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FLV at a glance
FLV
FLV is inseparable from the Flash era of online media, when browser plugins rather than native video elements dominated streaming video experiences.
M2V at a glance
M2V
The .m2v extension became the conventional identifier for demultiplexed MPEG-2 video elementary streams during the DVD authoring era, when tools separated video from program streams for independent processing.
Format comparison
| Feature | FLV | M2V |
|---|---|---|
| File type | Video | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2002 | 1995 |
| Inventor | Macromedia / Adobe | Moving Picture Experts Group (MPEG) |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Supported |
| Multitrack support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Supported |
When to use each format
When to use FLV
- Your source file is already in FLV.
- Preserve source expectations before exporting to M2V.
- FLV is commonly used in video workflows.
When to use M2V
- Your target workflow expects M2V.
- Improve delivery compatibility with M2V.
- M2V is commonly used in video workflows.
FAQs
Why convert FLV to M2V?
DVD authoring video preparation, broadcast MPEG-2 processing where audio is handled as a separate stream, and MPEG-2 encoding pipelines.
What changes when converting FLV to M2V?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to M2V adds layer support.
What should I review after converting FLV to M2V?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.