CN112040304A - Hard disk video recorder system supporting wireless screen projection - Google Patents
Hard disk video recorder system supporting wireless screen projectionDownload PDFInfo
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- CN112040304A CN112040304ACN202010920208.0ACN202010920208ACN112040304ACN 112040304 ACN112040304 ACN 112040304ACN 202010920208 ACN202010920208 ACN 202010920208ACN 112040304 ACN112040304 ACN 112040304A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
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- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Technical Field
The invention relates to the technical field of electronic communication, in particular to a hard disk video recorder system supporting wireless screen projection.
Background
With the progress of science and technology and the development of times, the living habits and living environments of people are greatly changed. People are full of intelligent products around, the network video recorder is one of the intelligent products, and the network video recorder has the main function of receiving digital video code streams transmitted by the network video recorder through a network, storing and managing the digital video code streams, so that the distributed architecture advantage brought by networking is realized. Through the network hard disk video recorder, a user can watch, browse, play back, manage and store a plurality of network cameras at the same time.
In the traditional security monitoring industry, the network hard disk video recorder is connected with a display through a local output port (such as interfaces of HDMI, VGA, DVI and the like) to control operation, or the operation is controlled through installing client software (client software or APP), the network television and the network hard disk video recorder are not convenient to be used in a wireless screen projection mode, and in addition, along with the development of multimedia technology and network communication technology, digital media brings some potential risks when being convenient for people, such as violent harmful content flooding. How to effectively control the network multimedia information and guarantee the content security of the network has become one of the main contents of bad information retrieval and monitoring research.
Therefore, we propose a hard disk recorder system supporting wireless screen projection to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a hard disk video recorder system supporting wireless screen projection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hard disk video recorder system supporting wireless screen projection comprises a wireless router, a plurality of network cameras, a network hard disk video recorder, a video storage system and a display system, wherein the network hard disk video recorder, a network television and the wireless router are respectively connected in a one-way mode;
the network video recorder is internally provided with an access module connected with the plurality of network cameras, and the access module imports the compressed video data through the network module;
a diagnosis module for analyzing video data is arranged in the storage module, and the diagnosis module is used for screening and processing data related to violence, obscene and the like in the video data;
the decoding module is used for decompressing the compressed video data in the network module.
In the hard disk video recorder system supporting the wireless screen projection, the front panel touch display screen is arranged on the side wall of the network hard disk video recorder, network connection can be established between the network hard disk video recorder system and the wireless router by operating the front panel touch display screen, network connection is also established between the network television and the wireless router, and the network television and the network hard disk video recorder are in the same local area network.
In the above-mentioned hard disk video recorder system supporting wireless screen projection, the steps implemented between the network hard disk video recorder and the network television are as follows:
1) accessing the hard disk video recorder to the network equipment by controlling the front panel touch display screen;
2) searching for the network television in the wireless network by touching the display screen through the front panel;
3) selecting a network television, and projecting the output display of the hard disk video recorder onto the network television;
4) on the network television, operating the network hard disk video recorder;
5) and the network screen projection is disconnected by controlling the front panel to touch the display screen.
In the above-mentioned hard disk recorder system supporting wireless screen projection, the network hard disk recorder is selected as a media server, the network tv is selected as a media player, an external operation behavior is selected as a control point, and the control point is used to coordinate the mutual operation between the media server and the media player, and the interaction steps of the network tv operating the network hard disk recorder to play video are specifically as follows:
s1, the control point discovers the media server and the media player in the LAN, and discovers the equipment information and the service items in the media server;
s2, the control point selects to search and browse the video list of the media server in the network, and calls the content directory service interface provided by the media server to obtain the video format supported by the media server and the supported transmission protocol;
s3, acquiring protocol information of the media player, and the control point calling the interface of the media player connection management service to acquire a transmission protocol and a supported data format list;
s4, matching transmission protocols and data formats, the control point obtaining the video format and the supported transmission protocol from the media server in the S2 step, obtaining the transmission protocol and the media data format supported by the media player in the S3 step, and selecting the protocol and the data format supported by both by comparison;
s5, selecting a video to be played, selecting the video to be played by the control point according to the video list returned in the step S2, and calling an audio and video transmission service interface in the media player to determine a resource storage address;
s6, starting video transmission, calling an audio and video transmission service interface of the media player by the control point to perform control operation, and loading video playing from the media server by the media player;
s7, controlling video display, wherein the control point calls an interface of a presentation control service of the media player to adjust display effects, such as brightness, contrast, sound size and the like;
s8, repeatedly playing or selecting the next video, and the control point repeats the above process through calling or an interface to repeatedly play or play the next video;
and S9, ending the playing, and when the control point does not want to play the video any more, calling the connection management service interface to end the media server and the media player.
6. In the above-mentioned hard disk recorder system supporting wireless screen projection, the playlist in the media server has an illegal video file identified in the diagnostic module, and the diagnostic operation steps of the diagnostic module are as follows:
the method comprises the following steps: marking an imported video file as 1, 2 and 3, reading the video file marks as A1, A2 and A3, finding out the motion speed and the motion direction of each pixel in each image in the A1, A2 and A3. files, respectively marking the pixels in the images as a, b and c.n, and determining the frame number as t;
step two: determining the position of the a, b, c.. n pixel point at the time of the t frame to be (x1, y1), finding the a, b, c.. n pixel point at the time of the t +1 frame, and if the position of the a, b, c.. n pixel point is (x2, y2), determining the motion of the a, b, c.. n pixel point: (ux, vy) ═ x2, y2) - (x1, y 1;
step three: respectively performing characteristic analysis on the motion data obtained by each pixel in the second step, and marking the motion data as B1, B2 and B3;
step four: rapidly comparing the data after feature analysis with data about the violation in an existing large database, and determining that the data which are the same as the data about the violation are marked as C1, C2 and C3.;
step five: and outputting the video files of the data marked as the violation into the storage module and presenting the video files in a locked state, and outputting the video files of the data which are not marked into the storage module and presenting the video files in a display state.
In the hard disk video recorder system supporting wireless screen projection, an alarm module is arranged in the network hard disk video recorder, the alarm module is connected with the storage module in a one-way mode, and the alarm module is triggered when illegal videos in the storage module are selected.
Compared with the prior art, this support wireless hard disk video recorder system who throws screen's advantage lies in:
1. the invention is an innovation combined with the current use scene of people, the newly invented network hard disk video recorder supports the wireless screen projection technology, and the network hard disk video recorder and the network television in the local area network can be combined together through the wireless screen projection technology, so that the network hard disk video recorder (previewing pictures, playing back videos, configuring operation and the like) can be controlled and operated on the network television.
2. The invention can diagnose and alarm illegal videos such as violent fishy smell, filth and the like so that monitoring personnel can better obtain the conditions of a monitoring site.
Drawings
Fig. 1 is a schematic diagram of a data transmission topology of a hard disk video recorder system supporting wireless screen projection according to the present invention;
FIG. 2 is a schematic diagram of a network topology of a hard disk video recorder system supporting wireless screen projection according to the present invention;
fig. 3 is a schematic diagram of a front panel of a hard disk recorder system supporting wireless screen projection according to the present invention.
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.
Referring to fig. 1-3, a hard disk video recorder system supporting wireless screen projection comprises a wireless router, a plurality of network cameras, a network hard disk video recorder, a video storage system and a display system, wherein the network hard disk video recorder, a network television and the wireless router are respectively connected in a unidirectional manner, communication connection is established between the wireless router and the plurality of network cameras, the video storage system comprises a network module, a storage module, a decoding module and a local decoding and screen projection module, the network hard disk video recorder and the network module are connected in a unidirectional manner, the storage module, the decoding module and the network module are respectively connected in a unidirectional manner, the local decoding and screen projection module and the decoding module are respectively connected in a unidirectional manner, the display system comprises the network television, and the network television and the video storage system are connected in a unidirectional manner;
the network video recorder is internally provided with an access module connected with the plurality of network cameras, and the access module imports the compressed video data through the network module;
a diagnosis module for analyzing video data is arranged in the storage module, and the diagnosis module is used for screening and processing data related to violence, obscene and the like in the video data;
the decoding module is used for decompressing the compressed video data in the network module.
The side wall of the network hard disk video recorder is provided with a front panel touch display screen, network connection can be established between the network hard disk video recorder and the wireless router by operating the front panel touch display screen, network connection is also established between the network television and the wireless router, and the network television and the network hard disk video recorder are in the same local area network.
The specific implementation steps between the network video recorder and the network television are as follows:
1) accessing the hard disk video recorder to the network equipment by controlling the front panel touch display screen;
2) searching for the network television in the wireless network by touching the display screen through the front panel;
3) selecting a network television, and projecting the output display of the hard disk video recorder onto the network television;
4) on the network television, operating the network hard disk video recorder;
5) and the network screen projection is disconnected by controlling the front panel to touch the display screen.
The network television selects a media player, the behavior of external operation selects a control point, the control point is used for coordinating the mutual operation between the media server and the media player, and the interaction steps of the network television operating the network hard disk video recorder to play the video are as follows:
s1, the control point discovers the media server and the media player in the LAN, and discovers the equipment information and the service items in the media server;
s2, the control point selects to search and browse the video list of the media server in the network, and calls the content directory service interface provided by the media server to obtain the video format supported by the media server and the supported transmission protocol;
s3, acquiring protocol information of the media player, and the control point calling the interface of the media player connection management service to acquire a transmission protocol and a supported data format list;
s4, matching transmission protocols and data formats, the control point obtaining the video format and the supported transmission protocol from the media server in the S2 step, obtaining the transmission protocol and the media data format supported by the media player in the S3 step, and selecting the protocol and the data format supported by both by comparison;
s5, selecting a video to be played, selecting the video to be played by the control point according to the video list returned in the step S2, and calling an audio and video transmission service interface in the media player to determine a resource storage address;
s6, starting video transmission, calling an audio and video transmission service interface of the media player by the control point to perform control operation, and loading video playing from the media server by the media player;
s7, controlling video display, wherein the control point calls an interface of a presentation control service of the media player to adjust display effects, such as brightness, contrast, sound size and the like;
s8, repeatedly playing or selecting the next video, and the control point repeats the above process through calling or an interface to repeatedly play or play the next video;
and S9, ending the playing, and when the control point does not want to play the video any more, calling the connection management service interface to end the media server and the media player.
7. The method comprises the following steps that the illegal video files identified in the diagnosis module exist in a playlist in the media server, and the diagnosis operation steps of the diagnosis module are as follows:
the method comprises the following steps: marking an imported video file as 1, 2 and 3, reading the video file marks as A1, A2 and A3, finding out the motion speed and the motion direction of each pixel in each image in the A1, A2 and A3. files, respectively marking the pixels in the images as a, b and c.n, and determining the frame number as t;
step two: determining the position of the a, b, c.. n pixel point at the time of the t frame to be (x1, y1), finding the a, b, c.. n pixel point at the time of the t +1 frame, and if the position of the a, b, c.. n pixel point is (x2, y2), determining the motion of the a, b, c.. n pixel point: (ux, vy) ═ x2, y2) - (x1, y 1;
step three: respectively performing characteristic analysis on the motion data obtained by each pixel in the second step, and marking the motion data as B1, B2 and B3;
step four: rapidly comparing the data after feature analysis with data about the violation in an existing large database, and determining that the data which are the same as the data about the violation are marked as C1, C2 and C3.;
step five: and outputting the video files of the data marked as the violation into the storage module and presenting the video files in a locked state, and outputting the video files of the data which are not marked into the storage module and presenting the video files in a display state.
An alarm module is arranged in the network video recorder, the alarm module is connected with the storage module in a one-way mode, and the illegal video in the selected storage module can trigger the alarm module.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A digital video recorder system supporting wireless screen projection is characterized by comprising a wireless router, a plurality of network cameras, a network digital video recorder, a video storage system and a display system, wherein the network digital video recorder, a network television and the wireless router are respectively connected in a one-way mode;
the network video recorder is internally provided with an access module connected with the plurality of network cameras, and the access module imports the compressed video data through the network module;
a diagnosis module for analyzing video data is arranged in the storage module, and the diagnosis module is used for screening and processing data related to violence, obscene and the like in the video data;
the decoding module is used for decompressing the compressed video data in the network module.
2. The system as claimed in claim 1, wherein a front panel touch display screen is disposed on a side wall of the network video recorder, a network connection can be established between the network video recorder and the wireless router by operating the front panel touch display screen, a network connection is also established between the network television and the wireless router, and the network television and the network video recorder are in the same local area network.
3. The system of claim 2, wherein the network video recorder and the network television are implemented by the following steps:
1) accessing the hard disk video recorder to the network equipment by controlling the front panel touch display screen;
2) searching for the network television in the wireless network by touching the display screen through the front panel;
3) selecting a network television, and projecting the output display of the hard disk video recorder onto the network television;
4) on the network television, operating the network hard disk video recorder;
5) and the network screen projection is disconnected by controlling the front panel to touch the display screen.
4. The system of claim 3, wherein the network video recorder is selected as a media server, the network television is selected as a media player, an external operation behavior is selected as a control point, the control point is used for coordinating the mutual operation between the media server and the media player, and the interaction step of the network television operating the network video recorder to play the video is specifically as follows:
s1, the control point discovers the media server and the media player in the LAN, and discovers the equipment information and the service items in the media server;
s2, the control point selects to search and browse the video list of the media server in the network, and calls the content directory service interface provided by the media server to obtain the video format supported by the media server and the supported transmission protocol;
s3, acquiring protocol information of the media player, and the control point calling the interface of the media player connection management service to acquire a transmission protocol and a supported data format list;
s4, matching transmission protocols and data formats, the control point obtaining the video format and the supported transmission protocol from the media server in the S2 step, obtaining the transmission protocol and the media data format supported by the media player in the S3 step, and selecting the protocol and the data format supported by both by comparison;
s5, selecting a video to be played, selecting the video to be played by the control point according to the video list returned in the step S2, and calling an audio and video transmission service interface in the media player to determine a resource storage address;
s6, starting video transmission, calling an audio and video transmission service interface of the media player by the control point to perform control operation, and loading video playing from the media server by the media player;
s7, controlling video display, wherein the control point calls an interface of a presentation control service of the media player to adjust display effects, such as brightness, contrast, sound size and the like;
s8, repeatedly playing or selecting the next video, and the control point repeats the above process through calling or an interface to repeatedly play or play the next video;
and S9, ending the playing, and when the control point does not want to play the video any more, calling the connection management service interface to end the media server and the media player.
5. The system as claimed in claim 4, wherein the playlist in the media server contains video files for violations identified in the diagnostic module, and the diagnostic module performs the following steps:
the method comprises the following steps: marking an imported video file as 1, 2 and 3, reading the video file marks as A1, A2 and A3, finding out the motion speed and the motion direction of each pixel in each image in the A1, A2 and A3. files, respectively marking the pixels in the images as a, b and c.n, and determining the frame number as t;
step two: determining the position of the a, b, c.. n pixel point at the time of the t frame to be (x1, y1), finding the a, b, c.. n pixel point at the time of the t +1 frame, and if the position of the a, b, c.. n pixel point is (x2, y2), determining the motion of the a, b, c.. n pixel point: (ux, vy) ═ x2, y2) - (x1, y 1;
step three: respectively performing characteristic analysis on the motion data obtained by each pixel in the second step, and marking the motion data as B1, B2 and B3;
step four: rapidly comparing the data after feature analysis with data about the violation in an existing large database, and determining that the data which are the same as the data about the violation are marked as C1, C2 and C3.;
step five: and outputting the video files of the data marked as the violation into the storage module and presenting the video files in a locked state, and outputting the video files of the data which are not marked into the storage module and presenting the video files in a display state.
6. The system of claim 5, wherein an alarm module is arranged in the network video recorder, the alarm module is connected with the storage module in a unidirectional manner, and the illegal video in the selected storage module triggers the alarm module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115775A (en)* | 2021-11-12 | 2022-03-01 | 广州视源电子科技股份有限公司 | Information screen projection method and device, terminal device, display device and storage medium |
| CN114339183A (en)* | 2021-12-30 | 2022-04-12 | 深圳迈瑞动物医疗科技有限公司 | An endoscope system and screen projection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060245731A1 (en)* | 2005-04-27 | 2006-11-02 | Chih-Chuan Lai | Digital network video recorder and the monitoring system thereof |
| KR20110038492A (en)* | 2009-10-08 | 2011-04-14 | 아바드(주) | A home networking system built using an AV and home theater with a Wi-Fi module controlled by a mobile terminal. |
| CN103428526A (en)* | 2012-05-24 | 2013-12-04 | 株式会社东芝 | Video transmission device, video transmission method and video transmission system |
| CN103607577A (en)* | 2013-11-29 | 2014-02-26 | 中山大学 | Aged-care at home and security and protection system based on body motion trail analysis |
| CN106462221A (en)* | 2014-03-14 | 2017-02-22 | 四达时代通讯网络技术有限公司 | System, device and method for viewing and controlling audio video content in home network |
| CN209608768U (en)* | 2018-08-14 | 2019-11-08 | 深圳天健电子科技有限公司 | A kind of alarm system of the bis- light source cameras of wireless PIR and wireless image recording machine composition |
- 2020
- 2020-09-04CNCN202010920208.0Apatent/CN112040304A/enactivePending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060245731A1 (en)* | 2005-04-27 | 2006-11-02 | Chih-Chuan Lai | Digital network video recorder and the monitoring system thereof |
| KR20110038492A (en)* | 2009-10-08 | 2011-04-14 | 아바드(주) | A home networking system built using an AV and home theater with a Wi-Fi module controlled by a mobile terminal. |
| CN103428526A (en)* | 2012-05-24 | 2013-12-04 | 株式会社东芝 | Video transmission device, video transmission method and video transmission system |
| CN103607577A (en)* | 2013-11-29 | 2014-02-26 | 中山大学 | Aged-care at home and security and protection system based on body motion trail analysis |
| CN106462221A (en)* | 2014-03-14 | 2017-02-22 | 四达时代通讯网络技术有限公司 | System, device and method for viewing and controlling audio video content in home network |
| CN209608768U (en)* | 2018-08-14 | 2019-11-08 | 深圳天健电子科技有限公司 | A kind of alarm system of the bis- light source cameras of wireless PIR and wireless image recording machine composition |
Non-Patent Citations (1)
| Title |
|---|
| 魏晨曦: "基于SMP8655的UPnP AV终端的设计与实现", 《中国优秀博硕士学位论文全文数据库(硕士) 信息科技辑》* |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114115775A (en)* | 2021-11-12 | 2022-03-01 | 广州视源电子科技股份有限公司 | Information screen projection method and device, terminal device, display device and storage medium |
| CN114339183A (en)* | 2021-12-30 | 2022-04-12 | 深圳迈瑞动物医疗科技有限公司 | An endoscope system and screen projection method thereof |
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