Avoid waiting state when data are present. Reduce size of chunks from…

… recorder to 1024.

This improves responsiveness  and allows to have smaller chunks from recorder

nerd-dictation

@@ -96,7 +96,7 @@ def file_remove_if_exists(filepath: str) -> bool:
 
 
 def enqueue_output(vosk_out, queue):
-    for block in iter(partial(vosk_out.read, 16384), b""):
+    for block in iter(partial(vosk_out.read, 1024), b""):
         queue.put(block)
 
 
@@ -644,22 +644,21 @@ def text_from_vosk_pipe(
         # -1=cancel, 0=continue, 1=finish.
         code = exit_fn(handled_any)
 
-        if idle_time > 0.0:
-            # Subtract processing time from the previous loop.
-            # Skip idling in the event dictation can't keep up with the recording.
-            idle_time_curr = time.time()
-            idle_time_test = idle_time - (idle_time_curr - idle_time_prev)
-            if idle_time_test > 0.0:
-                # Prevents excessive processor load.
-                time.sleep(idle_time_test)
-                idle_time_prev = time.time()
-            else:
-                idle_time_prev = idle_time_curr
 
         try:
             data = vosk_queue.get_nowait()
         except Empty:
-            pass
+            if idle_time > 0.0:
+                # Subtract processing time from the previous loop.
+                # Skip idling in the event dictation can't keep up with the recording.
+                idle_time_curr = time.time()
+                idle_time_test = idle_time - (idle_time_curr - idle_time_prev)
+                if idle_time_test > 0.0:
+                    # Prevents excessive processor load.
+                    time.sleep(idle_time_test)
+                    idle_time_prev = time.time()
+                else:
+                    idle_time_prev = idle_time_curr
         else:
             ok = rec.AcceptWaveform(data)
             if ok: