--- a
+++ b/mpd2src/flacencoder.h
@@ -0,0 +1,64 @@
+/* Copyright (C) 2015-2018 J.F.Dockes
+ *   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 2 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, write to the
+ *   Free Software Foundation, Inc.,
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef _FLACENCODER_H_INCLUDED_
+#define _FLACENCODER_H_INCLUDED_
+
+#include <FLAC/stream_encoder.h>
+
+#ifdef WITH_OHBUILD
+#include "OhmSender.h"
+#else
+#include <OpenHome/OhmSender.h>
+#endif
+
+#include "audioencoder.h"
+#include "audioreader.h"
+
+using namespace OpenHome;
+using namespace OpenHome::Av;
+
+class FlacEncoder : public AudioEncoder {
+    static const int SAMPLES_BUF_SIZE = 16 * 1024;
+
+public:
+    FlacEncoder(AudioReader *audioReader, OhmSenderDriver *ohmSender);
+    ~FlacEncoder();
+
+    void start();
+    int encode(const unsigned char *buffer, unsigned num_bytes, bool halt);
+    void finish();
+
+private:
+    static FLAC__StreamEncoderWriteStatus writeCallback(
+            const FLAC__StreamEncoder *encoder,
+            const FLAC__byte buffer[],
+            size_t bytes,
+            unsigned samples,
+            unsigned current_frame,
+            void *client_data);
+
+    FLAC__StreamEncoder*  m_encoder;
+    FLAC__int32           m_samplesBuf[SAMPLES_BUF_SIZE];
+    bool m_halt;
+
+#ifdef DEBUG_ENCODER
+    int dumpfd;
+#endif
+};
+
+#endif /* _FLACENCODER_H_INCLUDED_ */