es_out: use vlc_input_decoder_IsDrained() when applicable

src/input/es_out.c

@@ -3090,8 +3090,8 @@ EsOutDrainDecoder(es_out_sys_t *p_sys, es_out_id_t *es, bool wait)
      * bit too long if the ES is deleted in the middle of a stream. */
     while( !input_Stopped(p_sys->p_input) && !p_sys->b_buffering )
     {
-        if( vlc_input_decoder_IsEmpty( es->p_dec ) &&
-            ( !es->p_dec_record || vlc_input_decoder_IsEmpty( es->p_dec_record ) ))
+        if( vlc_input_decoder_IsDrained( es->p_dec ) &&
+            ( !es->p_dec_record || vlc_input_decoder_IsDrained( es->p_dec_record ) ))
             break;
         /* FIXME there should be a way to have auto deleted es, but there will be
          * a problem when another codec of the same type is created (mainly video) */

src/input/test/es_out.c

@@ -138,12 +138,17 @@ void vlc_input_decoder_StopWait(vlc_input_decoder_t *owner)
     owner->started = true;
 }
 
-bool vlc_input_decoder_IsEmpty(vlc_input_decoder_t *owner)
+bool vlc_input_decoder_IsDrained(vlc_input_decoder_t *owner)
 {
     (void)owner;
     return owner->drained;
 }
 
+bool vlc_input_decoder_IsEmpty(vlc_input_decoder_t *owner)
+{
+    return vlc_input_decoder_IsDrained(owner);
+}
+
 void vlc_input_decoder_DecodeWithStatus(
     vlc_input_decoder_t *owner,
     vlc_frame_t *frame,