1 typedef struct af_data_s {
3 typedef struct af_info_s {
9 int (*open) (struct af_instance_s * vf);
11 typedef struct af_instance_s {
12 af_data_t *(*play) (struct af_instance_s * af, af_data_t * data);
15 typedef struct af_volume_s {
23 static void method2_int16(af_volnorm_t * s, af_data_t * c)
27 for (i = 0; i < 128; i++)
28 avg += s->mem[i].avg * (float)s->mem[i].len;
29 s->mul = s->mid_s16 / avg;
31 static af_data_t *play(struct af_instance_s *af, af_data_t * data)
33 af_volnorm_t *s = af->setup;
34 method2_int16(s, data);
36 static int af_open(af_instance_t * af)
41 af_info_t af_info_volnorm = {
42 "Volume normalizer filter", "volnorm",
43 "Alex Beregszaszi & Pierre Lombard", "", 0x00000001, af_open