VMAF 94.76 - preset 5 crf 15




____________________________________________________________

Encoding

Ab-av1
crf-search -i "D:\file.mkv" --pix-format yuv420p10le --svt fast-decode=1 --svt tune=0 --preset 5 --min-samples 40 --min-vmaf 96
#40 samples → crf 15 VMAF 94.76 predicted video stream size 1.54 GiB (6%) taking 2 hours

Handbrake 1.8.2 (2024081000)
Video.svt-av1 10 bit fast decode Preset 5 crf 15
Audio.128 kbps opus 2.0
____________________________________________________________

File

Video: AV01 1920x1080 23.976fps [V: av1 main, yuv420p10le, 1920x1080 [default]]
Audio: Opus 48000Hz stereo 3072kbps [A: TrueHD 7.1 Atmos [eng] (opus, 48000 Hz, stereo) [default]]
Subtitle [S: Chinese [chi] (pgs)]
Subtitle [S: Danish [dan] (pgs)]
Subtitle [S: Dutch [dut] (pgs)]
Subtitle: Advanced SubStation Alpha [S: English [eng] (ass)]
Subtitle: Advanced SubStation Alpha [S: SDH [eng] (ass)]
Subtitle [S: English [eng] (pgs)]
Subtitle [S: English [eng] (pgs)]
Subtitle [S: COMMENTARY [eng] (pgs)]
Subtitle [S: Finnish [fin] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: COMMENTARY [fre] (pgs)]
Subtitle [S: COMMENTARY [fre] (pgs)]
Subtitle [S: German [ger] (pgs)]
Subtitle [S: German [ger] (pgs)]
Subtitle [S: COMMENTARY [ger] (pgs)]
Subtitle [S: Italian [ita] (pgs)]
Subtitle [S: Italian [ita] (pgs)]
Subtitle [S: COMMENTARY [ita] (pgs)]
Subtitle [S: Japanese [jpn] (pgs)]
Subtitle [S: COMMENTARY [jpn] (pgs)]
Subtitle [S: FORCED [jpn] (pgs)]
Subtitle [S: Norwegian [nor] (pgs)]
Subtitle [S: Spanish [spa] (pgs)]
Subtitle [S: Spanish [spa] (pgs)]
Subtitle [S: COMMENTARY [spa] (pgs)]
Subtitle [S: Swedish [swe] (pgs)]
Subtitle [S: Turkish [tur] (pgs)]
Subtitle [S: Forced Subtitles (auto)]
Subtitle: UTF-8 [S: No subtitles]

General
Unique ID                      : 239097329606500765950465472796612939602 (0xB3E0787DE8B2768852A289162BF0CF52)
Complete name                  : Smile.2022.bluray.sdr.1080p.av1.vmaf94-Rosy.mkv
Format                         : Matroska
Format version                 : Version 4
File size                      : 1.88 GiB
Duration                       : 1 h 55 min
Overall bit rate               : 2 326 kb/s
Frame rate                     : 23.976 FPS
Movie name                     : Smile.2022.bluray.sdr.1080p.av1.vmaf94-Rosy
Encoded date                   : 2024-11-06 14:06:48 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                 : Main@L4.0
Codec ID                       : V_AV1
Duration                       : 1 h 55 min
Bit rate                       : 1 873 kb/s
Width                          : 1 920 pixels
Height                         : 1 080 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 0)
Bit depth                      : 10 bits
Bits/(Pixel*Frame)             : 0.038
Stream size                    : 1.51 GiB (80%)
Default                        : Yes
Forced                         : No
Color range                    : Limited
Color primaries                : BT.709
Transfer characteristics       : BT.709
Matrix coefficients            : BT.709

Audio
ID                             : 2
Format                         : Opus
Codec ID                       : A_OPUS
Duration                       : 1 h 55 min
Bit rate                       : 111 kb/s
Channel(s)                     : 2 channels
Channel layout                 : L R
Sampling rate                  : 48.0 kHz
Frame rate                     : 50.000 FPS (960 SPF)
Compression mode               : Lossy
Stream size                    : 91.9 MiB (5%)
Title                          : TrueHD 7.1 Atmos
Language                       : English
Default                        : Yes
Forced                         : No
____________________________________________________________

Source

Video: MPEG4 Video (H264) 1920x1080 23.976fps [V: English [eng] (h264 high L4.1, yuv420p, 1920x1080)]
Audio: TrueHD 48000Hz 8ch 9216kbps [A: TrueHD 7.1 Atmos [eng] (truehd atmos, 48000 Hz, 7.1, s24) [default]]
Audio: DTS 48000Hz 8ch 9216kbps [A: DTS-HD MA 7.1 [eng] (dts-hd ma, 48000 Hz, 7.1, s24)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [eng] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [eng] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [ger] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [spa] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [fre] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [fre] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [ita] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz 6ch 640kbps [A: DD 5.1 [jpn] (ac3, 48000 Hz, 5.1(side), 640 kb/s)]
Audio: Dolby AC3 48000Hz stereo 224kbps [A: DD 2.0 [eng] (ac3, 48000 Hz, stereo, 224 kb/s)]
Subtitle: UTF-8 [S: English [eng] (subrip) [default]]
Subtitle: UTF-8 [S: SDH [eng] (subrip) [hearing impaired]]
Subtitle [S: English [eng] (pgs)]
Subtitle [S: English [eng] (pgs)]
Subtitle [S: Danish [dan] (pgs)]
Subtitle [S: German [ger] (pgs)]
Subtitle [S: German [ger] (pgs)]
Subtitle [S: Spanish [spa] (pgs)]
Subtitle [S: Spanish [spa] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: French [fre] (pgs)]
Subtitle [S: Italian [ita] (pgs)]
Subtitle [S: Italian [ita] (pgs)]
Subtitle [S: Japanese [jpn] (pgs)]
Subtitle [S: Chinese [chi] (pgs)]
Subtitle [S: Dutch [dut] (pgs)]
Subtitle [S: Norwegian [nor] (pgs)]
Subtitle [S: Finnish [fin] (pgs)]
Subtitle [S: Swedish [swe] (pgs)]
Subtitle [S: Turkish [tur] (pgs)]
Subtitle [S: COMMENTARY [eng] (pgs)]
Subtitle [S: COMMENTARY [ger] (pgs)]
Subtitle [S: COMMENTARY [spa] (pgs)]
Subtitle [S: COMMENTARY [fre] (pgs)]
Subtitle [S: COMMENTARY [fre] (pgs)]
Subtitle [S: COMMENTARY [ita] (pgs)]
Subtitle [S: COMMENTARY [jpn] (pgs)]
Subtitle [S: FORCED [jpn] (pgs)]
Subtitle [S: Forced Subtitles (auto)]
Subtitle: UTF-8 [S: No subtitles]

General
Unique ID                      : 146434383258101434655075094471621642648 (0x6E2A3C821E952A489D7BEFCEF2B68998)
Complete name                  : Smile.2022.1080p.BluRay.REMUX.AVC.DTS-HD.MA.TrueHD.7.1.Atmos-FGT.mkv
Format                         : Matroska
Format version                 : Version 4
File size                      : 33.8 GiB
Duration                       : 1 h 55 min
Overall bit rate mode          : Variable
Overall bit rate               : 41.9 Mb/s
Frame rate                     : 23.976 FPS
Movie name                     : Smile.2022.1080p.BluRay.REMUX.AVC.DTS-HD.MA.TrueHD.7.1 Atmos-FGT
Encoded date                   : 2022-12-10 15:03:01 UTC
Writing application            : mkvmerge v72.0.0 ('Minuano (Six-eight)') 64-bit
Writing library                : libebml v1.4.4 + libmatroska v1.7.1

Video
ID                             : 1
ID in the original source medi : 4113 (0x1011)
Format                         : AVC
Format/Info                    : Advanced Video Codec
Format profile                 : High@L4.1
Format settings                : CABAC / 4 Ref Frames
Format settings, CABAC         : Yes
Format settings, Reference fra : 4 frames
Format settings, GOP           : M=3, N=12
Format settings, Slice count   : 4 slices per frame
Codec ID                       : V_MPEG4/ISO/AVC
Duration                       : 1 h 55 min
Bit rate mode                  : Variable
Bit rate                       : 28.9 Mb/s
Maximum bit rate               : 31.5 Mb/s
Width                          : 1 920 pixels
Height                         : 1 080 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
Bit depth                      : 8 bits
Scan type                      : Progressive
Bits/(Pixel*Frame)             : 0.581
Time code of first frame       : 00:59:59:00
Stream size                    : 23.3 GiB (69%)
Language                       : English
Default                        : No
Forced                         : No
Original source medium         : Blu-ray

Audio #1
ID                             : 2
ID in the original source medi : 4352 (0x1100)
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 55 min
Bit rate mode                  : Variable
Bit rate                       : 3 637 kb/s
Maximum bit rate               : 7 251 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)
Bit depth                      : 24 bits
Compression mode               : Lossless
Stream size                    : 2.94 GiB (9%)
Title                          : TrueHD 7.1 Atmos
Language                       : English
Default                        : Yes
Forced                         : No
Original source medium         : Blu-ray
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 v12 ========================

Step 1 - Check VMAF with Ab-av1(1)

 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)

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.
____________________________________________________________

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.