From c6291156428e8cf7844e057ba30fab9410e13a36 Mon Sep 17 00:00:00 2001
From: David Rowe <david@rowetel.com>
Date: Sun, 9 Aug 2020 13:06:53 +0930
Subject: [PATCH] flush output bits immediately to stop pause in BER reports

---
 src/rtl_fsk.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rtl_fsk.c b/src/rtl_fsk.c
index 01860cf..37ea103 100644
--- a/src/rtl_fsk.c
+++ b/src/rtl_fsk.c
@@ -174,7 +174,8 @@ static void rtlsdr_callback(unsigned char *buf, uint32_t len, void *ctx)
 			fprintf(stderr, "Short write, bits lost, exiting!\n");
 			rtlsdr_cancel_async(dev);
                     }
-                    
+                    if((FILE*)ctx == stdout) fflush((FILE*)ctx);
+
                     if (dashboard) {
                         /* update buffer of timing samples */
                         if (norm_rx_timing_log_index < NORM_RX_TIMING_LOG_SZ)