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CN-122002081-A - Method and system for fast wireless transmission of high-definition video

CN122002081ACN 122002081 ACN122002081 ACN 122002081ACN-122002081-A

Abstract

The invention is suitable for the technical field of high-definition video wireless transmission, and provides a high-definition video wireless transmission control system which comprises a video transmitting device, a video receiving device and video playing equipment, wherein the video transmitting device comprises a video transmitting device, a video receiving device and video playing equipment, the video transmitting device comprises a content decomposing module, a bit grouping module, a network decomposing module, a field converting module and a wireless transmitting module, the video receiving device comprises a wireless receiving module, a video decoding module, a decompressing module, a wireless transmission module, a wireless network module, a memory and a processing center, the wireless receiving module, the video decoding module, the decompressing module, the wireless transmission module, the wireless network module and the memory are respectively connected with the processing center, and the video playing equipment comprises a wireless communication module and a video playing module. The invention solves the problems of delay, blocking, low transmission image quality and the like in the wireless video playing process.

Inventors

  • XIONG ANYONG
  • YANG ZHUO
  • PANG NIANBIN

Assignees

  • 深圳市安睿信科技有限公司

Dates

Publication Date
20260508
Application Date
20230922

Claims (10)

  1. 1. A high-definition video rapid wireless transmission method is characterized by comprising the following steps: S10, decomposing sub-image information of a main body, a partner body, an environment, a foreground and a background one by one according to the content composition of the images by a content decomposition module and transmitting the sub-image information to a bit grouping module; s20, a bit grouping module groups the sub-image information of the main body, the accompanying body, the environment, the foreground and the background according to a YUV4:4:4 chroma signal resolution format and transmits the sub-image information to a network decomposition module; s30, classifying each group into innumerable network information packets according to the main body, the accompanying body, the environment, the foreground and the background categories by the network decomposition module, and transmitting the innumerable network information packets to the field conversion module; S40, converting the field conversion module into a specific data field of the network frame according to the network information packet, and transmitting the specific data field to the wireless transmission module; S50, the wireless transmitting module converts the data field of the network frame into a wireless signal and transmits the wireless signal to the wireless receiving module for playing.
  2. 2. The method for fast wireless transmission of high definition video according to claim 1, wherein the step S20 is "grouping according to YUV4:4:4 chroma resolution format", comprising the steps of: s21, the statistics unit carries out statistics on the numerical value corresponding to each bit in the group to confirm the target value, and the numerical value is transmitted to the numbering unit; s22, the numbering unit respectively numbers the different target values one by one to show giant scores and transmits the giant scores to the bit grouping unit; s23, the grouping unit performs grouping one by one according to the value corresponding to each bit in the grouping, and transmits the grouping to the network decomposition module.
  3. 3. The method for rapid wireless transmission of high definition video according to claim 1, wherein the step S40 comprises the following steps before converting the network packet into the data field of the specific network frame: s401, adding an identifier to a network information packet corresponding to the same row or column in the source image by an identifier unit, and transmitting the identifier to a filling unit; And S402, sequentially filling the data fields of the network frames by a filling unit according to the bit sequence, and transmitting the data fields to the wireless transmission module.
  4. 4. The method for rapid wireless transmission of high-definition video according to claim 1, wherein the step S50 of transmitting to a wireless receiving module for playing comprises the following steps: S51, a wireless network video signal received by the wireless receiving module through a wireless network is converted into a network information data packet video signal, and the network information data packet video signal is transmitted to the video decoding module; s52, the video decoding module decodes the network information data packet in real time and transmits the network information data packet to the decompression calculation module; s53, the decompression calculation module adopts a decompression algorithm to restore the high definition of the video according to the number, converts the video into a playable video stream format, and transmits the video stream format to the processing center; S54, the processing center compares the playable video stream format with the original video playing format stored in the memory, if the playable video stream format is consistent with the original video playing format stored in the memory, the playable video stream format is transmitted to the wireless transmission module, and if the playable video stream format is inconsistent with the original video playing format, the processing center informs the video decoding module to re-decode; S55, the wireless transmission module carries out lossless transmission according to video signals of the processed files after 1080P/3D, 720P/3D and other high-definition video coding, and transmits the video signals to the video playing module; S56, the video playing module obtains data conversion of the frame buffer framebuff of the video playing device and outputs the data conversion to the video playing device.
  5. 5. The method for rapid wireless transmission of high definition video according to claim 1, wherein the step S51 of converting wireless network video signals received via a wireless network into video signal information comprises the steps of: S511, the modulation signal unit collects high-definition video wireless signals according to the related instructions and transmits the signals to the front-end processing unit; s512, the front-end processing unit performs optimization processing according to the high-video wireless signal, restores the high-video wireless signal to an original video wireless signal and transmits the original video wireless signal to the mask unit; S513, the mask unit decrypts the video wireless signal into open video information through a dynamic host configuration protocol according to the original video wireless signal and transmits the open video information to the color conversion unit; S514, the color conversion unit converts the video information into color video information according to the open video information and transmits the color video information to the processing center; And S515, the processing center compares the color video information with the original color video information stored in the memory, if the color video information is consistent with the original color video information, the color video information is transmitted to the wireless transmission module, and if the color video information is inconsistent with the original color video information, the front-end processing unit is informed to continue to restore the video information until the color video information is consistent with the pre-stored color video.
  6. 6. The high-definition video rapid wireless transmission control system comprises a video transmitting device, a video receiving device and video playing equipment, wherein the video transmitting device comprises a content decomposing module, a bit grouping module, a network decomposing module, a field converting module and a wireless transmitting module, the content decomposing module, the bit grouping module, the network decomposing module, the field converting module and the wireless transmitting module are connected with each other, the video receiving device comprises a wireless receiving module, a video decoding module, a decompression module, a wireless transmission module, a wireless network module, a memory and a processing center, the wireless receiving module, the video decoding module, the decompression module, the wireless transmission module, the wireless network module and the memory are respectively connected with the processing center, the video playing equipment comprises a wireless communication module and a video playing module, the wireless communication module and the video playing module are mutually connected, the video transmitting device and the video receiving device are respectively connected through a wireless transmitting module and a wireless receiving module in a wireless network, and the video playing equipment are respectively connected through the wireless network module and the wireless communication module in a wireless network; The wireless network module and the wireless communication module are internet of things modules and are responsible for receiving and transmitting wireless network signals, and in the range of the internet of things, the wireless network module in the video receiving device is automatically networked with the wireless communication module in the video playing device through the internet of things to realize wireless network connection; the memory is responsible for storing information of each module and storing original color video information and original video playing video formats; the processing center is responsible for information transmission of each module, is a hub center of the system, and is used for comparing a playable video stream format with an original video playing video format stored in the memory, if the playable video stream format is consistent with the original video playing video format stored in the memory, the processing center is used for informing the video decoding module to re-decode the video information, and is used for comparing the color video information with the original color video information stored in the memory, if the video information is consistent with the original color video information stored in the memory, the processing center is used for informing the front-end processing unit to continue restoring the video information until the video information is consistent with the pre-stored color video; the content decomposition module decomposes sub-image information of a main body, an accompanying body, an environment, a foreground and a background one by one according to the content composition of the images according to the sub-images of each time point, and transmits the sub-image information to the bit grouping module; the bit grouping module comprises a statistics unit, a numbering unit and a grouping unit, is responsible for grouping all sub-image information of a main body, a partner, an environment, a foreground and a background according to a YUV4:4:4 chroma signal resolution format, and transmits the sub-image information to the network decomposition module; The counting unit is responsible for counting the numerical values corresponding to each bit in the group to confirm the target values and transmitting the target values to the numbering unit, and the numbering unit is responsible for respectively numbering the different target values one by one to show giant scores and transmitting the giant scores to the bit grouping unit; The network decomposition module classifies each group into innumerable network information packets according to main body, cosubstance, environment, foreground and background categories and transmits the innumerable network information packets to the field conversion module; The field conversion module converts the network information packet into a data field of a specific network frame and transmits the data field to the wireless transmission module; the wireless transmitting module converts the data field of the network frame into a wireless signal and transmits the wireless signal to the wireless receiving module for playing; The identification unit adds an identification to the network information packet corresponding to the same row or column in the source image and transmits the identification to the filling unit; the filling unit sequentially fills the data fields of the network frames according to the bit sequence; The wireless receiving module comprises a modulating signal unit, a front-end processing unit, a mask unit and a color conversion unit, and wireless network video signals received through a wireless network are converted into video signals and transmitted to the video decoding module; The system comprises a modulation signal unit, a front-end processing unit, a mask unit, a color conversion unit, a processing center and a color conversion unit, wherein the modulation signal unit collects high-definition video wireless signals according to related instructions and transmits the high-definition video wireless signals to the front-end processing unit; the video decoding module decodes in real time according to the network information data packet and transmits the network information data packet to the decompression calculation module; The decompression calculation module adopts a decompression algorithm to restore the high definition of the video according to the number, converts the video into a playable video stream format and transmits the video stream format to the processing center.
  7. 7. The rapid wireless transmission control system of high definition video according to claim 6, wherein the wireless transmission module comprises a ZWD-1222 module, a ZWD-2422 module, a ZWD-2822 module and a WHD-200U module, is provided with a 5dBi high gain antenna, is responsible for lossless transmission of 1080P/3D, 720P/3D and other high definition video coding post-processing files, and transmits the lossless transmission to the video decoding module.
  8. 8. The rapid wireless transmission control system of claim 6 wherein the video playing module obtains data of the frame buffer framebuff of the video playing device and converts the data to output to the video playing device.
  9. 9. The fast wireless transmission control system for high-definition video according to claim 6, further comprising a fast wireless transmission device for high-definition video, wherein the fast wireless transmission method for high-definition video according to claim 1-5 and the fast wireless transmission control system for high-definition video according to claim 6-8 are implemented.
  10. 10. The fast wireless transmission control system for high-definition video according to claim 9, further comprising a computer device and a computer readable storage medium, wherein the computer device comprises a memory and each functional module, the memory stores a computer program, the functional module implements the steps of a fast wireless transmission method for high-definition video according to any one of claims 1 to 5 when executing the computer program, and the computer readable storage medium stores a computer program, which implements the steps of a fast wireless transmission method for high-definition video according to any one of claims 1 to 5 when being executed by each functional module.

Description

Method and system for fast wireless transmission of high-definition video Technical Field The invention belongs to the technical field of high-definition video wireless transmission, and particularly relates to a method and a system for high-definition video rapid wireless transmission. Background The existing network video is transmitted to a router through a mobile network in a wireless mode, and then is transmitted to a mobile phone, a computer or a television for playing, and the video is required to be played after passing through the Internet and WiFi. The high-definition video wireless transmission comprises WiFi transmission and mobile network transmission which are often used in an intersecting way, but the current WiFi transmission is difficult to reach 720p and above high-definition standards, is limited by network signals, and has the problems of delay, blocking, low transmission image quality and the like. Disclosure of Invention In order to solve the defects in the prior art, the invention aims to provide a method and a system for fast and wireless transmission of high-definition video, wherein a content decomposition module, a bit grouping module, a network decomposition module and a field conversion module are arranged in a video sending device, a video decoding module, a decompression calculation module and a wireless transmission module are arranged in a video receiving device, a video playing module is arranged in video playing equipment, nondestructive decomposition and compression are carried out on the video, a received video file is in a nondestructive state after remote wireless transmission, and then the original file is directly and wirelessly transmitted to the video playing equipment, so that the wireless transmission reaches 720p and above high-definition standard, the problems of delay, blocking, low transmission image quality and the like during video playing are solved, and the wireless video playing is kept smooth all the time. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: A method for fast wireless transmission of high definition video comprises the following steps: S10, decomposing sub-image information of a main body, a partner body, an environment, a foreground and a background one by one according to the content composition of the images by a content decomposition module and transmitting the sub-image information to a bit grouping module; s20, a bit grouping module groups the sub-image information of the main body, the accompanying body, the environment, the foreground and the background according to a YUV4:4:4 chroma signal resolution format and transmits the sub-image information to a network decomposition module; s30, classifying each group into innumerable network information packets according to the main body, the accompanying body, the environment, the foreground and the background categories by the network decomposition module, and transmitting the innumerable network information packets to the field conversion module; S40, converting the field conversion module into a specific data field of the network frame according to the network information packet, and transmitting the specific data field to the wireless transmission module; S50, the wireless transmitting module converts the data field of the network frame into a wireless signal and transmits the wireless signal to the wireless receiving module for playing. Further, "grouping according to YUV4:4:4 chroma resolution format" in step S20 includes the following steps: s21, the statistics unit carries out statistics on the numerical value corresponding to each bit in the group to confirm the target value, and the numerical value is transmitted to the numbering unit; s22, the numbering unit respectively numbers the different target values one by one to show giant scores and transmits the giant scores to the bit grouping unit; s23, the grouping unit performs grouping one by one according to the value corresponding to each bit in the grouping, and transmits the grouping to the network decomposition module. Further, before the step S40 of converting the network packet into the data field of the specific network frame, the method includes the following steps: s401, adding an identifier to a network information packet corresponding to the same row or column in the source image by an identifier unit, and transmitting the identifier to a filling unit; And S402, sequentially filling the data fields of the network frames by a filling unit according to the bit sequence, and transmitting the data fields to the wireless transmission module. Further, in the step S50, "transfer to the wireless receiving module for playing", the method includes the following steps: S51, a wireless network video signal received by the wireless receiving module through a wireless network is converted into a network information data packet video signal, and the network information data packet vi