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typedef struct xtract_last_n_state_ | xtract_last_n_state |
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xtract_last_n_state * | xtract_last_n_state_new (size_t capacity) |
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void | xtract_last_n_state_delete (xtract_last_n_state *last_n_state) |
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| int | xtract_last_n (const xtract_last_n_state *state, const double *data, const int N, const void *argv, double *result) |
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Functions that extract a feature over multiple frames
| int xtract_last_n |
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const xtract_last_n_state * |
state, |
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const double * |
data, |
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const int |
N, |
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const void * |
argv, |
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double * |
result |
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Write a vector of the last N input values to result
- Parameters
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| state | a pointer to an xtract_peak_picker_state struct as allocated by xtract_peak_picker_state_new() |
| data | a pointer to a double representing the current input value |
| N | an integer representing 'N' the number of values to be written to *result |
| argv | a pointer to NULL |
| result | a pointer to an array of doubles representing the last N values, where the nth value is the current one. The array must have been allocated to size N elements and initialised by the caller |
