是这样
有2个片源 都是属于高质量DVDRIP的 都未做RESIZE 都是CRF25过1st pass
偶也预计到前者静态为主(分辨率720X400) 后者动态为主(640X356) 于是指定2P时候前者指定500K 后者指定600K
然后1P出来的结果相差十万八千里 而偶是自动2P的
结果导致一个码率偏大 一个偏小……这样是不是会造成码率控制的混乱? 难道要放弃自动2P?
另外 1st pass 需要--no-fast-pskip 这个参数么,-analyse none -subme 1 可以么?
x264 [info]: slice I:102 Avg QP:19.66 size: 16533
x264 [info]: slice P:7924 Avg QP:21.28 size: 2728
x264 [info]: slice B:8635 Avg QP:24.55 size: 705
x264 [info]: kb/s:352.8
--------------------------------------------------------------
x264 [info]: slice I:373 Avg QP:23.92 size: 11692
x264 [info]: slice P:5038 Avg QP:26.85 size: 5265
x264 [info]: slice B:1522 Avg QP:28.77 size: 1706
x264 [info]: kb/s:965.8
x264 [warning]: Error: 2pass curve failed to converge
x264 [warning]: target: 600.00 kbit/s, expected: 615.33 kbit/s, avg QP: 32.0000
x264 [warning]: try increasing target bitrate or increasing qp_max (currently 32)
x264 [info]: slice I:373 Avg QP:31.66 size: 5703
x264 [info]: slice P:5038 Avg QP:31.54 size: 3476
x264 [info]: slice B:1522 Avg QP:33.18 size: 1104
x264 [info]: kb/s:615.0