CBaseVideoRenderer::GetStdDev (Windows CE 5.0)
Estimates the standard deviation in milliseconds between when each frame is due and when it is actually rendered, for per-frame statistics.
HRESULTGetStdDev(intnSamples,int* piResult,LONGLONGllSumSq,LONGLONGiTot);
Parameters
- nSamples
Integer value that contains the number of video samples received by the video renderer. - piResult
Pointer to an integer value that will contain the standard deviation. - llSumSq
Value that represents the standard deviation, in milliseconds, of all rendered video samples. The lower the value, the more consistent the rendering. - iTot
Value that represents the mean value, in milliseconds, between the stamped time and rendered time for all rendered video samples.
Return Values
Returns NOERROR.
Requirements
DirectShow applications and DirectShow filters have different include file and link library requirements.
For more information, see Setting Up the Build Environment.
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
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