Dolby Vision profile 7 to Dolby Vision profile 8.1 conversion utility for macOS
- Download the latest release
- Extract the
.zipfile - Drag & drop the
DV7 to DV8app to yourApplicationsfolder - The included
mkvtoolnixutilities aren't available in Universal binaries, so that means if you're using an Apple silicon Mac, you'll need to install Rosetta 2 directly from Apple:- Launch the Terminal app
- Type
softwareupdate --install-rosettaand hitreturn - Accept the license agreement
- The app has not been digitally signed by an Apple Developer ID, so you will need to approve the app for the first run
- Do one of the following:
- Right-click on the app icon with your mouse and select Open
- Ctrl-click on the app icon with your mouse and select Open
- Two-finger tap on the app icon with your trackpad and select Open
- Approve the security prompt to allow the app to run
- Do one of the following:
- When you launch the app, you'll be prompted to select a folder
- Select a folder that contains Dolby Vision profile 7
.mkvfiles you want to convert to Dolby Vision profile 8.1 - To open folders in the future, do one of the following:
- Double-click on the app icon to launch the app, then select a folder in the Open Folder window
- Drag & drop a folder onto the app icon in the Finder or Dock
- When the app is already running, drag & drop a folder onto the main window
- When the app is already running, use the File menu > Open option and select a folder
- The app will process each
.mkvfile in the folder, performing the following:- Demux the DV7 BL+EL+RPU HEVC video stream from the MKV container
- Demux the DV7 EL+RPU enhancement layer from the HEVC stream for your archival purposes (delete this file if you don't care to be able to reconstruct the DV7 BL+EL+RPU in the future)
- Convert the DV7 BL+EL+RPU to DV8 BL+RPU, removing tone mappings specific to profile 7 and any CM v4.0 mappings (leaving CM v2.9)
- Delete the DV7 BL+EL+RPU HEVC file to conserve disk space
- Extract the DV8 RPU from the DV8 BL+RPU HEVC stream
- Plot a graph of the L1 metadata and render it into a PNG
- Remux the DV8 BL+RPU HEVC stream into a new MKV file with the non-video tracks from the original MKV file
- Delete the DV8 BL+RPU HEVC and RPU working files
If you prefer to use a plaintext Bash script over an app, you can also run DV7toDV8.sh directly.
The upside is that you can see and read exactly what you're running; the downside is that macOS doesn't want you to run downloaded tools, so you'll have to approve each utility in the System Settings app.
- Download and extract the repo
- Run
DV7toDV8.shin Terminal, passing one argument for the folder location of the MKV files you want to convert - On first run of each utility, you'll need to approve the app to run and then re-run the script
- The bundled tools are unmodified versions of those publicly available, so if you're uncomfortable running the utilities downloaded in the
toolsfolder, you can download and use your own copies ofdovi_toolandmkvtoolnix(both can be installed via Homebrew); you'll just need to update the paths to the tools appropriately in the script - To approve the tools to run, you can run each tool in the
toolsfolder in Terminal, or just run the script repeatedly (passing a folder containing MKV files as an argument)- Run the script once
- Open the System Settings app
- In the sidebar, select Privacy & Security
- Scroll down to the Security section
- Approve the
mkvextractutility to run - Run the script a second time
- Approve the
dovi_toolutility to run - Run the script a third time
- Approve the
mkvmergeutility to run
- All utilities should now be approved and the script can be run normally
This project leverages Platypus to create a macOS app bundle from a simple Bash script.
- Clone the DV7toDV8 repo in the
~/Documents/Xcode/DV7toDV8folder - Install Platypus 5.4.1 or greater
- In macOS Ventura 13 (substitute similar steps for macOS <13):
- Open the System Settings app
- In the sidebar, select Privacy & Security
- In the main window, select Full Disk Access
- Click the + sign in the lower left
- Select the Platypus app from the
Applicationsfolder and click Open
- Launch Platypus
- Select Profiles menu > Load Profile...
- Open the
~/Documents/Xcode/DV7toDV8/src/DV7 to DV8.platypusfile - If the location where you've stored the files on disk doesn't match
~/Documents/Xcode/DV7toDV8/src/, set the following locations:- Script Path:
DV7toDV8.sh - Bundled Files:
toolsfolderconfigfolder
- Script Path: