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DivX MPEG-4 at a glance
DivX MPEG-4
DivX originated from a hacked version of Microsoft's MPEG-4v3 codec (the original 'DivX ;-)') before being rewritten as a legitimate MPEG-4 ASP codec. An open-source fork spawned the Xvid project.
RAF at a glance
RAF
Fujifilm's digital-camera identity tied raw capture not just to sensor data but also to a brand-specific color and workflow story, which gives RAF a recognizably different practical role from some rival raw families.
Format comparison
| Feature | DivX MPEG-4 | RAF |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2001 | 2000 |
| Inventor | DivX, LLC (Jordan Greenhall, Jerome Rota) | Fujifilm |
| Status | legacy | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use DivX MPEG-4
- Your source file is already in DivX MPEG-4.
- Preserve source expectations before exporting to RAF.
- DivX MPEG-4 is commonly used in video workflows.
When to use RAF
- Your target workflow expects RAF.
- Improve delivery compatibility with RAF.
- RAF is commonly used in image workflows.
FAQs
Why convert DivX MPEG-4 to RAF?
Convert to RAF when preserving Fujifilm camera originals or handing files back into a Fujifilm-oriented raw workflow.
It is appropriate for archive masters and non-destructive photographic editing.
What changes when converting DivX MPEG-4 to RAF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to RAF removes layer support. Moving to RAF adds camera raw data. Moving to RAF removes streaming delivery.
What should I review after converting DivX MPEG-4 to RAF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.