CN111143580B - Multimedia data storage method and device, storage medium and electronic equipment - Google Patents
Multimedia data storage method and device, storage medium and electronic equipment Download PDFInfo
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- 238000013500 data storage Methods 0.000 title claims abstract description 79
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/41—Indexing; Data structures therefor; Storage structures
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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
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/064—Management of blocks
Abstract
The application discloses a multimedia data storage method, a device, a storage medium and electronic equipment, wherein the method is applied to the electronic equipment and comprises the following steps: when receiving the multimedia data storage instruction, acquiring multimedia data carried in the multimedia data storage instruction; dividing multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2; determining n storage units in a memory of the electronic device; n data blocks are stored in n memory cells respectively by pulse signals. According to the embodiment of the application, the multimedia data divided into n data blocks are respectively stored in n storage units through the pulse signals, and as the pulse signals for storing one multimedia data are integral, the situation that part of the multimedia data is deleted by mistake is impossible, and the situation that part of the multimedia data is deleted by mistake is avoided.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method and apparatus for storing multimedia data, a storage medium, and an electronic device.
Background
With the development of technology, various multimedia data information in the forms of characters, images, sounds, animations and the like appear in life, so that the life of users is greatly enriched. Such multimedia data is typically stored in electronic devices such as mobile phones, tablets, PC computers, etc., using memory. The memory comprises a plurality of memory units, and the memory units are the minimum memory units of the memory. In the prior art, a storage unit correspondingly stores a multimedia data, such as an image, a file, etc. In the case where one storage unit cannot complete the storage of multimedia data, a plurality of storage units are used for storage. For example, the storage space of one storage unit is used up, but the multimedia data is only partially stored, so that another storage unit is used again for storage, and if the storage space of the other storage unit is used up, the storage of the multimedia data is not completed yet, the other storage unit is used again until the multimedia data is fully stored.
When a plurality of storage units store one multimedia data, there is a phenomenon of erroneous deletion, such as deleting the multimedia data stored in one of the storage units, so that the multimedia data may have a problem of partial loss. For example, when the multimedia data is a picture, the picture is viewed, and a part of the picture is not displayed.
Disclosure of Invention
The embodiment of the application provides a multimedia data storage method, a device, a storage medium and electronic equipment, which can avoid partial misdeletion of multimedia data.
The embodiment of the application provides a multimedia data storage method, which comprises the following steps:
when receiving a multimedia data storage instruction, acquiring multimedia data carried in the multimedia data storage instruction;
dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2;
determining n storage units in the electronic device memory;
and respectively storing the n data blocks into the n storage units through pulse signals.
The embodiment of the application also provides a multimedia data storage device, which comprises:
the data acquisition unit is used for acquiring the multimedia data carried in the multimedia data storage instruction when the multimedia data storage instruction is received;
A blocking unit, configured to divide the multimedia data into n data blocks, where n is a natural number greater than or equal to 2;
a determining unit, configured to determine n storage units in the electronic device memory;
and the storage unit is used for respectively storing the n data blocks into the n storage units through pulse signals.
Embodiments of the present application also provide a computer readable storage medium having stored therein a plurality of instructions adapted to be loaded by a processor to perform any of the above-described multimedia data storage methods.
The embodiment of the application also provides electronic equipment, which comprises a processor and a memory, wherein the processor is electrically connected with the memory, the memory is used for storing instructions and data, and the processor is used for steps in the multimedia data storage method.
According to the multimedia data storage method, the device, the storage medium and the electronic equipment, multimedia data to be stored are divided into n data blocks, n storage units in a memory of the electronic equipment are determined, and the n data blocks are respectively stored in the n storage units through pulse signals. According to the embodiment of the application, the multimedia data divided into n data blocks are respectively stored in n storage units through the pulse signals, and as the pulse signals for storing one multimedia data are integral, the situation that part of the multimedia data is deleted by mistake is impossible, and the situation that part of the multimedia data is deleted by mistake is avoided.
Drawings
Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a flowchart of a multimedia data storage method according to an embodiment of the present application.
Fig. 2 is an exemplary diagram of triggering a multimedia data storage instruction according to an embodiment of the present application.
Fig. 3 is another flow chart of a method for storing multimedia data according to an embodiment of the present application.
Fig. 4 is another flow chart of a multimedia data storage method according to an embodiment of the present application.
Fig. 5 is another flow chart of a multimedia data storage method according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a multimedia data storage device according to an embodiment of the present application.
Fig. 7 is another schematic structural diagram of a multimedia data storage device according to an embodiment of the present application.
Fig. 8 is another schematic structural diagram of a multimedia data storage device according to an embodiment of the present application.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 10 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The embodiment of the application provides a multimedia data storage method, a device, a storage medium and electronic equipment. Any of the multimedia data storage devices provided in the embodiments of the present application may be integrated in an electronic device, where the electronic device may include a mobile terminal, a PC end, a wearable device, a robot, and so on. The electronic device includes a memory therein, which is operable to store multimedia data.
Referring to fig. 1, fig. 1 is a flowchart of a multimedia data storage method provided in an embodiment of the present application, which is applied to an electronic device, and the multimedia data storage method includes steps 101 to 104, and specifically includes the following steps:
101, when receiving the multimedia data storage instruction, acquiring the multimedia data carried in the multimedia data storage instruction.
The multimedia data includes information expressed by characters, images, videos, sounds, moving pictures, and the like. Wherein the multimedia data storage instructions may be triggered in a variety of ways. For example, by clicking/touching a storage control, where the storage control may exist in the form of a button (e.g., a save button, a download button, a collection button, etc.), may exist in the form of an icon, may exist in the form of a label, may exist in the form of text, or may exist in a combination of various forms as exemplified above, such as a combination of text and button, a combination of an icon and text and button, etc. And triggering a multimedia data storage instruction when the user clicking/touching the storage control is detected. The method can also be triggered by voice, for example, the voice information of the user is received, the voice information is analyzed, and if the voice information comprises the content for triggering and storing the multimedia data, the multimedia data storage instruction is triggered. The method can also be triggered by a command, for example, a multimedia data storage command is directly executed, for example, a save xxx.png, etc., and if the multimedia data storage command is detected to be executed, the multimedia data storage command is triggered. Triggering in other related events can be executed, for example, when a user shoots, a picture storage instruction is triggered after shooting is completed; and when receiving pictures or videos and the like sent by other electronic equipment, triggering a multimedia data storage instruction. After triggering the multimedia data storage instruction, the electronic device receives the multimedia data storage instruction.
The multimedia data storage instruction carries multimedia data, and when the multimedia data storage instruction is received, the multimedia data carried in the multimedia data storage instruction is obtained. For example, when the multimedia data storage command is triggered by a command, xxx.png in the multimedia data storage command save xxx.png is acquired.
As shown in fig. 2, a picture is opened in the electronic device, the picture is clicked/touched, and a plurality of option controls appear: send to friends, save pictures, edit pictures, cancel, etc. Clicking/touching the save control to save the picture triggers the multimedia data storage instruction. After triggering the multimedia data storage instruction, the electronic equipment receives the multimedia data storage instruction.
102, dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2.
The division of multimedia data into n data blocks may be done in a number of ways.
The multimedia data can be divided according to the size of the multimedia data, and if the multimedia data is large, the number of divided data blocks is large; the number of divided data blocks is small if the multimedia data is small. In this way, when the multimedia data is large, a plurality of storage units are used for storage, and when the multimedia data is small, a smaller number of storage units are used for storage. Specifically, the size of the acquired multimedia data can be divided into a plurality of different intervals, the number of data blocks correspondingly divided among the different intervals is different, so that the size of the multimedia data is acquired, the interval in which the acquired multimedia data is located is determined, and the number of data blocks required to be divided for the acquired multimedia data is determined according to the corresponding relation between the interval and the number of data blocks. In this division scheme, the number of data blocks divided by different multimedia data to be stored is different. For example, a picture is divided into 2 data blocks, a video is divided into 5 data blocks, and so on.
The division may also be made in terms of the storage space of the memory. For example, the total memory space of the memory is obtained; the larger the total storage space is, the larger the number of divided data blocks is, and the larger the total storage space is, the smaller the number of divided data blocks is. Specifically, a corresponding relation between the total storage space of the memory and the number of divided data blocks is determined, and the number of data blocks to be divided is determined according to the obtained total storage space of the memory and the corresponding relation. Or, obtaining the residual storage space of the memory; the larger the remaining storage space, the larger the number of divided data blocks, and the larger the remaining storage space, the smaller the number of divided data blocks. Specifically, a correspondence between the remaining storage space of the memory and the number of divided data blocks is determined, and the number of data blocks to be divided is determined according to the obtained remaining storage space of the memory and the correspondence. In this division, the number of data blocks into which the multimedia data is divided is related to the storage space size of the memory.
There is also a division manner in which the multimedia data is divided into n data blocks regardless of the size of the multimedia data, i.e., each multimedia data is divided into n data blocks.
The number of divided data blocks corresponding to the data type of each different multimedia data may also be preset. Wherein the data types include pictures, files, strings, sounds, videos, etc. The number of divided data blocks corresponding to different data types may be the same or different. After the multimedia data is acquired, the data type of the multimedia data is determined, and the number of data blocks to be divided is determined according to the data type. The determining the data type of the multimedia data may be performed according to the file name of the multimedia data, for example, if the suffix in the file name is jpg, & png, etc., then the data type of the multimedia data is determined to be a picture.
The partitioning may also be done in other ways. It should be noted that the above exemplary partitioning method may be combined in various ways to determine the number of data blocks for partitioning multimedia data.
After determining the number of data blocks corresponding to the division of the multimedia data, various manners may be adopted for dividing each data block. For example, multimedia data is uniformly divided into n data blocks, and the sizes of the n data blocks are consistent; the division may also be performed according to a predetermined rule, for example, the size of the data block is divided in order from small to large, in order from large to small, one after the other, in a predetermined ratio, or the like.
Whatever the way of dividing, it is only necessary to divide into a plurality of data blocks at last.
103, n memory locations in the electronic device memory are determined.
Wherein the number of data blocks of the multimedia data partition is consistent with the determined number of storage units.
In particular, n storage locations in the electronic device memory are determined, which may also be determined in accordance with a variety of manners.
If the data type of the multimedia data can be obtained, n storage units in the memory of the electronic device are determined according to the data type of the multimedia data. For example, if the data type is video, n storage units with larger residual storage space (for example, determined according to the residual storage space being larger than a preset threshold value, or determined according to the order of the residual storage space from large to small, etc.) are determined from storage units of stored data in the electronic device memory, the n storage units can store data blocks of the video, and if the number of the storage units of the stored data is less than n, the residual number of storage units is determined from storage units of the non-stored data; or n storage units are determined from storage units in the electronic device memory that do not store data. It will be appreciated that the amount of data stored in the video is relatively large, requiring relatively large storage space to be stored. If the data type is a picture, n storage units with smaller residual storage space (for example, the storage units are determined according to the residual storage space in a certain storage space interval) are determined from the storage units of the stored data of the electronic device, and if the number of the storage units of the stored data is less than n, the residual number of the storage units is determined from the storage units of the non-stored data. It will be appreciated that the picture may be stored using less memory space.
If the size of the divided data block can be obtained, n storage units in the memory of the electronic device are determined according to the size of the divided data block. For example, a storage unit having a remaining storage space larger than or equal to the size of the divided data block is determined from storage units in which data has been stored in the electronic device memory, and if the determined number of storage units is less than n, a remaining number of storage units is determined from storage units in which data has not been stored. In this way, the determined storage unit can finish the storage of the multimedia data.
Wherein determining a remaining number of memory cells from among the memory cells from which data is not stored comprises: the remaining number of the storage units not storing any data detected first is determined from the storage units not storing data, or the remaining number of the storage units not storing any data closest to the storage unit storing data is determined from the storage units not storing data, etc. Thus, the utilization rate of the memory is improved, and the stored data is conveniently read from the determined storage unit.
N memory cells may also be determined in other ways. Whatever the way used, it is ensured that the number of data blocks of the multimedia data partition is consistent with the number of determined memory locations.
104, storing the n data blocks into n storage units respectively through pulse signals.
The pulse signal is a discrete signal, and the information of the data block is stored through the pulse signal. Wherein a signal that is discontinuous in time but still continuous in amplitude is referred to as a discrete signal. Whereas an analog signal refers to a signal in which an information parameter appears to be continuous within a given range, or a signal in which a characteristic quantity representing information may appear to be an arbitrary value at an arbitrary instant in time over a continuous period of time. It should be noted that the information of the data block is stored by means of a pulse signal (a discrete signal) because the analog signal cannot be used for storing, the electronic device recognizes the digital signal 0, 1, and the information actually stored in the memory is in different combinations of 0, 1, so that the analog signal cannot be used for storing in the electronic device, and the discrete signal can be stored in the electronic device. In this application, the pulse signal is used to store multimedia data, and thus may also be referred to as a pulse storage signal.
Specifically, step 104 includes: generating a pulse storage signal, the pulse storage signal comprising n storage pulses; loading n data blocks onto n storage pulses to obtain n loading storage pulses; n load store pulses are stored into n memory cells, respectively.
Wherein generating a pulsed storage signal comprises: acquiring the storage space size of a storage unit of a memory and the size of a data block; determining a storage pulse amplitude and a storage pulse width according to the size of the storage space and the size of the data block; a pulse store signal is generated based on the store pulse amplitude and the store pulse width.
The sizes of the memories are different, and the storage spaces of the corresponding storage units may be different, so that the storage space sizes of the storage units of the memories and the sizes of the data blocks are obtained, and the storage pulse amplitude and the storage pulse width are determined according to the storage space sizes and the sizes of the data blocks. Wherein, the larger the stored pulse amplitude, the more energy can be carried, and the more data can be stored; the larger the storage pulse width, the more data can be stored. If the storage pulse amplitude is too large or the storage pulse width is too wide, the amount of stored data is larger than the amount of data in the storage space of the storage unit, and storage cannot be realized. The storage pulse width and the storage pulse amplitude are required to store the data amount corresponding to the data block.
Wherein, the storage pulse amplitude is less than or equal to 1.0V and less than or equal to 1.8V, and the storage pulse width t is less than 600us. A pulse store signal is generated based on the store pulse amplitude and the store pulse width. The pulse storage signal may be represented by f1 (n) = (f 1 (±2), f1 (±3), f1 (±n)), where n is a natural number of +.gtoreq.2, n= ±2, ±3, and the n storage pulses of the pulse storage signal are output as a whole.
N data blocks are loaded onto n storage pulses to obtain n loading storage pulses, namely n data blocks corresponding to multimedia data are continuously and uninterruptedly loaded onto n storage pulses of a pulse storage signal f1 (n), so that n loading storage pulses are obtained. N load store pulses are stored into n memory cells, respectively, and it is understood that n data blocks are stored by n store pulses, and load store pulses in which n data blocks are stored into n memory cells, respectively. Thus, stored in the memory cell is a load store pulse in which information for the corresponding data block is loaded.
After n data blocks of the multimedia data are stored in n storage units through pulse signals, the corresponding relation between the multimedia data and the storage units is stored, so that the multimedia data can be further processed, such as checking, editing and the like, conveniently.
The multimedia data is loaded through the pulse signals, and the pulse signals loaded with the multimedia data are stored instead of directly storing the digital information of the multimedia data in the storage unit, so that the original storage mode of the data is changed. By storing the multimedia data by the pulse signal, more data can be stored, the storage space for storing the multimedia data is reduced, and the storable data of the memory of the electronic device is increased. In addition, the multimedia data divided into n data blocks are respectively stored in n storage units through pulse signals, and the pulse signals for storing one multimedia data are integrally output. The pulse signal is integrally opened when the device is opened, and the pulse signal is integrally transmitted when the device is transmitted, so that the situation that part of multimedia data is deleted by mistake is unlikely to exist, and the part of multimedia data is prevented from being deleted by mistake; meanwhile, the situation that part of multimedia data is lost is not possible during transmission, and part of multimedia data is prevented from being lost during transmission.
In some cases, as shown in fig. 3, the multimedia data storage method further includes the following steps 105 to 106:
and 105, when receiving the multimedia data opening instruction, acquiring target multimedia data carried in the multimedia data opening instruction.
The multimedia data open command may also be triggered in a variety of ways, see in particular the section described in the multimedia data store command above. When receiving the multimedia data opening instruction, acquiring target multimedia data carried in the multimedia data opening instruction.
And 106, acquiring a pulse storage signal corresponding to the target multimedia data from a storage unit of the memory of the electronic equipment so as to open the target multimedia data.
Specifically, according to the correspondence between the stored multimedia data and the storage unit, determining a target storage unit corresponding to the target multimedia data. And acquiring a pulse storage signal from a target storage unit of the electronic device memory, and opening the pulse storage signal to open the target multimedia data. Note that n storage pulses in the pulse storage signal are not increased nor decreased, and n storage pulses are output as a whole.
Fig. 4 is another flow chart of a multimedia data storage method provided in an embodiment of the present application, which is applied to an electronic device, where the multimedia data storage method includes steps 201 to 211, and specifically may be as follows:
And 201, when receiving the multimedia data storage instruction, acquiring the multimedia data carried in the multimedia data storage instruction.
202, it is detected whether the storage space of the storage unit is fully used in the n storage units.
For a memory, the storage space of the storage unit of the memory is fixed, and whether the storage space of the storage unit of the memory is fully used is detected, so that the determination can be made according to the current data amount stored in the storage unit of the memory. If the stored data quantity reaches the storage quantity corresponding to the storage space of the storage unit, determining that the storage space with the storage unit is completely used. It should be noted that the storage space of the storage unit has been fully used means that the storage unit cannot store more data.
If no storage space of the n storage units has been fully used, executing step 203 to divide the multimedia data into n data blocks; if the storage space of the storage units in the n storage units is already fully used, step 206 is performed.
203, dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2.
204, determining n memory locations in the electronic device memory. It should be noted that the n storage units are identical to the n storage units determined at the last time of storage. This step can also be understood as retrieving the determined n memory cells.
205, n data blocks are stored in n memory cells respectively by pulse signals.
This step corresponds to step 104, and please refer to the corresponding description in step 104.
206, obtaining the number k of storage units with the storage space being completely used, wherein k < n.
Memory cells whose memory space has been fully used, and the number k of memory cells whose memory space has been fully used, 1= < k < n, are acquired.
207, the multimedia data is divided into n data blocks.
208, k memory locations in the electronic device memory are determined.
It will be appreciated that the storage space of k storage units is already fully used, and k storage units are determined from the electronic device memory, so that it is ensured that the storage units storing the multimedia data are always n. The manner in which k memory locations are determined from the electronic device memory is identical to the manner in which n memory locations are determined above, except for the number.
It should be noted that in the embodiment of the present application, all multimedia data is divided into n data blocks, regardless of the size of the multimedia data, the data type of the multimedia data, the total storage space size of the electronic device memory, and the remaining storage space size of the electronic device memory. As for the n data blocks, the size of each data block may be determined in accordance with the manner described above.
209, storing n data blocks into n memory cells by pulse signals, respectively.
This step corresponds to step 104, and please refer to the corresponding description in step 104.
After n data blocks of the multimedia data are stored in n storage units through pulse signals, the corresponding relation between the multimedia data and the storage units is stored, so that the multimedia data can be further processed, such as checking, editing and the like, conveniently.
Next, when receiving the multimedia data storage instruction, step 201 is then performed.
In this embodiment, all multimedia data to be stored are divided into n data blocks, and stored into n storage units by pulse signals, regardless of the size of the multimedia data and the data type of the multimedia data. And under the condition that the storage space with the storage units is completely used, acquiring the number k of the storage units with the storage space being completely used, and determining k storage units in the memory of the electronic equipment so as to enable the storage units for storing the multimedia data to be uniformly kept at n.
In some cases, the multimedia data storage method further comprises the steps of:
210, when receiving the multimedia data opening instruction, acquiring the target multimedia data carried in the multimedia data opening instruction.
The multimedia data open command may also be triggered in a variety of ways, see in particular the section described in the multimedia data store command above. When receiving the multimedia data opening instruction, acquiring target multimedia data carried in the multimedia data opening instruction.
And 211, acquiring a pulse storage signal corresponding to the target multimedia data from a storage unit of the memory of the electronic equipment so as to open the target multimedia data.
Specifically, according to the correspondence between the stored multimedia data and the storage unit, determining a target storage unit corresponding to the target multimedia data. And acquiring a pulse storage signal from a target storage unit of the electronic device memory, and opening the pulse storage signal to open the target multimedia data. Note that n storage pulses in the pulse storage signal are not increased nor decreased, and n storage pulses are output as a whole.
Fig. 5 is another flow chart of a multimedia data storage method provided in an embodiment of the present application, which is applied to an electronic device, where the multimedia data storage method includes steps 301 to 311, and specifically may be as follows:
301, when receiving a multimedia data storage instruction, acquiring multimedia data carried in the multimedia data storage instruction.
302, detecting whether the remaining storage space of the storage units in the n storage units is smaller than a preset storage space.
Wherein, the data types of the multimedia data are different, and the corresponding preset storage spaces are different. The corresponding relation of the preset storage spaces corresponding to different data types can be preset. For example, the data type of the multimedia data is a preset storage space of the video, which is larger than the preset storage space of the picture. Specifically, acquiring a data type of multimedia data; determining the preset storage space corresponding to the multimedia data according to the corresponding relation of the preset storage spaces corresponding to different data types; and detecting whether the residual storage space of the storage units in the n storage units is smaller than the preset storage space corresponding to the multimedia data.
The same preset storage space can be uniformly set no matter what the data type of the multimedia data is and the size of the multimedia data is, namely, only one preset storage space is provided.
The remaining storage space of the storage unit is smaller than the preset storage space, which means that the storage unit can store less data.
If the remaining storage space of the n storage units is smaller than the preset storage space, executing step 303 to divide the multimedia data into n data blocks; if the remaining storage space of the storage units in the n storage units is smaller than the preset storage space, step 306 is performed.
303, dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2.
304, n memory locations in the electronic device memory are determined. It should be noted that the n storage units are identical to the n storage units determined at the last time of storage. This step can also be understood as retrieving the determined n memory cells.
305, n data blocks are respectively stored in n storage units through pulse signals.
306, the number k of storage units with the remaining storage space smaller than the preset storage space is obtained, wherein k < n.
And acquiring the storage units with the residual storage space smaller than the preset storage space, and acquiring the number k of the storage units with the residual storage space smaller than the preset storage space, wherein 1= < k < n.
307, the multimedia data is divided into n+k data blocks.
Specifically, when the multimedia data is divided into n+k data blocks, where the size of k data blocks may be determined according to the size of the remaining storage space in the storage unit, the size of the remaining n data blocks may be determined in the manner of step 102. In this way, on one hand, the storage space of each storage unit can be fully utilized, and especially the residual storage space of the storage unit can be fully utilized; on the other hand, n+k data blocks are stored by using n+k storage units, so that the multimedia data can be ensured to be successfully stored.
308, k memory locations in the electronic device memory are determined.
It can be understood that, the remaining storage space of k storage units is smaller than the preset storage space, and after the storage is performed for this time, the remaining storage space of k storage units can be used up, and then when the storage is performed for this time, k storage units in the electronic device memory are determined again, so as to ensure that n storage units can be used for storing the multimedia data next time.
309, n+k data blocks are stored in n+k memory cells by pulse signals, respectively.
In this step, the storing of the n+k data blocks into the n+k memory cells by the pulse signal is consistent with the storing of the n data blocks into the n memory cells by the pulse signal in the above, and please refer to the description in step 104. The difference is that: the number of storage pulses in the pulse storage signal is n+k, and the pulse storage signal can be represented by f2 (n+k) = (f 2 (+/-2), f2 (+/-3), and f2 (+/-) (n+k)), wherein, the natural number of i n i ++2, n= ±2, ±3,/-i..
After n+k data blocks of the multimedia data are stored in n+k storage units through pulse signals, the corresponding relation between the multimedia data and the storage units is stored, so that the multimedia data can be further processed, such as checking, editing and the like, conveniently.
Next when the multimedia data storage instruction is received, step 301 is then performed.
In some cases, the multimedia data storage method further comprises the steps of:
and 310, when receiving the multimedia data opening instruction, acquiring target multimedia data carried in the multimedia data opening instruction.
The multimedia data open command may also be triggered in a variety of ways, see in particular the section described in the multimedia data store command above. When receiving the multimedia data opening instruction, acquiring target multimedia data carried in the multimedia data opening instruction.
And 311, acquiring a pulse storage signal corresponding to the target multimedia data from a storage unit of the memory of the electronic device so as to open the target multimedia data.
Specifically, according to the correspondence between the stored multimedia data and the storage unit, determining a target storage unit corresponding to the target multimedia data. And acquiring a pulse storage signal from a target storage unit of the electronic device memory, and opening the pulse storage signal to open the target multimedia data. It should be noted that, n storage pulses are included in the pulse storage signal, so that n storage pulses are not increased or reduced, and n storage pulses are output as a whole; if n+k storage pulses exist in the pulse storage signal, the n+k storage pulses are not increased or reduced, and the n+k storage pulses are output as a whole.
According to the method described in the above embodiments, the present embodiment will be further described from the perspective of a multimedia data storage device, where the multimedia data storage device may be implemented as a separate entity, or may be integrated in an electronic device, where the electronic device may include a mobile terminal, a PC terminal, a wearable device, a robot, or the like. The electronic device includes a memory therein, which is operable to store multimedia data.
Referring to fig. 6, fig. 6 specifically illustrates a multimedia data storage device provided in an embodiment of the present application, where the multimedia data storage device may include: a data acquisition unit 401, a blocking unit 402, a determination unit 403, and a storage unit 404. Wherein:
the data obtaining unit 401 is configured to obtain, when receiving the multimedia data storage instruction, multimedia data carried in the multimedia data storage instruction.
A blocking unit 402, configured to divide the multimedia data into n data blocks, where n is a natural number greater than or equal to 2.
A determining unit 403, configured to determine n storage units in the electronic device memory.
And a storage unit 404, configured to store the n data blocks into the n storage units respectively through pulse signals.
Wherein, the storage unit 404 is specifically configured to generate a pulse storage signal, where the pulse storage signal includes n storage pulses; loading n data blocks onto n storage pulses to obtain n loading storage pulses; n load store pulses are stored into n memory cells, respectively.
Wherein generating a pulsed storage signal comprises: acquiring the storage space size of a storage unit of a memory and the size of a data block; determining a storage pulse amplitude and a storage pulse width according to the size of the storage space and the size of the data block; a pulse store signal is generated based on the store pulse amplitude and the store pulse width.
Further, as shown in fig. 7, the multimedia data storage device further includes: an acquisition unit 405 and a data opening unit 406 are opened. Wherein,
and the opening obtaining unit 405 is configured to obtain, when receiving the multimedia data opening instruction, the target multimedia data carried in the multimedia data opening instruction.
And a data opening unit 406, configured to obtain the pulse storage signal corresponding to the target multimedia data from the storage unit, so as to open the target multimedia data.
Fig. 8 is a schematic diagram of a multimedia data storage device according to an embodiment of the present application, where the multimedia data storage device may include: a data acquisition unit 401, a blocking unit 402, a determination unit 403, a storage unit 404, an open acquisition unit 405, a data open unit 406, a detection unit 407, and a number acquisition unit 408. The data acquisition unit 401, the partitioning unit 402, the determining unit 403, the storage unit 404, the opening acquisition unit 405, and the data opening unit 406 are specifically referred to the above description. The difference between this embodiment and fig. 7 will be described below:
The detecting unit 407 is configured to detect whether all storage spaces of the storage units exist in the n storage units after receiving the multimedia data opening instruction.
If there are all storage units in the n storage units, the number acquisition unit 408 is triggered to acquire the number k of storage units with all storage units, where k < n. And if the storage space in which the storage units do not exist in the n storage units is completely used, triggering a blocking unit for dividing the multimedia data into n data blocks.
The determining unit 403 is further configured to determine k storage units in the electronic device memory.
In some cases, the detecting unit 407 is further configured to detect, after receiving the multimedia data open instruction, whether a remaining storage space of the n storage units is smaller than a preset storage space.
If the remaining storage space of the storage units in the n storage units is smaller than the preset storage space, the number acquisition unit 408 is triggered to acquire the number k of storage units with the remaining storage space smaller than the preset storage space, where k < n. And if the remaining storage space of the storage units which are not existed in the n storage units is smaller than the preset storage space, triggering a blocking unit for dividing the multimedia data into n+k data blocks.
The determining unit 403 is further configured to determine k storage units in the electronic device memory.
The storage unit 404 is further configured to store n+k data blocks into n+k storage units respectively through pulse signals.
In the implementation, each module and/or unit may be implemented as an independent entity, or may be combined arbitrarily and implemented as the same entity or a plurality of entities, where the implementation of each module and/or unit may refer to the foregoing method embodiment, and the specific beneficial effects that may be achieved may refer to the beneficial effects in the foregoing method embodiment, which are not described herein again.
In addition, the embodiment of the application also provides electronic equipment, which can be a mobile terminal, a PC (personal computer) terminal, a wearable device, a robot and the like. The electronic device includes a memory therein, which is operable to store multimedia data. As shown in fig. 9, the electronic device 500 includes a processor 501, a memory 502. The processor 501 is electrically connected to the memory 502.
The processor 501 is a control center of the electronic device 500, connects various parts of the entire electronic device using various interfaces and lines, and performs various functions of the electronic device and processes data by running or loading application programs stored in the memory 502, and calling data stored in the memory 502, thereby performing overall monitoring of the electronic device.
In this embodiment, the processor 501 in the electronic device 500 loads the instructions corresponding to the processes of one or more application programs into the memory 502 according to the following steps, and the processor 501 executes the application programs stored in the memory 502, so as to implement various functions:
when receiving a multimedia data storage instruction, acquiring multimedia data carried in the multimedia data storage instruction;
dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2;
determining n storage units in the electronic device memory;
and respectively storing the n data blocks into the n storage units through pulse signals.
The electronic device may implement the steps in any embodiment of the method for storing multimedia data provided in the embodiments of the present application, so that the beneficial effects that any one of the methods for storing multimedia data provided in the embodiments of the present invention can be implemented, which are described in detail in the previous embodiments and are not described herein.
Fig. 10 shows a specific block diagram of an electronic device according to an embodiment of the present invention, which may be used to implement the method for storing multimedia data provided in the above embodiment. The electronic device 600 may be a mobile terminal, a PC-side, a wearable device, a robot, etc. The electronic device includes a memory therein, which is operable to store multimedia data.
The RF circuit 610 is configured to receive and transmit electromagnetic waves, and to perform mutual conversion between the electromagnetic waves and the electrical signals, thereby communicating with a communication network or other devices. RF circuitry 610 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and the like. The RF circuitry 610 may communicate with various networks such as the internet, intranets, wireless networks, or other devices via wireless networks. The wireless network may include a cellular telephone network, a wireless local area network, or a metropolitan area network. The wireless network may use various communication standards, protocols, and technologies including, but not limited to, global system for mobile communications (Global System for Mobile Communication, GSM), enhanced mobile communications technology (Enhanced Data GSM Environment, EDGE), wideband code division multiple access technology (Wideband Code Division Multiple Access, WCDMA), code division multiple access technology (Code Division Access, CDMA), time division multiple access technology (Time Division Multiple Access, TDMA), wireless fidelity technology (Wireless Fidelity, wi-Fi) (e.g., american society of electrical and electronic engineers standard IEEE802.11a, IEEE 802.11.11 b, IEEE802.11g, and/or IEEE802.11 n), internet telephony (Voice over Internet Protocol, voIP), worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, wi-Max), other protocols for mail, instant messaging, and short messaging, and any other suitable communication protocols, even those not currently developed.
The memory 620 may be used to store software programs and modules, such as corresponding program instructions/modules in the embodiments described above, and the processor 680 may execute various functional applications and data processing by executing the software programs and modules stored in the memory 620. Memory 620 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, memory 620 may further include memory remotely located relative to processor 680, which may be connected to electronic device 600 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 630 may be used to receive input numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 630 may include a touch-sensitive surface 631 and other input devices 632. The touch-sensitive surface 631, also referred to as a touch display screen (touch screen) or a touch pad, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch-sensitive surface 631 or thereabout using any suitable object or accessory such as a finger, stylus, etc.), and actuate the corresponding connection means according to a predetermined program. Alternatively, the touch sensitive surface 631 may comprise two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 680 and can receive commands from the processor 680 and execute them. In addition, the touch sensitive surface 631 may be implemented in various types of resistive, capacitive, infrared, surface acoustic wave, and the like. In addition to the touch-sensitive surface 631, the input unit 630 may also comprise other input devices 632. In particular, other input devices 632 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc.
The display unit 640 may be used to display information entered by a user or provided to a user as well as various graphical user interfaces of the electronic device 600, which may be composed of graphics, text, icons, video, and any combination thereof. The display unit 640 may include a display panel 641, and optionally, the display panel 641 may be configured in the form of an LCD (Liquid Crystal Display ), an OLED (Organic Light-Emitting Diode), or the like. Further, the touch sensitive surface 631 may overlay the display panel 641, and upon detection of a touch operation thereon or thereabout by the touch sensitive surface 631, the touch sensitive surface is communicated to the processor 680 to determine the type of touch event, and the processor 680 then provides a corresponding visual output on the display panel 641 based on the type of touch event. Although in the figures, the touch-sensitive surface 631 and the display panel 641 are implemented as two separate components for input and output functions, it is understood that the touch-sensitive surface 631 is integrated with the display panel 641 to implement the input and output functions.
The electronic device 600 may also include at least one sensor 650, a motion sensor, and may also include, for example, a light sensor, among other sensors. In particular, the light sensor may include an ambient light sensor and a proximity sensor. As one of the motion sensors, the gravity sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when the motion sensor is stationary, and the motion sensor can be used for recognizing the application of the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; other sensors such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured with the electronic device 600 are not described in detail herein.
Audio circuitry 660, speakers 661, and microphone 662 may provide an audio interface between a user and the electronic device 600. The audio circuit 660 may transmit the received electrical signal converted from audio data to the speaker 661, and the electrical signal is converted into a sound signal by the speaker 661 to be output; on the other hand, microphone 662 converts the collected sound signals into electrical signals, which are received by audio circuit 660 and converted into audio data, which are processed by audio data output processor 680 for transmission to, for example, another terminal via RF circuit 610, or which are output to memory 620 for further processing. Audio circuitry 660 may also include an ear bud jack to provide communication of the peripheral headphones with electronic device 600.
The electronic device 600 may facilitate user reception of requests, transmission of information, etc. via the transmission module 670 (e.g., wi-Fi module), which provides wireless broadband internet access to the user. Although the transmission module 670 is illustrated, it is understood that it is not an essential component of the electronic device 600 and can be omitted entirely as needed within the scope of not changing the essence of the invention.
Processor 680 is a control center of electronic device 600, and uses various interfaces and lines to connect the various parts of the overall handset, and performs various functions of electronic device 600 and processes data by running or executing software programs and/or modules stored in memory 620, and invoking data stored in memory 620, thereby performing overall monitoring of the electronic device. Optionally, processor 680 may include one or more processing cores; in some embodiments, processor 680 may integrate an application processor that primarily processes operating systems, user interfaces, applications, etc., with a modem processor that primarily processes wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 680.
The electronic device 600 also includes a power supply 690 (e.g., a battery) that provides power to the various components, and in some embodiments, may be logically connected to the processor 680 through a power management system, thereby performing functions such as managing charging, discharging, and power consumption by the power management system. The power supply 690 may also include one or more of any of a direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
Although not shown, the electronic device 600 further includes a camera (e.g., front camera, rear camera), a bluetooth module, etc., which are not described herein. In particular, in this embodiment, the display unit of the electronic device is a touch screen display, the electronic device further includes a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:
when receiving a multimedia data storage instruction, acquiring multimedia data carried in the multimedia data storage instruction;
Dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2;
determining n storage units in the electronic device memory;
and respectively storing the n data blocks into the n storage units through pulse signals.
In the implementation, each module may be implemented as an independent entity, or may be combined arbitrarily, and implemented as the same entity or several entities, and the implementation of each module may be referred to the foregoing method embodiment, which is not described herein again.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the various methods of the above embodiments may be performed by instructions, or by instructions controlling associated hardware, which may be stored in a computer-readable storage medium and loaded and executed by a processor. To this end, an embodiment of the present invention provides a storage medium having stored therein a plurality of instructions capable of being loaded by a processor to perform the steps of any one of the embodiments of the method for storing multimedia data provided by the embodiment of the present invention.
Wherein the storage medium may include: read Only Memory (ROM), random access Memory (RAM, random Access Memory), magnetic or optical disk, and the like.
The steps in any embodiment of the method for storing multimedia data provided by the embodiment of the present invention can be executed by the instructions stored in the storage medium, so that the beneficial effects that can be achieved by any embodiment of the method for storing multimedia data provided by the embodiment of the present invention can be achieved, and detailed descriptions of the foregoing embodiments are omitted herein.
The foregoing has described in detail a method, apparatus, storage medium and electronic device for storing multimedia data provided by the embodiments of the present application, and specific examples have been applied to illustrate the principles and embodiments of the present application, where the foregoing description of the embodiments is only for aiding in understanding the method and core idea of the present application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (8)
1. A multimedia data storage method applied to an electronic device, comprising:
when receiving a multimedia data storage instruction, acquiring multimedia data carried in the multimedia data storage instruction;
dividing the multimedia data into n data blocks, wherein n is a natural number greater than or equal to 2;
Determining n storage units in the electronic device memory;
respectively storing the n data blocks into the n storage units through pulse signals;
the storing the n data blocks into the n storage units through pulse signals respectively includes:
generating a pulse storage signal, wherein the pulse storage signal comprises n storage pulses, the storage pulse amplitude of the pulse storage signal is 1.0V (n) is less than or equal to 1.8V, the storage pulse width t is less than 600us, the pulse storage signal is represented by f1 (n) = (f 1 (+ -2), f1 (+ -3), and the number of the pulses is equal to or greater than a natural number of the pulses, n= ±2, ±3, and the n storage pulses of the pulse storage signal are output in a whole, and the storage pulse amplitude and the storage pulse width are determined according to the storage space size of a storage unit of a memory and the size of a data block;
loading the n data blocks onto the n storage pulses to obtain n loading storage pulses;
storing the n load store pulses into the n storage units, respectively;
wherein, each memory cell stores a corresponding load store pulse, and each load store pulse is loaded with information of a corresponding data block.
2. The multimedia data storage method of claim 1, the generating a pulse storage signal comprising:
acquiring the storage space size of a storage unit of the memory and the size of the data block;
determining a storage pulse amplitude and a storage pulse width according to the size of the storage space and the size of the data block;
and generating a pulse storage signal according to the storage pulse amplitude and the storage pulse width.
3. The method for storing multimedia data according to claim 1, further comprising, after receiving the multimedia data storing instruction:
detecting whether the storage space of the storage unit exists in the n storage units or not is completely used;
if yes, the number k of the storage units with the storage space being used completely is obtained, wherein k is smaller than n;
the determining n storage units in the electronic device memory includes: k memory locations in the electronic device memory are determined.
4. The method for storing multimedia data according to claim 1, further comprising, after receiving the multimedia data storing instruction:
detecting whether the residual storage space of the storage units in the n storage units is smaller than a preset storage space;
If yes, the number k of the storage units with the residual storage space smaller than the preset storage space is obtained, wherein k is smaller than n;
dividing the multimedia data into n data blocks, comprising: dividing the multimedia data into n+k data blocks;
determining n storage units in the electronic device memory, comprising: determining k storage units in the electronic device memory;
storing the n data blocks into the n storage units respectively through pulse signals, wherein the method comprises the following steps: and respectively storing the n+k data blocks into the n+k storage units through pulse signals.
5. The method for storing multimedia data according to any one of claims 1 to 4, further comprising:
when a multimedia data opening instruction is received, acquiring target multimedia data carried in the multimedia data opening instruction;
and acquiring a pulse storage signal corresponding to the target multimedia data from the storage unit so as to open the target multimedia data.
6. A multimedia data storage device for use in an electronic device, comprising:
the data acquisition unit is used for acquiring the multimedia data carried in the multimedia data storage instruction when the multimedia data storage instruction is received;
A blocking unit, configured to divide the multimedia data into n data blocks, where n is a natural number greater than or equal to 2;
a determining unit, configured to determine n storage units in the electronic device memory;
a storage unit, configured to store the n data blocks into the n storage units through pulse signals, respectively;
the storage unit is specifically configured to:
generating a pulse storage signal, wherein the pulse storage signal comprises n storage pulses, the storage pulse amplitude of the pulse storage signal is 1.0V (n) is less than or equal to 1.8V, the storage pulse width t is less than 600us, the pulse storage signal is represented by f1 (n) = (f 1 (+ -2), f1 (+ -3), and the number of the pulses is equal to or greater than a natural number of the pulses, n= ±2, ±3, and the n storage pulses of the pulse storage signal are output in a whole, and the storage pulse amplitude and the storage pulse width are determined according to the storage space size of a storage unit of a memory and the size of a data block;
loading the n data blocks onto the n storage pulses to obtain n loading storage pulses;
storing the n load store pulses into the n storage units, respectively;
wherein, each memory cell stores a corresponding load store pulse, and each load store pulse is loaded with information of a corresponding data block.
7. A computer readable storage medium having stored therein a plurality of instructions adapted to be loaded by a processor to perform the multimedia data storage method of any one of claims 1 to 5.
8. An electronic device comprising a processor and a memory, the processor being electrically connected to the memory, the memory being for storing instructions and data, the processor being for performing the steps of the method for storing multimedia data as claimed in any one of claims 1 to 5.
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