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player: don't enter playloop for client API requests

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This _actually_ does what commit 8716c2e8 promised, and gives a slight
performance improvement for client API users which make a lot of
requests (like reading properties).

The main issue was that mp_dispatch_lock() (which client.c uses to get
exclusive access to the core) still called the wakeup callback, which
made mp_dispatch_queue_process() exit. So the playloop got executed
again, and since it does a lot of stuff, performance could be reduced.
This commit is contained in:
wm4 2016-09-16 20:24:52 +02:00
parent 56616b0b01
commit 4395a4f837
2 changed files with 4 additions and 2 deletions
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4
misc/dispatch.c
View File

@ -122,6 +122,10 @@ static void mp_dispatch_append(struct mp_dispatch_queue *queue,
// Wake up the main thread; note that other threads might wait on this
// condition for reasons, so broadcast the condition.
pthread_cond_broadcast(&queue->cond);
// No wakeup callback -> assume mp_dispatch_queue_process() needs to be
// interrupted instead.
if (!queue->wakeup_fn)
queue->interrupted = true;
pthread_mutex_unlock(&queue->lock);
if (queue->wakeup_fn)
queue->wakeup_fn(queue->wakeup_ctx);

2
player/main.c
View File

@ -182,7 +182,6 @@ void mp_destroy(struct MPContext *mpctx)
cas_terminal_owner(mpctx, NULL);
}
mp_dispatch_set_wakeup_fn(mpctx->dispatch, NULL, NULL);
mp_input_uninit(mpctx->input);
uninit_libav(mpctx->global);
@ -356,7 +355,6 @@ struct MPContext *mp_create(void)
#endif
mp_input_set_cancel(mpctx->input, mpctx->playback_abort);
mp_dispatch_set_wakeup_fn(mpctx->dispatch, wakeup_playloop, mpctx);
return mpctx;
}