CN105100663A - Recording system based on hardware encoders, audio and video processing apparatus, and recording method - Google Patents
Recording system based on hardware encoders, audio and video processing apparatus, and recording method Download PDFInfo
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Abstract
The invention discloses a recording system based on hardware encoders. The recording system comprises N cameras, N hardware encoders, a recording server, and a memory, each camera corresponds to each hardware encoder, the cameras are used for shooting video frames of each area on the spot and outputting audio and video signals obtained by shooting to the corresponding hardware encoders, the hardware encoders are used for compressing the audio and video signals to network flows and outputting the network flows to the recording server, and the recording server is connected with each hardware encoder via the Ethernet and used for receiving the network flows, packaging the received network flows according to the file format, and writing the files in the memory after video files are formed. The invention also discloses a recording method of the recording system based on the hardware encoders. According to the recording system and the recording method, the compression of the audio and video signals is accomplished via the hardware encoders, a plurality of computers are saved, the system structure is simple, the cost is low, and the maintainability is good.
Description
Technical field
The present invention relates to audio frequency and video recording technology field, more specifically, relate to a kind of recording system based on hardware coder, audio frequency and video processing unit and method for recording.
Background technology
Existing audio frequency and video recording system, the mode that usual use computer adds capture card realizes the recording work of audio frequency and video, the epoch are recorded at HD video, in order to ensure definition, reduce video storage amount simultaneously, everybody generally adopts video code model H.264, but, H.264 said shank operand is very large, uses a high performance computer also can only compress the HD video of a road 1080i50 reluctantly, and can only form a road video file, dumb in application, make whole system cost up, structure is also complicated, and maintainability is bad.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of recording system based on hardware coder, audio frequency and video processing unit and method for recording, can solve the problem that the cost existed in prior art is high, complex structure, maintainability are bad.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, provide a kind of recording system based on hardware coder, comprise: N platform video camera, N platform hardware coder, Video Record Processor and memory, wherein, video camera, with hardware coder one_to_one corresponding, for the video pictures in each region of floor, export to hardware coder corresponding with it by taking the audio-video signal obtained; Hardware coder, for being compressed into network flow by audio-video signal and exporting to Video Record Processor; Video Record Processor, is connected with every platform hardware coder by Ethernet, for receiving each road network flow, the network flow received being carried out encapsulation according to file format and forms write memory after video file; Memory, is connected with Video Record Processor, for store video files.
Preferably, network flow comprises video flowing and audio stream, and video flowing is high bit-rate video stream and low bit-rate video stream.
Preferably, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive, also for being received each road height bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, are carried out encapsulation according to video format and form write memory after high bit-rate video file and low bit-rate video file by Video Record Processor.
On the other hand, additionally provide a kind of audio frequency and video processing unit, comprising: N number of hardware encoding block and recording module, wherein, hardware encoding block, for being compressed into network flow by audio-video signal and exporting to recording module; Record module, be connected with N number of hardware encoding block by Ethernet, for receiving network flow, the network flow received being carried out encapsulation according to file format and forms video file.
Preferably, network flow comprises video flowing and audio stream, and video flowing is high bit-rate video stream and low bit-rate video stream.
Preferably, record module also for being received high bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive are carried out encapsulation according to file format and forms high bit-rate video file and low bit-rate video file.
Another aspect, additionally provides a kind of method for recording of the recording system based on hardware coder, comprising: the video pictures in the N platform video camera difference each region of floor, exports to hardware coder corresponding with it by taking the audio-video signal obtained; Audio-video signal is compressed into network flow and exports to Video Record Processor by hardware coder; Video Record Processor receives each road network flow by Ethernet, the network flow received is carried out encapsulation according to file format and forms write memory after video file.
Preferably, audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream; Video Record Processor also receives each road height bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive is carried out encapsulation according to file format and forms write memory after high bit-rate video file and low bit-rate video file.
Another aspect, additionally provides a kind of method for recording of audio frequency and video processing unit, comprising: audio-video signal is compressed into network flow and exports to recording module; Receive network flow by Ethernet, the network flow received is carried out encapsulation according to file format and forms video file.
Preferably, the method also comprises: audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream; Receive high bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive are carried out encapsulation according to file format and forms high bit-rate video file and low bit-rate video file.
Technique effect of the present invention:
1. owing to using hardware coder that audio-video signal is compressed into network flow in system of the present invention, then the recording of Video Record Processor realization to network flow is used, a computer can be realized easily and record multichannel audio-video frequency signal simultaneously, meet the recording of HD video, ensure that the definition of video, reduce video storage amount;
2. whole system is completed the compression of audio-video signal by hardware coder, saves multiple stage computer, and therefore, system configuration is simple, and cost is low, maintainable good, good stability;
3. in system, audio-video signal can also be compressed into high bit-rate video stream, low bit-rate video stream and audio stream and export to Video Record Processor respectively by hardware coder, high bit-rate video stream may be used for after forming video file making, filing, low bit-rate video stream may be used for network direct broadcasting, video preview after forming video file, make in application more flexible, more convenient.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of a kind of recording system based on hardware coder according to the embodiment of the present invention one;
Fig. 2 shows and is arranged on the structural representation of Video Record Processor inside according to a kind of of the embodiment of the present invention one based on memory in the recording system of hardware coder;
Fig. 3 shows a kind of structural representation exporting a road network flow based on the hardware coder in the recording system of hardware coder according to the embodiment of the present invention two;
Fig. 4 shows a kind of structural representation exporting two-way network flow based on the hardware coder in the recording system of hardware coder according to the embodiment of the present invention two;
Fig. 5 shows the structural representation of a kind of audio frequency and video processing unit according to the embodiment of the present invention three;
Fig. 6 shows the structural representation exporting a road network flow according to the hardware encoding block in a kind of audio frequency and video processing unit of the embodiment of the present invention four;
Fig. 7 shows the structural representation exporting two-way network flow according to the hardware encoding block in a kind of audio frequency and video processing unit of the embodiment of the present invention four;
Fig. 8 shows the flow chart of the method for recording of a kind of recording system based on hardware coder according to the embodiment of the present invention five;
Fig. 9 shows the flow chart of the method for recording of a kind of audio frequency and video processing unit according to the embodiment of the present invention seven.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Embodiment one
Fig. 1 shows the structural representation of a kind of recording system based on hardware coder according to the embodiment of the present invention one, and as shown in Figure 1, this system comprises: N platform video camera 10, N platform hardware coder 20, Video Record Processor 30 and memory 40, wherein,
Video camera 10, with hardware coder 20 one_to_one corresponding, for the video pictures in each region of floor, exports to hardware coder 20 corresponding with it by taking the audio-video signal obtained;
Hardware coder 20, for being compressed into network flow by audio-video signal and exporting to Video Record Processor 30;
Wherein, the form of network flow can be: the stream format such as rtsp, TS, UDP;
Video Record Processor 30, is connected with every platform hardware coder 20 by Ethernet, for receiving each road network flow, the network flow received being carried out encapsulation according to file format and forms write memory 40 after video file;
Wherein, Video Record Processor 30 is computer, and the form of video file can be: MP4, TS, AVI etc.;
Memory 40, is connected with Video Record Processor 30, for store video files;
Wherein, it is inner that memory 40 also can be arranged on Video Record Processor 30, as shown in Figure 2, Video Record Processor 30 by packaged video file directly stored in memory 40.
Native system all right recorded video or audio frequency separately, when only needing the recording of video, audio signal directly filters when reception audio-video signal by hardware coder, is left intact to audio signal; When only needing the recording of audio frequency, equally, vision signal directly filters when reception audio-video signal by hardware coder, is left intact to vision signal.
Because embodiments of the invention use hardware coder that audio-video signal is compressed into network flow, then the recording of Video Record Processor realization to network flow is used, a computer can be realized easily and record multichannel audio-video frequency signal simultaneously, meet the recording of HD video, ensure that the definition of video, reduce video storage amount; Meanwhile, whole system completes the compression of audio-video signal by hardware coder, saves multiple stage computer, and therefore, system configuration is simple, and cost is low, maintainable good, good stability.
Embodiment two
Fig. 3 shows the structural representation of a kind of recording system based on hardware coder according to the embodiment of the present invention two; As shown in Figure 3, the network flow that hardware coder 20 exports comprises video flowing and audio stream, and wherein, video flowing is high bit-rate video stream and low bit-rate video stream;
The high bit-rate video stream, low bit-rate video stream and the audio stream that receive, also for being received each road height bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, are carried out encapsulation according to file format and form write memory 40 after high bit-rate video file and low bit-rate video file by Video Record Processor 30.
High code stream video file may be used for making, filing, and low bit-rate video file may be used for network direct broadcasting, video preview.
Audio-video signal is compressed into a road network flow by some hardware coders 20, and this network flow is divided into high bit-rate video stream, low bit-rate video stream and audio stream, embodiment namely described above; But namely audio-video signal can be compressed into two-way network flow by some encoders 20: a road network flow is high bit-rate video stream and audio stream, and another road network flow is low bit-rate video stream and audio stream, as shown in Figure 4.
In embodiments of the invention, audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream and exports to Video Record Processor respectively by hardware coder, high bit-rate video stream may be used for after forming video file making, filing, low bit-rate video stream may be used for network direct broadcasting, video preview after forming video file, make in application more flexible, more convenient.
Embodiment three
Fig. 5 shows the structural representation of a kind of audio frequency and video processing unit according to the embodiment of the present invention three; As shown in Figure 5, this device comprises: N number of hardware encoding block 100 and recording module 200, wherein,
Hardware encoding block 100, records module 200 for audio-video signal being compressed into network flow and exporting to;
Wherein, the form of network flow can be: the stream format such as rtsp, TS, UDP;
Record module 200, be connected with N number of hardware encoding block 100 by Ethernet, for receiving network flow, the network flow received being carried out encapsulation according to file format and forms video file.
Wherein, recording module 200 is computer, and the form of video file can be: MP4, TS, AVI etc.
Because embodiments of the invention use hardware encoding block that audio-video signal is compressed into network flow, then use and record the recording of module realization to network flow, a computer can be realized easily and record multichannel audio-video frequency signal simultaneously, meet the recording of HD video, ensure that the definition of video, reduce video storage amount; Meanwhile, whole device completes the compression of audio-video signal by hardware encoding block, saves multiple stage computer, and therefore, system configuration is simple, and cost is low, maintainable good, good stability.
Embodiment four
Fig. 6 shows the structural representation of a kind of audio frequency and video processing unit according to the embodiment of the present invention four; As shown in Figure 6, the network flow that hardware encoding block 100 exports comprises video flowing and audio stream, and video flowing is high bit-rate video stream and low bit-rate video stream;
Record module 200 also for being received high bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive are carried out encapsulation according to file format and forms high bit-rate video file and low bit-rate video file.
High code stream video file may be used for making, filing, and low bit-rate video file may be used for network direct broadcasting, video preview.
Audio-video signal is compressed into a road network flow by some hardware encoding block 100, and this network flow is divided into high bit-rate video stream, low bit-rate video stream and audio stream, embodiment namely described above; But namely audio-video signal can be compressed into two-way network flow by some coding modules 100: a road network flow is high bit-rate video stream and audio stream, and another road network flow is low bit-rate video stream and audio stream, as shown in Figure 7.
In embodiments of the invention, audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream and exports to recording module respectively by hardware encoding block, high bit-rate video stream may be used for after forming video file making, filing, low bit-rate video stream may be used for network direct broadcasting, video preview after forming video file, make in application more flexible, more convenient.
Embodiment five
Fig. 8 shows the flow chart of the method for recording of a kind of recording system based on hardware coder according to the embodiment of the present invention five, as shown in Figure 8, comprises the following steps:
The video pictures in step S801, the N platform video camera difference each region of floor, exports to hardware coder corresponding with it by taking the audio-video signal obtained;
Step S802, audio-video signal is compressed into network flow and exports to Video Record Processor by hardware coder;
Wherein, the form of network flow can be: the stream format such as rtsp, TS, UDP;
Step S803, Video Record Processor receives each road network flow by Ethernet, the network flow received is carried out encapsulation according to file format and forms write memory after video file;
Wherein, the form of video file can be: MP4, TS, AVI etc.
Embodiments of the invention use hardware coder that audio-video signal is compressed into network flow, then the recording of Video Record Processor realization to network flow is used, a computer can be realized easily and record multichannel audio-video frequency signal simultaneously, meet the recording of HD video, ensure that the definition of video, reduce video storage amount.
Embodiment six
In step S802 in embodiment five, audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream by hardware coder;
In step S803, Video Record Processor also receives each road height bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive is carried out encapsulation according to file format and forms write memory after high bit-rate video file and low bit-rate video file.
High code stream video file may be used for making, filing, and low bit-rate video file may be used for network direct broadcasting, video preview.
In embodiments of the invention, audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream and exports to Video Record Processor respectively by hardware coder, high bit-rate video stream may be used for after forming video file making, filing, low bit-rate video stream may be used for network direct broadcasting, video preview after forming video file, make in application more flexible, more convenient.
Embodiment seven
Fig. 9 shows the flow chart of the method for recording of a kind of audio frequency and video processing unit according to the embodiment of the present invention seven; As shown in Figure 9, comprise the following steps:
Step S901, is compressed into network flow by audio-video signal;
Wherein, the form of network flow can be: the stream format such as rtsp, TS, UDP;
Step S902, receives network flow by Ethernet, the network flow received is carried out encapsulation according to file format and forms video file;
Wherein, the form of video file can be: MP4, TS, AVI etc.
Embodiments of the invention use hardware encoding block that audio-video signal is compressed into network flow, then use and record the recording of module realization to network flow, a computer can be realized easily and record multichannel audio-video frequency signal simultaneously, meet the recording of HD video, ensure that the definition of video, reduce video storage amount.
Embodiment eight
Audio-video signal can also be compressed into high bit-rate video stream, low bit-rate video stream and audio stream by the step S901 in embodiment seven;
Step S902 can also receive high bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the high bit-rate video stream, low bit-rate video stream and the audio stream that receive is carried out encapsulation according to file format and forms high bit-rate video file and low bit-rate video file.
High code stream video file may be used for making, filing, and low bit-rate video file may be used for network direct broadcasting, video preview.
In embodiments of the invention, audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream and exports to recording module respectively by hardware encoding block, high bit-rate video stream may be used for after forming video file making, filing, low bit-rate video stream may be used for network direct broadcasting, video preview after forming video file, make in application more flexible, more convenient.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: owing to using hardware coder that audio-video signal is compressed into network flow in system of the present invention, then the recording of Video Record Processor realization to network flow is used, a computer can be realized easily and record multichannel audio-video frequency signal simultaneously, meet the recording of HD video, ensure that the definition of video, reduce video storage amount; Whole system completes the compression of audio-video signal by hardware coder, saves multiple stage computer, and therefore, system configuration is simple, and cost is low, maintainable good, good stability; In system, audio-video signal can also be compressed into high bit-rate video stream, low bit-rate video stream and audio stream and export to Video Record Processor respectively by hardware coder, high bit-rate video stream may be used for after forming video file making, filing, low bit-rate video stream may be used for network direct broadcasting, video preview after forming video file, make in application more flexible, more convenient.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. based on a recording system for hardware coder, it is characterized in that, comprising: N platform video camera, N platform hardware coder, Video Record Processor and memory, wherein,
Described video camera, with described hardware coder one_to_one corresponding, for the video pictures in each region of floor, exports to described hardware coder corresponding with it by taking the audio-video signal obtained;
Described hardware coder, for being compressed into network flow by described audio-video signal and exporting to described Video Record Processor;
Described Video Record Processor, is connected with hardware coder described in every platform by Ethernet, for receiving network flow described in each road, is carried out writing described memory after encapsulation forms video file by the described network flow received according to file format;
Described memory, is connected with described Video Record Processor, for storing described video file.
2. the recording system based on hardware coder according to claim 1, is characterized in that, described network flow comprises video flowing and audio stream, and described video flowing is high bit-rate video stream and low bit-rate video stream.
3. the recording system based on hardware coder according to claim 2, it is characterized in that, the described high bit-rate video stream received, described low bit-rate video stream and described audio stream, also for being received high bit-rate video stream described in each road, described low bit-rate video stream and described audio stream by Ethernet, carry out writing described memory after encapsulation forms high bit-rate video file and low bit-rate video file according to file format by described Video Record Processor.
4. an audio frequency and video processing unit, in recording system, is characterized in that, comprising: N number of hardware encoding block and recording module, wherein,
Each described hardware encoding block, for being compressed into network flow by audio-video signal and exporting to described recording module;
Described recording module, is connected with N number of described hardware encoding block by Ethernet, for receiving described network flow, the described network flow received being carried out encapsulation according to file format and forms video file.
5. video process apparatus according to claim 4, is characterized in that, described network flow comprises video flowing and audio stream, and described video flowing is high bit-rate video stream and low bit-rate video stream.
6. video process apparatus according to claim 5, it is characterized in that, the described high bit-rate video stream received, described low bit-rate video stream and described audio stream, also for being received described high bit-rate video stream, described low bit-rate video stream and described audio stream by Ethernet, are carried out encapsulation according to file format and form high bit-rate video file and low bit-rate video file by described recording module.
7. based on a method for recording for the recording system of hardware coder, it is characterized in that, comprising:
The video pictures in the N platform video camera difference each region of floor, exports to hardware coder corresponding with it by taking the audio-video signal obtained;
Described audio-video signal is compressed into network flow and exports to Video Record Processor by described hardware coder;
Described Video Record Processor receives network flow described in each road by Ethernet, the described network flow received is carried out encapsulation according to file format and forms write memory after video file.
8. the method for recording of the recording system based on hardware coder according to claim 7, is characterized in that:
Described audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream;
Described Video Record Processor also receives high bit-rate video stream described in each road, described low bit-rate video stream and audio stream by Ethernet, the described high bit-rate video stream received, described low bit-rate video stream and audio stream is carried out writing described memory after encapsulation forms high bit-rate video file and low bit-rate video file according to file format.
9. a method for recording for audio frequency and video processing unit, is characterized in that, comprising:
Audio-video signal is compressed into network flow;
Receive described network flow by Ethernet, the described network flow received is carried out encapsulation according to file format and forms video file.
10. the method for recording of audio frequency and video processing unit according to claim 9, is characterized in that:
Described audio-video signal is compressed into high bit-rate video stream, low bit-rate video stream and audio stream;
Receive described high bit-rate video stream, low bit-rate video stream and audio stream by Ethernet, the described high bit-rate video stream, low bit-rate video stream and the audio stream that receive are carried out encapsulation according to file format and forms high bit-rate video file and low bit-rate video file.
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| CN103442203A (en) * | 2013-07-26 | 2013-12-11 | 浙江工业大学 | Network video monitoring system and method based on DM365 |
| CN203912077U (en) * | 2014-05-15 | 2014-10-29 | 北京同步科技有限公司 | Hardware coder-based recording system and video/audio processing device |
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| CN107370975A (en) * | 2016-05-12 | 2017-11-21 | 北京同步科技有限公司 | Multichannel dynamic recording system and method |
| CN106791322A (en) * | 2016-12-31 | 2017-05-31 | 北京工业大学 | Hundred million pixel web cameras |
| CN110996120A (en) * | 2019-12-13 | 2020-04-10 | 湖南君瀚信息技术有限公司 | Video stream transmitting and receiving method |
| CN114339344A (en) * | 2020-10-10 | 2022-04-12 | 海信视像科技股份有限公司 | Intelligent device and video recording method |
| CN114339344B (en) * | 2020-10-10 | 2024-03-05 | 海信视像科技股份有限公司 | Intelligent device and video recording method |
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