Determines if the specified subpicture stream is enabled in the current title.
#include "ltmm.h"
Language | Syntax |
---|---|
C | HRESULT IltmmDVDControl_IsSubpictureStreamEnabled(pDVD, stream, pVal) |
C++ | HRESULT IsSubpictureStreamEnabled(stream, pVal) |
Pointer to an IltmmDVDControl interface.
The subpicture stream to check.
Pointer to a variable that receives a value that represents the status of the specified subpicture stream. Possible values are:
Setting | Description |
---|---|
VARIANT_TRUE | Stream is enabled |
VARIANT_FALSE | Stream is disabled |
Value | Meaning |
---|---|
S_OK | The function ran successfully. |
<> S_OK | An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation. |
To determine the number of available subpicture streams, call IltmmDVDControl::get_SubpictureStreamsAvailable.
Call IltmmDVDControl::get_CurrentSubpictureStream to retrieve the current subpicture stream.
To set the current subpicture stream, call IltmmDVDControl::put_CurrentSubpictureStream.
The title currently being played determines which subpicture streams are enabled and disabled.
While setting a disabled subpicture stream as the current subpicture stream will not return an error, the program will not display subpicture data until it plays a title that enables the stream.
For more detailed information, refer to the Microsoft documentation for IDvdInfo2::IsSubpictureStreamEnabled.
Win32, x64.
Language | Example |
---|---|
C | IltmmDVDControl::GetButtonAtPosition |
C++ | IltmmDVDControl::GetButtonAtPosition |
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