Produce whole sound with lagging artifact

Author: Cuda-Chen

virtio-snd.c

@@ -859,8 +859,8 @@ static void __virtio_snd_frame_enqueue(void *payload,
 
     uint32_t buffer_bytes = props->pp.buffer_bytes;
     if (mask + cons_tail - prod_next >= buffer_bytes) {
-        fprintf(stderr, "buffer ready for %" PRIu32 "\n",
-                mask + cons_tail - prod_next);
+        fprintf(stderr, "buffer ready for %" PRIu32 " cons_tail %" PRIu32 " prod_next %" PRIu32 "\n",
+                mask + cons_tail - prod_next, cons_tail, prod_next);
         props->ring.buf_ev_notity++;
         pthread_cond_signal(&props->ring.readable);
     }