, pressure, capacitor etc. caused by being contacted), idler wheel, rocking bar etc.
Deng.Particularly, when touch tablet is superimposed upon in the form of layer on display unit 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes shape
State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.For example, sensing unit 140 can sense when mobile terminal 100 is embodied as sliding-type mobile phone
The sliding-type phone is to open or close.In addition, sensing unit 140 be able to detect power supply unit 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 may include that proximity sensor 1410 will combine below
Touch screen is described this.
Interface unit 170 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be storage and use each of mobile terminal 100 for verifying user
It plants information and may include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM)
Etc..In addition, the device (hereinafter referred to as " identification device ") with identification module can take the form of smart card, therefore, know
Other device can be connect via port or other attachment devices with mobile terminal 100.Interface unit 170, which can be used for receiving, to be come from
The input (for example, data information, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connect with external base, interface unit 170 may be used as allowing will be electric by it
Power, which is provided from pedestal to the path or may be used as of mobile terminal 100, allows the various command signals inputted from pedestal to pass through it
It is transferred to the path of mobile terminal.The various command signals or electric power inputted from pedestal, which may be used as mobile terminal for identification, is
The no signal being accurately fitted on pedestal.Output unit 150 is configured to provide with vision, audio and/or tactile manner defeated
Signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.) out.Output unit 150 may include display
Unit 151, audio output module 152, alarm unit 153 etc..
Display unit 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity
When talking about call mode, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia file
Downloading etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling mode
Or when image capture mode, display unit 151 can show captured image and/or received image, show video or figure
Picture and the UI or GUI of correlation function etc..
Meanwhile when display unit 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display unit
151 may be used as input unit and output device.Display unit 151 may include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to watch from outside, this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, mobile terminal 100 may include two or more display units (or other display devices), for example, moving
Dynamic terminal may include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detecting touch
Input pressure and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is when under the isotypes such as speech recognition mode, broadcast reception mode, wireless communication unit 110 is received or in memory 160
The audio data transducing audio signal of middle storage and to export be sound.Moreover, audio output module 152 can provide and movement
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 executes.
Audio output module 152 may include loudspeaker, buzzer etc..
Alarm unit 153 can provide output notifying event to mobile terminal 100.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..Other than audio or video output, alarm unit
153 can provide output in different ways with the generation of notification event.For example, alarm unit 153 can be in the form of vibration
Output is provided, when receiving calling, message or some other entrance communications (incoming communication), alarm list
Member 153 can provide tactile output (that is, vibration) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm unit 153
The output of the generation of notification event can be provided via display unit 151 or audio output module 152.
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And memory 160 can store about the vibrations of various modes and audio signal exported when touching and being applied to touch screen
Data.
Memory 160 may include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more
Media card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can execute memory with by network connection
The network storage device of 160 store function cooperates.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 executes and voice communication, data
Communication, video calling etc. relevant control and processing.In addition, controller 180 may include for reproducing (or playback) more matchmakers
The multi-media module 1810 of volume data, multi-media module 1810 can construct in controller 180, or can be structured as and control
Device 180 processed separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or figure
Piece draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Electric power appropriate needed for part and component.
Various embodiments described herein can be to use the calculating of such as computer software, hardware or any combination thereof
Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai
Implement, software code can store in memory 160 and be executed by controller 180.
So far, oneself is through describing mobile terminal according to its function.In the following, for the sake of brevity, will description such as folded form,
Slide type mobile terminal in various types of mobile terminals of board-type, oscillating-type, slide type mobile terminal etc., which is used as, to be shown
Example.Therefore, the present invention can be applied to any kind of mobile terminal, and be not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 may be constructed such that using via frame or grouping send data it is all if any
Line and wireless communication system and satellite-based communication system operate.
Referring now to Fig. 2 description communication system that wherein mobile terminal according to the present invention can operate.
Different air interface and/or physical layer can be used in such communication system.For example, used by communication system
Air interface includes such as frequency division multiple access (FDMA), time division multiple acess (TDMA), CDMA (CDMA) and universal mobile communications system
System (UMTS) (particularly, long term evolution (LTE)), global system for mobile communications (GSM) etc..As non-limiting example, under
The description in face is related to cdma communication system, but such introduction is equally applicable to other types of system.
With reference to Fig. 2, cdma wireless communication system may include multiple mobile terminals 100, multiple base stations (BS) 270, base station
Controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and Public Switched Telephony Network (PSTN)
290 form interface.MSC280 is also structured to form interface with the BSC275 that can be couple to base station 270 via back haul link.
Back haul link can be constructed according to any in several known interfaces, and the interface includes such as E1/T1, ATM, IP,
PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system may include multiple BSC2750 as shown in Figure 2.
Each BS270 can service one or more subregions (or region), by multidirectional antenna or the day of direction specific direction
Each subregion of line covering is radially far from BS270.Alternatively, each subregion can be by two or more for diversity reception
Antenna covering.Each BS270, which may be constructed such that, supports multiple frequency distribution, and the distribution of each frequency has specific frequency spectrum
(for example, 1.25MHz, 5MHz etc.).
What subregion and frequency were distributed, which intersects, can be referred to as CDMA Channel.BS270 can also be referred to as base station transceiver
System (BTS) or other equivalent terms.In this case, term " base station " can be used for broadly indicating single
BSC275 and at least one BS270.Base station can also be referred to as " cellular station ".Alternatively, each subregion of specific BS270 can be claimed
For multiple cellular stations.
As shown in Figure 2, broadcast singal is sent to the mobile terminal operated in system by broadcsting transmitter (BT) 295
100.Broadcasting reception module 111 as shown in Figure 1 is arranged at mobile terminal 100 to receive the broadcast sent by BT295
Signal.In fig. 2 it is shown that several global positioning system (GPS) satellites 300.The help of satellite 300 positions multiple mobile terminals
At least one of 100.
In Fig. 2, multiple satellites 300 are depicted, it is understood that, it is useful to can use any number of satellite acquisition
Location information.GPS module 115 as shown in Figure 1 is generally configured to cooperate with satellite 300 to obtain desired positioning and believe
Breath.It substitutes GPS tracking technique or except GPS tracking technique, the other of the position that can track mobile terminal can be used
Technology.In addition, at least one 300 property of can choose of GPS satellite or extraly processing satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link from various mobile terminals 100
Signal.Mobile terminal 100 usually participates in call, information receiving and transmitting and other types of communication.Certain base station 270 is received each anti-
It is handled in specific BS270 to link signal.The data of acquisition are forwarded to relevant BSC275.BSC provides call
The mobile management function of resource allocation and the coordination including the soft switching process between BS270.The number that BSC275 will also be received
According to MSC280 is routed to, the additional route service for forming interface with PSTN290 is provided.Similarly, PSTN290 with
MSC280 forms interface, and MSC and BSC275 form interface, and BSC275 controls BS270 correspondingly with by forward link signals
It is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the present invention is proposed.
Embodiment one
In the present embodiment, the core concept of method for processing video frequency are as follows:
1) video file is cut into small documents by big file, fragment uploads, and efficiency of transmission, Er Qieke not only can be improved
The flow of client caused by retransmitting is needed to expend after transmission fails to reduce；
2) the multiple small documents parallel decoding compression processings for obtaining cutting reduce the processing time；It merges again later
At a file, this document very little can be shared by operation system use；
3) multiple small documents can be used for more advanced piecemeal broadcast multiple segments voice separately.
Based on above-mentioned core concept, the method for processing video frequency in the present embodiment includes: the pre-treatment step of client, and
The processing step of server-side.It will be described in detail respectively below.
One, the pretreatment of client
Referring to Fig. 3, the pre-treatment step of client includes:
Step 301, in the preparatory installation file splitting tool of client and compressing file tool.File declustering tool can be adopted
With ffmpeg tool, compressing file tool can use gzip tool.
Step 302, client obtain video file to be processed；The video file can be by client real-time recording, can also
To select the video file being locally stored.
In order to further speed up treatment effeciency, in recorded video file, the resolution ratio and record of camera can control
Duration processed, preferred resolution 480p, preferably when a length of 1min within；When selecting local video file, video text can be limited
The size of part, within preferably 100M.
It should be noted that when naming video file, it is ensured that the filename that client generates is unique, reference
Server is generated using the ID that Snowflake is twitter open source to generate new filename；Then the entitled increasing of file after cutting
Add incremental serial number, with reference to as follows:
Original:
aaaaaaaaaaaaaaaa.mp4
N small documents:
aaaaaaaaaaaaaaaa_0.mp4
aaaaaaaaaaaaaaaa_1.mp4
……
aaaaaaaaaaaaaaaa_n-1.mp4。
Step 303, application file splitting tool (such as ffmpeg tool), are split as several for video file to be processed
Neglect frequency file.In this step, video file can be split according to preset duration, such as 10s.
Step 304, application file tool of compression (such as gzip tool) are neglected each frequency file and are compressed respectively, lead to
It crosses http these is neglected into frequency file and be uploaded to server-side.
Before through transmitting file on http, Http request header setting rule is as follows:
File-Range aaaaaaaaaaaaaaaa.mp4checksum 0/n
Content-Range bytes 0-1023/4096。
It is described as follows:
Aaaaaaaaaaaaaaaa.mp4: for filename, for judging that small documents belong to the same video file；
Checksum is the crc32 check code of file, whether loses data in transmission for verifying file；
0th file of 0/n:n small documents；
: fragment starting position-fragment end position/file size (sizes of small documents).
In above-mentioned process, transmission effect is not only can be improved by uploading again to video file fractionation and after compressing in client
Rate can also reduce the network flow expended in transmission process, and transmission success rate in addition also can be improved, and transmit in part small documents
The part small documents are only retransmitted when failure.
Two, the processing of server-side
Referring to Fig. 4, the process flow of server-side includes:
Step 401, upload server receive the fragment video file that client uploads.
Upload server first carries out crc32 verification to file after receiving slicing files, if crc32 verification failure, returns
Mistake allows client to transmit again to client；
After receiving first effective fragment video file, that is, establishes a file information storage and (be such as stored in database
In), this document is temporarily stored in local disk, successive fragment updates this document information after uploading, and (file information structure is seen below
Face), after all fragment video files all upload, after being unziped it to each file using gunzip tool, deposit point
In cloth file system, slice_files- > file is storage path of the file in distributed file system in information.
In this step, the file information structure that upload server is established is as follows:
Illustrate:
File: old file name
Outfile: the file path finally merged
Slice_num: the number of files of fragment, n
Slice_files: File information array
Slice_files- > slice_no: fragment serial number, from 0 to (n-1)
Slice_files- > file: fragment original path
Slice_files- > outfile: fragment decodes compressed outgoing route.
Step 402, after judging that all fragment video files all receive, upload server to dispatch server send
The video of current video file (such as file=aaaaaaaaaaaaaaaa.mp4) handles request.
After step 403, dispatch service receive processing request, the fragment letter of file is obtained from database according to video file
Each fragment video file is generated a processing request and is put into video compress decoding process queue by breath.
Information in the queue is as follows, includes the title of fragment video file:
Step 404, video decoding compression processing server obtain task from video compress decoding process queue, then from
Former fragment video file is downloaded in distributed file system, is decoded compression using ffmpeg tool, by the deposit point of new file
Cloth file system, and notify dispatch server.
After step 405, dispatch server receive single slicing files processing completion notice, found according to target_file
The file information simultaneously updates corresponding slicing files information in slice_files.
Step 406, after the last one slicing files complete compression processing after, dispatch server generate a merging task put
Enter to merge in queue.
Information in the queue is as follows:
Step 407, video merging processing service node obtain task from queue, according to information, respectively from distributed text
It is in part system that new fragment video file is locally downloading, a video slicing file is then pressed into fragment serial number using ffmpeg
Sequence merges into a complete video file, new video file is stored in distributed file system, by result notice
Dispatch server.
After step 408, dispatch server receive amalgamation result, according to file by information update into the file information.
In above-mentioned process, it includes two classes that video, which handles queue, is decoding compression processing task queue and merging treatment respectively
Task queue, each slicing files need one decoding compression duty of corresponding generation, thus will generate n in entire process flow
+ 1 task, i.e., the decoding compression duty and 1 the merging this n compressed file of decoding of the task of n small documents.
Embodiment two
As shown in figure 5, the present embodiment two provides a kind of processing system for video, including client 500 and server-side 600,
The two is connected by network communication.
Client 500, including multiple terminals, the type of terminal can for any mobile phone, tablet computer, desktop computer etc. but
It is not limited to this,
Each client 500 specifically includes:
Video file obtains module 510, records for selecting the video file recorded from local data base, or in real time
Video file processed, as video file to be processed；Certainly, selection or the video file newly recorded meet preset as far as possible
Condition, such as resolution ratio, file size, to guarantee excellent treatment effect；
File declustering module 520 obtains several small texts for splitting video file to be processed by ffmpeg tool
Part (can also be referred to as slicing files)；
Compressing file module 530, for being compressed each small documents respectively by gzip tool, to further decrease file
Size；
File uploading module 540, for compressed each small documents to be uploaded to server-side by http.
Server-side 600, specifically includes: upload server 610, dispatch server 620, video compress decoding process services set
Group 630, video merging handle service cluster 640, distributed file system 650.
Upload server 610, it is first that it is temporary when receiving slicing files for receiving the slicing files of client upload
It deposits in local disk, is stored in distributed file system after decompressing after all slicing files all upload to each slicing files
In 650, while request is handled to the video that dispatch server 620 sends the video file.
Dispatch server 620, for being generated according to the burst information of the video file when receiving video processing request
The compression coding processing task of several slicing files is simultaneously put into video compress decoding process queue, by video compress decoding process
Server is handled；It is also used to generate merging task after the completion of the processing of all slicing files compression codings and is put into merging queue
In；
Video compress decoding process service cluster 630, including multiple video compress decoding process servers, for respectively from
Former slicing files are downloaded in distributed file system, and after being decoded compression using ffmpeg tool, new slicing files are deposited
Enter distributed file system, and notifies dispatch server；The cluster may be implemented the parallel processing of multiple slicing files, at raising
Manage efficiency；
Video merging handles service cluster 640, includes multiple video merging processing servers, for from merging queue
It obtains and merges mission bit stream, new slicing files are downloaded to local from distributed file system accordingly, reuse ffmpeg
Each video slicing file is merged into a complete video file by fragment numeric order by tool, and new video file is deposited
Enter in distributed file system, later by result notice dispatch server.
In the present embodiment, client split video file, compress after upload, can reduce the network flow of consuming
Amount improves efficiency of transmission；Server-side can carry out parallel processing to these slicing files under cluster, when can shorten processing
Between, a complete video file is merged into after processing again, thus there is multiple slicing files and a complete big text
Part can carry out piecemeal and play and individually play, be suitble to the application environment of various complexity, promote user in video broadcasting field
Experience.
Back and forth it should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or device including a series of elements are 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 device
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 device including the element.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, computer, clothes
Business device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of method for processing video frequency, which is characterized in that the method comprising the steps of:
Client obtains video file to be processed, is split as several slicing files and is uploaded to service respectively after compressing
End；
The server-side receives the slicing files from client, after all slicing files waiting for receiving video file to be processed
It is decompressed to contract and is stored in distributed file system；
Each slicing files that video file to be processed is downloaded from distributed file system carry out each slicing files parallelly compressed
Decoding, later will be in new slicing files deposit distributed file system；
New slicing files are obtained from distributed file system, and each slicing files are merged into a complete video file,
It will be in new video file deposit distributed file system.
2. method for processing video frequency as described in claim 1, which is characterized in that the method for obtaining video file to be processed are as follows: press
Local video file or real-time recording video file are selected according to preset resolution ratio, size and/or duration threshold value.
3. method for processing video frequency as described in claim 1, which is characterized in that the server-side receives the step of slicing files and wraps
It includes:
When receiving first effective slicing files, that is, establish a corresponding the file information and by the file information storage in this
In local disk；
It is subsequent often receive an effective slicing files when, update the file information；
After all slicing files of video file to be processed all upload, each slicing files are carried out using a decompression tool
Decompression is stored in distributed file system later.
4. method for processing video frequency as described in claim 1, which is characterized in that slicing files are passed through Http points by the client
It is not uploaded to server-side, the Http header format of each slicing files are as follows: video files names+check code+slicing files serial number+
Fragment starting position-slicing files end position/file size.
5. method for processing video frequency as described in claim 1, which is characterized in that described to carry out parallelly compressed solution to each slicing files
The processing step of code further comprises:
After receiving all slicing files of video file to be processed, video processing request is generated；
It is handled and is requested according to the video, each slicing files letter of video file to be processed is obtained from distributed file system
Breath generates a corresponding compression coding task for each slicing files and is put into video compress decoding process queue；
Each video compress decoding server obtains task from the video compress decoding process queue, then from distributed text
Former slicing files are downloaded in part system, are stored in distributed field system after being compressed into new slicing files to this former slicing files decoding
In system.
6. method for processing video frequency as claimed in claim 5, which is characterized in that it is described by each slicing files merging treatment the step of
Further comprise:
After all slicing files of video file to be processed complete decoding compression processing, the corresponding merging task of generation is put into
Merge in queue；
Video merging processing server obtains task from queue is merged, and all new slicing files are merged into a complete video
It is stored in distributed file system after file.
7. a kind of processing system for video, including client and server-side, which is characterized in that
The client is uploaded to service for video file to be processed to be split as several slicing files after compression processing
End；
The server-side, for receiving the slicing files from client, all fragments waiting for receiving video file to be processed
It is decompressed to contract after file and is stored in distributed file system；It is also used to download video to be processed from distributed file system
Each slicing files of file carry out parallelly compressed decoding to each slicing files, later by the new distributed text of slicing files deposit
In part system；And new slicing files are obtained from distributed file system, each slicing files are merged into one completely
Video file, will be in new video file deposit distributed file system.
8. processing system for video as claimed in claim 7, which is characterized in that the server-side includes: upload server, scheduling
Server, video compress decoding process service cluster, video merging handle service cluster, distributed file system,
The upload server, it is waiting to receive all of video file to be processed for receiving the slicing files of client upload
It is decompressed after slicing files, is stored in distributed file system, and sends the video file to be processed to dispatch server
Video handle request；
The dispatch server, for receive video processing request when, to video compress decoding process service cluster, video
Server in merging treatment service cluster is scheduled, and completes the compression coding and merging treatment of slicing files；
The video compress decoding process service cluster, including multiple video compress decoding process servers are used for from distribution
Each slicing files that video file to be processed is downloaded in file system carry out compression coding to it, later by new slicing files
It is stored in distributed file system；
The video merging handles service cluster, includes multiple video merging processing servers, is used for from distributed field system
New slicing files are obtained in system, each slicing files are merged into a complete video file, and new video file is stored in
In distributed file system.
9. processing system for video as claimed in claim 7, which is characterized in that the client specifically: mobile phone, plate electricity
Brain, laptop, desktop computer；The client specifically includes:
Video file obtains module, for selecting the video file recorded or real-time recording video from local data base
File, as video file to be processed；
File declustering module obtains several slicing files for splitting the video file to be processed；
Compressing file module, for compressing each slicing files respectively；
File uploading module, for compressed each slicing files to be uploaded to server-side by http.
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