main: WiP: Calculate delay based on rtt and jitter

2023-10-01 22:13:12 +00:00 · 2023-10-01 22:13:12 +00:00 · 54fe96741b
parent 4d24c5936e
commit 54fe96741b
1 changed files with 7 additions and 2 deletions
--- a/src/main.c
+++ b/src/main.c
@ -784,8 +784,13 @@ static int32_t abs32(int32_t v)

 static struct buffer* choose_frame(struct window* w)
 {
-	// TODO: Base this on jitter:
-	int32_t delay = 100000; // µs
+	int32_t delay = 0;
+
+	struct ntp_sample best_sample;
+	if (ntp_client_get_best_sample(&ntp, &best_sample)) {
+		// Half rtt + jitter
+		delay = ntp_client_get_jitter(&ntp) + best_sample.theta / 2;
+	}

 	int32_t now_us = gettime_us();