CN110310672A - A kind of music player and its control method - Google Patents
A kind of music player and its control method Download PDFInfo
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- CN110310672A CN110310672A CN201810260502.6A CN201810260502A CN110310672A CN 110310672 A CN110310672 A CN 110310672A CN 201810260502 A CN201810260502 A CN 201810260502A CN 110310672 A CN110310672 A CN 110310672A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
Abstract
The embodiment of the present invention provides a kind of music player and its control method, is related to technical field of electronic equipment, for solving the problems, such as that music player MCU after pattern switching cannot continue to parse the corresponding sound source data of current music play mode.The music player includes: primary processor and from processor；Primary processor is used to switch to second mode by first mode in music player, and when first mode is music playing mode, judges whether the data of corresponding first source of sound of first mode are parsed；If it is not, then generating instruction information, and instruction information is sent to from processor；It is used to parse the parsing data of the first source of sound of data acquisition of the first source of sound according to instruction information from processor, and the parsing data of the first source of sound is returned into primary processor；Primary processor is also used to when music player switches to first mode, carries out music according to the parsing data of the first source of sound.The embodiment of the present invention is used for music.
Description
Technical field
The present invention relates to technical field of electronic equipment more particularly to a kind of music player and its control methods.
Background technique
With the continuous development of electronic technology, the application of music player is more and more common in people's lives.People exist
While enjoying electronic technology development bring convenience, increasingly higher demands are proposed to the performance of music player.
Chinese patent CN200993885 discloses a kind of vehicle-carrying music player, which can either broadcast
The music given out light in dish (Compact Disc, CD), but can play universal serial bus (Universal Serial Bus,
USB) the music imported.That is, the vehicle-carrying music player after CD insertion, into CD music playing mode, plays the sound in CD
It is happy, after USB insertion, into USB music playing mode, play the music that USB is imported.This music that can be played in CD is again
The music player that USB importing music can be played can bring greatly convenience to user, however this music player exists
Micro-control unit when carrying out pattern switching, in music player
(Microcontroller Unit, MCU) cannot continue to parse the corresponding sound source data of current music play mode,
When again switching to the audio mode, MCU needs to parse again, thus after pattern switching can delay for some time,
Without music in this delay period, and then cause user experience very poor.Such as: the MCU of this music player is
The data of the music in CD are parsed, user accesses USB at this time, and MCU is switched to USB music playing mode, and MCU parses USB and imports
The data of music still need to wait for MCU and parse CD again after music player is switched back into CD music playing mode again by user
In music data, the waiting time is longer, or even can suspect that player breaks down.
Summary of the invention
The embodiment of the present invention provides a kind of music player and its control method, for solving music player in mode
MCU cannot continue the problem of parsing current music play mode corresponding sound source data after switching.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, providing a kind of music player, comprising: primary processor and from processor；
The primary processor is used to switch to second mode by first mode in the music player, and first mode is
When music playing mode, judge whether the data of corresponding first source of sound of the first mode are parsed；Refer to if it is not, then generating
Show information, and sends the instruction information from processor to described；
It is described to be used to parse the first sound described in the data acquisition of first source of sound according to the instruction information from processor
The parsing data in source, and the parsing data of first source of sound are returned into the primary processor；
The primary processor is also used to when music player switches to the first mode, according to first source of sound
It parses data and carries out music.
Optionally, the first mode is USB music playing mode, and the second mode is CD music playing mode；
Or；
The first mode is CD music playing mode, and the second mode is USB music playing mode；
Or；
The first mode is USB music playing mode, and the second mode is that CD music playing mode and USB music are broadcast
Mode other than mode playback；
Or；
The first mode is CD music playing mode, and the second mode is that CD music playing mode and USB music are broadcast
Mode other than mode playback.
Optionally, the primary processor is also used to when the music player switches to music playing mode, and judgement is
The no parsing data with the correspondence source of sound returned from processor；
If so, the primary processor carries out music according to the parsing data of the correspondence source of sound returned from processor；
If it is not, then the primary processor parses the data acquisition parsing data of the corresponding source of sound of the music playing mode,
And carry out music.
Optionally, the primary processor and it is described from processor be micro-control unit MCU.
Second aspect, provides a kind of control method of music player, the music player include: primary processor and from
Processor, which comprises
Second mode is switched to by first mode in music player, and when first mode is music playing mode, it is described
Primary processor judges whether the data of corresponding first source of sound of the first mode are parsed；
If it is not, then generating instruction information, and the instruction information is sent from processor to described；
It is described that the first source of sound described in the data acquisition of first source of sound is parsed according to the instruction information from processor
Data are parsed, and the parsing data of first source of sound are returned into the primary processor；
When music player switches to the first mode, the primary processor is according to the parsing number of first source of sound
According to progress music.
Optionally, the first mode is general-purpose serial bus USB music playing mode, and the second mode is optical disc CD
Music playing mode；
Or；
The first mode is CD music playing mode, and the second mode is USB music playing mode；
Or；
The first mode is USB music playing mode, and the second mode is that CD music playing mode and USB music are broadcast
Mode other than mode playback；
Or；
The first mode is CD music playing mode, and the second mode is that CD music playing mode and USB music are broadcast
Mode other than mode playback.
Optionally, the method also includes:
When the music player switches to music playing mode, judge whether with pair returned from processor
Answer the parsing data of source of sound；
If so, carrying out music according to the parsing data of the correspondence source of sound returned from processor；
If it is not, then parsing the data acquisition parsing data of the corresponding source of sound of the music playing mode, and carries out music and broadcast
It puts.
Optionally, the primary processor and it is described from processor be micro-control unit MCU.
Music player provided in an embodiment of the present invention, comprising: primary processor and from processor, wherein the main process task
Device can switch to second mode by first mode in music player, and when first mode is music playing mode, break described
Whether the data of corresponding first source of sound of first mode are parsed；If it is not, then and to described sending the instruction from processor
Information；It is described can be in parsing the first source of sound described in the data acquisition of first source of sound according to the instruction information from processor
Parsing data, and the parsing data of first source of sound are returned into the primary processor；The primary processor can also be in sound
When happy player switches to the first mode, music is carried out according to the parsing data of first source of sound；Due to main place
Managing device can be when music player switches to the first mode, according to the parsing of first source of sound returned from processor
Data carry out music, therefore music player, when switching to first mode, primary processor is without carrying out data parsing i.e.
Music can be carried out, avoids playout-delay of the mode music player after pattern switching, therefore the embodiment of the present application can
To improve the experience of user.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of music player provided in an embodiment of the present invention；
Fig. 2 is one of the step journey figure of music provided in an embodiment of the present invention；
Fig. 3 is the two of the step journey figure of music provided in an embodiment of the present invention；
Fig. 4 is the step flow chart of the control method of music player provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiment is some embodiments of the present application, instead of all the embodiments.Based on this Shen
Please in embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall in the protection scope of this application.
Term " first " and " second " in the description and claims of this application etc. are for distinguishing different pairs
As, rather than it is used for the particular order of description object.For example, first antenna and the second antenna etc. are for distinguishing different days
Line, rather than the particular order for describing antenna.
In the embodiment of the present application, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Application embodiment in be described as " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.In addition, unless otherwise indicated, " multiples' " contains in the description of the embodiment of the present application
Justice refers to two or more.
For existing music player after carrying out pattern switching, the MCU in player needs to parse data again, spends the time
It is longer, thus after pattern switching can delay for some time, broadcasted in this delay period without music, and then cause to use
Family experience is very poor.
In order to solve this problem, the embodiment of the present application provides a kind of music player and its control method, the music
Device includes: primary processor and from processor, wherein the primary processor can switch to by first mode in music player
Two modes, and first mode be music playing mode when, whether the data of corresponding first source of sound of the first mode that breaks parse
It completes；If it is not, then and to described sending the instruction information from processor；It is described to believe from processor according to the instruction
Breath parses the parsing data of the first source of sound described in the data acquisition of first source of sound, and by the parsing data of first source of sound
Return to the primary processor；The primary processor can also be when music player switches to the first mode, according to described
The parsing data of first source of sound carry out music；Since primary processor can switch to the first mode in music player
When, music is carried out according to the parsing data of first source of sound returned from processor, therefore music player is switching
When to first mode, primary processor can carry out music without carrying out data parsing, avoid mode music player and exist
Playout-delay after pattern switching, therefore the experience of user can be improved in the embodiment of the present application.
The embodiment of the present application is described in detail below, shown referring to Fig.1, music provided by the embodiments of the present application
Device 100 includes: primary processor 11 and from processor 12.
Optionally, shared RAM communication mechanism, Mailbox hardware communications mechanism, direct memory access can be passed through
(direct memory access, DMA) data carry the mechanism such as communication mechanism, serial ports master slave mode communication mechanism and realize main place
Manage device 11 and from the communication between processor 12.
Optionally, the primary processor 11 in the embodiment of the present application and all can be from processor 12
(Microcontroller Unit, MCU).
The primary processor 11 is used to switch to second mode by first mode in music player, and first mode is sound
When happy play mode, judge whether the data of corresponding first source of sound of the first mode are parsed.If the first mode
The data of corresponding first source of sound are not parsed, then generate instruction information, and send the instruction from processor 12 to described
Information.
Optionally, the first mode is USB music playing mode, and the second mode is CD music playing mode.
Optionally, the first mode is CD music playing mode, and the second mode is USB music playing mode.
Optionally, the first mode be USB music playing mode, the second mode be CD music playing mode and
Mode other than USB music playing mode.
Optionally, the first mode is CD music playing mode, and the second mode is CD music playing mode and USB
Mode other than music playing mode.
Specifically, the mode other than CD music playing mode and USB music playing mode is specifically as follows standby mode, closes
Machine mode, voice calling mode etc..
Illustratively, when first mode is USB music playing mode, and second mode is CD music playing mode, first
The data of corresponding first source of sound of mode are usb data, therefore music player switches to CD music by USB music playing mode
Play mode, then judge whether usb data is parsed, if usb data is not parsed, generates instruction information, and to institute
It states from processor 12 and sends the instruction information.
It is described to be used to be parsed first described in the data acquisition of first source of sound according to the instruction information from processor 12
The parsing data of source of sound, and the parsing data of first source of sound are returned into the primary processor 11.
That is, parsing the data of first source of sound under control of the processor 12 in the instruction information that primary processor 11 is sent
The parsing data of first source of sound are obtained, and send primary processor 11 for parsing result.
As above, when first mode is USB music playing mode, and second mode is CD music playing mode, from processor
12 parse usb data under the control for the instruction information that primary processor 11 is sent obtains USB parsing data, and USB is parsed number
According to the return primary processor 11.
The primary processor 11 is also used to when music player switches to the first mode, according to first source of sound
Parsing data carry out music.
Wherein, due to before music player switches to first mode, from processor 12 by the parsing of the first source of sound
Data have been sent to primary processor 11, therefore primary processor 11 is without parsing the first source of sound when switching to the first mode
Data, but music directly is carried out according to the parsing data of the first source of sound sent from processor 12, therefore avoid mould
Playout-delay of the formula music player after pattern switching.
Optionally, the primary processor 11 is also used to when the music player switches to music playing mode, judgement
Whether there are the parsing data of the correspondence source of sound returned from processor；
It is broadcast if so, the primary processor 11 carries out music according to the parsing data of the correspondence source of sound returned from processor 12
It puts；
If it is not, then the primary processor 12 parses the data acquisition parsing number of the corresponding source of sound of the music playing mode
According to, and carry out music.
Music player provided by the embodiments of the present application includes: primary processor and from processor, wherein the primary processor
Second mode can be switched to by first mode in music player, and when first mode is music playing mode, break described the
Whether the data of corresponding first source of sound of one mode are parsed；If it is not, then and to described sending the instruction letter from processor
Breath；It is described can be in parsing the first source of sound described in the data acquisition of first source of sound according to the instruction information from processor
Data are parsed, and the parsing data of first source of sound are returned into the primary processor；The primary processor can also be in music
When player switches to the first mode, music is carried out according to the parsing data of first source of sound；Due to main process task
Device can be when music player switches to the first mode, according to the parsing number of first source of sound returned from processor
According to progress music, therefore music player, when switching to first mode, primary processor is without carrying out data parsing
Music is carried out, avoids playout-delay of the mode music player after pattern switching, therefore the embodiment of the present application can be with
Improve the experience of user.
Further, referring to shown in Fig. 2, below with music player application provided by the above embodiment in user first inserts
Enter CD, is inserted into USB again in the parsing of CD data, is switched in the scene of CD play mode to above-described embodiment again in USB broadcasting
The music player of offer is illustrated.
S101, user are inserted into CD.
When user is inserted into CD, music player switches to CD music playing mode, thus primary processor 11 execute it is as follows
Step S102.
S102, primary processor 11 parse CD data.
S103, in above-mentioned steps S102 implementation procedure, user be inserted into USB.
When user is inserted into USB, music player switches to USB music playing mode, therefore primary processor 11 executes such as
Lower step S104, S105 and S106.
S104, primary processor 11 parse usb data.
S105, primary processor 11 judge whether CD data are parsed.
After primary processor 11 is parsed usb data in S106, step S104, USB music is played.
In above-mentioned steps S105, if CD data are not parsed, S107 is thened follow the steps.
S107, primary processor 11 send instruction information to from processor 12.
It is corresponding, the instruction information that primary processor 11 is sent is received from processor 12.
S108, CD data are parsed from processor 12.
S109, CD parsing data are returned to from processor 12 to primary processor 11.
That is, processor 12, which sends CD to primary processor 11, parses data, primary processor receives the CD sent from processor 12
Parse data.
S110, in step S106 implementation procedure, be switched to CD music playing mode.
Specifically, user can be by way of manual switching by the pattern switching of player to CD music playing mode.
S111, primary processor 11 carry out music according to the CD parsing data returned from processor 12.
S112, primary processor 11 judge whether usb data is parsed.
In above-mentioned steps S112, due to being to be switched to CD music playing mode during playing USB music, because
This usb data has been parsed, therefore primary processor does not regenerate instruction information, is terminated.
Due to CD parsing data being sent to from processor before music player switches to CD music playing mode
Primary processor, therefore primary processor is not necessarily to parse CD data when switching to the first mode, but directly according to from
It manages the CD parsing data that device is sent and carries out music, therefore avoid broadcasting of the mode music player after pattern switching and prolong
Late.
Further, referring to shown in Fig. 3, below with music player application provided by the above embodiment in for inserting
Enter USB, in usb data resolving, there is call access, automatically switches to USB music mould again after
Music player provided by the above embodiment is illustrated in the scene of formula.
S201, user are inserted into USB.
When user is inserted into USB, music player switches to USB music playing mode, therefore primary processor execution is following
Step S202.
S202, primary processor 11 parse usb data.
S203, in above-mentioned steps S202 implementation procedure, have call access.
When there is call access, music player device is in unmusical play mode, and primary processor stops parsing USB
Data.
S204, primary processor 11 judge whether usb data is parsed.
Since call is accessed during primary processor 11 parses usb data, usb data has not been parsed
At, therefore primary processor 11 executes following steps S205.
S205, primary processor 11 send instruction information to from processor 12.
It is corresponding, the instruction information that primary processor 11 is sent is received from processor 12.
S206, usb data is parsed from processor 12.
S207, CD parsing data are returned to from processor 12 to primary processor 11.
That is, processor 12, which sends CD to primary processor 11, parses data, primary processor receives the CD sent from processor 12
Parse data.
S208, end of conversation.
After, automatic or manual enters USB music player mode to music player again.
S209, primary processor 11 carry out music according to the USB parsing data returned from processor.
Due to after passing through, music player reproduction is switched to before USB music playing mode, from processor incited somebody to action
USB parsing data have been sent to primary processor, therefore primary processor is without parsing USB when switching to USB music playing mode
Data, but music directly is carried out according to the USB parsing data sent from processor, therefore avoid mode music
Playout-delay of the device after pattern switching.
The application another embodiment provides a kind of music player control method, and the music player includes: main process task
Device and from processor, referring to shown in Fig. 4, this method comprises:
S401, second mode is switched to by first mode in music player, and when first mode is music playing mode,
The primary processor judges whether the data of corresponding first source of sound of the first mode are parsed.
In above-mentioned steps S401, if the data of corresponding first source of sound of first mode are not parsed, execute following
Step S402.
S402, instruction information is generated, and sends the instruction information from processor to described.
S403, the parsing number that the first source of sound described in the data acquisition of first source of sound is parsed according to the instruction information
According to, and the parsing data of first source of sound are returned into the primary processor.
S404, when music player switches to the first mode, the primary processor is according to first source of sound
It parses data and carries out music.
Since primary processor can be returned according to described from processor when music player switches to the first mode
The parsing data of the first source of sound carry out music, therefore music player is when switching to first mode, primary processor without
Need to carry out data parsing can carry out music, avoid playout-delay of the mode music player after pattern switching, because
The experience of user can be improved in this embodiment of the present application.
Optionally, the first mode is general-purpose serial bus USB music playing mode, and the second mode is optical disc CD
Music playing mode；
Or；
The first mode is CD music playing mode, and the second mode is USB music playing mode；
Or；
The first mode is USB music playing mode, and the second mode is that CD music playing mode and USB music are broadcast
Mode other than mode playback；
Or；
The first mode is CD music playing mode, and the second mode is that CD music playing mode and USB music are broadcast
Mode other than mode playback.
Optionally, the method also includes:
When the music player switches to music playing mode, judge whether with pair returned from processor
Answer the parsing data of source of sound；
If so, carrying out music according to the parsing data of the correspondence source of sound returned from processor；
If it is not, then parsing the data acquisition parsing data of the corresponding source of sound of the music playing mode, and carries out music and broadcast
It puts.
Optionally, the primary processor and it is described from processor be MCU.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, the technical solution of the application substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the application.
Embodiments herein is described above in conjunction with attached drawing, but the application be not limited to it is above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the enlightenment of the application, when not departing from the application objective and scope of the claimed protection, can also it make very much
Form belongs within the protection of the application.
Claims (8)
1. a kind of music player characterized by comprising primary processor and from processor；
The primary processor is used to switch to second mode by first mode in the music player, and first mode is music
When play mode, judge whether the data of corresponding first source of sound of the first mode are parsed；If it is not, then generating instruction letter
Breath, and the instruction information is sent from processor to described；
It is described to be used to parse the first source of sound described in the data acquisition of first source of sound according to the instruction information from processor
Data are parsed, and the parsing data of first source of sound are returned into the primary processor；
The primary processor is also used to when music player switches to the first mode, according to the parsing of first source of sound
Data carry out music.
2. music player according to claim 1, which is characterized in that
The first mode is general-purpose serial bus USB music playing mode, and the second mode is optical disc CD music mould
Formula；
Or；
The first mode is CD music playing mode, and the second mode is USB music playing mode；
Or；
The first mode is USB music playing mode, and the second mode is CD music playing mode and USB music mould
Mode other than formula；
Or；
The first mode is CD music playing mode, and the second mode is CD music playing mode and USB music mould
Mode other than formula.
3. music player according to claim 1, which is characterized in that
The primary processor is also used to when the music player switches to music playing mode, judges whether to have described
The parsing data of the correspondence source of sound returned from processor；
If so, the primary processor carries out music according to the parsing data of the correspondence source of sound returned from processor；
If it is not, then the primary processor parses the data acquisition parsing data of the corresponding source of sound of the music playing mode, go forward side by side
Row music.
4. music player according to claim 1-3, which is characterized in that the primary processor and described from
Managing device is micro-control unit MCU.
5. a kind of control method of music player, which is characterized in that the music player includes: primary processor and from processing
Device, which comprises
Second mode is switched to by first mode in music player, and when first mode is music playing mode, the main place
Reason device judges whether the data of corresponding first source of sound of the first mode are parsed；
If it is not, then generating instruction information, and the instruction information is sent from processor to described；
The parsing for parsing the first source of sound described in the data acquisition of first source of sound according to the instruction information from processor
Data, and the parsing data of first source of sound are returned into the primary processor；
When music player switches to the first mode, the primary processor according to the parsing data of first source of sound into
Row music.
6. according to the method described in claim 5, it is characterized in that,
The first mode is general-purpose serial bus USB music playing mode, and the second mode is optical disc CD music mould
Formula；
Or；
The first mode is CD music playing mode, and the second mode is USB music playing mode；
Or；
The first mode is USB music playing mode, and the second mode is CD music playing mode and USB music mould
Mode other than formula；
Or；
The first mode is CD music playing mode, and the second mode is CD music playing mode and USB music mould
Mode other than formula.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
When the music player switches to music playing mode, judge whether with the diaphone returned from processor
The parsing data in source；
If so, carrying out music according to the parsing data of the correspondence source of sound returned from processor；
If it is not, then parsing the data acquisition parsing data of the corresponding source of sound of the music playing mode, and carry out music.
8. according to the described in any item methods of claim 5-7, which is characterized in that the primary processor and described equal from processor
For micro-control unit MCU.
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