CN115334330A - Video live broadcast system for multiple persons to watch simultaneously on line - Google Patents

Video live broadcast system for multiple persons to watch simultaneously on line Download PDF

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Publication number
CN115334330A
CN115334330A CN202210962412.8A CN202210962412A CN115334330A CN 115334330 A CN115334330 A CN 115334330A CN 202210962412 A CN202210962412 A CN 202210962412A CN 115334330 A CN115334330 A CN 115334330A
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China
Prior art keywords
video
module
video stream
stream
unit
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Pending
Application number
CN202210962412.8A
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Chinese (zh)
Inventor
祁鑫
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Yize Culture Development Shanghai Co ltd
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Yize Culture Development Shanghai Co ltd
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Priority to CN202210962412.8A priority Critical patent/CN115334330A/en
Publication of CN115334330A publication Critical patent/CN115334330A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/218—Source of audio or video content, e.g. local disk arrays
    • H04N21/2187—Live feed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234345—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440245—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display the reformatting operation being performed only on part of the stream, e.g. a region of the image or a time segment
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Abstract

The invention discloses a video live broadcast system for multiple persons to watch simultaneously on line, which comprises a video live broadcast end and a video receiving end, wherein the video live broadcast end comprises: the invention is suitable for a video live broadcast system, the video acquisition module of the system comprises a processing module, the processing module can carry out size processing and noise reduction processing on a high-definition video original image stream, the quality of subsequent video stream output is ensured, the size of the video stream can be reduced during video stream transmission in the system, the video stream transmission rate is improved, and the interval transmission method ensures that a section of video stream is absolutely complete after transmission, so that the phenomenon of blocking in the watching process can not occur, and the watching sense of a user is improved.

Description

Video live broadcast system for multiple persons to watch simultaneously on line
Technical Field
The invention belongs to the technical field of live broadcast systems, and particularly relates to a video live broadcast system for multiple persons to watch online simultaneously.
Background
The network video live broadcast system can compress the audio or video signals of the activity site according to the requirements of the client, and then transmit the compressed audio or video signals to the multimedia server for listening or watching by vast net friends or authorized specific groups on the Internet. The network live broadcast system now includes: live broadcast software or hardware live broadcast, wherein the hardware live broadcast has the advantages of low network delay and lip sound synchronization effect. Meanwhile, the self-adaptive adjustment of the resolution of the client is supported;
the video stream of the existing network video live broadcasting system is lack of processing, so that the problems of sound and picture are easy to occur in live broadcasting, and in the existing video live broadcasting system, the video stream is large, so that the transmission rate is low in the transmission process, the live broadcasting effect is influenced, and in the transmission process, due to live broadcasting, the video stream is continuous, so that the video stream is very easy to be blocked when the network fluctuates, and the impression of a user is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a video live broadcast system for multiple persons to watch simultaneously on line.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a supply many people to watch live video system on line simultaneously, includes live video end and video receiving terminal, wherein, live video end includes: the system comprises a video acquisition module, a video compression coding module and a multi-network transmission module, wherein the video receiving end comprises a receiving module, a video decoding module and a human-computer interaction module;
the video acquisition module is used for acquiring a high-definition video original image stream;
the video compression coding module is used for compressing the high-definition original image stream collected by the video collection module to form a video stream compression packet;
the multi-network transmission module is used for transmitting the video stream compression packet to a receiving module of a video receiving end;
the video decoding module is used for decoding and decompressing the video stream compressed packets;
and the human-computer interaction module is used for displaying the decoded and decompressed video on the client display equipment.
In a possible implementation manner, the live video broadcast terminal further includes a processing module, and the processing module is configured to process the high-definition video original image stream acquired by the video acquisition module.
In a possible implementation manner, the processing of the high-definition video raw image stream by the processing module includes performing size processing and noise reduction processing on the high-definition video raw image stream.
In a possible implementation manner, the video compression coding module includes a video stream truncation unit and a compression coding unit, where the video stream truncation unit is configured to truncate a video stream into independent interval video streams according to a set time interval, and the compression coding unit is configured to compress each interval video stream into an interval video stream compressed packet.
In a possible implementation manner, the multi-network transmission module includes a passive transmission channel establishing unit and a selective transmission unit, where the passive transmission channel establishing unit is configured to establish a passive connection port in a video live broadcast end, so that the human-computer interaction module automatically establishes a one-to-one transmission channel with the human-computer interaction module after entering a video live broadcast, and the selective transmission unit is configured to select a suitable network to transmit an interval video stream compression packet from the transmission channel to a video receiving end.
In a possible implementation manner, the video decoding module includes a video decoding unit and a video stream splicing unit, where the video decoding unit is configured to decompress a received compressed packet of an inter-region video stream into an inter-region video stream, and the video stream splicing unit is configured to splice the inter-region video stream into a complete video stream according to a time sequence.
In a possible implementation manner, the human-computer interaction module includes a video playing unit and an interaction feedback module, wherein the video playing unit is used for playing a video, and the interaction feedback module is used for receiving operation information of a user and transmitting the operation information to the video live broadcast end through a one-to-one transmission channel.
In one possible implementation, the specific operation flow is as follows:
the video acquisition module acquires a high-definition video original image stream through a front-end camera, and the processing module performs size processing and noise reduction processing on the high-definition video original image stream;
the video stream truncation unit truncates the video stream into independent interval video streams according to a set time interval;
the compression coding unit compresses each interval video stream into an interval video stream compression packet;
the passive transmission channel establishing unit establishes a passive connection port in a live video broadcast end, so that a one-to-one transmission channel is automatically established with a human-computer interaction module after the human-computer interaction module enters live video broadcast;
the selection transmission unit selects a proper network to transmit the compressed packet of the interval video stream from the transmission channel to the video receiving end;
the video decoding unit decompresses the received interval video stream compression packet into an interval video stream, and the video stream splicing unit splices the interval video stream into a complete video stream according to a time sequence;
the video playing unit plays a video;
the interactive feedback module is used for receiving operation information of a user and transmitting the operation information to the video live broadcast end through the one-to-one transmission channel.
The video acquisition module comprises a processing module, the size processing and noise reduction processing can be carried out on the high-definition video original image stream through the processing module, the output quality of a subsequent video stream is ensured, in addition, the video stream truncation unit and the compression coding unit are arranged in the video compression coding module, the video decoding unit and the video stream splicing unit are arranged in the video decoding module, thus, after the video processing, the video stream truncation unit can truncate the video stream into independent interval video streams according to a set time interval and then carry out transmission, after the transmission, the received interval video stream compression packet is decompressed into the interval video stream through the video decoding unit, the interval video stream is spliced into a complete video stream through the video stream splicing unit according to the time sequence, the size of the video stream can be reduced, the video stream transmission rate is improved, and the interval transmission method ensures that the video stream is absolutely complete after the transmission, so the phenomenon of jamming in the watching process can not occur, and the user impression is improved.
Drawings
FIG. 1 is a block flow diagram of the system of the present invention.
Detailed Description
The following describes a specific embodiment of a live video system for multiple people to watch simultaneously on line, with reference to fig. 1. The present invention is not limited to the following description of the embodiments.
Example 1:
this embodiment provides a video live broadcast system that many people watched online simultaneously, as shown in fig. 1, including video live broadcast end and video receiving terminal, wherein, the video live broadcast end includes: the system comprises a video acquisition module, a video compression coding module and a multi-network transmission module, wherein a video receiving end comprises a receiving module, a video decoding module and a human-computer interaction module;
the video acquisition module is used for acquiring a high-definition video original image stream;
the video compression coding module is used for compressing the high-definition original image stream collected by the video collection module to form a video stream compression packet;
the multi-network transmission module is used for transmitting the video stream compression packet to a receiving module of a video receiving end;
the video decoding module is used for decoding and decompressing the video stream compression packet;
the human-computer interaction module is used for displaying the decoded and decompressed video on the client display equipment.
Example 2
On the basis of embodiment 1, in this embodiment, the live video broadcast end further includes a processing module, and the processing module is configured to process the high-definition video original image stream acquired by the video acquisition module.
The processing module processes the high-definition video original image stream by size processing and noise reduction processing.
Example 3
In addition to the embodiment 2, in this embodiment, the video compression and encoding module includes a video stream truncation unit and a compression and encoding unit, where the video stream truncation unit is configured to truncate the video stream into independent interval video streams according to a set time interval, and the compression and encoding unit is configured to compress each interval video stream into an interval video stream compressed packet.
Example 4
On the basis of embodiment 3, in this embodiment, the multi-network transmission module includes a passive transmission channel establishing unit and a selective transmission unit, where the passive transmission channel establishing unit is configured to establish a passive connection port in the live video broadcast end, so that the human-computer interaction module automatically establishes a one-to-one transmission channel with the human-computer interaction module after entering the live video broadcast, and the selective transmission unit is configured to select a suitable network to transmit the interval video stream compression packet from the transmission channel to the video receiving end.
Example 5
On the basis of embodiment 4, in this embodiment, the video decoding module includes a video decoding unit and a video stream splicing unit, where the video decoding unit is configured to decompress a received compressed packet of an interval video stream into the interval video stream, and the video stream splicing unit is configured to splice the interval video stream into a complete video stream according to a time sequence.
Example 6
On the basis of embodiment 5, in this embodiment, the human-computer interaction module includes a video playing unit and an interaction feedback module, where the video playing unit is configured to play a video, and the interaction feedback module is configured to receive operation information of a user and transmit the operation information to the video live broadcast end through a one-to-one transmission channel.
Example 7
On the basis of the embodiment 1, in this embodiment, the specific operation flow is as follows:
the video acquisition module acquires a high-definition video original image stream through a front-end camera, and the processing module performs size processing and noise reduction processing on the high-definition video original image stream;
the video stream truncation unit truncates the video stream into independent interval video streams according to a set time interval;
the compression encoding unit compresses each interval video stream into an interval video stream compression packet;
the passive transmission channel establishing unit establishes a passive connection port in a live video broadcast end, so that a one-to-one transmission channel is automatically established with the human-computer interaction module after the human-computer interaction module enters live video broadcast;
selecting a transmission unit to select a proper network to transmit the compressed packet of the interval video stream from the transmission channel to a video receiving end;
the video decoding unit decompresses the received interval video stream compression packet into an interval video stream, and the video stream splicing unit splices the interval video stream into a complete video stream according to a time sequence;
the video playing unit plays a video;
the interactive feedback module is used for receiving the operation information of the user and transmitting the operation information to the video live broadcast end through the one-to-one transmission channel.
In combination with embodiments 1 to 7, in the present application, the video acquisition module includes a processing module, and the processing module can perform size processing and noise reduction processing on an original image stream of a high-definition video, so as to ensure the quality of a subsequent video stream output, and the present invention sets the video stream truncation unit and the compression encoding unit in the video compression encoding module, and sets the video decoding unit and the video stream splicing unit in the video decoding module, so that, after the video processing, the video stream truncation unit can truncate the video stream into independent interval video streams according to a set time interval, and then perform transmission, and after the transmission, the video decoding unit decompresses the received interval video stream compression packet into an interval video stream, and the video stream splicing unit splices the interval video streams into an integrated video stream according to a time sequence, so that the size of the video stream can be reduced, the transmission rate of the video stream is increased, and the interval transmission method enables the video stream to be absolutely integrated after the transmission, so that a phenomenon of a segment of the video stream is not blocked in a viewing process does not occur, thereby increasing the viewing experience of a user.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments and it is not intended to limit the invention to the specific embodiments described. 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 (8)

1. A video live broadcast system for multiple persons to watch simultaneously on line is characterized in that: including live end of video and video receiving terminal, wherein, live end of video includes: the system comprises a video acquisition module, a video compression coding module and a multi-network transmission module, wherein the video receiving end comprises a receiving module, a video decoding module and a human-computer interaction module;
the video acquisition module is used for acquiring a high-definition video original image stream;
the video compression coding module is used for compressing the high-definition original image stream collected by the video collection module to form a video stream compression packet;
the multi-network transmission module is used for transmitting the video stream compression packet to a receiving module of a video receiving end;
the video decoding module is used for decoding and decompressing the video stream compression packet;
and the human-computer interaction module is used for displaying the decoded and decompressed video on the client display equipment.
2. A live video broadcast system for simultaneous on-line viewing by multiple persons, as claimed in claim 1, wherein: the video live broadcast terminal further comprises a processing module, and the processing module is used for processing the high-definition video original image stream collected by the video collecting module.
3. A live video broadcast system for simultaneous on-line viewing by multiple people as claimed in claim 2, wherein: the processing module processes the high-definition video original image stream by size processing and noise reduction processing.
4. A live video broadcast system for simultaneous on-line viewing by multiple people as claimed in claim 1 wherein: the video compression coding module comprises a video stream truncation unit and a compression coding unit, wherein the video stream truncation unit is used for truncating a video stream into independent interval video streams according to a set time interval, and the compression coding unit is used for compressing each interval video stream into an interval video stream compression packet.
5. A live video broadcast system for simultaneous on-line viewing by multiple people as claimed in claim 4 wherein: the multi-network transmission module comprises a passive transmission channel establishing unit and a selective transmission unit, wherein the passive transmission channel establishing unit is used for establishing a passive connection port in a video live broadcast end, so that a one-to-one transmission channel is automatically established between the human-computer interaction module and the human-computer interaction module after the human-computer interaction module enters video live broadcast, and the selective transmission unit is used for selecting a proper network to transmit an interval video stream compression packet from the transmission channel to a video receiving end.
6. A live video broadcast system for simultaneous on-line viewing by multiple people as claimed in claim 5 wherein: the video decoding module comprises a video decoding unit and a video stream splicing unit, wherein the video decoding unit is used for decompressing a received interval video stream compression packet into an interval video stream, and the video stream splicing unit is used for splicing the interval video stream into a complete video stream according to a time sequence.
7. A live video broadcast system for simultaneous on-line viewing by multiple persons as claimed in claim 6, wherein: the man-machine interaction module comprises a video playing unit and an interaction feedback module, wherein the video playing unit is used for playing videos, and the interaction feedback module is used for receiving operation information of a user and transmitting the operation information to a video live broadcast end through a one-to-one transmission channel.
8. A live video broadcast system for simultaneous on-line viewing by multiple people as claimed in claim 7 wherein: the specific operation flow is as follows:
the video acquisition module acquires a high-definition video original image stream through a front-end camera, and the processing module performs size processing and noise reduction processing on the high-definition video original image stream;
the video stream truncation unit truncates the video stream into independent interval video streams according to a set time interval;
the compression coding unit compresses each interval video stream into an interval video stream compression packet;
the passive transmission channel establishing unit establishes a passive connection port in a live video broadcast end, so that a one-to-one transmission channel is automatically established with a human-computer interaction module after the human-computer interaction module enters live video broadcast;
the selection transmission unit selects a proper network to transmit the compressed packet of the interval video stream from the transmission channel to the video receiving end;
the video decoding unit decompresses the received interval video stream compression packet into an interval video stream, and the video stream splicing unit splices the interval video stream into a complete video stream according to a time sequence;
the video playing unit plays a video;
the interactive feedback module is used for receiving operation information of a user and transmitting the operation information to the video live broadcast end through the one-to-one transmission channel.
CN202210962412.8A 2022-08-11 2022-08-11 Video live broadcast system for multiple persons to watch simultaneously on line Pending CN115334330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210962412.8A CN115334330A (en) 2022-08-11 2022-08-11 Video live broadcast system for multiple persons to watch simultaneously on line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210962412.8A CN115334330A (en) 2022-08-11 2022-08-11 Video live broadcast system for multiple persons to watch simultaneously on line

Publications (1)

Publication Number Publication Date
CN115334330A true CN115334330A (en) 2022-11-11

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