CN111787361B - RTSP video streaming transmission method, system, equipment and storage medium - Google Patents
RTSP video streaming transmission method, system, equipment and storage medium Download PDFInfo
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- CN111787361B CN111787361B CN202010668995.4A CN202010668995A CN111787361B CN 111787361 B CN111787361 B CN 111787361B CN 202010668995 A CN202010668995 A CN 202010668995A CN 111787361 B CN111787361 B CN 111787361B
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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
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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
- H04N21/437—Interfacing the upstream path of the transmission network, e.g. for transmitting client requests to a VOD server
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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, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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]
Abstract
The invention discloses a RTSP video streaming transmission method.A playing segment sends an RTSP playing request with a random key to a video on demand management end, and the video on demand management end transmits the RTSP playing request to a streaming end; the stream pushing end packs data into an RTP packet, encrypts load data, generates an RTSP on-demand address, pushes the RTP packet to a distribution server, and returns the RTSP on-demand address to the video on-demand management end; the playing end carries out video on demand by using the returned RTSP on demand address, and calls an RTP packet of the distribution server to carry out unpacking, load data decryption, splicing and playing; therefore, the problem that the RTSP video stream is easy to record and illegally spread is solved, and the safety of the video information is ensured.
Description
Technical Field
The invention relates to the technical field of videos, in particular to a method, a system and equipment for RTSP video streaming transmission and a storage medium.
Background
The pay-per-view video mode is a core service of many platforms, and if the video is recorded and illegally spread, the pay-per-view service is seriously threatened. Techniques for encrypting video services are becoming particularly important. Video encryption is to make the video to be protected not be downloaded easily, and even if the content is downloaded, the encrypted content is also encrypted, and it is very costly for others to unlock the encrypted content.
Conventional encryption systems are not designed for large continuous media, especially video. The design of a secure streaming media system is not straightforward. Streaming video, a complex encryption algorithm, increases its potential cost, and the increase in the possible bit rate causes a huge increase in the amount of computation, further driving up its cost.
Therefore, how to provide a transmission method, system, device and storage medium to ensure the security of video information is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a method, a system, a device and a storage medium for RTSP video stream transmission, which aims to ensure the security of video information for the problem that the RTSP video stream is easily recorded and illegally distributed; RTSPSERVER which is universal in the market can be directly supported, the Server is not required to be modified, the universality is strong, and only encryption of the push end and decryption of the play end are required.
In order to achieve the above purpose, the invention provides the following technical scheme:
an RTSP video streaming transmission method is applied to a playing end and comprises the following specific steps:
sending an RTSP playing request, wherein the RTSP playing request is attached with a random key; transmitting the RTSP playing request to a stream pushing end through a video on demand management end so as to enable the stream pushing end to pack data into an RTP packet, encrypt load data and generate an RTSP on demand address, transmitting the RTP packet to a distribution server and returning the RTSP on demand address to the video on demand management end; and carrying out video on demand by using the returned RTSP on demand address, and calling the RTP packet of the distribution server to unpack, decrypt, splice and play the load data.
Preferably, in the above-mentioned RTSP video streaming method, the random key is a random string.
Preferably, in the above RTSP video streaming method, after receiving the RTSP play request, the streaming end packages H264 frame data into a plurality of RTP packets, encrypts the payload data in the RTP packets by using the random key through a 256-bit AES transformation algorithm, and sends the encrypted payload data to the distribution server, and meanwhile returns an RTSP on-demand address to the video-on-demand management end.
Preferably, in the above RTSP video streaming method, the playing end obtains an RTSP on-demand address, accesses the distribution server by using the RTSP on-demand address, receives an RTP packet, unpacks the received RTP packet, decrypts the load data by using the 256-bit AES transformation algorithm through the random key, and synthesizes H264 frame data for playing.
An RTSP video streaming system, comprising:
the playing end is used for sending an RTSP playing request with a random key, receiving an RTSP on-demand address transmitted by the video on-demand management end, carrying out video on-demand by using the returned RTSP on-demand address, and calling an RTP packet of the distribution server to unpack, decrypt, splice and play the load data;
the video on demand management terminal is used for receiving the RTSP playing request and transmitting the RTSP playing request to the stream pushing terminal;
the stream pushing end is used for packaging the data into an RTP packet, encrypting the load data, generating an RTSP on-demand address, pushing the RTP packet to the distribution server, and returning the RTSP on-demand address to the video on-demand management end;
and the distribution server is used for receiving the RTP packet and forwarding the RTP packet according to the on-demand instruction of the playing end.
Preferably, in the above RTSP video streaming system, the stream pushing end includes a video encoding and packaging module and an encryption module; the video coding and packaging module is used for carrying out compression coding on video data to form standard H264 frame data, and carrying out RTP packaging and packaging on the compressed video to obtain a plurality of RTP packets; and the encryption module encrypts the load data in the RTP packet by the 256-bit AES (advanced encryption standard) deformation algorithm through the random key, sends the encrypted load data to the distribution server, and simultaneously returns an RTSP (real time streaming protocol) on-demand address to the video on-demand management end.
Preferably, in the above RTSP video streaming system, the playing end includes a video encoding and unpacking module and a decryption module; the video coding unpacking module unpacks the RTP packet forwarded by the distribution server, and simultaneously decrypts the load data by the random key by using a 256-bit AES (advanced encryption Standard) deformation algorithm to synthesize H264 frame data for playing.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of any of the above methods when executing the computer program.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any of the above.
Through the technical scheme, compared with the prior art, the invention discloses and provides an RTSP video streaming transmission method, a system, equipment and a storage medium, wherein a playing segment sends an RTSP playing request with a random key to a video-on-demand management end, and the video-on-demand management end transmits the RTSP playing request to a streaming end; the stream pushing end packs data into an RTP packet, encrypts load data, generates an RTSP on-demand address, pushes the RTP packet to a distribution server, and returns the RTSP on-demand address to the video on-demand management end; the playing end carries out video on demand by using the returned RTSP on demand address, and calls an RTP packet of the distribution server to carry out unpacking, load data decryption, splicing and playing; therefore, the problem that the RTSP video stream is easy to record and illegally spread is solved, and the safety of the video information is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flowchart illustrating an RTSP video streaming method according to the present invention;
FIG. 2 is a block diagram of an RTSP video streaming system of the present invention;
FIG. 3 is a block diagram of the structure of the plug flow end of the present invention;
FIG. 4 is a block diagram of a playing side according to the present invention;
fig. 5 is a diagram showing an internal structure of a computer device 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In an embodiment, as shown in fig. 1, an RTSP video streaming method is applied to a playing end, and includes the following specific steps:
sending an RTSP playing request, wherein the RTSP playing request is attached with a random key;
transmitting the RTSP playing request to an RTSP stream pushing end through a video on demand management end so as to enable the RTSP stream pushing end to package data into an RTP packet, encrypt load data and generate an RTSP on demand address, pushing the RTP packet to an RTSP streaming media distribution server, and returning the RTSP on demand address to the video on demand management end;
and carrying out video on demand by using the returned RTSP on demand address, and calling an RTP packet of the RTSP streaming media distribution server to unpack, decrypt, splice and play the load data.
In this embodiment, the random key is a random string.
It is to be understood that: the AES encryption standard, also known as the advanced encryption standard Rijndael encryption method, is the 21 st century encryption standard by the national institute of standards and technology, NIST, which is intended to replace DES. The basic requirement of AES is that, with a symmetric block cipher system, the key length can be 128, 192 or 256 bits, the block length is 128 bits, and the algorithm should be easy to implement on various hardware and software.
The method comprises the following steps:
-key expansion (KeyExpansion);
initial round (initial round);
③ repetition Rounds (Rounds), each of which comprises operations such as byte-to-byte subtraction (SubBytes), row shifting (ShiftRows), column mixing (MixColumns), round key addition (AddRoundKey), and the like;
(Final round) with no column mixing operation (MixColumns).
In this embodiment, the RTSP streaming end packages the H264 frame data into a plurality of RTP packets after receiving the RTSP play request, encrypts the load data in the RTP packets by using the random key through the 256-bit AES transformation algorithm, sends the encrypted load data to the RTSP streaming media distribution server, and returns the RTSP on-demand address to the video on-demand management end.
In this embodiment, the playing end obtains an RTSP on-demand address, accesses the RTSP streaming media distribution server by using the RTSP on-demand address, receives an RTP packet, unpacks the received RTP packet, decrypts the load data by using a 256-bit AES transformation algorithm through a random key, and synthesizes H264 frame data to play.
The process of decrypting the payload data by the random key by using the 256-bit AES deformable algorithm is the reverse process of the encryption process.
In another embodiment, an RTSP video stream encryption method is applied to an RTSP stream pushing end, and includes the following steps:
acquiring an RTSP playing request, wherein the RTSP playing request is attached with a random key;
packing the data into an RTP packet, encrypting the load data, generating an RTSP on-demand address, pushing the RTP packet to an RTSP streaming media distribution server, and returning the RTSP on-demand address to a video on-demand management end;
specifically, video data is compressed and encoded to form standard H264 frame data, and the compressed video is subjected to RTP (real-time transport protocol) packaging and packaging to obtain a plurality of RTP packets; the encryption module encrypts the load data in the RTP packet by a 256-bit AES (advanced encryption standard) deformation algorithm through a random key, sends the encrypted load data to the RTSP streaming media distribution server, and simultaneously returns an RTSP on-demand address to the video on-demand management end.
In another embodiment, a RTSP video stream decryption method is applied to a playing end, and specifically includes the following steps: and the playing end carries out video on demand by utilizing the returned RTSP on demand address, and calls an RTP packet of the RTSP streaming media distribution server to carry out unpacking, load data decryption, splicing and playing.
Specifically, the received RTP packet is unpacked, and the payload data is decrypted by a random key through a 256-bit AES transformation algorithm, so as to synthesize H264 frame data and play the data.
In one embodiment, there is provided an RTSP video streaming system, as shown in fig. 2, including:
a playing terminal for sending RTSP playing request with random key, receiving RTSP on-demand address transferred by video on-demand management terminal, utilizing returned RTSP on-demand address to make video on-demand and calling
The RTP packet of the RTSP streaming media distribution server is unpacked, the load data is decrypted, spliced and played;
the video on demand management terminal is used for receiving the RTSP playing request and transmitting the RTSP playing request to the RTSP streaming pushing terminal;
the RTSP pushing end is used for packaging the data into an RTP packet, encrypting the load data, generating an RTSP on-demand address, pushing the RTP packet to an RTSP streaming media distribution server, and returning the RTSP on-demand address to the video on-demand management end;
and the RTSP streaming media distribution server is used for receiving the RTP packet and forwarding the RTP packet according to the on-demand instruction of the playing end.
In one embodiment, as shown in fig. 3, an RTSP push streaming end is provided, which includes a video encoding and packaging module and an encryption module; the video coding and packaging module is used for carrying out compression coding on video data to form standard H264 frame data, and carrying out RTP packaging and packaging on the compressed video to obtain a plurality of RTP packets; the encryption module encrypts the load data in the RTP packet by a 256-bit AES (advanced encryption standard) deformation algorithm through a random key, sends the encrypted load data to the RTSP streaming media distribution server, and simultaneously returns an RTSP on-demand address to the video on-demand management end.
In one embodiment, as shown in fig. 4, a play-back end is provided, which includes a video encoding unpacking module and a decryption module; the video coding unpacking module unpacks the RTP packet forwarded by the RTSP streaming media distribution server, and simultaneously decrypts the load data by using a 256-bit AES (advanced encryption Standard) deformation algorithm through a random key to synthesize H264 frame data for playing.
In one embodiment, a computer device is provided, as shown in FIG. 5, comprising a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement an RTSP video streaming method.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any of the above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by specifying the relevant hardware via a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. An RTSP video streaming transmission method is characterized by being applied to a playing end and comprising the following specific steps: sending an RTSP playing request, wherein the RTSP playing request is attached with a random key;
transmitting the RTSP playing request to a stream pushing end through a video on demand management end so as to enable the stream pushing end to pack data into an RTP packet, encrypt load data and generate an RTSP on demand address, transmitting the RTP packet to a distribution server and returning the RTSP on demand address to the video on demand management end;
performing video on demand by using the returned RTSP on demand address, and calling the RTP packet of the distribution server to perform unpacking, load data decryption, splicing and playing;
the random key is a random character string;
after receiving the RTSP playing request, the stream pushing end packs H264 frame data into a plurality of RTP packets, encrypts load data in the RTP packets by a 256-bit AES (advanced encryption standard) deformation algorithm through the random key, sends the encrypted load data to the distribution server, and simultaneously returns an RTSP on-demand address to the video on-demand management end;
the playing end acquires an RTSP on-demand address, accesses the distribution server by using the RTSP on-demand address, receives an RTP packet, and transmits the received RTP packet
Unpacking the packet, decrypting the load data by using the 256-bit AES deformation algorithm through the random key, synthesizing H264 frame data and playing.
2. An RTSP video streaming system, comprising: the playing end is used for sending an RTSP playing request with a random key, receiving an RTSP on-demand address transmitted by the video on-demand management end, carrying out video on-demand by using the returned RTSP on-demand address, and calling an RTP packet of the distribution server to unpack, decrypt, splice and play the load data; the video on demand management terminal is used for receiving the RTSP playing request and transmitting the RTSP playing request to the stream pushing terminal; the stream pushing end is used for packaging the data into an RTP packet, encrypting the load data, generating an RTSP on-demand address, pushing the RTP packet to the distribution server, and returning the RTSP on-demand address to the video on-demand management end; the distribution server is used for receiving the RTP packet and forwarding the RTP packet according to the on-demand instruction of the playing end;
the stream pushing end comprises a video coding and packaging module and an encryption module; the video coding and packaging module is used for carrying out compression coding on video data to form standard H264 frame data, and carrying out RTP packaging and packaging on the compressed video to obtain a plurality of RTP packets; the encryption module encrypts the load data in the RTP packet by a 256-bit AES (advanced encryption standard) deformation algorithm through the random key, sends the encrypted load data to the distribution server, and simultaneously returns an RTSP (real time streaming protocol) on-demand address to the video on-demand management end;
the playing end comprises a video coding unpacking module and a decryption module; the video coding unpacking module unpacks the RTP packet forwarded by the distribution server, and simultaneously decrypts the load data by the random key by using a 256-bit AES (advanced encryption Standard) deformation algorithm to synthesize H264 frame data for playing.
3. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method as claimed in claim 1 are implemented when the processor executes the computer program.
4. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method as claimed in claim 1.
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| US11822701B2 (en) * | 2021-04-09 | 2023-11-21 | VIQ Solutions Inc. | Securing and managing offline digital evidence with a smart data lease system |
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| CN101951491B (en) * | 2010-09-07 | 2012-05-23 | 中国联合网络通信集团有限公司 | Method and system for playing video services |
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Denomination of invention: A method, system, device and storable medium for RTSP video streaming transmission Effective date of registration: 20220927 Granted publication date: 20220211 Pledgee: Bank of China Limited Hefei Branch Pledgor: ANHUI YUNSEN INTERNET OF THINGS TECHNOLOGY Co.,Ltd. Registration number: Y2022980016604 |