Oops... fixed the averaging in the syncer
This commit is contained in:
parent
0a37b85cad
commit
cafcde77cc
|
@ -31,22 +31,19 @@ pub struct APTSyncer<'a> {
|
|||
state: [f32; SYNC_LENGHT],
|
||||
pos : usize,
|
||||
nones_read: usize,
|
||||
max_level : f32,
|
||||
min_level: f32,
|
||||
avg_level : f32,
|
||||
iterator: Box<Iterator<Item=f32> + 'a>
|
||||
}
|
||||
|
||||
impl<'a> APTSyncer<'a> {
|
||||
pub fn from<I>(mut iterator: I) -> APTSyncer<'a> where I: Iterator<Item=f32> + 'a {
|
||||
let mut state = [0.0; SYNC_LENGHT];
|
||||
let mut max_level = 0.0;
|
||||
let mut min_level = 1.0;
|
||||
let mut avg_level = 0.5;
|
||||
for i in 0..SYNC_LENGHT {
|
||||
match iterator.next() {
|
||||
Some(x) => {
|
||||
state[i] = x;
|
||||
max_level = 0.25 * x + max_level * 0.75;
|
||||
min_level = 0.25 * x + min_level * 0.75;
|
||||
avg_level = 0.25 * x + avg_level * 0.75;
|
||||
},
|
||||
None => panic!("Could not retrieve enough samples to prime syncer")
|
||||
}
|
||||
|
@ -56,8 +53,7 @@ impl<'a> APTSyncer<'a> {
|
|||
state: state,
|
||||
pos: 0,
|
||||
nones_read: 0,
|
||||
max_level: max_level,
|
||||
min_level: min_level,
|
||||
avg_level: avg_level,
|
||||
iterator: Box::new(iterator)
|
||||
}
|
||||
}
|
||||
|
@ -68,7 +64,7 @@ impl<'a> APTSyncer<'a> {
|
|||
|
||||
for i in 0..SYNC_LENGHT {
|
||||
let sync_pos = (self.pos + i) % SYNC_LENGHT;
|
||||
let sample = (self.state[sync_pos] - self.min_level) / (self.max_level - self.min_level);
|
||||
let sample = self.state[sync_pos] / (self.avg_level * 2.0);
|
||||
if (sample > 0.5 && SYNCA_SEQ[i]) || (sample <= 0.5 && !SYNCA_SEQ[i]) {
|
||||
count_a += 1;
|
||||
}
|
||||
|
@ -98,8 +94,7 @@ impl<'a> Iterator for APTSyncer<'a> {
|
|||
match self.iterator.next() {
|
||||
Some(x) => {
|
||||
self.state[self.pos] = x;
|
||||
self.max_level = 0.25 * x + self.max_level * 0.75;
|
||||
self.min_level = 0.25 * x + self.min_level * 0.75;
|
||||
self.avg_level = 0.25 * x + self.avg_level * 0.75;
|
||||
},
|
||||
None => self.nones_read += 1
|
||||
};
|
||||
|
|
Loading…
Reference in New Issue