嘛,拖了个ripbot+ 1个1080p vc-1 mkv 片段, 弄了几个data。
mediainfo查看的参数
cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy_rd=1.0:0.0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=-2 / nr=0 / decimate=1 / mbaff=0 / bframes=3 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=crf / crf=21.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / vbv_maxrate=25000 / vbv_bufsize=25000 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00
CQ= 21, thread = 12时:
264 [info]: slice I:7 Avg QP:15.21 size:155667
x264 [info]: slice P:427 Avg QP:17.87 size: 69838
x264 [info]: slice B:308 Avg QP:20.21 size: 26461
x264 [info]: consecutive B-frames: 30.5% 38.9% 6.1% 24.5%
x264 [info]: mb I I16..4: 5.2% 90.1% 4.7%
x264 [info]: mb P I16..4: 1.8% 16.2% 0.8% P16..4: 48.8% 19.0% 9.4% 0.2% 0.2%skip: 3.5%
x264 [info]: mb B I16..4: 0.3% 1.8% 0.1% B16..8: 46.8% 2.0% 2.9% direct: 8.3% skip:37.8% L0:42.9% L1:45.1% BI:12.0%
x264 [info]: 8x8 transform intra:86.1% inter:71.1%
x264 [info]: direct mvs spatial:97.1% temporal:2.9%
x264 [info]: ref P L0 57.2% 23.5% 19.3%
x264 [info]: ref B L0 75.6% 24.4%
x264 [info]: kb/s:10097.1
CQ 21, thread = 1时
x264 [info]: slice I:8 Avg QP:15.30 size:165971
x264 [info]: slice P:426 Avg QP:17.86 size: 69560
x264 [info]: slice B:308 Avg QP:20.21 size: 26384
x264 [info]: consecutive B-frames: 30.4% 39.0% 6.1% 24.5%
x264 [info]: mb I I16..4: 3.7% 92.0% 4.3%
x264 [info]: mb P I16..4: 1.8% 15.8% 0.8% P16..4: 49.1% 19.1% 9.4% 0.2% 0.2%skip: 3.6%
x264 [info]: mb B I16..4: 0.3% 1.8% 0.1% B16..8: 46.0% 1.9% 2.9% direct: 8.4% skip:38.6% L0:42.3% L1:45.7% BI:12.0%
x264 [info]: 8x8 transform intra:86.1% inter:71.0%
x264 [info]: direct mvs spatial:99.7% temporal:0.3%
x264 [info]: ref P L0 57.1% 23.5% 19.4%
x264 [info]: ref B L0 75.2% 24.8%
x264 [info]: kb/s:10103.9
---------------------------------------------------------
cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy_rd=1.0:0.0 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=-2 / nr=0 / decimate=1 / mbaff=0 / bframes=3 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=1024 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=25000 / vbv_bufsize=25000 / ip_ratio=1.40 / pb_ratio=1.30 / aq=1:1.00
2-pass
threads=12 时
x264 [info]: slice I:7 Avg QP:29.13 size: 24608
x264 [info]: slice P:433 Avg QP:31.79 size: 8424
x264 [info]: slice B:302 Avg QP:32.88 size: 1684
x264 [info]: consecutive B-frames: 32.2% 36.7% 6.5% 24.5%
x264 [info]: mb I I16..4: 23.8% 75.5% 0.7%
x264 [info]: mb P I16..4: 17.9% 0.0% 0.0% P16..4: 21.5% 0.0% 0.0% 0.0% 0.0%skip:60.6%
x264 [info]: mb B I16..4: 0.4% 0.0% 0.0% B16..8: 4.5% 0.0% 0.0% direct: 2.0% skip:93.1% L0:53.1% L1:42.3% BI: 4.6%
x264 [info]: final ratefactor: 34.14
x264 [info]: 8x8 transform intra:6.2% inter:69.2%
x264 [info]: direct mvs spatial:95.0% temporal:5.0%
x264 [info]: ref P L0 63.5% 19.3% 17.2%
x264 [info]: ref B L0 69.2% 30.8%
x264 [info]: kb/s:1118.8
x264 [info]: slice I:7 Avg QP:28.96 size: 24618
x264 [info]: slice P:433 Avg QP:33.37 size: 6980
x264 [info]: slice B:302 Avg QP:33.95 size: 2671
x264 [info]: consecutive B-frames: 32.2% 36.7% 6.5% 24.5%
x264 [info]: mb I I16..4: 48.4% 47.7% 3.8%
x264 [info]: mb P I16..4: 4.4% 3.7% 0.0% P16..4: 24.9% 1.5% 0.9% 0.0% 0.0%skip:64.5%
x264 [info]: mb B I16..4: 0.0% 0.1% 0.0% B16..8: 26.1% 0.1% 0.1% direct: 0.2% skip:73.5% L0:42.0% L1:57.7% BI: 0.3%
x264 [info]: 8x8 transform intra:46.0% inter:95.1%
x264 [info]: direct mvs spatial:88.1% temporal:11.9%
x264 [info]: ref P L0 60.3% 20.9% 18.9%
x264 [info]: ref B L0 72.9% 27.1%
x264 [info]: kb/s:1034.4
2-pass
threads=1 时
x264 [info]: slice I:5 Avg QP:28.98 size: 28514
x264 [info]: slice P:435 Avg QP:31.78 size: 8324
x264 [info]: slice B:302 Avg QP:32.31 size: 1726
x264 [info]: consecutive B-frames: 32.4% 36.6% 6.5% 24.4%
x264 [info]: mb I I16..4: 22.5% 75.6% 1.9%
x264 [info]: mb P I16..4: 17.9% 0.0% 0.0% P16..4: 21.6% 0.0% 0.0% 0.0% 0.0%skip:60.5%
x264 [info]: mb B I16..4: 0.4% 0.0% 0.0% B16..8: 4.6% 0.0% 0.0% direct: 2.1% skip:93.0% L0:52.6% L1:42.6% BI: 4.7%
x264 [info]: final ratefactor: 34.16
x264 [info]: 8x8 transform intra:4.5% inter:68.6%
x264 [info]: direct mvs spatial:96.4% temporal:3.6%
x264 [info]: ref P L0 63.3% 19.5% 17.3%
x264 [info]: ref B L0 70.2% 29.8%
x264 [info]: kb/s:1107.6
x264 [info]: slice I:5 Avg QP:29.34 size: 24512
x264 [info]: slice P:435 Avg QP:33.36 size: 7030
x264 [info]: slice B:302 Avg QP:34.02 size: 2698
x264 [info]: consecutive B-frames: 32.4% 36.6% 6.5% 24.4%
x264 [info]: mb I I16..4: 45.0% 51.0% 4.0%
x264 [info]: mb P I16..4: 4.3% 3.6% 0.0% P16..4: 25.0% 1.5% 1.0% 0.0% 0.0%skip:64.4%
x264 [info]: mb B I16..4: 0.0% 0.1% 0.0% B16..8: 26.4% 0.1% 0.1% direct: 0.2% skip:73.2% L0:40.9% L1:58.8% BI: 0.3%
x264 [info]: 8x8 transform intra:46.3% inter:95.0%
x264 [info]: direct mvs spatial:87.7% temporal:12.3%
x264 [info]: ref P L0 60.1% 20.8% 19.2%
x264 [info]: ref B L0 73.0% 27.0%
x264 [info]: kb/s:1032.7