[alsa-devel] [PATCH] alsa-libs: use CLOCK_REALTIME for non-monotonic ts

[Olivier Langlois]

gettimeofday() is the same than clock_gettime(CLOCK_REALTIME)
except for the loss of precision and the double unnecessary
conversion timespec <-> timeval.

Signed-off-by: Olivier Langlois <olivier at trillion01.com>
---
 src/pcm/pcm_local.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/pcm/pcm_local.h b/src/pcm/pcm_local.h
index e1c0baa..8a6c743 100644
--- a/src/pcm/pcm_local.h
+++ b/src/pcm/pcm_local.h
@@ -961,17 +961,21 @@ typedef union snd_tmp_double {
 /* get the current timestamp */
 static inline void gettimestamp(snd_htimestamp_t *tstamp, int monotonic)
 {
-#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+#if defined(HAVE_CLOCK_GETTIME)
+#if defined(CLOCK_MONOTONIC)
 	if (monotonic) {
 		clock_gettime(CLOCK_MONOTONIC, tstamp);
 	} else {
 #endif
+		clock_gettime(CLOCK_REALTIME, tstamp);
+#else
 		struct timeval tv;
 
 		gettimeofday(&tv, 0);
 		tstamp->tv_sec = tv.tv_sec;
 		tstamp->tv_nsec = tv.tv_usec * 1000L;
-#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_MONOTONIC)
+#endif
+#if defined(HAVE_CLOCK_GETTIME)
 	}
 #endif
 }
-- 
1.8.5.3