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Retrieves the type of compression used for the current stream in the current source media file.
#include "ltmm.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmmMediaInfo_get_VideoCompression(pMediaInfo, pVal) |
| C++ | HRESULT get_VideoCompression(pVal) |
Pointer to an IltmmMediaInfo interface.
Pointer to a variable that receives the type of compression. Video compression type is indicated by a FOURCC value. For a list of FOURCC values, refer to the Microsoft documentation on FOURCC numbers.
| 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 function will fail if the current stream is not a video stream.
The current source media file, set using IltmmMediaInfo::put_SourceFile, is the file for which the IltmmMediaInfo interface/object gets information. IltmmMediaInfo::put_SourceFile must be called before calling any of the other IltmmMediaInfo functions used for retrieving information.
To set the current stream, call IltmmMediaInfo::put_CurrentStream.
Win32, x64.
| Language | Example |
|---|---|
| C | Retrieving Media File Information |
| C++ | Retrieving Media File Information |
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