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diff --git a/src/decoder/FLACInput.hxx b/src/decoder/FLACInput.hxx
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+/*
+ * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_FLAC_INPUT_HXX
+#define MPD_FLAC_INPUT_HXX
+
+#include <FLAC/stream_decoder.h>
+
+/**
+ * This class wraps an #input_stream in libFLAC stream decoder
+ * callbacks.
+ */
+class FLACInput {
+ struct decoder *decoder;
+
+ struct input_stream *input_stream;
+
+public:
+ FLACInput(struct input_stream *_input_stream,
+ struct decoder *_decoder=nullptr)
+ :decoder(_decoder), input_stream(_input_stream) {}
+
+protected:
+ FLAC__StreamDecoderReadStatus Read(FLAC__byte buffer[], size_t *bytes);
+ FLAC__StreamDecoderSeekStatus Seek(FLAC__uint64 absolute_byte_offset);
+ FLAC__StreamDecoderTellStatus Tell(FLAC__uint64 *absolute_byte_offset);
+ FLAC__StreamDecoderLengthStatus Length(FLAC__uint64 *stream_length);
+ FLAC__bool Eof();
+ void Error(FLAC__StreamDecoderErrorStatus status);
+
+public:
+ static FLAC__StreamDecoderReadStatus
+ Read(const FLAC__StreamDecoder *flac_decoder,
+ FLAC__byte buffer[], size_t *bytes, void *client_data);
+
+ static FLAC__StreamDecoderSeekStatus
+ Seek(const FLAC__StreamDecoder *flac_decoder,
+ FLAC__uint64 absolute_byte_offset, void *client_data);
+
+ static FLAC__StreamDecoderTellStatus
+ Tell(const FLAC__StreamDecoder *flac_decoder,
+ FLAC__uint64 *absolute_byte_offset, void *client_data);
+
+ static FLAC__StreamDecoderLengthStatus
+ Length(const FLAC__StreamDecoder *flac_decoder,
+ FLAC__uint64 *stream_length, void *client_data);
+
+ static FLAC__bool
+ Eof(const FLAC__StreamDecoder *flac_decoder, void *client_data);
+
+ static void
+ Error(const FLAC__StreamDecoder *decoder,
+ FLAC__StreamDecoderErrorStatus status, void *client_data);
+};
+
+#endif