__snd_timespec
struct __snd_timespec tstamp; /* Timestamp */
struct __snd_timespec audio_tstamp; /* from sample counter or wall clock */
struct __snd_timespec tstamp;
struct __snd_timespec audio_tstamp;
struct __snd_timespec tstamp; /* Timestamp */
struct __snd_timespec audio_tstamp; /* from sample counter or wall clock */