____________________________________________________________
Encoding
FFmetrics
10 min → VMAF 98.07
Handbrake 1.8.2 (2024081000)
Video.svt-av1 10 bit fast decode Preset 5 2-pass vbr 10702 kbps
Audio.7.1 opus 512 kbps
____________________________________________________________
File
Video: AV01 3840x2160 23.976fps [V: av1 main, yuv420p10le, 3840x2160 [default]]
Audio: Opus 48000Hz 8ch 12288kbps [A: Dolby TrueHD/Atmos Audio / 7.1 / 48 kHz / 4291 kbps / 24-bit [eng] (opus, 48000 Hz, 7.1) [default]]
Subtitle [S: Bulgarian [bul] (pgs)]
Subtitle [S: Cantonese [chi] (pgs)]
Subtitle [S: Mandarin Simplified [chi] (pgs)]
Subtitle [S: Mandarin Traditional [chi] (pgs)]
Subtitle [S: Croatian [hrv] (pgs)]
Subtitle [S: Czech [cze] (pgs)]
Subtitle [S: English [eng] (pgs)]
Subtitle [S: SDH [eng] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: Greek [gre] (pgs)]
Subtitle [S: Hungarian [hun] (pgs)]
Subtitle [S: Icelandic [ice] (pgs)]
Subtitle [S: Indonesian [ind] (pgs)]
Subtitle [S: Italian [ita] (pgs)]
Subtitle [S: Korean [kor] (pgs)]
Subtitle [S: Malay [may] (pgs)]
Subtitle [S: Polish [pol] (pgs)]
Subtitle [S: Brazilian [por] (pgs)]
Subtitle [S: Iberian [por] (pgs)]
Subtitle [S: Romanian [rum] (pgs)]
Subtitle [S: Serbian [srp] (pgs)]
Subtitle [S: Slovak [slo] (pgs)]
Subtitle [S: Slovenian [slv] (pgs)]
Subtitle [S: Latin American [spa] (pgs)]
Subtitle [S: Thai [tha] (pgs)]
Subtitle [S: Forced Subtitles (auto)]
Subtitle: UTF-8 [S: No subtitles]
General
Unique ID : 3528800652011132886125459493040780975 (0x2A79F4E06EC17A454732BB76DFD76AF)
Complete name : Venom.Let.There.Be.Carnage.2021.bluray.hdr.2160p.av1.7.1.opus.vmaf98-Rosy.mkv
Format : Matroska
Format version : Version 4
File size : 7.80 GiB
Duration : 1 h 37 min
Overall bit rate : 11.5 Mb/s
Frame rate : 23.976 FPS
Movie name : Venom.Let.There.Be.Carnage.2021.bluray.hdr.2160p.av1.7.1.opus.vmaf98-Rosy
Encoded date : 2024-11-24 18:04:12 UTC
Writing application : mkvmerge v88.0 ('All I Know') 64-bit
Writing library : libebml v1.4.5 + libmatroska v1.7.1
Cover : Yes
Attachments : cover.jpg
Video
ID : 1
Format : AV1
Format/Info : AOMedia Video 1
Format profile : [email protected]
HDR format : Dolby Vision, Version 1.0, Profile 10.1, dav1.10.08, BL+RPU, no metadata compression, HDR10 compatible / SMPTE ST 2086, Version HDR10, HDR10 compatible / SMPTE ST 2086, Version HDR10, HDR10 compatible
Codec ID : V_AV1
Duration : 1 h 37 min
Bit rate : 10.7 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.054
Stream size : 7.28 GiB (93%)
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primar : BT.2020
Mastering display luminance : min: 0.0001 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 7659
MaxCLL_Original : 7659 cd/m2
Maximum Frame-Average Light Le : 522
MaxFALL_Original : 522 cd/m2
Audio
ID : 2
Format : Opus
Codec ID : A_OPUS
Duration : 1 h 37 min
Bit rate : 401 kb/s
Channel(s) : 8 channels
Channel layout : L R C Ls Rs Lb Rb LFE
Sampling rate : 48.0 kHz
Frame rate : 50.000 FPS (960 SPF)
Compression mode : Lossy
Stream size : 279 MiB (3%)
Title : Dolby TrueHD/Atmos Audio / 7.1 / 48 kHz / 4291 kbps / 24-bit
Language : English
Default : Yes
Forced : No
____________________________________________________________
Source
Venom.Let.There.Be.Carnage.2021.2160p.UHD.BluRay.REMUX.DV.HDR.HEVC.Atmos-TRiToN
Video: HVC1 3840x2160 23.976fps [V: MPEG-H HEVC Video / 2104 + 55873 kbps / 2160p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 10 bits / Dolby Vision + HDR10 / BT.2020 [eng] (hevc main 10 L5.1, yuv420p10le, 3840x2160) [default]]
Audio: TrueHD 48000Hz 8ch 9216kbps [A: Dolby TrueHD/Atmos Audio / 7.1 / 48 kHz / 4291 kbps / 24-bit [eng] (truehd atmos, 48000 Hz, 7.1, s24) [default]]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: Compatibility Track / Dolby Digital Audio / 5.1 / 48 kHz / 640 kbps [eng] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Subtitle [S: English [eng] (pgs)]
Subtitle [S: SDH [eng] (pgs)]
Subtitle [S: Bulgarian [bul] (pgs)]
Subtitle [S: Cantonese [chi] (pgs)]
Subtitle [S: Mandarin Simplified [chi] (pgs)]
Subtitle [S: Mandarin Traditional [chi] (pgs)]
Subtitle [S: Croatian [hrv] (pgs)]
Subtitle [S: Czech [cze] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: Greek [gre] (pgs)]
Subtitle [S: Hungarian [hun] (pgs)]
Subtitle [S: Icelandic [ice] (pgs)]
Subtitle [S: Indonesian [ind] (pgs)]
Subtitle [S: Italian [ita] (pgs)]
Subtitle [S: Korean [kor] (pgs)]
Subtitle [S: Malay [may] (pgs)]
Subtitle [S: Polish [pol] (pgs)]
Subtitle [S: Brazilian [por] (pgs)]
Subtitle [S: Iberian [por] (pgs)]
Subtitle [S: Romanian [rum] (pgs)]
Subtitle [S: Serbian [srp] (pgs)]
Subtitle [S: Slovak [slo] (pgs)]
Subtitle [S: Slovenian [slv] (pgs)]
Subtitle [S: Latin American [spa] (pgs)]
Subtitle [S: Thai [tha] (pgs)]
Subtitle [S: Forced Subtitles (auto)]
Subtitle: UTF-8 [S: No subtitles]
General
Unique ID : 289226919522134009556468503508583208936 (0xD9971418C6B80C62ECDC23FCEBF057E8)
Complete name : Venom.Let.There.Be.Carnage.2021.2160p.UHD.BluRay.REMUX.DV.HDR.HEVC.Atmos-TRiToN.mkv
Format : Matroska
Format version : Version 4
File size : 43.3 GiB
Duration : 1 h 37 min
Overall bit rate mode : Variable
Overall bit rate : 63.7 Mb/s
Frame rate : 23.976 FPS
Movie name : Venom: Let There Be Carnage (2021)
Encoded date : 2021-12-12 19:04:13 UTC
Writing application : mkvmerge v63.0.0 ('Everything') 64-bit
Writing library : libebml v1.4.2 + libmatroska v1.6.4
IMDB : tt7097896
TMDB : movie/580489
Video
ID : 1
ID in the original source medi : 4113 (0x1011)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main [email protected]@High
HDR format : Dolby Vision, Version 1.0, Profile 7.6, dvhe.07.06, BL+EL+RPU, no metadata compression, Blu-ray compatible / SMPTE ST 2086, Version HDR10, HDR10 compatible
Codec ID : V_MPEGH/ISO/HEVC
Duration : 1 h 37 min
Bit rate : 58.0 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.292
Stream size : 39.4 GiB (91%)
Title : MPEG-H HEVC Video / 2104 + 55873 kbps / 2160p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 10 bits / Dolby Vision + HDR10 / BT.2020
Language : English
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primar : BT.2020
Mastering display luminance : min: 0.0001 cd/m2, max: 1000 cd/m2
Maximum Content Light Level : 7659 cd/m2
Maximum Frame-Average Light Le : 522 cd/m2
Original source medium : Blu-ray
Audio #1
ID : 2
Format : MLP FBA 16-ch
Format/Info : Meridian Lossless Packing FBA with 16-channel presentation
Commercial name : Dolby TrueHD with Dolby Atmos
Codec ID : A_TRUEHD
Duration : 1 h 37 min
Bit rate mode : Variable
Bit rate : 4 291 kb/s
Maximum bit rate : 7 512 kb/s
Channel(s) : 8 channels
Channel layout : L R C LFE Ls Rs Lb Rb
Sampling rate : 48.0 kHz
Frame rate : 1 200.000 FPS (40 SPF)
Compression mode : Lossless
Stream size : 2.92 GiB (7%)
Title : Dolby TrueHD/Atmos Audio / 7.1 / 48 kHz / 4291 kbps / 24-bit
Language : English
Default : Yes
Forced : No
Number of dynamic objects : 11
Bed channel count : 1 channel
Bed channel configuration : LFE
____________________________________________________________
Tools
Ab-av1
FFBitrateViewer
FFmpeg
FFmetrics
Freefilesync
Handbrake
Jackett
Mediainfo
Mkvtoolknix
Qbittorent
Scenerulez
Shutterencoder
VVV-virtualvolumeview
Xnconvert
Xnview mp
===================== AV1 guide v14 ========================
Step 1 - Check VMAF with Ab-av1
1. AV1
Source resolution → crf-search -i "c:\file.mkv" --pix-format yuv420p10le --svt fast-decode=1 --svt tune=0 --preset 5 --min-samples 20 --min-vmaf 98
1080p Downscale → crf-search -i "c:\file.mkv" --pix-format yuv420p10le --svt fast-decode=1 --svt tune=0 --preset 5 --min-samples 20 --min-vmaf 96 --vfilter "scale=-1:1080"
720p Downscale → crf-search -i "c:\file.mkv" --pix-format yuv420p10le --svt fast-decode=1 --svt tune=0 --preset 5 --min-samples 20 --min-vmaf 96 --vfilter "scale=-1:720"
Sample encode → sample-encode -i "c:\file.mkv" --pix-format yuv420p10le --svt fast-decode=1 --svt tune=0 --preset 5 --min-samples 20 --crf 20
2. x265
Source resolution → crf-search -i "c:\file.mkv" --encoder libx265 --pix-format yuv420p10le --preset medium --min-samples 20 --enc x265-params=fastdecode=1 --min-vmaf 98
1080p Downscale → crf-search -i "c:\file.mkv" --encoder libx265 --pix-format yuv420p10le --preset medium --min-samples 20 --enc x265-params=fastdecode=1 --min-vmaf 96 --vfilter "scale=-1:1080"
720p Downscale → crf-search -i "c:\file.mkv" --encoder libx265 --pix-format yuv420p10le --preset medium --min-samples 20 --enc x265-params=fastdecode=1 --min-vmaf 96 --vfilter "scale=-1:720"
____________________________________________________________
Step 2 - HandBrake
Summary:
- Container: MKV
Dimensions:
- Cropping: None
- Anamorphic: None
- Borders: None
Video:
- Encoder: AV1 (10-bit SVT)
- Framerate: Same as source
- Preset: 5
- Fast Decode: ✓
- Encoder Profile: Main
- Encoder Level: Auto
- Quality: CRF determined from "ab-av1"(1), or crf 20-25
Audio:
- DTS to Opus Conversion:
- DTS 7.1 → Opus @ 512 kbps
- DTS 5.1 → Opus @ 384 kbps
- DTS 2.0 → Opus @ 128 kbps
*When passtrough? lossy codec(opus,aac, ac3, eac3,wma) 768-128 kbps
____________________________________________________________
Step 3 - Subtitles
- Original → passtrough
- Subtitle Translator
- Whisper OpenAI
- Opensubtitles
- Subtitlecat
*If size is an issue don`t use pgs, prefer ass/srt.
Whisperai large-v3 2024 (prompts)
!pip install git+https://github.com/openai/whisper.git
!sudo apt update && sudo apt install ffmpeg
!whisper "audio.aac" --model large-v3 --language Japanese --task translate
____________________________________________________________
References
1. Dolby, 2023. What are Dolby Vision profiles and levels? [Online]
2. Ozer, J., 2017. Video Encoding by the Numbers: Eliminate the Guesswork from your Streaming Video. Doceo Publishing.
3. Sayood, K., 2017. Introduction to Data Compression. 5th Edition.
4. Ozer, J., 2021. What is CBR, VBR, CRF, Capped-CRF? Rate Control Modes Explained.
5. Rassool, Reza. VMAF Reproducibility: Validating a Perceptual Practical Video Quality Metric.
6. Kah, A. e al. Fundamental relationships between subjective quality, user acceptance, and the VMAF metric for a quality-based bit rate ladder design for over-the-top video streaming services.
7. Boldrin, M. 2008. Against Intellectual Monopoly.