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Gets whether the source video is in letterbox format or not.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmDVDTitle_get_IsSourceLetterboxed(pDVDTitle, pVal) |
| C++ | HRESULT get_IsSourceLetterboxed(pVal) |
Pointer to an IltmmDVDTitle interface.
Pointer to a variable to be updated with a value that indicates whether the source video is in letterbox format or not. Possible value are:
| Setting | Description |
|---|---|
| VARIANT_TRUE | The source video is in a letterbox |
| VARIANT_FALSE | The source video is not in a letterbox |
| Value | Meaning |
|---|---|
| S_OK | The function was successful. |
| <> S_OK | An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
This property will return whether the video source is in a letterbox or not. Note that subpictures and menu buttons can only be displayed in the active video area.
Win32, x64.
| Language | Example |
|---|---|
| C | DVD Source |
| C++ | DVD Source |
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