CN112995752A - Full-view interactive live broadcast method, system, terminal and computer readable storage medium - Google Patents
Full-view interactive live broadcast method, system, terminal and computer readable storage medium Download PDFInfo
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- CN112995752A CN112995752A CN201911277224.6A CN201911277224A CN112995752A CN 112995752 A CN112995752 A CN 112995752A CN 201911277224 A CN201911277224 A CN 201911277224A CN 112995752 A CN112995752 A CN 112995752A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000002452 interceptive effect Effects 0.000 title claims abstract description 31
- 238000004590 computer program Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 230000006870 function Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
-
- 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
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Social Psychology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention provides a full-view interactive live broadcast method, which comprises the steps of obtaining a Uniform Resource Locator (URL) of a live video from a service background, and further obtaining a plurality of paths of video streams of the live video from a Content Delivery Network (CDN) platform through the URL; processing the multi-channel video stream according to the received video processing instruction to obtain a display video; operating the display video according to the received control instruction; the invention also discloses a full-view interactive live broadcast system, a terminal and a computer readable storage medium, wherein the program with the functions is stored, and the processor is used for implementing the scheme, so that the transmission delay of live video transmission is reduced in certain implementation processes, and the live video is played according to the requirements of users.
Description
Technical Field
The embodiment of the invention relates to the technical field of network live broadcast, in particular to a full-view interactive live broadcast method, a system, a terminal and a computer readable storage medium.
Background
With the rapid development of internet technology, intelligent terminals and 5G communication technology, the full viewing angle of live broadcast channels and the interaction of live broadcast video users become a novel video service of video services.
Live broadcast video full view angle, namely multi-channel video live broadcast, is gradually applied to some video service websites, for example, in some sports event live broadcast programs, a plurality of cameras are often arranged for comprehensively showing event progress and details, pictures can be switched in real time in live broadcast, and users not only want to watch live broadcast of a ball game, but also want to watch live broadcast of conditions such as expression close-ups of players at both sides of the game, reactions of audiences on a field and the like. The multiple video live broadcasts are usually realized by a player, that is, the player simultaneously obtains the content of the multiple video live broadcasts. However, the current multi-channel live video broadcasting requires that the audience has a very large network bandwidth and a strong hardware processing capability, and the definition and the time consistency cannot be improved and guaranteed.
Therefore, how to reduce the delay of live video transmission and how to play video according to the user requirements becomes an urgent problem to be solved.
Disclosure of Invention
The embodiment of the invention provides a full-view interactive live broadcast method, a system, a terminal and a computer readable storage medium, and mainly solves the problems that the time consistency of multi-channel video live broadcasts cannot be guaranteed at present, and video broadcasting cannot be carried out according to user requirements. In order to solve the above technical problem, an embodiment of the present invention provides a full-view interactive live broadcasting method, including:
acquiring a Uniform Resource Locator (URL) of a live video from a service background, and further acquiring a plurality of paths of video streams of the live video from a Content Delivery Network (CDN) platform through the URL;
processing the multi-channel video stream according to the received video processing instruction to obtain a display video;
and operating the display video according to the received control instruction.
Further, the present invention also provides a full-view interactive live broadcasting system, comprising:
the terminal is used for acquiring a URL of a live video from a service background, further acquiring a plurality of paths of video streams of the live video from a CDN platform through the URL, processing the plurality of paths of video streams according to a received video processing instruction to obtain a display video, and operating the display video according to a received control instruction;
the service background is used for returning the URL of the live video requested by the terminal;
and the CDN platform is used for returning the multi-channel video stream of the live video requested by the terminal.
Further, the present invention also provides a terminal, where the terminal includes a processor, a memory and a communication bus, where the memory has one or more computer programs, and the one or more computer programs can be executed by the one or more processors to implement the steps of the above-mentioned full-view interactive live broadcasting method.
Further, the present invention also provides a computer-readable storage medium storing one or more computer programs, which are executable by one or more processors to implement the steps of the above-mentioned full-view interactive live broadcasting method.
The invention has the beneficial effects that:
according to the full-view interactive live broadcast method provided by the embodiment of the invention, the URL of a live video is obtained from a business background, and then a plurality of paths of video streams of the live video are obtained from a CDN platform through the URL; processing the multi-channel video stream according to the received video processing instruction to obtain a display video; and operating the display video according to the received control instruction, reducing the transmission delay of live video transmission in certain implementation processes, and playing the live video according to user requirements.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a basic flowchart of a full-view interactive live broadcasting method according to an embodiment of the present invention;
fig. 2 is a flowchart of video stream acquisition according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating interaction between a user and a full-view interactive live system according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of a terminal according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
in order to solve the problem that the live video is high in time delay and cannot be played according to the requirements of users, the embodiment of the invention provides a full-view interactive live broadcasting method. Fig. 1 is a basic flowchart of a full-view interactive live broadcasting method provided in an embodiment of the present invention, where the method includes:
s101: and acquiring the URL of the live video from the service background.
After the user successfully logs in the terminal, the user selects the live video which the user wants to watch, and after the terminal receives a user instruction, the terminal firstly obtains the URL of the live video from the service background.
S102: and acquiring a plurality of paths of video streams of the live video from the CDN platform through the URL of the live video.
And then, obtaining the multi-channel video stream of the live video from the CDN platform through the URL of the live video, specifically, obtaining the multi-channel video stream of the live video from the CDN platform based on a Real Time Streaming Protocol (RTSP).
Fig. 2 is a flowchart of video stream acquisition according to an embodiment of the present invention, and it should be understood that a specific generation process of the multiple video streams includes: the method includes the steps that a plurality of cameras are installed on a live broadcast site, a plurality of angles of the live broadcast site are obtained, collected images are transmitted to the video codec through the Interface, and the video codec transmits coded videos to the CDN platform. The video may be transmitted to the CDN platform via UDP (User Datagram Protocol). And multiple paths of video streams on the CDN platform, namely video streams of all angles.
S103: and processing the multi-channel video stream according to the received video processing instruction to obtain a display video.
When a user wants to select a certain angle to watch videos and can switch the video angles, the terminal receives a corresponding video processing instruction, processes multiple paths of video streams to obtain videos with multiple viewing angles, the user selects a proper viewing angle according to the requirement of the user, and the user can also switch the viewing angles and select the favorite viewing angle in the process of watching the videos.
When a user wants to select the panoramic video, the terminal receives a corresponding video processing instruction, the multiple paths of video streams are spliced to generate a panoramic video code stream, and the panoramic video is displayed on a terminal interface finally. The user can adjust the video up, down, left and right at will, adjust the display range of the video, or adjust the video to overlook different viewing angles looking up and down.
S104: operating the display video according to the received control instruction
Specifically, the control command at least includes at least one of the following: pause, playback, fast forward, fast backward, zoom in, zoom out, the control command issued by the user may be a voice command or a direct operation command.
It should be understood that in the live broadcasting process, the user can immediately select to watch the highlight again under the condition that the user needs to watch the highlight, and in the process of watching the live video, the user can also operate according to the actual requirements of the user like watching a common video.
Specifically, video frame data is processed through a player to obtain pixel points, each pixel point is RGB data, the RGB value of each pixel point is adjusted to achieve the size of the pixel points which are scaled in an equal proportion, and the pixel points are spliced into video frames again, so that the video is scaled.
According to the full-view interactive live broadcast method provided by the embodiment of the invention, the URL of a live video is obtained from a business background, and then a plurality of paths of video streams of the live video are obtained from a CDN platform through the URL; processing the multi-channel video stream according to the received video processing instruction to obtain a display video; and operating the display video according to the received control instruction, reducing the transmission delay of live video transmission in certain implementation processes, and playing the live video according to user requirements.
Example two
In order to solve the problem of high time delay of live video, the embodiment of the invention provides a full-view interactive live broadcasting system. Fig. 3 is a schematic diagram of interaction between a user and a full-view interactive live system according to an embodiment of the present invention, where the system includes:
the terminal is used for acquiring a URL of a live video from a service background, further acquiring a plurality of paths of video streams of the live video from a CDN platform through the URL, processing the plurality of paths of video streams according to a received video processing instruction to obtain a display video, and operating the display video according to a received control instruction;
the service background is used for returning the URL of the live video requested by the terminal;
and the CDN platform is used for returning the multi-channel video stream of the live video requested by the terminal.
Specifically, multiple video streams of the live video may be acquired to the CDN platform based on the RTSP protocol.
In some embodiments, the system further includes a video capture processing device, configured to obtain a plurality of angles of a live broadcast site by installing a plurality of cameras in the live broadcast site, transmit captured images to a video codec through an interface, and transmit encoded video to the CDN platform by the video codec. For example, the HD-SDI interface may be used for video acquisition, and the video may be transmitted to the CDN platform via UDP protocol.
The embodiment of the invention provides a full-view interactive live broadcast system, which comprises: the terminal is used for acquiring the URL of the live video from the service background, further acquiring the multi-channel video stream of the live video from the CDN platform through the URL, processing the multi-channel video stream according to the received video processing instruction to obtain a display video, and operating the display video according to the received control instruction; the service background is used for returning the URL of the live video requested by the terminal; the CDN platform is used for returning a plurality of paths of video streams of the live video requested by the terminal; in some implementation processes, transmission delay of live video transmission is reduced, and live video playing is carried out according to user requirements.
EXAMPLE III
The present embodiment further provides a terminal, as shown in fig. 4, which includes a processor 41, a memory 42 and a communication bus 43, wherein:
the communication bus 43 is used for realizing connection communication between the processor 41 and the memory 42;
the processor 41 is configured to execute one or more computer programs stored in the memory 42 to implement at least one step of the full-view interactive live broadcasting method in the first embodiment.
The present embodiments also provide a computer-readable storage medium including volatile or non-volatile, removable or non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, computer program modules or other data. Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash Memory or other Memory technology, CD-ROM (Compact disk Read-Only Memory), Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer.
The computer readable storage medium in this embodiment may be used to store one or more computer programs, and the one or more computer programs stored therein may be executed by a processor to implement at least one step of the full-view interactive live broadcasting method in the first embodiment.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software (which may be implemented in computer program code executable by a computing device), firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit.
In addition, communication media typically embodies computer readable instructions, data structures, computer program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to one of ordinary skill in the art. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A full-view interactive live broadcasting method comprises the following steps:
acquiring a Uniform Resource Locator (URL) of a live video from a service background, and further acquiring a plurality of paths of video streams of the live video from a Content Delivery Network (CDN) platform through the URL;
processing the multi-channel video stream according to the received video processing instruction to obtain a display video;
and operating the display video according to the received control instruction.
2. The full-view interactive live broadcasting method of claim 1, wherein the generating of the multi-channel video stream comprises: the method comprises the steps of transmitting collected videos of at least two visual angles to a video coder-decoder, carrying out video coding on the videos of the at least two visual angles by the video coder-decoder to obtain multiple paths of video streams, and transmitting the multiple paths of video streams to a Content Delivery Network (CDN) platform.
3. The full-view interactive live method of claim 1, wherein the control instructions comprise at least one of: pause, playback, fast forward, fast reverse, zoom in, zoom out.
4. A full-view interactive live broadcasting method according to any one of claims 1-3, wherein said processing said multiple video streams according to received video processing instructions comprises: and when the content of the video processing instruction is to display multi-view videos, processing the multi-path video streams and displaying the videos of multiple views on a terminal interface.
5. The full-view interactive live broadcasting method as claimed in claim 4, wherein after displaying videos of a plurality of views on the terminal interface, further comprising selecting a video of one view for display and then switching views.
6. The full-view interactive live broadcasting method as claimed in claim 4, wherein the processing the multiple video streams according to the received video processing instruction comprises: and when the content of the video processing instruction is to display the panoramic video, splicing the multiple paths of video streams into a panoramic video code stream, and displaying the panoramic video on a terminal interface.
7. The full-view interactive live broadcasting method of claim 6, wherein after the displaying the panoramic video on the terminal interface, further comprising: and adjusting the display range and angle of the panoramic video.
8. A full-view interactive live system, comprising:
the terminal is used for acquiring a Uniform Resource Locator (URL) of a live video from a service background, further acquiring a plurality of paths of video streams of the live video from a Content Delivery Network (CDN) platform through the URL, processing the plurality of paths of video streams according to a received video processing instruction to obtain a display video, and operating the display video according to a received control instruction;
the service background is used for returning the uniform resource locator URL of the live video requested by the terminal;
and the content delivery network CDN platform is used for returning the multi-channel video stream of the live video requested by the terminal.
9. A terminal comprising a processor, a memory, and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute one or more computer programs stored in the memory to implement the steps of the full-view interactive live method of any one of claims 1-8.
10. A computer-readable storage medium, having one or more computer programs stored thereon, the one or more computer programs being executable by one or more processors to perform the steps of the full-view interactive live method as claimed in any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911277224.6A CN112995752A (en) | 2019-12-12 | 2019-12-12 | Full-view interactive live broadcast method, system, terminal and computer readable storage medium |
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| CN201911277224.6A CN112995752A (en) | 2019-12-12 | 2019-12-12 | Full-view interactive live broadcast method, system, terminal and computer readable storage medium |
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