From: Mike Brady <mikebrady@eircom.net>
Date: Fri, 1 Feb 2019 21:07:35 +0000 (+0000)
Subject: add a volume control mutex to serialise multiple attempts to change the volume
X-Git-Tag: 3.3RC0~66^2~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46d117b69a94a4792cebdee61b38dfeda0a1d0cd;p=thirdparty%2Fshairport-sync.git

add a volume control mutex to serialise multiple attempts to change the volume
---

diff --git a/player.h b/player.h
index 00793a92..28b0341b 100644
--- a/player.h
+++ b/player.h
@@ -133,7 +133,7 @@ typedef struct {
   int32_t last_seqno_read;
   // mutexes and condition variables
   pthread_cond_t flowcontrol;
-  pthread_mutex_t ab_mutex, flush_mutex;
+  pthread_mutex_t ab_mutex, flush_mutex, volume_control_mutex;
   int fix_volume;
   uint32_t timestamp_epoch, last_timestamp,
       maximum_timestamp_interval; // timestamp_epoch of zero means not initialised, could start at 2