gavltime.h
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00029 #define GAVL_TIME_SCALE 1000000
00034 #define GAVL_TIME_UNDEFINED 0x8000000000000000LL
00037 #define GAVL_TIME_MAX 0x7fffffffffffffffLL
00044 typedef int64_t gavl_time_t;
00045
00046
00047
00053 gavl_time_t gavl_samples_to_time(int samplerate, int64_t samples);
00054
00063 int64_t gavl_time_to_samples(int samplerate, gavl_time_t time);
00064
00070 gavl_time_t gavl_frames_to_time(int rate_num, int rate_den, int64_t frames);
00071
00072
00082 int64_t gavl_time_to_frames(int rate_num, int rate_den, gavl_time_t time);
00083
00092 int64_t gavl_time_scale(int scale, gavl_time_t time);
00093
00102 gavl_time_t gavl_time_unscale(int scale, int64_t time);
00103
00113 int64_t gavl_time_rescale(int scale1, int scale2, int64_t time);
00114
00121 #define gavl_seconds_to_time(s) (gavl_time_t)((s)*(double)(GAVL_TIME_SCALE))
00122
00129 #define gavl_time_to_seconds(t) ((double)(t)/(double)(GAVL_TIME_SCALE))
00130
00136 void gavl_time_delay(gavl_time_t * time);
00137
00142 #define GAVL_TIME_STRING_LEN 11
00143
00153 void
00154 gavl_time_prettyprint(gavl_time_t time, char str[GAVL_TIME_STRING_LEN]);
00155
00156
00157
00158
00159
00160 int gavl_time_parse(const char * str, gavl_time_t * ret);
00161
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00179 typedef struct gavl_timer_s gavl_timer_t;
00180
00186 gavl_timer_t * gavl_timer_create();
00187
00195 void gavl_timer_destroy(gavl_timer_t * timer);
00196
00202 void gavl_timer_start(gavl_timer_t * timer);
00203
00209 void gavl_timer_stop(gavl_timer_t * timer);
00210
00217 gavl_time_t gavl_timer_get(gavl_timer_t * timer);
00218
00225 void gavl_timer_set(gavl_timer_t * timer, gavl_time_t t);