added "TARGET=MAC" and dummy CoreAudio player

client/player/coreAudioPlayer.cpp

@@ -0,0 +1,50 @@
+/***
+    This file is part of snapcast
+    Copyright (C) 2014-2016  Johannes Pohl
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <unistd.h>
+
+#include <AudioToolbox/AudioQueue.h>
+#include <CoreAudio/CoreAudioTypes.h>
+#include <CoreFoundation/CFRunLoop.h>
+
+#include "coreAudioPlayer.h"
+
+
+//http://stackoverflow.com/questions/4863811/how-to-use-audioqueue-to-play-a-sound-for-mac-osx-in-c
+//https://gist.github.com/andormade/1360885
+
+
+CoreAudioPlayer::CoreAudioPlayer(const PcmDevice& pcmDevice, Stream* stream) : Player(pcmDevice, stream)
+{
+}
+
+
+CoreAudioPlayer::~CoreAudioPlayer()
+{
+}
+
+
+void CoreAudioPlayer::worker()
+{
+	while (active_)
+	{
+		usleep(100*1000);
+	}
+}
+
+