Sensoray 2224 Windows Manuel d'utilisateur télécharger pdf (Page 45)

MID2226_API int S2226_TestDecodeDone(

HANDLE hdev

);

If message received, tests if decode was finished in the driver. This is NOT, however, when decode

stops on the codec chip. It is only when the driver is finished with the data. A future update will

correct this limitation.

Because the data is compressed and there are buffers on the board, TestDecodeDone may be

early by a substantial amount.

Parameters

hdev

handle to device (obtained from S2226_OpenBoard).

Returns

0 on success, negative value if error (see mid2226types.h for error codes list).

MID2226_API int S2226_SetPreviewType(

MID2226_PREVIEWTYPE type,

HANDLE hdev

);

Sets the preview type (on the host computer, NOT the 2226 physical outputs). Raw preview is

downscaled to 320x240 or 640x480 resolution to meet USB2.0 bandwith requirements (combined

with the MPEG stream).

Parameters

type

Preview type (raw or decoded MPEG stream)

hdev

handle to device (obtained from S2226_OpenBoard).

Returns

0 on success, negative value if error (see mid2226types.h for error codes list).

MID2226_API int S2226_StartPreview(

HWND hwnd,

HANDLE hdev

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Sensoray 2224 Windows Manuel d'utilisateur Page 45