CN113891171B - Portable audio/video acquisition, storage and forwarding system based on RTMP/RTSP protocol - Google Patents
Portable audio/video acquisition, storage and forwarding system based on RTMP/RTSP protocol Download PDFInfo
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- 238000004891 communication Methods 0.000 claims description 64
- 238000012544 monitoring process Methods 0.000 claims description 39
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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]
- H04N21/60—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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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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 or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
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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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
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- Computer Security & Cryptography (AREA)
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- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a portable audio/video acquisition, storage and forwarding system based on RTMP/RTSP protocol, comprising: the system comprises a data acquisition end, a system server and a mobile client; the data acquisition end is used for acquiring and processing data and then sending the data to the system server; the mobile client is used for checking the data sent to the system server and setting parameters of the data acquisition terminal through the system server. The data acquisition end encodes, compresses and encrypts the acquired audio and video, and pushes the stream to the system server in a wireless network mode through RTMP/RTSP stream, and the mobile client can acquire the audio and video stream received by the system server in real time. The portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol has a simple structure, can acquire the transmission stream of the audio/video equipment in real time for storage and distribution as required, and can enable a user to check the video in real time at any time and any place.
Description
Technical Field
The invention belongs to the technical field of audio and video data processing, and particularly relates to a portable audio and video acquisition, storage and forwarding system based on an RTMP/RTSP protocol.
Background
The RTMP (Real Time Messaging Protocol) Protocol is based on TCP and is a Protocol family that includes many variations of RTMP base Protocol and RTMPT/RTMPs/RTMPE. RTMP is a network protocol designed for real-time data communication, and is mainly used for audio-video and data communication between a Flash/AIR platform and a streaming media/interaction server supporting the RTMP protocol. RTSP (Real Time Streaming Protocol) is an application layer Protocol proposed by Real Network and Netscape together how to efficiently transmit Streaming media data over an IP Network. RTSP provides control over streaming media such as pause, fast forward, etc., without itself transferring data, and functions as a remote control of a streaming server. The server can choose to use TCP or UDP to transmit streaming content, which has similar syntax and operation as HTTP 1.1, but does not emphasize time synchronization, so it is more tolerant to network delay. And the requirement control of a plurality of streams is allowed at the same time, so that the network usage of the server side can be reduced, and the multi-party video conference can be supported.
At present, streaming media technology based on RTMP/RTSP has been widely applied, and many web players and smart phones can play RTMP streams. However, most of the existing streaming media technologies based on RTMP/RTSP are complex.
Disclosure of Invention
The invention provides a portable audio/video acquisition, storage and forwarding system based on an RTMP/RTSP protocol, which adopts the following technical scheme:
a portable audio/video acquisition, storage and forwarding system based on RTMP/RTSP protocol comprises: the system comprises a data acquisition end, a system server and a mobile client, wherein the data acquisition end and the mobile client are wirelessly connected to the system server through a wireless network;
the data acquisition end is used for acquiring and processing data and then sending the data to the system server;
the mobile client is used for checking the data sent to the system server and setting parameters of the data acquisition terminal through the system server;
the data acquisition end comprises:
the audio and video acquisition module is used for acquiring audio and video signals;
the audio and video coding module is used for coding the audio and video collected by the audio and video collecting module;
the audio and video encryption module is used for encrypting the audio and video signals coded by the audio and video coding module;
the RTMP/RTSP protocol transmission module is used for receiving the audio and video signals encrypted by the audio and video encryption module and pushing the audio and video signals to the system server through a relevant protocol;
the system server includes:
the streaming media server module is used for receiving the audio and video signals pushed by the RTMP/RTSP protocol transmission module;
the classified storage module is used for classifying and storing the audio and video signals received by the streaming media server module according to time and equipment;
the mobile client includes:
the mobile terminal communication module is used for acquiring a streaming media service address of the streaming media server module from a system server;
the mobile terminal acquisition module is used for acquiring audio and video signals from the streaming media server module according to the streaming media service address acquired by the mobile terminal communication module;
the mobile terminal decryption module is used for decrypting the audio and video signals acquired by the mobile terminal acquisition module;
the mobile terminal decoding module is used for decoding the audio and video signals decrypted by the mobile terminal decryption module;
and the mobile terminal playing module is used for playing the audio and video signals decoded by the mobile terminal decoding module.
Further, the data acquisition end also comprises:
the acquisition terminal communication module is used for transmitting the equipment information of the audio and video acquisition module to the system server;
the system server further comprises:
the server communication module is used for receiving the equipment information sent by the acquisition terminal communication module;
the server communication module also sends the acquired equipment information to the mobile terminal communication module.
Further, the device information contains a device IP address and a device number.
Further, the server communication module is further configured to send a streaming media service address to the acquisition end communication module and the mobile end communication module.
Furthermore, the mobile terminal communication module is also used for sending a parameter setting instruction to the server communication module;
the server communication module sends the parameter setting instruction to the acquisition terminal communication module;
the acquisition terminal communication module sends the received parameter setting instruction to the audio and video acquisition module;
and the audio and video acquisition module adjusts the parameters of the audio and video acquisition module according to the parameter setting instruction.
Further, the mobile terminal communication module further comprises:
the audio and video downloading module is used for downloading audio and video signals from the classified storage module of the system server;
the downloaded audio and video signals are decrypted by the mobile terminal decryption module and decoded by the mobile terminal decoding module and then played by the mobile terminal playing module.
Further, the system server further comprises:
the administrator management module is used for adding or deleting management personnel and setting the authority of the management personnel;
the server decryption module is used for decrypting the audio and video signals in the streaming media server module;
the server decoding module is used for decoding the audio and video signals decrypted by the server decryption module;
and the server playing module is used for playing the audio and video signals decoded by the server decoding module.
Further, the audio and video encryption module carries out AES256 encryption on the coded audio and video signals;
the audio and video coding module codes audio signals in the audio and video signals into H264 format data, codes video signals in the audio and video signals into AAC format data, and then mixes and encapsulates the coded audio signals and the coded video signals into data streams.
Further, the portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol also comprises a third party supervision end;
the third party supervision end is connected with the system server and the mobile client through a wireless network;
and the third party supervision terminal is used for supervising the audio and video signals acquired by the mobile client.
Further, the third party supervision terminal comprises:
the monitoring end communication module is used for receiving the streaming media service address sent by the mobile end communication module of the mobile client, and sending the streaming media service address to the monitoring end communication module after the mobile client acquires the streaming media service address from the system server;
the monitoring end acquisition module is used for synchronously acquiring audio and video signals from the streaming media server module according to the streaming media service address;
the monitoring terminal decryption module is used for decrypting the audio and video signals acquired by the monitoring terminal acquisition module;
the monitoring terminal decoding module is used for decoding the audio and video signals decrypted by the monitoring terminal decryption module;
the monitoring terminal analysis module is used for intelligently analyzing the audio and video signals decoded by the monitoring terminal decoding module so as to identify target content;
and the alarm module is used for sending an alarm signal when the monitoring end analysis module identifies the target content.
The portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol has the advantages of simple structure, capability of acquiring the transmission stream of the audio/video equipment in real time for storage and distribution as required, and capability of viewing videos anytime and anywhere by users in real time.
The portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol has the advantages that third-party monitoring is provided, and data acquired by a user can be monitored in real time.
Drawings
Fig. 1 is a schematic diagram of a portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol according to the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Fig. 1 shows a portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol according to the present application. Comprises the following steps: the system comprises a data acquisition end, a system server and a mobile client. The data acquisition end and the mobile client are wirelessly connected to the system server through a wireless network. The data acquisition end is used for acquiring and processing data and then sending the data to the system server. The mobile client is used for checking the data sent to the system server and setting parameters of the data acquisition terminal through the system server. The data acquisition end, the system server and the mobile client are specifically described below.
The data acquisition end comprises: the device comprises an audio and video acquisition module, an audio and video coding module, an audio and video encryption module and an RTMP/RTSP protocol transmission module.
The audio and video acquisition module is used for acquiring audio and video signals. The audio and video coding module is used for coding the audio and video collected by the audio and video collecting module. In the application, the audio and video coding module codes audio signals in the audio and video signals into H264 format data, codes video signals in the audio and video signals into AAC format data, and then mixes and encapsulates the coded audio signals and video signals into data streams. The audio and video encryption module is used for encrypting the audio and video signals encoded by the audio and video encoding module. In the application, the audio and video encryption module carries out AES256 encryption on the coded audio and video signals. And the RTMP/RTSP protocol transmission module is used for receiving the audio and video signals encrypted by the audio and video encryption module and pushing the audio and video signals to the system server through a related protocol.
The system server includes: the system comprises a streaming media server module and a classification storage module.
And the streaming media server module is used for receiving the audio and video signals pushed by the RTMP/RTSP protocol transmission module. And the classified storage module is used for classifying and storing the audio and video signals received by the streaming media server module according to time and equipment.
The mobile client includes: the mobile terminal comprises a mobile terminal communication module, a mobile terminal acquisition module, a mobile terminal decryption module, a mobile terminal decoding module and a mobile terminal playing module.
The mobile terminal communication module is used for acquiring the streaming media service address of the streaming media server module from the system server. And the mobile terminal acquisition module is used for acquiring the audio and video signals from the streaming media server module according to the streaming media service address acquired by the mobile terminal communication module. And the mobile terminal decryption module is used for decrypting the audio and video signals acquired by the mobile terminal acquisition module. And the mobile terminal decoding module is used for decoding the audio and video signals decrypted by the mobile terminal decryption module. The mobile terminal playing module is used for playing the audio and video signals decoded by the mobile terminal decoding module.
As a preferred embodiment, the data acquisition end further comprises an acquisition end communication module. The system server also includes a server communication module.
The acquisition terminal communication module is used for transmitting the equipment information of the audio and video acquisition module to the system server, and in the application, the equipment information comprises an equipment IP address and an equipment number. The server communication module is used for receiving the equipment information sent by the acquisition terminal communication module. The server communication module also sends the acquired equipment information to the mobile terminal communication module.
As a preferred embodiment, the server communication module is further configured to send a streaming media service address to the collection-side communication module and the mobile-side communication module. And after receiving the streaming media service address, the acquisition terminal communication module transmits the acquired audio and video to the system server through the streaming media service address. And after receiving the streaming media service address, the mobile terminal communication module acquires the audio and video signal from the streaming media service address through the mobile terminal acquisition module.
As a preferred embodiment, the mobile terminal communication module is further configured to send a parameter setting instruction to the server communication module. And the server communication module sends the parameter setting instruction to the acquisition terminal communication module. And the acquisition terminal communication module sends the received parameter setting instruction to the audio and video acquisition module. And the audio and video acquisition module adjusts the parameters of the audio and video acquisition module according to the parameter setting instruction. The parameters of these adjustments include video resolution, video brightness, video contrast, etc.
As a preferred embodiment, the mobile terminal communication module further includes: and an audio and video downloading module.
The audio and video downloading module is used for downloading audio and video signals from the classified storage module of the system server. The downloaded audio and video signals are decrypted by the mobile terminal decryption module and decoded by the mobile terminal decoding module and then played by the mobile terminal playing module.
As a preferred embodiment, the system server further comprises: the system comprises an administrator management module, an acquisition equipment management module, a server decryption module, a server decoding module and a server playing module.
And the administrator management module is used for adding or deleting management personnel and setting the authority of the management personnel. The server decryption module is used for decrypting the audio and video signals in the streaming media server module. The server decoding module is used for decoding the audio and video signals decrypted by the server decryption module. The server playing module is used for playing the audio and video signals decoded by the server decoding module. Therefore, the system server can also play and collect the audio and video signals collected by the client.
As an optional implementation manner, the portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol further includes a third party supervision end. The third party supervising end is connected with the system server and the mobile client through a wireless network. And the third party supervision terminal is used for supervising the audio and video signals acquired by the mobile client.
Specifically, the third party supervision side comprises: the monitoring terminal comprises a monitoring terminal communication module, a monitoring terminal acquisition module, a monitoring terminal decryption module, a monitoring terminal decoding module, a monitoring terminal analysis module and an alarm module. The supervision terminal communication module is used for receiving the streaming media service address sent by the mobile terminal communication module of the mobile client. And the mobile client sends the streaming media service address to the supervision terminal communication module after acquiring the streaming media service address from the system server. The monitoring terminal acquisition module is used for synchronously acquiring audio and video signals from the streaming media server module according to the streaming media service address. And the monitoring end decryption module is used for decrypting the audio and video signals acquired by the monitoring end acquisition module. And the monitoring end decoding module is used for decoding the audio and video signals decrypted by the monitoring end decryption module. And the monitoring terminal analysis module is used for intelligently analyzing the audio and video signals decoded by the monitoring terminal decoding module so as to identify target content. The alarm module is used for sending an alarm signal when the monitoring end analysis module identifies the target content. Therefore, when the mobile client side obtains the audio and video signals from the system server, the third party monitoring end can synchronously obtain the audio and video signals and can analyze whether the audio and video signals contain illegal data (such as illegal data of violence, pornography and the like) through the monitoring end analysis module. And when the fact that the audio and video signals acquired by the mobile client currently have illegal data is identified, an alarm signal is sent to a corresponding supervisor through an alarm module. Therefore, the mobile client can be supervised in real time.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (3)
1. A portable audio/video acquisition, storage and forwarding system based on RTMP/RTSP protocol is characterized by comprising: the system comprises a data acquisition end, a system server and a mobile client, wherein the data acquisition end and the mobile client are wirelessly connected to the system server through a wireless network;
the data acquisition end is used for acquiring and processing data and then sending the data to the system server;
the mobile client is used for checking the data sent to the system server and setting parameters of the data acquisition terminal through the system server;
the data acquisition end comprises:
the audio and video acquisition module is used for acquiring audio and video signals;
the audio and video coding module is used for coding the audio and video collected by the audio and video collecting module;
the audio and video encryption module is used for encrypting the audio and video signals coded by the audio and video coding module;
the RTMP/RTSP protocol transmission module is used for receiving the audio and video signals encrypted by the audio and video encryption module and pushing the audio and video signals to the system server through a related protocol;
the system server includes:
the streaming media server module is used for receiving the audio and video signals pushed by the RTMP/RTSP protocol transmission module;
the classified storage module is used for classifying and storing the audio and video signals received by the streaming media server module according to time and equipment;
the mobile client includes:
the mobile terminal communication module is used for acquiring the streaming media service address of the streaming media server module from the system server;
the mobile terminal acquisition module is used for acquiring the audio and video signals from the streaming media server module according to the streaming media service address acquired by the mobile terminal communication module;
the mobile terminal decryption module is used for decrypting the audio and video signals acquired by the mobile terminal acquisition module;
the mobile terminal decoding module is used for decoding the audio and video signals decrypted by the mobile terminal decryption module;
the mobile terminal playing module is used for playing the audio and video signals decoded by the mobile terminal decoding module;
the audio and video downloading module is used for downloading the audio and video signals from the classified storage module of the system server;
the downloaded audio and video signals are decrypted by the mobile terminal decryption module and decoded by the mobile terminal decoding module and then played by the mobile terminal playing module;
the system server further comprises:
the administrator management module is used for adding or deleting management personnel and setting the authority of the management personnel;
the server decryption module is used for decrypting the audio and video signals in the streaming media server module;
the server decoding module is used for decoding the audio and video signals decrypted by the server decryption module;
the server playing module is used for playing the audio and video signals decoded by the server decoding module;
the portable audio/video acquisition, storage and forwarding system based on the RTMP/RTSP protocol further comprises a third party supervision end;
the third party supervising end is connected with the system server and the mobile client through a wireless network;
the third party monitoring terminal is used for monitoring the audio and video signals acquired by the mobile client;
the third party supervision terminal comprises:
the monitoring end communication module is used for receiving the streaming media service address sent by the mobile end communication module of the mobile client, and sending the streaming media service address to the monitoring end communication module after the mobile client acquires the streaming media service address from the system server;
the monitoring end acquisition module is used for synchronously acquiring the audio and video signals from the streaming media server module according to the streaming media service address;
the monitoring terminal decryption module is used for decrypting the audio and video signals acquired by the monitoring terminal acquisition module;
the monitoring terminal decoding module is used for decoding the audio and video signals decrypted by the monitoring terminal decryption module;
the monitoring terminal analysis module is used for intelligently analyzing the audio and video signals decoded by the monitoring terminal decoding module so as to identify target content;
the alarm module is used for sending an alarm signal when the monitoring end analysis module identifies the target content;
the data acquisition end further comprises:
the acquisition terminal communication module is used for transmitting the equipment information of the audio and video acquisition module to the system server;
the system server further comprises:
the server communication module is used for receiving the equipment information sent by the acquisition terminal communication module;
the server communication module also sends the acquired equipment information to the mobile terminal communication module;
the equipment information comprises an equipment IP address and an equipment number;
the audio and video encryption module is used for carrying out AES256 encryption on the encoded audio and video signals;
the audio and video coding module codes audio signals in the audio and video signals into H264 format data, codes video signals in the audio and video signals into AAC format data, and then mixes and encapsulates the coded audio signals and the coded video signals into data streams.
2. The RTMP/RTSP-based portable audio/video acquisition, storage and forwarding system according to claim 1,
the server communication module is further configured to send the streaming media service address to the acquisition end communication module and the mobile end communication module.
3. The RTMP/RTSP-based portable audio/video acquisition, storage and forwarding system according to claim 2,
the mobile terminal communication module is also used for sending a parameter setting instruction to the server communication module;
the server communication module sends the parameter setting instruction to the acquisition terminal communication module;
the acquisition terminal communication module sends the received parameter setting instruction to the audio and video acquisition module;
and the audio and video acquisition module adjusts the parameters of the audio and video acquisition module according to the parameter setting instruction.
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