References ▼
Retrieves the number of output streams available in the source media file.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmMediaInfo_get_OutputStreams(pMediaInfo, pVal) |
| C++ | HRESULT get_OutputStreams(pVal) |
Pointer to an IltmmMediaInfo Interface.
Pointer to a variable to be updated with the number of output streams in the source media file.
| 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. |
The current source media file is the file for which the IltmmMediaInfo interface/object gets information. To set the current source media file, call IltmmMediaInfo::put_SourceFile.
The number of streams obtained by this function can be used to iterate through all streams, acquiring information on each.
To set the current stream, call IltmmMediaInfo::put_CurrentStream. Once the current stream has been set, information about that stream can be obtained by calling any of the following functions:
To get the current stream, call IltmmMediaInfo::get_CurrentStream.
Win32, x64.
| Language | Example |
|---|---|
| C | Retrieving Media File Information |
| C++ | Retrieving Media File Information |
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Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
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