diff options
Diffstat (limited to 'video')
| -rw-r--r-- | video/out/vo.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/video/out/vo.c b/video/out/vo.c index 9f6e44a744..edde793cbf 100644 --- a/video/out/vo.c +++ b/video/out/vo.c @@ -561,6 +561,22 @@ void vo_wait_frame(struct vo *vo) pthread_mutex_unlock(&in->lock); } +// Wait until realtime is >= ts +// called without lock +static void wait_until(struct vo *vo, int64_t target) +{ + struct vo_internal *in = vo->in; + struct timespec ts = mp_time_us_to_timespec(target); + while (1) { + int64_t now = mp_time_us(); + if (target <= now) + break; + pthread_mutex_lock(&in->lock); + pthread_cond_timedwait(&in->wakeup, &in->lock, &ts); + pthread_mutex_unlock(&in->lock); + } +} + // needs lock static int64_t prev_sync(struct vo *vo, int64_t ts) { @@ -672,12 +688,7 @@ static bool render_frame(struct vo *vo) vo->driver->draw_image(vo, img); } - while (1) { - int64_t now = mp_time_us(); - if (target <= now) - break; - mp_sleep_us(target - now); - } + wait_until(vo, target); bool drop = false; if (vo->driver->flip_page_timed) |