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Add support for monotonic timestamps

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This commit is contained in:
Jaroslav Kysela 2008-01-09 11:13:34 +01:00
parent a73ad3f265
commit 309a274454
28 changed files with 77 additions and 25 deletions
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17
src/pcm/pcm_local.h
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@ -177,7 +177,8 @@ struct _snd_pcm {
int poll_fd_count;
int poll_fd;
unsigned short poll_events;
int setup;
int setup: 1,
monotonic: 1;
snd_pcm_access_t access; /* access mode */
snd_pcm_format_t format; /* SND_PCM_FORMAT_* */
snd_pcm_subformat_t subformat; /* subformat */
@ -940,11 +941,15 @@ typedef union snd_tmp_double {
} snd_tmp_double_t;
/* get the current timestamp */
static inline void gettimestamp(snd_htimestamp_t *tstamp)
static inline void gettimestamp(snd_htimestamp_t *tstamp, int monotonic)
{
struct timeval tv;
if (monotonic) {
clock_gettime(CLOCK_MONOTONIC, tstamp);
} else {
struct timeval tv;
gettimeofday(&tv, 0);
tstamp->tv_sec = tv.tv_sec;
tstamp->tv_nsec = tv.tv_usec * 1000L;
gettimeofday(&tv, 0);
tstamp->tv_sec = tv.tv_sec;
tstamp->tv_nsec = tv.tv_usec * 1000L;
}
}