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WM_WRITER_STATISTICS structure

The WM_WRITER_STATISTICS structure describes the performance of a writing operation.

Syntax


typedef struct _WMWriterStatistics {
  QWORD qwSampleCount;
  QWORD qwByteCount;
  QWORD qwDroppedSampleCount;
  QWORD qwDroppedByteCount;
  DWORD dwCurrentBitrate;
  DWORD dwAverageBitrate;
  DWORD dwExpectedBitrate;
  DWORD dwCurrentSampleRate;
  DWORD dwAverageSampleRate;
  DWORD dwExpectedSampleRate;
} WM_WRITER_STATISTICS;

Members

qwSampleCount

QWORD containing the sample count.

qwByteCount

QWORD containing the byte count.

qwDroppedSampleCount

QWORD containing the dropped sample count.

qwDroppedByteCount

QWORD containing the dropped byte count.

dwCurrentBitrate

DWORD containing the current bit rate.

dwAverageBitrate

DWORD containing the average bit rate.

dwExpectedBitrate

DWORD containing the expected bit rate.

dwCurrentSampleRate

DWORD containing the current sample rate.

dwAverageSampleRate

DWORD containing the average sample rate.

dwExpectedSampleRate

DWORD containing the expected sample rate.

Remarks

Sample rates are specified in kilohertz. For instance, a sample rate of 8 indicates 8000 samples per second.

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

IWMWriterAdvanced::GetStatistics
Structures

 

 

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