30   struct v27 *vp = p;  in init_viterbi27_port()  local
36     vp->metrics1.w[i] = 63;  in init_viterbi27_port()
38   vp->old_metrics = &vp->metrics1;  in init_viterbi27_port()
39   vp->new_metrics = &vp->metrics2;  in init_viterbi27_port()
40   vp->dp = vp->decisions;  in init_viterbi27_port()
41   vp->old_metrics->w[starting_state & 63] = 0; /* Bias known start state */  in init_viterbi27_port()
57   struct v27 *vp;  in create_viterbi27_port()  local
63   if((vp = malloc(sizeof(struct v27))) == NULL)  in create_viterbi27_port()
65   if((vp->decisions = malloc((len+6)*sizeof(decision_t))) == NULL){  in create_viterbi27_port()
66     free(vp);  in create_viterbi27_port()
69   init_viterbi27_port(vp,0);  in create_viterbi27_port()
71   return vp;  in create_viterbi27_port()
80   struct v27 *vp = p;  in chainback_viterbi27_port()  local
85   d = vp->decisions;  in chainback_viterbi27_port()
108   struct v27 *vp = p;  in delete_viterbi27_port()  local
110   if(vp != NULL){  in delete_viterbi27_port()
111     free(vp->decisions);  in delete_viterbi27_port()
112     free(vp);  in delete_viterbi27_port()
120     m0 = vp->old_metrics->w[i] + metric;\
121     m1 = vp->old_metrics->w[i+32] + (510 - metric);\
123     vp->new_metrics->w[2*i] = decision ? m1 : m0;\
128     vp->new_metrics->w[2*i+1] = decision ? m1 : m0;\
137   struct v27 *vp = p;  in update_viterbi27_blk_port()  local
143   d = (decision_t *)vp->dp;  in update_viterbi27_blk_port()
185     tmp = vp->old_metrics;  in update_viterbi27_blk_port()
186     vp->old_metrics = vp->new_metrics;  in update_viterbi27_blk_port()
187     vp->new_metrics = tmp;  in update_viterbi27_blk_port()
189   vp->dp = d;  in update_viterbi27_blk_port()