Video transmission processing method, device and system
A technology of video transmission and processing method, which is applied in the field of communication, and can solve the problems that users cannot understand video content normally, increase the burden of network transmission, and message loss, etc.
Active Publication Date: 2018-04-17
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology
[0003] However, in real life, there are many factors that will affect the stability of network transmission quality, such as weather and other external factors that cause short-term fluctuations in transmission bandwidth, or temporary user capacity peaks in some places, causing network transmission Congestion occurs, these situations will lead to packet loss during video transmission
Based on the characteristics of video transmission, discarding some non-key frames does not affect the user's understanding of the video content. If a large number of key frames are discarded, the user cannot understand the video content normally, resulting in retransmission requests over and over again, thereby further Increase the burden of network transmission. Therefore, the current video transmission method has certain limitations and cannot flexibly adapt to the application requirements of dynamic changes in wireless networks.
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[0021] figure 1 A flowchart of a video transmission processing method provided by an embodiment of the present invention, such as figure 1 As shown, the method includes:
[0022] Step 100, acquiring channel transmission quality according to a preset time period;
[0023] In the prior art, when the transmission bandwidth resources are tight, the sending end device will discard the data frames in the video stream. If the discarded data frames are a large number of key frames, it will greatly affect the understanding of the received video content. Therefore, This embodiment proposes a video transmission processing method to solve the above problems.
[0024] A video transmission processing device is set in the sending end device, and the device first acquires channel transmission quality according to a preset time period. It should be noted that there are many methods for obtaining channel transmission quality according to actual application scenarios. Examples are as follows:...
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The present invention provides a video transmission processing method, device, and system, wherein the method includes: acquiring channel transmission quality according to a preset time period; if it is determined that the channel transmission quality meets the preset frame detection start threshold, treat Scene transition detection is performed on the transmitted original video stream, and the original video stream is divided into multiple shot units; at least one key frame in each shot unit is obtained, and the key frame is sent to the receiving end device, and non-key frames are discarded frame. When the transmission bandwidth resources are tight, only the key frames representing the video content are transmitted, and the non-key frames are discarded, so as to flexibly adapt to the application requirements of the dynamic changes of the wireless network.
Description
technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a video transmission processing method, device, and system. Background technique [0002] With the rapid development of communication networks, the network application of video streaming interaction is becoming more and more common. Due to the large amount of data and transmission bandwidth occupied by video transmission, the stability of network transmission quality is to ensure the effectiveness and reliability of video transmission. prerequisites. [0003] However, in real life, there are many factors that will affect the stability of network transmission quality, such as weather and other external factors that cause short-term fluctuations in transmission bandwidth, or temporary user capacity peaks in some places, causing network transmission Congestion occurs, and these situations will cause packet loss during video transmission. Based o...
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IPC IPC(8): H04N21/647
Inventor 田新雪袁晓静
Owner CHINA UNITED NETWORK COMM GRP CO LTD