[PATCH 4/5] qv4l2: fix a bug where the alsa thread never stops

["Bård Eirik Winther" <bwinther@cisco.com>]

If the output audio device never read the buffer then the alsa thread
would continue to fill it up and never stop when the capture stops.

Signed-off-by: Bård Eirik Winther <bwinther@cisco.com>
---
 utils/qv4l2/alsa_stream.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/qv4l2/alsa_stream.c b/utils/qv4l2/alsa_stream.c
index 90d3afb..43ecda3 100644
--- a/utils/qv4l2/alsa_stream.c
+++ b/utils/qv4l2/alsa_stream.c
@@ -436,7 +436,7 @@ static snd_pcm_sframes_t writebuf(snd_pcm_t *handle, char *buf, long len)
 {
     snd_pcm_sframes_t r;
 
-    while (1) {
+    while (!stop_alsa) {
 	r = snd_pcm_writei(handle, buf, len);
 	if (r == len)
 	    return 0;
-- 
1.8.3.2