CN101355766A - Mobile terminal and control method for playing multimedia thereof - Google Patents
Mobile terminal and control method for playing multimedia thereof Download PDFInfo
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- CN101355766A CN101355766A CNA2008102118479A CN200810211847A CN101355766A CN 101355766 A CN101355766 A CN 101355766A CN A2008102118479 A CNA2008102118479 A CN A2008102118479A CN 200810211847 A CN200810211847 A CN 200810211847A CN 101355766 A CN101355766 A CN 101355766A
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Abstract
The invention relates to the multimedia field, in particular to a technology for improving the multimedia playing efficiency of a mobile terminal. The invention also provides the mobile terminal and a method thereof for controlling the multimedia playing. The method comprises the following steps: a multimedia playing control process of the mobile terminal receives playing request information transmitted by an application process; and the multimedia playing process corresponding to the application process with high priority level is preferably operated for multimedia playing according to the preset priority level of the application process. The multimedia playing control process is used for coordinate and manage the multimedia playing request of each application process, and the priority level of each application process decides which multimedia playing process corresponding to the application process is preferably operated, thereby avoiding the conflict generated while the application process simultaneously requires multimedia playing, improving the multimedia playing efficiency, and accelerating the response when a plurality of multimedia have playing requirements.
Description
Technical field
The present invention relates to the multimedia field, relate in particular to the technology that improves the mobile multimedia terminal playing efficiency.
Background technology
In portable terminal, have the application that realizes various tasks, such as, short message editing application, MP3 (MPEGAudioLayer3) play application, caller identification application, quarter-bell application, short message prompt application, recreation application etc.
Portable terminal as shown in Figure 1 produces according to the outer signals (such as key information or call request etc.) that receives and interrupts, and down trigger operation application corresponding process is carried out function corresponding.For example, after the user carried out keyboard operation information, portable terminal produced the interruption of recreation request, and by this down trigger running game application process; When perhaps portable terminal receives the call request of network side, produce call request and interrupt, thus operation caller identification application process.
Often have a plurality of threads in the process of each application, each thread is in order to finish subtask corresponding in the application.Such as, in the recreation application process, comprise: game algorithm thread, game video Play Control thread, recreation voice playing control thread, be responsible for finishing game algorithm subtask, game video Play Control subtask, recreation voice playing control subtask respectively.
For the application that has the multimedia task in the portable terminal, play use, play application, caller identification application, quarter-bell application etc. such as MP3, all be useful on the thread (multimedia video Play Control thread or multimedia audio Play Control thread) of control multimedia in its application process.Multimedia control thread in the application process (comprising video playback control thread or voice playing control thread) is controlled audio frequency apparatus or display device by the system call (System Call) that calling system kernel (such as linux kernel) is provided, thereby realizes multimedia sound, video output.For example, multimedia audio Play Control thread uses the open system call, and (system call opens file,) write data to audio frequency apparatus, the DSP of audio frequency apparatus (Digital Signal Processing, Digital Signal Processing) digital signal that writes is converted to analog signal output, thus output sound.Because in carrying out the multimedia control procedure, need by DMA (Direct Memory Access, direct memory access (DMA)) constantly write data to hardware device, and the control of DMA needs CPU (Center Process Unit, CPU) participate in, so application process to take more cpu resource in carrying out the multimedia process.
The present inventor finds, the portable terminal of prior art can be when two or more interruptions (such as the interruption of MP3 playing request, call request interruption, quarter-bell timing interruption etc.) that all need to carry out media play arrive, each interrupts corresponding application process operation simultaneously, cause these application processes might carry out multimedia control simultaneously, and cause system resource (comprising cpu resource, memory source and hardware device resources) nervous even to the conflict of resource occupation, make the portable terminal response slowly even can't respond.Even after linking up by mutual photos and sending messages between these application processes and coordinating, decision removes the sequencing of carrying out, avoiding the seizing of system resource, and communication between the application process and coordination process also will expend the long period, make portable terminal response still relatively slowly.
Therefore, the efficient of the portable terminal of prior art control multimedia is unsatisfactory, and response slowly and makes user experience not good when a plurality of multimedia demand is arranged.
Summary of the invention
The embodiment of the invention provides a kind of portable terminal and control method for playing multimedia thereof, in order to improve the mobile multimedia terminal playing efficiency, accelerates the response speed of portable terminal when a plurality of multimedia demand is arranged.
A kind of control method for playing multimedia comprises:
The multimedia control process of portable terminal receives the playing request information that application process sends; And
According to the application process priority that sets in advance, the preferential high pairing multimedia thread of application process of running priority level carries out multimedia.
In the process of the high pairing multimedia thread of application process of described running priority level, also comprise:
Described multimedia control process receives the multimedia control information of described limit priority application process transmission and passes to the multimedia thread of described limit priority application process correspondence;
The multimedia thread of described limit priority application process correspondence carries out multimedia control according to described multimedia control information.
Described multimedia thread carries out multimedia control according to described multimedia control information, specifically comprises:
If described multimedia control information is the information of control beginning play multimedia, then described multimedia thread creation multi-medium data writes thread;
Described multi-medium data writes thread and writes multi-medium data to multimedia equipment, and described multimedia equipment carries out multimedia according to the multi-medium data that writes.
After in described operation multimedia control process, carrying out multimedia, also comprise corresponding to the multimedia thread of described limit priority application process:
After the multimedia thread operation of described limit priority application process correspondence finishes, withdraws from, the pairing playing request information of described multimedia control this application process of process-kill.
After the pairing playing request information of described multimedia control this application process of process-kill, also comprise:
Described multimedia control process is determined the remaining the highest application process of the pairing application process medium priority of playing request information, and the new pairing multimedia thread of determining of limit priority application process of preferential operation carries out multimedia.
A kind of portable terminal comprises:
Application process is used for sending playing request information when needs carry out multimedia;
Multimedia control process is used to receive described playing request information; And according to the application process priority that sets in advance, the preferential high pairing multimedia thread of application process of running priority level carries out multimedia.
The portable terminal of the embodiment of the invention is owing to adopt multimedia control process to coordinate, manage the multimedia request of each application process, and according to the preferential pairing multimedia thread of which application process that moves of the priority decision of each application process, thereby when avoiding each application process to need at the same time to carry out multimedia and produce conflict, improve the multimedia efficient of portable terminal, accelerated the response speed of portable terminal when a plurality of multimedia demand is arranged.
Description of drawings
Fig. 1 is the internal structure schematic diagram of the mobile terminal system of prior art;
Fig. 2 is the internal structure schematic diagram of the mobile terminal system of the embodiment of the invention;
Fig. 3 is the method flow diagram of the portable terminal control multimedia of the embodiment of the invention.
Embodiment
Be provided with multimedia control process in the portable terminal of the embodiment of the invention.Application process with multimedia demand promptly sends playing request information to multimedia control process when needs carry out multimedia in running.Multimedia control process receives playing request information by message channel.Owing to send the sign that message all carries the application process that sends this message by message channel between the process, therefore, multimedia control process can know that after receiving playing request information this information is which application process sends.
In multimedia control process, set in advance the priority priority of the application process of multimedia demand (or respectively have) of each application process.Multimedia control process is determined the highest application process of application process medium priority that sends playing request information according to the priority of each application process that sets in advance.
A plurality of multimedia threads are arranged in multimedia control process, and these multimedia threads can carry out multimedia control.Multimedia thread in the multimedia control process corresponds respectively to the application process that respectively has the multimedia demand: such as, be provided with MP3 voice playing thread in the multimedia control process, play application process corresponding to MP3; Be provided with incoming ring tone and play thread, corresponding to the caller identification application process.Relevant multimedia thread then no longer is set in application process.Such as, MP3 plays in the application process MP3 voice playing thread no longer is set, and incoming ring tone no longer is set in the caller identification application process plays thread.
Multimedia control process is then preferentially moved the pairing multimedia thread of this application process after the highest application process of the application process medium priority of determining transmission playing request information.Promptly suspend the pairing multimedia thread of the lower application process of other priority, and the highest pairing multimedia thread of application process of running priority level.By of united and coordinating, the management of multimedia control process to the multimedia request of each application process, and according to the preferential pairing multimedia thread of which application process that moves of the priority decision of each application process, thereby when avoiding each application process to need at the same time to carry out multimedia and produce conflict, improve the multimedia efficient of portable terminal, accelerated the response speed of portable terminal when a plurality of multimedia demand is arranged.That is to say, the multimedia thread that originally is arranged in each application process is placed into multimedia control process, thereby be convenient to unified management, scheduling and operation, thereby avoid each application process to carry out multimedia at the same time and produce conflict, improved the multimedia efficient of portable terminal.
In the process of multimedia control process operation multimedia thread, the application process of this multimedia thread correspondence can also send the multimedia control information to multimedia control process, such as, relevant parameter (sound channel, sample rate, bit rate etc.), indication played file, controls playing state etc. are set.Certainly, also can carry out certain simple processing, be that application process needn't send the multimedia control information to multimedia control process, relevant parameter all is fixedly set in the multimedia thread in advance, and the multimedia thread is promptly out of service after finishing playing according to preset parameter.
Because multimedia comprises that multimedia audio is play, multimedia video is play, therefore, in portable terminal, can audio frequency (multimedia) Play Control process be set in order to coordinate, to manage the voice playing demand of each application process according to actual conditions, video (multimedia) Play Control process perhaps is set in order to coordinate, to manage the video playback demand of each application process, audio frequency, video playback demand that voice playing control process and video playback control process are come management coordination respectively, managed each application process can certainly be set simultaneously.
It is that example is told about concrete scheme that the embodiment of the invention is play with the control multimedia audio, and for the method that the control multimedia video is play, those skilled in the art can adopt the easy to do realization of the principle identical with the embodiment of the invention.
In the portable terminal as shown in Figure 2, comprising: voice playing control process 201 and a plurality of application process with voice playing demand.
Application process with voice playing demand can comprise: application process A202 is that MP3 plays application process; Application process B203 is the caller identification application process; Application process C204 is the quarter-bell application process; Application process D205 is the recreation application process.Certainly, portable terminal can also comprise other the application process with voice playing demand, has not enumerated one by one herein.
Comprise in voice playing control process 201: voice playing management thread 211 and a plurality of voice playing thread that corresponds respectively to the application process that respectively has the voice playing demand: voice playing thread A212 (MP3 voice playing thread) is corresponding to application process A202; Voice playing thread B213 (incoming ring tone broadcast thread) is corresponding to application process B203; Voice playing thread C214 (quarter-bell music thread) is corresponding to application process C204; Voice playing thread D215 (game music broadcast thread) is corresponding to application process D205.
Application process sends the voice playing solicited message to voice playing control process 201 when needs carry out voice playing.Such as, after the MP3 playing request was interrupted arriving and triggered operation application process A202, application process A202 need carry out voice playing, then sends playing request information by message channel to voice playing control process 201.
The voice playing management thread 211 of voice playing control process 201 is according to the application process priority that sets in advance, determine the highest application process of application process medium priority of the playing request information correspondence of reception, and the highest pairing voice playing thread of application process of running priority level, thereby realize voice playing.
The preferred methods that the voice playing thread carries out voice playing can be that a pre-defined multimedia (audio frequency) data write thread.When the voice playing thread need carry out voice playing (such as the information of the multimedia control information that receives) for control beginning play multimedia audio frequency, then create (Create) this voice data and write thread, this voice data writes thread and then is specifically designed to control and writes the multimedia audio data to audio frequency apparatus.Creating independent voice data writes thread and can avoid the busy and problem that causes data to write stopping up and postpone of voice playing thread.
Further, when the voice playing thread determines that the volume of output is 0, then can write thread and not write data, thereby reach quiet effect to audio frequency apparatus by the communication port notification audio data of cross-thread.And owing in audio frequency apparatus writes the process of data, need to take cpu resource, so this method can further be saved the system CPU resource.After playing task is finished, create thread that voice data writes thread and can cancel (Destroy) voice data and write thread.
Carry out receiving call request in the process that MP3 plays with portable terminal below and carry out caller identification, continuing afterwards to play MP3 is example, and the portable terminal that telling about the embodiment of the invention in detail provides carries out the method for multimedia control.Particular flow sheet comprises the steps: as shown in Figure 3
S301: application process A202 receives to have no progeny in the MP3 playing request and brings into operation.
S302: application process A202 sends playing request information to voice playing control process 201.
The music that needs to carry out MP3 in application process A202 running, then application process A202 sends playing request information to voice playing control process 201.
S303: voice playing control process 201 operation voice playing thread A212.
After the voice playing management thread 211 of voice playing control process 201 receives playing request information by message channel, send for application process A202 according to the identity validation of the application process of carrying in the information.Because current voice playing control process 201 only receives a playing request information, therefore the application process A202 that sends this playing request information is the application process of limit priority, and then voice playing control process 201 operation application process A202 corresponding audio are play thread A212.
S304: application process B203 receives to have no progeny in the call request and brings into operation.
S305: application process B203 sends playing request information to voice playing control process 201.
Application process B203 needs to carry out the broadcast of incoming ring tone in running, then send playing request information to voice playing control process 201.
S306: voice playing control process 201 determines to send the highest application process of application process medium priority of playing request information.
At this moment, the voice playing management thread 211 of voice playing control process 201 has received two playing request information.Voice playing management thread 211 is according to the application process priority of setting, and it is right that the application process that sends playing request information is carried out priority ratio, and the high pairing voice playing thread of application process of control priority preferentially moves.
In the voice playing management thread 211 predefined application process priority of voice playing control process 201, such as being application process priority as shown in table 1 below:
Table 1
| Application process | Priority |
| Application process A | 1 |
| Application process B | 4 |
| Application process C | 3 |
| Application process D | 2 |
Because the priority of application process B203 is greater than application process A202, therefore preferential operation application process B203 corresponding audio is play thread.
S307: voice playing control process 201 is suspended voice playing thread A212.
The voice playing management thread 211 of voice playing control process 201 can send suspending message notice application process A202 after suspending voice playing thread A212.
S308: voice playing control process 201 operation voice playing thread B213.
In operation voice playing thread B213 process, application process B203 can also control process 201 to voice playing and send the voice playing control information.
The voice playing management thread 211 of voice playing control process 201 receives the voice playing control information by message channel, and be defined as the message that application process B203 sends according to the application process of carrying in message sign, then this message is passed to voice playing thread B213.
Voice playing thread B213 carries out relative parameters setting or State Control according to the voice playing control information to audio frequency apparatus.
S309: voice playing thread B213 finishes playing task and withdraws from, the playing request information that voice playing control process 201 deletion application process B203 send.
In order to continue to respond follow-up playing request information, the playing request information that the voice playing management thread 211 deletion application process B203 of voice playing control process 201 send.
S310: voice playing control process 201 is determined the highest application process of application process medium priority of remaining playing request information correspondence.
The voice playing management thread 211 of voice playing control process 201 determines to send the highest application process of application process medium priority of these solicited messages for remaining playing request information.Because, the playing request information of having deleted application process B203, therefore, the application process A203 that send playing request information this moment is the highest application process of current priority.
S311: voice playing control process 201 operation voice playing thread A212.
The voice playing management thread 211 control application process A203 corresponding audio of voice playing control process 201 are play thread A212 operation, then continue the MP3 voice playing.
The portable terminal of the embodiment of the invention is owing to adopt multimedia control process to coordinate, manage the multimedia request of each application process, and according to the preferential pairing multimedia thread of which application process that moves of the priority decision of each application process, thereby when avoiding each application process to need at the same time to carry out multimedia and produce conflict, improve the multimedia efficient of portable terminal, accelerated the response speed of portable terminal when a plurality of multimedia demand is arranged.
Though it will be understood by those skilled in the art that in the above-mentioned explanation, for ease of understanding, the step of method has been adopted the succession description, should be pointed out that for the order of above-mentioned steps and do not do strict the restriction.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, this program can be stored in the computer read/write memory medium, as: ROM/RAM, magnetic disc, CD etc.
Will also be appreciated that the apparatus structure shown in accompanying drawing or the embodiment only is schematically, the presentation logic structure.Wherein the module that shows as separating component may or may not be physically to separate, and the parts that show as module may be or may not be physical modules.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of control method for playing multimedia is characterized in that, comprising:
The multimedia control process of portable terminal receives the playing request information that application process sends; And
According to the application process priority that sets in advance, the preferential high pairing multimedia thread of application process of running priority level carries out multimedia.
2, the method for claim 1 is characterized in that, the pairing multimedia thread of application process that described preferential running priority level is high specifically comprises:
Corresponding to the multimedia thread of other application process, operation is corresponding to the multimedia thread of described limit priority application process in the described multimedia control process suspension multimedia control process.
3, method as claimed in claim 2 is characterized in that, in the process of the high pairing multimedia thread of application process of described running priority level, also comprises:
Described multimedia control process receives the multimedia control information of described limit priority application process transmission and passes to the multimedia thread of described limit priority application process correspondence;
The multimedia thread of described limit priority application process correspondence carries out multimedia control according to described multimedia control information.
4, method as claimed in claim 3 is characterized in that, described multimedia thread carries out multimedia control according to described multimedia control information, specifically comprises:
If described multimedia control information is the information of control beginning play multimedia, then described multimedia thread creation multi-medium data writes thread;
Described multi-medium data writes thread and writes multi-medium data to multimedia equipment, and described multimedia equipment carries out multimedia according to the multi-medium data that writes.
5, method as claimed in claim 3 is characterized in that, in described operation multimedia control process, carry out multimedia corresponding to the multimedia thread of described limit priority application process after, also comprise:
After the multimedia thread operation of described limit priority application process correspondence finishes, the pairing playing request information of described multimedia control this application process of process-kill.
6, method as claimed in claim 5 is characterized in that, after the pairing playing request information of described multimedia control this application process of process-kill, also comprises:
Described multimedia control process is determined the remaining the highest application process of the pairing application process medium priority of playing request information, and the new pairing multimedia thread of determining of limit priority application process of preferential operation carries out multimedia.
7, a kind of portable terminal is characterized in that, comprising:
Application process is used for sending playing request information when needs carry out multimedia;
Multimedia control process is used to receive described playing request information; And according to the application process priority that sets in advance, the preferential high pairing multimedia thread of application process of running priority level carries out multimedia.
8, terminal as claimed in claim 7 is characterized in that, described multimedia control process comprises: a plurality of multimedia threads and multimedia management thread;
Described multimedia management thread is used to receive described playing request information, and according to the application process priority that sets in advance, the high pairing multimedia thread of application process of control priority preferentially moves, and carries out multimedia.
9, terminal as claimed in claim 8 is characterized in that,
Described multimedia management thread also is used for deleting the pairing playing request information of this application process after the multimedia thread operation of the high application process correspondence of described priority finishes.
10, terminal as claimed in claim 9 is characterized in that,
Described multimedia management thread also is used for after the high pairing playing request information of application process of deletion priority, determine the remaining the highest application process of the pairing application process medium priority of playing request information, and control the new pairing multimedia thread of determining of limit priority application process and preferentially move, carry out multimedia.
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| CNA2008102118479A CN101355766A (en) | 2008-09-11 | 2008-09-11 | Mobile terminal and control method for playing multimedia thereof |
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| CNA2008102118479A CN101355766A (en) | 2008-09-11 | 2008-09-11 | Mobile terminal and control method for playing multimedia thereof |
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| CN101778158A (en) * | 2009-12-29 | 2010-07-14 | 闻泰集团有限公司 | Method for processing audio conflict of mobile phone |
| CN102546997A (en) * | 2010-12-22 | 2012-07-04 | 北京国微集成技术有限公司 | Management method for application modules and network multi-media device |
| WO2012136017A1 (en) * | 2011-04-07 | 2012-10-11 | 中兴通讯股份有限公司 | Method and device for user terminal to process incoming call |
| CN103095902A (en) * | 2011-11-07 | 2013-05-08 | 联想(北京)有限公司 | Information processing method and equipment |
| CN103383844A (en) * | 2012-05-04 | 2013-11-06 | 盛乐信息技术（上海）有限公司 | Voice synthesis method and system |
| WO2015018277A1 (en) * | 2013-08-08 | 2015-02-12 | Tencent Technology (Shenzhen) Company Limited | Methods and apparatus for implementing sound events |
| CN104731604A (en) * | 2015-04-07 | 2015-06-24 | 锤子软件（北京）有限公司 | Method and system for determining application program playing sound currently |
| CN104994432A (en) * | 2015-06-25 | 2015-10-21 | 海信集团有限公司 | Method for switching audio and video applications and television |
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| CN103095902A (en) * | 2011-11-07 | 2013-05-08 | 联想(北京)有限公司 | Information processing method and equipment |
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| CN103383844A (en) * | 2012-05-04 | 2013-11-06 | 盛乐信息技术（上海）有限公司 | Voice synthesis method and system |
| CN103383844B (en) * | 2012-05-04 | 2019-01-01 | 上海果壳电子有限公司 | Phoneme synthesizing method and system |
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| CN104994432A (en) * | 2015-06-25 | 2015-10-21 | 海信集团有限公司 | Method for switching audio and video applications and television |
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| CN107277132A (en) * | 2017-06-15 | 2017-10-20 | 深圳Tcl新技术有限公司 | DLNA push processing method, multimedia reception end and storage medium |
| CN109003632A (en) * | 2018-07-25 | 2018-12-14 | 苏州浪潮智能软件有限公司 | A kind of multimedia schedule configuration management method of regularization |
| CN109003632B (en) * | 2018-07-25 | 2020-08-18 | 浪潮金融信息技术有限公司 | Regularized multimedia playing schedule configuration management method |
| CN112948003A (en) * | 2019-11-26 | 2021-06-11 | 成都鼎桥通信技术有限公司 | Method and equipment for switching operating systems of dual-android terminal |
| CN112948003B (en) * | 2019-11-26 | 2022-07-29 | 成都鼎桥通信技术有限公司 | Method and equipment for switching operating systems of dual-android terminal |
| CN111338826A (en) * | 2020-02-28 | 2020-06-26 | 北京嘀嘀无限科技发展有限公司 | Electronic equipment and equipment linkage control system, method and device |
| CN111338826B (en) * | 2020-02-28 | 2021-02-02 | 北京嘀嘀无限科技发展有限公司 | Electronic equipment and equipment linkage control system and method |
| CN112433615A (en) * | 2020-12-04 | 2021-03-02 | Oppo广东移动通信有限公司 | Audio playing method and device, head-mounted display equipment and storage medium |
| WO2022116709A1 (en) * | 2020-12-04 | 2022-06-09 | Oppo广东移动通信有限公司 | Audio playback method, apparatus, head-mounted display device, and storage medium |
| CN112433615B (en) * | 2020-12-04 | 2024-11-12 | Oppo广东移动通信有限公司 | Audio playback method, device, head mounted display device and storage medium |
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