Sensoray 2251 Rev.A Manual do Utilizador descarregar pdf (Página 18)

number of assigned video stream.

Returns

0 on success, negative value if error (see mid2250types.h for error codes list).

MID2250_API int SN_PlaybackSetRate(

double drate,

int vidnum,

);

Changes playback speed.

Parameters

drate

a double specifying playback speed. 0.5 corresponds to half of normal speed, 2.0 - double

the normal speed. Minimum speed is 0.5.

vidnum

number of assigned video stream.

Returns

0 on success, negative value if error (see mid2250types.h for error codes list).

MID2250_API int SN_PlaybackSetSeekPosition(

int percent,

int range,

int vidnum

);

Seeks the position in the file being played back. The position is calculated as file_size * percent /

range.

Parameters

percent

a numerator of the position in the file expressed as a fraction of a total file size.

range

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 47 48

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Sensoray 2251 Rev.A Manual do Utilizador Página 18