CN111010573A - Video compression storage device and method based on semi-physical simulation technology - Google Patents
Video compression storage device and method based on semi-physical simulation technology Download PDFInfo
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- CN111010573A CN111010573A CN201911270299.1A CN201911270299A CN111010573A CN 111010573 A CN111010573 A CN 111010573A CN 201911270299 A CN201911270299 A CN 201911270299A CN 111010573 A CN111010573 A CN 111010573A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
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Abstract
The invention provides video compression storage equipment and a method based on a semi-physical simulation technology, which comprise a main control module, an interface module, a video acquisition module, a compression storage module, a video output module and a power supply module, wherein the main control module is used for controlling the interface module to be in a video compression mode; the interface module comprises a network interface, a clock control interface, a video input interface and a video output interface; the main control module is in communication connection with the interface module, the video output module and the compression storage module, the output end of the video acquisition module is connected with the input ends of the main control module and the compression storage module, and the output end of the compression storage module is connected with the input end of the video output module; the invention can receive the command sent by the external equipment through the network interface through the interface module, acquire the video through the video acquisition module, compress the acquired video and store the compressed video in the compression storage module, and play back the video through the video output module when the command of the external equipment is obtained, thereby realizing the rapid compression, storage and playback of the video under the semi-physical simulation environment.
Description
Technical Field
The invention relates to the field of ship cannon semi-physical simulation and the field of video compression and rapid storage, in particular to video compression and storage equipment based on a semi-physical simulation technology.
Background
In the field of traditional naval cannons, a semi-physical simulation technology is usually adopted for training; the semi-physical simulation technology is that a simulation means is adopted to drive a real gun system to work and simulate the gun system to strike; in the test process, a real gun system participates, and an analog simulation part also exists, so that the test is named as semi-physical simulation.
The current gun weapon system generally comprises a photoelectric tracking assembly, wherein the photoelectric tracking assembly is used for acquiring videos in a semi-physical simulation environment, such as the videos of gun system work and striking; however, in the field of ship-cannon semi-physical simulation technology, a large amount of video data with different formats needs to be used, but no equipment capable of recording and storing the video data exists in the field at present.
Disclosure of Invention
The invention aims to provide video compression storage equipment based on a semi-physical simulation technology, which can realize the rapid compression, storage and playback of videos in a semi-physical simulation environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a video compression storage device based on a semi-physical simulation technology comprises a main control module, an interface module, a video acquisition module, a compression storage module, a video output module and a power supply module;
the power supply module is used for supplying power to the main control module, the interface module, the video acquisition module, the compression storage module and the video output module;
the interface module comprises a network interface, a clock control interface, a video input interface and a video output interface; the network interface is used for receiving an externally input control command from a network and sending the working state of the equipment to the outside; the clock control interface is used for receiving an external synchronous clock and sending the external synchronous clock to the main control module; the video input interface is used for receiving an external video and sending the external video to the video acquisition module; the video output module is used for outputting the video decompressed and converted by the video output module to other equipment when the video is played back;
the video acquisition module is used for decoding an externally input video signal and converting the video signal into an electric signal which is easy to process by the processor;
the compression storage module is used for compressing and storing the data converted by the video acquisition module; when data are played back, the data are taken out from the storage module, decompressed by the coding chip and sent to the video output module;
the video output module is used for coding the video data compressed by the compression storage module, converting the video data into corresponding video format data and sending the video format data to external equipment;
the main control module is in communication connection with the interface module, the video output module and the compression storage module, the output end of the video acquisition module is connected with the input ends of the main control module and the compression storage module, and the output end of the compression storage module is connected with the input end of the video output module.
The main control module adopts an ARM processor.
The video acquisition module comprises a first FPGA processor, a plurality of paths of video acquisition channels, photoelectric tracking assemblies and decoding assemblies which correspond one by one, wherein the output end of each decoding assembly is connected with the input end of the first FPGA processor; the photoelectric tracking assembly is used for collecting videos in a semi-physical simulation environment through a video collecting channel.
The compression storage module comprises an encoding and decoding chip and a plurality of solid-state storage modules, and the encoding and decoding chip is in communication connection with the solid-state storage modules; the coding and decoding chip is used for compressing and decompressing the data converted by the video acquisition module.
The video output module comprises a second FPGA processor, a plurality of paths of coding components, photoelectric tracking components and video output channels which are in one-to-one correspondence, and the output end of each coding component is connected with the input end of the second FPGA processor; the photoelectric tracking assembly is used for outputting videos through a video output channel.
A video compression storage method based on a semi-physical simulation technology comprises the following steps:
step 1: after the power module powers on the equipment, the equipment automatically enters a video acquisition mode and waits for a network interface to receive a command of starting to acquire a video;
step 2: after the network interface receives a command of starting to acquire the video, the main control module controls the video acquisition module to start to acquire the video and sends the acquired video to the compression storage module for compression and storage;
and step 3: when the network interface receives a command of stopping collecting the video or the storage capacity of the compression storage module is full, the main control module controls the video collection module to stop collecting;
and 4, step 4: the network interface receives a video file viewing command and feeds back a video file directory structure and file information stored by the compression storage module through the network interface;
and 5: the network interface receives the video playback command, the main control module controls the compression storage module to read and decompress video data, and the video output module sends the video to other equipment according to the protocol format.
Further comprising the steps of: when the network interface receives the video fast playing and fast backing commands, the main control module controls the decoding rate of the compression storage module and sends the video with the corresponding rate to other equipment according to the protocol format.
The invention has the beneficial effects that:
according to the video compression storage device and method based on the semi-physical simulation technology, the interface module can receive a command sent by an external device through a network interface, the video acquisition module acquires a video, the acquired video is compressed and stored in the compression storage module, and finally when the command of the external device is obtained, the video is played back through the video output module, so that the video can be rapidly compressed, stored and played back in the semi-physical simulation environment.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a video capture module according to the present invention;
FIG. 3 is a schematic structural diagram of a compressed memory module according to the present invention;
FIG. 4 is a schematic structural diagram of a video output module according to the present invention;
fig. 5 is a schematic structural diagram of the interface module according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1: the invention relates to a video compression storage device based on a semi-physical simulation technology, which comprises a main control module, an interface module, a video acquisition module, a compression storage module, a video output module and a power supply module, wherein the main control module is used for controlling the interface module to be in a video compression state; the power module is used for supplying power for the main control module, the interface module, the video acquisition module, the compression storage module and the video output module, and is specific: the power supply module is responsible for providing stable direct current power supply for each module in the equipment, namely, an externally input AC220V/50Hz power supply is rectified and filtered and then converted into the direct current power supply required by each module through a DC-DC component; as shown in fig. 5: the interface module comprises a network interface, a clock control interface, a video input interface and a video output interface; the network interface is used for receiving an externally input control command from a network and sending the working state of the equipment to the outside; the clock control interface is used for receiving an external synchronous clock and sending the external synchronous clock to the main control module; the video input interface is used for receiving an external video and sending the external video to the video acquisition module; the video output module is used for outputting the video decompressed and converted by the video output module to other equipment when the video is played back; the video acquisition module is used for decoding an externally input video signal and converting the video signal into an electric signal which is easy to process by the processor, and particularly comprises a plurality of paths of video acquisition channels, and the video acquisition module can acquire and decode a plurality of paths of videos at the same time under the command of external equipment; the compression storage module is used for compressing and storing the data converted by the video acquisition module; when data are played back, the data are taken out from the storage module, decompressed by the coding chip and sent to the video output module; the video output module is used for coding the video data compressed by the compression storage module, converting the video data into corresponding video format data and sending the video format data to external equipment; the main control module is in communication connection with the interface module, the video output module and the compression storage module, the output end of the video acquisition module is connected with the input ends of the main control module and the compression storage module, and the output end of the compression storage module is connected with the input end of the video output module.
Preferably: the main control module adopts an ARM processor, selects a Linux operating system and is mainly responsible for controlling the working process of the equipment, analyzing an external command and controlling the work of other modules.
As shown in fig. 2: preferably: the video acquisition module comprises a first FPGA processor, a plurality of paths of video acquisition channels, photoelectric tracking assemblies and decoding assemblies which correspond one by one, wherein the output end of each decoding assembly is connected with the input end of the first FPGA processor; specifically, the video acquisition channel, the photoelectric tracking assembly and the decoding assembly are connected in sequence and then connected with the input end of the first FPGA processor; the photoelectric tracking assembly is used for acquiring videos in a semi-physical simulation environment through a video acquisition channel; the output end of the first FPGA processor is used as the output end of the video acquisition module and is connected with the input ends of the main control module and the compression storage module.
As shown in fig. 3: preferably: the compression storage module comprises an H.264 coding and decoding chip and a plurality of solid-state storage modules, and the coding and decoding chip is in communication connection with the solid-state storage modules; the coding and decoding chip is used for compressing and decompressing the data converted by the video acquisition module; and when the data is played back, the data is taken out of the storage module, decompressed by the coding chip and sent to the video output module.
As shown in fig. 4: preferably: the video output module comprises a second FPGA processor, a plurality of paths of coding components, photoelectric tracking components and video output channels which are in one-to-one correspondence, wherein the input end of each coding component is connected with the output end of the second FPGA processor; specifically, the output end of the second FPGA processor, the decoding component, the photoelectric tracking component and the video acquisition channel are sequentially connected; the photoelectric tracking assembly is used for outputting videos through a video output channel.
According to the video compression storage device based on the semi-physical simulation technology, the interface module can receive a command sent by an external device through a network interface, the video acquisition module acquires a video, the acquired video is compressed and stored in the compression storage module, and finally when the command of the external device is obtained, the video is played back through the video output module, so that the video can be rapidly compressed, stored and played back in the semi-physical simulation environment.
The invention relates to a video compression storage method based on a semi-physical simulation technology, which comprises the following steps:
step 1: after the power module powers on the equipment, the equipment automatically enters a video acquisition mode and waits for a network interface to receive a command of starting to acquire a video;
step 2: after the network interface receives a command of starting to acquire the video, the main control module controls the video acquisition module to start to acquire the video and sends the acquired video to the compression storage module for compression and storage;
and step 3: when the network interface receives a command of stopping collecting the video or the storage capacity of the compression storage module is full, the main control module controls the video collection module to stop collecting;
and 4, step 4: the network interface receives a video file viewing command and feeds back a video file directory structure and file information stored by the compression storage module through the network interface;
and 5: the network interface receives the video playback command, the main control module controls the compression storage module to read and decompress video data, and the video output module sends the video to other equipment according to the protocol format.
Preferably: when the network interface receives the video fast playing and fast backing commands, the main control module controls the decoding rate of the compression storage module and sends the video with the corresponding rate to other equipment according to the protocol format.
The video compression and storage method based on the semi-physical simulation technology can collect the video in the semi-physical simulation environment, and perform elegant and storage on the video, so as to realize rapid compression, storage and playback of the video in the semi-physical simulation environment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A video compression storage device based on semi-physical simulation technology is characterized in that: the device comprises a main control module, an interface module, a video acquisition module, a compression storage module, a video output module and a power supply module;
the power supply module is used for supplying power to the main control module, the interface module, the video acquisition module, the compression storage module and the video output module;
the interface module comprises a network interface, a clock control interface, a video input interface and a video output interface; the network interface is used for receiving an externally input control command from a network and sending the working state of the equipment to the outside; the clock control interface is used for receiving an external synchronous clock and sending the external synchronous clock to the main control module; the video input interface is used for receiving an external video and sending the external video to the video acquisition module; the video output module is used for outputting the video decompressed and converted by the video output module to other equipment when the video is played back;
the video acquisition module is used for decoding an externally input video signal and converting the video signal into an electric signal which is easy to process by the processor;
the compression storage module is used for compressing and storing the data converted by the video acquisition module; when data are played back, the data are taken out from the storage module, decompressed by the coding chip and sent to the video output module;
the video output module is used for coding the video data compressed by the compression storage module, converting the video data into corresponding video format data and sending the video format data to external equipment;
the main control module is in communication connection with the interface module, the video output module and the compression storage module, the output end of the video acquisition module is connected with the input ends of the main control module and the compression storage module, and the output end of the compression storage module is connected with the input end of the video output module.
2. The video compression storage device based on the semi-physical simulation technology as claimed in claim 1, wherein: the main control module adopts an ARM processor.
3. The video compression storage device based on the semi-physical simulation technology as claimed in claim 1, wherein: the video acquisition module comprises a first FPGA processor, a plurality of paths of video acquisition channels, photoelectric tracking assemblies and decoding assemblies which correspond one by one, wherein the output end of each decoding assembly is connected with the input end of the first FPGA processor; the photoelectric tracking assembly is used for collecting videos in a semi-physical simulation environment through a video collecting channel.
4. The video compression storage device based on the semi-physical simulation technology as claimed in claim 1, wherein: the compression storage module comprises an encoding and decoding chip and a plurality of solid-state storage modules, and the encoding and decoding chip is in communication connection with the solid-state storage modules; the coding and decoding chip is used for compressing and decompressing the data converted by the video acquisition module.
5. The video compression storage device based on the semi-physical simulation technology as claimed in claim 1, wherein: the video output module comprises a second FPGA processor, a plurality of paths of coding components, photoelectric tracking components and video output channels which are in one-to-one correspondence, and the output end of each coding component is connected with the input end of the second FPGA processor; the photoelectric tracking assembly is used for outputting videos through a video output channel.
6. The video compression and storage method based on the semi-physical simulation technology, which is performed by using the video compression and storage device based on the semi-physical simulation technology of claim 1, is characterized by comprising the following steps:
step 1: after the power module powers on the equipment, the equipment automatically enters a video acquisition mode and waits for a network interface to receive a command of starting to acquire a video;
step 2: after the network interface receives a command of starting to acquire the video, the main control module controls the video acquisition module to start to acquire the video and sends the acquired video to the compression storage module for compression and storage;
and step 3: when the network interface receives a command of stopping collecting the video or the storage capacity of the compression storage module is full, the main control module controls the video collection module to stop collecting;
and 4, step 4: the network interface receives a video file viewing command and feeds back a video file directory structure and file information stored by the compression storage module through the network interface;
and 5: the network interface receives the video playback command, the main control module controls the compression storage module to read and decompress video data, and the video output module sends the video to other equipment according to the protocol format.
7. The video compression and storage method based on the semi-physical simulation technology according to claim 5, further comprising the following steps: when the network interface receives the video fast playing and fast backing commands, the main control module controls the decoding rate of the compression storage module and sends the video with the corresponding rate to other equipment according to the protocol format.
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Patent Citations (4)
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| CN101005611A (en) * | 2006-12-31 | 2007-07-25 | 深圳市中科新业信息科技发展有限公司 | Net bar video frequency monitor and real name shooting method, system and device |
| CN101534423A (en) * | 2009-04-21 | 2009-09-16 | 东北大学 | Network video server based on embedded platform |
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