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PFM Raw at a glance
PFM Raw
PFM persists from the era when HDR imaging, rendering research, and tone-mapping workflows needed straightforward file carriers for floating-point image data long before mainstream consumer HDR delivery formats matured.
AVI at a glance
AVI
AVI grew from Microsoft's RIFF multimedia architecture, which is why its structure reflects chunked stream handling and older desktop-video assumptions.
Format comparison
| Feature | PFM Raw | AVI |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1998 | 1992 |
| Inventor | PBRT / Paul Debevec community | Microsoft |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Supported | Not supported |
| Streaming ready | Not supported | Supported |
When to use each format
When to use PFM Raw
- Your source file is already in PFM Raw.
- Preserve source expectations before exporting to AVI.
- PFM Raw is commonly used in image workflows.
When to use AVI
- Your target workflow expects AVI.
- Improve delivery compatibility with AVI.
- AVI is commonly used in video workflows.
FAQs
Why convert PFM Raw to AVI?
Convert to AVI when an older editor, recorder, analysis tool, or device workflow explicitly expects it, or when preserving compatibility with legacy video archives matters.
It is useful for certain capture and processing chains where AVI remains a known stable interchange wrapper.
For streaming, web playback, and compact delivery, MP4 or WebM are usually stronger options.
What changes when converting PFM Raw to AVI?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to AVI removes HDR content. Moving to AVI adds streaming delivery.
What should I review after converting PFM Raw to AVI?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.