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# FALCON/EAGLE user manual 4.62

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is_SetDecimationMode | Scroll Previous Top Next More

Syntax

INT is_SetDecimationMode (HIDS hf, INT nMode, INT nDecimate)

Description

is_SetDecimationMode() sets the number n of frames or fields which should be thrown away (PAL: n of 25 frames/50 fields; NTSC: n of 30 frames/60 fields). The unused frames or fields are not transferred over the PCI bus which gives a reduction of PCI load.

Parameters

hf | Frame grabber handle
NMode |
IS_DECIMATION_OFF | Switch off the decimation mode
IS_DECIMATION_CONSECUTIVE | Leave out the number of frames/fields contiguously.
IS_DECIMATION_DISTRIBUTED | The thrown away frames/fields are spread in a constant way over the 25 frames/50 fields.
IS_GET_DECIMATION_MODE | Returns the current decimation mode
IS_GET_DECIMATION_NUMBER | Returns the number of frames/fields
NDecimate |
Frames Fields | 1…25 (NTSC : 0…30) 1…50 (NTSC : 1…60)

Return value

Current setting with IS_GET_DECIMATION_MODE and IS_GET_DECIMATION_NUMBER, else IS_SUCCESS or IS_NO_SUCCESS.

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