From: Andre Noll <maan@systemlinux.org>
Date: Thu, 5 Mar 2009 21:05:22 +0000 (+0100)
Subject: alsa_write: Handle EPIPE errors properly.
X-Git-Tag: v0.3.4~51
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=596d1d97f90854bd941db02f1353df8e1196ccc0;ds=inline

alsa_write: Handle EPIPE errors properly.

There's no need to throw away the data if a buffer underrun occurs.
Just try to write the same data again after the snd_pcm_prepare().
---

diff --git a/alsa_write.c b/alsa_write.c
index b10d5c62..f016e6ff 100644
--- a/alsa_write.c
+++ b/alsa_write.c
@@ -181,6 +181,8 @@ static int alsa_write_post_select(__a_unused struct sched *s,
 	if (ret == -EPIPE) {
 		PARA_WARNING_LOG("EPIPE\n");
 		snd_pcm_prepare(pad->handle);
+		/* try to write the same data again */
+		ret = snd_pcm_writei(pad->handle, data, frames);
 		return 1;
 	}
 	if (ret < 0 && ret != -EAGAIN) {