CN105245938A - Device and method for playing multimedia files - Google Patents
Device and method for playing multimedia files Download PDFInfo
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- CN105245938A CN105245938A CN201510641856.1A CN201510641856A CN105245938A CN 105245938 A CN105245938 A CN 105245938A CN 201510641856 A CN201510641856 A CN 201510641856A CN 105245938 A CN105245938 A CN 105245938A
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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
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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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
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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
- H04N21/4302—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
Abstract
The invention discloses a device and a method for playing multimedia files. The device comprises a video module, an audio module, a video/audio channel division module, a demand analysis module, a video channel selection module and an audio channel selection module. The video module is used for playing video; the audio module is used for playing audio; the video/audio channel division module is used for dividing the video module into a plurality of video channels, and dividing the audio module into a plurality of audio channels; the demand analysis module is used for analyzing whether audio output demand and/or video output demand of a multimedia file exists; the video channel selection module is used for selecting one video channel for the multimedia file when the video output demand of the multimedia file exists, and the video channel plays video for the multimedia file; and the audio channel selection module is used for selecting one audio channel for the multimedia file when the audio output demand of the multimedia file exists, and the audio channel plays audio for the multimedia file. By the technical scheme of the invention, different multimedia files can be played on the same mobile terminal.
Description
Technical field
The present invention relates to electronic information technical field, particularly relate to a kind of apparatus and method of play multimedia file.
Background technology
Along with the renewal iteration of intelligent mobile phone terminal, user has had certain demand for multi-user's experience of the multimedia application of mobile intelligent terminal.
In current technology, due to user use the multimedia application of equipment video/audio interface export on have single restriction, multi-user is made to have following shortcoming when experiencing: single terminal can only meet user and watches in same terminal and listen to same multimedia file, and cannot accomplish in same terminal, carry out multiple multimedia experience, such as, when multiple user is by same terminal viewing film, jointly can only watch a film, and not allow multiple user to watch different films.
Summary of the invention
Main purpose of the present invention is the apparatus and method proposing a kind of play multimedia file, and being intended to by same mobile terminal is that different user plays different multimedia files.
For achieving the above object, the device of a kind of play multimedia file provided by the invention, comprising: for the video module of displaying video; For the audio-frequency module of audio plays; Video/audio passage divides module, for described video module is divided into multiple video channel, and each video channel displaying video on the different split screens preset on the screen of the mobile terminal; And for described audio-frequency module is divided into multiple voice-grade channel, each voice-grade channel is used for the different audio output interface audio plays by described mobile terminal; Whether requirement analysis module, have audio frequency output demand and/or video frequency output demand for analyzing multimedia file; Video channel selects module, for when described multimedia file has video frequency output demand, for described multimedia file selects a video channel, is described multimedia file displaying video by selected video channel; Voice-grade channel selects module, during for having audio frequency output demand at described multimedia file, for described multimedia file selects a voice-grade channel, is described multimedia file audio plays by selected audio passage.
Alternatively, the device of aforesaid play multimedia file, described video/audio passage divides the resource upper limit that module consumes according to the maximum split screen quantity preset or default each video channel, determines the quantity of described multiple video channel to be divided; And according to the resource upper limit that quantity or default each voice-grade channel of described different audio output interface consume, determine the quantity of described multiple voice-grade channel to be divided.
Alternatively, the device of aforesaid play multimedia file, described video channel selects module to obtain multimedia parameter and screen parameter from described multimedia file, and is sent to described selected video channel to arrange corresponding split screen by described screen parameter and by described multimedia parameter displaying video; Described voice-grade channel selects module to obtain multimedia parameter from described multimedia file, and is sent to described selected audio passage with by described multimedia parameter audio plays.
Alternatively, the device of aforesaid play multimedia file, described video module is that each video channel described carries out video playback by time-sharing format; Described audio-frequency module is that each voice-grade channel described carries out audio frequency broadcasting by time-sharing format.
Alternatively, the device of aforesaid play multimedia file, also comprises: split screen position determination module, for detecting the attitude of the described screen of described mobile terminal, determines the position of the described different split screen divided on the screen according to the attitude of described screen.
Alternatively, the device of aforesaid play multimedia file, described video channel selects module to detect the external equipment of described user or described user use and the relative position of described mobile terminal, and the split screen position on the screen selecting a video channel to make selected video channel corresponding is mutually corresponding with described relative position.
Alternatively, the device of aforesaid play multimedia file, also comprise: incidence relation administration module, for the relation that is associated for video channel corresponding to same multimedia file and voice-grade channel, and control video channel corresponding to described same multimedia file according to described incidence relation and voice-grade channel exports, mutually mate with the Audio and Video of the described same multimedia file making output.
Alternatively, the device of aforesaid play multimedia file, described incidence relation administration module removes the incidence relation set up between video channel corresponding to different multimedia file and voice-grade channel.
For achieving the above object, present invention also offers a kind of method of play multimedia file, comprise: the video module being used for displaying video is divided into multiple video channel, each video channel displaying video on the different split screens preset on the screen of the mobile terminal; The audio-frequency module being used for audio plays is divided into multiple voice-grade channel, and each voice-grade channel is used for the different audio output interface audio plays by described mobile terminal; Analyze multimedia file and whether there is audio frequency output demand and/or video frequency output demand; When described multimedia file has video frequency output demand, for described multimedia file selects a video channel, be described multimedia file displaying video by selected video channel; When described multimedia file has audio frequency output demand, for described multimedia file selects a voice-grade channel, be described multimedia file audio plays by selected audio passage.
Alternatively, the method of aforesaid play multimedia file, before the video module being used for displaying video is divided into multiple video channel, also comprise: the resource upper limit consumed according to the maximum split screen quantity preset or default each video channel, determine the quantity of described multiple video channel to be divided; Before the audio-frequency module being used for audio plays is divided into multiple voice-grade channel, also comprise: the resource upper limit consumed according to quantity or default each voice-grade channel of described different audio output interface, determine the quantity of described multiple voice-grade channel to be divided.
Alternatively, the method of aforesaid play multimedia file, be described multimedia file displaying video by selected video channel, specifically comprise: from described multimedia file, obtain multimedia parameter and screen parameter, and be sent to described selected video channel to arrange corresponding split screen by described screen parameter and by described multimedia parameter displaying video; Be described multimedia file audio plays by selected audio passage, specifically comprise: from described multimedia file, obtain multimedia parameter, and be sent to described selected audio passage with by described multimedia parameter audio plays.
Alternatively, the method for aforesaid play multimedia file, described video module is that each video channel described carries out video playback by time-sharing format; Described audio-frequency module is that each voice-grade channel described carries out audio frequency broadcasting by time-sharing format.
Alternatively, the method of aforesaid play multimedia file, a video channel is being selected for described multimedia file, before being described multimedia file displaying video by selected video channel, also comprise: the attitude detecting the described screen of described mobile terminal, determine the position of the described different split screen divided on the screen according to the attitude of described screen.
Alternatively, the method of aforesaid play multimedia file, for described multimedia file selects a video channel, specifically comprise: detect the external equipment of described user or described user use and the relative position of described mobile terminal, the split screen position on the screen selecting a video channel to make selected video channel corresponding is mutually corresponding with described relative position.
Alternatively, the method of aforesaid play multimedia file, also comprise: the video channel corresponding for same multimedia file and voice-grade channel are associated relation, and control video channel corresponding to described same multimedia file according to described incidence relation and voice-grade channel exports, mutually mate with the Audio and Video of the described same multimedia file making output.
Alternatively, the method for aforesaid play multimedia file, also comprises: remove the incidence relation set up between video channel corresponding to different multimedia file and voice-grade channel.
The apparatus and method of the play multimedia file that the present invention proposes, at least have the following advantages:
In the inventive solutions, virtual grate is carried out according to audio-frequency module, video module, thus obtain multiple video channel and multiple voice-grade channel, then utilize multiple video channel and multiple voice-grade channel can process different audio or videos, this just makes can process different multimedia files in same terminal, audio frequency, the video of multiple different multimedia are processed intrusively by different video channels, different voice-grade channel complementation, and finally export in different split screens, different audio output interfaces; Visible by technical scheme of the present invention, can realize playing different multimedia files on same mobile terminal.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of 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 of the device of play multimedia file according to an embodiment of the invention;
Fig. 4 is the schematic diagram of the device of play multimedia file according to an embodiment of the invention;
Fig. 4 A is the operating diagram of the device of play multimedia file according to an embodiment of the invention;
Fig. 4 B is the operating diagram of the device of play multimedia file according to an embodiment of the invention;
Fig. 5 is the block diagram of the device of play multimedia file according to an embodiment of the invention;
Fig. 6 is the flow chart of the device of play multimedia file according to an embodiment of the invention;
Fig. 7 is the flow chart of the device of play multimedia file according to an embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration signal of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows the radio communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), forward link media (MediaFLO
) the digit broadcasting system receiving digital broadcast of Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc.Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in memory 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.
Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth
tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee
tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (global positioning system).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating location and temporal information uses three satellites and by the error of the position that uses an other satellite correction calculation to go out and temporal information.In addition, GPS module 115 can carry out computational speed information by Continuous plus current location information in real time.
A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121 and microphone 1220, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of audio signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.
Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input unit and output device.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display units (or other display unit), such as, mobile terminal can comprise 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 and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loud speaker, buzzer etc.
Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via display unit 151 or dio Output Modules 152.
Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.
Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (SRAM), read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.
Describe wherein according to the communication system that mobile terminal of the present invention can operate referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, the air interface used by communication system comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and universal mobile telecommunications system (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc.As non-limiting example, description below relates to cdma communication system, but such instruction is equally applicable to the system of other type.
With reference to figure 2, cdma wireless communication system can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 280.MSC280 is constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC280 is also constructed to form interface with the BSC275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that system as shown in Figure 2 can comprise multiple BSC2750.
Each BS270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS270.Or each subregion can by two or more antenna covers for diversity reception.Each BS270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS270 also can be called as base station transceiver subsystem (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC275 and at least one BS270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.
As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 at operate within systems by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT295.In fig. 2, several global positioning system (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.
In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.
As a typical operation of wireless communication system, BS270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S270.The data obtained are forwarded to relevant BSC275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS270.The data received also are routed to MSC280 by BSC275, and it is provided for the extra route service forming interface with PSTN290.Similarly, PSTN290 and MSC280 forms interface, and MSC and BSC275 forms interface, and BSC275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of the inventive method is proposed.
As shown in Figure 3, a kind of device of play multimedia file is provided in the first embodiment of the present invention, comprises:
For the video module 310 of displaying video.In the present embodiment, video module comprises the software and hardware based on video decoding chip.
For the audio-frequency module 320 of audio plays.In the present embodiment, audio-frequency module comprises the software and hardware based on audio decoder chip.
Video/audio passage divides module 330, for video module is divided into multiple video channel, and each video channel displaying video on the different split screens preset on the screen of the mobile terminal.In the present embodiment, each split screen occupies the part or all of region on screen, and size, the position of split screen are not limit, and simultaneous split screen quantity different time, its size also changes, and each split screen size depends on split screen quantity in work and screen area.
Video/audio passage divides module 330 also for audio-frequency module is divided into multiple voice-grade channel, and each voice-grade channel is used for the different audio output interface audio plays by mobile terminal.In the present embodiment, different audio interface independence output sound, such as, can export respectively by the different output device such as earphone, loud speaker.In the technical scheme of the present embodiment, video/audio passage divides module 330 and has divided many groups video channel and voice-grade channel, be understandable that, this many groups video channel and voice-grade channel are by carrying out in esse video module 310, audio-frequency module 320 the virtual treatment channel unit that logical partitioning obtains.
Whether requirement analysis module 340, have audio frequency output demand and/or video frequency output demand for analyzing multimedia file.In the present embodiment, multimedia file can be video file, audio file or the two mixing file.
Video channel selects module 350, during for having video frequency output demand at multimedia file, for multimedia file selects a video channel, is multimedia file displaying video by selected video channel.Particularly, video channel selects module 350 from multimedia file, obtain multimedia parameter and screen parameter, and is sent to selected video channel to arrange corresponding split screen by screen parameter and by multimedia parameter displaying video.In the present embodiment, except will obtaining the content of broadcasting, also determine that when displaying video the screen needed for displaying video content is arranged, therefore need to extract these two groups of parameters and set up signal chains sending and receiving to deliver to corresponding video passage.
Voice-grade channel selects module 360, during for having audio frequency output demand at multimedia file, for multimedia file selects a voice-grade channel, is multimedia file audio plays by selected audio passage.Particularly, voice-grade channel selects module 360 to obtain multimedia parameter from multimedia file, and is sent to selected audio passage with by multimedia parameter audio plays.In the present embodiment, after extracting multimedia detail parameters corresponding to audio frequency, set up signal link, by signal link, multimedia detail parameters is sent to respective audio passage.
Further, video module 310 by time-sharing format for each video channel carries out video playback; Audio-frequency module 320 by time-sharing format for each voice-grade channel carries out audio frequency broadcasting.In the technical scheme of the present embodiment, because different multimedia files is play by video module 310, audio-frequency module 320, so need based on time-sharing format, namely video module 310, audio-frequency module 320 are at the different multimedia file of different time chip processings, and circulation is carried out processing, and achieves the broadcasting to different multimedia file.And due to different sounds, Video processing, output demand be not generally synchronous generation, based on the scheme of time-division processing, sound, Video processing, the output demand of timesharing, asynchronous process user access can be realized.The operation principle of the device of the play multimedia file of the present embodiment is final as shown in Figure 4.The embody rule of the present embodiment is below described:
1) such as, at time T1, multimedia file X1 has the processing demands of voice-grade channel A1, video channel B1, then time T2, and the multimedia file Y2 of access has the processing demands of voice-grade channel A2.The voice data of above-mentioned video X1, audio frequency Y2 then can be processed respectively by different voice-grade channels, and voice-grade channel A1 and voice-grade channel A2 can not disturb mutually, the voice-grade channel A2 of rear access can not affect the voice data broadcasting of the voice-grade channel A1 of previously access.An embody rule scene is: user A listens song (Y2) with earphone (A2), do not need to see screen, user B full screen (B1) is also opened loud speaker (A1) and is seen a film (X1), and the schematic diagram carrying out exporting is Fig. 4 A.
2) such as, at time T1, multimedia file X1 has the processing demands of voice-grade channel A1, video channel B1, then time T2, and the multimedia file Y2 of access has the processing demands of voice-grade channel A2, video channel B2.Therefore, process the voice data of above-mentioned multimedia file X1, multimedia file Y2 respectively respectively by different voice-grade channels, process the video data of above-mentioned multimedia file X1, multimedia file Y2 respectively by different video channels respectively.An embody rule scene is: user A takes a fancy to the film of screen (B1) with earphone (A1), and user B uses loud speaker (A2) to see the film of lower screen (B2), and the schematic diagram carrying out exporting is Fig. 4 B; The Baffle Box of Bluetooth (A1) that user A outputs to room M by bluetooth is play, user B listens the song of broadcasting at room N by loud speaker (A2), user B can also continue any operation relating to audio frequency process, such as, wear earphone listen song (earphone), answer call (loud speaker), etc.
As shown in Figure 5, a kind of device of play multimedia file is provided in the second embodiment of the present invention, comprises:
For the video module 510 of displaying video.
For the audio-frequency module 520 of audio plays.
Video/audio passage divides module 530, for video module is divided into multiple video channel, and each video channel displaying video on the different split screens preset on the screen of the mobile terminal.Particularly, video channel divides the resource upper limit that module 530 consumes according to the maximum split screen quantity preset or default each video channel, determines the quantity of multiple video channels to be divided.In the present embodiment, video channel can be arranged by the maximum processing demands of split screen to divide, such as, when the maximum split screen number that terminal can be arranged is 4, correspondingly divide 4 video channels, also logical partitioning can be carried out by the video channel resource consumption upper limit, to avoid the situation occurring that video module 510 load is excessive.
Video/audio passage divides module 530 also for audio-frequency module is divided into multiple voice-grade channel, and each voice-grade channel is used for the different audio output interface audio plays by mobile terminal.In the present embodiment, video channel can be set by the maximum access processing demands of audio frequency and divide, also can carry out logical partitioning by the voice-grade channel resource consumption upper limit, to avoid the situation occurring that audio-frequency module 520 load is excessive.
Whether requirement analysis module 540, have audio frequency output demand and/or video frequency output demand for analyzing multimedia file.
Split screen position determination module 550, for detecting the attitude of the screen of mobile terminal, and the video frequency output quantity required of current all multimedia files, determine the position of the different split screens divided on screen.In the present embodiment, number of videos quantity required is corresponding with split screen quantity.Such as, when terminal is horizontal, carry out left and right split screen, then user A, user B are respectively by left and right split screen viewing multimedia file X1 and multimedia file Y2, as seen according to the technical scheme of the present embodiment, split screen can be made to be more suitable for representing on screen.
Video channel selects module 560, during for having video frequency output demand at multimedia file, for multimedia file selects a video channel, is multimedia file displaying video by selected video channel.Further, video channel selects module 560 also to detect the external equipment of user or user's use and the relative position of mobile terminal, and the position of split screen on screen selecting a video channel to make selected video channel corresponding is mutually corresponding with relative position.Such as, user A in the left side of terminal, user B on the right side of terminal, then parting screen play multimedia file X1 on the left side, parting screen play multimedia file Y2 on the right side; Again such as, if user A is exported by wired earphone, user B is exported by bluetooth earphone (external equipment), then preferentially can determine that the video separated screen using bluetooth earphone side exports according to the relative bearing of bluetooth earphone and terminal.
Voice-grade channel selects module 570, during for having audio frequency output demand at multimedia file, for multimedia file selects a voice-grade channel, is multimedia file audio plays by selected audio passage.
Incidence relation administration module 580, for the relation that is associated for video channel corresponding to same multimedia file and voice-grade channel, video channel selects module and voice-grade channel to select module to control video channel corresponding to same multimedia file according to incidence relation and voice-grade channel exports, and mutually mates with the Audio and Video of the same multimedia file making output.Such as, multimedia file X1 has voice-grade channel A1, the audio, video data of video channel B1 plays demand, the voice data that the multimedia file Y2 then accessed only has voice-grade channel A2 plays demand, therefore logic association voice-grade channel A1, video channel B1 is carried out, this is because the Audio and Video of same multimedia file needs coupling when playing, therefore need the video channel of correspondence to associate with voice-grade channel.
Incidence relation administration module 570 also removes the incidence relation set up between video channel corresponding to different multimedia file and voice-grade channel.Such as, the voice data for above-mentioned voice-grade channel A1 and voice-grade channel A2 is play, then need the incidence relation disconnected wherein, because do not need coupling between the audio frequency of different multimedia, video.
As shown in Figure 6, a kind of method of play multimedia file is provided in the third embodiment of the present invention, comprises:
Step 610, is divided into multiple video channel by the video module being used for displaying video, each video channel displaying video on the different split screens preset on the screen of the mobile terminal.In the present embodiment, video module comprises the software and hardware based on video decoding chip.In the present embodiment, each split screen occupies the part or all of region on screen, and size, the position of split screen are not limit, and simultaneous split screen quantity different time, its size also changes, and each split screen size depends on split screen quantity in work and screen area.
Step 620, is divided into multiple voice-grade channel by the audio-frequency module being used for audio plays, and each voice-grade channel is used for the different audio output interface audio plays by mobile terminal.In the present embodiment, audio-frequency module comprises the software and hardware based on audio decoder chip.In the present embodiment, different audio interface independence output sound, such as, can export respectively by the different output device such as earphone, loud speaker.In the technical scheme of the present embodiment, video/audio passage divides Module Division many groups video channel and voice-grade channel, be understandable that, this many groups video channel and voice-grade channel are by carrying out in esse video module, audio-frequency module the virtual treatment channel unit that logical partitioning obtains.
Step 630, analyzes multimedia file and whether has audio frequency output demand and/or video frequency output demand.In the present embodiment, multimedia file can be video file, audio file or the two mixing file.
Step 640, when multimedia file has video frequency output demand, for multimedia file selects a video channel, is multimedia file displaying video by selected video channel.Particularly, video channel selects module from multimedia file, obtain multimedia parameter and screen parameter, and is sent to selected video channel to arrange corresponding split screen by screen parameter and by multimedia parameter displaying video.In the present embodiment, except will obtaining the content of broadcasting, also determine that when displaying video the screen needed for displaying video content is arranged, therefore need to extract these two groups of parameters and set up signal chains sending and receiving to deliver to corresponding video passage.
Step 650, when multimedia file has audio frequency output demand, for multimedia file selects a voice-grade channel, is multimedia file audio plays by selected audio passage.Particularly, voice-grade channel selects module to obtain multimedia parameter from multimedia file, and is sent to selected audio passage with by multimedia parameter audio plays.In the present embodiment, after extracting multimedia detail parameters corresponding to audio frequency, set up signal link, by signal link, multimedia detail parameters is sent to respective audio passage.
Further, video module by time-sharing format for each video channel carries out video playback; Audio-frequency module by time-sharing format for each voice-grade channel carries out audio frequency broadcasting.In the technical scheme of the present embodiment, because different multimedia files is play by video module, audio-frequency module, so need based on time-sharing format, namely video module, audio-frequency module are at the different multimedia file of different time chip processings, and circulation is carried out processing, and achieves the broadcasting to different multimedia file.And due to different sounds, Video processing, output demand be not generally synchronous generation, based on the scheme of time-division processing, sound, Video processing, the output demand of timesharing, asynchronous process user access can be realized.The operation principle of the device of the play multimedia file of the present embodiment is final as shown in Figure 4.The embody rule of the present embodiment is below described:
1) such as, at time T1, multimedia file X1 has the processing demands of voice-grade channel A1, video channel B1, then time T2, and the multimedia file Y2 of access has the processing demands of voice-grade channel A2.The voice data of above-mentioned video X1, audio frequency Y2 then can be processed respectively by different voice-grade channels, and voice-grade channel A1 and voice-grade channel A2 can not disturb mutually, the voice-grade channel A2 of rear access can not affect the voice data broadcasting of the voice-grade channel A1 of previously access.An embody rule scene is: user A listens song (Y2) with earphone (A2), do not need to see screen, user B full screen (B1) is also opened loud speaker (A1) and is seen a film (X1), and the schematic diagram carrying out exporting is Fig. 4 A.
2) such as, at time T1, multimedia file X1 has the processing demands of voice-grade channel A1, video channel B1, then time T2, and the multimedia file Y2 of access has the processing demands of voice-grade channel A2, video channel B2.Therefore, process the voice data of above-mentioned multimedia file X1, multimedia file Y2 respectively respectively by different voice-grade channels, process the video data of above-mentioned multimedia file X1, multimedia file Y2 respectively by different video channels respectively.An embody rule scene is: user A takes a fancy to the film of screen (B1) with earphone (A1), and user B uses loud speaker (A2) to see the film of lower screen (B2), and the schematic diagram carrying out exporting is Fig. 4 B; The Baffle Box of Bluetooth (A1) that user A outputs to room M by bluetooth is play, user B listens the song of broadcasting at room N by loud speaker (A2), user B can also continue any operation relating to audio frequency process, such as, wear earphone listen song (earphone), answer call (loud speaker), etc.
As shown in Figure 7, a kind of method of play multimedia file is provided in the fourth embodiment of the present invention, comprises:
Step 710, is divided into multiple video channel by video module, each video channel displaying video on the different split screens preset on the screen of the mobile terminal.Particularly, video channel divides the resource upper limit that module 530 consumes according to the maximum split screen quantity preset or default each video channel, determines the quantity of multiple video channels to be divided.In the present embodiment, video channel can be arranged by the maximum processing demands of split screen to divide, such as, when the maximum split screen number that terminal can be arranged is 4, correspondingly divide 4 video channels, also logical partitioning can be carried out by the video channel resource consumption upper limit, to avoid the situation occurring that video module load is excessive.
Step 720, is divided into multiple voice-grade channel by audio-frequency module, and each voice-grade channel is used for the different audio output interface audio plays by mobile terminal.In the present embodiment, video channel can be set by the maximum access processing demands of audio frequency and divide, also can carry out logical partitioning by the voice-grade channel resource consumption upper limit, to avoid the situation occurring that audio-frequency module load is excessive.
Step 730, analyzes multimedia file and whether has audio frequency output demand and/or video frequency output demand.
Step 740, detects the attitude of the screen of mobile terminal, and the video frequency output quantity required of current all multimedia files, determines the position of the different split screens divided on screen.In the present embodiment, number of videos quantity required is corresponding with split screen quantity.Such as, when terminal is horizontal, carry out left and right split screen, then user A, user B are respectively by left and right split screen viewing multimedia file X1 and multimedia file Y2, as seen according to the technical scheme of the present embodiment, split screen can be made to be more suitable for representing on screen.
Step 750, when multimedia file has video frequency output demand, for multimedia file selects a video channel, is multimedia file displaying video by selected video channel.Further, video channel selects module also to detect the external equipment of user or user's use and the relative position of mobile terminal, and the position of split screen on screen selecting a video channel to make selected video channel corresponding is mutually corresponding with relative position.Such as, user A in the left side of terminal, user B on the right side of terminal, then parting screen play multimedia file X1 on the left side, parting screen play multimedia file Y2 on the right side; Again such as, if user A is exported by wired earphone, user B is exported by bluetooth earphone (external equipment), then preferentially can determine that the video separated screen using bluetooth earphone side exports according to the relative bearing of bluetooth earphone and terminal.
Step 760, when multimedia file has audio frequency output demand, for multimedia file selects a voice-grade channel, is multimedia file audio plays by selected audio passage.
Step 770, the video channel corresponding for same multimedia file and voice-grade channel are associated relation, video channel selects module and voice-grade channel to select module to control video channel corresponding to same multimedia file according to incidence relation and voice-grade channel exports, and mutually mates with the Audio and Video of the same multimedia file making output.Such as, multimedia file X1 has voice-grade channel A1, the audio, video data of video channel B1 plays demand, the voice data that the multimedia file Y2 then accessed only has voice-grade channel A2 plays demand, therefore logic association voice-grade channel A1, video channel B1 is carried out, this is because the Audio and Video of same multimedia file needs coupling when playing, therefore need the video channel of correspondence to associate with voice-grade channel.
Step 780, removes the incidence relation set up between video channel corresponding to different multimedia file and voice-grade channel.Such as, the voice data for above-mentioned voice-grade channel A1 and voice-grade channel A2 is play, then need the incidence relation disconnected wherein, because do not need coupling between the audio frequency of different multimedia, video.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only optional embodiment of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a device for play multimedia file, is characterized in that, comprising:
For the video module of displaying video;
For the audio-frequency module of audio plays;
Video/audio passage divides module, for described video module is divided into multiple video channel, and each video channel displaying video on the different split screens preset on the screen of the mobile terminal; And for described audio-frequency module is divided into multiple voice-grade channel, each voice-grade channel is used for the different audio output interface audio plays by described mobile terminal;
Whether requirement analysis module, have audio frequency output demand and/or video frequency output demand for analyzing multimedia file;
Video channel selects module, for when described multimedia file has video frequency output demand, for described multimedia file selects a video channel, is described multimedia file displaying video by selected video channel;
Voice-grade channel selects module, during for having audio frequency output demand at described multimedia file, for described multimedia file selects a voice-grade channel, is described multimedia file audio plays by selected audio passage.
2. device according to claim 1, is characterized in that,
Described video/audio passage divides the resource upper limit that module consumes according to the maximum split screen quantity preset or default each video channel, determines the quantity of described multiple video channel to be divided; And according to the resource upper limit that quantity or default each voice-grade channel of described different audio output interface consume, determine the quantity of described multiple voice-grade channel to be divided.
3. device according to claim 1, is characterized in that,
Described video channel selects module to obtain multimedia parameter and screen parameter from described multimedia file, and is sent to described selected video channel to arrange corresponding split screen by described screen parameter and by described multimedia parameter displaying video;
Described voice-grade channel selects module to obtain multimedia parameter from described multimedia file, and is sent to described selected audio passage with by described multimedia parameter audio plays.
4. device according to claim 1, is characterized in that,
Described video module is that each video channel described carries out video playback by time-sharing format;
Described audio-frequency module is that each voice-grade channel described carries out audio frequency broadcasting by time-sharing format.
5. device according to claim 1, is characterized in that, also comprises:
Split screen position determination module, for detecting the attitude of the described screen of described mobile terminal, determines the position of the described different split screen divided on the screen according to the attitude of described screen.
6. device according to claim 1, is characterized in that,
Described video channel selects module to detect the external equipment of described user or described user use and the relative position of described mobile terminal, and the split screen position on the screen selecting a video channel to make selected video channel corresponding is mutually corresponding with described relative position.
7. device according to claim 1, is characterized in that, also comprises:
Incidence relation administration module, for the relation that is associated for video channel corresponding to same multimedia file and voice-grade channel, and control video channel corresponding to described same multimedia file according to described incidence relation and voice-grade channel exports, mutually mate with the Audio and Video of the described same multimedia file making output.
8. method according to claim 6, is characterized in that,
Described incidence relation administration module removes the incidence relation set up between video channel corresponding to different multimedia file and voice-grade channel.
9. a method for play multimedia file, is characterized in that, comprising:
The video module being used for displaying video is divided into multiple video channel, each video channel displaying video on the different split screens preset on the screen of the mobile terminal;
The audio-frequency module being used for audio plays is divided into multiple voice-grade channel, and each voice-grade channel is used for the different audio output interface audio plays by described mobile terminal;
Analyze multimedia file and whether there is audio frequency output demand and/or video frequency output demand;
When described multimedia file has video frequency output demand, for described multimedia file selects a video channel, be described multimedia file displaying video by selected video channel;
When described multimedia file has audio frequency output demand, for described multimedia file selects a voice-grade channel, be described multimedia file audio plays by selected audio passage.
10. method according to claim 9, is characterized in that, before the video module being used for displaying video is divided into multiple video channel, also comprises:
According to the resource upper limit that the maximum split screen quantity preset or default each video channel consume, determine the quantity of described multiple video channel to be divided;
Before the audio-frequency module being used for audio plays is divided into multiple voice-grade channel, also comprise:
According to the resource upper limit that quantity or default each voice-grade channel of described different audio output interface consume, determine the quantity of described multiple voice-grade channel to be divided.
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| CN106131322A (en) * | 2016-06-30 | 2016-11-16 | 努比亚技术有限公司 | Dual-screen mobile terminal plays the method and device of sound |
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| CN110139151A (en) * | 2019-05-23 | 2019-08-16 | 青岛海信传媒网络技术有限公司 | The processing method and electronic equipment of audio data |
| WO2020233263A1 (en) * | 2019-05-23 | 2020-11-26 | 青岛海信传媒网络技术有限公司 | Audio processing method and electronic device |
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