[2-pass] Inaccurate average bitrate

[Atak_Snajpera]

x264 r1649 (64bit) from x264.nl

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C:\>"C:\Users\Dawid\Documents\Delphi_Projects\RipBot264\tools\avs2yuv\pipebuf.exe" "C:\Users\Dawid\Documents\Delphi_Projects\RipBot264\tools\avs2yuv\avs2yuv.exe" "C:\temp\RipBot264temp\job1\job1.avs" - : "C:\Users\Dawid\Documents\Delphi_Projects\RipBot264\tools\x264\x264_x64.exe" --pass 1 --bitrate 2966 --stats "C:\temp\RipBot264temp\job1\job1.stats" --fps 24000/1001 --force-cfr  --min-keyint 24 --keyint 240 --frames 232606 --sar 1:1 --level 4.0 --aud --nal-hrd vbr --vbv-bufsize 25000 --vbv-maxrate 25000 --filter 0,0 --ref 3  --bframes 3 --b-adapt 1   --b-pyramid none --subme 7 --aq-mode 1 --trellis 1 --partitions all --me umh --stdin y4m --output "C:\temp\RipBot264temp\video.264" - : 2 
y4m [info]: 1280x720p 1:1 @ 10000000/417083 fps (cfr)
x264 [info]: using SAR=1/1
x264 [warning]: VBV bitrate (25000) > level limit (20000)
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
x264 [info]: profile Main, level 4.0
C:\temp\RipBot264temp\job1\job1.avs: 1280x720, 10000000/417083 fps, 232606 frames                                                                          
x264 [info]: frame I:2585  Avg QP:21.94  size: 77743
x264 [info]: frame P:127011 Avg QP:25.21  size: 22405
x264 [info]: frame B:103010 Avg QP:27.13  size:  5309
x264 [info]: consecutive B-frames: 23.2% 46.3% 14.5% 15.9%
x264 [info]: mb I  I16..4: 33.5%  0.0% 66.5%
x264 [info]: mb P  I16..4: 21.5%  0.0%  0.0%  P16..4: 57.7%  0.0%  0.0%  0.0%  0.0%    skip:20.8%
x264 [info]: mb B  I16..4:  1.8%  0.0%  0.0%  B16..8: 24.4%  0.0%  0.0%  direct: 6.7%  skip:67.1%  L0:28.1% L1:49.6% BI:22.4%
x264 [info]: final ratefactor: 22.92
x264 [info]: coded y,uvDC,uvAC intra: 41.4% 46.3% 15.8% inter: 19.1% 13.6% 1.6%
x264 [info]: i16 v,h,dc,p: 31% 22% 24% 23%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 20% 18%  4% 10%  6%  7%  6%  8%
x264 [info]: i8c dc,h,v,p: 57% 18% 19%  6%
x264 [info]: Weighted P-Frames: Y:3.2%
x264 [info]: kb/s:2963.25

encoded 232606 frames, 15.37 fps, 2963.25 kb/s

C:\>"C:\Users\Dawid\Documents\Delphi_Projects\RipBot264\tools\avs2yuv\pipebuf.exe" "C:\Users\Dawid\Documents\Delphi_Projects\RipBot264\tools\avs2yuv\avs2yuv.exe" "C:\temp\RipBot264temp\job1\job1.avs" - : "C:\Users\Dawid\Documents\Delphi_Projects\RipBot264\tools\x264\x264_x64.exe" --pass 2 --bitrate 2966 --stats "C:\temp\RipBot264temp\job1\job1.stats" --fps 24000/1001 --force-cfr  --min-keyint 24 --keyint 240 --frames 232606 --sar 1:1 --level 4.0 --aud --nal-hrd vbr --vbv-bufsize 25000 --vbv-maxrate 25000 --filter 0,0 --ref 3  --bframes 3 --b-adapt 1   --b-pyramid none --subme 7 --aq-mode 1 --trellis 1 --partitions all --me umh --stdin y4m --output "C:\temp\RipBot264temp\video.264" - : 2 
y4m [info]: 1280x720p 1:1 @ 10000000/417083 fps (cfr)
x264 [info]: using SAR=1/1
x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
x264 [info]: profile High, level 4.0
C:\temp\RipBot264temp\job1\job1.avs: 1280x720, 10000000/417083 fps, 232606 frames                                                                            
x264 [info]: frame I:2585  Avg QP:24.86  size: 58349
x264 [info]: frame P:127011 Avg QP:26.49  size: 22757
x264 [info]: frame B:103010 Avg QP:28.91  size:  5485
x264 [info]: consecutive B-frames: 23.2% 46.3% 14.5% 15.9%
x264 [info]: mb I  I16..4: 14.4% 68.0% 17.6%
x264 [info]: mb P  I16..4:  2.4%  9.5%  2.0%  P16..4: 42.2% 11.8%  2.7%  0.4%  0.3%    skip:28.7%
x264 [info]: mb B  I16..4:  0.3%  1.0%  0.1%  B16..8: 40.3%  5.0%  1.0%  direct: 1.6%  skip:50.6%  L0:37.2% L1:57.8% BI: 5.1%
x264 [info]: 8x8 transform intra:68.5% inter:74.9%
x264 [info]: coded y,uvDC,uvAC intra: 62.4% 65.1% 32.2% inter: 18.3% 15.8% 2.3%
x264 [info]: i16 v,h,dc,p: 32% 19%  8% 41%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 14% 15%  7% 10% 10% 10%  9%  9%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 18% 16% 13%  7% 12% 10% 11%  7%  7%
x264 [info]: i8c dc,h,v,p: 57% 17% 18%  8%
x264 [info]: Weighted P-Frames: Y:3.7%
x264 [info]: ref P L0: 62.4% 22.4% 10.5%  4.4%  0.3%
x264 [info]: ref B L0: 93.1%  6.9%
x264 [info]: kb/s:2973.73

encoded 232606 frames, 11.83 fps, 2973.73 kb/s