But how... quality and speed impact??? I've done test on the whole 4K HDR movie. Same settings, one with AQ2, one with AQ4.
AQ2:
Code:
x265 [info]: HEVC encoder version 3.1+8-21db162c8622
x265 [info]: build info [Windows][GCC 9.1.0][64 bit] 10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 AVX512
x265 [info]: Main 10 profile, Level-5.1 (High tier)
x265 [info]: Thread pool created using 28 threads
x265 [info]: Slices : 1
x265 [info]: frame threads / pool features : 4 / wpp(25 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge : star / 57 / 3 / 3
x265 [info]: Keyframe min / max / scenecut / bias: 24 / 240 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt : 48 / 8 / 2
x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0
x265 [info]: References / ref-limit cu / depth : 4 / on / on
x265 [info]: AQ: mode / str / qg-size / cu-tree : 2 / 1.0 / 8 / 1
x265 [info]: Rate Control / qCompress : CRF-16.0 / 0.60
x265 [info]: VBV/HRD buffer / max-rate / init : 160000 / 160000 / 0.900
x265 [info]: tools: rect amp limit-modes rd=4 psy-rd=2.00 rdoq=2 psy-rdoq=1.00
x265 [info]: tools: signhide tmvp lslices=4
x265 [info]: frame I: 1572, Avg QP:19.24 kb/s: 36306.92
x265 [info]: frame P: 31790, Avg QP:20.31 kb/s: 29999.39
x265 [info]: frame B: 120253, Avg QP:23.15 kb/s: 17831.23
x265 [info]: Weighted P-Frames: Y:9.7% UV:1.7%
x265 [info]: consecutive B-frames: 17.9% 9.6% 8.6% 19.1% 7.5% 10.0% 6.4% 9.3% 11.7%
encoded 153615 frames in 81511.10s (1.88 fps), 20538.46 kb/s, Avg QP:22.53
AQ4:
Code:
x265 [info]: HEVC encoder version 3.1+8-21db162c8622
x265 [info]: build info [Windows][GCC 9.1.0][64 bit] 10bit
x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 AVX512
x265 [info]: Main 10 profile, Level-5.1 (High tier)
x265 [info]: Thread pool created using 28 threads
x265 [info]: Slices : 1
x265 [info]: frame threads / pool features : 4 / wpp(25 rows)
x265 [info]: Coding QT: max CU size, min CU size : 64 / 8
x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra
x265 [info]: ME / range / subpel / merge : star / 57 / 3 / 3
x265 [info]: Keyframe min / max / scenecut / bias: 24 / 240 / 40 / 5.00
x265 [info]: Lookahead / bframes / badapt : 48 / 8 / 2
x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0
x265 [info]: References / ref-limit cu / depth : 4 / on / on
x265 [info]: AQ: mode / str / qg-size / cu-tree : 4 / 1.0 / 8 / 1
x265 [info]: Rate Control / qCompress : CRF-16.0 / 0.60
x265 [info]: VBV/HRD buffer / max-rate / init : 160000 / 160000 / 0.900
x265 [info]: tools: rect amp limit-modes rd=4 psy-rd=2.00 rdoq=2 psy-rdoq=1.00
x265 [info]: tools: signhide tmvp lslices=4
x265 [info]: frame I: 1571, Avg QP:19.38 kb/s: 35277.33
x265 [info]: frame P: 31792, Avg QP:20.46 kb/s: 29185.39
x265 [info]: frame B: 120252, Avg QP:23.29 kb/s: 17402.88
x265 [info]: Weighted P-Frames: Y:9.6% UV:1.7%
x265 [info]: consecutive B-frames: 17.9% 9.6% 8.7% 19.1% 7.6% 10.0% 6.3% 9.3% 11.7%
encoded 153615 frames in 83129.38s (1.85 fps), 20024.18 kb/s, Avg QP:22.66