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[fix](trx-rs): fix FT4 7.5s slot rollover timing

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Use millisecond-based slot indexing for FT4 decode windows in\nforeground and background decoders to avoid premature 7s resets.\n\nCo-authored-by: OpenAI Codex <codex@openai.com>

Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
This commit is contained in:
Stan Grams
2026-03-14 21:50:26 +01:00
parent cededd9c3f
commit 7c08e12870
1 changed files with 9 additions and 8 deletions
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src/trx-server/src/audio.rs
+9 -8
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@@ -1811,12 +1811,12 @@ pub async fn run_ft4_decoder(
recv = pcm_rx.recv() => {
match recv {
Ok(frame) => {
let now = match std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH) {
Ok(dur) => dur.as_secs() as i64,
let now_ms = match std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH) {
Ok(dur) => dur.as_millis() as i64,
Err(_) => 0,
};
// FT4 slot period is 7.5s; use now * 2 / 15 for integer slot index
let slot = now * 2 / 15;
// FT4 slot period is 7.5s
let slot = now_ms / 7_500;
if slot != last_slot {
last_slot = slot;
decoder.reset();
@@ -2426,13 +2426,14 @@ async fn run_background_ft4_decoder(
loop {
match pcm_rx.recv().await {
Ok(frame) => {
let now = match std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH)
let now_ms =
match std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH)
{
Ok(dur) => dur.as_secs() as i64,
Ok(dur) => dur.as_millis() as i64,
Err(_) => 0,
};
// FT4 slot period is 7.5s; use now * 2 / 15 for integer slot index
let slot = now * 2 / 15;
// FT4 slot period is 7.5s
let slot = now_ms / 7_500;
if slot != last_slot {
last_slot = slot;
decoder.reset();