dranke/microw8
1
0
Fork 0
mirror of https://github.com/exoticorn/microw8.git synced 2026-01-20 19:26:43 +01:00
Code Issues Projects Releases Wiki Activity

clamp snd samples into valid -1.0..1.0 range

Browse Source
This commit is contained in:
Dennis Ranke
2023-08-23 00:20:35 +02:00
parent 09e4fcbf14
commit 77b2e27346
3 changed files with 17 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/run_native.rs
View File

@@ -423,6 +423,14 @@ fn init_sound(
mem[64..68].copy_from_slice(&current_time.to_le_bytes());
}
fn clamp_sample(s: f32) -> f32 {
if s.is_nan() {
0.0
} else {
s.max(-1.0).min(1.0)
}
}
if let Some(ref mut resampler) = resampler {
while !buffer.is_empty() {
let copy_size = resampler.output_buffers[0]
@@ -433,10 +441,12 @@ fn init_sound(
resampler.input_buffers[0].clear();
resampler.input_buffers[1].clear();
for _ in 0..resampler.resampler.input_frames_next() {
resampler.input_buffers[0]
.push(snd.call(&mut store, (sample_index,)).unwrap_or(0.0));
resampler.input_buffers[1]
.push(snd.call(&mut store, (sample_index + 1,)).unwrap_or(0.0));
resampler.input_buffers[0].push(clamp_sample(
snd.call(&mut store, (sample_index,)).unwrap_or(0.0),
));
resampler.input_buffers[1].push(clamp_sample(
snd.call(&mut store, (sample_index + 1,)).unwrap_or(0.0),
));
sample_index = sample_index.wrapping_add(2);
}
@@ -462,7 +472,7 @@ fn init_sound(
}
} else {
for v in buffer {
*v = snd.call(&mut store, (sample_index,)).unwrap_or(0.0);
*v = clamp_sample(snd.call(&mut store, (sample_index,)).unwrap_or(0.0));
sample_index = sample_index.wrapping_add(1);
}
}