54 #if !defined(_SPANDSP_LINE_MODEL_H_)
55 #define _SPANDSP_LINE_MODEL_H_
57 #define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
60 #define LINE_FILTER_SIZE 129
75 float near_buf[LINE_FILTER_SIZE];
86 int16_t bulk_delay_buf[8000];
93 float far_buf[LINE_FILTER_SIZE];
133 SPAN_DECLARE_DATA
extern const float *line_models[];
137 const int16_t input1[],
139 const int16_t input2[],
148 float echo_level_cpe1,
149 float echo_level_co1,
152 float echo_level_cpe2,
153 float echo_level_co2,
161 const int16_t input[],