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FireSync API
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Increments the node software input counter.
Cameras have the ability to track and report input events that have occurred since the previous camera frame. The type of event to be tracked is specified individually for each camera via the kCamera_SetInputCounterSource method. Cameras with an input counter source of type kCAMERA_INPUT_COUNTER_SOURCE_SOFTWARE will track changes to the node's software input counter. The software input counter can be incremented by calling this method.
Input counter changes are reported in camera message stamps. The InputCounter bits within the kStamp.status field reflect the number of events recorded since the previous camera frame (or since acquisition start, for the first frame). The reported event count is limited by the number of available stamp status bits (as of this writing, 2). If the number of events exceeds the available bits, the reported count will saturate.
Software input counters are sampled when camera messages are processed by camera drivers rather than at frame acquisition time. As such, software input counter sample timing is somewhat less deterministic than hardware input counter sample timing.
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