CN105245938B - The device and method for playing multimedia file - Google Patents
The device and method for playing multimedia file Download PDFInfo
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- CN105245938B CN105245938B CN201510641856.1A CN201510641856A CN105245938B CN 105245938 B CN105245938 B CN 105245938B CN 201510641856 A CN201510641856 A CN 201510641856A CN 105245938 B CN105245938 B CN 105245938B
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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]
- H04N21/40—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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
-
- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of device and method for playing multimedia file, and device includes: the video module for playing video；For playing the audio-frequency module of audio；Video/audio channel division module, for video module to be divided into multiple video channels；And for audio-frequency module to be divided into multiple voice-grade channels；Requirement analysis module, for analyzing whether multimedia file has audio output demand and/or video output demand；Video channel selecting module is that multimedia file plays video by selected video channel for selecting a video channel for multimedia file when multimedia file has video output demand；Voice-grade channel selecting module is that multimedia file plays audio by selected audio channel for selecting a voice-grade channel for multimedia file when multimedia file has audio output demand.According to the technical solution of the present invention, it can be realized on same mobile terminal and play different multimedia files.
Description
Technical field
The present invention relates to electronic information technical field more particularly to a kind of device and method for playing multimedia file.
Background technique
With the update iteration of intelligent mobile phone terminal, multi-user body of the user for the multimedia application of mobile intelligent terminal
Testing has had certain demand.
In the current technology, by user using equipment multimedia application video/audio interface output on have
Single limitation so that multi-user experience when have the disadvantages that single terminal can only meet user in same terminal
Same multimedia file is watched and listened to, and can not accomplish to carry out multiple multimedia usage experiences in same terminal, than
Such as, when multiple users watch film by same terminal, a film can only be watched jointly, and multiple users is not allowed for watch
Different films.
Summary of the invention
It is a primary object of the present invention to propose a kind of device and method for playing multimedia file, it is intended to pass through same shifting
Dynamic terminal is that different user plays different multimedia files.
To achieve the above object, a kind of device playing multimedia file provided by the invention, comprising: for playing video
Video module；For playing the audio-frequency module of audio；Video/audio channel division module, for drawing the video module
It is divided into multiple video channels, each video channel plays video on preset different split screens on the screen of the mobile terminal；
And for the audio-frequency module to be divided into multiple voice-grade channels, each voice-grade channel is used for through the mobile terminal not
Audio is played with audio output interface；Requirement analysis module, for analyze multimedia file whether have audio output demand and/
Or video exports demand；Video channel selecting module, for being described when the multimedia file has video output demand
Multimedia file selects a video channel, is that the multimedia file plays video by selected video channel；Voice-grade channel choosing
Module is selected, for selecting an audio logical for the multimedia file when the multimedia file has audio output demand
Road is that the multimedia file plays audio by selected audio channel.
Optionally, the device above-mentioned for playing multimedia file, video/audio channel division module is according to preset
Maximum split screen quantity or the resource upper limit of preset each video channel consumption, determine the multiple video channel to be divided
Quantity；And according to the quantity of the different audio output interfaces or the resource upper limit of preset each voice-grade channel consumption, really
The quantity of fixed the multiple voice-grade channel to be divided.
Optionally, the device above-mentioned for playing multimedia file, the video channel selecting module are literary from the multimedia
Multimedia parameter and screen parameter are obtained in part, and are sent to the selected video channel and are corresponded to being arranged by the screen parameter
Split screen and by the multimedia parameter play video；The voice-grade channel selecting module obtains more from the multimedia file
Media parameter, and the selected audio channel is sent to play audio by the multimedia parameter.
Optionally, the device above-mentioned for playing multimedia file, the video module are described each by time-sharing format
Video channel carries out video playing；The audio-frequency module is that each voice-grade channel carries out audio broadcasting by time-sharing format.
Optionally, the device above-mentioned for playing multimedia file, further includes: split screen position determination module, for detecting
The posture for stating the screen of mobile terminal determines described different points divided on the screen according to the posture of the screen
The position of screen.
Optionally, the device above-mentioned for playing multimedia file, the video channel selecting module detect the user or
The relative position of external equipment and the mobile terminal that the user uses, selects a video channel to make selected video channel
The position of corresponding split screen on the screen is corresponded to each other with the relative position.
Optionally, the device above-mentioned for playing multimedia file, further includes: incidence relation management module, for being same
The corresponding video channel of multimedia file and voice-grade channel establish incidence relation, and described same according to incidence relation control
The corresponding video channel of multimedia file and voice-grade channel are exported, so that the video of the same multimedia file of output
It is mutually matched with audio.
Optionally, the device above-mentioned for playing multimedia file, the incidence relation management module release different multimedia
Established incidence relation between the corresponding video channel of file and voice-grade channel.
To achieve the above object, the present invention also provides a kind of methods for playing multimedia file, comprising: will be used to play
The video module of video is divided into multiple video channels, and each video channel is for preset difference on the screen of the mobile terminal
Video is played on split screen；The audio-frequency module for being used to play audio is divided into multiple voice-grade channels, each voice-grade channel is for leading to
The different audio output interfaces for crossing the mobile terminal play audio；Whether analysis multimedia file has audio output demand
And/or video exports demand；When the multimedia file has video output demand, one is selected for the multimedia file
Video channel is that the multimedia file plays video by selected video channel；There is audio output in the multimedia file
When demand, a voice-grade channel is selected for the multimedia file, is that the multimedia file plays sound by selected audio channel
Frequently.
Optionally, the method above-mentioned for playing multimedia file is more the video module for being used to play video to be divided into
Before a video channel, further includes: according in preset maximum split screen quantity or the resource of preset each video channel consumption
Limit, determines the quantity of the multiple video channel to be divided；The audio-frequency module for being used to play audio is being divided into multiple sounds
Before frequency channel, further includes: according to the quantity of the different audio output interfaces or the money of preset each voice-grade channel consumption
The source upper limit determines the quantity of the multiple voice-grade channel to be divided.
Optionally, the method above-mentioned for playing multimedia file is multimedia file broadcasting by selected video channel
Video specifically includes: obtaining multimedia parameter and screen parameter from the multimedia file, and is sent to the selected video
Channel corresponding split screen is arranged by the screen parameter and plays video by the multimedia parameter；It is by selected audio channel
The multimedia file plays audio, specifically includes: obtaining multimedia parameter from the multimedia file, and is sent to described
Selected audio channel is to play audio by the multimedia parameter.
Optionally, the method above-mentioned for playing multimedia file, the video module are described each by time-sharing format
Video channel carries out video playing；The audio-frequency module is that each voice-grade channel carries out audio broadcasting by time-sharing format.
Optionally, the method above-mentioned for playing multimedia file is selecting a video channel for the multimedia file,
Before being multimedia file broadcasting video by selected video channel, further includes: detect the screen of the mobile terminal
Posture, the position of the different split screens divided on the screen is determined according to the posture of the screen.
Optionally, the method above-mentioned for playing multimedia file selects a video channel, tool for the multimedia file
Body includes: the relative position for detecting external equipment and the mobile terminal that the user or the user use, selects one
Video channel corresponds to each other the position of the corresponding split screen of selected video channel on the screen with the relative position.
Optionally, the method above-mentioned for playing multimedia file, further includes: logical for the corresponding video of same multimedia file
Road and voice-grade channel establish incidence relation, and control the corresponding video of the same multimedia file according to the incidence relation and lead to
Road and voice-grade channel are exported, so that the video of the same multimedia file of output and audio are mutually matched.
Optionally, the method above-mentioned for playing multimedia file, further includes: release the corresponding video of different multimedia file
Established incidence relation between channel and voice-grade channel.
The device and method proposed by the present invention for playing multimedia file, have at least the following advantages:
In the inventive solutions, virtual grate is carried out according to audio-frequency module, video module, to obtain multiple
Video channel and multiple voice-grade channels then can handle different audio or view using multiple video channels and multiple voice-grade channels
Frequently, this allows for can handle different multimedia files in same terminal, and multiple and different multimedia audios, video pass through
Different video channels, different voice-grade channel complementations are intrusively handled, and finally in different split screens, different audio output
It is exported in interface；It can be seen that according to the technical solution of the present invention, can be realized on same mobile terminal play it is different more
Media file.
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 block diagram according to the device of the broadcasting multimedia file of one embodiment of the present of invention；
Fig. 4 is the schematic diagram according to the device of the broadcasting multimedia file of one embodiment of the present of invention；
Fig. 4 A is the operation schematic diagram according to the device of the broadcasting multimedia file of one embodiment of the present of invention；
Fig. 4 B is the operation schematic diagram according to the device of the broadcasting multimedia file of one embodiment of the present of invention；
Fig. 5 is the block diagram according to the device of the broadcasting multimedia file of one embodiment of the present of invention；
Fig. 6 is the flow chart according to the device of the broadcasting multimedia file of one embodiment of the present of invention；
Fig. 7 is the flow chart according to the device of the broadcasting multimedia file of one embodiment of the present of invention.
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.
Fig. 1 to realize the present invention the mobile terminal of each embodiment hardware configuration signal.
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.Extensively
Signal broadcast can be received by using various types of broadcast systems by broadcasting receiving module 111.Particularly, broadcasting reception module
111 can be regarded by using such as multimedia broadcasting-ground (DMB-T), digital multimedia broadcasting-satellite (DMB-S), number
Frequency Broadcasting-Handheld (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 122, camera 121 is to the static images obtained in video acquisition mode or image capture mode by image capture apparatus
Or the image data of video is handled.Treated, and picture frame may be displayed on display unit 151.It is handled through camera 121
Picture frame afterwards can store in memory 160 (or other storage mediums) or be sent out via wireless communication unit 110
It send, two or more cameras 121 can be provided according to the construction of mobile terminal.Microphone 122 can be in telephone calling model, note
Sound (audio data) is received via microphone in record mode, speech recognition mode etc. operational mode, and can will in this way
Acoustic processing be audio data.Audio that treated (voice) data can be converted in the case where telephone calling model can
The format output of mobile communication base station is sent to via mobile communication module 112.Various types of make an uproar can be implemented in microphone 122
Sound eliminates (or inhibition) algorithm to eliminate the noise or do that (or inhibition) generates during sending and receiving audio signal
It disturbs.
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 be felt when mobile terminal 100 is embodied as sliding-type mobile phone
Surveying the sliding-type phone is to open or close.In addition, sensing unit 140 is able to detect whether power supply unit 190 provides electric power
Or whether interface unit 170 couples with external device (ED).Sensing unit 140 may include that proximity sensor 141 will be tied below
Touch screen is closed this to be described.
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
When telephone calling model, display unit 151 can show and converse or other communicate (for example, text messaging, multimedia are literary
Part downloading etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling mould
When formula or image capture mode, display unit 151 can show captured image and/or received image, video is shown or
Image 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 (incomingcommunication), 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 are deposited
Reservoir (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 181 of volume data, multi-media module 181 can construct in controller 180, or can be structured as and control
Device 180 separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or picture
It 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 (including
270A and 270B), base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is configured to and public telephone
Exchange network (PSTN) 290 forms interface.MSC280 is also structured to and can be couple to base station 270 via back haul link
BSC275 forms interface.Back haul link can be constructed according to any in several known interfaces, and the interface includes example
Such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.It will be appreciated that system can wrap as shown in Figure 2
Include multiple BSC275.
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
Information.It substitutes GPS tracking technique or except GPS tracking technique, its that can track the position of mobile terminal can be used
Its 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 method for the present invention is proposed.
As shown in figure 3, providing a kind of device for playing multimedia file in the first embodiment of the present invention, comprising:
For playing the video module 310 of video.In the present embodiment, video module includes based on video decoding chip
Software and hardware.
For playing the audio-frequency module 320 of audio.In the present embodiment, audio-frequency module includes based on audio decoder chip
Software and hardware.
Video/audio channel division module 330, for video module to be divided into multiple video channels, each video is logical
Road plays video on preset different split screens on the screen of the mobile terminal.In the present embodiment, each split screen occupies screen
Region some or all of on curtain, the size of split screen, position are unlimited, and simultaneous split screen quantity it is different when, size
Also it changes, each split screen size depends on split screen quantity and screen area in work.
Video/audio channel division module 330 is also used to for audio-frequency module being divided into multiple voice-grade channels, and each audio is logical
Road is used to play audio by the different audio output interfaces of mobile terminal.In the present embodiment, different audio interface are independently defeated
Sound out, for example, can be exported respectively by the different output devices such as earphone, loudspeaker.In the technical side of the present embodiment
In case, video/audio channel division module 330 has divided multiple groups video channel and voice-grade channel, it is to be understood that the multiple groups
Video channel and voice-grade channel are to carry out logical partitioning by video module 310, the audio-frequency module 320 to physical presence to obtain
Virtual treatment channel unit.
Requirement analysis module 340, for analyzing whether multimedia file there is audio output demand and/or video output to need
It asks.In the present embodiment, multimedia file can be the file of video file, audio file or the two mixing.
Video channel selecting module 350, for being selected for multimedia file when multimedia file has video output demand
A video channel is selected, is that multimedia file plays video by selected video channel.Specifically, video channel selecting module 350
Multimedia parameter and screen parameter are obtained from multimedia file, and are sent to selected video channel by screen parameter setting pair
It answers split screen and plays video by multimedia parameter.In the present embodiment, when playing video in addition to the content of broadcasting to be obtained
Also determine that screen needed for playing video content is arranged outside, it is therefore desirable to extract two groups of parameters and establish signal chains sending and receiving and be sent to
Corresponding video channel.
Voice-grade channel selecting module 360, for being selected for multimedia file when multimedia file has audio output demand
A voice-grade channel is selected, is that multimedia file plays audio by selected audio channel.Specifically, voice-grade channel selecting module 360
Multimedia parameter is obtained from multimedia file, and is sent to selected audio channel to play audio by multimedia parameter.At this
In embodiment, signal link is established after extracting the corresponding multimedia detail parameters of audio, is linked by signal multimedia is detailed
Parameter is sent to respective audio channel.
Further, video module 310 is that each video channel carries out video playing by time-sharing format；Audio-frequency module
320 carry out audio broadcasting by time-sharing format for each voice-grade channel.In the technical scheme of this embodiment, due to different more
Media file is played out by video module 310, audio-frequency module 320, so needing based on time-sharing format, i.e. video module
310, the different multimedia file of chip processing, circulation are handled, are realized to not audio-frequency module 320 in different times
With the broadcasting of multimedia file.And since different sounds, video processing, output demand are not generally synchronous generation, base
In the scheme of time-division processing, timesharing, the sound of asynchronous process user access, video processing, output demand may be implemented.The present embodiment
Broadcasting multimedia file device working principle it is finally as shown in Figure 4.The concrete application of the present embodiment is described below:
1) for example, in time T1, multimedia file X1 has the process demand of voice-grade channel A1, video channel B1, then
Time T2, the multimedia file Y2 of access have the process demand of voice-grade channel A2.Different voice-grade channel point can then be passed through
The audio data of above-mentioned video X1, audio Y2 are managed in other places, and voice-grade channel A1 and voice-grade channel A2 will not be interfered mutually, rear to access
Voice-grade channel A2 will not influence the voice-grade channel A1 being previously accessed audio data play.One concrete application scene are as follows: use
Family A listens song (Y2) with earphone (A2), does not need to see screen, and user B full screen (B1) simultaneously opens loudspeaker (A1) and watches movie
(X1), the schematic diagram exported is Fig. 4 A.
2) for example, in time T1, multimedia file X1 has the process demand of voice-grade channel A1, video channel B1, then
Time T2, the multimedia file Y2 of access have the process demand of voice-grade channel A2, video channel B2.Therefore, respectively by not
Same voice-grade channel handles the audio data of above-mentioned multimedia file X1, multimedia file Y2 respectively, passes through different views respectively
Frequency channel handles the video data of above-mentioned multimedia file X1, multimedia file Y2 respectively.One concrete application scene are as follows: user
A takes a fancy to the film of screen (B1) with earphone (A1), and user B is seen the film of lower screen (B2) using loudspeaker (A2), exported
Schematic diagram is Fig. 4 B；The Baffle Box of Bluetooth (A1) that user A is output to room M by bluetooth plays, and user B passes through loudspeaking in room N
Device (A2) listens the song of broadcasting, user B can also continue to it is any be related to the operation of audio processing, for example, wearing earphone listens song (ear
Machine), answer make a phone call (loudspeaker), etc..
As shown in figure 5, providing a kind of device for playing multimedia file in the second embodiment of the present invention, comprising:
For playing the video module 510 of video.
For playing the audio-frequency module 520 of audio.
Video/audio channel division module 530, for video module to be divided into multiple video channels, each video is logical
Road plays video on preset different split screens on the screen of the mobile terminal.Specifically, video channel division module 530
According to preset maximum split screen quantity or the resource upper limit of preset each video channel consumption, determine that multiple videos to be divided are logical
The quantity in road.In the present embodiment, video channel can be arranged by the maximum process demand of split screen to divide, for example, when terminal can
The maximum split screen number of setting be 4 when, correspondingly divide 4 video channels, can also by the video channel resource consumption upper limit into
Row logical partitioning, to avoid there is the case where 510 load excessive of video module.
Video/audio channel division module 530 is also used to for audio-frequency module being divided into multiple voice-grade channels, and each audio is logical
Road is used to play audio by the different audio output interfaces of mobile terminal.In the present embodiment, it can be connect by the maximum of audio
Enter process demand setting video channel to divide, logical partitioning can also be carried out by the voice-grade channel resource consumption upper limit, to avoid going out
The case where existing 520 load excessive of audio-frequency module.
Requirement analysis module 540, for analyzing whether multimedia file there is audio output demand and/or video output to need
It asks.
Split screen position determination module 550, the posture of the screen for detecting mobile terminal, and current all multimedia texts
The video of part exports quantity required, determines the position of the different split screens divided on the screen.In the present embodiment, number of videos needs
Ask quantity corresponding with split screen quantity.For example, carrying out left and right split screen in the case where terminal is horizontal, then user A, user B distinguish
Multimedia file X1 and multimedia file Y2 are watched by left and right split screen, it is seen that according to the technical solution of the present embodiment, can be made
Split screen is obtained to be more suitable for showing on the screen.
Video channel selecting module 560, for being selected for multimedia file when multimedia file has video output demand
A video channel is selected, is that multimedia file plays video by selected video channel.Further, video channel selecting module
560 also detect the relative position of external equipment and mobile terminal that user or user use, select a video channel to make selected
The position of the corresponding split screen of video channel on the screen is corresponded to each other with relative position.For example, user A terminal left side, use
Family B then plays multimedia file X1, in right split screen broadcasting multimedia file Y2 in left split screen on the right side of terminal；In another example if
User A is exported by wired earphone, user B is exported by bluetooth headset (external equipment), then can be preferentially according to bluetooth headset
It determines with the relative bearing of terminal and is exported using the video separated screen of bluetooth headset side.
Voice-grade channel selecting module 570, for being selected for multimedia file when multimedia file has audio output demand
A voice-grade channel is selected, is that multimedia file plays audio by selected audio channel.
Incidence relation management module 580, for being established for the corresponding video channel of same multimedia file and voice-grade channel
Incidence relation, video channel selecting module and voice-grade channel selecting module control same multimedia file according to incidence relation and correspond to
Video channel and voice-grade channel exported so that output same multimedia file video and audio be mutually matched.Example
Such as, there is multimedia file X1 the audio, video data of voice-grade channel A1, video channel B1 to play demand, the multimedia then accessed
Only there is file Y2 the audio data of voice-grade channel A2 to play demand, therefore carry out logic association voice-grade channel A1, video channel
B1, this is because the video of same multimedia file and audio need to match when playing, it is therefore desirable to lead to corresponding video
Road and voice-grade channel are associated.
Incidence relation management module 570 also releases between the corresponding video channel of different multimedia file and voice-grade channel
The incidence relation of foundation.For example, playing the audio data of above-mentioned voice-grade channel A1 and voice-grade channel A2, then need to disconnect
Incidence relation therein, because not needing to match between the audio of different multimedia, video.
As shown in fig. 6, providing a kind of method for playing multimedia file in the third embodiment of the present invention, comprising:
Step 610, the video module for being used to play video is divided into multiple video channels, each video channel is used for
Video is played on preset difference split screen on the screen of mobile terminal.In the present embodiment, video module includes to be based on video solution
The software and hardware of code chip.In the present embodiment, each split screen some or all of occupies on screen region, the size of split screen, position
Set it is unlimited, and simultaneous split screen quantity it is different when, size also changes, each split screen size depend on work in
Split screen quantity and screen area.
Step 620, the audio-frequency module for being used to play audio is divided into multiple voice-grade channels, each voice-grade channel is for leading to
The different audio output interfaces for crossing mobile terminal play audio.In the present embodiment, audio-frequency module includes to be based on audio decoder core
The software and hardware of piece.In the present embodiment, different audio interface independently export sound, for example, can pass through earphone, loudspeaker respectively
It is exported etc. different output devices.In the technical scheme of this embodiment, video/audio channel division module has divided multiple groups
Video channel and voice-grade channel, it is to be understood that the multiple groups video channel and voice-grade channel are by the view to physical presence
Frequency module, audio-frequency module carry out the virtual treatment channel unit that logical partitioning obtains.
Step 630, whether analysis multimedia file has audio output demand and/or video output demand.In this implementation
In example, multimedia file can be the file of video file, audio file or the two mixing.
Step 640, when multimedia file has video output demand, a video channel is selected for multimedia file,
It is that multimedia file plays video by selected video channel.Specifically, video channel selecting module is obtained from multimedia file
Multimedia parameter and screen parameter, and selected video channel is sent to corresponding split screen is arranged by screen parameter and by multimedia
Parameter plays video.In the present embodiment, it also determines and plays in video other than the content of broadcasting to be obtained when playing video
Screen setting needed for holding, it is therefore desirable to extract two groups of parameters and establish signal chains sending and receiving and be sent to corresponding video channel.
Step 650, when multimedia file has audio output demand, a voice-grade channel is selected for multimedia file,
It is that multimedia file plays audio by selected audio channel.Specifically, voice-grade channel selecting module is obtained from multimedia file
Multimedia parameter, and selected audio channel is sent to play audio by multimedia parameter.In the present embodiment, audio pair is extracted
Signal link is established after the multimedia detail parameters answered, and respective audio is sent for multimedia detail parameters by signal link and is led to
Road.
Further, video module is that each video channel carries out video playing by time-sharing format；Audio-frequency module passes through
Time-sharing format is that each voice-grade channel carries out audio broadcasting.In the technical scheme of this embodiment, due to different multimedia texts
Part is played out by video module, audio-frequency module, so needing based on time-sharing format, i.e., video module, audio-frequency module be not
The different multimedia file of same time chip processing, circulation are handled, and the broadcasting to different multimedia file is realized.
And since different sounds, video processing, output demand are not generally synchronous generations, the scheme based on time-division processing can
To realize timesharing, the sound of asynchronous process user access, video processing, output demand.The broadcasting multimedia file of the present embodiment
The working principle of device is finally as shown in Figure 4.The concrete application of the present embodiment is described below:
1) for example, in time T1, multimedia file X1 has the process demand of voice-grade channel A1, video channel B1, then
Time T2, the multimedia file Y2 of access have the process demand of voice-grade channel A2.Different voice-grade channel point can then be passed through
The audio data of above-mentioned video X1, audio Y2 are managed in other places, and voice-grade channel A1 and voice-grade channel A2 will not be interfered mutually, rear to access
Voice-grade channel A2 will not influence the voice-grade channel A1 being previously accessed audio data play.One concrete application scene are as follows: use
Family A listens song (Y2) with earphone (A2), does not need to see screen, and user B full screen (B1) simultaneously opens loudspeaker (A1) and watches movie
(X1), the schematic diagram exported is Fig. 4 A.
2) for example, in time T1, multimedia file X1 has the process demand of voice-grade channel A1, video channel B1, then
Time T2, the multimedia file Y2 of access have the process demand of voice-grade channel A2, video channel B2.Therefore, respectively by not
Same voice-grade channel handles the audio data of above-mentioned multimedia file X1, multimedia file Y2 respectively, passes through different views respectively
Frequency channel handles the video data of above-mentioned multimedia file X1, multimedia file Y2 respectively.One concrete application scene are as follows: user
A takes a fancy to the film of screen (B1) with earphone (A1), and user B is seen the film of lower screen (B2) using loudspeaker (A2), exported
Schematic diagram is Fig. 4 B；The Baffle Box of Bluetooth (A1) that user A is output to room M by bluetooth plays, and user B passes through loudspeaking in room N
Device (A2) listens the song of broadcasting, user B can also continue to it is any be related to the operation of audio processing, for example, wearing earphone listens song (ear
Machine), answer make a phone call (loudspeaker), etc..
As shown in fig. 7, providing a kind of method for playing multimedia file in the fourth embodiment of the present invention, comprising:
Step 710, video module is divided into multiple video channels, each video channel is used for the screen in mobile terminal
Video is played on upper preset different split screens.Specifically, video channel division module 530 according to preset maximum split screen quantity or
The resource upper limit of preset each video channel consumption, determines the quantity of multiple video channels to be divided.In the present embodiment,
Video channel can be arranged by the maximum process demand of split screen to divide, for example, when the settable maximum split screen number of terminal is 4
When, 4 video channels are correspondingly divided, logical partitioning can also be carried out by the video channel resource consumption upper limit, to avoid appearance
The case where video module load excessive.
Step 720, audio-frequency module is divided into multiple voice-grade channels, each voice-grade channel is used for through mobile terminal not
Audio is played with audio output interface.In the present embodiment, video channel can be set by the maximum access process demand of audio
It divides, logical partitioning can also be carried out by the voice-grade channel resource consumption upper limit, to avoid the feelings for audio-frequency module load excessive occur
Condition.
Step 730, whether analysis multimedia file has audio output demand and/or video output demand.
Step 740, the posture of the screen of mobile terminal is detected, and the video of current all multimedia files exports demand
Quantity determines the position of the different split screens divided on the screen.In the present embodiment, number of videos quantity required and split screen quantity
It is corresponding.For example, carrying out left and right split screen in the case where terminal is horizontal, then user A, user B pass through left and right split screen respectively and watch
Multimedia file X1 and multimedia file Y2, it is seen that according to the technical solution of the present embodiment, split screen can be made to be more suitable for shielding
Show on curtain.
Step 750, when multimedia file has video output demand, a video channel is selected for multimedia file,
It is that multimedia file plays video by selected video channel.Further, video channel selecting module also detects user or user
The relative position of the external equipment and mobile terminal that use selects a video channel that the selected corresponding split screen of video channel is made to exist
Position on screen is corresponded to each other with relative position.For example, user A in the left side of terminal, user B on the right side of terminal, then exist
Left split screen plays multimedia file X1, plays multimedia file Y2 in right split screen；In another example if user A is defeated by wired earphone
Out, user B is exported by bluetooth headset (external equipment), then can preferentially be determined according to the relative bearing of bluetooth headset and terminal
It is exported using the video separated screen of bluetooth headset side.
Step 760, when multimedia file has audio output demand, a voice-grade channel is selected for multimedia file,
It is that multimedia file plays audio by selected audio channel.
Step 770, incidence relation, video channel are established for the corresponding video channel of same multimedia file and voice-grade channel
Selecting module and voice-grade channel selecting module are according to the corresponding video channel of the same multimedia file of incidence relation control and audio
Channel is exported, so that the video of the same multimedia file of output and audio are mutually matched.For example, multimedia file X1 has
There are the audio, video data of voice-grade channel A1, video channel B1 to play demand, the multimedia file Y2 then accessed only has audio
The audio data of channel A2 plays demand, therefore carries out logic association voice-grade channel A1, video channel B1, this is because same more
The video and audio of media file need to match when playing, it is therefore desirable to close corresponding video channel and voice-grade channel
Connection.
Step 780, established association between the corresponding video channel of different multimedia file and voice-grade channel is released to close
System.For example, being played for the audio data of above-mentioned voice-grade channel A1 and voice-grade channel A2, then needs to disconnect association therein and close
System, because not needing to match between the audio of different multimedia, video.
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 alternative embodiments of the invention, are 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 device for playing multimedia file characterized by comprising
For playing the video module of video；
For playing the audio-frequency module of audio；
Video/audio channel division module, for the video module to be divided into multiple video channels, each video channel is used
In playing video on preset different split screen on the screen of the mobile terminal；And it is multiple for the audio-frequency module to be divided into
Voice-grade channel, each voice-grade channel are used to play audio by the different audio output interfaces of the mobile terminal；
Requirement analysis module, for analyzing whether multimedia file has audio output demand and/or video output demand；
Video channel selecting module, for being the multimedia file when the multimedia file has video output demand
A video channel is selected, is that the multimedia file plays video by selected video channel；It is also used to detect user or user
The relative position of the external equipment and the mobile terminal that use selects a video channel to make selected corresponding point of video channel
The position of screen on the screen is corresponded to each other with the relative position；
Voice-grade channel selecting module, for being the multimedia file when the multimedia file has audio output demand
A voice-grade channel is selected, is that the multimedia file plays audio by selected audio channel.
2. the apparatus according to claim 1, which is characterized in that
Video/audio channel division module is consumed according to preset maximum split screen quantity or preset each video channel
The resource upper limit determines the quantity of the multiple video channel to be divided；And the number according to the different audio output interfaces
Amount or the resource upper limit of preset each voice-grade channel consumption, determine the quantity of the multiple voice-grade channel to be divided.
3. the apparatus according to claim 1, which is characterized in that
The video channel selecting module obtains multimedia parameter and screen parameter from the multimedia file, and is sent to institute
Selected video channel is stated so that corresponding split screen is arranged by the screen parameter and plays video by the multimedia parameter；
The voice-grade channel selecting module obtains multimedia parameter from the multimedia file, and is sent to the selected audio
Channel is to play audio by the multimedia parameter.
4. the apparatus according to claim 1, which is characterized in that
The video module is that each video channel carries out video playing by time-sharing format；
The audio-frequency module is that each voice-grade channel carries out audio broadcasting by time-sharing format.
5. the apparatus according to claim 1, which is characterized in that further include:
Split screen position determination module, the posture of the screen for detecting the mobile terminal, according to the posture of the screen
Determine the position of the different split screens divided on the screen.
6. the apparatus according to claim 1, which is characterized in that further include:
Incidence relation management module, for being associated with for the corresponding video channel of same multimedia file with voice-grade channel foundation
System, and exported according to the corresponding video channel of the incidence relation control same multimedia file and voice-grade channel,
So that the video and audio of the same multimedia file of output are mutually matched.
7. device according to claim 6, which is characterized in that
The incidence relation management module releases to be had been established between the corresponding video channel of different multimedia file and voice-grade channel
Incidence relation.
8. a kind of method for playing multimedia file characterized by comprising
The video module for being used to play video is divided into multiple video channels, each video channel is used for the screen in mobile terminal
Video is played on preset difference split screen on curtain；
The audio-frequency module for being used to play audio is divided into multiple voice-grade channels, each voice-grade channel is used for by described mobile whole
The different audio output interfaces at end play audio；
Whether analysis multimedia file has audio output demand and/or video output demand；
When the multimedia file has video output demand, a video channel is selected for the multimedia file, by institute
Selecting video channel is that the multimedia file plays video；
The relative position of external equipment and the mobile terminal that detection user or user use, selects a video channel to make institute
The position of the corresponding split screen of video channel on the screen is selected to correspond to each other with the relative position；
When the multimedia file has audio output demand, a voice-grade channel is selected for the multimedia file, by institute
Selecting voice-grade channel is that the multimedia file plays audio.
9. according to the method described in claim 8, it is characterized in that, multiple the video module for being used to play video to be divided into
Before video channel, further includes:
According to preset maximum split screen quantity or the resource upper limit of preset each video channel consumption, determine to be divided described
The quantity of multiple video channels；
Before the audio-frequency module for being used to play audio is divided into multiple voice-grade channels, further includes:
According to the quantity of the different audio output interfaces or the resource upper limit of preset each voice-grade channel consumption, determine wait draw
The quantity of the multiple voice-grade channel divided.
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| KR102533872B1 (en) * | 2016-09-28 | 2023-05-18 | 엘지전자 주식회사 | mobile terminal |
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| CN103886729A (en) * | 2014-03-03 | 2014-06-25 | 深圳市敢为软件技术有限公司 | Method and system for displaying alarm video |
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| CN103905886A (en) * | 2014-03-28 | 2014-07-02 | 广州华多网络科技有限公司 | Method and device for video coding |
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