Video coding parameter setting method, device and video coding device for live video
A technology of video encoding and live video, which is applied in the field of live video, can solve problems such as unsuitable upload bandwidth, failure to achieve high-definition resolution, and the maximum resolution of live video is not at the ideal value, so as to achieve smooth live video and reduce the maximum The effect of the possibility that the resolution is not at the desired value
Active Publication Date: 2015-12-16
TENCENT TECH (SHENZHEN) CO LTD
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Problems solved by technology
[0005] The inventor of the present invention found in the research process that the upload bandwidth of the video encoding device determines the transmission rate of the live video uploaded by the video encoding device. Therefore, when encoding a live video, the ideal resolution of the live video should be equal to the upload bandwidth of the video encoding device. Correspondence; the existing method of artificially setting video encoding parameters may cause the resolution of the live video to not correspond to the upload bandwidth of the video encoding device when encoding the live video, and the maximum resolution of the live video watched by the user may not be at the ideal value possibility;
[0006] For example, the current upload bandwidth of the video encoding device allows live video to be encoded in high-definition resolution, but at this time, artificially selecting the resolution of standard definition to encode the live video will cause the maximum resolution of the live video that users can watch to be only standard definition. Can't reach ideal HD resolution
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[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0043] figure 1 For a schematic diagram of the network architecture for live video, refer to figure 1 , the network architecture may include: a video encoding device 01, a live server 02, and a video decoding device 03;
[0044] During the live video broadcast, the video encoding device 01 collects the live video, encodes the collected live video, and transmits the encoded live video to the live server 02;
[0045] The live server 02 processes the received l...
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The embodiment of the invention provides a video coding parameter setting method, a device and a video coding device for a live video, wherein the method comprises the steps of: determining an uploading bandwidth from the video coding device to a live server, and determining a corresponding MOS value of the live video; according to the MOS value, determining the resolution corresponding to the uploading bandwidth; and setting video coding parameters according to the resolution and a code rate corresponding to the uploading bandwidth. According to the invention, the video coding parameters corresponding to the uploading bandwidth are set, so that a user is enabled to see the live video highest in resolution, and the possibility that the highest resolution of the live video is not in an ideal value of the live video watched by the user.
Description
technical field [0001] The present invention relates to the technical field of live video broadcasting, in particular to a video coding parameter setting method and device for live video, and video coding equipment. Background technique [0002] Live video broadcasting means that users can watch live audio and video live events at the remote end through the network, such as events, conferences, teaching, surgery, etc. Live video broadcasting, the video content watched by users is called live video. [0003] Video live broadcast involves video encoding equipment for collecting, encoding and uploading live video. The video encoding parameters (such as resolution, bit rate, etc.) adopted by video encoding equipment determine the maximum resolution of live video (that is, the maximum resolution that users can watch The maximum resolution of the live video), so how to set the video encoding parameters of the live video is particularly important. [0004] At present, the video en...
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IPC IPC(8): H04N21/2343H04N21/2662H04N21/239
CPCH04N21/2343H04N21/239H04N21/2662
Inventor 赖晶张志东贺艳春梁鉴东
Owner TENCENT TECH (SHENZHEN) CO LTD
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