stretch pacing if timer resolution is low (#249)

mafintosh · web-flow · commit deb8a6a072e3 · 2025-04-05T13:55:03.000+02:00
diff --git a/src/udx.c b/src/udx.c
@@ -1563,7 +1563,8 @@ update_pacing_time (udx_stream_t *stream) {
   uint64_t now = uv_now(stream->udx->loop); // 1ms granularity
 
   if (now > stream->tb_last_refill_ms) {
-    stream->tb_available = UDX_PACING_BYTES_PER_MILLISECOND;
+    uint64_t factor = now - stream->tb_last_refill_ms;
+    stream->tb_available = factor * UDX_PACING_BYTES_PER_MILLISECOND;
     stream->tb_last_refill_ms = now;
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -1563,7 +1563,8 @@ update_pacing_time (udx_stream_t *stream) {`
`1563`	`1563`	`uint64_t now = uv_now(stream->udx->loop); // 1ms granularity`
`1564`	`1564`
`1565`	`1565`	`if (now > stream->tb_last_refill_ms) {`
`1566`		`- stream->tb_available = UDX_PACING_BYTES_PER_MILLISECOND;`
	`1566`	`+ uint64_t factor = now - stream->tb_last_refill_ms;`
	`1567`	`+ stream->tb_available = factor * UDX_PACING_BYTES_PER_MILLISECOND;`
`1567`	`1568`	`stream->tb_last_refill_ms = now;`
`1568`	`1569`	`}`
`1569`	`1570`	`}`