CN103888832A - Processing method and device for switching of data sources to which to player terminal has access - Google Patents
Processing method and device for switching of data sources to which to player terminal has access Download PDFInfo
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- CN103888832A CN103888832A CN201410084046.6A CN201410084046A CN103888832A CN 103888832 A CN103888832 A CN 103888832A CN 201410084046 A CN201410084046 A CN 201410084046A CN 103888832 A CN103888832 A CN 103888832A
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Abstract
The invention provides a processing method and device for switching of data sources to which a player terminal has access. The processing method and device for switching of the data sources to which the player terminal has access aim to solve the problem that according to an existing method, waste of playing resources is caused. The processing method comprises the steps that a request for switching a data source to which the player terminal has access is received, wherein the request for switching the data source to which the player terminal has access comprises the identification of the data source to which the player terminal has access, a request playing resource identification, and playing demand information; whether playing resources corresponding to the requested playing resource identification are allowed to be distributed or not is judged according to the applied playing resource identification and the playing demand information; if the playing resources are allowed to be distributed, playing resources matched with playing demand information are distributed to the data resource, to which the player terminal has access, corresponding to the identification of the data source to which the player terminal has access from the playing resources according to the playing demand information. According to the processing method and device for switching of the data sources to which the player terminal has access, the distributed playing resource can meet requirements of the data source to which the player terminal has access, and resource waste caused when excessive playing resources are distributed is avoided.
Description
Technical field
The present invention relates to multimedia technology field, particularly relate to the processing method of a kind of playback terminal access data source switching and the processing unit that switch in a kind of playback terminal access data source.
Background technology
In the last few years, along with developing rapidly of multimedia technology, various playback terminals were also developing rapidly, and its function is also increasing.Playback terminal can provide more sound, the picture of high-quality for user, meets user's various demands, has become essential a kind of equipment in people's life.
Take TV set-top box as example, at present for multifunctional set top box, its access data source may have multiple, can be for example Cable(cable of cable TV), network, USB(Universal Serial Bus, USB) or hard disk and other media, type for the played data in different access datas source is also different, for example data type may be transmission code stream (Transport Stream, TS), elementary stream (Elementary Stream, ES), packetized elementary stream (Paketized Elementary Stream, PES) etc.In the time that user needs the access data source of switching machine top box, Set Top Box is receiving after the handover request of access data source, will distribute corresponding playing resource for the access data source after this switching, to play the data that transmitted by this access data source.
In the time that playback terminal receives access data source handover request, what the access data source of no matter switching is at present, and what the type of corresponding played data is, all adopts in a like fashion directly for it distributes playing resource.But different access data sources, the dissimilar needed playing resource of played data may be different, for example, for ES, may not need DEMUX(splitter) resource, but in the time distributing playing resource, still can distribute DEMUX resource for it.
Therefore, all adopt the method for distributing in a like fashion playing resource for it for different access data sources at present, will cause the waste of playing resource, if the access data source category of playback terminal is more, in multiple access datas source, switch, will take a large amount of playing resource, even cause distributing unsuccessfully for the playing resource in some access data source, cause cannot normal play the data that transmit of corresponding access data source.
Summary of the invention
The invention provides processing method and the device that switch in a kind of playback terminal access data source, to solve the problem of current method waste playing resource.
In order to address the above problem, the invention discloses the processing method that switch in a kind of playback terminal access data source, it is characterized in that, comprising:
Receive access data source handover request, described access data source handover request comprises the playing resource mark of access data source mark, application and plays demand information;
Playing resource mark and broadcasting demand information according to described application judge whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation;
If described playing resource is for allowing Resources allocation, according to described broadcasting demand information, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
Preferably, the playing resource of the described application of described foundation mark and broadcasting demand information judge whether the playing resource of described application identifies corresponding playing resource is to allow the step of Resources allocation to comprise:
Whether the playing resource mark of the described application of foundation and broadcasting demand information judge that the playing resource of described application identifies corresponding playing resource legal, and judge that whether described playing resource is occupied;
If described playing resource is legal and unoccupied, determine that described playing resource is for allowing Resources allocation.
Preferably, described broadcasting demand information comprises played data source, and the playing resource mark of the described application of described foundation and broadcasting demand information judge whether the playing resource of described application identifies corresponding playing resource is to allow the step of Resources allocation also to comprise:
If described playing resource is occupied, directly discharge described playing resource;
Or,
If described playing resource is occupied, eject whether discharge the choice box of described playing resource, and receiving after the release command of submitting to by described choice box, discharge described playing resource.
Preferably, described broadcasting demand information comprises broadcast mode, and described broadcast mode comprises audio frequency and audio frequency and video,
Playing resource mark and the broadcasting demand information of the described application of described foundation judge that the step whether playing resource of described application identifies corresponding playing resource legal comprises:
If described broadcast mode is audio frequency, and judge that the playing resource of described application is identified within the scope of the audio resource mark setting in advance, determine that described playing resource is legal;
If described broadcast mode is audio frequency and video, and judge that the playing resource of described application is identified within the scope of the audio and video resources mark setting in advance, determine that described playing resource is legal.
Preferably, describedly judge that the whether occupied step of described playing resource comprises:
Obtain the value of busy flag position corresponding to described playing resource;
If it is unoccupied that the value of described busy flag position represents, determine that described playing resource is unoccupied.
Preferably, described broadcasting demand information comprises: played data type, played data source and broadcast mode, and described played data type comprises: transmission code stream TS, elementary stream ES and packetized elementary stream PES,
The described broadcasting demand information of described foundation distributes the step of the playing resource matching with described broadcasting demand information to comprise for described access data source identifies corresponding access data source from described playing resource:
If described played data type is TS, according to described played data source, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information;
If described played data type is ES or PES, according to described broadcast mode, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
Preferably, described broadcasting demand information also comprises splitter numbering, and described played data source comprises internal memory and tuner,
The described played data of described foundation source, from described playing resource, distribute the step of the playing resource matching with described broadcasting demand information to comprise for described access data source identifies corresponding access data source:
If described played data source is internal memory, set up described splitter and number being connected between corresponding splitter and internal memory, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource;
If described played data source is tuner, set up described splitter and number being connected between corresponding splitter and tuner, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
Preferably, described broadcast mode comprises audio frequency and audio frequency and video,
The described broadcast mode of described foundation distributes the step of the playing resource matching with described broadcasting demand information to comprise for described access data source identifies corresponding access data source from described playing resource:
If described broadcast mode is audio frequency, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource;
If described broadcast mode is audio frequency and video, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource and video playing resource.
Preferably, at the described broadcasting demand information of described foundation, from described playing resource, for described access data source identifies after corresponding access data source distributes the step of the playing resource matching with described broadcasting demand information, also comprise:
Identify after the playing request in corresponding access data source receiving for described access data source, judge whether to become distribution of work playing resource for described access data source identifies corresponding access data source;
If so, described in utilizing, for identifying the playing resource of distributing in corresponding access data source, access data source plays;
Stop after play command receiving, stop playing, and discharge and describedly identify the playing resource of corresponding access data source distribution for access data source.
According to a further aspect in the invention, also disclose the processing unit that switch in a kind of playback terminal access data source, it is characterized in that, having comprised:
Receiver module, for receiving access data source handover request, described access data source handover request comprises the playing resource mark of access data source mark, application and plays demand information;
Judge module, judges for the playing resource mark according to described application and broadcasting demand information whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation;
Distribution module, be while allowing Resources allocation for judge described playing resource at described judge module, according to described broadcasting demand information, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
Preferably, described judge module comprises:
Judge submodule, for the playing resource mark according to described application with play demand information whether judge that the playing resource of described application identifies corresponding playing resource legal, and judge that whether described playing resource is occupied;
Determine submodule, for judging described playing resource at described judgement submodule when legal and unoccupied, determine that described playing resource is for allowing Resources allocation.
Preferably, described broadcasting demand information comprises played data source, and described judge module also comprises:
Discharge submodule, in the time that described playing resource is occupied, directly discharge described playing resource;
Or,
In the time that described playing resource is occupied, eject whether discharge the choice box of described playing resource, and receiving after the release command of submitting to by described choice box, discharge described playing resource.
Preferably, described broadcasting demand information comprises broadcast mode, and described broadcast mode comprises audio frequency and audio frequency and video,
Described judgement submodule, specifically for being audio frequency at described broadcast mode, and the playing resource of judging described application is while being identified in the audio resource mark scope setting in advance, determines that described playing resource is legal; Be audio frequency and video at described broadcast mode, and the playing resource of judging described application is while being identified in the audio and video resources mark scope setting in advance, determines that described playing resource is legal.
Preferably, described judgement submodule, specifically for obtaining the value of busy flag position corresponding to described playing resource; If it is unoccupied that the value of described busy flag position represents, determine that described playing resource is unoccupied.
Preferably, described broadcasting demand information comprises: played data type, played data source and broadcast mode, and described played data type comprises: transmission code stream TS, elementary stream ES and packetized elementary stream PES,
Described distribution module comprises:
The first distribution sub module in the time that described played data type is TS, according to described played data source, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource;
The second distribution sub module, for in the time that described played data type is ES or PES, according to described broadcast mode, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
Preferably, described broadcasting demand information also comprises splitter numbering, and described played data source comprises internal memory and tuner,
Described the first distribution sub module, while being internal memory specifically for originating in described played data, set up described splitter and number being connected between corresponding splitter and internal memory, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource; In the time that described played data source is tuner, set up described splitter and number being connected between corresponding splitter and tuner, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
Preferably, described broadcast mode comprises audio frequency and audio frequency and video,
Described the second distribution sub module specifically in the time that described broadcast mode is audio frequency, is distributed audio frequency playing resource for described access data source identifies corresponding access data source from described playing resource; In the time that described broadcast mode is audio frequency and video, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource and video playing resource.
Preferably, described device also comprises:
Playing module, for identifying after the playing request in corresponding access data source receiving for described access data source, judges whether to become distribution of work playing resource for described access data source identifies corresponding access data source; If so, described in utilizing, for identifying the playing resource of distributing in corresponding access data source, access data source plays;
Release module, for stopping after play command receiving, stops playing, and discharges and describedly identify the playing resource of corresponding access data source distribution for access data source.
Compared with prior art, the present invention includes following advantage:
In the present invention, playback terminal is receiving after the handover request of access data source, first the playing resource mark of the application comprising according to described access data source handover request and broadcasting demand information are judged to whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation, then be while allowing Resources allocation in described playing resource, from described playing resource, distribute for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information.The present invention is due in the time distributing playing resource for access data source, to distribute according to broadcasting demand information corresponding to this access data source, only distribute the playing resource matching with described broadcasting demand information, because described broadcasting demand information has been indicated the broadcasting demand in this access data source, therefore the playing resource distributed both can meet the requirement in this access data source, can avoid again distributing unnecessary playing resource and the waste that causes resource.
In addition, can also be in the time that applied for playing resource be occupied in the present invention, discharge described playing resource, and stopping after broadcasting, also can be released to the playing resource that access data source corresponding while broadcasting is distributed, thereby further save playing resource, and while guaranteeing that access data source category at playback terminal is more, still can meet the demand in multiple access data source.
Accompanying drawing explanation
Fig. 1 is the flow chart of the processing method of a kind of playback terminal access data source switching of the embodiment of the present invention one;
Fig. 2 is the flow chart of the processing method of a kind of playback terminal access data source switching of the embodiment of the present invention two;
Fig. 3 is the flow chart of a kind of method of applying for playing resource of the embodiment of the present invention two;
Fig. 4 is the flow chart of the method play of a kind of playback terminal of the embodiment of the present invention two;
Fig. 5 is the structured flowchart of the processing unit of a kind of playback terminal access data source switching of the embodiment of the present invention three.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Playback terminal is in the time carrying out the switching in access data source, to distribute playing resource for the access data source that will switch, and playback terminal all adopts identical method to carry out the distribution of playing resource at present, but the different needed playing resource in access data source may be different, therefore current distribution method will cause the unreasonable distribution of playing resource, causes the waste of resource; And along with scientific and technological development, the kind in the access data source of playback terminal is more and more, if still adopt the above-mentioned method of salary distribution, will cause limited playing resource in playback terminal can not meet the demand in increasing access data source.
For the problems referred to above, the invention provides a kind of can be according to the broadcasting demand in different access datas source, the method and apparatus that carries out targetedly playing resource distribution.Below, be described in detail by following each embodiment.It should be noted that, the playback terminal in the present invention can be realized equipment of the present invention for TV set-top box, smart mobile phone, PC etc.
Embodiment mono-:
With reference to Fig. 1, show the flow chart of the processing method of a kind of playback terminal access data source switching of the embodiment of the present invention one, the method specifically can comprise the following steps:
Take this playback terminal of TV set-top box as example, its access data source can comprise multiple, such as Cable, network, USB, DVD(Digital Versatile Disc, digital versatile disc) etc.In television set top box, multiple input ports can be set, access data source, each road can be connected on input port corresponding with it in television set top box.
When to switch on described playback terminal access data source time, playback terminal can receive access data source handover request, can comprise the playing resource mark of access data source mark, application and play demand information etc. in this access data source handover request.Wherein, access data source mark can indicate what the current access data source that will be switched to is, the playing resource mark of application can indicate the access data source that will be switched to need to apply for which playing resource, plays demand information and can indicate what the broadcasting demand in the access data source that will be switched to is.
In the embodiment of the present invention, described access data source handover request can be selected to trigger by user.For example, in the time that needs are switched to USB from Cable, can select by the corresponding function button on operation TV set-top box remote controller, after selecting, can trigger access data source handover request and send to TV set-top box.Certainly, also can not select by TV set-top box remote controller, and directly select by the function button carrying in TV set-top box, etc.Described access data source handover request can also automatically trigger in the time that TV set-top box is initially started shooting, and the embodiment of the present invention is not limited this.
After receiving described access data source handover request, can according to comprising application playing resource mark and play demand information and judge whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation.
If judge that described playing resource is as allowing Resources allocation, explanation can be distributed to this playing resource the access data source that access data source handover request comprises and identify corresponding access data source; If judge that described playing resource is as forbidding Resources allocation, explanation forbids distributing this playing resource, now can in television display, eject prompting frame, in described prompting frame, can show miscue information, for example described miscue information can be the information such as " current playing resource is illegal; cannot distribute playing resource ", " current playing resource is occupied; cannot distribute playing resource ", user is according to this miscue information, can select again to apply for, or abandon application etc.
Step 103 if described playing resource is for allowing Resources allocation, according to described broadcasting demand information, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource.
If judge in step 102 that described playing resource is as allowing Resources allocation, can, according to described broadcasting demand information, from described playing resource, for identifying corresponding access data source, described access data source distribute the playing resource matching with described broadcasting demand information.Because described broadcasting demand information can indicate what the broadcasting demand in the access data source that will be switched to is, therefore in the embodiment of the present invention, can distribute the playing resource matching with described broadcasting demand information, and the playing resource of distributing also can meet the broadcasting demand in the access data source that will be switched to.For the detailed process of distributing playing resource, will in embodiment below bis-, be elaborated.
In the embodiment of the present invention, due in the time distributing playing resource for access data source, to distribute according to broadcasting demand information corresponding to this access data source, only distribute the playing resource matching with described broadcasting demand information, because described broadcasting demand information has been indicated the broadcasting demand in this access data source, therefore the playing resource distributed both can meet the requirement in this access data source, can avoid again distributing unnecessary playing resource and the waste that causes resource.
Embodiment bis-:
With reference to Fig. 2, show the flow chart of the processing method of a kind of playback terminal access data source switching of the embodiment of the present invention two, the method specifically can comprise the following steps:
In described playback terminal, can comprise an administration module, for the process such as distribution, the broadcasting of audio, video data of resource, can manage by this administration module.In the time that playback terminal is worked, first can carry out initialization to described administration module.
In the embodiment of the present invention, the initialized process of described administration module can comprise: for the initialization of the management information of inside modules, for example, for arranging of some flag bit (busy flag position and application status flag bit as described later) etc.; To the initialization of configuration relevant to audio frequency and video in playback terminal, for example, for the setting of output port, as to CVBS(Composite Video Broadcast Signal, composite video broadcast singal) interface, component interface, HDMI(High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)) etc. setting; The initialization that video layer is shown; The setting of the initialization to output window and output window size; Registration to audio frequency dynamic decoder storehouse and the setting of audio output; To with OSD(On Screen Display, screen display) setting of the relevant demonstration of layer, etc.These initialization are element tasks of carrying out for follow-up audio, video data output display etc., thereby guarantee the correct output of audio frequency and video.For concrete initialization procedure, those skilled in the art are according to the practical experience setting of being correlated with, and the embodiment of the present invention is discussed no longer in detail at this.
Specifically introduce in the embodiment of the present invention, specifically how to apply for playing resource below.With reference to Fig. 3, show the flow chart of a kind of method of applying for playing resource of the embodiment of the present invention two, the method specifically can comprise the following steps:
In a preferred embodiment of the present invention, described access data source handover request can comprise the playing resource mark of access data source mark, application and play demand information.
The title of the input port that wherein, access data source mark can connect for the title in access data source or access data source.The playing resource mark of application can be the index value of playing resource, can be for example 0 tunnel, 1 tunnel etc., have different situations according to the difference configuration of TV set-top box, if for example support 15 tunnels, described playing resource mark can be any one numerical value in 0 to 14.Described broadcasting demand information can comprise played data type, played data source and broadcast mode; Wherein, described played data type can comprise: TS, ES and PES; Described played data source can comprise: internal memory (RAM) and tuner (TUNER), and for example, in the time receiving the video frequency signal that vision signal in the broadcast singal spectral range not receiving at tuner transmits as DVD player, its Data Source is internal memory; When receiving normal DVB(Digital Video Broadcasting, digital video broadcasting) when signal, its Data Source is tuner; Described broadcast mode can comprise: audio frequency (AUDIO) and audio frequency and video (AUDIO and VIDEO); In the time that described played data type is TS, described broadcasting demand information can also comprise DEMUX numbering.Certainly, described broadcasting demand information can also comprise other guide, and the present invention is not limited this.The included foregoing of described broadcasting demand information may reside in the header file of described broadcasting demand information and lists in the mode of enumerating.
If described playing resource, for allowing Resources allocation, performs step 304; If described playing resource, for forbidding Resources allocation, performs step 303.
In a preferred embodiment of the present invention, this step 302 specifically can comprise following sub-step:
Sub-step a1, whether the playing resource mark of the described application of foundation and broadcasting demand information judge that the playing resource of described application identifies corresponding playing resource legal, and judge that whether described playing resource is occupied;
If described playing resource is legal and unoccupied, carry out sub-step a2; If described playing resource is illegal or occupied, carry out sub-step a3.
Sub-step a2, determines that described playing resource is for allowing Resources allocation;
Sub-step a3, determines that described playing resource is for forbidding Resources allocation.
In above-mentioned sub-step a1, do not limit and wherein judge whether legally, and judge whether occupied sequencing.Therefore, the detailed process of sub-step a1 can comprise following two kinds of situations:
The first situation:
Sub-step a11, judge that whether described playing resource is legal;
If illegal, carry out sub-step a3; If legal, carry out sub-step a12.
Sub-step a12, judges that whether described playing resource is occupied.
If occupied, carry out sub-step a3; If unoccupied, carry out sub-step a2.
The second situation:
Sub-step a11 ＇, judge that whether described playing resource is occupied;
If occupied, carry out sub-step a3; If unoccupied, carry out sub-step a12 ＇.
Sub-step a12 ＇, judges that whether described playing resource is legal.
If illegal, carry out sub-step a3; If legal, carry out sub-step a2.
Wherein, describedly judge that the whether legal step of described playing resource can comprise: if described broadcast mode is audio frequency, and judge that the playing resource of described application is identified within the scope of the audio resource mark setting in advance, determine that described playing resource is legal; If described broadcast mode is audio frequency and video, and judge that the playing resource of described application is identified within the scope of the audio and video resources mark setting in advance, determine that described playing resource is legal.
For the concrete value of described audio resource mark scope and described audio and video resources mark scope, those skilled in the art are according to actual conditions type related setting, and the embodiment of the present invention is not limited this.The situation of the audio frequency and video that for example can support according to TV set-top box reality is set, if can support 2 road videos, 15 road audio frequency, can set described audio resource mark scope is 0 to 14, setting described audio and video resources mark scope is 0 to 1, etc., in such cases, unbalanced for fear of distributing, in the time of request, if broadcast mode is audio frequency, in this request, included playing resource mark can be chosen the numerical value in 2 to 14, thereby avoids taking the required resource of video playback.
In a preferred embodiment of the present invention, can also a busy flag position be set for each playing resource, whether occupied to identify this playing resource, can judge that by the value of busy flag position corresponding to described playing resource whether described playing resource is occupied.Therefore, describedly judge that the whether occupied step of described playing resource can comprise: the value of obtaining busy flag position corresponding to described playing resource; If it is unoccupied that the value of described busy flag position represents, determine that described playing resource is unoccupied; If it is occupied that the value of described busy flag position represents, determine that described playing resource is occupied.For example, can arrange and in the time that the value of described busy flag position is 1, can represent that this playing resource is occupied, can represent that this playing resource is unoccupied in the time that the value of described busy flag position is 0.
If judge described playing resource for forbidding Resources allocation in step 302, explanation forbids distributing this playing resource, now can in television display, eject prompting frame, in described prompting frame, can show miscue information.For example, when judging described playing resource when illegal, described miscue information can be " current playing resource is illegal; cannot distribute playing resource ", when judging described playing resource when occupied, described miscue information can be " current playing resource is occupied, cannot distribute playing resource ", etc.User, according to this miscue information, can select again to apply for, or abandon application etc.
In a preferred embodiment of the present invention, can also an application status flag bit be set for each playing resource, whether apply for successfully to identify this playing resource, for example in the time that described application status flag bit is 1, can represent that this playing resource applied for successfully, in the time that described application status flag bit is 0, can represent that this playing resource do not apply for successfully.Therefore, in step 302, judge described playing resource when forbidding Resources allocation, can be set to not apply for successfully by application status flag bit corresponding to this playing resource.
In addition, judging described playing resource when occupied, can also discharge described playing resource.In the embodiment of the present invention, can adopt following two kinds of modes to discharge described playing resource: (1) directly discharges described playing resource; (2) eject whether discharge the choice box of described playing resource, and receiving after the release command of submitting to by described choice box, discharge described playing resource.
Step 304 according to described broadcasting demand information, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource.
If judge described playing resource for allowing Resources allocation in step 302, can from described playing resource, for identifying corresponding access data source, described access data source distribute playing resource.In the embodiment of the present invention, according to the difference of described broadcasting demand information, can distribute different playing resource for corresponding access data source.This step 304 specifically can comprise following sub-step:
Sub-step b1 if described played data type is TS, according to described played data source, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource.
In the embodiment of the present invention, if played data type corresponding to described access data source is TS, can illustrate that it had both needed audio resource, also need video resource, and will carry out different processing according to the difference in played data source.Therefore, above-mentioned sub-step b1 specifically can comprise following sub-step:
Sub-step b11, if described played data source is internal memory, set up described splitter and number being connected between corresponding splitter and internal memory, be sent to splitter with the played data that internal memory is received, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource;
It should be noted that, if described played data source is internal memory, may not guarantee the transmission speed of played data, thereby cause in the time playing not smooth, affect user awareness, therefore in a preferred embodiment of the present invention, setting up after described splitter numbers being connected between corresponding splitter and internal memory, can also create buffer memory with storage played data, thereby guarantee the fluency of playing.
Sub-step b12, if described played data source is tuner, set up described splitter and number being connected between corresponding splitter and tuner, be sent to splitter with the played data that tuner is received, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
Sub-step b2 if described played data type is ES or PES, according to described broadcast mode, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource.
In the embodiment of the present invention, if played data type corresponding to described access data source is ES or PES, also to carry out different processing according to the difference of broadcast mode.Therefore, above-mentioned sub-step b2 specifically can comprise following sub-step:
Sub-step b21 if described broadcast mode is audio frequency, distributes audio frequency playing resource for described access data source identifies corresponding access data source from described playing resource;
Sub-step b22 if described broadcast mode is audio frequency and video, distributes audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
In the embodiment of the present invention, after the described broadcasting demand information of described foundation distributes the step of playing resource that can meet described broadcasting demand information from described playing resource, busy flag position that can also described playing resource is set to occupied, and the application status flag bit of described playing resource is set to apply for successfully.
In the process of above-mentioned distribution playing resource, association attributes can also be set.The attribute that audio frequency and video output is for example set, comprises synchronous mode, for example, can be PCR(Program Clock Reference, program clock reference) synchronous or AUDIO is synchronous etc.; It is blank screen or quiet frame that zapping mode is set again, and synchronous output control is frame-skipping or slow motion, and the presynchronization time is how many, and these attributes determine state and the mode when audio frequency and video are play, exported the most at last.The setting of attribute is tentatively to arrange according to access data Source Type, then also want to adjust dynamically, these all will, by calling hardware setting function, be configured by the parameter to structure, for concrete process, the embodiment of the present invention is discussed no longer in detail at this.
In the embodiment of the present invention, after playing resource is distributed in the access data source for switching, can also start audio frequency and video playing function to switch to described access data source, and play the audio, video data that transmit in described access data source.
With reference to Fig. 4, show the flow chart of the method that a kind of playback terminal of the embodiment of the present invention two plays, the method can comprise the following steps:
Wherein, described playing request can be selected to trigger by user.For example, can select this access data source, road to play by the corresponding function button on operation TV set-top box remote controller, after selecting, can trigger playing request and send to TV set-top box.Certainly, also can not select by TV set-top box remote controller, and directly select by the function button carrying in TV set-top box, etc.
If not, perform step 403; If so, perform step 404.
In the embodiment of the present invention, the application status of playing resource (being that above-mentioned playing resource identifies corresponding playing resource) that can be corresponding according to described access data source judges whether to become distribution of work playing resource for described access data source identifies corresponding access data source.If the application status of described playing resource is for applying for successfully, can determine and become distribution of work playing resource for described access data, if the application status of described playing resource, for not applying for successfully, can also be determined and not become distribution of work playing resource for described access data.
User sees this prompting frame, can understand the playing resource in this access data source, road and also not apply for successfully, now can select again to apply for other road playing resource, and concrete application process is with reference to above-mentioned associated description.
Stop after play command receiving, can stop playing.The described play command that stops can being selected to trigger by user.For example, can select stop playing by the corresponding function button on operation TV set-top box remote controller, after selecting, can trigger and stop play command and send to TV set-top box.Certainly, also can not select by TV set-top box remote controller, and directly select by the function button carrying in TV set-top box, etc.
Stopping after broadcasting, in order to save playing resource, described in can also discharging, identify the playing resource of corresponding access data source distribution for access data source.After discharging, busy flag position that can this playing resource is set to unoccupied, thereby can Jiang Gai road playing resource distributes to other access data source.
In the embodiment of the present invention, the playing resource of distributing both can meet the requirement in access data source, the waste that can avoid again distributing unnecessary playing resource and cause resource, thereby can guarantee that access data source category at playback terminal is more time, still can meet the demand in multiple access data source; In addition, can also in the time of the playing resource that does not need to have distributed, be discharged, thereby further be saved playing resource.
For aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
Embodiment tri-:
With reference to Fig. 5, show the structured flowchart of the processing unit of a kind of playback terminal access data source switching of the embodiment of the present invention three, this device specifically can comprise with lower module:
Receiver module 501, for receiving access data source handover request, described access data source handover request comprises the playing resource mark of access data source mark, application and plays demand information;
Judge module 502, judges for the playing resource mark according to described application and broadcasting demand information whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation;
Distribution module 503, be while allowing Resources allocation for judge described playing resource at described judge module, according to described broadcasting demand information, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
In a preferred embodiment of the present invention, described broadcasting demand information can comprise played data type, played data source and broadcast mode.Wherein, described played data type can comprise: transmission code stream TS, elementary stream ES and packetized elementary stream PES; Described played data source can comprise: internal memory and tuner; Described broadcast mode can comprise: audio frequency and audio frequency and video.Described broadcasting demand information can also comprise the information such as splitter numbering.
Described judge module can comprise following submodule:
Judge submodule, for the playing resource mark according to described application with play demand information whether judge that the playing resource of described application identifies corresponding playing resource legal, and judge that whether described playing resource is occupied;
Determine submodule, for judging described playing resource at described judgement submodule when legal and unoccupied, determine that described playing resource is for allowing Resources allocation;
Discharge submodule, in the time that described playing resource is occupied, directly discharge described playing resource; Or, in the time that described playing resource is occupied, ejects whether discharge the choice box of described playing resource, and receiving after the release command of submitting to by described choice box, discharge described playing resource.
Wherein, described judgement submodule, specifically can be for being audio frequency at described broadcast mode, and the playing resource of judging described application is while being identified in the audio resource mark scope setting in advance, determines that described playing resource is legal; Be audio frequency and video at described broadcast mode, and the playing resource of judging described application is while being identified in the audio and video resources mark scope setting in advance, determines that described playing resource is legal.
Described judgement submodule, specifically can also be used for obtaining the value of busy flag position corresponding to described playing resource; If it is unoccupied that the value of described busy flag position represents, determine that described playing resource is unoccupied; If it is occupied that the value of described busy flag position represents, determine that described playing resource is occupied.
Described distribution module can comprise following submodule:
The first distribution sub module in the time that described played data type is TS, according to described played data source, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource;
The second distribution sub module, for in the time that described played data type is ES or PES, according to described broadcast mode, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
Wherein, described the first distribution sub module, specifically can be internal memory for originating in described played data time, set up described splitter and number being connected between corresponding splitter and internal memory, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource; In the time that described played data source is tuner, set up described splitter and number being connected between corresponding splitter and tuner, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
Described the second distribution sub module specifically can, in the time that described broadcast mode is audio frequency, be distributed audio frequency playing resource for described access data source identifies corresponding access data source from described playing resource; In the time that described broadcast mode is audio frequency and video, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource and video playing resource.
In a preferred embodiment of the present invention, described device can also comprise with lower module:
Playing module, for identifying after the playing request in corresponding access data source receiving for described access data source, judges whether to become distribution of work playing resource for described access data source identifies corresponding access data source; If so, described in utilizing, for identifying the playing resource of distributing in corresponding access data source, access data source plays;
Release module, for stopping after play command receiving, stops playing, and discharges and describedly identify the playing resource of corresponding access data source distribution for access data source.
In the embodiment of the present invention, due in the time distributing playing resource for access data source, to distribute according to broadcasting demand information corresponding to this access data source, only distribute the playing resource matching with described broadcasting demand information, because described broadcasting demand information has been indicated the broadcasting demand in this access data source, therefore the playing resource distributed both can meet the requirement in this access data source, the waste that can avoid again distributing unnecessary playing resource and cause resource, thereby can guarantee that access data source category at playback terminal is more time, still can meet the demand in multiple access data source.In addition, the embodiment of the present invention can also, in the time that applied for playing resource is occupied, discharge described playing resource, and is stopping after broadcasting, also can be released to the playing resource that access data source corresponding while broadcasting is distributed, thereby further save playing resource.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
The present invention can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises and carries out particular task or realize routine, program, object, assembly, data structure of particular abstract data type etc.Also can in distributed computing environment (DCE), put into practice the present invention, in these distributed computing environment (DCE), be executed the task by the teleprocessing equipment being connected by communication network.In distributed computing environment (DCE), program module can be arranged in the local and remote computer-readable storage medium including memory device.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, commodity or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, commodity or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, commodity or the equipment that comprises described key element and also have other identical element.
The processing method and the device that above a kind of playback terminal access data provided by the present invention source are switched, be described in detail, applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (18)
1. the processing method that switch in playback terminal access data source, is characterized in that, comprising:
Receive access data source handover request, described access data source handover request comprises the playing resource mark of access data source mark, application and plays demand information;
Playing resource mark and broadcasting demand information according to described application judge whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation;
If described playing resource is for allowing Resources allocation, according to described broadcasting demand information, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
2. method according to claim 1, is characterized in that, the playing resource mark of the described application of described foundation and broadcasting demand information judge whether the playing resource of described application identifies corresponding playing resource is to allow the step of Resources allocation to comprise:
Whether the playing resource mark of the described application of foundation and broadcasting demand information judge that the playing resource of described application identifies corresponding playing resource legal, and judge that whether described playing resource is occupied;
If described playing resource is legal and unoccupied, determine that described playing resource is for allowing Resources allocation.
3. method according to claim 2, it is characterized in that, described broadcasting demand information comprises played data source, and the playing resource mark of the described application of described foundation and broadcasting demand information judge whether the playing resource of described application identifies corresponding playing resource is to allow the step of Resources allocation also to comprise:
If described playing resource is occupied, directly discharge described playing resource;
Or,
If described playing resource is occupied, eject whether discharge the choice box of described playing resource, and receiving after the release command of submitting to by described choice box, discharge described playing resource.
4. method according to claim 2, is characterized in that, described broadcasting demand information comprises broadcast mode, and described broadcast mode comprises audio frequency and audio frequency and video,
Playing resource mark and the broadcasting demand information of the described application of described foundation judge that the step whether playing resource of described application identifies corresponding playing resource legal comprises:
If described broadcast mode is audio frequency, and judge that the playing resource of described application is identified within the scope of the audio resource mark setting in advance, determine that described playing resource is legal;
If described broadcast mode is audio frequency and video, and judge that the playing resource of described application is identified within the scope of the audio and video resources mark setting in advance, determine that described playing resource is legal.
5. method according to claim 2, is characterized in that, describedly judges that the whether occupied step of described playing resource comprises:
Obtain the value of busy flag position corresponding to described playing resource;
If it is unoccupied that the value of described busy flag position represents, determine that described playing resource is unoccupied.
6. method according to claim 1, is characterized in that, described broadcasting demand information comprises: played data type, played data source and broadcast mode, and described played data type comprises: transmission code stream TS, elementary stream ES and packetized elementary stream PES,
The described broadcasting demand information of described foundation distributes the step of the playing resource matching with described broadcasting demand information to comprise for described access data source identifies corresponding access data source from described playing resource:
If described played data type is TS, according to described played data source, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information;
If described played data type is ES or PES, according to described broadcast mode, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
7. method according to claim 6, is characterized in that, described broadcasting demand information also comprises splitter numbering, and described played data source comprises internal memory and tuner,
The described played data of described foundation source, from described playing resource, distribute the step of the playing resource matching with described broadcasting demand information to comprise for described access data source identifies corresponding access data source:
If described played data source is internal memory, set up described splitter and number being connected between corresponding splitter and internal memory, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource;
If described played data source is tuner, set up described splitter and number being connected between corresponding splitter and tuner, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
8. method according to claim 6, is characterized in that, described broadcast mode comprises audio frequency and audio frequency and video,
The described broadcast mode of described foundation distributes the step of the playing resource matching with described broadcasting demand information to comprise for described access data source identifies corresponding access data source from described playing resource:
If described broadcast mode is audio frequency, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource;
If described broadcast mode is audio frequency and video, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource and video playing resource.
9. method according to claim 1, it is characterized in that, at the described broadcasting demand information of described foundation, from described playing resource, for described access data source identifies after corresponding access data source distributes the step of the playing resource matching with described broadcasting demand information, also comprise:
Identify after the playing request in corresponding access data source receiving for described access data source, judge whether to become distribution of work playing resource for described access data source identifies corresponding access data source;
If so, described in utilizing, for identifying the playing resource of distributing in corresponding access data source, access data source plays;
Stop after play command receiving, stop playing, and discharge and describedly identify the playing resource of corresponding access data source distribution for access data source.
10. the processing unit that switch in playback terminal access data source, is characterized in that, comprising:
Receiver module, for receiving access data source handover request, described access data source handover request comprises the playing resource mark of access data source mark, application and plays demand information;
Judge module, judges for the playing resource mark according to described application and broadcasting demand information whether the playing resource of described application identifies corresponding playing resource is to allow Resources allocation;
Distribution module, be while allowing Resources allocation for judge described playing resource at described judge module, according to described broadcasting demand information, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
11. devices according to claim 10, is characterized in that, described judge module comprises:
Judge submodule, for the playing resource mark according to described application with play demand information whether judge that the playing resource of described application identifies corresponding playing resource legal, and judge that whether described playing resource is occupied;
Determine submodule, for judging described playing resource at described judgement submodule when legal and unoccupied, determine that described playing resource is for allowing Resources allocation.
12. devices according to claim 11, is characterized in that, described broadcasting demand information comprises played data source, and described judge module also comprises:
Discharge submodule, in the time that described playing resource is occupied, directly discharge described playing resource;
Or,
In the time that described playing resource is occupied, eject whether discharge the choice box of described playing resource, and receiving after the release command of submitting to by described choice box, discharge described playing resource.
13. devices according to claim 11, is characterized in that, described broadcasting demand information comprises broadcast mode, and described broadcast mode comprises audio frequency and audio frequency and video,
Described judgement submodule, specifically for being audio frequency at described broadcast mode, and the playing resource of judging described application is while being identified in the audio resource mark scope setting in advance, determines that described playing resource is legal; Be audio frequency and video at described broadcast mode, and the playing resource of judging described application is while being identified in the audio and video resources mark scope setting in advance, determines that described playing resource is legal.
14. devices according to claim 11, is characterized in that, described judgement submodule, specifically for obtaining the value of busy flag position corresponding to described playing resource; If it is unoccupied that the value of described busy flag position represents, determine that described playing resource is unoccupied.
15. devices according to claim 10, it is characterized in that, described broadcasting demand information comprises: played data type, played data source and broadcast mode, described played data type comprises: transmission code stream TS, elementary stream ES and packetized elementary stream PES
Described distribution module comprises:
The first distribution sub module in the time that described played data type is TS, according to described played data source, distributes for described access data source identifies corresponding access data source the playing resource matching with described broadcasting demand information from described playing resource;
The second distribution sub module, for in the time that described played data type is ES or PES, according to described broadcast mode, from described playing resource, for identifying corresponding access data source, described access data source distributes the playing resource matching with described broadcasting demand information.
16. devices according to claim 15, is characterized in that, described broadcasting demand information also comprises splitter numbering, and described played data source comprises internal memory and tuner,
Described the first distribution sub module, while being internal memory specifically for originating in described played data, set up described splitter and number being connected between corresponding splitter and internal memory, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource; In the time that described played data source is tuner, set up described splitter and number being connected between corresponding splitter and tuner, and distribute audio frequency playing resource and video playing resource for described access data source identifies corresponding access data source from described playing resource.
17. devices according to claim 15, is characterized in that, described broadcast mode comprises audio frequency and audio frequency and video,
Described the second distribution sub module specifically in the time that described broadcast mode is audio frequency, is distributed audio frequency playing resource for described access data source identifies corresponding access data source from described playing resource; In the time that described broadcast mode is audio frequency and video, from described playing resource, for identifying corresponding access data source, described access data source distributes audio frequency playing resource and video playing resource.
18. devices according to claim 10, is characterized in that, also comprise:
Playing module, for identifying after the playing request in corresponding access data source receiving for described access data source, judges whether to become distribution of work playing resource for described access data source identifies corresponding access data source; If so, described in utilizing, for identifying the playing resource of distributing in corresponding access data source, access data source plays;
Release module, for stopping after play command receiving, stops playing, and discharges and describedly identify the playing resource of corresponding access data source distribution for access data source.
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