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2nd September 2010, 22:37 | #1 | Link |
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Strange values on log files.
Encoding parameters :
Code:
REM Set of max bitrate (ici le bitrate max) set MAX_BR=40000 REM Set of Buffer (ici le buffer) set BUF_BR=30000 REM 1ère passe x264_x64.exe --profile "high" --preset "placebo" --tune %TUNING% --pass 1 --bitrate %2 --stats %STAT_FILE% --level "4.1" --qpmin 0 --vbv-maxrate %MAX_BR% --vbv-bufsize %BUF_BR% --keyint 24 --min-keyint 2 --mvrange 511 --ref 4 --bframe 3 --slices 4 --b-pyramid "strict" --open-gop "bluray" --fade-compensate 0.7 --subme 9 --trellis 1 --me "umh" --aq-mode 2 --aud --nal-hrd "vbr" --colorprim "bt709" --transfer "bt709" --colormatrix "bt709" --videoformat "ntsc" --sar 1:1 --qpfile %CHAPTERS% --threads 0 --thread-input --output NUL %E_SRC% 2> %LOG_FILE_1% REM 2ème passe x264_x64.exe --profile "high" --preset "placebo" --tune %TUNING% --pass 2 --bitrate %2 --stats %STAT_FILE% --level "4.1" --qpmin 0 --vbv-maxrate %MAX_BR% --vbv-bufsize %BUF_BR% --keyint 24 --min-keyint 2 --mvrange 511 --ref 4 --bframe 3 --slices 4 --b-pyramid "strict" --open-gop "bluray" --fade-compensate 0.7 --aq-mode 2 --aud --nal-hrd "vbr" --colorprim "bt709" --transfer "bt709" --colormatrix "bt709" --videoformat "ntsc" --sar 1:1 --qpfile %CHAPTERS% --threads 0 --thread-input --output %E_DST% %E_SRC% 2> %LOG_FILE_2% Code:
avs [info]: 1920x1080p 1:1 @ 24000/1001 fps (cfr) x264 [info]: using SAR=1/1 x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 x264 [info]: profile High, level 4.1 x264 [info]: frame I:12956 Avg QP: 1.52 size:538653 x264 [info]: frame P:79103 Avg QP: 3.88 size:369120 x264 [info]: frame B:171635 Avg QP:12.07 size: 32754 x264 [info]: consecutive B-frames: 4.9% 11.6% 16.2% 67.3% x264 [info]: mb I I16..4: 47.1% 18.8% 34.1% x264 [info]: mb P I16..4: 14.1% 21.7% 11.5% P16..4: 14.1% 7.4% 4.6% 0.3% 1.2% skip:25.1% x264 [info]: mb B I16..4: 0.7% 1.3% 0.3% B16..8: 26.6% 7.7% 3.2% direct: 5.5% skip:54.7% L0:42.6% L1:42.8% BI:14.6% x264 [info]: 8x8 transform intra:40.2% inter:55.9% x264 [info]: direct mvs spatial:100.0% temporal:0.0% x264 [info]: coded y,uvDC,uvAC intra: 89.4% 70.4% 69.1% inter: -16.5% -14.2% -9.6% x264 [info]: i16 v,h,dc,p: 28% 9% 47% 15% x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 15% 28% 6% 6% 7% 6% 7% 8% x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 12% 14% 9% 10% 10% 9% 9% 11% x264 [info]: i8c dc,h,v,p: 65% 15% 14% 6% x264 [info]: Weighted P-Frames: Y:4.0% x264 [info]: ref P L0: 76.0% 8.7% 13.1% 2.1% 0.1% x264 [info]: ref B L0: 93.8% 6.2% x264 [info]: ref B L1: 95.0% 5.0% x264 [info]: kb/s:30404.16 encoded 263694 frames, 16.26 fps, 30404.16 kb/s Code:
avs [info]: 1920x1080p 1:1 @ 24000/1001 fps (cfr) x264 [info]: using SAR=1/1 x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 x264 [info]: profile High, level 4.1 x264 [info]: frame I:12956 Avg QP: 1.09 size:535719 x264 [info]: frame P:79103 Avg QP: 2.61 size:411363 x264 [info]: frame B:171635 Avg QP:13.50 size: 28142 x264 [info]: consecutive B-frames: 4.9% 11.6% 16.2% 67.3% x264 [info]: mb I I16..4: 50.4% 5.4% 44.2% x264 [info]: mb P I16..4: 13.2% 8.5% 17.6% P16..4: 19.2% 10.9% 4.6% 0.3% 0.9% skip:24.9% x264 [info]: mb B I16..4: 0.4% 0.7% 0.2% B16..8: 28.2% 7.8% 3.0% direct: 6.0% skip:53.6% L0:43.2% L1:43.8% BI:13.1% x264 [info]: 8x8 transform intra:18.6% inter:17.2% x264 [info]: direct mvs spatial:99.6% temporal:0.4% x264 [info]: coded y,uvDC,uvAC intra: 88.2% 71.0% 69.8% inter: -15.3% -14.1% -11.2% x264 [info]: i16 v,h,dc,p: 27% 8% 51% 14% x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 15% 30% 6% 6% 6% 6% 7% 8% x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17% 13% 19% 8% 9% 9% 8% 9% 10% x264 [info]: i8c dc,h,v,p: 65% 15% 14% 6% x264 [info]: Weighted P-Frames: Y:4.2% x264 [info]: ref P L0: 80.0% 11.9% 7.0% 1.1% 0.0% x264 [info]: ref B L0: 94.3% 5.7% x264 [info]: ref B L1: 95.2% 4.8% x264 [info]: kb/s:32231.34 encoded 263694 frames, 3.59 fps, 32231.34 kb/s - It's the first time i see so much QP differences between I, P and B. Usualy, they are closer. - Are negatives values normal for inter % ? |
2nd September 2010, 23:14 | #2 | Link |
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Those negative % numbers don't look kosher to me. Not sure about the QP values, the difference looks "striking" at least.
But you are using both, insane settings (--preset "placebo") and unofficial patches (--fade-compensate 0.7). So "unexpected" things might happen More important, does the actual output look "wrong" somehow? Anyway, I'd recommend to try a "vanilla" build and compare the results...
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3rd September 2010, 08:48 | #3 | Link |
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No, i've quickly checked the file, and didn't see anything wrong...
I've encoded others files with same settings, and get QP around 5/6/13, and no negative % values. The only thing i that that file is a 4/3 video, so with black borders left and right, the other files with 'correct' values were all 16/9 videos. I should have this evening the result of a second 4/3 video file i'm encoding right now, and see if i'm still having these unusual values. |
5th September 2010, 14:46 | #4 | Link |
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