From: c vw <dl1ycf@darc.de>
Date: Tue, 21 Apr 2020 12:11:15 +0000 (+0200)
Subject: Added a mutex for CW 'local' audio output, such that
X-Git-Url: https://git.rkrishnan.org/pf/content/reliability?a=commitdiff_plain;h=b836ad045f41800345bbf2b96de4213a2510085c;p=pihpsdr.git

Added a mutex for CW 'local' audio output, such that
audio_write and cw_audio_write are mutally exclusive.
---

diff --git a/portaudio.c b/portaudio.c
index 2ed083c..c9c77df 100644
--- a/portaudio.c
+++ b/portaudio.c
@@ -458,6 +458,7 @@ int cw_audio_write(float sample) {
   RECEIVER *rx = active_receiver;
   float *buffer = rx->local_audio_buffer;
 
+  g_mutex_lock(&rx->local_audio_mutex);
   if (rx->playback_handle != NULL && rx->local_audio_buffer != NULL) {
     buffer[rx->local_audio_buffer_offset++] = sample;
     if (rx->local_audio_buffer_offset == MY_AUDIO_BUFFER_SIZE) {
@@ -466,6 +467,7 @@ int cw_audio_write(float sample) {
       rx->local_audio_buffer_offset=0;
     }
   }
+  g_mutex_unlock(&rx->local_audio_mutex);
   return 0;
 }