IltmmWMStreamConfig::get_Quality

#include "ltmm.h"

C Syntax

HRESULT IltmmWMStreamConfig__get_Quality(pStreamConfig, pVal)

C++ Syntax

HRESULT get_Quality(pVal)

 

IltmmWMStreamConfig *pStreamConfig;

/* pointer to an interface */

long *pVal;

/* pointer to a variable */

Gets the quality setting for the video stream 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 Also known as a decoder, this is a module or algorithm to decompress data. before you can play (see) it..

Parameter

Description

pStreamConfig

Pointer to an IltmmWMStreamConfig interface.

pVal

Pointer to a variable to be updated with the quality setting.

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

Expected values range from 0 to 100, where zero denotes maximum frame rate and 100 denotes maximum quality.

For more information, refer to the Microsoft documentation for IWMVideoMediaProps::GetQuality at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmform11/htm/iwmvideomediapropsgetquality.asp.

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.

See Also

Elements:

IltmmWMStreamConfig::put_Quality, IltmmWMStreamConfig::get_MaxKeyFrameSpacing, IltmmWMStreamConfig::put_MaxKeyFrameSpacing, IltmmWMStreamConfig::get_BufferWindow, IltmmWMStreamConfig::put_BufferWindow

Topics:

Windows Media Support

 

Multimedia Function Group

Example

For a C example, refer to IltmmWMProfile::GetStream Example for C.

For a C++ example, refer to IltmmWMProfile::GetStream Example for C++.