CN107613337A - Distribute method, mobile terminal and the device of video buffer memory headroom size - Google Patents
Distribute method, mobile terminal and the device of video buffer memory headroom size Download PDFInfo
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- CN107613337A CN107613337A CN201710855960.XA CN201710855960A CN107613337A CN 107613337 A CN107613337 A CN 107613337A CN 201710855960 A CN201710855960 A CN 201710855960A CN 107613337 A CN107613337 A CN 107613337A
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- buffer memory
- video buffer
- memory headroom
- video
- size
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Abstract
This application discloses a kind of method, mobile terminal and device for distributing video buffer memory headroom size, this method includes：The service condition of the system memory space of monitor terminal；According to the service condition of the system memory space, the size of dynamically distributes video buffer memory headroom.By the above-mentioned means, the application is capable of the size of dynamically distributes video buffer memory headroom.
Description
Technical field
The application is related to video applications field, more particularly to a kind of side for distributing video buffer memory headroom size
Method, mobile terminal and the device with store function.
Background technology
As mobile terminal is by more and more extensive application, user watches video using electronic equipment and has become custom,
Video display process is：Video data after coding is packaged into the packet for meeting realtime video transmission agreement by server, and
The video player of mobile terminal is sent to by network, video player presses certain speed receiving data bag, and by certain
Speed playback data, so as to playing video file.
In actual applications, network condition is unstable, easily causes the packet that server is sent to video player to be deposited
It is asynchronous in delay variation, the data in turn resulting in video player.In order to realize that audio video synchronization plays, at present using caching skill
Art, caching is set to be used for the packet that storage server is sent in video player.
But present inventor has found in long-term R＆D process, video file downloads buffering in the prior art
Memory headroom and the size of video file play buffering memory headroom application are fixed, it is impossible to are changed, if size was set
Greatly, system resource is easily wasted, influences system fluency, if size sets the stream too small, easily influence Online Video plays
Smooth property.
The content of the invention
The application is mainly solving the technical problems that provide a kind of method for distributing video buffer memory headroom size, movement
Terminal and the device with store function, it is capable of the size of dynamically distributes video buffer memory headroom.
In order to solve the above technical problems, the technical scheme that the application uses is：There is provided in a kind of distribution video buffer
The method for depositing space size, methods described include：The service condition of the system memory space of monitor terminal；According in the system
Deposit the service condition in space, the size of dynamically distributes video buffer memory headroom.
Wherein, the service condition according to the system memory space, dynamically distributes video buffer memory headroom it is big
It is small, including：If monitoring system available memory space is more than the first predetermined threshold value, increase the video buffer memory headroom
Size, if monitoring the system available memory space is less than the first predetermined threshold value, reduce the video buffer memory headroom
Size.
Wherein, first predetermined threshold value is the predetermined threshold value of the size of the system available memory space or is described
System available memory space and the predetermined threshold value of the ratio of the total memory headroom of system.
Wherein, the service condition according to the system memory space, dynamically distributes video buffer memory headroom it is big
It is small, including：When Video Applications just start, according to the service condition of presently described system memory space, determine in video buffer
Deposit the size in space.
Wherein, the service condition according to the system memory space, dynamically distributes video buffer memory headroom it is big
It is small, including：If in screen application plays, monitor current system available memory space and be less than the second predetermined threshold value, then reduce
The video buffer memory headroom is to the 3rd predetermined threshold value.
Wherein, the service condition according to the system memory space, dynamically distributes video buffer memory headroom it is big
It is small, including：If in screen application plays, monitor current system available memory space and be less than the 4th predetermined threshold value, and it is described
Video buffer memory headroom is full, then suspends video download thread and video decoding thread；When monitoring in the video buffer
Deposit space video data be played after, reclaim the screen buffer memory headroom.
Wherein, it is described after the video data for monitoring the video buffer memory headroom is played, described in recovery
Screen buffer memory headroom, including：When the video data for monitoring the first space in the video buffer memory headroom is broadcast
After putting, first space is reclaimed.
Wherein, the service condition according to the system memory space, dynamically distributes video buffer memory headroom it is big
It is small, including：If in screen application plays, monitor current system available memory space and be more than the 5th predetermined threshold value, then increase
The size of the video buffer memory headroom, and newly-increased video buffer memory headroom is connected to former video buffer memory headroom
Below, for buffered video file.
In order to solve the above technical problems, another technical scheme that the application uses is：A kind of mobile terminal is provided, it is described
Mobile terminal includes：Processor, memory, telecommunication circuit and display, the processor are respectively coupled to the memory, institute
Telecommunication circuit, the display are stated, the processor, the memory, the telecommunication circuit, the display at work can
Enough steps realized in as above any one methods described.
In order to solve the above technical problems, another technical scheme that the application uses is：There is provided one kind has store function
Device, be stored thereon with routine data, realized when described program data are executed by processor in any one of as above methods described
The step of.
The beneficial effect of the application is：It is different from the situation of prior art, the system memory space of the application monitor terminal
Service condition；According to the service condition of the system memory space, the size of dynamically distributes video buffer memory headroom.Due to
According to the service condition of the system memory space monitored, the size of dynamically distributes video buffer memory headroom, pass through this side
Formula, the size of dynamically distributes video buffer memory headroom, thinks and neither wastes system resource, and does not influence video playback fluency
Technical support is provided.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.Wherein：
Fig. 1 is the flow chart for the embodiment of method one that the application distributes video buffer memory headroom size；
Fig. 2 is the flow chart for another embodiment of method that the application distributes video buffer memory headroom size；
Fig. 3 is the structural representation of the embodiment of the application mobile terminal one；
Fig. 4 is the structural representation for the embodiment of device one that the application has store function.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of performing creative labour is not made
Embodiment, belong to the scope of protection of the invention.
Refering to Fig. 1, Fig. 1 is the flow chart for the embodiment of method one that the application distributes video buffer memory headroom size,
This method includes：
Step S101：The service condition of the system memory space of monitor terminal.
Step S102：According to the service condition of system memory space, the size of dynamically distributes video buffer memory headroom.
Different operating system, it is to carry out real time inspection current system available memory space using providing certain methods
The size of the total memory headroom of size, system.Such as：Android android system is checked by following adb interfaces：
cat/proc/meminfo
MemTotal:1962172kB
MemFree:346500kB
Wherein, MemFree represents the size of current system available memory space, and MemTotal represents the total memory headroom of system
Size, for example, in certain a period of time, the size of current system available memory space is 346500kB, the total memory headroom of system
Size be 1962172kB.
Obtain the size of the two memory headrooms, you can to assess the service condition of current system memory headroom, and then certainly
It is fixed how the size of dynamically distributes video buffer memory headroom, such as：Increase or the size for reducing video buffer memory headroom；
Or increase or the size of video buffer memory headroom is reduced to what degree；Or how to increase or reduce video and delay
Rush size of memory headroom, etc..
The service condition of the system memory space of the application embodiment monitor terminal；According to the system memory space
Service condition, the size of dynamically distributes video buffer memory headroom.Due to the use feelings according to the system memory space monitored
Condition, the size of dynamically distributes video buffer memory headroom, in this way, dynamically distributes video buffer memory headroom it is big
It is small, think and neither waste system resource, and do not influence video playback fluency and technical support is provided.If for example, current system
Memory headroom is relatively more, can increase the size of video buffer memory headroom；, can be with if current system memory headroom is fewer
Reduce size of video buffer memory headroom, etc..
In one embodiment, step S102 can specifically include：
If monitoring system available memory space is more than the first predetermined threshold value, increase the big of video buffer memory headroom
It is small, if monitoring system available memory space is less than the first predetermined threshold value, reduce the size of video buffer memory headroom.
First predetermined threshold value refers in the case where ensureing system normal operation, the acceptable numerical value of system free space.
First predetermined threshold value can be set according to the service condition of terminal, and it is pre- can also periodically or irregularly to reset first
If threshold value.For example, certain a period of time, terminal have it is multiple application simultaneously in use, system memory space occupancy ratio
More, system available memory space is smaller, to ensure the normal use of multiple applications, it is necessary to ensure the occupied internal memory of system
Space, and distribute to that video buffer memory headroom is smaller, and now, the first predetermined threshold value can be set larger, so it is
System available memory space is easy to be less than the first predetermined threshold value, then can reduce the size of video buffer memory headroom, to ensure
The size of the occupied memory headroom of system.In another a period of time, terminal only has a Video Applications individual in use, is
Occupied memory headroom of uniting is smaller, and system available memory space is bigger, can give video buffer memory headroom with overabsorption,
Now, what the first predetermined threshold value can be set is smaller, and such system available memory space is easily larger than the first predetermined threshold value,
The size of video buffer memory headroom can then be increased, on the one hand do not waste system resource, on the other hand, video playback also flows
Freely.
Further, the first predetermined threshold value is the predetermined threshold value of the size of system available memory space or is that system is available interior
Deposit space and the predetermined threshold value of the ratio of the total memory headroom of system.
That is, the first predetermined threshold value can directly be the predetermined threshold value of the size of system available memory space, or,
The ratio of system available memory space and the total memory headroom of system is taken, the threshold value of this ratio is set.
In one embodiment, step S102 can also be specifically included：
When Video Applications just start, according to the service condition of current system memory headroom, video buffer internal memory sky is determined
Between size.
When Video Applications just start, according to the service condition of current system memory headroom, reasonable distribution video buffer
The size of memory headroom, to ensure that the occupied memory headroom of system is enough currently used.In this way, it is ensured that not shadow
The normal operation of acoustic system.
In one embodiment, step S102 can also be specifically included：
If in screen application plays, monitor current system available memory space and be less than the second predetermined threshold value, then reduce
Video buffer memory headroom is to the 3rd predetermined threshold value.
Wherein, the second predetermined threshold value refers in the case where ensureing system normal operation, the system in screen application plays
The acceptable numerical value of free space.3rd predetermined threshold value refers in the case where ensureing screen application plays normal operation, video
The acceptable numerical value in buffer memory space.Second predetermined threshold value and the 3rd predetermined threshold value can be carried out according to the service condition of terminal
Setting, can also periodically or irregularly reset.
In Video Applications playing process, monitor current system available memory space and be less than the second predetermined threshold value, such as：
User opens new opplication and used；Or user opens the new page in the application that original is opened；Etc., now system ratio
Busier, these situations can increase occupancy system available memory space newly so that current system available memory space diminishes,
In the case that two predetermined threshold values are constant, and then current system available memory space is caused to be less than the second predetermined threshold value.It is preferential to ensure
Therefore the normal operation of system, reduces video buffer memory headroom to the 3rd, it is necessary to increase system available memory space at this moment
Predetermined threshold value, to ensure the normal operation of Video Applications.In this way, it can both ensure the normal operation of system, protect again
Demonstrate,prove the normal operation of Video Applications.
In one embodiment, video buffer memory headroom includes video file download buffer memory space and video file
Play buffering memory headroom.In video file play buffering memory headroom, after video file plays, rear video text can will be played
Part is deleted, to reclaim this partial video file play buffering memory headroom.
In actual applications, terminal, can be with monitoring network when the service condition of the system memory space of monitor terminal
Network situation, if current network conditions are fine, network speed is very high, it is possible to reduce video buffer memory headroom, if current network shape
Condition is bad, and network speed is unstable, can increase video buffer memory headroom.That is, can be by the use of system memory space
Situation considers together with combining with network condition, further to optimize and adjust video buffer memory headroom.Particularly at end
Multiple applications are run in end simultaneously, and in the case that system available memory space is few, if current network conditions are fine, network speed is very
It is high, it is possible to reduce video buffer memory headroom and reinforce system memory space, to ensure that system memory space is enough, operation is just
Often.
In addition, in actual applications, if terminal when the service condition of the system memory space of monitor terminal, can
To monitor network condition, if current network conditions are fine, network speed is very high, and determines that user is current according to the use habit of user
Video file only can be opened, system available memory space is a lot, can enter simultaneously when user watches Video Applications online
The download of other video datas of row, is cached in advance, subsequently according to circumstances, video file can be downloaded into buffer memory space
It is adjusted to video file play buffering memory headroom.That is, according to the service condition of the system memory space monitored with
And network condition, further video buffer memory headroom can be micro-adjusted, with sufficiently and reasonably utilize system resource and
Internet resources.
In another embodiment, can also be specifically included referring to Fig. 2, step S102：Sub-step S1021 and sub-step
S1022。
Sub-step S1021：If in screen application plays, it is default less than the 4th to monitor current system available memory space
Threshold value, and video buffer memory headroom is full, then suspends video download thread and video decoding thread.
Sub-step S1022：After the video data for monitoring video buffer memory headroom is played, recovery video delays
Rush area's memory headroom.
Wherein, the 4th predetermined threshold value refers in the case where ensureing system normal operation, the system in screen application plays
The acceptable numerical value of free space.4th predetermined threshold value can be set according to the service condition of terminal, can also periodically or
Person irregularly resets.
Video buffer memory headroom is full, and show to cache in video buffer memory headroom is all video data to be played
The video data not played.
In Video Applications playing process, monitor current system available memory space and be less than the 4th predetermined threshold value, such as：
User opens new opplication and used；Or user opens the new page in the application that original is opened；Etc., now system ratio
Busier, these situations can increase occupancy system available memory space newly so that current system available memory space diminishes,
In the case that four predetermined threshold values are constant, and then current system available memory space is caused to be less than the 4th predetermined threshold value.It is preferential to ensure
The normal operation of system is, it is necessary to increase system available memory space.But now video buffer memory headroom is full, so pause
Video download thread (video file can be controlled to download buffer memory space) (can control video file with video decoding thread
Play buffering memory headroom).
After the video data for monitoring video buffer memory headroom is played, recovery screen buffer internal memory is empty
Between.For example, the video data after broadcasting can be deleted and (all delete or part is deleted), etc..
Further, after the video data for monitoring the first space in video buffer memory headroom is played, recovery
First space.That is, while play, while recovery.In other embodiments, after can also all finishing, then
Reclaim together.
In one embodiment, step S102 can also be specifically included：
If in screen application plays, monitor current system available memory space and be more than the 5th predetermined threshold value, then increase
The size of video buffer memory headroom, and after newly-increased video buffer memory headroom is connected into former video buffer memory headroom
Face, for buffered video file.
When Video Applications play, monitor current system available memory space and be more than the 5th predetermined threshold value, show current
Systematic comparison is not busy, and system available memory space has idle, can increase the size of video buffer memory headroom, in an embodiment
In, the size that this part increases video buffer memory headroom newly can determine according to practical situations.It will can increase newly simultaneously
Video buffer memory headroom is connected to behind former video buffer memory headroom, for buffered video file.
The above-mentioned embodiment of the application, by the service condition dynamic adjustment video buffer according to system memory space
The size in space is deposited, systematic function can be improved, while also lift Consumer's Experience.
Referring to Fig. 3, Fig. 3 is the structural representation of the embodiment of the application mobile terminal one, the mobile end of present embodiment
End includes：Processor 11, memory 12, telecommunication circuit 13 and display 14, processor 11 are respectively coupled to memory 12, communication
Circuit 13 and display 14, wherein, processor 11, memory 12, telecommunication circuit 13 and display 14 at work can
Realize the step in as above any one method.The detailed description of related content refers to above method part, no longer superfluous herein to chat.
Referring to Fig. 4, Fig. 4 is the structural representation for the embodiment of device one that the application has store function, the device 10
On have program stored therein data 100, the step in any one of as above method is realized when the routine data 100 is executed by processor.Phase
The detailed description held inside the Pass refers to above method part, no longer superfluous herein to chat.
Presently filed embodiment is the foregoing is only, not thereby limits the scope of the claims of the application, it is every to utilize this
The equivalent structure or equivalent flow conversion that application specification and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, similarly it is included in the scope of patent protection of the application.
Claims (10)
- A kind of 1. method for distributing video buffer memory headroom size, it is characterised in that methods described includes：The service condition of the system memory space of monitor terminal；According to the service condition of the system memory space, the size of dynamically distributes video buffer memory headroom.
- 2. according to the method for claim 1, it is characterised in that the service condition according to the system memory space, The size of dynamically distributes video buffer memory headroom, including：If monitoring system available memory space is more than the first predetermined threshold value, increase the big of the video buffer memory headroom It is small, if monitoring the system available memory space is less than the first predetermined threshold value, reduce the video buffer memory headroom Size.
- 3. according to the method for claim 2, it is characterised in that first predetermined threshold value is that the system free memory is empty Between the predetermined threshold value of size or the predetermined threshold value of ratio for the system available memory space and the total memory headroom of system.
- 4. according to the method for claim 1, it is characterised in that the service condition according to the system memory space, The size of dynamically distributes video buffer memory headroom, including：When Video Applications just start, according to the service condition of presently described system memory space, video buffer internal memory sky is determined Between size.
- 5. according to the method for claim 1, it is characterised in that the service condition according to the system memory space, The size of dynamically distributes video buffer memory headroom, including：If in screen application plays, monitor current system available memory space and be less than the second predetermined threshold value, then described in reduction Video buffer memory headroom is to the 3rd predetermined threshold value.
- 6. according to the method for claim 1, it is characterised in that the service condition according to the system memory space, The size of dynamically distributes video buffer memory headroom, including：If in screen application plays, monitor current system available memory space and be less than the 4th predetermined threshold value, and the video Buffer memory space is full, then suspends video download thread and video decoding thread；After the video data for monitoring the video buffer memory headroom is played, the screen buffer internal memory is reclaimed Space.
- 7. according to the method for claim 6, it is characterised in that described to monitor regarding for the video buffer memory headroom After frequency is according to being played, the screen buffer memory headroom is reclaimed, including：After the video data for monitoring the first space in the video buffer memory headroom is played, recovery described first Space.
- 8. according to the method for claim 1, it is characterised in that the service condition according to the system memory space, The size of dynamically distributes video buffer memory headroom, including：If in screen application plays, monitor current system available memory space and be more than the 5th predetermined threshold value, then described in increase The size of video buffer memory headroom, and after newly-increased video buffer memory headroom is connected into former video buffer memory headroom Face, for buffered video file.
- 9. a kind of mobile terminal, it is characterised in that the mobile terminal includes：Processor, memory, telecommunication circuit and display Device, the processor are respectively coupled to the memory, the telecommunication circuit, the display, the processor, the storage Device, the telecommunication circuit, the display can realize the step in any one of claim 1-8 methods described at work.
- 10. a kind of device with store function, is stored thereon with routine data, it is characterised in that described program data are located Reason device realizes the step in any one of claim 1-8 methods described when performing.
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| CN201710855960.XA CN107613337B (en) | 2017-09-19 | 2017-09-19 | Method, mobile terminal and device for allocating video buffer memory space size |
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| CN201710855960.XA CN107613337B (en) | 2017-09-19 | 2017-09-19 | Method, mobile terminal and device for allocating video buffer memory space size |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319991A (en) * | 2001-04-19 | 2002-10-31 | Mitsubishi Electric Corp | Video or audio transmission system |
| CN106033397A (en) * | 2015-03-17 | 2016-10-19 | 小米科技有限责任公司 | Method and device for adjusting memory buffer, and terminal |
-
2017
- 2017-09-19 CN CN201710855960.XA patent/CN107613337B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319991A (en) * | 2001-04-19 | 2002-10-31 | Mitsubishi Electric Corp | Video or audio transmission system |
| CN106033397A (en) * | 2015-03-17 | 2016-10-19 | 小米科技有限责任公司 | Method and device for adjusting memory buffer, and terminal |
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