Advantech DVP-7410, Руководство пользователя

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hwnd
[out] Returned video handle.
Return Value
E_FAIL:
Failure.
S_OK: Success.
E_ACCESSDENIED : This interface is not initialized.
E_INVALIDARG : *hwnd argument is invalid.
Remarks
The video window is owned and maintained by the Navigator Control interface
and therefore the caller must not attempt to destroy it.
Adv_DVPAPI_GetVideoStandard
Syntax
HRESULT Adv_DVPAPI_GetVideoStandard(
LPVIDEO_STANDARD lpVidStd)
Description
Retrieves the video standard of the currently loaded file based on its source size
Parameters
lpVidStd
[out] Pointer to the standard used to create the currently
loaded file.
Return Value
E_FAIL:
Failure.
S_OK: Success.
E_ACCESSDENIED : This interface is not initialized.
E_INVALIDARG : lpVidStd argument is invalid.
Remarks
This method uses the video source size to determine the video standard,
therefore SECAM files are returned as VIDEO_STD_PAL. Files of widths
smaller than 120 pixels are returned as VIDEO_STD_UNKNOWN.
Adv_DVPAPI_GetFileInfo
Syntax
DVP-7410 User’s Manual
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