CN105812905A - Playing control method and device in audio-video playing system - Google Patents
Playing control method and device in audio-video playing system Download PDFInfo
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- CN105812905A CN105812905A CN201610169857.5A CN201610169857A CN105812905A CN 105812905 A CN105812905 A CN 105812905A CN 201610169857 A CN201610169857 A CN 201610169857A CN 105812905 A CN105812905 A CN 105812905A
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of 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
- H04N21/43—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
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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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
Abstract
The invention discloses a playing control method and a playing control device in an audio-video playing system. The method comprises the steps of determining a first sound source device corresponding to a first audio-video to be played and a first playing device matched and connected with the first sound source device; if determining that a Bluetooth connection between the first playing device and the first sound source device is abnormal, instructing the first playing device to disconnect the Bluetooth connection with the first sound source device; determining a target playing device in normal Bluetooth connection with the first sound source device; and instructing the target playing device to establish the Bluetooth connection with the first sound source device, thus allowing the target playing device to receive and play audio-video data corresponding to the first audio-video to be played sent by the first sound source device after the playing of the current audio-video is over. According to the method and device, the problem that the playing of the audio-video playing system is abnormal is solved, and the playing quality of the audio-video playing system is improved.
Description
Technical field
The present invention relates to audio and video playing technical field, particularly relate to the control method for playing back in a kind of audio-video frequency playing system and device.
Background technology
Along with the development of mobile interchange application, the audio-video frequency playing system being made up of playback equipments such as intelligent network audio amplifier, bluetooth earphones is just more and more universal.These playback equipments are integrated with processor, network interface and bluetooth module, except playing the music on the Internet, audio-video frequency playing system can also play the music being stored in this locality, as being stored in audio-video frequency playing system the internal storage of certain playback equipment, external memory storage (such as USB flash disk), the music file on other addressable audiogenic device such as NAS (NetworkAttachedStorage, network attached storage) in intelligent terminal or LAN.
Multiple audiogenic devices can be different from audio-video frequency playing system respectively playback equipment set up bluetooth connect, the audio, video data in the multiple audiogenic device of this audio-video frequency playing system broadcasting capable of circulation.But; the position of some audiogenic device is it may happen that change; the Bluetooth signal making some playback equipment and diaphone source device is deteriorated or bluetooth disconnecting; may result in the audio-video frequency playing system audio, video data from one audiogenic device of broadcasting; when being switched to the audio, video data playing another audiogenic device; there is exception or audio and video playing Quality Down in broadcasting, and the audio frequency and video as play are interrupted or noise occur.
Summary of the invention
In view of this, the purpose of the present invention is to propose to the control method for playing back in a kind of audio-video frequency playing system and device, to solve the problem that audio-video frequency playing system occurs that broadcasting is abnormal, improve the play quality of audio-video frequency playing system.
For achieving the above object, the present invention adopts the following technical scheme that
On the one hand, embodiments provide the control method for playing back in a kind of audio-video frequency playing system, including:
Determine the first audiogenic device corresponding to the first audio frequency and video to be played and the first playback equipment being connected that matches with described first audiogenic device；
If it is determined that described first playback equipment is connected abnormal with described first audiogenic device bluetooth, it indicates that described first playback equipment disconnects and being connected with the bluetooth of described first audiogenic device；
Determine and be connected normal target playback equipment with described first audiogenic device bluetooth；
Indicate described target playback equipment to set up to be connected with the bluetooth of described first audiogenic device, so that described target playback equipment is after current audio and video playing, receive and play the audio, video data that the first audio frequency and video to be played of described first audiogenic device transmission are corresponding.
On the other hand, embodiments provide the broadcast control device in a kind of audio-video frequency playing system, including:
Module determined by first playback equipment, is used for determining the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected with described first audiogenic device pairing；
Whether bluetooth connection judgment module is abnormal for judging that arbitrary playback equipment is connected with the bluetooth of arbitrary audiogenic device；
Bluetooth connects disconnection module, for if it is determined that described first playback equipment is connected abnormal with described first audiogenic device bluetooth, it indicates that described first playback equipment disconnects and being connected with the bluetooth of described first audiogenic device；
Module determined by target playback equipment, is used for determining and is connected normal target playback equipment with described first audiogenic device bluetooth；
Bluetooth connects indicating module, it is connected with the bluetooth of described first audiogenic device for indicating described target playback equipment to set up, so that described target playback equipment is after current audio and video playing, receive and play the audio, video data that the first audio frequency and video to be played of described first audiogenic device transmission are corresponding.
nullThe invention has the beneficial effects as follows: control method for playing back in audio-video frequency playing system provided by the invention and device，When audio-video frequency playing system plays current audio frequency and video，Inquire about next section of audio frequency and video to be played，I.e. the first audio frequency and video to be played，Determine the first audiogenic device corresponding to these the first audio frequency and video to be played and the first playback equipment being connected that matches with the first audiogenic device，Detect the first playback equipment and the first audiogenic device bluetooth connection，When determining the first playback equipment and the first audiogenic device bluetooth connects abnormal，Disconnect and being connected with the bluetooth of the first audiogenic device，Find in this audio-video frequency playing system and be connected normal target playback equipment with the first audiogenic device bluetooth，Receive and play, by this target playback equipment, audio, video data corresponding to the first audio frequency and video to be played that the first audiogenic device sends，After making current audio and video playing，Audio-video frequency playing system can be switched to the first audio frequency and video normal play to be played immediately，Avoid the audio frequency and video interruption that audio-video frequency playing system is play or the problem generation that the broadcasting exceptions such as noise occur，Improve the play quality of audio-video frequency playing system.
Accompanying drawing explanation
Following by the exemplary embodiment that the present invention is described in detail with reference to the drawings, the person of ordinary skill in the art is more clear that the above-mentioned and other feature and advantage of the present invention, in accompanying drawing:
Fig. 1 a and Fig. 1 b is the structural representation of audio-video frequency playing system in prior art；
Fig. 2 is the structural representation of the audio-video frequency playing system that the embodiment of the present invention one provides；
Fig. 3 is the schematic flow sheet of the control method for playing back in the audio-video frequency playing system that the embodiment of the present invention one provides；
Fig. 4 is the schematic flow sheet of the control method for playing back in the audio-video frequency playing system that the embodiment of the present invention two provides；
Fig. 5 is the structured flowchart of the broadcast control device in the audio-video frequency playing system that the embodiment of the present invention three provides；
Fig. 6 is the structural representation of the playback equipment in the audio-video frequency playing system that the embodiment of the present invention three provides.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.It is understood that specific embodiment described herein is used only for explaining the present invention, but not limitation of the invention.It also should be noted that, for the ease of describing, accompanying drawing illustrate only part related to the present invention but not entire infrastructure.
As illustrated in figs. ia and ib, existing audio-video frequency playing system comprises multiple stage playback equipment, communication is carried out by wireless private networks such as grid (MESH) or point-to-point (Ad-hoc) between playback equipment, wherein a playback equipment in audio-video frequency playing system can set up wired connection (with reference to Fig. 1 a) with router, this playback equipment can also set up wireless connections (with reference to Fig. 1 b) with router, this playback equipment is called main playback equipment, and other playback equipments are from playback equipment.It is mounted with the intelligent terminal (smart mobile phone, panel computer or PC) of specialized application software, after being connected to this wireless router, it is possible to the playback equipment accessing and controlling in audio-video frequency playing system.User selects the song wanting to play intelligent terminal, and intelligent terminal can be sent to main playback equipment the information (network music server left in such as song title, song and URL) that this song is bent；Main playback equipment, according to these song informations, is connected to network music server, downloads the audio, video data of song.Main playback equipment decode above-mentioned download music data, self play outside, also by decoded audio, video data, be sent in private network from playback equipment, make all playback equipments synchronize play same song.
Embodiment one
As shown in Figure 2, audio-video frequency playing system comprises multiple stage playback equipment, carries out communication by wireless private networks such as MESH or Ad-hoc between playback equipment, wherein, multiple stage playback equipment is set up bluetooth and is connected from different audiogenic devices, and a playback equipment being connected to router is main playback equipment.Other in main playback equipment and audio-video frequency playing system exchanges control command and status information from equipment by private network, and main playback equipment passes through these control commands and status information, it is possible to achieve the synchronization of multiple stage playback equipment is play.This audio-video frequency playing system can play the audio frequency and video on different audiogenic device in turn.
Fig. 3 is the schematic flow sheet of the control method for playing back in the audio-video frequency playing system that the embodiment of the present invention one provides.The method is applicable to the situation that audio-video frequency playing system plays the audio frequency and video of at least one audiogenic device automatically, and the method can be performed by the broadcast control device in audio-video frequency playing system.This device can be realized by the mode of software and/or hardware, is configured in the main playback equipment of audio-video frequency playing system.As it is shown on figure 3, the method includes:
Step 101, determine the first audiogenic device corresponding to the first audio frequency and video to be played and the first playback equipment being connected that matches with the first audiogenic device.
Audiogenic device in the present invention is the equipment that can export audio frequency and/or video data.
Wherein, first audio frequency and video to be played are next section of audio frequency and video of the current audio frequency and video play, main playback equipment can monitor the playing progress rate of current audio frequency and video, predetermined time (such as 30 seconds) before current audio and video playing is complete, main playback equipment begins preparing for playing the operation of next section of audio frequency and video.
In the present embodiment, main playback equipment can inquire these first audio frequency and video to be played from the playlist being stored in main playback equipment, it is also possible to by preparing to receive the main playback equipment of playback equipment prior notice of the first audio frequency and video to be played.
Exemplary, it is determined that the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected that matches with the first audiogenic device, it is possible to including:
The playlist that A, basis previously generate, it is determined that next section of audio frequency and video of the audio frequency and video play in playlist are the first audio frequency and video to be played.
Exemplary, playlist can be stored in main playback equipment, previously generates broadcasting group playlist and according to the playlist of each audiogenic device, by the audio frequency and video in each playlist successively interspersed permutation and combination, can generate broadcasting group playlist；Or, according to each playlist, based on the broadcasting priority of each audiogenic device, the audio frequency and video in each playlist are carried out permutation and combination, generate broadcasting group playlist.
The audio frequency and video play arrange one by one from top to bottom in above-mentioned playlist, search current audio frequency and video position in this playlist, and then determine that next section of audio frequency and video of current audio frequency and video are the first audio frequency and video to be played.
B, according to the first audio frequency and video to be played, the first audiogenic device of inquiry storage diaphone video data.
Exemplary, when generating playlist, record has the audiogenic device information belonging to each section of audio frequency and video, after determining the first audio frequency and video to be played, check this audiogenic device information belonging to the first audio frequency and video to be played, and then determine the first audiogenic device of storage the first audio frequency and video diaphone video data to be played.
The Bluetooth pairing information that C, basis are pre-configured with, it is determined that the first playback equipment being connected with the first audiogenic device bluetooth.
Exemplary, the position can being usually placed according to each audiogenic device, each audiogenic device is set and sets up Bluetooth pairing relation with each nearest playback equipment, and record each audiogenic device information and corresponding playback equipment information, generate Bluetooth pairing information configuration in main playback equipment, and this Bluetooth pairing information can be set to the default configuration of audio-video frequency playing system, namely there is arbitrary audiogenic device of this Bluetooth pairing relation when accessing audio-video frequency playing system every time, all automatically can set up bluetooth with corresponding playback equipment and connect.
In the present embodiment, after determining the first audiogenic device, can according to above-mentioned Bluetooth pairing information, it is determined that the first playback equipment being connected with the first audiogenic device bluetooth.
Step 102 is if it is determined that the first playback equipment and the first audiogenic device bluetooth connect abnormal, it indicates that the first playback equipment disconnects and being connected with the bluetooth of the first audiogenic device.
Wherein, bluetooth connection can be that the Bluetooth signal intensity of audiogenic device is less than preset strength threshold value extremely, or, between playback equipment and audiogenic device, the packet loss of bluetooth transmission paths is more than default packet loss threshold value, or, between playback equipment and audiogenic device, the bit error rate of bluetooth transmission paths is more than default bit error rate threshold etc..
Exemplary, before determining that the first playback equipment and the first audiogenic device bluetooth connect extremely, also include: obtain the first Bluetooth signal intensity of the first audiogenic device that the first playback equipment detects.
Concrete, main playback equipment sends Bluetooth signal detection instruction to the first playback equipment, so that the first playback equipment detects instruction according to Bluetooth signal, detects the first Bluetooth signal intensity of the first audiogenic device, wherein, Bluetooth signal detection instruction comprises the Bluetooth identification of the first audiogenic device；Receive the first Bluetooth signal intensity that the first playback equipment returns.
Accordingly, it is determined that the first playback equipment and the first audiogenic device bluetooth connect abnormal, including:
Contrast the first Bluetooth signal intensity and preset strength threshold value；
If the first Bluetooth signal intensity is less than preset strength threshold value, it is determined that the first playback equipment and the first audiogenic device bluetooth connect abnormal.
Step 103, determine and be connected normal target playback equipment with the first audiogenic device bluetooth.
Wherein, target playback equipment is in audio-video frequency playing system, a playback equipment outside above-mentioned first playback equipment.
Based on step 102, before determining and being connected normal target playback equipment with the first audiogenic device bluetooth, also include: also include: obtain the second Bluetooth signal intensity of the first audiogenic device that at least one other playback equipment detects in audio-video frequency playing system.Wherein, other playback equipments are the playback equipments in audio-video frequency playing system except the first playback equipment.
Concrete, obtain the second Bluetooth signal intensity of the first audiogenic device that at least one other playback equipment detects in audio-video frequency playing system, including:
Send Bluetooth signal detection instruction at least one other playback equipment, so that at least one other playback equipment detects instruction according to Bluetooth signal, detect the second Bluetooth signal intensity of the first audiogenic device；Receive the second Bluetooth signal intensity that at least one other playback equipment returns.
Accordingly, it is determined that be connected normal target playback equipment with the first audiogenic device bluetooth, including:
Determine the maximum Bluetooth signal intensity in the second Bluetooth signal intensity；
Contrast maximum Bluetooth signal intensity and preset strength threshold value；
If maximum Bluetooth signal intensity is more than above-mentioned preset strength threshold value, it is determined that playback equipment corresponding to maximum Bluetooth signal intensity is target playback equipment.
Step 104, instruction target playback equipment are set up and are connected with the bluetooth of the first audiogenic device.
In this operation, main playback equipment sends bluetooth link order by private network to target playback equipment, after target playback equipment receives bluetooth link order, disconnect original bluetooth to connect, set up and be connected with the bluetooth of the first audiogenic device, guarantee that target playback equipment is after current audio and video playing, receive and play the audio, video data that the first audio frequency and video to be played of the first audiogenic device transmission are corresponding.
nullControl method for playing back in the audio-video frequency playing system that the embodiment of the present invention one provides，When audio-video frequency playing system plays current audio frequency and video，Inquire about next section of audio frequency and video to be played，I.e. the first audio frequency and video to be played，Determine the first audiogenic device corresponding to these the first audio frequency and video to be played and the first playback equipment being connected that matches with the first audiogenic device，Detect the first playback equipment and the first audiogenic device bluetooth connection，When determining the first playback equipment and the first audiogenic device bluetooth connects abnormal，Disconnect and being connected with the bluetooth of the first audiogenic device，Find in this audio-video frequency playing system and be connected normal target playback equipment with the first audiogenic device bluetooth，Receive and play, by this target playback equipment, audio, video data corresponding to the first audio frequency and video to be played that the first audiogenic device sends，After making current audio and video playing，Audio-video frequency playing system can be switched to the first audio frequency and video normal play to be played immediately，Avoid the audio frequency and video interruption that audio-video frequency playing system is play or the problem generation that the broadcasting exceptions such as noise occur，Improve the play quality of audio-video frequency playing system.
Embodiment two
Fig. 4 is the schematic flow sheet of the control method for playing back in the audio-video frequency playing system that the embodiment of the present invention two provides.The present embodiment is optimized based on embodiment one, when the playback equipment can being connected cannot be found with the first audiogenic device normal Bluetooth, audio frequency and video after sequential search first audio frequency and video to be played, until finding audiogenic device bluetooth that can be corresponding with audio frequency and video afterwards to connect normal playback equipment, after current audio and video playing, jump directly to above-mentioned after audio frequency and video place play out, further ensure that audio-video frequency playing system normal play audio frequency and video.As shown in Figure 4, the method for the present embodiment includes:
Step 201, determine the first audiogenic device corresponding to the first audio frequency and video to be played and the first playback equipment being connected that matches with the first audiogenic device.
Step 202, judge whether the first playback equipment and the first audiogenic device bluetooth connect abnormal.If so, then perform step 203, otherwise perform step 209.
Step 203, indicate first playback equipment disconnect be connected with the bluetooth of the first audiogenic device.
Whether step 204, to judge that the bluetooth of at least one other playback equipment and the first audiogenic device connects abnormal.If so, then perform step 205, otherwise perform step 210.
Step 205, from playlist the second audio frequency and video to be played after sequential search first audio frequency and video to be played.
Step 206, renewal the second audio frequency and video to be played are the first audio frequency and video to be played, return to step 201.
Step 207, record audiogenic device playback equipment bluetooth all with audio-video frequency playing system are connected the number of times of exception.
Exemplary, abnormal number of times can be connected according to the operation note playback equipment bluetooth that updates of step 206, because audio frequency and video to be played often update once, necessarily having the audiogenic device that a certain audio frequency and video to be played are corresponding, playback equipment bluetooths all with audio-video frequency playing system are connected abnormal.Concrete, the preceding paragraph audio frequency and video of the audio frequency and video to be played to update are determined from playlist, and then it is abnormal to determine that audiogenic device playback equipment bluetooths all with audio-video frequency playing system corresponding to these the preceding paragraph audio frequency and video are connected, and thus records once this audiogenic device.
Step 208, when same audiogenic device being detected, playback equipment bluetooths all with audio-video frequency playing system are connected the number of times of exception when reaching preset times, delete same audiogenic device audio frequency and video in the play list.
Wherein, preset times can be 3 times, when bluetooth connection frequency of abnormity reaches 3 times, it is likely to audiogenic device and playback equipment disconnecting, this audiogenic device audio frequency and video in the play list will be unable to play, for alleviating the burden of audio-video frequency playing system, this audiogenic device all audio frequency and video in the play list can be deleted.
Step 209, indicate first audio frequency and video to be played to be played such as the first playback equipment.
Step 210, determine and be connected normal target playback equipment with the first audiogenic device bluetooth.
Step 211, instruction target playback equipment are set up and are connected with the bluetooth of the first audiogenic device.
It addition, in such scheme, when determining at least one other playback equipment, when being connected exception with the first audiogenic device bluetooth, it is possible to the first audio frequency and video to be played to be drained into last hurdle of playlist.
Control method for playing back in the audio-video frequency playing system that the embodiment of the present invention two provides, scheme for embodiment one, when the playback equipment can being connected cannot be found with the first audiogenic device normal Bluetooth, audio frequency and video after main playback equipment sequential search first audio frequency and video to be played, until finding audiogenic device bluetooth that can be corresponding with audio frequency and video afterwards to connect normal playback equipment, after current audio and video playing, jump directly to above-mentioned after audio frequency and video place play out, further ensure that audio-video frequency playing system normal play audio frequency and video.
Embodiment three
Fig. 5 is the structured flowchart of the broadcast control device in the audio-video frequency playing system that the embodiment of the present invention three provides.As it is shown in figure 5, this device includes: the first playback equipment determines that module 10, bluetooth connection judgment module 20, bluetooth connect disconnection module 30, module 40 determined by target playback equipment and bluetooth connects indicating module 50.
Wherein, module 10 determined by the first playback equipment, is used for determining the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected with the first audiogenic device pairing；
Whether bluetooth connection judgment module 20 is abnormal for judging that arbitrary playback equipment is connected with the bluetooth of arbitrary audiogenic device；
Bluetooth connects disconnection module 30, for if it is determined that the first playback equipment and the first audiogenic device bluetooth connect abnormal, it indicates that the first playback equipment disconnects and being connected with the bluetooth of the first audiogenic device；
Module 40 determined by target playback equipment, is used for determining and is connected normal target playback equipment with the first audiogenic device bluetooth；
Bluetooth connects indicating module 50, it is connected with the bluetooth of the first audiogenic device for indicating target playback equipment to set up, so that target playback equipment is after current audio and video playing, receive and play the audio, video data that the first audio frequency and video to be played of the first audiogenic device transmission are corresponding.
Further, above-mentioned first playback equipment determines that module 10 includes:
First audio frequency and video to be played determine unit, for according to the playlist previously generated, it is determined that next section of audio frequency and video of the audio frequency and video play in playlist are the first audio frequency and video to be played；
First audiogenic device query unit, for according to the first audio frequency and video to be played, the first audiogenic device of inquiry storage diaphone video data；
Unit determined by first playback equipment, for according to the Bluetooth pairing information being pre-configured with, it is determined that the first playback equipment being connected with the first audiogenic device bluetooth.
Based on such scheme, the broadcast control device of the present embodiment also includes:
First Bluetooth signal intensity acquisition module, for, before determining that the first playback equipment and the first audiogenic device bluetooth connect extremely, obtaining the first Bluetooth signal intensity of the first audiogenic device that the first playback equipment detects；
Second Bluetooth signal intensity acquisition module, for before determining and being connected normal target playback equipment with the first audiogenic device bluetooth, the second Bluetooth signal intensity of the first audiogenic device that at least one other playback equipment detects in acquisition audio-video frequency playing system；
Wherein, the first Bluetooth signal intensity acquisition module specifically for:
Sending Bluetooth signal detection instruction to the first playback equipment, so that the first playback equipment detects instruction according to Bluetooth signal, detect the first Bluetooth signal intensity of the first audiogenic device, Bluetooth signal detection instruction comprises the Bluetooth identification of described first audiogenic device；
Receive the first Bluetooth signal intensity that the first playback equipment returns；
Accordingly, the second Bluetooth signal intensity acquisition module specifically for:
Send Bluetooth signal detection instruction at least one other playback equipment, so that at least one other playback equipment detects instruction according to Bluetooth signal, detect the second Bluetooth signal intensity of the first audiogenic device；
Receive the second Bluetooth signal intensity that at least one other playback equipment returns.
Further, above-mentioned bluetooth connection judgment module 20 includes:
First Bluetooth signal intensity contrast unit, is used for contrasting the first Bluetooth signal intensity and preset strength threshold value；
First bluetooth connects determines unit extremely, if for the first Bluetooth signal intensity less than preset strength threshold value, it is determined that the first playback equipment and the first audiogenic device bluetooth connect abnormal.
Further, above-mentioned target playback equipment determines that module 40 includes:
Maximum Bluetooth signal strength determining unit, for determining the maximum Bluetooth signal intensity in the second Bluetooth signal intensity；
Maximum Bluetooth signal intensity contrast unit, is used for contrasting maximum Bluetooth signal intensity and preset strength threshold value；
Unit determined by target playback equipment, if for maximum Bluetooth signal intensity more than preset strength threshold value, it is determined that playback equipment corresponding to maximum Bluetooth signal intensity is target playback equipment.
Preferably, based on such scheme, the broadcast control device of the present embodiment also includes:
Second audio frequency and video to be played search module, for when determining at least one other playback equipment, when being connected exception with the first audiogenic device bluetooth, and the second audio frequency and video to be played after sequential search first audio frequency and video to be played from playlist；
Audio frequency and video are new module more, and being used for updating the second audio frequency and video to be played is the first audio frequency and video to be played；
Return and perform module, for returning the operation determining the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected with the first audiogenic device pairing.
Further, also include:
Audio frequency and video order module, for when determining at least one other playback equipment, when being connected exception with the first audiogenic device bluetooth, draining into last hurdle of playlist by the first audio frequency and video to be played.
Preferably, above-mentioned broadcast control device also includes:
Audio frequency and video removing module, for when same audiogenic device being detected, playback equipment bluetooths all with audio-video frequency playing system are connected abnormal number of times when reaching preset times, delete same audiogenic device audio frequency and video in the play list.
The broadcast control device that the embodiment of the present invention three provides may be used for performing the control method for playing back that the embodiment of the present invention provides, and possesses corresponding function and beneficial effect.The not ins and outs of detailed description in the present embodiment, can referring to the inventive method embodiment.
It addition, as shown in Figure 6, in audio-video frequency playing system, every playback equipment specifically includes that processor, bluetooth module, network interface, audio amplification block, speaker and memorizer；
Described processor is the core of playback equipment, is used for performing control program, functional module communication each with periphery, coordinates and control the work of each functional module.
Described bluetooth module is used for realizing Bluetooth communication, makes playback equipment can pass through Bluetooth technology and is connected with equipment (such as the smart mobile phone) foundation being likewise supplied with Bluetooth function, obtains audio, video data or control data.The audio, video data acquired and control data are transferred to processor by bluetooth module, and the audio, video data also transmitted by processor and control data are sent to other bluetooth equipment.
Described network interface can make wired network interface, it is possible to so that meeting the radio network interface of 802.11 specifications, and described processor may be coupled to the Internet by network interface, obtains network flow-medium audio, video data.By the form of network interface, particularly wireless network, multiple stage playback equipment can form a wireless audio and video Play System, it is achieved the synchronization of audio frequency and video is play.Under normal circumstances, each controls terminal is also connect into audio-video frequency playing system by wireless network (such as WIFI), is operated audio-video frequency playing system and intrasystem playback equipment controlling.
Described audio amplification block carries out power amplification for the simulated audio signal sended over by processor, to drive speaker sounding.
Described speaker is sound-reducing parts, and its quantity can be one or more.
Described bin is for storing the program that processor performs, and some configuration datas of audio-video frequency playing system, such as the audio frequency and video list etc. of network connection data, information volume, grouping information and broadcasting.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (16)
1. the control method for playing back in an audio-video frequency playing system, it is characterised in that including:
Determine the first audiogenic device corresponding to the first audio frequency and video to be played and the first playback equipment being connected that matches with described first audiogenic device；
If it is determined that described first playback equipment is connected abnormal with described first audiogenic device bluetooth, it indicates that described first playback equipment disconnects and being connected with the bluetooth of described first audiogenic device；
Determine and be connected normal target playback equipment with described first audiogenic device bluetooth；
Indicate described target playback equipment to set up to be connected with the bluetooth of described first audiogenic device, so that described target playback equipment is after current audio and video playing, receive and play the audio, video data that the first audio frequency and video to be played of described first audiogenic device transmission are corresponding.
2. method according to claim 1, it is characterised in that described determine the first audiogenic device corresponding to the first audio frequency and video to be played and the first playback equipment being connected that matches with described first audiogenic device, including:
According to the playlist previously generated, it is determined that next section of audio frequency and video of the audio frequency and video play in described playlist are described first audio frequency and video to be played；
According to described first audio frequency and video to be played, described first audiogenic device of inquiry storage diaphone video data；
According to the Bluetooth pairing information being pre-configured with, it is determined that described first playback equipment being connected with described first audiogenic device bluetooth.
3. method according to claim 2, it is characterised in that before determining that described first playback equipment is connected extremely with described first audiogenic device bluetooth, also include:
Obtain the first Bluetooth signal intensity of the first audiogenic device that described first playback equipment detects；
Accordingly, before determining and being connected normal target playback equipment with described first audiogenic device bluetooth, also include:
Obtain the second Bluetooth signal intensity of the first audiogenic device that in described audio-video frequency playing system, at least one other playback equipment detects；
Wherein, obtain the first Bluetooth signal intensity of the first audiogenic device that described first playback equipment detects, including:
Bluetooth signal detection instruction is sent to described first playback equipment, so that described first playback equipment detects instruction according to described Bluetooth signal, detecting the first Bluetooth signal intensity of the first audiogenic device, the detection instruction of described Bluetooth signal comprises the Bluetooth identification of described first audiogenic device；
Receive the first Bluetooth signal intensity that described first playback equipment returns；
Accordingly, obtain the second Bluetooth signal intensity of the first audiogenic device that in described audio-video frequency playing system, at least one other playback equipment detects, including:
Send the detection instruction of described Bluetooth signal at least one other playback equipment described, so that at least one other playback equipment described detect instruction according to described Bluetooth signal, detect the second Bluetooth signal intensity of the first audiogenic device；
Receive the second Bluetooth signal intensity that at least one other playback equipment described returns.
4. method according to claim 3, it is characterised in that determine that described first playback equipment is connected with described first audiogenic device bluetooth abnormal, including:
Contrast described first Bluetooth signal intensity and preset strength threshold value；
If described first Bluetooth signal intensity is less than described preset strength threshold value, it is determined that described first playback equipment is connected abnormal with described first audiogenic device bluetooth.
5. method according to claim 4, it is characterised in that determine and be connected normal target playback equipment with described first audiogenic device bluetooth, including:
Determine the maximum Bluetooth signal intensity in described second Bluetooth signal intensity；
Contrast described maximum Bluetooth signal intensity and described preset strength threshold value；
If described maximum Bluetooth signal intensity is more than described preset strength threshold value, it is determined that playback equipment corresponding to described maximum Bluetooth signal intensity is target playback equipment.
6. method according to claim 3, it is characterized in that, when determining at least one other playback equipment described, when being connected exception with described first audiogenic device bluetooth, the second audio frequency and video to be played after the first audio frequency and video to be played described in sequential search from described playlist；
Updating described second audio frequency and video to be played is the first audio frequency and video to be played；
Return the operation determining the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected with the first audiogenic device pairing.
7. method according to claim 3, it is characterised in that when determining at least one other playback equipment described, when being connected exception with described first audiogenic device bluetooth, described first audio frequency and video to be played are drained into last hurdle of described playlist.
8. method according to claim 6, it is characterized in that, when same audiogenic device being detected, playback equipment bluetooths all with described audio-video frequency playing system are connected the number of times of exception when reaching preset times, delete described same audiogenic device audio frequency and video in described playlist.
9. the broadcast control device in an audio-video frequency playing system, it is characterised in that including:
Module determined by first playback equipment, is used for determining the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected with described first audiogenic device pairing；
Whether bluetooth connection judgment module is abnormal for judging that arbitrary playback equipment is connected with the bluetooth of arbitrary audiogenic device；
Bluetooth connects disconnection module, for if it is determined that described first playback equipment is connected abnormal with described first audiogenic device bluetooth, it indicates that described first playback equipment disconnects and being connected with the bluetooth of described first audiogenic device；
Module determined by target playback equipment, is used for determining and is connected normal target playback equipment with described first audiogenic device bluetooth；
Bluetooth connects indicating module, it is connected with the bluetooth of described first audiogenic device for indicating described target playback equipment to set up, so that described target playback equipment is after current audio and video playing, receive and play the audio, video data that the first audio frequency and video to be played of described first audiogenic device transmission are corresponding.
10. device according to claim 9, it is characterised in that described first playback equipment determines that module includes:
First audio frequency and video to be played determine unit, for according to the playlist previously generated, it is determined that next section of audio frequency and video of the audio frequency and video play in described playlist are described first audio frequency and video to be played；
First audiogenic device query unit, for according to described first audio frequency and video to be played, described first audiogenic device of inquiry storage diaphone video data；
Unit determined by first playback equipment, for according to the Bluetooth pairing information being pre-configured with, it is determined that described first playback equipment being connected with described first audiogenic device bluetooth.
11. device according to claim 10, it is characterised in that also include:
First Bluetooth signal intensity acquisition module, for, before determining that described first playback equipment is connected extremely with described first audiogenic device bluetooth, obtaining the first Bluetooth signal intensity of the first audiogenic device that described first playback equipment detects；
Second Bluetooth signal intensity acquisition module, for, before determining and being connected normal target playback equipment with described first audiogenic device bluetooth, obtaining the second Bluetooth signal intensity of the first audiogenic device that in described audio-video frequency playing system, at least one other playback equipment detects；
Wherein, described first Bluetooth signal intensity acquisition module specifically for:
Bluetooth signal detection instruction is sent to described first playback equipment, so that described first playback equipment detects instruction according to described Bluetooth signal, detecting the first Bluetooth signal intensity of the first audiogenic device, the detection instruction of described Bluetooth signal comprises the Bluetooth identification of described first audiogenic device；
Receive the first Bluetooth signal intensity that described first playback equipment returns；
Accordingly, described second Bluetooth signal intensity acquisition module specifically for:
Send the detection instruction of described Bluetooth signal at least one other playback equipment described, so that at least one other playback equipment described detect instruction according to described Bluetooth signal, detect the second Bluetooth signal intensity of the first audiogenic device；
Receive the second Bluetooth signal intensity that at least one other playback equipment described returns.
12. device according to claim 11, it is characterised in that described bluetooth connection judgment module includes:
First Bluetooth signal intensity contrast unit, is used for contrasting described first Bluetooth signal intensity and preset strength threshold value；
First bluetooth connects determines unit extremely, if for described first Bluetooth signal intensity less than described preset strength threshold value, it is determined that described first playback equipment is connected abnormal with described first audiogenic device bluetooth.
13. device according to claim 12, it is characterised in that described target playback equipment determines that module includes:
Maximum Bluetooth signal strength determining unit, for determining the maximum Bluetooth signal intensity in described second Bluetooth signal intensity；
Maximum Bluetooth signal intensity contrast unit, is used for contrasting described maximum Bluetooth signal intensity and described preset strength threshold value；
Unit determined by target playback equipment, if for described maximum Bluetooth signal intensity more than described preset strength threshold value, it is determined that playback equipment corresponding to described maximum Bluetooth signal intensity is target playback equipment.
14. device according to claim 11, it is characterised in that also include:
Second audio frequency and video to be played search module, for when determine at least one other playback equipment described, when being connected exception with described first audiogenic device bluetooth, and the second audio frequency and video to be played after the first audio frequency and video to be played described in sequential search from described playlist；
Audio frequency and video are new module more, and being used for updating described second audio frequency and video to be played is the first audio frequency and video to be played；
Return and perform module, for returning the operation determining the first audiogenic device that the first audio frequency and video to be played are corresponding and the first playback equipment being connected with the first audiogenic device pairing.
15. device according to claim 11, it is characterised in that also include:
Audio frequency and video order module, for when determining at least one other playback equipment described, when being connected exception with described first audiogenic device bluetooth, draining into last hurdle of described playlist by described first audio frequency and video to be played.
16. device according to claim 14, it is characterised in that also include:
Audio frequency and video removing module, for when same audiogenic device being detected, playback equipment bluetooths all with described audio-video frequency playing system are connected abnormal number of times when reaching preset times, delete described same audiogenic device audio frequency and video in described playlist.
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