Dark Shikari说的:
CRF and 2-pass use identical bit allocation algorithms. All 2-pass does is pick the CRF value that gives the filesize you want. It's still using the CRF algorithm.
哪些片源更适合于2PASS,哪些适合于CRF 2pass看来要靠经验来判断合适的比特率 还是直接crf简单点
假设2PASS和CRF压出来的片子码率一样,质量是否相同 应该相同吧