5. ▶
x265-2pass-5000kbps-grain-slow
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parameters: --pass 2 --bitrate 5000 --preset slow --tune grain --output-depth 10 --profile main10 --level-idc 4 --no-high-tier --colorprim bt709 --colormatrix bt709 --transfer bt709 --range limited --deblock -3:-3
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Quote:
x265 [INFO]: frame I: 103, Avg QP:33.96 kb/s: 13553.77
x265 [INFO]: frame P: 1548, Avg QP:34.69 kb/s: 6417.86
x265 [INFO]: frame B: 4226, Avg QP:34.82 kb/s: 4287.61
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Quote:
depth: 10-bit
time: 01:21:32 (4,892s)
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6. ▶
x265-2pass-5000kbps-waggoner-slow (suggestions by Ben Waggoner)
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parameters: --pass 2 --bitrate 5000 --preset slow --output-depth 10 --profile main10 --level-idc 4 --no-high-tier --psy-rdoq 5 --rskip 0 --aq-mode 1 --aq-strength 0.5 --qpstep 1 --nr-intra 100 --nr-inter 250 --ipratio 1.2 --pbratio 1.1 --no-cutree --colorprim bt709 --colormatrix bt709 --transfer bt709 --range limited --deblock -3:-3 --no-sao
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Quote:
x265 [INFO]: frame I: 103, Avg QP:31.05 kb/s: 18137.07
x265 [INFO]: frame P: 1548, Avg QP:32.60 kb/s: 7904.58
x265 [INFO]: frame B: 4226, Avg QP:33.58 kb/s: 3617.51
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Quote:
depth: 10-bit
time: 01:23:09 (4,989s)
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7. ▶
intel-hevc-qsv-qp30-icq
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parameters: icq, qp30, highest quality options (don't have specifics to hand) - overall bitrate: ~5080kbps (this shouldn't make a massive difference when comparing to the 2-pass encodes)
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Quote:
frame type IDR 93
frame type I 93, total size 15.36 MB
frame type P 5784, total size 131.40 MB
(not sure where the bframes went)
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Quote:
depth: 10-bit
time: 00:06:40 (400s) (Atom-based Pentium Silver J5005, so don't expect it to be fast!)
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8. ▶
x265-2pass-5000kbps-boulder-slower (suggestions by Boulder)
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parameters: --pass 2 --bitrate 5000 --preset slower --output-depth 10 --profile main10 --level-idc 4 --no-high-tier --rd-refine --rskip 2 --rskip-edge-threshold 2 --limit-refs 0 --merange 58 --max-merge 2 --bframes 10 --ref 4 --colorprim bt709 --colormatrix bt709 --transfer bt709 --range limited --deblock -1:-1 --no-sao
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Quote:
x265 [INFO]: frame I: 89, Avg QP:28.97 kb/s: 28745.94
x265 [INFO]: frame P: 1497, Avg QP:31.49 kb/s: 11857.99
x265 [INFO]: frame B: 4291, Avg QP:36.23 kb/s: 2116.03
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Quote:
depth: 10-bit
time: 04:01:40 (14,500s - that's four hours for a four minute clip!)
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