core: use vlc_tick_from_samples()

src/audio_output/dec.c

@@ -352,8 +352,8 @@ int aout_DecPlay(audio_output_t *aout, block_t *block)
 
     assert (block->i_pts != VLC_TICK_INVALID);
 
-    block->i_length = CLOCK_FREQ * block->i_nb_samples
-                                 / owner->input_format.i_rate;
+    block->i_length = vlc_tick_from_samples( block->i_nb_samples,
+                                   owner->input_format.i_rate );
 
     int ret = aout_CheckReady (aout);
     if (unlikely(ret == AOUT_DEC_FAILED))

src/stream_output/sap.c

@@ -153,7 +153,7 @@ noreturn static void *RunThread (void *self)
         for (p_session = addr->first; p_session; p_session = p_session->next)
         {
             send (addr->fd, p_session->data, p_session->length, 0);
-            deadline += addr->interval * CLOCK_FREQ / addr->session_count;
+            deadline += vlc_tick_from_samples(addr->interval, addr->session_count);
 
             if (vlc_cond_timedwait (&addr->wait, &addr->lock, deadline) == 0)
                 break; /* list may have changed! */