--- a
+++ b/sc2src/flacdecoder.h
@@ -0,0 +1,81 @@
+/* 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 _FLACDECODER_H_INCLUDED_
+#define _FLACDECODER_H_INCLUDED_
+
+#include <FLAC/stream_decoder.h>
+
+#ifdef WITH_OHBUILD
+#include "OhmReceiver.h"
+#else
+#include <OpenHome/OhmReceiver.h>
+#endif
+
+#include "audiodecoder.h"
+
+using namespace OpenHome;
+using namespace OpenHome::Av;
+
+class FlacDecoder : public AudioDecoder {
+ static const int SAMPLES_BUF_SIZE = 16 * 1024;
+public:
+ FlacDecoder();
+ ~FlacDecoder();
+
+ void start();
+ int decode(OhmMsgAudio& aMsg);
+ void finish();
+private:
+ void putAudioMessage(
+ unsigned int bits_per_sample,
+ unsigned int channels,
+ unsigned int frames,
+ unsigned int sample_rate,
+ bool halt);
+ static FLAC__StreamDecoderReadStatus readCallback(
+ const FLAC__StreamDecoder *decoder,
+ FLAC__byte buffer[],
+ size_t *bytes,
+ void *client_data);
+ static FLAC__StreamDecoderWriteStatus writeCallback(
+ const FLAC__StreamDecoder *decoder,
+ const FLAC__Frame *frame,
+ const FLAC__int32 * const buffer[],
+ void *client_data);
+ static void metadataCallback(
+ const FLAC__StreamDecoder *decoder,
+ const FLAC__StreamMetadata *metadata,
+ void *client_data);
+ static void errorCallback(
+ const FLAC__StreamDecoder *decoder,
+ FLAC__StreamDecoderErrorStatus status,
+ void *client_data);
+
+ FLAC__StreamDecoder* m_decoder;
+
+ const unsigned char *m_buffer;
+ unsigned int m_bytes;
+ bool m_halt;
+
+ char m_pBuffer[SAMPLES_BUF_SIZE];
+#ifdef DEBUG_DECODER
+ int dumpfd;
+#endif
+};
+
+#endif /* _FLACDECODER_H_INCLUDED_ */