CN103596045A - An energy-saving control method for a video code stream playing terminal - Google Patents
An energy-saving control method for a video code stream playing terminal Download PDFInfo
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- CN103596045A CN103596045A CN201210289357.7A CN201210289357A CN103596045A CN 103596045 A CN103596045 A CN 103596045A CN 201210289357 A CN201210289357 A CN 201210289357A CN 103596045 A CN103596045 A CN 103596045A
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Abstract
The invention relates to an energy-saving control method for a video code stream playing terminal. The video code stream playing terminal is equipped with a processor supporting dynamic power management and dynamic voltage and frequency scaling, an energy-saving control processing module, and a memory. The energy-saving control processing module comprises a monitoring unit, a control unit, and an adjusting unit. The energy-saving control method comprises that the monitoring unit acquires user QoS service index information and current processor operative state information in real time and transmits the information to the control unit; that the control unit acquires processor operative state information corresponding to the current user QoS service index information according to the current user QoS service index information, and transmits a processor operative state control signal to the adjusting unit, and that the adjusting unit adjusts the operative state of the processor according to the received control signal. Compared with a method in the prior art, the energy-saving control method has advantages of a good energy-saving effect and low production and installation price.
Description
Technical field
The present invention relates to a kind of energy-saving control method, especially relate to a kind of energy-saving control method for video code flow playing terminal equipment.
Background technology
Nowadays the increasing video of huge user group, capacity and the continuous appearance of " integration of three networks " new business, needs a large amount of video flowings of disposing to perform in a radio or TV programme terminal equipment (as Set Top Box etc.).But due to backwardness and the shortage of energy-conserving control technology, its mainstream product in the market does not adopt energy-conserving control technology or employing " pseudo-standby " technology substantially, the power consumption that causes video flowing to perform in a radio or TV programme terminal equipment (as Set Top Box etc.) is far longer than people's expection.
Power consumption cannot effectively be controlled, and has following 4 adverse effects:
1, the uncontrollable increasing that means power consumption of power consumption, nowadays lack of energy is extremely urgent, and environmental problem is extremely serious, and reducing waste of energy is global trend and national fundamental state policy.
2, power consumption rising is accompanied by the rising of heat, and for thousands of user group, heat is too high is the key that affects equipment life, is also a kind of potential safety hazard.
3, power consumption is also a kind of loss, is advocating energetically energy-saving and environment friendly, and the today of implementing step price, and power consumption control is undoubtedly a kind of large problem of being badly in need of solution.
4, the radiation of the larger generation of power consumption is also larger, although be not enough to human body to produce harm the bad reaction such as also can have a dizzy spell in the course of time.
Take set-top box device as example, suppose two hours consumption 0.023 degree electricity of average standby every day of Set Top Box, within domestic 2008, digital TV set-top box recoverable amount is 2,600 ten thousand, and 2.18 hundred million kilowatts of the standby power consumptions of a year have surpassed the medium-sized thermal power plant generating total amount of a year.If complete Digital Television Integral conversion, domestic cable set top box recoverable amount will be over 1.52 hundred million (demands that do not comprise second machine of family, and the appearance of novel highly energy-consuming Intelligent set top box of more than 10 watt of consuming energy), the standby power consumption of a year will reach 12.76 hundred million kilowatts.
Current, the efficiency grade of China's DTV receiver product (as Set Top Box) Energy Efficiency Standard will be divided into 3 grades, and 1 grade is desired value, and the product that reaches 1 grade of requirement is advanced, high efficiency products, does not have in the market or only have minority product to reach; 2 grades is the Energy efficiency evaluation value of product, and the product that reaches Energy efficiency evaluation value is also advanced, efficient product, and ratio is in the market also few; 3 grades is the efficiency limit value of product, lower than the product of this index, is obsolete product, should forbid its production and selling.
Summary of the invention
Object of the present invention is exactly to provide a kind of good energy-conserving effect, production that the low-cost energy-saving control method for video code flow playing terminal equipment is installed in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions:
A kind of energy-saving control method for video code flow playing terminal equipment, described video flowing is performed in a radio or TV programme processor, Energy Saving Control processing module and the memory that is provided with support dynamic power management and dynamic electric voltage frequency adjustment in terminal equipment, described Energy Saving Control processing module comprises monitoring means for monitoring current processor operating state and user QoS service indication, for obtaining the control unit of processor working state and for adjusting the adjustment unit of processor working state, described energy-saving control method comprises the following steps:
1) monitoring means Real-time Obtaining user QoS service indication information and current processor work state information, and these information are sent to control unit;
2) control unit, according to active user QoS service indication information, obtains the processor working state information corresponding with active user QoS service indication information, and to adjustment unit sending processor working state control signal;
3) adjustment unit is adjusted processor working state according to the control signal receiving.
Described step 2) method of obtaining the processor working state information corresponding with active user QoS service indication information in comprises mapping table method or direct computing method,
Described mapping table method is specially: the mapping table of setting up different user QoS service indication and processor working state according to the enabling capabilities of processor, and mapping table is pre-stored in memory, control unit obtains the processor working state information corresponding with active user QoS service indication information according to the mapping table in memory;
Described direct computing method is specially: control unit sends to processor by active user QoS service indication information, and processor calculates the processor working state information corresponding with this user QoS service indication information according to active user QoS service indication information.
The concrete steps of the described mapping table of setting up different user QoS service indication and processor working state comprise:
201) enabling capabilities of evaluation and test dynamic power management and dynamic electric voltage frequency adjustment, obtains many group processor working states;
202) the corresponding relation sample between test different user QoS service indication and processor working state;
203) generate the mapping table between user's QoS service indication and processor working state, and mapping table is kept in memory.
Described processor working state comprises operating frequency size and the operating voltage size of processor.
The corresponding relation of described mapping table is relatively low relatively low processor working frequency and/or the operating voltage of user QoS service indication correspondence.
The mode that described monitoring means obtains user QoS service indication information comprises: passive acquisition point broadcasting user initiatively captures the QoS service indication information of user's order video stream to the selection information of program request quality Q oS service indication and timing.
Described memory comprises EROM or PROM.
Described processor comprises central processing unit, digital signal processor or micro-control unit.
Described terminal equipment comprises digital TV set-top box, hand-hold electronic equipments, panel computer, computer or mobile phone.
Compared with prior art, the present invention has the following advantages:
1. the little strong security of volume, do not disturb existing business platform and user function to select, the plug-in pattern of whole employing, and can perform in a radio or TV programme the existing space of terminal equipment and encapsulation requirement according to video flowing, pure software mode, software and hardware pattern are installed respectively, Whole Equipment profile is constant, is user-friendly to.
2. brand new technical, energy-saving effect is good, produces low price is installed, and can perform in a radio or TV programme terminal equipment bulk life time by video flowing, can significantly reduce user's use cost.Generally speaking, while solving such as energy consumption problem in this class embedded system of Set Top Box, can carry out from many levels such as operating system, compiling, architecture and electric power realizations.But because processor CPU energy consumption often accounts for 50% of whole computer system energy consumption, so reduce the focus that processor energy consumption has become the real-time energy-saving design of polycaryon processor, especially embedded system device progressively enters the multinuclear epoch, and CPU energy consumption problem is more crucial.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of method in the embodiment of the present invention 1;
Fig. 2 is the schematic flow sheet of method in the embodiment of the present invention 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, a kind of energy-saving control method for video code flow playing terminal equipment, the video code flow playing terminal equipment of the present embodiment is digital TV set-top box, in this digital TV set-top box, be provided with and support dynamic power management (Dynamic Power Management, be called for short " DPM ") and dynamic electric voltage frequency adjustment (Dynamic Voltage and Frequency Scaling, abbreviation " DVFS ") processor, Energy Saving Control processing module and memory, described Energy Saving Control processing module comprises for monitoring the monitoring means of current processor operating state and user QoS (Quality of Service) service indication, for obtaining the control unit of processor working state and for adjusting the adjustment unit of processor working state.Memory comprises EROM (Eraseable Read Only Memory) or PROM (programmable read-only memory), and data are not because power-off is lost.
In digital TV set-top box use procedure, by the inventive method, it is carried out to Energy Saving Control, described energy-saving control method comprises the following steps:
In step S01, monitoring means Real-time Obtaining user QoS service indication information and current processor work state information, and these information are sent to control unit, the described mode of obtaining user QoS service indication information comprises: passive acquisition point broadcasting user initiatively captures the QoS service indication information of user's order video stream to the selection information of program request quality Q oS service indication and timing;
In step S02, control unit is according to active user QoS service indication information, adopt mapping table method to obtain the processor working state information corresponding with active user QoS service indication information, and to adjustment unit sending processor working state control signal;
In step S03, adjustment unit is adjusted processor working state according to the control signal receiving, and can be that operating frequency is constant, adjust separately operating voltage, also can be that operating voltage is constant, adjust separately operating frequency, can be also to adjust operating voltage and operating frequency simultaneously.
Step 2 in the present embodiment) adopt mapping table method to obtain the processor working state information corresponding with active user QoS service indication information.In the link that digital TV set-top box is installed first and system is installed, first according to the enabling capabilities of processor, set up the mapping table of different user QoS service indication and processor working state, and mapping table is pre-stored in memory, the concrete steps of the described mapping table of setting up different user QoS service indication and processor working state comprise:
1) enabling capabilities of evaluation and test dynamic power management and dynamic electric voltage frequency adjustment, obtains many group processor working states, and described processor working state comprises operating frequency size and the operating voltage size of processor;
2) the corresponding relation sample between test different user QoS service indication and processor working state;
3) generate the mapping table between user's QoS service indication and processor working state, the corresponding relation of mapping table is relatively low relatively low processor working frequency and/or the operating voltage of user QoS service indication correspondence, high corresponding high operating frequency and/or the operating voltage of user QoS service indication.
It will be appreciated by those skilled in the art that, in the present invention, the type of processor can be diversified, central processing unit (Central Processing Unit for example, abbreviation " CPU "), digital signal processor (Digital Signal Processor, abbreviation " DSP "), micro-control unit (Micro Controller Unit is called for short " MCU ") etc.
Embodiment 2
As shown in Figure 2, it is computer that the video flowing of the present embodiment is performed in a radio or TV programme terminal equipment, and the energy-saving control method of the present embodiment comprises the following steps:
In step S201, monitoring means Real-Time Monitoring, obtain user QoS service indication information;
In step S202, control unit is according to processor working state corresponding to user QoS service indication acquisition of information obtaining, wherein relatively low relatively low operating frequency and/or the operating voltage of user QoS service indication correspondence;
In step S203, adjustment unit is adjusted operating frequency and/or the operating voltage of processor according to obtained operating frequency and/or operating voltage.
The method of obtaining corresponding processor working state in the present embodiment step S202 can be mapping table method or direct computing method, described mapping table method is specially: the mapping table of setting up different user QoS service indication and processor working state according to the enabling capabilities of processor, and mapping table is pre-stored in memory, control unit obtains the processor working state information corresponding with active user QoS service indication information according to the mapping table in memory; Described direct computing method is specially; Control unit sends to processor by active user QoS service indication information, and processor calculates the processor working state information corresponding with this user QoS service indication information according to active user QoS service indication information.
When adjusting the operating frequency of processor and/or operating voltage, can be that operating frequency is constant, adjust separately operating voltage, can be also that operating voltage is constant, adjust separately operating frequency, can be also to adjust operating voltage and operating frequency simultaneously.According to user QoS service indication, adjust operating frequency and/or the operating voltage of processor, for lower QoS arranges lower operating frequency and/or operating voltage, can greatly save the electric energy of the terminal equipment of displaying video code stream.
Embodiment 3
Shown in figure 2, the present embodiment is substantially the same manner as Example 2, and difference is, it is hand-hold electronic equipments, panel computer or mobile phone that the video flowing of the present embodiment is performed in a radio or TV programme terminal equipment.
It should be noted that, each unit of mentioning in each execution mode of the present invention is all logical block, physically, a logical block can be a physical location, also can be a part for a physical location, the combination that can also be a plurality of physical locations realizes, and the physics realization mode of these logical blocks itself is not most important, and the combination of the function that these logical blocks realize is only the key that solves technical problem proposed by the invention.In addition, for outstanding innovation part of the present invention, the respective embodiments described above of the present invention are not introduced the unit not too close with solving technical problem relation proposed by the invention, and this does not show that the said equipment execution mode does not exist other unit.
Although by with reference to some preferred embodiment of the present invention, the present invention is illustrated and described, those of ordinary skill in the art should be understood that and can to it, do various changes in the form and details, and without departing from the spirit and scope of the present invention.
Claims (9)
1. the energy-saving control method for video code flow playing terminal equipment, it is characterized in that, described video flowing is performed in a radio or TV programme processor, Energy Saving Control processing module and the memory that is provided with support dynamic power management and dynamic electric voltage frequency adjustment in terminal equipment, described Energy Saving Control processing module comprises monitoring means for monitoring current processor operating state and user QoS service indication, for obtaining the control unit of processor working state and for adjusting the adjustment unit of processor working state, described energy-saving control method comprises the following steps:
1) monitoring means Real-time Obtaining user QoS service indication information and current processor work state information, and these information are sent to control unit;
2) control unit, according to active user QoS service indication information, obtains the processor working state information corresponding with active user QoS service indication information, and to adjustment unit sending processor working state control signal;
3) adjustment unit is adjusted processor working state according to the control signal receiving.
2. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 1, it is characterized in that, described step 2) method of obtaining the processor working state information corresponding with active user QoS service indication information in comprises mapping table method or direct computing method
Described mapping table method is specially: the mapping table of setting up different user QoS service indication and processor working state according to the enabling capabilities of processor, and mapping table is pre-stored in memory, control unit obtains the processor working state information corresponding with active user QoS service indication information according to the mapping table in memory;
Described direct computing method is specially: control unit sends to processor by active user QoS service indication information, and processor calculates the processor working state information corresponding with this user QoS service indication information according to active user QoS service indication information.
3. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 2, is characterized in that, the concrete steps of the described mapping table of setting up different user QoS service indication and processor working state comprise:
201) enabling capabilities of evaluation and test dynamic power management and dynamic electric voltage frequency adjustment, obtains many group processor working states;
202) the corresponding relation sample between test different user QoS service indication and processor working state;
203) generate the mapping table between user's QoS service indication and processor working state, and mapping table is kept in memory.
4. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 1, is characterized in that, described processor working state comprises operating frequency size and the operating voltage size of processor.
5. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 2, it is characterized in that, the corresponding relation of described mapping table is relatively low relatively low processor working frequency and/or the operating voltage of user QoS service indication correspondence.
6. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 1, it is characterized in that, the mode that described monitoring means obtains user QoS service indication information comprises: passive acquisition point broadcasting user initiatively captures the QoS service indication information of user's order video stream to the selection information of program request quality Q oS service indication and timing.
7. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 1, is characterized in that, described memory comprises EROM or PROM.
8. a kind of energy-saving control method for video code flow playing terminal equipment according to claim 1, is characterized in that, described processor comprises central processing unit, digital signal processor or micro-control unit.
9. according to the energy-saving control method for video code flow playing terminal equipment described in above-mentioned arbitrary claim, it is characterized in that, described terminal equipment comprises digital TV set-top box, hand-hold electronic equipments, panel computer, computer or mobile phone.
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| CN201210289357.7A CN103596045B (en) | 2012-08-14 | 2012-08-14 | A kind of energy-saving control method for video code flow playing terminal equipment |
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