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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.
CRW at a glance
CRW
Early Canon digital-camera workflows used raw formats like CRW before the later EOS raw families stabilized around CR2 and then CR3.
Format comparison
| Feature | DivX MPEG-4 | CRW |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
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| Created year | 2001 | 2000 |
| Inventor | DivX, LLC (Jordan Greenhall, Jerome Rota) | Canon |
| 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 CRW.
- DivX MPEG-4 is commonly used in video workflows.
When to use CRW
- Your target workflow expects CRW.
- Improve delivery compatibility with CRW.
- CRW is commonly used in image workflows.
FAQs
Why convert DivX MPEG-4 to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting DivX MPEG-4 to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to CRW removes layer support. Moving to CRW adds camera raw data. Moving to CRW removes streaming delivery.
What should I review after converting DivX MPEG-4 to CRW?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.