Disable PCM output debug

Author: Cuda-Chen

virtio-snd.c

@@ -2,8 +2,8 @@
 #include <math.h>
 #include <pthread.h>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
+#include <string.h>
 #define CNFA_IMPLEMENTATION
 #include "CNFA_sf.h"
 
@@ -13,6 +13,8 @@
 #include "utils.h"
 #include "virtio.h"
 
+#define WRITEOUT 0
+
 #define VSND_DEV_CNT_MAX 1
 
 #define VSND_QUEUE_NUM_MAX 1024
@@ -21,7 +23,9 @@
 #define PRIV(x) ((virtio_snd_config_t *) x->priv)
 
 #define VSND_CNFA_FRAME_SZ 2
+#if WRITEOUT
 FILE *outfile;
+#endif
 enum {
     VSND_QUEUE_CTRL = 0,
     VSND_QUEUE_EVT = 1,
@@ -562,7 +566,9 @@ static void virtio_snd_read_pcm_prepare(const virtio_snd_pcm_hdr_t *query,
     pthread_cond_init(&props->ring.readable, NULL);
     pthread_cond_init(&props->ring.writable, NULL);
     INIT_LIST_HEAD(&props->buf_queue_head);
+#if WRITEOUT
     outfile = fopen("out_enque.bin", "wb");
+#endif
 
     *plen = 0;
     fprintf(stderr, "virtio_snd_read_pcm_prepare\n");
@@ -636,7 +642,9 @@ static void virtio_snd_read_pcm_release(const virtio_snd_pcm_hdr_t *query,
     }
 
     props->pp.hdr.hdr.code = VIRTIO_SND_R_PCM_RELEASE;
+#if WRITEOUT
     fclose(outfile);
+#endif
     /* Tear down the PCM ring buffer. */
     free(props->ring.buffer);
     pthread_mutex_destroy(&props->ring.lock);
@@ -714,17 +722,14 @@ static void __virtio_snd_frame_dequeue(short *out,
     props->ring.cons.tail = cons_next;
 
     uint32_t len = 0;
-    while (
-            !list_empty(&props->buf_queue_head) &&
-            len < n) {
-    vsnd_buf_queue_node_t *node =
-        list_first_entry(&props->buf_queue_head, vsnd_buf_queue_node_t, q);
-    list_del(&node->q);
-    memcpy(out, node->addr, node->len);
-    len += node->len;
+    while (!list_empty(&props->buf_queue_head) && len < n) {
+        vsnd_buf_queue_node_t *node =
+            list_first_entry(&props->buf_queue_head, vsnd_buf_queue_node_t, q);
+        list_del(&node->q);
+        memcpy(out, node->addr, node->len);
+        len += node->len;
     }
 
-finally:
     props->ring.buf_ev_notity--;
     pthread_cond_signal(&props->ring.writable);
     pthread_mutex_unlock(&props->ring.lock);
@@ -925,7 +930,9 @@ static void __virtio_snd_frame_enqueue(void *payload,
     node->addr = payload;
     node->len = n;
     list_push(&node->q, &props->buf_queue_head);
+#if WRITEOUT
     fwrite(node->addr, sizeof(void), node->len, outfile);
+#endif
 
     uint32_t period_bytes = props->pp.period_bytes;
     if (prod_next - cons_tail >= period_bytes) {