nv_enc encoding settings recipes

### from all over the net - doom9.org etc

# https://forum.doom9.org/showthread.php?p=1885049#post1885049
ffmpeg -i "park_joy_1080p50.y4m" -f yuv4mpegpipe -strict -1 - | nvencc64 -c hevc --vbrhq 0 --vbr-quality 31 -u quality --output-depth 10 --lookahead 32 -b 5 --ref 7 --nonrefp --aq --aq-temporal --bref-mode middle --mv-precision q-pel -i - -o "park_joy_1080p50_31.mkv"
ffmpeg -i "park_joy_2160p50.y4m" -f yuv4mpegpipe -strict -1 - | nvencc64 -c hevc --vbrhq 0 --vbr-quality 40.5 -u quality --output-depth 10 --lookahead 32 -b 5 --ref 7 --nonrefp --aq --aq-temporal --bref-mode middle --mv-precision q-pel -i - -o "park_joy_2160p50_40.5.mkv"
x264 "park_joy_1080p50.y4m" --preset veryslow --tune film --pass 1 --bitrate 10000 -o "park_joy_1080p50_x264.264"
x264 "park_joy_1080p50.y4m" --preset veryslow --tune film --pass 2 --bitrate 10000 -o "park_joy_1080p50_x264.264"

# https://forum.doom9.org/showthread.php?p=1885293#post1885293
Test:
Code:
nvencc64 --lossless --output-res 1920x858 --sar 1:1 --vpp-resize spline16 --avhw -i tearsofsteel_4k.mov -o lossless.mp4
nvencc64 -c hevc --vbrhq 0 --vbr-quality 23.5 -u quality --max-bitrate 100000 --output-depth 10 --lookahead 32 -b 5 --ref 7 --nonrefp --aq --aq-temporal --bref-mode middle --mv-precision q-pel --fps 24 --sar 1:1 --log nvenc_hevc_235redoll.txt -i lossless.mp4 -o "nvenc_hevc_23.5redoll.265"
ffmpeg -hwaccel nvdec -i lossless.mp4 -pix_fmt yuv420p -f yuv4mpegpipe - | nvencc64 -c hevc --vbrhq 0 --vbr-quality 23.5 -u quality --max-bitrate 100000 --output-depth 10 --lookahead 32 -b 5 --ref 7 --nonrefp --aq --aq-temporal --bref-mode middle --mv-precision q-pel --fps 24 --sar 1:1 --log nvenc_hevc_235redoll.txt -i - -o "nvenc_hevc_23.5redollff.265"
nvencc64 -c hevc --vbrhq 0 --vbr-quality 23.5 -u quality --max-bitrate 100000 --output-depth 10 --lookahead 32 -b 5 --ref 7 --nonrefp --aq --aq-temporal --bref-mode middle --mv-precision q-pel --output-res 1920x858 --vpp-resize spline16 --fps 24 --sar 1:1 --log nvenc_hevc_235redollres.txt -i tearsofsteel_4k.mov -o "nvenc_hevc_23.5redollres.265"
Results:
Code:
md5sum *.265
3fc06fa71b9296a8d02615cbc1120266 *nvenc_hevc_23.5redoll.265 (679,960,787 Bytes) 
3fc06fa71b9296a8d02615cbc1120266 *nvenc_hevc_23.5redollff.265 (679,960,787 Bytes)
8c235b6c4b781a9d78c0149d18e9ea76 *nvenc_hevc_23.5redollres.265 (677,089,067 Bytes)


#
These were all done at -encMode 2 (quality from 0-11, 0 is best), 1pass VBR (they don't have 2 pass yet).
SvtHevcEncApp.exe from 20191017

1) Default intra period and lookahead (turns out to be gopsize 49, LAD 48)
Code:
"SvtHevcEncApp.exe" -i "yuv420p10le.yuv" -w 1920 -h 1080 -n 500 -bit-depth 10 -color-format 1 -intra-period -2 -rc 1 -profile 2 -fps-num 50 -fps-denom 1 -encMode 2 -tbr 10000000 -b SVT-HEVC_20191017_enc2_rc1_10Mbps_intraauto_ladauto.hevc


2) (1) + SAO off
Code:
"SvtHevcEncApp.exe" -i "yuv420p10le.yuv" -w 1920 -h 1080 -n 500 -bit-depth 10 -color-format 1 -intra-period -2 -rc 1 -profile 2 -fps-num 50 -fps-denom 1 -encMode 2 -tbr 10000000 -sao 0 -b SVT-HEVC_20191017_enc2_rc1_10Mbps_intraauto_ladauto_sao0.hevc


3) intra-period 250, LAD 250
Code:
"SvtHevcEncApp.exe" -i "yuv420p10le.yuv" -w 1920 -h 1080 -n 500 -bit-depth 10 -color-format 1 -intra-period 250 -rc 1 -profile 2 -fps-num 50 -fps-denom 1 -encMode 2 -tbr 10000000 -lad 250 -b SVT-HEVC_20191017_enc2_rc1_10Mbps_intra250_lad250.hevc


4) (3) + SAO off
Code:
"SvtHevcEncApp.exe" -i "yuv420p10le.yuv" -w 1920 -h 1080 -n 500 -bit-depth 10 -color-format 1 -intra-period 250 -rc 1 -profile 2 -fps-num 50 -fps-denom 1 -encMode 2 -tbr 10000000 -lad 250 -sao 0 -b SVT-HEVC_20191017_enc2_rc1_10Mbps_intraauto_ladauto_sao0.hevc