CN109788295B - Video data decoding and analyzing system - Google Patents
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- CN109788295B CN109788295B CN201910051550.9A CN201910051550A CN109788295B CN 109788295 B CN109788295 B CN 109788295B CN 201910051550 A CN201910051550 A CN 201910051550A CN 109788295 B CN109788295 B CN 109788295B
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- 238000001514 detection method Methods 0.000 claims description 37
- 238000004458 analytical method Methods 0.000 claims description 34
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- 230000017525 heat dissipation Effects 0.000 claims description 3
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- 238000007405 data analysis Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
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Abstract
The invention relates to a video data decoding and analyzing system, comprising: the AVS decoding main body comprises an entropy decoder, an inverse quantizer, an inverse scanner and an inverse transformer, wherein the entropy decoder is connected with the inverse quantizer, and the inverse scanner is respectively connected with the inverse transformer and the inverse quantizer; a parameter adjusting device for adjusting a data processing doubling speed of the inverse scanner based on a currently received operating clock frequency of the inverse quantizer. The video data decoding and analyzing system has optimized performance and effective decoding. Because the data processing doubling speed of the inverse scanner is adjusted based on the currently received working clock frequency of the inverse quantizer, and in order to keep the internal heat of the equipment not to exceed the limit, the oscillation frequency of the quartz resonator of the equipment is reduced when the equipment dissipates excessive heat, and the working frequency of the equipment is further controlled, so that the performance of the AVS decoding system is optimized.
Description
Technical Field
The invention relates to the field of data analysis, in particular to a video data decoding and analyzing system.
Background
Data analysis refers to the process of analyzing a large amount of collected data by using an appropriate statistical analysis method, extracting useful information and forming a conclusion to study and summarize the data in detail. This process is also a support process for quality management architectures. In practice, data analysis may help people make decisions in order to take appropriate action.
The mathematical basis for data analysis was established in the early 20 th century, but the advent of computers did not make practical operation possible and enabled the spread of data analysis. Data analysis is the product of a combination of mathematics and computer science.
Disclosure of Invention
According to an aspect of the present invention, there is provided a video data decoding analysis system, the system comprising: the AVS decoding main body comprises an entropy decoder, an inverse quantizer, an inverse scanner and an inverse transformer, wherein the entropy decoder is connected with the inverse quantizer, and the inverse scanner is respectively connected with the inverse transformer and the inverse quantizer; a parameter adjusting device for adjusting a data processing doubling speed of the inverse scanner based on a currently received operating clock frequency of the inverse quantizer.
More specifically, in the video data decoding analysis system: adjusting the data processing doubling speed of the inverse scanner based on the currently received operating clock frequency of the inverse quantizer comprises: the higher the currently received operating clock frequency of the inverse quantizer, the faster the data processing doubling speed of the adjusted inverse scanner.
More specifically, in the video data decoding and analyzing system, the method further includes: SDRAM memory device for pre-storing the shape of the inverse quantizer and the inverse scanner; the humidity detection units are respectively arranged in the anti-scanner, the arrangement shape of the humidity detection units in the anti-scanner is matched with the appearance of the anti-scanner, and each humidity detection unit is used for sensing the humidity at the position of the humidity detection unit to be used as real-time humidity output; the temperature detection units are respectively arranged inside the inverse quantizer, the arrangement shape of the temperature detection units inside the inverse quantizer is matched with the appearance of the inverse quantizer, and each temperature detection unit is used for sensing the temperature of the position where the temperature detection unit is located to serve as real-time temperature output; the humidity analysis equipment is respectively connected with the humidity detection units and used for receiving the real-time humidities output by the humidity detection units and performing weighted average operation on the real-time humidities to obtain an internal humidity reference value; the temperature analysis equipment is respectively connected with the plurality of temperature detection units and used for receiving the plurality of real-time temperatures respectively output by the plurality of temperature detection units and performing weighted average operation on the plurality of real-time temperatures to obtain an internal temperature reference value; the voice playing device is respectively connected with the temperature analysis device and the humidity analysis device, and is used for receiving the internal temperature reference value and the internal humidity reference value and carrying out real-time voice playing on the internal temperature reference value and the internal humidity reference value; the quartz resonator is arranged near the inverse quantizer and used for providing an operating clock frequency which is in direct proportion to the oscillation frequency for the inverse quantizer based on the oscillation frequency of the quartz resonator; and the parameter analysis equipment is arranged inside the inverse quantizer and used for detecting the heat inside the inverse quantizer to be output as the current emitted heat.
The invention has at least the following three important points:
(1) adjusting a data processing doubling speed of the inverse scanner based on a currently received operating clock frequency of the inverse quantizer;
(2) in order to keep the internal heat of the equipment not to exceed the limit, when the equipment radiates too much, the oscillation frequency of a quartz resonator of the equipment is reduced, and then the working frequency of the equipment is controlled;
(3) a targeted multi-component detection mechanism is set up for detecting the internal parameters of the equipment, so that the effectiveness and the usability of the internal parameters of the equipment are improved.
The video data decoding and analyzing system has optimized performance and effective decoding. Because the data processing doubling speed of the inverse scanner is adjusted based on the currently received working clock frequency of the inverse quantizer, and in order to keep the internal heat of the equipment not to exceed the limit, the oscillation frequency of the quartz resonator of the equipment is reduced when the equipment dissipates excessive heat, and the working frequency of the equipment is further controlled, so that the performance of the AVS decoding system is optimized.
Detailed Description
An embodiment of the video data decoding analysis system of the present invention will be described in detail below.
The quartz crystal oscillator, also called quartz resonator, crystal oscillator for short, is made of quartz crystal wafer with piezoelectric effect. When the frequency of the alternating electric field is the same as the natural frequency of the quartz crystal, the vibration becomes very strong, which is the reaction of the resonance characteristic of the crystal. By utilizing this characteristic, it is possible to replace LC (coil and capacitor) resonant circuits, filters, and the like with quartz resonators. The quartz resonator has the advantages of small volume, light weight, high reliability, high frequency stability and the like, and is applied to household appliances and communication equipment. Quartz resonators have extremely high frequency stability, and are therefore mainly used as resonance elements in oscillation circuits requiring very stable frequency.
In the prior art, the data processing doubling speed of an inverse scanner cannot be adjusted based on the currently received working clock frequency of an inverse quantizer, the oscillation frequency of a quartz resonator of equipment cannot be reduced when the heat dissipation of the equipment is excessive, and the working frequency of the equipment is further controlled, so that the internal heat of the equipment cannot be kept not to exceed the limit.
In order to overcome the defects, the invention builds a video data decoding and analyzing system, and can effectively solve the corresponding technical problem.
The video data decoding and analyzing system according to the embodiment of the present invention includes:
the AVS decoding main body comprises an entropy decoder, an inverse quantizer, an inverse scanner and an inverse transformer, wherein the entropy decoder is connected with the inverse quantizer, and the inverse scanner is respectively connected with the inverse transformer and the inverse quantizer;
a parameter adjusting device for adjusting a data processing doubling speed of the inverse scanner based on a currently received operating clock frequency of the inverse quantizer.
Next, the following description will be made on a specific configuration of the video data decoding and analyzing system of the present invention.
In the video data decoding analysis system:
adjusting the data processing doubling speed of the inverse scanner based on the currently received operating clock frequency of the inverse quantizer comprises: the higher the currently received operating clock frequency of the inverse quantizer, the faster the data processing doubling speed of the adjusted inverse scanner.
In the video data decoding analysis system, the method further comprises:
SDRAM memory device for pre-storing the shape of the inverse quantizer and the inverse scanner;
the humidity detection units are respectively arranged in the anti-scanner, the arrangement shape of the humidity detection units in the anti-scanner is matched with the appearance of the anti-scanner, and each humidity detection unit is used for sensing the humidity at the position of the humidity detection unit to be used as real-time humidity output;
the temperature detection units are respectively arranged inside the inverse quantizer, the arrangement shape of the temperature detection units inside the inverse quantizer is matched with the appearance of the inverse quantizer, and each temperature detection unit is used for sensing the temperature of the position where the temperature detection unit is located to serve as real-time temperature output;
the humidity analysis equipment is respectively connected with the humidity detection units and used for receiving the real-time humidities output by the humidity detection units and performing weighted average operation on the real-time humidities to obtain an internal humidity reference value;
the temperature analysis equipment is respectively connected with the plurality of temperature detection units and used for receiving the plurality of real-time temperatures respectively output by the plurality of temperature detection units and performing weighted average operation on the plurality of real-time temperatures to obtain an internal temperature reference value;
the voice playing device is respectively connected with the temperature analysis device and the humidity analysis device, and is used for receiving the internal temperature reference value and the internal humidity reference value and carrying out real-time voice playing on the internal temperature reference value and the internal humidity reference value;
the quartz resonator is arranged near the inverse quantizer and used for providing an operating clock frequency which is in direct proportion to the oscillation frequency for the inverse quantizer based on the oscillation frequency of the quartz resonator;
the parameter analysis equipment is arranged inside the inverse quantizer and used for detecting the heat inside the inverse quantizer to serve as the current emitted heat to be output;
the threshold comparison equipment is connected with the parameter analysis equipment and is used for receiving the current heat emission and sending out a heat overhigh signal when the received current heat emission is greater than or equal to a preset heat threshold;
the oscillation driving device is respectively connected with the quartz resonator and the threshold value comparison device and is used for reducing the oscillation frequency of the quartz resonator based on the value of the current heat dissipation quantity when the over-high heat signal is received;
the threshold comparison device is further used for sending a heat normal signal when the current heat emission is smaller than the preset heat threshold;
wherein the oscillation driving device is further used for maintaining the oscillation frequency of the quartz resonator when the heat normal signal is received.
In the video data decoding analysis system:
in the oscillation driving apparatus, decreasing the oscillation frequency of the quartz resonator based on the value of the currently dissipated heat includes: the higher the current value of the heat emitted, the greater the reduction of the oscillation frequency of the quartz resonator.
In the video data decoding analysis system:
and when the working frequency of the inverse quantizer is reduced, corresponding reduction operation is carried out.
In the video data decoding analysis system:
the inverse quantizer is implemented by a programmable logic device, which is designed by VHDL.
In the video data decoding analysis system:
and the inverse quantizer and the inverse scanner are in data connection and data interaction through a 16-bit parallel data interface.
In the video data decoding analysis system:
the inverse quantizer and the inverse scanner share the same field timing device and the same power input device.
In the video data decoding analysis system:
a data buffer device is also arranged between the inverse quantizer and the inverse scanner;
the entropy decoder is also connected with the AVS receiving data storage device and is used for acquiring the AVS receiving data.
In the video data decoding analysis system:
the data caching device is connected with the inverse quantizer and the inverse scanner through two data interfaces respectively.
In addition, VHDL is mainly used to describe the structure, behavior, function, and interface of a digital system. Except for the fact that it contains many statements with hardware features, the linguistic form, description style, and syntax of VHDL are very similar to a general computer high-level language. The structural features of the VHDL program are to divide an engineering design, or design entity (which may be a component, a circuit module or a system) into an external (or visible part, and port) and an internal (or invisible part), which relate to the internal functions and algorithm completion of the entity. After an external interface is defined for a design entity, once its internal development is complete, other designs can invoke the entity directly. This concept of dividing the design entity into inner and outer parts is the fundamental point of VHDL system design.
VHDL has powerful language structure, and can describe complex logic control by simple and clear source code. The method has a multi-level design description function, is refined layer by layer, and can directly generate circuit level description. VHDL supports the design of synchronous, asynchronous, and random circuits, which is incomparable with other hardware description languages. VHDL also supports various design methods, both bottom-up and top-down; the method supports both modular design and hierarchical design.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (5)
1. A video data decoding analysis system, comprising:
the AVS decoding main body comprises an entropy decoder, an inverse quantizer, an inverse scanner and an inverse transformer, wherein the entropy decoder is connected with the inverse quantizer, and the inverse scanner is respectively connected with the inverse transformer and the inverse quantizer;
a parameter adjusting device for adjusting a data processing doubling speed of the inverse scanner based on a currently received operating clock frequency of the inverse quantizer;
adjusting the data processing doubling speed of the inverse scanner based on the currently received operating clock frequency of the inverse quantizer comprises: the higher the currently received working clock frequency of the inverse quantizer is, the faster the data processing doubling speed of the adjusted inverse scanner is;
SDRAM memory device for pre-storing the shape of the inverse quantizer and the inverse scanner;
the humidity detection units are respectively arranged in the anti-scanner, the arrangement shape of the humidity detection units in the anti-scanner is matched with the appearance of the anti-scanner, and each humidity detection unit is used for sensing the humidity at the position of the humidity detection unit to be used as real-time humidity output;
the temperature detection units are respectively arranged inside the inverse quantizer, the arrangement shape of the temperature detection units inside the inverse quantizer is matched with the appearance of the inverse quantizer, and each temperature detection unit is used for sensing the temperature of the position where the temperature detection unit is located to serve as real-time temperature output;
the humidity analysis equipment is respectively connected with the humidity detection units and used for receiving the real-time humidities output by the humidity detection units and performing weighted average operation on the real-time humidities to obtain an internal humidity reference value;
the temperature analysis equipment is respectively connected with the plurality of temperature detection units and used for receiving the plurality of real-time temperatures respectively output by the plurality of temperature detection units and performing weighted average operation on the plurality of real-time temperatures to obtain an internal temperature reference value;
the voice playing device is respectively connected with the temperature analysis device and the humidity analysis device, and is used for receiving the internal temperature reference value and the internal humidity reference value and carrying out real-time voice playing on the internal temperature reference value and the internal humidity reference value;
the quartz resonator is arranged near the inverse quantizer and used for providing an operating clock frequency which is in direct proportion to the oscillation frequency for the inverse quantizer based on the oscillation frequency of the quartz resonator;
the parameter analysis equipment is arranged inside the inverse quantizer and used for detecting the heat inside the inverse quantizer to serve as the current emitted heat to be output;
the threshold comparison equipment is connected with the parameter analysis equipment and is used for receiving the current heat emission and sending out a heat overhigh signal when the received current heat emission is greater than or equal to a preset heat threshold;
the oscillation driving device is respectively connected with the quartz resonator and the threshold value comparison device and is used for reducing the oscillation frequency of the quartz resonator based on the value of the current heat dissipation quantity when the over-high heat signal is received;
the threshold comparison device is further used for sending a heat normal signal when the current heat emission is smaller than the preset heat threshold;
wherein the oscillation driving device is further used for maintaining the oscillation frequency of the quartz resonator when the heat normal signal is received.
2. The video data decoding analysis system of claim 1, wherein:
in the oscillation driving apparatus, decreasing the oscillation frequency of the quartz resonator based on the value of the currently dissipated heat includes: the higher the current value of the heat emitted, the greater the reduction of the oscillation frequency of the quartz resonator.
3. The video data decoding analysis system of claim 2, wherein:
and when the working frequency of the inverse quantizer is reduced, corresponding reduction operation is carried out.
4. The video data decoding analysis system of claim 3, wherein:
the inverse quantizer is implemented by a programmable logic device, which is designed by VHDL.
5. The video data decoding analysis system of claim 4, wherein:
and the inverse quantizer and the inverse scanner are in data connection and data interaction through a 16-bit parallel data interface.
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| US8643444B2 (en) * | 2012-06-04 | 2014-02-04 | Broadcom Corporation | Common reference crystal systems |
| CN104777854A (en) * | 2015-04-16 | 2015-07-15 | 福州瑞芯微电子有限公司 | Temperature control method for semiconductor device |
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Denomination of invention: Video data decoding and analysis system Effective date of registration: 20230128 Granted publication date: 20200911 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: Zhejiang Huayan Vision Technology Co.,Ltd. Registration number: Y2023330000243 |