WO2018099019A1 - 视频流的获取方法、获取装置和服务器 - Google Patents

视频流的获取方法、获取装置和服务器 Download PDF

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Publication number
WO2018099019A1
WO2018099019A1 PCT/CN2017/086411 CN2017086411W WO2018099019A1 WO 2018099019 A1 WO2018099019 A1 WO 2018099019A1 CN 2017086411 W CN2017086411 W CN 2017086411W WO 2018099019 A1 WO2018099019 A1 WO 2018099019A1
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WIPO (PCT)
Prior art keywords
video stream
planting device
terminal
sent
server
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PCT/CN2017/086411
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English (en)
French (fr)
Inventor
崔选科
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深圳前海弘稼科技有限公司
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Publication of WO2018099019A1 publication Critical patent/WO2018099019A1/zh

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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]
    • H04N21/20—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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
    • 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
    • H04N21/437—Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/6437—Real-time Transport Protocol [RTP]
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/85—Assembly of content; Generation of multimedia applications
    • H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
    • H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the present invention relates to the field of video stream transmission technologies, and in particular, to a method for acquiring a video stream, a device for acquiring a video stream, and a server.
  • planting equipment can not only grow plants, but also be used for home decoration, and can also increase children's plant knowledge.
  • Wi-Fi Wireless Fidelity, wireless LAN based on IEEE 802.11b standard
  • Wi-Fi Wireless Fidelity, wireless LAN based on IEEE 802.11b standard
  • the current Wi-Fi bandwidth is limited.
  • the planting equipment may cause the video image played by the terminal to be stuck due to the large amount of data, and cannot be viewed normally.
  • the bandwidth of Wi-Fi is 5 Mbps
  • the code rate of a video stream is 500 bps
  • a maximum of 10 terminals are simultaneously connected to the planting device to acquire a video stream.
  • the invention is based on the above problems, and proposes a new technical solution, even if the number of terminals connected to the planting equipment is too large, it can ensure that each terminal smoothly plays the scene of the planting equipment. Frequency flow.
  • the first aspect of the present invention provides a method for acquiring a video stream, which is used by a server, and the method for obtaining the video stream includes: receiving a signal sent by a terminal to obtain a video stream of a planting device; determining whether the current stream is being Receiving a video stream sent from the planting device; if yes, using the video stream currently being received from the planting device as a target video stream, and if not, sending a push stream command to the planting device to be Sending, by the push flow command, a video stream sent by the planting device as a target video stream; forwarding the target video stream to the terminal, or sending a stream address corresponding to the target video stream to The terminal, configured to obtain, by the terminal, the target video stream according to the current collection address.
  • the terminal acquires a video stream from the server by pushing the video stream of the planting device to the server. Because the solution uses the server to achieve video stream acquisition, and the processing performance of the server is relatively high, as long as the bandwidth of the server is large enough, more terminal access can be supported to obtain the video stream, thereby solving the problem of connecting the planting equipment. When the number of terminals is too large, the terminal plays a video stream when it is stuck, thereby ensuring that the terminal can smoothly play the video stream captured by the planting device.
  • the step of forwarding the target video stream to the terminal specifically includes: if the number of the terminals is one, forwarding the target video stream to the terminal; If the number of the terminals is multiple, the target video stream is copied according to the number of the terminals, to obtain a plurality of the target video streams, and the plurality of the target video streams are forwarded to the plurality of terminals.
  • the plurality of the target video streams are in one-to-one correspondence with the plurality of terminals.
  • the target video stream is copied into multiple copies, and each target video stream corresponds to one terminal, thereby preventing multiple terminals from playing according to the same target video stream.
  • the smoothness of playing the target video stream by each terminal is further ensured.
  • the push flow command includes a push flow address
  • the push flow address is used to cause the planting device to send a video stream to the server according to the push flow address.
  • the planting device sends the video stream collected by the camera to the server according to the push stream address, so that the server can manage the video stream based on the push stream address.
  • the method further comprises: storing a video stream sent from the planting device.
  • the terminal by storing the video stream sent from the planting device, so that the terminal can play the video stream collected before the camera of the planting device, not only can the user's demand for playing the previous video stream be satisfied, but also the terminal can be played back. Does not occupy space for terminals and planting equipment.
  • the video streaming protocol between the planting device and the server and the video streaming protocol between the server and the terminal comprise: a real-time streaming protocol, a real-time message a transmission protocol or a hypertext transfer protocol; the received encoding of the video stream sent from the planting device includes: H.264, H.265, MPEG4 or AAC.
  • a second aspect of the present invention provides a device for acquiring a video stream, where the device for acquiring a video stream includes: a receiving unit, configured to receive a signal for acquiring a video stream of the planting device sent by the terminal; Used for judging whether a video stream sent from the planting device is currently being received; a determining unit, configured to: if the determining unit determines that a video stream sent from the planting device is currently being received, then the current receiving The video stream sent by the planting device is used as the target video stream. If the determining unit determines that the video stream sent by the planting device is not currently received, sending a push flow command to the planting device, so that the push flow command is to be sent.
  • a video stream sent from the planting device is received as a target video stream;
  • a sending unit is configured to forward the target video stream to the terminal, or send a stream address corresponding to the target video stream to the
  • the terminal is configured to obtain, by the terminal, the target video stream according to the current collection address.
  • the terminal acquires a video stream from the server by pushing the video stream of the planting device to the server. Because the solution uses the server to achieve video stream acquisition, and the processing performance of the server is relatively high, as long as the bandwidth of the server is large enough, more terminal access can be supported to obtain the video stream, thereby solving the problem of connecting the planting equipment. When the number of terminals is too large, the terminal plays the video stream when it is stuck, thereby ensuring that the terminal can smoothly play the planting device. The video stream to be shot.
  • the sending unit is specifically configured to: if the number of the terminals is one, forward the target video stream to the terminal; if the number of the terminals is multiple, Copying the target video stream according to the number of the terminals to obtain a plurality of the target video streams, and forwarding the plurality of the target video streams to a plurality of the terminals, wherein the plurality of target video streams are multiple
  • the terminals are in one-to-one correspondence.
  • the target video stream is copied into multiple copies, and each target video stream corresponds to one terminal, thereby preventing multiple terminals from playing according to the same target video stream.
  • the smoothness of playing the target video stream by each terminal is further ensured.
  • the push flow command includes a push flow address
  • the push flow address is used to cause the planting device to send a video stream to the server according to the push flow address.
  • the planting device sends the video stream collected by the camera to the server according to the push stream address, so that the server can manage the video stream based on the push stream address.
  • the method further includes: a storage unit, configured to store the video stream sent by the planting device.
  • the terminal by storing the video stream sent from the planting device, so that the terminal can play the video stream collected before the camera of the planting device, not only can the user's demand for playing the previous video stream be satisfied, but also the terminal can be played back. Does not occupy space for terminals and planting equipment.
  • the video streaming protocol between the planting device and the server and the video streaming protocol between the server and the terminal comprise: a real-time streaming protocol, a real-time message a transmission protocol or a hypertext transfer protocol; the received encoding of the video stream sent from the planting device includes: H.264, H.265, MPEG4 or AAC.
  • a third aspect of the present invention provides a server, including any of the above technical solutions
  • the device for acquiring the video stream is the same as that of the device for acquiring the video stream according to any of the above technical solutions, and details are not described herein again.
  • a fourth aspect of the present invention provides a computer device, comprising: a processor, wherein the processor is configured to perform a computer program stored in a memory, implementing the method of any one of the first aspect, The steps of the method of obtaining the video stream.
  • a fifth aspect of the invention provides a computer readable storage medium having stored thereon a computer program, the computer program being executed by a processor to implement the video stream according to any one of the above aspects of the first aspect The steps to get the method.
  • FIG. 1 is a schematic flowchart diagram of a method for acquiring a video stream according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an apparatus for acquiring a video stream according to an embodiment of the present invention
  • FIG. 3 shows a block diagram of a server in accordance with one embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an acquisition system of a video stream according to an embodiment of the present invention.
  • Figure 5 shows a block diagram of a computer device in accordance with one embodiment of the present invention.
  • FIG. 1 is a flow chart showing a method for acquiring a video stream according to an embodiment of the present invention. Figure.
  • a method for acquiring a video stream according to an embodiment of the present invention is used for a server, and the method for obtaining the video stream includes:
  • Step 102 Receive a signal sent by the terminal to obtain a video stream of the planting device.
  • step 104 it is determined whether the video stream sent from the planting device is currently being received. If yes, step 106 is performed, and if no, step 108 is performed.
  • Step 106 The video stream sent from the planting device currently being received is used as the target video stream.
  • Step 108 Send a push flow command to the planting device to use the video stream sent by the planting device received after sending the push flow command as a target video stream.
  • Step 110 Forward the target video stream to the terminal, or send the current stream address corresponding to the target video stream to the terminal, so that the terminal acquires the target video stream according to the current stream address.
  • the terminal acquires a video stream from the server by pushing the video stream of the planting device to the server. Because the solution uses the server to achieve video stream acquisition, and the processing performance of the server is relatively high, as long as the bandwidth of the server is large enough, more terminal access can be supported to obtain the video stream, thereby solving the problem of connecting the planting equipment. When the number of terminals is too large, the terminal plays a video stream when it is stuck, thereby ensuring that the terminal can smoothly play the video stream captured by the planting device.
  • the step of forwarding the target video stream to the terminal specifically includes: if the number of the terminals is one, forwarding the target video stream to the terminal; If the number of the terminals is multiple, the target video stream is copied according to the number of the terminals, to obtain a plurality of the target video streams, and the plurality of the target video streams are forwarded to the plurality of terminals.
  • the plurality of the target video streams are in one-to-one correspondence with the plurality of terminals.
  • the target video stream is copied into multiple copies, and each target video stream corresponds to one terminal, thereby preventing multiple terminals from playing according to the same target video stream.
  • the smoothness of playing the target video stream by each terminal is further ensured.
  • the push flow command includes a push flow address, where The push stream address is used to cause the planting device to send a video stream to the server according to the push stream address.
  • the planting device sends the video stream collected by the camera to the server according to the push stream address, so that the server can manage the video stream based on the push stream address.
  • the push flow in the above refers to the planting device pushing (or sending) a video stream to the server, and the fetching refers to the terminal acquiring the video stream from the server.
  • the push stream address and the stream stream address can be letters or numbers or a combination of both.
  • the push stream address and the stream take address of each planting device are unique.
  • the method further comprises: storing a video stream sent from the planting device.
  • the terminal by storing the video stream sent from the planting device, so that the terminal can play the video stream collected before the camera of the planting device, not only can the user's demand for playing the previous video stream be satisfied, but also the terminal can be played back. Does not occupy space for terminals and planting equipment.
  • the video streaming protocol between the planting device and the server and the video streaming protocol between the server and the terminal comprise: a real-time streaming protocol (Real Time) Streaming Protocol (RTSP), Real Time Messaging Protocol (RTMP) or HyperText Transfer Protocol (HTTP);
  • RTSP Real Time
  • RTMP Real Time Messaging Protocol
  • HTTP HyperText Transfer Protocol
  • the received encoding method of the video stream sent by the planting device includes: H. 264, H.265, MPEG4 or AAC (Advanced Audio Coding).
  • MPEG Moving Pictures Experts Group
  • ISO International Organization for Standardization
  • MPEG4 is a video streaming video compression technology and commercial standard format.
  • H.264 is the International Organization for Standardization and the International Telecommunication Union (ITU, International Telecommunication Union) jointly proposed a new generation digital video compression format after MPEG4.
  • H.265 is a new video coding standard developed by ITU-T VCEG (Video Coding Experts Group) following H.264.
  • FIG. 2 is a block diagram showing the structure of a device for acquiring a video stream according to an embodiment of the present invention.
  • the video stream obtaining apparatus 200 is used for a server, and the video stream acquiring apparatus 200 includes: a receiving unit 202, a determining unit 204, a determining unit 206, and a sending unit 208.
  • the receiving unit 202 is configured to receive a signal for acquiring a video stream of the planting device sent by the terminal, and the determining unit 204 is configured to determine whether a video stream sent by the planting device is currently being received, and the determining unit 206 is configured to: The unit 204 determines that the video stream sent from the planting device is currently being received, and then the video stream sent from the planting device that is currently being received is used as the target video stream, if the determining unit 204 determines that the planting is not currently received from the planting And sending, by the device, a push stream command to the planting device, to send the video stream sent by the planting device after receiving the push stream command as a target video stream; and sending unit 208, configured to: Forwarding the target video stream to the terminal, or sending the current stream address corresponding to the target video stream to the terminal, so that the terminal acquires the target video stream according to the current stream address.
  • the terminal acquires a video stream from the server by pushing the video stream of the planting device to the server. Because the solution uses the server to achieve video stream acquisition, and the processing performance of the server is relatively high, as long as the bandwidth of the server is large enough, more terminal access can be supported to obtain the video stream, thereby solving the problem of connecting the planting equipment. When the number of terminals is too large, the terminal plays a video stream when it is stuck, thereby ensuring that the terminal can smoothly play the video stream captured by the planting device.
  • the sending unit 208 is specifically configured to: if the number of the terminals is one, forward the target video stream to the terminal; if the number of the terminals is multiple, And copying the target video stream according to the number of the terminals, to obtain a plurality of the target video streams, and forwarding the plurality of the target video streams to the plurality of terminals, where the plurality of the target video streams are A plurality of the terminals are in one-to-one correspondence.
  • the target video stream is copied into multiple copies, and each target video stream corresponds to one terminal, thereby preventing multiple terminals from playing according to the same target video stream.
  • the smoothness of playing the target video stream by each terminal is further ensured.
  • the push flow command includes a push flow address
  • the push flow address is used to cause the planting device to send a video stream to the server according to the push flow address.
  • the planting device sends the video stream collected by the camera to the server according to the push stream address, so that the server can manage the video stream based on the push stream address.
  • the method further includes: a storage unit 210, configured to store a video stream sent by the planting device.
  • the terminal by storing the video stream sent from the planting device, so that the terminal can play the video stream collected before the camera of the planting device, not only can the user's demand for playing the previous video stream be satisfied, but also the terminal can be played back. Does not occupy space for terminals and planting equipment.
  • the video streaming protocol between the planting device and the server and the video streaming protocol between the server and the terminal comprise: a real-time streaming protocol, a real-time message a transmission protocol or a hypertext transfer protocol; the received encoding of the video stream sent from the planting device includes: H.264, H.265, MPEG4 or AAC.
  • FIG. 3 shows a block diagram of a server in accordance with one embodiment of the present invention.
  • a server 300 includes the video stream obtaining apparatus 200 according to any one of the above aspects, and therefore, the server 300 has any one of the above technical solutions.
  • the same technical effects of the acquisition device 200 of the video stream will not be described herein.
  • FIG. 4 is a block diagram showing the structure of an acquisition system of a video stream according to an embodiment of the present invention.
  • a video stream acquisition system 400 includes a server 300, a planting device 402, and a terminal 404.
  • An embodiment of the video stream acquisition system 400 specifically includes: each planting device 402 corresponds to a number, and the server 300 assigns a push stream address and a stream capture address to each planting device 402.
  • the terminal 404 transmits a signal of the video stream of the planting device 402 of the target number to the server 300
  • the server 300 determines whether the video stream transmitted from the planting device 402 corresponding to the target number is currently being received.
  • the currently received video stream sent from the planting device 402 is forwarded to the terminal 404; if the video stream sent from the planting device 402 is not currently received, the planting is performed
  • the device 402 sends a push flow command for the planting device 402 to send the collected video stream to the server 300 according to the push flow command, and if the server 300 receives the video stream sent from the planting device 402, the received data from the planting device
  • the video stream sent by device 402 is forwarded to terminal 404. This enables one-to-many video playback without the problem of insufficient video bandwidth.
  • each planting device 402 corresponds to a number
  • the server 300 assigns a push stream address and a stream stream address to each planting device 402.
  • the terminal 404 transmits a signal of the video stream of the planting device 402 of the target number to the server 300
  • the server 300 determines whether the video stream transmitted from the planting device 402 corresponding to the target number is currently being received.
  • the currently received streaming address from the video stream sent by the planting device 402 is obtained, and the streaming address is sent to the terminal 404 for the terminal 404 to take according to the
  • the stream address obtains a video stream from the server 300; if the video stream sent from the planting device 402 is not currently received, a push flow command is sent to the planting device 402 for the video that the planting device 402 collects according to the push flow command.
  • the stream is sent to the server 300.
  • the server 300 receives the video stream sent from the planting device 402
  • the stream address of the video stream is obtained, and the stream address is sent to the terminal 404 for the terminal 404 to follow the stream address.
  • the video stream is acquired in the server 300.
  • the protocol for pushing and fetching may be any one of RTSP, RTMP, and HTTP that meets the above requirements.
  • the coding device 402 can encode the collected video stream by any one of H.264, H.265, MPEG4, and AAC.
  • Figure 5 shows a block diagram of a computer device in accordance with one embodiment of the present invention.
  • a computer device 500 in accordance with an embodiment of the present invention, includes a processor 504 and a memory 502.
  • the processor 504 and the memory 502 are connected by a bus or other means, and the computer device of the present invention is described by taking the connection by the bus 506 as an example in FIG.
  • the memory 502 is used to store a set of program codes, and the processor 504 calls and executes the program code stored in the memory 502 for performing the following operations:
  • the video stream sent from the planting device that is currently being received is used as the target video stream, and if not, the push stream command is sent to the planting device to receive the received message after sending the push flow command.
  • the video stream sent by the planting device is used as a target video stream;
  • the processor 504 invokes and executes the program code stored in the memory 502, specifically for performing the following operations:
  • the target video stream is copied according to the number of the terminals, to obtain a plurality of the target video streams, and the plurality of the target video streams are forwarded to the plurality of terminals.
  • the plurality of the target video streams are in one-to-one correspondence with the plurality of terminals.
  • the push flow command includes a push flow address, where the push flow address is used to cause the planting device to send a video stream to the server according to the push flow address.
  • the processor 504 invokes and executes the program code stored in the memory 502, and is also used to perform the following operations:
  • a video stream sent from the planting device is stored.
  • a video streaming protocol between the planting device and the server and a video streaming protocol between the server and the terminal include: a real-time streaming protocol, a real-time messaging protocol, or a super Text transfer protocol.
  • the received encoding manner of the video stream sent by the planting device includes: H.264, H.265, MPEG4 or AAC.
  • the apparatus for acquiring the video stream, the server, and the unit in the computer device of the embodiment of the present invention may be combined, divided, and deleted according to actual needs.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • PROM Programmable Read-Only Memory
  • EPROM Erasable Programmable Read Only Memory
  • OTPROM One-Time Programmable Read-Only Memory
  • EEPROM Electronically-Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory

Abstract

本发明提出了一种视频流的获取方法、获取装置和服务器，其中，该视频流的获取方法包括：接收来自终端发送的获取种植设备视频流的信号；判断当前是否正在接收来自种植设备发送的视频流；若是，则将当前正在接收的来自种植设备发送的视频流作为目标视频流，若否，则向种植设备发送推流命令，以将在发送推流命令后接收到的来自种植设备发送的视频流作为目标视频流；将目标视频流转发给终端，或者将目标视频流对应的取流地址发送给终端，以供终端根据取流地址获取目标视频流。通过本发明的技术方案，能够保证每个终端流畅地播放种植设备拍摄的视频流。

Description

视频流的获取方法、获取装置和服务器
本申请要求于2016年11月29日提交中国专利局、申请号为201611074093.8、发明名称为“视频流的获取方法、获取装置和服务器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及视频流传输技术领域，具体而言，涉及一种视频流的获取方法、一种视频流的获取装置和一种服务器。
背景技术
目前种植设备的应用已经非常普遍，种植设备不仅能够种植植物，用于家庭装饰，还可以增长儿童的植物知识。另外，还可以在种植设备上设置摄像头，来拍摄种植设备内部或者周围环境的视频，以更好地对种植设备进行监测。目前通过Wi-Fi(Wireless Fidelity，基于IEEE 802.11b标准的无线局域网)来将终端与种植设备相连，以使终端直接从种植设备中获取视频流。
但是，目前Wi-Fi的带宽是有限制的，当连接种植设备的终端数量达到一定数量，种植设备会因数据量太大而导致终端播放的视频图像卡顿，不能正常观看。例如Wi-Fi的带宽是5Mbps时，一个视频流的码率是500bps时，最多支持10个终端同时连接到种植设备来获取视频流。
因此，当连接种植设备的终端数量过多时，如何保证每个终端能够流畅地播放种植设备拍摄的视频流成为亟待解决的技术问题。
发明内容
本发明正是基于上述问题，提出了一种新的技术方案，即使连接种植设备的终端数量过多，也能够保证每个终端流畅地播放种植设备拍摄的视 频流。
有鉴于此，本发明的第一方面提出了一种视频流的获取方法，用于服务器，所述视频流的获取方法包括：接收来自终端发送的获取种植设备视频流的信号；判断当前是否正在接收来自所述种植设备发送的视频流；若是，则将当前正在接收的来自所述种植设备发送的视频流作为目标视频流，若否，则向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流；将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
在该技术方案中，通过将种植设备的视频流推送到服务器，终端从服务器中获取视频流。由于本方案采用服务器来实现视频流的获取，而服务器的处理性能比较高，因此，只要服务器的带宽足够大，就可以支持更多的终端接入来获取视频流，从而解决了连接种植设备的终端数量过多导致的终端播放视频流时卡顿的情况，进而保证了终端能够流畅地播放种植设备拍摄的视频流。
在上述技术方案中，优选地，所述将所述目标视频流转发给所述终端的步骤，具体包括：若所述终端的数量为一个，则将所述目标视频流转发给所述终端；若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
在该技术方案中，若有多个终端同时获取目标视频流，则将目标视频流复制成多份，每个目标视频流对应一个终端，避免了多个终端根据同一个目标视频流进行播放的情况，进一步地保证了每个终端播放目标视频流的流畅性。
在上述任一技术方案中，优选地，所述推流命令中包括推流地址，所述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
在该技术方案中，种植设备根据推流地址将其摄像头采集到的视频流发送给服务器，以使服务器能够基于推流地址对视频流进行管理。
在上述任一技术方案中，优选地，还包括：存储来自所述种植设备发送的视频流。
在该技术方案中，通过存储来自种植设备发送的视频流，以使终端能够播放种植设备的摄像头之前采集到的视频流，不仅可以满足用户对于播放以前的视频流的需求，还方便终端回放而不占用终端和种植设备的空间。
在上述任一技术方案中，优选地，所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议、实时消息传输协议或者超文本传输协议；接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC。
在该技术方案中，通过以上的视频流传输协议保证了种植设备、服务器和终端之间视频流的正常、高效地传输。
本发明的第二方面提出了一种视频流的获取装置，用于服务器，所述视频流的获取装置包括：接收单元，用于接收来自终端发送的获取种植设备视频流的信号；判断单元，用于判断当前是否正在接收来自所述种植设备发送的视频流；确定单元，用于若所述判断单元判定当前正在接收来自所述种植设备发送的视频流，则将当前正在接收的来自所述种植设备发送的视频流作为目标视频流，若所述判断单元判定当前未接收来自所述种植设备发送的视频流，则向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流；发送单元，用于将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
在该技术方案中，通过将种植设备的视频流推送到服务器，终端从服务器中获取视频流。由于本方案采用服务器来实现视频流的获取，而服务器的处理性能比较高，因此，只要服务器的带宽足够大，就可以支持更多的终端接入来获取视频流，从而解决了连接种植设备的终端数量过多导致的终端播放视频流时卡顿的情况，进而保证了终端能够流畅地播放种植设 备拍摄的视频流。
在上述技术方案中，优选地，所述发送单元具体用于，若所述终端的数量为一个，则将所述目标视频流转发给所述终端；若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
在该技术方案中，若有多个终端同时获取目标视频流，则将目标视频流复制成多份，每个目标视频流对应一个终端，避免了多个终端根据同一个目标视频流进行播放的情况，进一步地保证了每个终端播放目标视频流的流畅性。
在上述任一技术方案中，优选地，所述推流命令中包括推流地址，所述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
在该技术方案中，种植设备根据推流地址将其摄像头采集到的视频流发送给服务器，以使服务器能够基于推流地址对视频流进行管理。
在上述任一技术方案中，优选地，还包括：存储单元，用于存储来自所述种植设备发送的视频流。
在该技术方案中，通过存储来自种植设备发送的视频流，以使终端能够播放种植设备的摄像头之前采集到的视频流，不仅可以满足用户对于播放以前的视频流的需求，还方便终端回放而不占用终端和种植设备的空间。
在上述任一技术方案中，优选地，所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议、实时消息传输协议或者超文本传输协议；接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC。
在该技术方案中，通过以上的视频流传输协议保证了种植设备、服务器和终端之间视频流的正常、高效地传输。
本发明的第三方面提出了一种服务器，包括上述技术方案中任一项所 述的视频流的获取装置，因此，该服务器具有和上述技术方案中任一项所述的视频流的获取装置相同的技术效果，在此不再赘述。
本发明的第四方面提出了一种计算机设备，所述计算机设备包括处理器，所述处理器用于执行存储器中存储的计算机程序时实现如上述第一方面的技术方案中任一项所述的视频流的获取方法的步骤。
本发明的第五方面提出了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现如上述第一方面的技术方案中任一项所述的视频流的获取方法的步骤。
通过本发明的技术方案，即使连接种植设备的终端数量过多，也能够保证每个终端流畅地播放种植设备拍摄的视频流。
附图说明
图1示出了根据本发明的一个实施例的视频流的获取方法的流程示意图；
图2示出了根据本发明的一个实施例的视频流的获取装置的结构示意图；
图3示出了根据本发明的一个实施例的服务器的框图；
图4示出了根据本发明的一个实施例的视频流的获取系统的结构示意图；
图5示出了根据本发明的一个实施例的计算机设备的框图。
具体实施方式
为了可以更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用其他不同于在此描述的其他方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图1示出了根据本发明的一个实施例的视频流的获取方法的流程示意 图。
如图1所示，根据本发明的一个实施例的视频流的获取方法，用于服务器，所述视频流的获取方法包括：
步骤102，接收来自终端发送的获取种植设备视频流的信号。
步骤104，判断当前是否正在接收来自所述种植设备发送的视频流，若是，则执行步骤106，若否，则执行步骤108。
步骤106，将当前正在接收的来自所述种植设备发送的视频流作为目标视频流。
步骤108，向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流。
步骤110，将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
在该技术方案中，通过将种植设备的视频流推送到服务器，终端从服务器中获取视频流。由于本方案采用服务器来实现视频流的获取，而服务器的处理性能比较高，因此，只要服务器的带宽足够大，就可以支持更多的终端接入来获取视频流，从而解决了连接种植设备的终端数量过多导致的终端播放视频流时卡顿的情况，进而保证了终端能够流畅地播放种植设备拍摄的视频流。
在上述技术方案中，优选地，所述将所述目标视频流转发给所述终端的步骤，具体包括：若所述终端的数量为一个，则将所述目标视频流转发给所述终端；若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
在该技术方案中，若有多个终端同时获取目标视频流，则将目标视频流复制成多份，每个目标视频流对应一个终端，避免了多个终端根据同一个目标视频流进行播放的情况，进一步地保证了每个终端播放目标视频流的流畅性。
在上述任一技术方案中，优选地，所述推流命令中包括推流地址，所 述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
在该技术方案中，种植设备根据推流地址将其摄像头采集到的视频流发送给服务器，以使服务器能够基于推流地址对视频流进行管理。
上述中的推流指的是种植设备向服务器推送(或者说发送)视频流，取流指的是终端从服务器中获取视频流。推流地址和取流地址可以是字母或者数字或者两者的组合。每个种植设备的推流地址和取流地址是唯一的。
在上述任一技术方案中，优选地，还包括：存储来自所述种植设备发送的视频流。
在该技术方案中，通过存储来自种植设备发送的视频流，以使终端能够播放种植设备的摄像头之前采集到的视频流，不仅可以满足用户对于播放以前的视频流的需求，还方便终端回放而不占用终端和种植设备的空间。
在上述任一技术方案中，优选地，所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议(Real Time Streaming Protocol，RTSP)、实时消息传输协议(Real Time Messaging Protocol，RTMP)或者超文本传输协议(HyperText Transfer Protocol，HTTP)；接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC(Advanced Audio Coding，高级音频编码)。
在该技术方案中，通过以上的视频流传输协议保证了种植设备、服务器和终端之间视频流的正常、高效地传输。
MPEG(Moving Pictures Experts Group，动态图像专家组)是国际标准化组织(ISO，International Organization for Standardization)成立的专责制定有关运动图像压缩编码标准的工作组，所指定的标准是国际通用标准，叫MPEG标准。MPEG4是一个影音串流视讯压缩技术及商业标准格式。
H.264是国际标准化组织和国际电信联盟(ITU，International  Telecommunication Union)共同提出的继MPEG4之后的新一代数字视频压缩格式。H.265是ITU-T VCEG(Video Coding Experts Group，视频编码专家组)继H.264之后所制定的新的视频编码标准。
图2示出了根据本发明的一个实施例的视频流的获取装置的结构示意图。
如图2所示，根据本发明的一个实施例的视频流的获取装置200，用于服务器，该视频流的获取装置200包括：接收单元202、判断单元204、确定单元206和发送单元208。
接收单元202，用于接收来自终端发送的获取种植设备视频流的信号；判断单元204，用于判断当前是否正在接收来自所述种植设备发送的视频流；确定单元206，用于若所述判断单元204判定当前正在接收来自所述种植设备发送的视频流，则将当前正在接收的来自所述种植设备发送的视频流作为目标视频流，若所述判断单元204判定当前未接收来自所述种植设备发送的视频流，则向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流；发送单元208，用于将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
在该技术方案中，通过将种植设备的视频流推送到服务器，终端从服务器中获取视频流。由于本方案采用服务器来实现视频流的获取，而服务器的处理性能比较高，因此，只要服务器的带宽足够大，就可以支持更多的终端接入来获取视频流，从而解决了连接种植设备的终端数量过多导致的终端播放视频流时卡顿的情况，进而保证了终端能够流畅地播放种植设备拍摄的视频流。
在上述技术方案中，优选地，所述发送单元208具体用于，若所述终端的数量为一个，则将所述目标视频流转发给所述终端；若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
在该技术方案中，若有多个终端同时获取目标视频流，则将目标视频流复制成多份，每个目标视频流对应一个终端，避免了多个终端根据同一个目标视频流进行播放的情况，进一步地保证了每个终端播放目标视频流的流畅性。
在上述任一技术方案中，优选地，所述推流命令中包括推流地址，所述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
在该技术方案中，种植设备根据推流地址将其摄像头采集到的视频流发送给服务器，以使服务器能够基于推流地址对视频流进行管理。
在上述任一技术方案中，优选地，还包括：存储单元210，用于存储来自所述种植设备发送的视频流。
在该技术方案中，通过存储来自种植设备发送的视频流，以使终端能够播放种植设备的摄像头之前采集到的视频流，不仅可以满足用户对于播放以前的视频流的需求，还方便终端回放而不占用终端和种植设备的空间。
在上述任一技术方案中，优选地，所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议、实时消息传输协议或者超文本传输协议；接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC。
在该技术方案中，通过以上的视频流传输协议保证了种植设备、服务器和终端之间视频流的正常、高效地传输。
图3示出了根据本发明的一个实施例的服务器的框图。
如图3所示，根据本发明的一个实施例的服务器300，包括上述技术方案中任一项所述的视频流的获取装置200，因此，该服务器300具有和上述技术方案中任一项所述的视频流的获取装置200相同的技术效果，在此不再赘述。
图4示出了根据本发明的一个实施例的视频流的获取系统的结构示意图。
如图4所示，根据本发明的一个实施例的视频流的获取系统400，包括：服务器300、种植设备402和终端404。
视频流的获取系统400的一种实施方式具体包括：每个种植设备402对应一个编号，服务器300为每个种植设备402分配推流地址和取流地址。当终端404向服务器300发送获取目标编号的种植设备402的视频流的信号时，服务器300判断当前是否正在接收来自目标编号所对应的种植设备402发送的视频流。若当前正在接收来自该种植设备402发送的视频流，则将当前接收到的来自种植设备402发送的视频流转发给终端404；若当前未接收来自该种植设备402发送的视频流，则向种植设备402发送推流命令，以供种植设备402根据该推流命令将其采集到的视频流发送给服务器300，服务器300若接收到来自种植设备402发送的视频流，则将接收到的来自种植设备402发送的视频流转发给终端404。这样就能实现一对多的视频播放而避免视频带宽不足的问题。
视频流的获取系统400的另一种实施方式具体包括：每个种植设备402对应一个编号，服务器300为每个种植设备402分配推流地址和取流地址。当终端404向服务器300发送获取目标编号的种植设备402的视频流的信号时，服务器300判断当前是否正在接收来自目标编号所对应的种植设备402发送的视频流。若当前正在接收来自该种植设备402发送的视频流，则获取当前接收到的来自种植设备402发送的视频流的取流地址，将该取流地址发送给终端404，以供终端404根据该取流地址从服务器300中获取视频流；若当前未接收来自该种植设备402发送的视频流，则向种植设备402发送推流命令，以供种植设备402根据该推流命令将其采集到的视频流发送给服务器300，当服务器300接收到来自种植设备402发送的视频流时，获取该视频流的取流地址，将该取流地址发送给终端404，以供终端404根据该取流地址从服务器300中获取视频流。
其中，推流和取流的协议可以是RTSP、RTMP、HTTP中任意一种满足上述要求的流媒体协议。
种植设备402对采集到的视频流的编码方式可以是H.264、H.265、MPEG4、AAC中的任意一种编码方式。
图5示出了根据本发明的一个实施例的计算机设备的框图。
如图5所示，根据本发明的实施例的计算机设备500，包括：处理器504和存储器502。在本发明的实施例中，处理器504和存储器502通过总线或其他方式连接，图5中以通过总线506连接为例对本发明的计算机设备进行说明。
其中，存储器502用于存储一组程序代码，处理器504调用并执行存储器502中存储的程序代码，用于执行以下操作：
接收来自终端发送的获取种植设备视频流的信号；
判断当前是否正在接收来自所述种植设备发送的视频流；
若是，则将当前正在接收的来自所述种植设备发送的视频流作为目标视频流，若否，则向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流；
将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
作为一种可选的实施方式，处理器504调用并执行存储器502中存储的程序代码，具体用于执行以下操作：
若所述终端的数量为一个，则将所述目标视频流转发给所述终端；
若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
作为可选的实施方式，所述推流命令中包括推流地址，所述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
作为一种可选的实施方式，处理器504调用并执行存储器502中存储的程序代码，还用于执行以下操作：
存储来自所述种植设备发送的视频流。
作为可选的实施方式，所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议、实时消息传输协议或者超文本传输协议。
作为可选的实施方式，接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC。
本发明实施例的方法中的步骤可以根据实际需要进行顺序调整、合并和删减。
本发明实施例的视频流的获取装置、服务器和计算机设备中的单元可以根据实际需要进行合并、划分和删减。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质包括只读存储器(Read-Only Memory，ROM)、随机存储器(Random Access Memory，RAM)、可编程只读存储器(Programmable Read-only Memory，PROM)、可擦除可编程只读存储器(Erasable Programmable Read Only Memory，EPROM)、一次可编程只读存储器(One-time Programmable Read-Only Memory，OTPROM)、电子抹除式可复写只读存储器(Electrically-Erasable Programmable Read-Only Memory，EEPROM)、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或其他光盘存储器、磁盘存储器、磁带存储器、或者能够用于携带或存储数据的计算机可读的任何其他介质。
以上结合附图详细说明了本发明的技术方案，通过本发明的技术方案，即使连接种植设备的终端数量过多，也能够保证每个终端流畅地播放种植设备拍摄的视频流。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (11)

  1. 一种视频流的获取方法，用于服务器，其特征在于，所述视频流的获取方法包括：
    接收来自终端发送的获取种植设备视频流的信号；
    判断当前是否正在接收来自所述种植设备发送的视频流；
    若是，则将当前正在接收的来自所述种植设备发送的视频流作为目标视频流，若否，则向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流；
    将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
  2. 根据权利要求1所述的视频流的获取方法，其特征在于，所述将所述目标视频流转发给所述终端的步骤，具体包括：
    若所述终端的数量为一个，则将所述目标视频流转发给所述终端；
    若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
  3. 根据权利要求1所述的视频流的获取方法，其特征在于，所述推流命令中包括推流地址，所述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
  4. 根据权利要求1至3中任一项所述的视频流的获取方法，其特征在于，还包括：
    存储来自所述种植设备发送的视频流。
  5. 根据权利要求1至3中任一项所述的视频流的获取方法，其特征在于，
    所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议、实时消息传输协议或者超文本传输协议；
    接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC。
  6. 一种视频流的获取装置，用于服务器，其特征在于，所述视频流的获取装置包括：
    接收单元，用于接收来自终端发送的获取种植设备视频流的信号；
    判断单元，用于判断当前是否正在接收来自所述种植设备发送的视频流；
    确定单元，用于若所述判断单元判定当前正在接收来自所述种植设备发送的视频流，则将当前正在接收的来自所述种植设备发送的视频流作为目标视频流，若所述判断单元判定当前未接收来自所述种植设备发送的视频流，则向所述种植设备发送推流命令，以将在发送所述推流命令后接收到的来自所述种植设备发送的视频流作为目标视频流；
    发送单元，用于将所述目标视频流转发给所述终端，或者将所述目标视频流对应的取流地址发送给所述终端，以供所述终端根据所述取流地址获取所述目标视频流。
  7. 根据权利要求6所述的视频流的获取装置，其特征在于，所述发送单元具体用于，
    若所述终端的数量为一个，则将所述目标视频流转发给所述终端；
    若所述终端的数量为多个，则根据所述终端的数量复制所述目标视频流，以得到多份所述目标视频流，将多份所述目标视频流转发给多个所述终端，其中，多份所述目标视频流与多个所述终端一一对应。
  8. 根据权利要求6所述的视频流的获取装置，其特征在于，所述推流命令中包括推流地址，所述推流地址用于使所述种植设备根据所述推流地址向所述服务器发送视频流。
  9. 根据权利要求6至8中任一项所述的视频流的获取装置，其特征在于，还包括：
    存储单元，用于存储来自所述种植设备发送的视频流。
  10. 根据权利要求6至8中任一项所述的视频流的获取装置，其特征在于，
    所述种植设备与所述服务器之间的视频流传输协议和所述服务器与所述终端之间的视频流传输协议包括：实时流传输协议、实时消息传输协议或者超文本传输协议；
    接收到的来自所述种植设备发送的视频流的编码方式包括：H.264、H.265、MPEG4或者AAC。
  11. 一种服务器，其特征在于，包括：如权利要求6至10中任一项所述的视频流的获取装置。
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