CN110958415A - Method for dynamically adjusting media transmission based on single-platform network monitoring - Google Patents
Method for dynamically adjusting media transmission based on single-platform network monitoring Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
- H04N21/64738—Monitoring network characteristics, e.g. bandwidth, congestion level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64784—Data processing by the network
- H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
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Abstract
The invention provides a method for dynamically adjusting media transmission based on single-platform network monitoring, which comprises the following steps of: establishing connection of an encoding device A, an encoding device B, a decoding device, an operation terminal A and an operation terminal B in the same audio and video platform domain through a LAN network, and respectively establishing mapping relations between the encoding device A and the operation terminal A and between the encoding device B and the operation terminal B; a user A logs in an operation terminal A, and a user B logs in an operation terminal B; the audio and video platform monitors the network conditions of the operation terminal A, the operation terminal B and the decoding equipment in real time, the operation terminal A, the operation terminal B and the decoding equipment can switch between video transmission and audio transmission according to the network conditions, and when the bandwidth of a connection network at a certain position is lower than 128K/S or the packet loss of the network reaches 30% -50%, the corresponding operation terminal A, the operation terminal B or the decoding equipment is automatically switched to the audio transmission.
Description
Technical Field
The invention relates to the field of audio and video communication, in particular to a method for dynamically adjusting media transmission based on single-platform network monitoring.
Background
At present, audio and video platforms such as video monitoring, video conference, video commanding and video scheduling are all used for video transmission based on a network, and although network bandwidth is larger and better and network experience is better with continuous updating of network technology, the situation that the bandwidth is lower than 128K/S or network packet loss reaches 30% -50% still exists. When the bandwidth is lower than 128K/S or the network packet loss reaches 30% -50%, the traditional audio and video platform is basically not enough for audio and video transmission, and the ongoing service cannot be normally carried out. The method is applied to audio and video platforms such as video monitoring, video conferences, video commanding and video scheduling, and mainly ensures that the method for guaranteeing the command of bidirectional communication between the service and other personnel is still provided without interrupting the service under the conditions of extremely poor network conditions (the bandwidth is lower than 128K/S network packet loss reaches 30% -50%).
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method for dynamically adjusting media transmission based on single-platform network monitoring to solve the technical defect, aiming at the technical problem that at present, services cannot be normally developed between decoding devices under the condition that the network bandwidth is lower than 128K/S or the network packet loss reaches 30% -50%.
The method for dynamically adjusting media transmission based on single-platform network monitoring is used for system deployment: establishing connection of an encoding device A, an encoding device B, a decoding device, an operation terminal A and an operation terminal B in the same audio and video platform domain through a LAN network, and respectively establishing mapping relations between the encoding device A and the operation terminal A and between the encoding device B and the operation terminal B; a user A logs in an operation terminal A, and a user B logs in an operation terminal B; the audio and video platform monitors the network conditions of the operation terminal A, the operation terminal B and the decoding equipment in real time, the operation terminal A, the operation terminal B and the decoding equipment can switch between video transmission and audio transmission according to the network conditions, and when the bandwidth of a connection network at a certain position is lower than 128K/S or the packet loss of the network reaches 30% -50%, the corresponding operation terminal A, the operation terminal B or the decoding equipment is automatically switched to the audio transmission.
Further, if the operation terminal A and the decoding device simultaneously request the image of the coding device A and play the sound of the coding device A, when the network bandwidth between the audio and video platform and the coding device A is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal A and the decoding device that the network is abnormal, the coding device A is automatically switched to pure audio, meanwhile, the audio and video platform automatically acquires the audio of the coding device A and then pushes the audio of the coding device A to the operation terminal A and the decoding device, the operation terminal A and the decoding device automatically switch to audio output, the normal audio transmission is guaranteed, and at the moment, both the sound of the operation terminal A and the sound of the decoding device are normal and the image is abnormal; when the network between the audio and video platform and the coding device A is recovered to be normal, the audio and video platform automatically acquires the audio and video of the coding device A, then the audio and video of the coding device A is pushed to the operation terminal A and the decoding device, the operation terminal A and the decoding device are automatically switched to audio and video output, and at the moment, the image of the operation terminal A and the image of the decoding device are normal, and the sound of the operation terminal A and the sound of the decoding device are.
Further, if the operation terminal a and the decoding device simultaneously request the image of the coding device a and play the sound of the coding device a, when the network bandwidth between the audio/video platform and the operation terminal a is lower than 128K/S or the network packet loss reaches 30% -50%, the audio/video platform prompts the operation terminal a that the network is abnormal, the coding device a automatically switches to pure audio, and the audio/video platform still collects the audio/video of the coding device a, and then pushes the audio of the coding device a to the operation terminal a, the operation terminal a automatically switches to audio output, so that the audio transmission is ensured to be normal, the audio/video platform still pushes the audio/video of the coding device a to the decoding device, and the decoding device is not affected. At this time, the sound of the operation terminal A is normal, and the image is abnormal. When the network between the audio and video platform and the operation terminal A is recovered to be normal, the audio and video platform automatically pushes the audio and video of the encoding equipment A to the operation terminal A, the operation terminal A automatically switches to audio and video output, and at the moment, the image and the sound of the operation terminal A are normal.
Further, if the user A and the user B carry out video calling, video conference and video command video service, the operation terminal A outputs the audio and video of the coding device B, the operation terminal B outputs the audio and video of the coding device A, when the network bandwidth between the coding device A and the audio and video platform mapped by the operation terminal A is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal B that the network is abnormal, the user A automatically switches to pure audio, meanwhile, the audio and video platform automatically acquires the audio of the coding device A, then pushes the audio of the coding device A to the operation terminal B, the operation terminal B automatically switches to audio output, at the moment, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, the video is normal, the operation terminal B outputs the audio and the sound of the coding device A, video abnormity, uninterrupted services such as video calling, video conference, video command and the like; when the network between the audio and video platform and the coding equipment A is recovered to be normal, the audio and video platform automatically acquires the audio and video of the coding equipment A, then pushes the audio and video of the coding equipment A to the operation terminal B, and the operation terminal B outputs the audio and video of the coding equipment A; at this time, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, and the video is normal.
Further, if the user a and the user B perform a video call, a video conference, and a video command video service, the operation terminal a outputs the audio and video of the encoding device B, the operation terminal B outputs the audio and video of the encoding device a, when the network bandwidth between the operation terminal a and the audio and video platform is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal a that "the network is abnormal, the user B automatically switches to pure audio", the audio and video platform collects the audio and video of the encoding device B at the same time, then pushes the audio of the encoding device B to the operation terminal a, the operation terminal a automatically switches to audio output, at this time, the operation terminal a outputs the audio, sound and video of the encoding device B, the audio and video of the encoding device a are normal, the video is abnormal, the operation terminal B outputs the audio and video of the encoding device, The services of video conference, video command and the like are not interrupted; when the network between the audio and video platform and the operation terminal A is recovered to be normal, the audio and video platform pushes the audio and video of the coding device B to the operation terminal A, and the operation terminal A outputs the audio and video of the coding device B; at this time, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, and the video is normal.
Further, the encoding device a and the encoding device B may be external encoding devices, or may be internal encoding devices of the operation terminal.
The invention has the advantages that the audio and video platform dynamically adjusts the audio frequency of the acquisition coding device to be transmitted to all decoding devices for decoding output by monitoring the network conditions between the audio and video platform and the decoding devices (soft solution and hard solution) and between the audio and video platform and the coding devices, when the bandwidth between the audio and video platform and the coding devices is lower than 128K/S or the network packet loss reaches 30% -50%, and when the network recovers to be normal, the audio and video platform dynamically adjusts the audio frequency of the acquisition coding device to be transmitted to all decoding devices for decoding output; when the bandwidth between the audio and video platform and the decoding equipment is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform still collects the audio and video of the encoding equipment and then only transmits the audio to the decoding equipment with insufficient bandwidth for decoding and outputting, the decoding equipment with normal other networks is not affected, and when the network recovers to be normal, the audio and video platform transmits the audio and video to the decoding equipment with poor network for decoding and outputting. The method is used for solving the problem that the service cannot be normally carried out between decoding devices under the condition that the network bandwidth is lower than 128K/S or the network packet loss reaches 30% -50%.
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The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a network deployment diagram of the method for dynamically adjusting media transmission based on single-platform network monitoring according to the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The method for dynamically adjusting media transmission based on single-platform network monitoring is implemented by system deployment as shown in fig. 1: establishing connection of an encoding device A, an encoding device B, a decoding device, an operation terminal A and an operation terminal B in the same audio and video platform domain through a LAN network, and respectively establishing mapping relations between the encoding device A and the operation terminal A and between the encoding device B and the operation terminal B; a user A logs in an operation terminal A, and a user B logs in an operation terminal B; the audio and video platform monitors the network conditions of the operation terminal A, the operation terminal B and the decoding equipment in real time, the operation terminal A, the operation terminal B and the decoding equipment can switch between video transmission and audio transmission according to the network conditions, and when the bandwidth of a connection network at a certain position is lower than 128K/S or the packet loss of the network reaches 30% -50%, the corresponding operation terminal A, the operation terminal B or the decoding equipment is automatically switched to the audio transmission.
If the operation terminal A and the decoding equipment simultaneously order the image of the coding equipment A and play the sound of the coding equipment A, when the network bandwidth between the audio and video platform and the coding equipment A is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal A and the decoding equipment that the network is abnormal, the coding equipment A is automatically switched to pure audio, the audio and video platform automatically collects the audio of the coding equipment A at the same time, then the audio of the coding equipment A is pushed to the operation terminal A and the decoding equipment, the operation terminal A and the decoding equipment are automatically switched to audio output, the normal audio transmission is guaranteed, and at the moment, both the sound of the operation terminal A and the sound of the decoding equipment are normal and the; when the network between the audio and video platform and the coding device A is recovered to be normal, the audio and video platform automatically acquires the audio and video of the coding device A, then the audio and video of the coding device A is pushed to the operation terminal A and the decoding device, the operation terminal A and the decoding device are automatically switched to audio and video output, and at the moment, the image of the operation terminal A and the image of the decoding device are normal, and the sound of the operation terminal A and the sound of the decoding device are.
If the operation terminal A and the decoding device simultaneously order the image of the coding device A and play the sound of the coding device A, when the network bandwidth between the audio and video platform and the operation terminal A is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal A that the network is abnormal, the coding device A automatically switches to pure audio, the audio and video platform still collects the audio and video of the coding device A at the same time, then the audio of the coding device A is pushed to the operation terminal A, the operation terminal A automatically switches to audio output, the audio transmission is guaranteed to be normal, the audio and video platform still pushes the audio and video of the coding device A to the decoding device, and the decoding device is. At this time, the sound of the operation terminal A is normal, and the image is abnormal. When the network between the audio and video platform and the operation terminal A is recovered to be normal, the audio and video platform automatically pushes the audio and video of the encoding equipment A to the operation terminal A, the operation terminal A automatically switches to audio and video output, and at the moment, the image and the sound of the operation terminal A are normal.
If a user A and a user B carry out video calling, a video conference and video command video services, an operation terminal A outputs the audio and video of a coding device B, the operation terminal B outputs the audio and video of the coding device A, when the network bandwidth between the coding device A and an audio and video platform mapped by the operation terminal A is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts that the network of the operation terminal B is abnormal, the user A automatically switches to pure audio, meanwhile, the audio and video platform automatically acquires the audio of the coding device A, then pushes the audio of the coding device A to the operation terminal B, the operation terminal B automatically switches to audio output, at the moment, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, the video is normal, the operation terminal B outputs the audio of the coding device A, the sound is normal and the video is, the services of video calling, video conference, video command and the like are not interrupted; when the network between the audio and video platform and the coding equipment A is recovered to be normal, the audio and video platform automatically acquires the audio and video of the coding equipment A, then pushes the audio and video of the coding equipment A to the operation terminal B, and the operation terminal B outputs the audio and video of the coding equipment A; at this time, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, and the video is normal.
If the user A and the user B carry out video calling, video conference and video command video service, the operation terminal A outputs the audio and video of the coding device B, the operation terminal B outputs the audio and video of the coding device A, when the network bandwidth between the operation terminal A and the audio and video platform is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal A that the network is abnormal, the user B automatically switches to pure audio, the audio and video platform collects the audio and video of the coding device B, then the audio of the coding device B is pushed to the operation terminal A, the operation terminal A automatically switches to audio output, at the moment, the operation terminal A outputs the audio, the sound is normal, the video is abnormal, the operation terminal B outputs the audio and video of the coding device A, the sound is normal, the video calling and the video conference are normal, The services such as video command and the like are not interrupted; when the network between the audio and video platform and the operation terminal A is recovered to be normal, the audio and video platform pushes the audio and video of the coding device B to the operation terminal A, and the operation terminal A outputs the audio and video of the coding device B; at this time, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, and the video is normal.
The coding device a and the coding device B may be external coding devices or internal coding devices of the operation terminal.
The invention dynamically collects the audio frequency of the coding device to be pushed to all decoding devices or collects the audio frequency of the coding device to be pushed to the decoding devices with poor network by monitoring the network condition between the audio and video platform and the coding device or the decoding devices under the condition that the network condition is insufficient to transmit the audio and video (the network bandwidth is lower than 128K/S or the network packet loss reaches 30% -50%), thereby solving the problem that the service can not be normally carried out between the decoding devices under the condition that the network condition is insufficient to transmit the audio and video (the network bandwidth is lower than 128K/S or the network packet loss reaches 30% -50%).
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The method for dynamically adjusting media transmission based on single-platform network monitoring is characterized by comprising the following steps of: establishing connection of an encoding device A, an encoding device B, a decoding device, an operation terminal A and an operation terminal B in the same audio and video platform domain through a LAN network, and respectively establishing mapping relations between the encoding device A and the operation terminal A and between the encoding device B and the operation terminal B; a user A logs in an operation terminal A, and a user B logs in an operation terminal B; the audio and video platform monitors the network conditions of the operation terminal A, the operation terminal B and the decoding equipment in real time, the operation terminal A, the operation terminal B and the decoding equipment can switch between video transmission and audio transmission according to the network conditions, and when the bandwidth of a connection network at a certain position is lower than 128K/S or the packet loss of the network reaches 30% -50%, the corresponding operation terminal A, the operation terminal B or the decoding equipment is automatically switched to the audio transmission.
2. The method for dynamically adjusting media transmission based on single-platform network monitoring according to claim 1, wherein if the operation terminal a and the decoding device simultaneously request the image of the encoding device a and play the sound of the encoding device a, when the network bandwidth between the audio/video platform and the encoding device a is lower than 128K/S or the network packet loss reaches 30% -50%, the audio/video platform prompts the operation terminal a and the decoding device that the network is abnormal, the encoding device a automatically switches to pure audio, and simultaneously the audio/video platform automatically acquires the audio of the encoding device a and pushes the audio of the encoding device a to the operation terminal a and the decoding device, the operation terminal a and the decoding device automatically switch to audio output, so that normal audio transmission is ensured, and at the moment, both the operation terminal a and the decoding device have normal sound and abnormal image; when the network between the audio and video platform and the coding device A is recovered to be normal, the audio and video platform automatically acquires the audio and video of the coding device A, then the audio and video of the coding device A is pushed to the operation terminal A and the decoding device, the operation terminal A and the decoding device are automatically switched to audio and video output, and at the moment, the image of the operation terminal A and the image of the decoding device are normal, and the sound of the operation terminal A and the sound of the decoding device are.
3. The method for dynamically adjusting media transmission based on single-platform network monitoring according to claim 1, wherein if the operation terminal a and the decoding device simultaneously request the image of the encoding device a and play the sound of the encoding device a, when the network bandwidth between the audio/video platform and the operation terminal a is lower than 128K/S or the network packet loss reaches 30% -50%, the audio/video platform prompts the operation terminal a that the network is abnormal, the encoding device a automatically switches to pure audio, and the audio/video platform still collects the audio/video of the encoding device a, then pushes the audio of the encoding device a to the operation terminal a, and the operation terminal a automatically switches to audio output, so that the audio transmission is normal, and the audio/video platform still pushes the audio/video of the encoding device a to the decoding device, and the decoding device is not affected. At this time, the sound of the operation terminal A is normal, and the image is abnormal. When the network between the audio and video platform and the operation terminal A is recovered to be normal, the audio and video platform automatically pushes the audio and video of the encoding equipment A to the operation terminal A, the operation terminal A automatically switches to audio and video output, and at the moment, the image and the sound of the operation terminal A are normal.
4. The method of claim 1, wherein if the user A and the user B perform video call, video conference, and video command video service, the operation terminal A outputs the audio and video of the encoding device B, the operation terminal B outputs the audio and video of the encoding device A, when the network bandwidth between the encoding device A and the audio and video platform mapped by the operation terminal A is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal B that the network is abnormal, the user A automatically switches to pure audio, and the audio and video platform automatically acquires the audio of the encoding device A, then pushes the audio of the encoding device A to the operation terminal B, the operation terminal B automatically switches to audio output, and the operation terminal A outputs the audio and video of the encoding device B, the sound is normal, the video is normal, the operation terminal B outputs the audio of the coding equipment A, the sound is normal, the video is abnormal, and the services of video calling, video conference, video command and the like are not interrupted; when the network between the audio and video platform and the coding equipment A is recovered to be normal, the audio and video platform automatically acquires the audio and video of the coding equipment A, then pushes the audio and video of the coding equipment A to the operation terminal B, and the operation terminal B outputs the audio and video of the coding equipment A; at this time, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, and the video is normal.
5. The method of claim 1, wherein if the user A and the user B perform video call, video conference, and video command video service, the operation terminal A outputs the audio and video of the encoding device B, the operation terminal B outputs the audio and video of the encoding device A, when the network bandwidth between the operation terminal A and the audio and video platform is lower than 128K/S or the network packet loss reaches 30% -50%, the audio and video platform prompts the operation terminal A that the network is abnormal, the user B automatically switches to pure audio, and the audio and video platform collects the audio and video of the encoding device B, then pushes the audio of the encoding device B to the operation terminal A, the operation terminal A automatically switches to audio output, and at this time, the operation terminal A outputs the audio, sound and video of the encoding device B, the operation terminal B outputs the audio and video of the coding equipment A, the sound is normal, the video is normal, and the services of video calling, video conference, video command and the like are not interrupted; when the network between the audio and video platform and the operation terminal A is recovered to be normal, the audio and video platform pushes the audio and video of the coding device B to the operation terminal A, and the operation terminal A outputs the audio and video of the coding device B; at this time, the operation terminal A outputs the audio and video of the coding device B, the sound is normal, and the video is normal.
6. The method of claim 1, wherein the coding device a and the coding device B may be external coding devices or internal coding devices of the operation terminal.
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| CN110035251A (en) * | 2019-04-18 | 2019-07-19 | 合肥谐桐科技有限公司 | The method for realizing code rate control processing based on video conference service end |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112911336A (en) * | 2021-01-15 | 2021-06-04 | 武汉兴图新科电子股份有限公司 | Video decoding compression network dynamic adjustment system and method for cloud video platform |
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Denomination of invention: A method for dynamically adjusting media transmission based on single platform network monitoring Effective date of registration: 20231226 Granted publication date: 20210611 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN XINGTU XINKE ELECTRONIC Co.,Ltd. Registration number: Y2023980073771 |