- if (is->paused) {
- return is->external_clock;
- } else {
- double time = av_gettime() / 1000000.0;
- return is->external_clock_drift + time - (time - is->external_clock_time / 1000000.0) * (1.0 - is->external_clock_speed);
- }
+ double time = av_gettime() / 1000000.0;
+ set_clock_at(c, pts, serial, time);
+}
+
+static void set_clock_speed(Clock *c, double speed)
+{
+ set_clock(c, get_clock(c), c->serial);
+ c->speed = speed;
+}
+
+static void init_clock(Clock *c, int *queue_serial)
+{
+ c->speed = 1.0;
+ c->paused = 0;
+ c->queue_serial = queue_serial;
+ set_clock(c, NAN, -1);
+}
+
+static void sync_clock_to_slave(Clock *c, Clock *slave)
+{
+ double clock = get_clock(c);
+ double slave_clock = get_clock(slave);
+ if (!isnan(slave_clock) && (isnan(clock) || fabs(clock - slave_clock) > AV_NOSYNC_THRESHOLD))
+ set_clock(c, slave_clock, slave->serial);