From: Andre Noll <maan@systemlinux.org>
Date: Thu, 5 Nov 2009 21:21:38 +0000 (+0100)
Subject: oss_pre_select(): Fix check for empty infput buffer.
X-Git-Tag: v0.4.0~5^2~2
X-Git-Url: http://git.tuebingen.mpg.de/?a=commitdiff_plain;h=37c49eac5be8587bcbf2257553e28d2ee8628e14;p=paraslash.git

oss_pre_select(): Fix check for empty infput buffer.

We must take into account the number of bytes already written, and we can not write less
than a single frame.
---

diff --git a/oss_write.c b/oss_write.c
index 6a55005e..d8b571b6 100644
--- a/oss_write.c
+++ b/oss_write.c
@@ -47,7 +47,7 @@ static int oss_pre_select(struct sched *s, struct writer_node *wn)
 	struct private_oss_write_data *powd = wn->private_data;
 	struct writer_node_group *wng = wn->wng;
 
-	if (!*wng->loaded)
+	if (*wng->loaded - wn->written < powd->bytes_per_frame)
 		return 0;
 	para_fd_set(powd->fd, &s->wfds, &s->max_fileno);
 	return 1;