The portion of the file holding the video data. The video data might be compressed to save disk space. The data has to be decompressed using a video decompressor before you can play (see) it.

Also known as a decoder, this is a module or algorithm to decompress data.

The portion of the file holding the audio data. The audio data might be compressed to save disk space. The data has to be decompressed using an audio decompressor before you can play (hear) it.

IltmmWMStreamConfig::get_StreamType

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#include "ltmm.h"

C Syntax	HRESULT IltmmWMStreamConfig_get_StreamType(pStreamConfig, pVal)
C++ Syntax	HRESULT get_StreamType(pVal)

IltmmWMStreamConfig *pStreamConfig;	/* pointer to an interface */
BSTR *pVal;	/* pointer to a string */

Gets the major type of the stream.

Parameter	Description
pStreamConfig	Pointer to an IltmmWMStreamConfig interface.
pVal	Pointer to a string to be updated with the CLSID string that indicates the stream type. Possible values are:
	Value	Meaning
	ltmmMEDIATYPE_Video	Video stream
	ltmmMEDIATYPE_Audio	Audio stream
	ltmmMEDIATYPE_Text	Script stream
	For a list of media types refer to Formats, Media Types and Media Subtypes.

Returns

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.

Comments

Call SysFreeString to free the memory allocated for the string when it is no longer needed.

For more information, refer to the Microsoft documentation for IWMStreamConfig::GetStreamType .

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

Elements:	IltmmWMStreamConfig::get_StreamNumber, IltmmWMStreamConfig::put_StreamNumber, IltmmWMStreamConfig::get_StreamName, IltmmWMStreamConfig::put_StreamName, IltmmWMStreamConfig::get_Type
Topics:	Windows Media Support
	Multimedia Function Group