Quote:
Originally Posted by impei
How is it different than x264 two pass?
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Copy paste from afterdawn and Nvidia documentation
x265/x264 multi-pass
The video encoder analyzes the video many times from the beginning to the end before the actual encoding process.
Nvenc
In 2-pass rate control modes, NVENC estimates the complexity of the frame to be encoded and determines bit distribution across the frame in the first pass. In the second pass, NVENC actually encodes macroblocks in the frame using the distribution determined in the first pass.