CN112948303A - Audio and video decoding device and method for adapting server by taking U.2 as transmission interface - Google Patents
Audio and video decoding device and method for adapting server by taking U.2 as transmission interface Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 19
- 230000006978 adaptation Effects 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/76—Architectures of general purpose stored program computers
- G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
- G06F15/7807—System on chip, i.e. computer system on a single chip; System in package, i.e. computer system on one or more chips in a single package
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0038—System on Chip
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention discloses an audio and video decoding device and method using U.2 as transmission interface adaptation server, wherein the audio and video decoding device comprises: a board card; the operation processing unit module is arranged on the board card and comprises a system-on-chip and a double-rate memory module, wherein the double-rate memory module is connected with the system-on-chip; the external interface unit is arranged on the board card and comprises an U.2 interface, a USB2.0 interface and a UART interface, wherein the U.2 interface, the USB2.0 interface and the UART interface are respectively connected with the system level chip; and the power conversion module is arranged on the board card and is respectively connected with the U.2 interface, the USB2.0 interface, the UART interface, the double-rate memory module and the system-level chip.
Description
Technical Field
The invention relates to the technical field of computers, in particular to audio and video decoding equipment and method for an adaptation server by taking U.2 as a transmission interface.
Background
With the rapid development of economy in China, a video monitoring system is rapidly developed, and the video monitoring system is developed from an initial analog monitoring system to a digital intelligent video monitoring system. The intellectualization of the monitoring function is an indispensable development direction, and has shown good application value in many fields such as administrative supervision, information service, government industry application, individuals, small and medium-sized enterprises and the like, especially in the security industry. The security industry occupies a quite important position in the field of video monitoring, along with the improvement of the quality of a lens and the performance of a sensor, the resolution of videos and images is higher and higher, and in a monitoring project, a plurality of computers or other equipment are required to access the videos of the cameras through a network in some projects. However, the hardware performance of the general hard disk camera is limited, and if the amount of information accessed through the network is too large, the normal transmission cannot be performed or the transmission is unstable.
In addition, if one streaming media server is added, the streaming media server directly accesses the camera, and other devices access the streaming media server, so that the requirement that multiple devices simultaneously access the camera through the network can be met, but the centralized processing mode puts a greater requirement on the data processing capacity of the central computer, so that an accelerator card which is specially used for audio and video decoding and has high image processing capacity and low power consumption needs to be designed to be matched with the server for use, so as to expand the application of the server, and further effectively improve the processing capacity of the server.
Disclosure of Invention
In order to solve the above problems, the present invention provides an audio/video decoding device and method using U.2 as a transmission interface adaptation server, which are used in combination with a server to establish an extended application of the server, so as to effectively reduce the calculation amount of the server, improve the server density, and enhance the server processing capability.
In order to achieve the above object, the present invention provides an audio/video decoding device using U.2 as a transmission interface adaptation server, comprising:
a board card;
the operation processing unit module is arranged on the board card and comprises a system-on-chip and a double-rate memory module, wherein the double-rate memory module is connected with the system-on-chip;
the external interface unit is arranged on the board card and comprises an U.2 interface, a USB2.0 interface and a UART interface, wherein the U.2 interface, the USB2.0 interface and the UART interface are respectively connected with the system level chip;
and the power conversion module is arranged on the board card and is respectively connected with the U.2 interface, the USB2.0 interface, the UART interface, the double-rate storage module and the system-level chip.
In an embodiment of the present invention, the system-on-chip is a haisi audio/video processing chip.
In an embodiment of the present invention, the double-data-rate memory module includes 4 double-data-rate memory chips with a capacity of 8 Gb.
In an embodiment of the present invention, the U.2 interface includes a PCIE Gen2 × 2 module, a 12V power module, and a reset signal module, which are used to connect to the server host.
In an embodiment of the present invention, the USB2.0 interface and the UART interface are reserved interfaces for extending an external device.
In an embodiment of the present invention, the board card is a printed circuit board, and the size of the printed circuit board is the size of a standard 2.5 inch solid state drive hard disk.
In an embodiment of the present invention, the power conversion module includes a plurality of power conversion chips, and is configured to convert a 12V voltage obtained from the server into a voltage required by each module on the board.
In order to achieve the above object, the present invention further provides an audio/video decoding method using U.2 as a transmission interface adaptation server, which includes the following steps:
step 1: a system-on-chip acquires a PCIE Gen2 x 2 signal, an external reset signal and a 12V power supply signal from a server host through an U.2 interface, wherein the PCIE Gen2 x 2 signal comprises a data stream to be decoded;
step 2: a plurality of power conversion chips in the power conversion module convert the acquired 12V power signals into working voltages required by different modules on the board card and respectively supply power to the USB2.0 interface, the UART interface, the double-rate memory module and the system level chip;
and step 3: after the system level chip is electrified, decoding the acquired data stream to be decoded, and storing the data in a double-rate storage module;
and 4, step 4: when external equipment needs to be accessed, the equipment is accessed through a USB2.0 interface or a UART interface.
Compared with the existing streaming media decoding processing mode, the audio and video decoding device and the method which adopt U.2 as the transmission interface and adapt to the server establish the server expansion application by matching the server, can improve the server density and enhance the processing efficiency of the server, have the characteristic of low power consumption, and can save resources and reduce cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a system architecture diagram of one embodiment of the present invention;
FIG. 2 is a flowchart of a method according to an embodiment of the present invention.
Description of reference numerals: 10-board card; 101-system level chip; 102-U.2 interface; 103-USB2.0 interface; 104-a UART interface; 105-double rate memory module; 106-power conversion module; 1021-PCIE Gen2 × 2 module; 1022-12V power supply modules; 1023-a reset signal module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example one
Fig. 1 is a system architecture diagram of an embodiment of the present invention, and as shown in fig. 1, the embodiment provides an audio/video decoding device that adapts a server using U.2 (also known as SFF-8639, a host interface scheme) as a transmission interface, and includes:
a board card (10);
the operation processing unit module is arranged on the board card (10) and comprises a System On Chip (SOC) (101) and a Double Data Rate (DDR) storage module (105), wherein the DDR storage module (105) is connected with the SOC (SOC) (101);
an external interface unit, which is disposed on the board card (10), and includes an U.2 interface (102), a USB2.0(Universal Serial bus) interface (103), and a UART (Universal Asynchronous Receiver/Transmitter) interface (104), wherein the U.2 interface (102), the USB2.0 interface (103), and the UART interface (104) are respectively connected to a system on a chip (SOC) (101);
and the power conversion module (106) is arranged on the board card (10) and is respectively connected with the U.2 interface (102), the USB2.0 interface (103), the UART interface (104), the double-data-rate (DDR) storage module (105) and the System On Chip (SOC) (101).
In this embodiment, a haisi-series audio/video processing chip is used as a System On Chip (SOC) (101) to ensure that the audio/video decoding card device has high-efficiency audio/video processing capability.
In this embodiment, the Double Data Rate (DDR) memory module (105) includes 4 Double Data Rate (DDR) memory chips with a capacity of 8Gb, so as to ensure that the audio/video decoding card device has sufficient memory capability.
The operation processing unit module of the embodiment ensures that the audio and video decoding equipment has high-efficiency and low-power consumption processing capability.
In this embodiment, the U.2 interface (102) includes a PCIE (peripheral component interconnect express, a high-speed serial computer expansion bus standard) Gen2 (second generation standard, which is written as 2.0) × 2 (i.e. the bus number is 2) module (1021), a 12V power module (1022), and a reset signal (REST) module (1023), and is configured to be connected to the server host, where the PCIE Gen2 × 2 module (1021) is configured to transmit audio/video stream data, the 12V power module (1022) is configured to supply power to the entire audio/video decoding apparatus, and the reset signal (REST) module (1023) is configured to transmit an external reset signal (REST).
In the embodiment, the USB2.0 interface (103) and the UART interface (104) are reserved interfaces for extending external devices.
In this embodiment, the Board card (10) is a PCB (Printed Circuit Board) Board, and the size of the PCB Board is a standard 2.5 inch Solid State Drive (SSD) hard Disk size. The whole form of equipment satisfies standard 2.5 cun SSD hard disk specification, can make things convenient for the integrated circuit board rationally to pack into 2.5 cun hard disk storehouse to through U.2 interfaces, the hard disk groove of adaptation server 2.5 cun, thereby insert the server.
In the embodiment, the power conversion module (106) includes a plurality of power conversion chips (ICs) for converting the 12V voltage obtained from the server into the voltage required by each module on the board. U.2 interface (102) is the input power interface of the whole audio/video decoding device, and the power conversion module (106) can provide the required working voltage for USB2.0 interface (103), UART interface (104), double rate (DDR) storage module (105) and System On Chip (SOC) (101), through the power conversion of a plurality of power conversion chips (IC), can realize the purpose of providing the corresponding power supply according to the demand of each module on the board card.
Example two
Fig. 2 is a flowchart of a method according to an embodiment of the present invention, and as shown in fig. 1 and fig. 2, the embodiment provides an audio and video decoding method using U.2 as a transmission interface adaptation server, which is implemented by the aforementioned audio and video decoding device, and includes the following steps:
step 1: a System On Chip (SOC) (101) acquires a PCIE Gen2 x 2 signal, an external reset signal (REST) and a 12V power supply signal from a server host through an U.2 interface (102), wherein the PCIE Gen2 x 2 signal comprises a data stream to be decoded;
step 2: a plurality of power conversion chips (IC) in a power conversion module (106) acquire a 12V power signal from a server through an U.2 interface (102), convert the power signal into working voltages required by different modules on a board card, and respectively supply power to a USB2.0 interface (103), a UART interface (104), a double-rate (DDR) storage module (105) and a system-level chip (SOC) (101), so that the double-rate (DDR) storage module (105) and the system-level chip (SOC) (101) can be normally powered on to work, and the USB2.0 interface (103) and the UART interface (104) have the capability of providing the working voltages for peripheral equipment.
And step 3: after a System On Chip (SOC) (101) is powered on, decoding the acquired data stream to be decoded, and storing the data in a Double Data Rate (DDR) storage module (105);
and 4, step 4: when an external device needs to be accessed, the device is accessed through a USB2.0 interface (103) or a UART interface (104).
Because the whole form of the audio and video decoding equipment meets the standard 2.5-inch SSD hard disk specification, the audio and video decoding equipment can be reasonably installed in a standard 2.5-inch hard disk bin, and then is inserted into a server 2.5-inch hard disk slot through an U.2 interface, so that the audio and video signals transmitted through PCIE Gen2 multiplied by 2 can be decoded by matching with the server.
Compared with the existing streaming media decoding processing mode, the audio and video decoding device and the method which adopt U.2 as the transmission interface and adapt to the server establish the server expansion application by matching the server, can improve the server density and enhance the processing efficiency of the server, have the characteristic of low power consumption, and can save resources and reduce cost.
Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An audio-video decoding device using U.2 as a transmission interface adaptation server, characterized by comprising:
a board card;
the operation processing unit module is arranged on the board card and comprises a system-on-chip and a double-rate memory module, wherein the double-rate memory module is connected with the system-on-chip;
the external interface unit is arranged on the board card and comprises an U.2 interface, a USB2.0 interface and a UART interface, wherein the U.2 interface, the USB2.0 interface and the UART interface are respectively connected with the system level chip;
and the power conversion module is arranged on the board card and is respectively connected with the U.2 interface, the USB2.0 interface, the UART interface, the double-rate storage module and the system-level chip.
2. The audio-video decoding device according to claim 1, wherein the system-on-chip is a haisi audio-video processing chip.
3. The audio-video decoding device according to claim 1, wherein the double-rate memory module comprises 4 double-rate memory chips with a capacity of 8 Gb.
4. The audio-video decoding device according to claim 1, wherein the U.2 interface includes a PCIE Gen2 × 2 module, a 12V power module, and a reset signal module, and is configured to connect to a server host.
5. The audio-video decoding device according to claim 1, wherein the USB2.0 interface and the UART interface are reserved interfaces for extending external devices.
6. The audio-video decoding device of claim 1, wherein the board is a printed circuit board sized to a standard 2.5 "solid state drive hard disk size.
7. The audio and video decoding device according to claim 1, wherein the power conversion module includes a plurality of power conversion chips, and is configured to convert a 12V voltage obtained from the server into a voltage required by each module on the board.
8. An audio and video decoding method using U.2 as a transmission interface adaptation server, which is realized by the audio and video decoding device of any claim 1-7, and is characterized by comprising the following steps:
step 1: a system-on-chip acquires a PCIE Gen2 x 2 signal, an external reset signal and a 12V power supply signal from a server host through an U.2 interface, wherein the PCIE Gen2 x 2 signal comprises a data stream to be decoded;
step 2: a plurality of power conversion chips in the power conversion module convert the acquired 12V power signals into working voltages required by different modules on the board card and respectively supply power to the USB2.0 interface, the UART interface, the double-rate memory module and the system level chip;
and step 3: after the system level chip is electrified, decoding the acquired data stream to be decoded, and storing the data in a double-rate storage module;
and 4, step 4: when external equipment needs to be accessed, the equipment is accessed through a USB2.0 interface or a UART interface.
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| CN202110285362.XA CN112948303A (en) | 2021-03-17 | 2021-03-17 | Audio and video decoding device and method for adapting server by taking U.2 as transmission interface |
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