References ▼
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 |
You need to unlock the LEAD Video text Overlay Transform to use it in RELEASE mode.
For more information, refer to Evaluation Mechanism Overview.
Win32, x64.