From 14c0ab970a30642ba8fb47d13be0b2e16e3d81be Mon Sep 17 00:00:00 2001
From: Alexandre Ratchov <alex@caoua.org>
Date: Tue, 31 Dec 2013 13:14:01 +0100
Subject: [PATCH] drop blocks and insert silence in the socket tx/rx code path

---
 sndiod/dev.c | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/sndiod/dev.c b/sndiod/dev.c
index af97702..632ce9d 100644
--- a/sndiod/dev.c
+++ b/sndiod/dev.c
@@ -1971,6 +1971,8 @@ slot_stop(struct slot *s)
 void
 slot_write(struct slot *s)
 {
+	int drop;
+
 	if (s->pstate == SLOT_START && s->mix.buf.used == s->mix.buf.len) {
 #ifdef DEBUG
 		if (log_level >= 4) {
@@ -1981,6 +1983,18 @@ slot_write(struct slot *s)
 		s->pstate = SLOT_READY;
 		slot_ready(s);
 	}
+	drop = s->mix.drop;
+	slot_mix_drop(s);
+	while (drop > s->mix.drop) {
+#ifdef DEBUG
+		if (log_level >= 4) {
+			slot_log(s);
+			log_puts(": catching play block\n");
+		}
+#endif
+		s->ops->fill(s->arg);
+		drop--;
+	}
 }
 
 /*
@@ -1989,5 +2003,18 @@ slot_write(struct slot *s)
 void
 slot_read(struct slot *s)
 {
-	/* nothing yet */
+	int sil;
+
+	sil = s->sub.silence;
+	slot_sub_sil(s);
+	while (sil > s->sub.silence) {
+#ifdef DEBUG
+		if (log_level >= 4) {
+			slot_log(s);
+			log_puts(": catching rec block\n");
+		}
+#endif
+		s->ops->flush(s->arg);
+		sil--;
+	}
 }