WM_READER_STATISTICS structure

The WM_READER_STATISTICS structure describes the performance of a reading operation.

Syntax


typedef struct _WMReaderStatistics {
  DWORD cbSize;
  DWORD dwBandwidth;
  DWORD cPacketsReceived;
  DWORD cPacketsRecovered;
  DWORD cPacketsLost;
  WORD  wQuality;
} WM_READER_STATISTICS;

Members

cbSize

The size of the WM_READER_STATISTICS structure, in bytes.

dwBandwidth

DWORD containing the bandwidth, in bits per second.

cPacketsReceived

Count of packets received.

cPacketsRecovered

Count of lost packets which were recovered. This value is only relevant during network playback.

cPacketsLost

Count of lost packets which were not recovered. This value is only relevant during network playback.

wQuality

WORD containing the quality, which is the percentage of total packets that were received.

Remarks

You must set the cbSize member manually before using this structure. It should always be set to sizeof(WM_READER_STATISTICS).

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Version

Windows Media Format 7 SDK, or later versions of the SDK

Header

Wmsdkidl.h (include Wmsdk.h)

See also

IWMReaderAdvanced::GetStatistics
Structures

 

 

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