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/* this typedef goes here because it is needed by multiseq.c */
typedef struct add_susp_struct {
snd_susp_node susp;
boolean started;
int terminate_bits;
long terminate_cnt;
int logical_stop_bits;
boolean logically_stopped;
sound_type s1;
long s1_cnt;
sample_block_type s1_bptr; /* block pointer */
sample_block_values_type s1_ptr;
sound_type s2;
long s2_cnt;
sample_block_type s2_bptr; /* block pointer */
sample_block_values_type s2_ptr;
#ifdef UPSAMPLECODE
/* support for interpolation of s2 */
sample_type s2_x1_sample;
double s2_phase;
double s2_phase_incr;
/* support for ramp between samples of s2 */
double output_per_s2;
#endif
/* pointer used to synchronize adds in multiseq */
struct multiseq_struct *multiseq;
long s1_prepend; /* offset to susp.current */
} add_susp_node, *add_susp_type;
sound_type snd_make_add();
sound_type snd_add();
/* LISP: (SND-ADD SOUND SOUND) */
/* we export these for seq.c and multiseq.c */
void add_zero_fill_nn_fetch(add_susp_type susp, snd_list_type snd_list);
void add_s1_s2_nn_fetch(add_susp_type susp, snd_list_type snd_list);
void add_s2_nn_fetch(add_susp_type susp, snd_list_type snd_list);
void add_s1_nn_fetch(add_susp_type susp, snd_list_type snd_list);
void add_mark(add_susp_type susp);
void add_print_tree(add_susp_type susp, int n);
void add_free(add_susp_type susp);
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