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This is a Media Foundation Transform that performs text overlaying on a video stream. It supports a wide range of text options from font and wrapping to rotation and transparency. The transform exposes its functionality through both user and programming interfaces.
| Resource Type | Name | |
|---|---|---|
| Transform Interface(s) | ILMFVTextOverlay , IMFTransform | |
| Interface ID | IID_ILMFVTextOverlay | |
| Input/Output Media Types | MFMediaType_Video and the following subtypes: | |
| MFVideoFormat_RGB24 | ||
| MFVideoFormat_RGB8 | ||
| MFVideoFormat_YUY2 | ||
| MFVideoFormat_UYVY | ||
| MEDIASUBTYPE_YUYV | ||
| MEDIASUBTYPE_IYU2 | ||
| Transform CLSID | CLSID_LMFVTextOverlay | |
| Property Page(s) CLSID | CLSID_LMFVTextOverlayPropertyPage, and CLSID_LMFVTextOverlayPropertyPage2 | |
| Transform category | MFT_CATEGORY_LEAD_VIDEO_PROC | |
| MFT_CATEGORY_VIDEO_EFFECT | ||
| Executable | LMFVTOvly.dll | |
| Header | ILMFVTOvly.h | |
| Transform Attributes | LEAD Video Text Overlay Attributes |
Win 32, x64
LEAD Video Text Overlay Transform User Interface
You need to unlock the LEAD Video text Overlay Transform to use it in RELEASE mode.
For more information, refer to Evaluation Mechanism Overview