VVC transcoding system and method based on multiple video coding standards
A coding standard and multi-video technology, applied in the field of video coding, can solve the problems of increasing coding complexity and high proportion of complexity, and achieve the effects of reducing coding complexity, improving accuracy, and improving transcoding efficiency
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no. 1 example
[0036] refer to figure 2 , providing a VVC transcoding system based on multiple video coding standards, including:
[0037] The decoder module is used to decode the input code stream to obtain the decoded reconstructed video and the first depth division information in the decoding process;
[0038] The first encoder module is used to encode the reconstructed video to obtain the second depth division information in the encoding process, wherein the encoding standard of the first encoder module is different from the encoding standard of the decoder module and the VVC encoding standard;
[0039] The VVC encoder module is used to perform VVC encoding on the reconstructed video, and according to the encoding information of the current CU block, the first division depth corresponding to the current CU block position in the first depth division information, and the second depth division information and The second division depth corresponding to the position of the current CU block ...
no. 2 example
[0045] refer to image 3 , providing a VVC transcoding method based on multiple video coding standards, comprising the following steps:
[0046] S100. Decode the input code stream to obtain the decoded reconstructed video and the first depth division information in the decoding process;
[0047] S200. Encode the reconstructed video to obtain second depth division information in the encoding process, wherein the encoding standard is different from the standard when decoding the input code stream and the VVC encoding standard;
[0048] S300. Perform VVC encoding on the reconstructed video, and according to the encoding information of the current CU block, the first division depth corresponding to the current CU block position in the first depth division information, and the current CU block position corresponding to the second depth division information The second division depth of the current CU block is predicted to be the optimal division mode of the current CU block, wherei...
no. 3 example
[0052] refer to Figure 4 and Figure 5 , provides a specific implementation process of a VVC transcoding method based on multiple video coding standards, as follows:
[0053] A1, input the code stream into the H.264 / AVC decoder for decoding, obtain the reconstructed video, and obtain the depth division information of the CU block in the decoding process (hereinafter referred to as the AVC depth division information);
[0054] A2. Input the reconstructed video obtained in step A1 into the HEVC / H.265 encoder to obtain the depth division information of the CU block (hereinafter referred to as the HEVC depth division information);
[0055] A3. Input the reconstructed video, AVC depth division information, and HEVC depth division information into the VVC encoder, and the VVC encoder starts to encode the reconstructed video, and during the encoding process, according to the AVC depth division information, HEVC depth division information and The encoding information of the current...
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