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+/*
+ * readanysf~ external for pd.
+ *
+ * Copyright (C) 2003, 2004 August Black
+ *
+ * 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
+ *
+ * ReadFlac.h
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef READ_FLAC
+
+#ifndef _READFLAC_H
+#define _READFLAC_H
+
+extern "C" {
+#include "FLAC/seekable_stream_decoder.h"
+};
+
+#include "Readsf.h"
+#include "generic.h"
+
+class ReadFlac : public Readsf {
+ public:
+ ReadFlac( Input *input);
+ virtual ~ReadFlac();
+ virtual bool Initialize();
+ virtual int Decode(float *buffer, int size);
+ virtual bool Rewind();
+ virtual bool PCM_seek(long bytes);
+ virtual bool TIME_seek(double seconds);
+
+ protected:
+ bool needs_seek;
+ FLAC__uint64 seek_sample;
+ unsigned samples_in_reservoir;
+ bool abort_flag;
+ FLAC__SeekableStreamDecoder *decoder;
+ FLAC__StreamMetadata streaminfo;
+ FLAC__int16 reservoir[FLAC__MAX_BLOCK_SIZE * 2 * 2]; // *2 for max channels, another *2 for overflow
+ //unsigned char output[576 * 2 * (16/8)]; // *2 for max channels, (16/8) for max bytes per sample
+
+ unsigned lengthInMsec() { return (unsigned)((FLAC__uint64)1000 * streaminfo.data.stream_info.total_samples / streaminfo.data.stream_info.sample_rate); }
+ private:
+ void ErrorCheck(int state);
+ long filelength;
+ void cleanup();
+
+
+
+ static FLAC__SeekableStreamDecoderReadStatus readCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ FLAC__byte buffer[],
+ unsigned *bytes,
+ void *client_data);
+ static FLAC__SeekableStreamDecoderSeekStatus seekCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ FLAC__uint64 absolute_byte_offset,
+ void *client_data);
+ static FLAC__SeekableStreamDecoderTellStatus tellCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ FLAC__uint64 *absolute_byte_offset,
+ void *client_data);
+ static FLAC__SeekableStreamDecoderLengthStatus lengthCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ FLAC__uint64 *stream_length,
+ void *client_data);
+ static FLAC__bool eofCallback_(const FLAC__SeekableStreamDecoder *decoder, void *client_data);
+ static FLAC__StreamDecoderWriteStatus writeCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ const FLAC__Frame *frame,
+ const FLAC__int32 * const buffer[],
+ void *client_data);
+ static void metadataCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ const FLAC__StreamMetadata *metadata,
+ void *client_data);
+ static void errorCallback_(const FLAC__SeekableStreamDecoder *decoder,
+ FLAC__StreamDecoderErrorStatus status,
+ void *client_data);
+};
+
+#endif
+#endif //#ifdef READ_FLAC