fill the opposite file to keep data in sync

diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index b945c542abffdd378d7a72c9beb8db8c2f71f020..e46ce46c39fe4575d228ebcbf21e1840d57503d7 100644 (file)
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -1090,12 +1090,19 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
        case SWITCH_ABC_TYPE_TAP_NATIVE_READ:
                {
                        rh->rready = 1;
+
+                       nframe = switch_core_media_bug_get_native_read_frame(bug);
+                       len = nframe->datalen;
                        
-                       if (rh->rready && rh->wready) {
+                       if (!rh->wready) {
+                               unsigned char fill_data[SWITCH_RECOMMENDED_BUFFER_SIZE] = {0};
+                               switch_size_t fill_len = len;
+
+                               switch_core_gen_encoded_silence(fill_data, &rh->read_impl, len);
+                               switch_core_file_write(&rh->out_fh, fill_data, &fill_len);
+                       } else {
                                switch_time_t now = switch_micro_time_now();
                                switch_time_t diff;
-                               nframe = switch_core_media_bug_get_native_read_frame(bug);
-                               len = nframe->datalen;
                                
                                if (rh->last_read_time && rh->last_read_time < now) {
                                        diff = ((now - rh->last_read_time) + 3000 ) / rh->read_impl.microseconds_per_packet;
@@ -1111,17 +1118,23 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
                                                }
                                        }
                                }
-                               
-                               switch_core_file_write(&rh->in_fh, mask ? null_data : nframe->data, &len);
-                               rh->last_read_time = now;
                        }
+
+                       switch_core_file_write(&rh->in_fh, mask ? null_data : nframe->data, &len);
+                       rh->last_read_time = now;
+                       
                }
                break;
        case SWITCH_ABC_TYPE_TAP_NATIVE_WRITE:
                {
                        rh->wready = 1;
                        
-                       if (rh->rready && rh->wready) {
+                       if (!rh->rready) {
+                               unsigned char fill_data[SWITCH_RECOMMENDED_BUFFER_SIZE] = {0};
+                               switch_size_t fill_len = len;
+                               switch_core_gen_encoded_silence(fill_data, &rh->read_impl, len);
+                               switch_core_file_write(&rh->in_fh, fill_data, &fill_len);
+                       } else {
                                switch_time_t now = switch_micro_time_now();
                                switch_time_t diff;
 
@@ -1143,10 +1156,11 @@ static switch_bool_t record_callback(switch_media_bug_t *bug, void *user_data, s
                                                }
                                        }
                                }
-                       
-                               switch_core_file_write(&rh->out_fh, mask ? null_data : nframe->data, &len);
-                               rh->last_write_time = now;
                        }
+
+                       switch_core_file_write(&rh->out_fh, mask ? null_data : nframe->data, &len);
+                       rh->last_write_time = now;
+                       
                }
                break;
        case SWITCH_ABC_TYPE_CLOSE: