This fork works with 64bit box sizes in MP4 files. It can handle large(> 4GB) MP4 files without faststart option set.
Change video codec in MP4 files for Apple QuickTime conformance.
- Apple requires Dolby Vision file to have 'dvh1' as codec. https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
- Apple devices recognize 'dvhe' for HLS though. https://developer.apple.com/documentation/http_live_streaming/hls_authoring_specification_for_apple_devices/hls_authoring_specification_for_apple_devices_appendixes
usage: mp4dovi [options] files...
-from string
video codec to convert from (default "dvhe")
-to string
video codec to convert to (default "dvh1")
-verbose
enable verbose output
| Avoid | Recommended |
|---|---|
| dvhe | dvh1 |
| hev1 | hvc1 |
| avc3 | avc1 |