CN113206888A - Real-time video streaming transmission method and device based on RTSP (real time streaming protocol) - Google Patents
Real-time video streaming transmission method and device based on RTSP (real time streaming protocol) Download PDFInfo
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- CN113206888A CN113206888A CN202110509677.8A CN202110509677A CN113206888A CN 113206888 A CN113206888 A CN 113206888A CN 202110509677 A CN202110509677 A CN 202110509677A CN 113206888 A CN113206888 A CN 113206888A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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Abstract
The application provides a real-time video streaming transmission method and a device based on RTSP, the real-time video streaming transmission method based on RTSP comprises the following steps: creating a WEBRTC P2P channel; acquiring frame data conforming to a preset video coding and decoding standard from the RTSP video stream; performing target detection and frame data reconstruction processing on the frame data to obtain a data stream with a preset video format; and transmitting the data stream to the WebRTC P2P channel so that the user end can play and/or control the video stream through the WebRTC API of the browser. The RTSP-based real-time video streaming transmission method and device can reduce the requirement on the computing capacity of the user side, reduce the frame skipping or resource exhaustion condition, and reduce the complexity of the user side on the corresponding service level, so that the user side can directly play or control the video.
Description
Technical Field
The application relates to the technical field of video transmission, in particular to a real-time video streaming transmission method and device based on RTSP.
Background
RTSP, real-time streaming protocol, which defines how one-to-many applications can efficiently transmit multimedia data over IP networks, is a video transport protocol used by the mainstream IP cameras on the market.
At present, the detection and transmission of real-time video stream based on RTSP are mainly pushed to the user side through webscocket, but the webscocket pushing mode requires that the user side has a relatively strong computing power, otherwise frame skipping or resource exhaustion is easy to occur, and the user side needs to do extra work to render frame data instead of directly playing video, which adds a cumbersome processing work to the user side.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method and an apparatus for real-time video streaming based on RTSP, which can reduce the requirement for the computing capability of a user side, reduce frame skipping or resource exhaustion, and reduce the complexity of the user side on the corresponding service level, so that the user side can directly play or control a video.
In a first aspect, an embodiment of the present application provides a real-time video streaming method based on RTSP, including:
creating a WEBRTC P2P channel;
acquiring frame data conforming to a preset video coding and decoding standard from the RTSP video stream;
performing target detection and frame data reconstruction processing on the frame data to obtain a data stream with a preset video format;
and transmitting the data stream to the WebRTC P2P channel so that the user end can play and/or control the video stream through the WebRTC API of the browser.
In the above implementation process, in the RTSP-based real-time video stream transmission method according to the embodiment of the present application, frame data conforming to a predetermined video encoding and decoding standard is obtained from an RTSP video stream, frame data is subjected to target detection and frame data re-assembly processing to obtain a data stream in a predetermined video format, and the data stream is transmitted to a created WEBRTC P2P channel, so that a user end can play and/or control the video stream through a WEBRTC API of a browser.
Further, the performing target detection and processing of the reconstructed frame data on the frame data to obtain a data stream in a predetermined video format includes:
hard-coding the frame data into a predetermined video pixel format;
carrying out target detection on the frame data subjected to hard coding to obtain a corresponding detection result;
correspondingly marking the corresponding detection result on the hard-coded frame data;
and encoding the marked frame data into a data stream of a preset video format.
In the implementation process, the method can better perform target detection on the frame data, and can better encode the frame data into a WebRTC data stream widely supported by a browser for use by a user side.
Further, the predetermined video pixel format is a YUV, RGB or BGR video pixel format.
In the implementation process, the predetermined video pixel format adopts a YUV, RGB or BGR video pixel format, which can be better convenient for carrying out target detection on frame data and processing of recombined frame data.
Further, the predetermined video format is a VP8 video format.
In the implementation process, the predetermined video format adopts the VP8 video format, which can better facilitate the processing of frame data reorganization for frame data.
Further, the predetermined video codec standard is h.264 or h.265.
In the implementation process, the predetermined video encoding and decoding standard adopts h.264 or h.265, which can better ensure the implementation of the RTSP-based real-time video streaming method according to the embodiment of the present application.
In a second aspect, an embodiment of the present application provides an RTSP-based real-time video streaming apparatus, including:
the creating module is used for creating a WEBRTC P2P channel;
the acquisition module is used for acquiring frame data conforming to a preset video coding and decoding standard from the RTSP video stream;
the processing module is used for carrying out target detection and processing of reconstructed frame data on the frame data to obtain a data stream in a preset video format;
and the transmission module is used for transmitting the data stream to the WEBRTC P2P channel so that the user end can play and/or control the video stream through a WEBRTC API of the browser.
In the above implementation process, the RTSP-based real-time video streaming transmission device in this embodiment of the application obtains frame data that conforms to a predetermined video encoding and decoding standard from an RTSP video stream, performs target detection on the frame data and processing on the reconstructed frame data to obtain a data stream in a predetermined video format, and transmits the data stream to the created WEBRTC P2P channel, so that a user end can play and/or control the video stream through the WEBRTC API of the browser.
Further, the processing module is specifically configured to:
hard-coding the frame data into a predetermined video pixel format;
carrying out target detection on the frame data subjected to hard coding to obtain a corresponding detection result;
correspondingly marking the corresponding detection result on the hard-coded frame data;
and encoding the marked frame data into a data stream of a preset video format.
In the implementation process, the device can better perform target detection on the frame data, and can better encode the frame data into a WebRTC data stream widely supported by a browser for use by a user side.
Further, the predetermined video codec standard is h.264 or h.265.
In the implementation process, the predetermined video encoding and decoding standard adopts h.264 or h.265, which can better ensure the implementation of the RTSP-based real-time video streaming device according to the embodiment of the present application.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory and a processor, where the memory is used to store a computer program, and the processor runs the computer program to make the electronic device execute the above RTSP-based real-time video streaming method.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the RTSP-based real-time video streaming method described above.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic flowchart illustrating an RTSP-based real-time video streaming method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of step S130 according to a first embodiment of the present application;
fig. 3 is a block diagram illustrating a structure of an RTSP-based real-time video streaming apparatus according to a second embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
At present, the detection and transmission of real-time video stream based on RTSP are mainly pushed to the user side through webscocket, but the webscocket pushing mode requires that the user side has a relatively strong computing power, otherwise frame skipping or resource exhaustion is easy to occur, and the user side needs to do extra work to render frame data instead of directly playing video, which adds a cumbersome processing work to the user side.
In view of the above problems in the prior art, the present application provides a real-time video streaming method and apparatus based on RTSP, which can reduce the requirement for the computing power of the user side, reduce the frame skipping or resource exhaustion, and reduce the complexity of the user side at the corresponding service level, so that the user side can directly play or control the video.
Example one
Referring to fig. 1, fig. 1 is a flowchart illustrating an RTSP-based real-time video streaming method according to an embodiment of the present disclosure. The RTSP-based real-time video streaming method described below in the embodiment of the present application may be applied to the server.
The RTSP-based real-time video streaming transmission method in the embodiment of the application comprises the following steps:
in step S110, a WEBRTC P2P channel is created.
In this embodiment, Web Real-Time Communication (WEBRTC), which is originated from Web instant messaging, is an API supporting a Web browser to perform Real-Time voice conversation or video conversation.
It is to be understood that the created WEBRTC P2P channel may be used for the transmission of data streams.
Step S120, obtaining frame data conforming to the predetermined video encoding and decoding standard from the RTSP video stream.
In the present embodiment, the RTSP video stream may be obtained by the corresponding image capturing apparatus.
The predetermined video coding and decoding standard is a preset video coding and decoding standard.
Alternatively, the predetermined video codec standard may be h.263 or h.264, or the like.
When frame data conforming to the predetermined video codec standard is acquired from the RTSP video stream, the frame data conforming to the predetermined video codec standard may be acquired frame by frame from the RTSP video stream.
Step S130, performing target detection and frame data reconstruction processing on the frame data to obtain a data stream in a predetermined video format.
In this embodiment, the frame data is subjected to target detection, that is, target detection is performed on an object in an image corresponding to the frame data, where the target of the target detection may be a preset object, for example, the target of the target detection may be a vehicle, a license plate, or the like.
Alternatively, the target detection of the frame data may be performed by an image recognition algorithm.
The process of reconstructing frame data from frame data may be a process of encoding frame data or the like.
The predetermined video format is a preset video format.
Step S140, the data stream is transmitted to the WEBRTC P2P channel, so that the user end can play and/or control the video stream through the WEBRTC API of the browser.
In this embodiment, after the data stream is transmitted to the WEBRTC P2P channel, the corresponding client can directly play and/or control the video stream through the WEBRTC API of the browser.
According to the RTSP-based real-time video stream transmission method, frame data which are consistent with a preset video coding and decoding standard are obtained from an RTSP video stream, target detection and frame data recombination processing are carried out on the frame data to obtain a data stream of a preset video format, the data stream is transmitted to a created WEBRTC P2P channel, so that a user end can play and/or control the video stream through a WEBRTC API of a browser, the method can reduce the requirement on the computing capacity of the user end, reduce the frame skipping or resource exhaustion condition, and the user end does not need to do extra work to render the frame data, so that the complexity of the user end on a corresponding service level can be reduced, and the user end can directly play or control the video.
Referring to fig. 2, fig. 2 is a schematic flowchart of step S130 provided in the embodiment of the present application.
In some embodiments of the present application, in the RTSP-based real-time video streaming method according to this embodiment, the step S130 of performing target detection on frame data and processing to reconstruct the frame data to obtain a data stream in a predetermined video format may include the following steps:
step S131, hard-coding the frame data into a predetermined video pixel format;
step S132, carrying out target detection on the frame data subjected to hard coding to obtain a corresponding detection result;
step S133, correspondingly marking the corresponding detection result on the frame data after the hard coding;
in step S134, the frame data after the mark processing is encoded into a data stream of a predetermined video format.
The predetermined video pixel format is a preset video pixel format.
When the corresponding detection result is correspondingly marked on the hard-coded frame data, the corresponding detection result can be correspondingly marked on the hard-coded frame data through the marking box.
It should be noted that the frame data after the mark processing may be frame data having a detection result corresponding to a mark, or frame data having no detection result, that is, frame data after hard coding does not have a corresponding detection result, and step S133 is executed to mark the corresponding detection result onto the frame data after hard coding, only the detection result corresponding to the no mark of the frame data after hard coding.
In the process, the method can better perform target detection on the frame data, and can better encode the frame data into a WebRTC data stream widely supported by a browser for use by a user side.
In some embodiments of the present application, the predetermined video pixel format is a YUV, RGB or BGR video pixel format.
In the process, the predetermined video pixel format adopts a YUV, RGB or BGR video pixel format, so that the target detection and the processing of the recombined frame data of the frame data can be better facilitated.
In some embodiments of the present application, the predetermined video format is a VP8 video format.
In the above process, the predetermined video format adopts the VP8 video format, which can better facilitate the processing of the frame data for re-assembling the frame data.
In some embodiments of the present application, the predetermined video codec standard is h.264 or h.265.
In the above process, the predetermined video encoding and decoding standard adopts h.264 or h.265, which can better ensure the implementation of the RTSP-based real-time video streaming method according to the embodiment of the present application.
Example two
In order to implement the corresponding method of the above-mentioned embodiments to achieve the corresponding functions and technical effects, the following provides a real-time video streaming apparatus based on RTSP.
Referring to fig. 3, fig. 3 is a block diagram illustrating a structure of an RTSP-based real-time video streaming apparatus according to an embodiment of the present disclosure.
The real-time video streaming device based on RTSP of the embodiment of the application includes:
a creating module 210, configured to create a WEBRTC P2P channel;
an obtaining module 220, configured to obtain frame data conforming to a predetermined video encoding and decoding standard from the RTSP video stream;
the processing module 230 is configured to perform target detection on the frame data and process the reconstructed frame data to obtain a data stream in a predetermined video format;
and the transmission module 240 is configured to transmit the data stream to the WEBRTC P2P channel, so that the user end can play and/or control the video stream through the WEBRTC API of the browser.
The RTSP-based real-time video streaming transmission device in the embodiment of the application obtains frame data conforming to a predetermined video encoding and decoding standard from an RTSP video stream, performs target detection and processing on frame data to obtain a data stream in a predetermined video format, and transmits the data stream to a created WEBRTC P2P channel, so that a user can play and/or control the video stream through a WEBRTC API of a browser.
As an optional implementation manner, the processing module 230 may specifically be configured to:
hard-coding the frame data into a predetermined video pixel format;
carrying out target detection on the frame data subjected to hard coding to obtain a corresponding detection result;
correspondingly marking the corresponding detection result on the frame data after the hard coding;
and encoding the marked frame data into a data stream of a preset video format.
The RTSP-based real-time video streaming apparatus may implement the RTSP-based real-time video streaming method according to the first embodiment. The alternatives in the first embodiment are also applicable to the present embodiment, and are not described in detail here.
The rest of the embodiments of the present application may refer to the contents of the first embodiment, and in this embodiment, details are not repeated.
EXAMPLE III
An embodiment of the present application provides an electronic device, which includes a memory and a processor, where the memory is used to store a computer program, and the processor runs the computer program to enable the electronic device to execute the above RTSP-based real-time video streaming method.
Alternatively, the electronic device may be a server.
In addition, an embodiment of the present application further provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the RTSP-based real-time video streaming method described above.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A RTSP-based real-time video streaming method, comprising:
creating a WEBRTC P2P channel;
acquiring frame data conforming to a preset video coding and decoding standard from the RTSP video stream;
performing target detection and frame data reconstruction processing on the frame data to obtain a data stream with a preset video format;
and transmitting the data stream to the WebRTC P2P channel so that the user end can play and/or control the video stream through the WebRTC API of the browser.
2. The RTSP-based real-time video streaming method according to claim 1, wherein the target detection and frame data re-assembly process of the frame data to obtain a data stream with a predetermined video format, comprises:
hard-coding the frame data into a predetermined video pixel format;
carrying out target detection on the frame data subjected to hard coding to obtain a corresponding detection result;
correspondingly marking the corresponding detection result on the hard-coded frame data;
and encoding the marked frame data into a data stream of a preset video format.
3. The RTSP-based real-time video streaming method according to claim 2, characterized in that said predetermined video pixel format is a YUV, RGB or BGR video pixel format.
4. The RTSP-based real-time video streaming method according to claim 2, characterized in that said predetermined video format is the VP8 video format.
5. The RTSP-based real-time video streaming method according to claim 1, characterized in that said predetermined video codec standard is h.264 or h.265.
6. An RTSP-based real-time video streaming apparatus, comprising:
the creating module is used for creating a WEBRTC P2P channel;
the acquisition module is used for acquiring frame data conforming to a preset video coding and decoding standard from the RTSP video stream;
the processing module is used for carrying out target detection and processing of reconstructed frame data on the frame data to obtain a data stream in a preset video format;
and the transmission module is used for transmitting the data stream to the WEBRTC P2P channel so that the user end can play and/or control the video stream through a WEBRTC API of the browser.
7. The RTSP-based real-time video streaming device according to claim 6, characterized in that the processing module is specifically configured to:
hard-coding the frame data into a predetermined video pixel format;
carrying out target detection on the frame data subjected to hard coding to obtain a corresponding detection result;
correspondingly marking the corresponding detection result on the hard-coded frame data;
and encoding the marked frame data into a data stream of a preset video format.
8. The RTSP-based real-time video streaming device according to claim 6, characterized in that said predefined video codec standard is h.264 or h.265.
9. An electronic device, comprising a memory for storing a computer program and a processor for executing the computer program to cause the electronic device to perform the RTSP-based real-time video streaming method according to any one of claims 1-5.
10. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by a processor, implements the RTSP-based real-time video streaming method according to any one of claims 1 to 5.
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