conv_acc_generic.c File Reference

Accelerated Viterbi decoder implementation for generic architectures without SSE support. More...

#include <stdlib.h>
#include <stdint.h>
#include <string.h>

Functions
static void	acs_butterfly (int state, int num_states, int16_t metric, int16_t *sum, int16_t *new_sum, int16_t *path)
static void	gen_branch_metrics_n2 (int num_states, const int8_t *seq, const int16_t *out, int16_t *metrics)
static void	gen_branch_metrics_n3 (int num_states, const int8_t *seq, const int16_t *out, int16_t *metrics)
static void	gen_branch_metrics_n4 (int num_states, const int8_t *seq, const int16_t *out, int16_t *metrics)
static void	gen_path_metrics (int num_states, int16_t *sums, int16_t *metrics, int16_t *paths, int norm)
	__attribute__ ((visibility("hidden")))

Detailed Description

Accelerated Viterbi decoder implementation for generic architectures without SSE support.

Function Documentation

__attribute__()

__attribute__

(

(visibility("hidden"))

)

References n.

acs_butterfly()

static void acs_butterfly ( int  state, int  num_states, int16_t  metric, int16_t *  sum, int16_t *  new_sum, int16_t *  path  )

static

Referenced by gen_path_metrics().

gen_branch_metrics_n2()

static void gen_branch_metrics_n2 ( int  num_states, const int8_t *  seq, const int16_t *  out, int16_t *  metrics  )

static

gen_branch_metrics_n3()

static void gen_branch_metrics_n3 ( int  num_states, const int8_t *  seq, const int16_t *  out, int16_t *  metrics  )

static

gen_branch_metrics_n4()

static void gen_branch_metrics_n4 ( int  num_states, const int8_t *  seq, const int16_t *  out, int16_t *  metrics  )

static

gen_path_metrics()

static void gen_path_metrics ( int  num_states, int16_t *  sums, int16_t *  metrics, int16_t *  paths, int  norm  )

static

References acs_butterfly().