min/max Quant und Quant Delta in x264
Code
--pass 2 --bitrate 700 --stats ".stats" --ref 3 --mixed-refs --no-fast-pskip --bframes 5 --b-pyramid --b-rdo --bime --weightb --direct auto --subme 7 --trellis 1 --analyse all --8x8dct --vbv-maxrate 25000 --b-bias 30 --threads auto --thread-input --progress
mit 10_51_4:
1st Pass:
Code
avis [info]: 640x352 @ 25.00 fps (14101 frames)x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 3DNow! x264 [warning]: VBV maxrate specified, but no bufsize.x264 [info]: slice I:112 Avg QP:31.69 size: 16815 PSNR Mean Y:35.23 U:39.55 V:39.34 Avg:36.21 Global:35.59x264 [info]: slice P:5753 Avg QP:33.84 size: 5820 PSNR Mean Y:32.41 U:37.15 V:36.62 Avg:33.44 Global:32.86x264 [info]: slice B:8236 Avg QP:34.86 size: 1703 PSNR Mean Y:32.40 U:37.46 V:36.84 Avg:33.47 Global:32.84x264 [info]: mb I I16..4: 37.7% 0.0% 62.3%x264 [info]: mb P I16..4: 13.6% 0.0% 0.0% P16..4: 58.0% 0.0% 0.0% 0.0% 0.0% skip:28.4%x264 [info]: mb B I16..4: 0.8% 0.0% 0.0% B16..8: 21.2% 0.0% 0.0% direct:11.9% skip:66.1%x264 [info]: final ratefactor: 30.78x264 [info]: direct mvs spatial:88.2% temporal:11.8%x264 [info]: SSIM Mean Y:0.8990458x264 [info]: PSNR Mean Y:32.430 U:37.346 V:36.768 Avg:33.477 Global:32.865 kb/s:700.63
2nd Pass:
Code
avis [info]: 640x352 @ 25.00 fps (14101 frames)x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 3DNow! x264 [warning]: VBV maxrate specified, but no bufsize.mp4 [info]: initial delay 2 (scale 25)x264 [info]: slice I:112 Avg QP:29.71 size: 18941 PSNR Mean Y:37.10 U:40.42 V:40.26 Avg:37.91 Global:37.28x264 [info]: slice P:5753 Avg QP:32.76 size: 5764 PSNR Mean Y:34.23 U:37.81 V:37.34 Avg:35.06 Global:34.55x264 [info]: slice B:8236 Avg QP:33.53 size: 1711 PSNR Mean Y:34.17 U:38.07 V:37.48 Avg:35.05 Global:34.48x264 [info]: mb I I16..4: 22.0% 58.7% 19.3%x264 [info]: mb P I16..4: 5.0% 8.5% 2.0% P16..4: 42.5% 15.0% 5.2% 0.5% 0.2% skip:21.1%x264 [info]: mb B I16..4: 0.2% 0.6% 0.2% B16..8: 30.9% 1.8% 3.7% direct: 1.3% skip:61.4%x264 [info]: 8x8 transform intra:55.5% inter:63.9%x264 [info]: direct mvs spatial:75.7% temporal:24.3%x264 [info]: ref P 76.1% 14.5% 9.4%x264 [info]: ref B 83.3% 11.1% 5.6%x264 [info]: SSIM Mean Y:0.9269694x264 [info]: PSNR Mean Y:34.214 U:37.981 V:37.447 Avg:35.076 Global:34.524 kb/s:700.27
mit 1_51_16:
1st Pass:
Code
avis [info]: 640x352 @ 25.00 fps (14101 frames)x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 3DNow! x264 [warning]: VBV maxrate specified, but no bufsize.x264 [info]: slice I:112 Avg QP:31.69 size: 16815 PSNR Mean Y:35.23 U:39.55 V:39.34 Avg:36.21 Global:35.59x264 [info]: slice P:5753 Avg QP:33.84 size: 5820 PSNR Mean Y:32.41 U:37.15 V:36.62 Avg:33.44 Global:32.86x264 [info]: slice B:8236 Avg QP:34.86 size: 1703 PSNR Mean Y:32.40 U:37.46 V:36.84 Avg:33.47 Global:32.84x264 [info]: mb I I16..4: 37.7% 0.0% 62.3%x264 [info]: mb P I16..4: 13.6% 0.0% 0.0% P16..4: 58.0% 0.0% 0.0% 0.0% 0.0% skip:28.4%x264 [info]: mb B I16..4: 0.8% 0.0% 0.0% B16..8: 21.2% 0.0% 0.0% direct:11.9% skip:66.1%x264 [info]: final ratefactor: 30.78x264 [info]: direct mvs spatial:88.2% temporal:11.8%x264 [info]: SSIM Mean Y:0.8990500x264 [info]: PSNR Mean Y:32.430 U:37.345 V:36.768 Avg:33.477 Global:32.866 kb/s:700.63
2nd Pass:
Code
x264 [info]: using cpu capabilities MMX MMXEXT SSE SSE2 3DNow!
x264 [warning]: VBV maxrate specified, but no bufsize.
mp4 [info]: initial delay 2 (scale 25)
x264 [info]: slice I:112 Avg QP:29.85 size: 18660 PSNR Mean Y:37.00 U:40.35 V:40.20 Avg:37.82 Global:37.20
x264 [info]: slice P:5753 Avg QP:32.76 size: 5777 PSNR Mean Y:34.23 U:37.81 V:37.34 Avg:35.06 Global:34.58
x264 [info]: slice B:8236 Avg QP:33.58 size: 1705 PSNR Mean Y:34.14 U:38.05 V:37.46 Avg:35.02 Global:34.47
x264 [info]: mb I I16..4: 22.3% 58.6% 19.0%
x264 [info]: mb P I16..4: 5.0% 8.5% 2.0% P16..4: 42.5% 15.0% 5.2% 0.5% 0.2% skip:21.1%
x264 [info]: mb B I16..4: 0.2% 0.6% 0.2% B16..8: 30.8% 1.8% 3.7% direct: 1.2% skip:61.5%
x264 [info]: 8x8 transform intra:55.4% inter:63.9%
x264 [info]: direct mvs spatial:75.6% temporal:24.4%
x264 [info]: ref P 76.1% 14.5% 9.4%
x264 [info]: ref B 83.3% 11.0% 5.6%
x264 [info]: SSIM Mean Y:0.9270078
x264 [info]: PSNR Mean Y:34.200 U:37.968 V:37.434 Avg:35.062 Global:34.531 kb/s:700.26
Alles anzeigen
nochmal zum direkten Vergleich:
10_51_4 (2nd pass):
x264 [info]: SSIM Mean Y:0.9269694
x264 [info]: PSNR Mean Y:34.214 U:37.981 V:37.447 Avg:35.076 Global:34.524 kb/s:700.27
1_5_16 (2nd pass):
x264 [info]: SSIM Mean Y:0.9270078
x264 [info]: PSNR Mean Y:34.200 U:37.968 V:37.434 Avg:35.062 Global:34.531 kb/s:700.26
-> tut sich nicht viel
Cu Selur
Ps.: Hab mal das von mir verwendete Profil angehängt, man muß die min/max Quant und Quant Delta in x264
immer per Hand anpassen.