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Video transmission system and receiving/sending/transmission methods and devices

A technology of a video receiving and sending device, applied in the field of communications, can solve the problems of wasting transmission bandwidth and affecting the quality of video playback, and achieve the effects of ensuring fluency, saving transmission bandwidth, and reducing bandwidth consumption

Active Publication Date: 2018-09-28
SHENZHEN INPOR CLOUD COMPUTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a video transmission system, receiving / sending / transmitting method and device to solve the problem of wasting transmission bandwidth and affecting video playback quality caused by the video sender directly sending encoded video in the prior art The problem

Method used

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  • Video transmission system and receiving/sending/transmission methods and devices
  • Video transmission system and receiving/sending/transmission methods and devices
  • Video transmission system and receiving/sending/transmission methods and devices

Examples

Experimental program
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Embodiment 1

[0063] see figure 1 , which shows a schematic diagram of the implementation flow of the video receiving method in Embodiment 1 of the present invention. This embodiment can be applied to the video receiving party, and is described in detail as follows:

[0064] In step S101, the display window information of each video receiver is acquired in real time, and the display window information includes: the DPI parameter of the video receiver and the size of the display window of the receiver.

[0065] In this embodiment, the display window information of the receiver needs to be obtained first, and the video sender can adjust the size of the video to be sent according to the display window information. Specifically, obtaining the display window information of each video receiver may include: the video receiver first receives the video stream sent by the video sender, and the video receiver decodes the received video stream to obtain the display window information.

[0066] Among t...

Embodiment 2

[0085] Corresponding to the video receiving method described in the above embodiment, figure 2 A schematic diagram of a video receiving device provided by an embodiment of the present invention is shown, and this embodiment can be applied to a video receiving party. For ease of description, only the parts related to this embodiment are shown.

[0086] see figure 2 , the device may include: a window information acquiring module 101 , a feedback information calculating module 102 , a feedback information sending module 103 , a video receiving module 104 and a playing module 105 .

[0087] The window information acquiring module 101 is configured to acquire the display window information of each video receiver in real time, and the display window information includes: the DPI parameter of the video receiver and the size of the receiver's display window.

[0088] The feedback information calculation module 102 is configured to calculate the feedback information of each video r...

Embodiment 3

[0098] see image 3 , which shows a schematic diagram of the implementation flow of the video sending method in Embodiment 3 of the present invention. This embodiment can be applied to the video sending party, and the details are as follows:

[0099] Step S201, receiving feedback information sent by each video receiver, and obtaining window resolution information according to the feedback information; or directly receiving window resolution information sent by a server.

[0100] In this embodiment, the video sender needs to receive feedback information from the video receiver or window resolution information from the server. When the video sender receives feedback information from the video receiver, the feedback information is The feedback window information of each video receiver needs to calculate the window resolution information according to the feedback window information, and the window resolution information is the basis for the video sender to adjust the output video....

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PUM

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Abstract

The invention is applicable to the technical field of communication, and provides a video transmission system and receiving / sending / transmission methods and devices. The video receiving method comprises the steps of: acquiring display window information of each video receiver in real time, wherein the display window information comprises a DPI (Dots Per Inch) parameter of the receiver and the sizeof a display window of the receiver; when the display window information is changed, calculating feedback information of each video receiver according to the display window information of each videoreceiver; sending the feedback information of each video receiver to a video sender or a server, wherein the feedback information is used for regulating video data output by the video sender; and receiving the video data output by the video sender or the server and playing the video data in the display window of each video receiver. In the method, the video sender can display environment information according to a video of the receiver, and a resolution of the video sent out by the video sender is regulated, so that a transmission bandwidth is saved when playing quality is not influenced.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a video transmission system, receiving / sending / transmitting method and device. Background technique [0002] In an ordinary Internet video conference, a video sender and a video receiver are usually included, wherein there are usually multiple video receivers, and the video sender usually sets a resolution coded video in advance and sends it to each receiver. However, when the display window resolutions of the display devices of each video receiver are different, if the video sender directly sends the preset encoded video to each receiver, the preset encoded video may not meet the needs of each receiver. Display requirements, on the one hand, when the resolution of the display window of the receiver’s display device is much smaller than the resolution of the video sent by the sender, it will lead to a waste of transmission bandwidth, resulting in network congest...

Claims

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Application Information

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IPC IPC(8): H04N21/4402H04N7/15
CPCH04N7/15H04N7/155H04N21/440263
Inventor 王素云张弦侯刚
Owner SHENZHEN INPOR CLOUD COMPUTING CO LTD
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