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LEADTOOLS Filters Help

LEAD Windows Media Reader

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The LEAD Windows Media Reader is a DirectShow® source filter for parsing Windows Media Files. It is especially useful for playing Windows Media files under Vista from a URL.

This filter supports the standard IFileSourceFilter interface. Use the IFileSourceFilter::Load method to let the LEAD Windows Media Reader filter know where to read the data from. Please see the Microsoft documentation for this interface for more information.

The LEADTOOLS Multimedia toolkit will automatically use this filter (if it is available) to play Windows Media from a URL. This filter is required for playing Windows Media files from a URL under Vista because there is no alternate filter that would provide this functionality in Vista. There was a Windows Media Source filter provided by Microsoft with XP and earlier operating systems, but that filter has been discontinued starting with Vista.

Technical details for the filter are provided in the following table:

Filter Interfaces

ILMWMReader, IFileSourceFilter

Interface ID

IID_ILMWMReader, IID_IFileSourceFilter

Input Media Types

N/A

Output Media Types

Type: MEDIATYPE_Video

Subtype:
MEDIASUBTYPE_YUY2 MEDIASUBTYPE_UYVY MEDIASUBTYPE_YV12 MEDIASUBTYPE_YVYU MEDIASUBTYPE_NV12 MEDIASUBTYPE_RGB24 MEDIASUBTYPE_RGB32 MEDIASUBTYPE_RGB565 MEDIASUBTYPE_RGB555 MEDIASUBTYPE_RGB8

Type: MEDIATYPE_Audio

Subtype:
MEDIASUBTYPE_PCM

Filter CLSID

CLSID_LMWMReader

Property Page CLSID

N/A

Executable

LMWMReader.dll, DSKernel2.dll

Filter category

CLSID_LegacyAmFilterCategory

Header

ILMWMReader.h

Platforms

Win32, x64

 

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