WO2017181777A1 - Panoramic live video streaming method, device, system, and video source control apparatus - Google Patents

Panoramic live video streaming method, device, system, and video source control apparatus Download PDF

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Publication number
WO2017181777A1
WO2017181777A1 PCT/CN2017/075573 CN2017075573W WO2017181777A1 WO 2017181777 A1 WO2017181777 A1 WO 2017181777A1 CN 2017075573 W CN2017075573 W CN 2017075573W WO 2017181777 A1 WO2017181777 A1 WO 2017181777A1
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Prior art keywords
video data
panoramic video
time interval
panoramic
preset time
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PCT/CN2017/075573
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French (fr)
Chinese (zh)
Inventor
胡镇杰
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北京金山安全软件有限公司
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Priority to CN201610245526.5A priority Critical patent/CN105847851A/en
Priority to CN201610245526.5 priority
Application filed by 北京金山安全软件有限公司 filed Critical 北京金山安全软件有限公司
Publication of WO2017181777A1 publication Critical patent/WO2017181777A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed circuit television systems, i.e. systems in which the signal is not broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21Server components or server architectures
    • H04N21/218Source of audio or video content, e.g. local disk arrays
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21Server components or server architectures
    • H04N21/218Source of audio or video content, e.g. local disk arrays
    • H04N21/2187Live feed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments

Abstract

The application discloses a panoramic live video streaming method, device, system, and a video source control apparatus. The panoramic video streaming method comprises: receiving video data transmitted by a plurality of video capture devices from various angles; combining the video data captured from various angles to generate panoramic video data; and transmitting, in a predetermined internal, and to a cloud server, the panoramic video data generated in the predetermined time interval, so as to enable the cloud server to provide, to a client terminal and according to the panoramic video data generated in the predetermined time interval, panoramic video streaming. According to the embodiment of the invention, the panoramic live video streaming method is used for a user of the client terminal to view a panoramic view of another user at the other end of the line, recognizing the actual environment at the other end, and enhancing visual experience of a user viewing live streaming video.

Description

Panoramic video live broadcast method, device and system, and video source control device

Cross-reference to related applications

This application claims the priority of the Chinese Patent Application No. "201610245526.5" filed on April 19, 2016 by the Beijing Jinshan Security Software Co., Ltd., entitled "Landscape Video Broadcasting Method, Apparatus and System, and Video Source Control Device".

Technical field

The present application relates to the field of mobile Internet technologies, and in particular, to a panoramic video live broadcast method, apparatus, and system, and a video source control device.

Background technique

In today's era, video live broadcast is more and more popular with the public. Throughout the history of video live broadcast, it is evolved from video on demand, broadcasted by the Internet and streaming media technology, so that video can be broadcast in real time and comprehensively. content.

At present, with the popularization of video live broadcast technology, more and more users are beginning to use mobile terminals to broadcast live video. For example, users use mobile phone cameras to capture the beautiful scenery encountered during travel, and transmit video data to the server through the mobile network. Then it is processed by the server and shared to other users' mobile terminals in the form of live broadcast.

However, the current problem is that when viewing a live video through a mobile terminal, the user can only watch the area captured by the live video user's mobile phone camera, and the viewed video picture can only change according to the movement of the camera, and cannot be given to the user. Provide a great visual experience.

Summary of the invention

The present application aims to solve at least one of the technical problems in the related art to some extent.

To this end, the first object of the present application is to provide a method for broadcasting a panoramic video. The method for broadcasting a panoramic video enables a client user to view the entire panorama around the other party, understand the real environment information around the other party, and improve the live video broadcast by the user. Visual experience.

A second object of the present application is to provide a panoramic video live broadcast device.

The third object of the present application is to propose a panoramic video live broadcast system.

A fourth object of the present application is to propose a video source control device.

A fifth object of the present application is to propose a storage medium.

A sixth object of the present application is to propose an application.

To achieve the above objective, the first aspect of the present application provides a method for broadcasting a panoramic video, comprising: receiving video data of different angles collected by multiple video capture devices in real time; and stitching the video data of different angles to generate The panoramic video data; and the panoramic video data in the preset time interval is sent to the cloud server every preset time interval.

In the panoramic video live broadcast method of the embodiment of the present application, the video data collected by multiple video capture devices in real time is spliced, and the spliced panoramic video data is sent to the server at preset time intervals, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

In an embodiment of the present application, the sending the panoramic video data in the preset time interval to the cloud server every preset time interval includes: generating corresponding to the panoramic video data in the preset time interval. An index file; and establishing a mapping relationship between the index file and the panoramic video data in the preset time interval, and sending the panoramic video data in the preset time interval and the index file to the cloud server.

In an embodiment of the present application, the splicing the video data of the different angles to generate panoramic video data includes: splicing the video data of different angles in order to synthesize panoramic video; using dynamic bit rate The adaptive technology collects the synthesized panoramic video; and encodes the collected panoramic video data to obtain encoded panoramic video data.

Further, in an embodiment of the present application, after the receiving the video data of different angles collected by the multiple video collection devices in real time, the method further includes: performing the preset time interval every the preset time interval The different angles of video data are sent to the cloud server.

Further, in an embodiment of the present application, the current state information of the multiple video capture devices is acquired, and if at least one of the multiple video capture devices stops detecting video data, the control device is detected. The other video capture devices of the plurality of video capture devices stop collecting video data and generate error prompt information.

In order to achieve the above objective, the second aspect of the present application provides a panoramic video live broadcast apparatus, including: a receiving module, configured to receive video data of different angles collected by multiple video capture devices in real time; and a processing module for The video data of different angles is spliced to generate panoramic video data, and the sending module is configured to send the panoramic video data in the preset time interval to the cloud server every preset time interval.

The panoramic video live broadcast device of the embodiment of the present invention splices the video data collected by multiple video capture devices in real time, and sends the spliced panoramic video data to the server at preset time intervals, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

Further, in an embodiment of the present application, the panoramic video broadcast device further includes: a first generation module, An index file corresponding to the panoramic video data in the preset time interval; an establishing module, configured to establish a mapping relationship between the index file and the panoramic video data in the preset time interval; the sending module further And sending, to the cloud server, the panoramic video data and the index file in the preset time interval, so that the cloud server saves the index file and the preset time interval according to the mapping relationship. Panoramic video data.

In an embodiment of the present application, the processing module is further configured to: splicing the video data of different angles in order to synthesize a panoramic video, and synthesizing the synthesized panoramic video by using dynamic rate adaptive technology. The acquisition is performed, and the collected panoramic video data is encoded to obtain encoded panoramic video data.

In an embodiment of the present application, the sending module is further configured to: send the video data of the different angles in the preset time interval to the cloud server every the preset time interval.

Further, in an embodiment of the present application, the panoramic video broadcast device further includes: an acquiring module, configured to acquire current state information of the plurality of video capturing devices; and a control module, configured to detect the multiple videos When at least one of the video capture devices stops collecting video data, the other video capture devices of the plurality of video capture devices are controlled to stop collecting video data; and the second generation module is configured to generate error prompt information.

To achieve the above objective, the third aspect of the present application provides a panoramic video live broadcast system, including: a plurality of video capture devices, a processing device, and a cloud server, wherein the multiple video capture devices are used for real-time acquisition. Video data of different angles; the processing device is configured to receive the video data of different angles collected in the real-time, and splicing the video data of the different angles to generate panoramic video data, and every predetermined time interval The panoramic video data in the preset time interval is sent to the cloud server, and the cloud server is configured to provide a panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

In the panoramic video live broadcast system of the embodiment of the present application, the video data collected by multiple video capture devices in real time is spliced by the processing device, and the spliced panoramic video data is sent to the server at preset time intervals, so that the server can be based on the panoramic video. The data provides a live broadcast of the panoramic video for the client, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

In an embodiment of the present application, the processing apparatus is further configured to: generate an index file corresponding to the panoramic video data in the preset time interval, and establish a panoramic view of the index file and the preset time interval Mapping the video data, and transmitting the panoramic video data and the index file in the preset time interval to the cloud server; the cloud server is further configured to save the index file according to the mapping relationship Panoramic video data within the preset time interval.

In an embodiment of the present application, the processing device is further configured to: press the video data of different angles The splicing is performed in sequence to synthesize the panoramic video, and the synthesized panoramic video is acquired by using dynamic rate adaptive technology, and the collected panoramic video data is encoded to obtain encoded panoramic video data.

In an embodiment of the present application, the processing apparatus is further configured to: send the video data of the different angles in the preset time interval to the cloud server every the preset time interval; The cloud server is further configured to splicing the different angles of video data in the preset time interval to generate panoramic video data.

In an embodiment of the present application, the cloud server is further configured to: generate an index file corresponding to the panoramic video data in the preset time interval, and establish the index file and the preset time interval And mapping the panoramic video data, and saving the index file and the panoramic video data in the preset time interval according to the mapping relationship.

In an embodiment of the present application, the processing device is further configured to: acquire current state information of the multiple video capture devices, and if at least one of the multiple video capture devices detects that the video capture device stops collecting video Data, controlling other video capture devices of the plurality of video capture devices to stop collecting video data and generating error prompt information.

In an embodiment of the present application, the cloud server is further configured to: receive a download request sent by the client, and sequentially send the panoramic video data in the preset time interval to the Client.

To achieve the above object, a fourth aspect of the present application provides a video source control device including one or more of the following components: a processor, a memory, a power supply circuit, an input/output (I/O) interface, and a communication. An assembly; wherein the processor and the memory are disposed on a circuit board; the power supply circuit is configured to supply power to each circuit or device of the video source control device; the memory is configured to store executable program code; The processor, by reading the executable program code stored in the memory, runs a program corresponding to the executable program code for performing the panoramic video live broadcast method according to the first aspect of the present application.

The video source control device of the embodiment of the present application splices the video data collected by multiple video capture devices in real time, and sends the spliced panoramic video data to the server at a preset time interval, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

In order to achieve the above objective, the fifth aspect of the present application provides a storage medium, wherein the storage medium stores one or more programs, and the program performs the panoramic video live broadcast method according to the first aspect of the present application. .

In the storage medium of the embodiment of the present application, the program splices the video data collected by the multiple video collection devices in real time, and sends the spliced panoramic video data to the server at a preset time interval, so that the server can serve the client according to the panoramic video data. The live video of the panoramic video is provided, so that the client user can see the whole circumference of the other party. A panoramic view of the real environment around the other party to enhance the visual experience of watching live video.

In order to achieve the above objective, the sixth aspect of the present application provides an application program, where the application is used to execute the panoramic video live broadcast method according to the embodiment of the present application at runtime.

The application program of the embodiment of the present application splices the video data collected by the multiple video collection devices in real time, and sends the spliced panoramic video data to the server at a preset time interval, so that the server can be the client according to the panoramic video data. The live broadcast of the panoramic video is provided, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a flowchart of a method for broadcasting a panoramic video according to an embodiment of the present application;

2 is a flowchart of a panoramic video live broadcast method according to an embodiment of the present application;

3 is a flowchart of a method for broadcasting a panoramic video according to another embodiment of the present application;

4 is a flowchart of a method for broadcasting a panoramic video according to another embodiment of the present application;

FIG. 5 is a schematic structural diagram of a panoramic video live broadcast apparatus according to an embodiment of the present application; FIG.

6 is a schematic structural diagram of a panoramic video live broadcast apparatus according to an embodiment of the present application;

7 is a schematic structural diagram of a panoramic video live broadcast apparatus according to another embodiment of the present application;

8 is a schematic structural diagram of a panoramic video live broadcast system according to an embodiment of the present application;

FIG. 9 is a schematic structural diagram of a video source control device according to an embodiment of the present application.

detailed description

The embodiments of the present application are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are intended to be illustrative, and are not to be construed as limiting.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

Any process or method description in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a particular logical function or process. And the scope of the preferred embodiments of the application includes additional implementations, which may not be in the order shown or discussed. The functions are performed in a substantially simultaneous manner or in the reverse order depending on the functions involved, as will be understood by those skilled in the art to which the embodiments of the present application pertain.

FIG. 1 is a flowchart of a method for broadcasting a panoramic video according to an embodiment of the present application.

As shown in FIG. 1, the panoramic video live broadcast method includes:

S101. Receive video data of different angles collected by multiple video collection devices in real time.

Specifically, the video recording is performed by the panoramic shooting device, wherein the panoramic shooting device includes a plurality of cameras, each of which is used to record video of different angles. For example, attaching multiple Gopro motion cameras to the panoramic shooting bracket, turning on the power of the Gopro motion camera and switching the mode to video recording mode, each Gopro motion camera establishes a connection with the control device via Wi-fi, through control The device controls each Gopro motion camera in unison.

Furthermore, all Gopro motion cameras are controlled by the control device to start recording video. Each Gopro motion camera generates video data during the recording process, and the video data is transmitted to the control device in the form of UDP (User Datagram Protocol).

It should be understood that the number of video capture devices is, for example, six or eight, which can be set according to requirements, which is not limited in this application.

S102. Splicing video data of different angles to generate panoramic video data.

Specifically, the video data collected by the received Gopro motion cameras is sequentially spliced by the control device to synthesize the panoramic video, and then the synthesized panoramic video is processed by using HLS (HTTP Live Streaming) technology. The generated panoramic video is collected, and the panoramic video data is subjected to H.264 encoding to obtain the encoded panoramic video data.

S103: Send the panoramic video data in the preset time interval to the cloud server at a preset time interval, so that the cloud server provides the panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

Specifically, the panoramic video data is cut according to a preset time interval, for example, the panoramic video data is cut into small files of 5 seconds by a stream cutter, and the cut small files are sent to the cloud server.

That is to say, the synthesized panoramic video data is uploaded to the cloud server every preset time interval, so that the cloud server can provide a panoramic video live broadcast service for the client users who watch the live broadcast.

In the panoramic video live broadcast method of the embodiment of the present application, the video data collected by multiple video capture devices in real time is spliced, and the spliced panoramic video data is sent to the server at preset time intervals, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

2 is a flow chart of a method for broadcasting a panoramic video according to an embodiment of the present application.

As shown in FIG. 2, the panoramic video live broadcast method includes:

S201. Receive video data of different angles collected by multiple video capture devices in real time.

Specifically, the video recording is performed by the panoramic shooting device, wherein the panoramic shooting device includes a plurality of cameras, each of which is used to record video of different angles. For example, attaching multiple Gopro motion cameras to the panoramic shooting bracket, turning on the power of the Gopro motion camera and switching the mode to video recording mode, each Gopro motion camera establishes a connection with the control device via Wi-fi, through control The device controls each Gopro motion camera in unison.

Furthermore, all Gopro motion cameras are controlled by the control device to start recording video. Each Gopro motion camera generates video data during the recording process, and the video data is transmitted to the control device in the form of UDP (User Datagram Protocol).

S202. Splicing video data of different angles to generate panoramic video data.

Specifically, the video data collected by the received Gopro motion cameras is sequentially spliced by the control device to synthesize the panoramic video, and then the synthesized panoramic video is processed by using HLS (HTTP Live Streaming) technology. The generated panoramic video is collected, and the panoramic video data is subjected to H.264 encoding to obtain the encoded panoramic video data.

S203. Generate an index file corresponding to the panoramic video data in the preset time interval.

Specifically, the panoramic video data is cut according to a preset time interval, for example, the panoramic video data is cut into a small file of 5 seconds by a stream cutter, and each of the included small files is generated while the cut is generated. An index file of the small file pointers, wherein the index file includes index information such as an identifier of the cut small file, a video start time, and a video end time.

S204: Establish a mapping relationship between the index file and the panoramic video data in the preset time interval, and send the panoramic video data and the index file in the preset time interval to the cloud server, so that the cloud server saves the index file and the pre-prepared according to the mapping relationship. Set the panoramic video data within the time interval.

Specifically, the index file is mapped to the cut small file, and the index information of the cut small file is saved by the extended M3U playlist format file, and then the cut small files and index files are saved and saved. The M3U playlist format file of the mapping relationship between these small files and index files is sent to the cloud server.

In an embodiment of the present application, the cloud server receives the download request sent by the client, and sequentially sends the panoramic video data in the preset time interval to the client according to the index file. Specifically, the cloud server may search for the panoramic video data in the corresponding preset time interval according to the index file, and sequentially send the panoramic video data in the preset time interval to the client in sequence according to the index file.

Furthermore, the client uses the index file to download the small file of the segmented panoramic video data. After downloading, for example, the Android 3D engine Rajawali or the Google Cardboard SDK can be used to display the panoramic video. The small files of the data are converted into VR videos, so that the user can use the VR device to watch the live broadcast of the panoramic video.

It should be understood that the client may include, but is not limited to, one of a PC, a mobile phone, a tablet, a wearable device, and the like.

The panoramic video live broadcast method of the embodiment of the present invention generates an index file corresponding to the panoramic video data in a preset time interval, and sends the index file and the panoramic video data in the preset time interval to the cloud server, so that the cloud server is When the live video of the panoramic video is provided to the client according to the panoramic video data, the panoramic video data in multiple preset time intervals may be sequentially sent to the client for playing according to the index file.

FIG. 3 is a flowchart of a method for broadcasting a panoramic video according to another embodiment of the present application.

As shown in FIG. 3, the panoramic video live broadcast method includes:

S301. Receive video data of different angles collected by multiple video capture devices in real time.

Specifically, the video recording is performed by the panoramic shooting device, wherein the panoramic shooting device includes a plurality of cameras, each of which is used to record video of different angles. For example, attaching multiple Gopro motion cameras to the panoramic shooting bracket, turning on the power of the Gopro motion camera and switching the mode to video recording mode, each Gopro motion camera establishes a connection with the control device via Wi-fi, through control The device controls each Gopro motion camera in unison.

Furthermore, all Gopro motion cameras are controlled by the control device to start recording video. Each Gopro motion camera generates video data during the recording process, and the video data is transmitted to the control device in the form of UDP (User Datagram Protocol).

S302: Send video data of different angles in a preset time interval to the cloud server at a preset time interval, so that the cloud server splices the video data of different angles in the preset time interval to generate panoramic video data, and Provide panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

Specifically, the captured video data of different angles are cut according to preset time intervals, for example, the video data of each angle is cut into small files of 5 seconds by a stream cutter, and the cut small files are sent to Cloud server.

Furthermore, the cloud server splices the cut small files in order, generates the cut panoramic video data, and uses the HLS (HTTP Live Streaming) technology to generate the panoramic video. The acquisition is performed, and the panoramic video data is subjected to H.264 encoding to obtain the encoded panoramic video data.

In turn, the cloud server can provide a panoramic video live broadcast service for client users watching the live broadcast.

In an embodiment of the present application, the cloud server generates an index file corresponding to the panoramic video data in the preset time interval, and establishes a mapping relationship between the index file and the panoramic video data in the preset time interval, and saves the index according to the mapping relationship. File and panoramic video data within a preset time interval. Specifically, after generating the cut At the same time as the small file of the panoramic video data, each index file containing the pointers of the small files is generated, wherein the index file includes index information such as the identifier of the cut small file, the video start time, and the video end time. Further, the index file is mapped to the small file of the cut panoramic video data, and the index information of the cut small file is saved by the extended M3U playlist format file, and then the cut small file and the index file are further processed. Send to the cloud server.

In an embodiment of the present application, the cloud server receives the download request sent by the client, and sequentially sends the panoramic video data in the preset time interval to the client according to the index file. Specifically, the cloud server may search for the panoramic video data in the corresponding preset time interval according to the index file, and sequentially send the panoramic video data in the preset time interval to the client in sequence according to the index file.

Further, the client uses the index file to download the small file of the segmented panoramic video data, and after downloading, for example, the small file of the panoramic video data can be converted into the VR video by using the Android 3D engine Rajawali or the Google Cardboard SDK. In turn, the user can use the VR device to watch the live broadcast of the panoramic video.

In the panoramic video live broadcast method of the embodiment of the present application, the video data collected by the multiple video capture devices is sent to the cloud server at a preset time interval, so that the cloud server splices the video data, and according to the spliced panoramic video data. The client provides a live broadcast of the panoramic video, thereby completing the work of splicing the panoramic video through the cloud server, fully utilizing the advantages of the cloud server resources, and improving the processing efficiency of processing the video data. At the same time, the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

FIG. 4 is a flowchart of a method for broadcasting a panoramic video according to another embodiment of the present application.

As shown in FIG. 4, the panoramic video live broadcast method includes:

S401. Receive video data of different angles collected by multiple video capture devices in real time.

Specifically, the video recording is performed by the panoramic shooting device, wherein the panoramic shooting device includes a plurality of cameras, each of which is used to record video of different angles. For example, attaching multiple Gopro motion cameras to the panoramic shooting bracket, turning on the power of the Gopro motion camera and switching the mode to video recording mode, each Gopro motion camera establishes a connection with the control device via Wi-fi, through control The device controls each Gopro motion camera in unison.

Furthermore, all Gopro motion cameras are controlled by the control device to start recording video. Each Gopro motion camera generates video data during the recording process, and the video data is transmitted to the control device in the form of UDP (User Datagram Protocol).

It should be understood that the number of video capture devices is, for example, six or eight, which can be set according to requirements, which is not limited in this application.

S402. Acquire current state information of multiple video collection devices. If multiple video capture devices are detected, If one video capture device stops collecting video data, then other video capture devices in the plurality of video capture devices are controlled to stop collecting video data and generate error prompt information.

Specifically, if it is detected that one of the plurality of video capture devices stops the video data due to a power failure caused by a line fault, etc., when the video capture device stops detecting, the other video capture devices can be controlled in time. Video recording is also stopped.

S403. Splicing video data of different angles to generate panoramic video data.

Specifically, the video data collected by the received Gopro motion cameras is sequentially spliced by the control device to synthesize the panoramic video, and then the synthesized panoramic video is processed by using HLS (HTTP Live Streaming) technology. The generated panoramic video is collected, and the panoramic video data is subjected to H.264 encoding to obtain the encoded panoramic video data.

S404: Send the panoramic video data in the preset time interval to the cloud server at a preset time interval, so that the cloud server provides the panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

Specifically, the panoramic video data is cut according to a preset time interval, for example, the panoramic video data is cut into small files of 5 seconds by a stream cutter, and the cut small files are sent to the cloud server.

That is to say, the synthesized panoramic video data is uploaded to the cloud server every preset time interval, so that the cloud server can provide a panoramic video live broadcast service for the client users who watch the live broadcast.

The panoramic video live broadcast method of the embodiment of the present application, by acquiring the current state information of the multiple video capture devices, and controlling other video capture devices to stop working when determining that one of the video capture devices is not working, thereby avoiding performing the captured video data. When splicing generates panoramic video data, a splicing error occurs due to the lack of video data at a certain angle.

In order to implement the above embodiments, the present application also provides a panoramic video live broadcast device.

FIG. 5 is a schematic structural diagram of a panoramic video live broadcast apparatus according to an embodiment of the present application.

As shown in FIG. 5, the panoramic video broadcast device includes: a receiving module 110, a processing module 120, and a sending module 130.

Specifically, the receiving module 110 is configured to receive video data of different angles collected by multiple video collection devices in real time.

The processing module 120 is configured to splicing video data of different angles to generate panoramic video data.

The sending module 130 is configured to send the panoramic video data in the preset time interval to the cloud server at a preset time interval, so that the cloud server provides the panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

It should be noted that the foregoing description of the embodiment of the panoramic video broadcast method is also applicable to the panoramic video broadcast device of the embodiment, and the implementation principle thereof is similar, and details are not described herein again.

The panoramic video live broadcast device of the embodiment of the present invention splices the video data collected by multiple video capture devices in real time, and sends the spliced panoramic video data to the server at preset time intervals, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

FIG. 6 is a schematic structural diagram of a panoramic video live broadcast apparatus according to an embodiment of the present application.

As shown in FIG. 6, the panoramic video broadcast device includes: a receiving module 110, a processing module 120, a sending module 130, a first generating module 140, and an establishing module 150.

Specifically, the first generation module 140 is configured to generate an index file corresponding to the panoramic video data in the preset time interval.

The establishing module 150 is configured to establish a mapping relationship between the index file and the panoramic video data in the preset time interval.

The sending module 130 is further configured to send the panoramic video data and the index file in the preset time interval to the cloud server, so that the cloud server saves the index file and the panoramic video data in the preset time interval according to the mapping relationship.

It should be noted that the foregoing description of the embodiment of the panoramic video broadcast method is also applicable to the panoramic video broadcast device of the embodiment, and the implementation principle thereof is similar, and details are not described herein again.

The panoramic video broadcast device of the embodiment of the present invention generates an index file corresponding to the panoramic video data in a preset time interval, and sends the index file and the panoramic video data in the preset time interval to the cloud server, so that the cloud server is When the live video of the panoramic video is provided to the client according to the panoramic video data, the panoramic video data in multiple preset time intervals may be sequentially sent to the client for playing according to the index file.

FIG. 7 is a schematic structural diagram of a panoramic video live broadcast apparatus according to another embodiment of the present application.

As shown in FIG. 7 , the panoramic video broadcast device includes: a receiving module 110 , a processing module 120 , a sending module 130 , a first generating module 140 , an establishing module 150 , an obtaining module 160 , a control module 170 , and a second generating module 180 .

Specifically, the obtaining module 160 is configured to acquire current state information of multiple video collection devices.

The control module 170 is configured to control other video capture devices of the plurality of video capture devices to stop collecting video data when detecting that at least one of the plurality of video capture devices stops collecting video data.

The second generation module 180 is configured to generate error prompt information.

It should be noted that the foregoing description of the embodiment of the panoramic video broadcast method is also applicable to the panoramic video broadcast device of the embodiment, and the implementation principle thereof is similar, and details are not described herein again.

The panoramic video live broadcast device of the embodiment of the present invention controls the other video capture devices to stop working when determining that one of the video capture devices is not working, by acquiring the current state information of the multiple video capture devices, thereby avoiding the captured video data. When splicing generates panoramic video data, a splicing error occurs due to the lack of video data at a certain angle.

In order to implement the above embodiments, the present application also proposes a panoramic video live broadcast system.

FIG. 8 is a schematic structural diagram of a panoramic video live broadcast system according to an embodiment of the present application.

As shown in FIG. 8, the panoramic video live broadcast system includes: a processing device 100, a plurality of video capture devices 200, and a cloud server 300.

The plurality of video capture devices 200 are used for video data of different angles collected in real time.

The processing device 100 is configured to receive video data of different angles collected in real time, and splicing video data of different angles to generate panoramic video data, and send the panoramic video data in the preset time interval to the cloud every preset time interval. Server 300.

The cloud server 300 is configured to provide a panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

It should be noted that the foregoing description of the embodiment of the method for broadcasting a panoramic video is also applicable to the panoramic video live broadcast system of the embodiment, and the implementation principle thereof is similar, and details are not described herein again.

In the panoramic video live broadcast system of the embodiment of the present application, the video data collected by multiple video capture devices in real time is spliced by the processing device, and the spliced panoramic video data is sent to the server at preset time intervals, so that the server can be based on the panoramic video. The data provides a live broadcast of the panoramic video for the client, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

In an embodiment of the present application, the processing apparatus 100 is further configured to generate an index file corresponding to the panoramic video data in the preset time interval, and establish a mapping relationship between the index file and the panoramic video data in the preset time interval, and The panoramic video data and the index file in the preset time interval are sent to the cloud server 300. The cloud server 300 is further configured to save the index file and the panoramic video data in the preset time interval according to the mapping relationship. Therefore, when the cloud server 300 provides the live video of the panoramic video to the client according to the panoramic video data, the cloud server 300 can sequentially send the panoramic video data in multiple preset time intervals to the client for playing according to the index file.

In an embodiment of the present application, the processing apparatus 100 is further configured to send video data of different angles within a preset time interval to the cloud server 300 every preset time interval. The cloud server 300 is further configured to splicing video data of different angles within a preset time interval to generate panoramic video data. Therefore, the video data is spliced by the cloud server 300, and the live video of the panoramic video is provided to the client according to the spliced panoramic video data, so that the work of splicing the panoramic video is completed by the cloud server, and the resource of the cloud server 300 is fully utilized. The advantage is to improve the processing efficiency of processing video data.

In an embodiment of the present application, the cloud server 300 is further configured to generate an index file corresponding to the panoramic video data in the preset time interval, and establish a mapping relationship between the index file and the panoramic video data in the preset time interval, and according to The mapping relationship saves the index file and the panoramic video data within a preset time interval.

In an embodiment of the present application, the processing device 100 is further configured to acquire the current state of the multiple video capture devices. The state information, if it is detected that at least one of the plurality of video capture devices stops collecting video data, controls other video capture devices of the plurality of video capture devices to stop collecting video data and generate error prompt information. Thus, by acquiring the current state information of the plurality of video capture devices 200, controlling the other video capture devices 200 to stop working when determining that one of the video capture devices 200 is not working, thereby avoiding stitching the collected video data to generate a panoramic video. In the case of data, a splicing error occurs due to the lack of video data at a certain angle.

In an embodiment of the present application, the cloud server 300 is further configured to receive a download request sent by the client, and sequentially send the panoramic video data in the preset time interval to the client according to the index file.

In order to implement the above embodiments, the present application also proposes a video source control device.

FIG. 9 is a schematic structural diagram of a video source control device according to an embodiment of the present application.

As shown in FIG. 9, the video source control device 1000 includes a processor 1001, a memory 1002, a power supply circuit 1003, an interface 1004 for input/output (I/O), and a communication component 1005.

The processor 1001 and the memory 1002 are disposed on a circuit board. The power circuit 1003 is used to power various circuits or devices of the video source control device 1000. The memory 1002 is for storing executable program code. The processor 1001 runs a program corresponding to the executable program code by reading the executable program code stored in the memory 1002 for performing the following steps:

Receiving video data of different angles collected by multiple video capture devices in real time.

The video data of different angles are spliced to generate panoramic video data.

The panoramic video data in the preset time interval is sent to the cloud server at a preset time interval, so that the cloud server provides the panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.

It should be noted that the foregoing description of the embodiment of the method for broadcasting a panoramic video is also applicable to the video source control device of the embodiment, and the implementation principle thereof is similar, and details are not described herein again.

The video source control device of the embodiment of the present application splices the video data collected by multiple video capture devices in real time, and sends the spliced panoramic video data to the server at a preset time interval, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

In order to implement the above embodiments, the present application also proposes a storage medium. The storage medium is used to store an application program, where the application is used to perform the panoramic video live broadcast method in the embodiment of the present application, where the panoramic video live broadcast method includes:

Receiving video data of different angles collected by multiple video capture devices in real time.

The video data of different angles are spliced to generate panoramic video data.

The panoramic video data in the preset time interval is sent to the cloud server every preset time interval.

It should be noted that the method, the principle, and the implementation manner of the method for performing the live video broadcast of the application in this embodiment are similar to the method for the live video broadcast of the foregoing embodiment. To avoid redundancy, details are not described herein again.

In the storage medium of the embodiment of the present application, the application program splices the video data collected by the multiple video collection devices in real time, and sends the spliced panoramic video data to the server at a preset time interval, so that the server can be based on the panoramic video data. The client provides a live broadcast of the panoramic video, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

In order to implement the foregoing embodiment, the application further provides an application program, where the application is used to perform the panoramic video live broadcast method in the embodiment of the present application, where the panoramic video live broadcast method includes:

Receiving video data of different angles collected by multiple video capture devices in real time.

The video data of different angles are spliced to generate panoramic video data.

The panoramic video data in the preset time interval is sent to the cloud server every preset time interval.

It should be noted that the method, the principle, and the implementation manner of the method for performing the live video broadcast of the application in this embodiment are similar to the method for the live video broadcast of the foregoing embodiment. To avoid redundancy, details are not described herein again.

The application program of the embodiment of the present application splices the video data collected by the multiple video collection devices in real time, and sends the spliced panoramic video data to the server at a preset time interval, so that the server can be the client according to the panoramic video data. The live broadcast of the panoramic video is provided, so that the client user can see the entire panorama around the other party, understand the real environment information around the other party, and enhance the visual experience of the user watching the live video.

For the device, the electronic device, the storage medium and the application embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.

It should be understood that portions of the application can be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the application. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

While the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the present application. The embodiments are subject to variations, modifications, substitutions and variations.

It should be noted that, in this context, relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply such entities or operations. There is any such actual relationship or order between them. Furthermore, the term "comprises" or "comprises" or "comprises" or any other variations thereof is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also Other elements, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present application is not limited by the described action sequence. Because certain steps may be performed in other sequences or concurrently in accordance with the present application. In the following, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application.

In the above embodiments, the descriptions of the various embodiments are different, and the details that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

In the several embodiments provided herein, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the device embodiments described above are schematic, for example, the division of the unit is only a logical function division, and the actual implementation may have another division manner, for example, multiple units or components may be combined or may be integrated. Go to another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product. The computer software product is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application. The foregoing storage medium includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like. .

The above embodiments are only used to explain the technical solutions of the present application, and are not limited thereto; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently substituted; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present application.

The above description is only the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application are included in the scope of the present application.

Claims (20)

  1. A panoramic video live broadcast method, comprising the steps of:
    Receiving video data of different angles collected by multiple video capture devices in real time;
    Splicing the different angles of video data to generate panoramic video data;
    The panoramic video data in the preset time interval is sent to the cloud server every preset time interval.
  2. The method for broadcasting a panoramic video according to claim 1, wherein the transmitting the panoramic video data in the preset time interval to the cloud server every predetermined time interval comprises:
    Generating an index file corresponding to the panoramic video data in the preset time interval;
    And establishing a mapping relationship between the index file and the panoramic video data in the preset time interval, and sending the panoramic video data and the index file in the preset time interval to the cloud server.
  3. The panoramic video live broadcast method according to claim 1 or 2, wherein the splicing the video data of the different angles to generate panoramic video data comprises:
    Combining the video data of different angles in order to synthesize a panoramic video;
    Acquiring the synthesized panoramic video using dynamic rate adaptation techniques;
    The collected panoramic video data is encoded to obtain encoded panoramic video data.
  4. The method for broadcasting a panoramic video according to any one of claims 1-3, further comprising: after receiving the video data of different angles collected by the plurality of video collection devices in real time, the method further comprising:
    Transmitting the different angles of video data in the preset time interval to the cloud server every the preset time interval.
  5. The method for broadcasting a panoramic video according to any one of claims 1 to 4, further comprising:
    Obtaining current state information of the plurality of video capture devices, and if detecting that at least one of the plurality of video capture devices stops collecting video data, controlling other video capture devices of the plurality of video capture devices Stop collecting video data and generate an error message.
  6. A panoramic video live broadcast device, comprising:
    a receiving module, configured to receive video data of different angles collected by multiple video capturing devices in real time;
    a processing module, configured to splicing the video data of different angles to generate panoramic video data;
    The sending module is configured to send the panoramic video data in the preset time interval to the cloud server every preset time interval.
  7. The panoramic video broadcast device of claim 6, further comprising:
    a first generating module, configured to generate an index file corresponding to the panoramic video data in the preset time interval;
    Establishing a module, configured to establish a mapping between the index file and the panoramic video data in the preset time interval relationship;
    The sending module is further configured to send the panoramic video data in the preset time interval and the index file to the cloud server.
  8. The panoramic video broadcast device according to claim 6 or 7, wherein the processing module is further configured to:
    Combining the different angles of video data in order to synthesize the panoramic video, and acquiring the synthesized panoramic video by using dynamic rate adaptive technology, and encoding the collected panoramic video data to obtain the encoded image. Panoramic video data.
  9. The panoramic video broadcast device according to any one of claims 6-8, wherein the sending module is further configured to:
    Transmitting the different angles of video data in the preset time interval to the cloud server every the preset time interval.
  10. The panoramic video broadcast device of any of claims 6-9, further comprising:
    An acquiring module, configured to acquire current state information of the multiple video collection devices;
    a control module, configured to control other video capture devices of the plurality of video capture devices to stop collecting video data when detecting that at least one of the plurality of video capture devices stops collecting video data;
    The second generation module is configured to generate an error prompt message.
  11. A panoramic video live broadcast system, comprising: a plurality of video capture devices, a processing device, and a cloud server, wherein
    The plurality of video collection devices are configured to collect video data of different angles in real time;
    The processing device is configured to receive video data of different angles collected in real time, and splicing the video data of different angles to generate panoramic video data, and setting the preset time interval every preset time interval The panoramic video data is sent to the cloud server;
    The cloud server is configured to provide a panoramic video live broadcast to the client according to the panoramic video data in the preset time interval.
  12. The panoramic video live broadcast system of claim 11 wherein:
    The processing device is further configured to generate an index file corresponding to the panoramic video data in the preset time interval, and establish a mapping relationship between the index file and the panoramic video data in the preset time interval, and The panoramic video data in the preset time interval and the index file are sent to the cloud server;
    The cloud server is further configured to save the index file and the panoramic video data in the preset time interval according to the mapping relationship.
  13. The panoramic video live broadcast system according to claim 11 or 12, wherein the processing device is further configured to:
    Combining the different angles of video data in order to synthesize the panoramic video, and acquiring the synthesized panoramic video by using dynamic rate adaptive technology, and encoding the collected panoramic video data to obtain the encoded image. Panoramic video data.
  14. A panoramic video live broadcast system according to any of claims 11-13, characterized in that
    The processing device is further configured to send the video data of the different angles in the preset time interval to the cloud server every the preset time interval;
    The cloud server is further configured to splicing the different angles of video data in the preset time interval to generate panoramic video data.
  15. The panoramic video live broadcast system according to any one of claims 11-14, wherein the cloud server is further configured to:
    And generating an index file corresponding to the panoramic video data in the preset time interval, and establishing a mapping relationship between the index file and the panoramic video data in the preset time interval, and saving the according to the mapping relationship. Indexing the file with the panoramic video data within the preset time interval.
  16. The panoramic video live broadcast system according to any one of claims 11-15, wherein the processing device is further configured to:
    Obtaining current state information of the plurality of video capture devices, and if detecting that at least one of the plurality of video capture devices stops collecting video data, controlling other video capture devices of the plurality of video capture devices Stop collecting video data and generate an error message.
  17. The panoramic video live broadcast system according to claim 12 or 15, wherein the cloud server is further configured to:
    Receiving a download request sent by the client, and sequentially transmitting the panoramic video data in the preset time interval to the client according to the index file.
  18. A video source control device, comprising: one or more of: a processor, a memory, a power supply circuit, an input/output (I/O) interface, and a communication component; wherein the processor and the The memory is disposed on a circuit board; the power circuit is configured to supply power to each circuit or device of the video source control device; the memory is configured to store executable program code; and the processor reads the memory by reading The executable program code stored in the program to run the program corresponding to the executable program code for performing a panoramic video live broadcast method according to any one of claims 1-5.
  19. A storage medium, characterized in that the storage medium stores one or more programs, and the one or more programs are executed by a device to perform a panoramic video live broadcast method according to any one of claims 1-5.
  20. An application program, wherein the application is configured to perform a panoramic video live broadcast method according to any one of claims 1-5 at runtime.
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