Bit rate control method
A technology for rate control and encoding macroblocks, which is used in television, electrical components, and digital video signal modification. low-complexity effects
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[0067] The present invention provides a code rate control method, which comprises the following steps:
[0068] Step 1.1, according to the channel target code rate R and frame rate F, calculate the bit B of each image group gop :
[0069] B gop = B ful ln ess + S gop × ( R F ) - - - ( 1 )
[0070] In the above formula B fullness is the number of bits remaining in the cache, S gop Be the number of image frames in each image group GOP;
[0071] Step 1.2, the number of bits B remaining in the cache fullness Initialized to 0.
[0072] Step 2. According to the image type of the current frame, it can be an I image (intra-frame image), a P im...
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