CN109558072A - The memory expanding method, system, audio that audio plays chip play chip and storage device - Google Patents
The memory expanding method, system, audio that audio plays chip play chip and storage device Download PDFInfo
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- CN109558072A CN109558072A CN201811179250.0A CN201811179250A CN109558072A CN 109558072 A CN109558072 A CN 109558072A CN 201811179250 A CN201811179250 A CN 201811179250A CN 109558072 A CN109558072 A CN 109558072A
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- Prior art keywords
- memory
- audio
- song
- chip
- plays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0665—Virtualisation aspects at area level, e.g. provisioning of virtual or logical volumes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
Abstract
The memory expanding method, system, audio for playing chip the present invention provides a kind of audio play chip and storage device, which comprises virtual memory step: the residual memory space in external memory is mapped as the virtual memory that audio plays chip；File write step: song sort file is written in the residual memory space in the external memory.Using the above method, it can solve the problems, such as that the memory space of audio broadcasting chip is limited.
Description
Technical field
The invention belongs to the memory expanding sides that audio play-back technology field more particularly to a kind of audio play chip
Method, system, audio play chip and storage device.
Background technique
Song origin in audio player generally has 2 approach, and a kind is stored in internal memory space, and a kind is
It is stored in exterior storage medium (such as SD card or USB flash disk, hard disk etc.).Song is stored in external memory, such as is stored in SD
Card or USB flash disk on equipment in, audio play chip internal storage space very little, do some operations for needing largely to cache or
It is relatively limited when information stores, such as do some file orderings, if SD card or USB flash disk song are very more, the needs that sort it is interior
RAM needs in portion are very big, when especially needing to play according to filename sequence, certain space needed to carry out storage file name
And serial number, by an equipment N song, 1 song stores name M bytes to calculate, and requires the sky of about N*M byte here
Between, correspondence song is for thousands of, and memory space plays chip (external memorizer relative to the audio of audio player
Calculate) it is very big.
Summary of the invention
The memory expanding method, system, audio for playing chip the embodiment of the invention provides a kind of audio play core
Piece and storage device, it is intended to solve the audio in the audio player of the prior art and play the technology that the memory space of chip is limited
Problem.
In embodiments of the present invention, a kind of memory expanding method of audio broadcasting chip is provided comprising:
Virtual memory step: the residual memory space in external memory is mapped as audio and plays the virtual interior of chip
It deposits；
File write step: song sort file is written in the residual memory space in the external memory.
In embodiments of the present invention, before the virtual memory step, further include
Initialization step: initializing external memory and obtains the residual memory space address of external memory.
In embodiments of the present invention, in the initialization step, the null data area being directed toward using cluster chain is as the void
The memory space of quasi- memory.
In embodiments of the present invention, the method also includes:
Song sequence step: being ranked up song according to song files name and generates song sort file.
In embodiments of the present invention, the method also includes
Playback of songs step: it sorts from the song read in the external memory in the song sort file to song
Carry out played in order.
In embodiments of the present invention, a kind of memory expanding system of audio broadcasting chip is additionally provided comprising:
Virtual memory unit plays the virtual of chip for the residual memory space in external memory to be mapped as audio
Memory；
File write unit, the residual memory space for being written to song sort file in the external memory
In.
In embodiments of the present invention, the system also includes
Initialization unit, for the remaining storage of external memory to be initialized and obtained and recorded to external memory
Space address.
In embodiments of the present invention, memory space of the null data area being directed toward using cluster chain as the virtual memory.
In embodiments of the present invention, the system also includes:
Song sequencing unit, for being ranked up according to song files name to song and generating song sort file.
In embodiments of the present invention, the system also includes:
Playback of songs unit, for from read in the external memory in the song sort file song sequence pair
Song carries out played in order.
In embodiments of the present invention, a kind of audio broadcasting chip is additionally provided, which is characterized in that the audio plays chip
Including at least a processor, memory and interface, at least a processor, memory and the interface are connected by bus；
The memory stores computer executed instructions；
At least one described processor executes the computer executed instructions of the memory storage, so that the audio plays
Chip perform claim requires the memory expanding method of the described in any item audios broadcasting chips of 1-5.
In embodiments of the present invention, a kind of storage device is additionally provided, instruction, the finger are stored on the storage device
Enable the memory expanding method for realizing that perform claim requires the described in any item audios of 1-5 to play chip when being executed by processor
The step of.
Compared with prior art, it is played using the memory expanding method, system, audio that above-mentioned audio plays chip
Vacant memory space in external memory is mapped as the virtual memory of audio player to be used to deposit by chip and storage device
It stores up song sort file and solves the internal storage space of audio player to extend the memory space of audio player
Limited problem；Further, the null data area being directed toward to the cluster chain in external memory is written and read as buffer zone,
It ensure that the hot-swappable safety of external memory.
Detailed description of the invention
Fig. 1 is the implementation flow chart for the memory expanding method that the audio that the embodiment of the present invention one provides plays chip；
Fig. 2 is the structural schematic diagram of the memory space of external memory；
Fig. 3 is the structural schematic diagram for the memory expanding system that audio provided by Embodiment 2 of the present invention plays chip；
Fig. 4 is the structural schematic diagram that the audio that the embodiment of the present invention three provides plays chip.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Realization of the invention is described in detail below in conjunction with specific embodiment:
Embodiment one
Fig. 1 shows the embodiment of the present invention one and provides the memory expanding method that audio plays chip comprising step
S1-S5 is illustrated separately below.
Step S1, initialization step: initializing external memory and obtains the remaining storage sky of external memory
Between address.
It should be noted that played after chip connect with External memory equipment in the audio, at the beginning of when booting, needs progress
Beginningization, during initialization, the audio play the residual memory space address that chip obtains external memory.
Step S2, virtual memory step: the residual memory space in external memory is mapped as audio and plays chip
Virtual memory.
It should be noted that being generally made of its file storage system file system for external memory SD card or USB flash disk
System, file system generally by master boot record (MBR), boot sector and data district's groups at.The file system of each boot sector
Can not be identical, it can be FAT32, be also possible to exFAT, be also possible to other formats such as NTFS, for movable storage device,
Generally based on FAT32 and exFAT.In file system, compare crucially cluster chain (FAT), cluster chain is file system data area
Position, as shown in Fig. 2, 0000 is exactly not used data field, numerical value is used data field.For a file
For system, whole equipment file system entanglement will lead to if the directory area in MBR and boot sector is lost, in order to guarantee
File system is not influenced, the null data area that the embodiment of the present invention only uses cluster chain direction is empty as the storage of the virtual memory
Between.
Step S3, song sequence step: being ranked up song according to song files name and generates song sort file.
It should be noted that needing first to be ranked up song, song can be passed through in audio player plays song
Name is ranked up, and can also be ranked up by other means, and corresponding song sort file, audio are generated after the completion of sequence
Player is according to the played in order song of the song sort file.
Step S4, it is empty that song sort file file write step: is written to the remaining storage in the external memory
Between in.
It should be noted that being written into the audio after generating song sort file and playing the virtual interior right of chip
In residual memory space in corresponding external memory, the storage inside sky of chip is played without being stored in the audio
Between in.
Step S5, playback of songs step: from the song row read in the external memory in the song sort file
Ordered pair song carries out played in order.
It should be noted that when the audio plays chip broadcasting song, from from the external memory described in reading
Song sequence in song sort file, and according to the played in order song of the song sort file.
Embodiment two
Fig. 3 shows the memory expanding system that audio provided by Embodiment 2 of the present invention plays chip comprising:
Initialization unit 201, for being initialized and being obtained and recorded the residue of external memory to external memory
Memory space address；
Virtual memory unit 202 plays chip for the residual memory space in external memory to be mapped as audio
Virtual memory；
Song sequencing unit 203, for being ranked up according to song files name to song and generating song sort file；
File write unit 204, it is empty for song sort file to be written to the remaining storage in the external memory
Between in.
Playback of songs unit 205, for being arranged from the song read in the external memory in the song sort file
Ordered pair song carries out played in order.
It should be noted that above-mentioned it should be noted that above-mentioned audio plays in the memory expanding system of chip, respectively
The contents such as information exchange, implementation procedure between module/unit play the memory expanding of chip with the audio of embodiment one
System is based on same design, and realization process and bring technical effect are the same as example 1, and particular content can be found in implementation
Related narration in example one, details are not described herein again.
Embodiment three
As shown in figure 4, providing a kind of audio broadcasting chip comprising an at least processor in the embodiment of the present invention three
310, memory 320 and interface 330, at least a processor 310, memory 320 and the interface 330 are connected by bus；
The memory 320 stores computer executed instructions；
At least one described processor 310 executes the computer executed instructions that the memory 320 stores, so that the sound
Frequency plays chip and executes the memory expanding method that audio described in embodiment one plays chip.
Further, the embodiment of the invention also provides a kind of storage device, instruction, institute are stored on the storage device
It states and realizes that audio described in embodiment one plays the memory expanding method of chip when instruction is executed by processor.
In conclusion playing chip using the memory expanding method, system, audio that above-mentioned audio plays chip and depositing
Storage device, the vacant memory space in external memory is mapped as the virtual memory of audio player, and song is arranged for storage
Preface part, to extend the memory space of audio player, the internal storage space for solving audio player limited is asked
Topic；Further, the null data area being directed toward to the cluster chain in external memory is written and read as buffer zone, ensure that outer
The hot-swappable safety of portion's memory.
It is worth noting that, those of ordinary skill in the art will appreciate that: the step of realizing above method embodiment or portion
This can be accomplished by hardware associated with program instructions step by step, and program above-mentioned can store to be situated between in computer-readable storage
In matter, which when being executed, executes step including the steps of the foregoing method embodiments, and storage medium above-mentioned include: ROM,
The various media that can store program code such as RAM, magnetic or disk.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (12)
1. a kind of memory expanding method that audio plays chip characterized by comprising
Virtual memory step: the residual memory space in external memory is mapped as the virtual memory that audio plays chip；
File write step: song sort file is written in the residual memory space in the external memory.
2. the memory expanding method that audio as described in claim 1 plays chip, which is characterized in that the virtual memory
Before step, further includes:
Initialization step: initializing external memory and obtains the residual memory space address of external memory.
3. the memory expanding method that audio as claimed in claim 2 plays chip, which is characterized in that the initialization step
In rapid, memory space of the null data area being directed toward using cluster chain as the virtual memory.
4. the memory expanding method that audio as described in claim 1 plays chip, which is characterized in that the method is also wrapped
It includes:
Song sequence step: being ranked up song according to song files name and generates song sort file.
5. the memory expanding method that audio as claimed in claim 4 plays chip, which is characterized in that the method is also wrapped
It includes:
Playback of songs step: song is carried out from the song sequence read in the external memory in the song sort file
Played in order.
6. the memory expanding system that a kind of audio plays chip characterized by comprising
Virtual memory unit plays the virtual interior of chip for the residual memory space in external memory to be mapped as audio
It deposits；
File write unit, for song sort file to be written in the residual memory space in the external memory.
7. the memory expanding system that audio as claimed in claim 6 plays chip, which is characterized in that the system is also wrapped
It includes
Initialization unit, for being initialized and being obtained and recorded the residual memory space of external memory to external memory
Address.
8. the memory expanding system that audio as claimed in claim 7 plays chip, which is characterized in that be directed toward using cluster chain
Memory space of the null data area as the virtual memory.
9. the memory expanding system that audio as claimed in claim 6 plays chip, which is characterized in that the system is also wrapped
It includes:
Song sequencing unit, for being ranked up according to song files name to song and generating song sort file.
10. the memory expanding system that the audio as claimed in claim 9 plays chip, which is characterized in that described
System further include:
Playback of songs unit, for sorting from the song read in the external memory in the song sort file to song
Carry out played in order.
11. a kind of audio plays chip, which is characterized in that the audio play chip include an at least processor, memory and
Interface, at least a processor, memory and the interface are connected by bus；
The memory stores computer executed instructions；
At least one described processor executes the computer executed instructions of the memory storage, so that the audio plays chip
Perform claim requires the memory expanding method of the described in any item audios broadcasting chips of 1-5.
12. a kind of storage device, which is characterized in that be stored with instruction on the storage device, described instruction is executed by processor
The step of Shi Shixian perform claim requires the described in any item audios of 1-5 to play the memory expanding method of chip.
Priority Applications (1)
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|---|---|---|---|
| CN201811179250.0A CN109558072B (en) | 2018-10-10 | 2018-10-10 | Storage space expansion method and system of audio playing chip, audio playing chip and storage device |
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|---|---|---|---|
| CN201811179250.0A CN109558072B (en) | 2018-10-10 | 2018-10-10 | Storage space expansion method and system of audio playing chip, audio playing chip and storage device |
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| CN109558072B CN109558072B (en) | 2022-03-25 |
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Effective date of registration: 20220506 Address after: Rooms 1306-1309, 13 / F, 19 science Avenue West, Hong Kong Science Park, Shatin, New Territories, China Patentee after: BUILDWIN INTERNATIONAL (ZHUHAI) LTD. Address before: 1302, yuemeite building, 1 Gaoxin South 7th Road, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Jianrong semiconductor (Shenzhen) Co.,Ltd. Patentee before: BUILDWIN INTERNATIONAL (ZHUHAI) Ltd. |