Int num_entries /* number of ratecontrol_entry_ts */
Int64_t filler_bits_sum /* sum in bits of finished frames' filler data */ĭouble wanted_bits_window /* target bitrate * window */
*/ĭouble last_rceq //last rc estimated qscaleĭouble cplxr_sum /* sum of bits*qscale/rceq */ĭouble expected_bits_sum /* sum of qscale2bits after rceq, ratefactor, and overflow, only includes finished frames */ Predictor_t *pred /* predict frame size from satd */įloat rate_factor_max_increment /* Don't allow RF above (CRF + this value). Int64_t buffer_fill_final /* 上一个完成的帧实际使用的缓冲区大小 */ĭouble buffer_fill /* planned buffer, if all in-progress frames hit their bit budget */ĭouble buffer_rate /* # of bits added to buffer_fill after each frame */ĭouble vbv_max_rate /* # of bits added to buffer_fill per second */ Int qpa_aq /* average of macroblocks' qp after aq */įloat qp_novbv /* QP for the current frame if 1-pass VBV was disabled. Int nmb /* number of macroblocks in a frame */įloat qpm /* qp for current macroblock: precise float for AQ */įloat qpa_rc /* average of macroblocks' qp before aq */ Param->rc.i_qp_constant = 23 + QP_BD_OFFSET
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