x264について質問です。
x264について質問です。
エンコード終了後にログがでるQP数値とSSIM・PSNR数値はどのくらいの数値が出れば
充分な画質を得られるんですか？
あと、知っていれば他のログの見方なども教えて下さい。
ご回答よろしくお願いします。
↓はアニメソースで動きの激しい1分間の映像をエンコードしたログです。
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x264 [info]: frame I:13 Avg QP:15.30 size: 44665 PSNR Mean Y:51.31 U:52.23
V:52.32 Avg:51.59 Global:51.43
x264 [info]: frame P:608 Avg QP:18.85 size: 19324 PSNR Mean Y:48.98 U:51.27
V:51.09 Avg:49.56 Global:49.07
x264 [info]: frame B:840 Avg QP:21.36 size: 3469 PSNR Mean Y:48.45 U:50.99
V:50.81 Avg:49.09 Global:48.63
x264 [info]: consecutive B-frames: 7.3% 38.4% 23.4% 30.9%
x264 [info]: mb I I16..4: 49.5% 21.8% 28.7%
x264 [info]: mb P I16..4: 15.4% 13.0% 5.7% P16..4: 30.7% 8.8% 5.6% 0.0% 0.0% skip:20.9%
x264 [info]: mb B I16..4: 0.7% 0.5% 0.3% B16..8: 26.5% 3.0% 0.5% direct: 1.0% skip:67.5% L0:42.5% L1:55.7% BI: 1.8%
x264 [info]: 8x8 transform intra:37.1% inter:47.0%
x264 [info]: direct mvs spatial:99.3% temporal:0.7%
x264 [info]: coded y,uvDC,uvAC intra: 27.7% 54.5% 26.4% inter: 8.1% 17.3% 5.7%
x264 [info]: i16 v,h,dc,p: 73% 17% 5% 5%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 14% 13% 46% 6% 3% 4% 4% 6% 4%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 15% 28% 7% 7% 6% 6% 7% 4%
x264 [info]: i8c dc,h,v,p: 58% 19% 18% 5%
x264 [info]: Weighted P-Frames: Y:0.0%
x264 [info]: ref P L0: 48.5% 4.3% 21.7% 15.8% 9.7%
x264 [info]: ref B L0: 81.5% 14.6% 3.9%
x264 [info]: ref B L1: 96.1% 3.9%
x264 [info]: SSIM Mean Y:0.9937406 (22.035db)
x264 [info]: PSNR Mean Y:48.695 U:51.121 V:50.937 Avg:49.310 Global:48.830 kb/s:2001.26
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