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-rw-r--r--src/decoder/flac_compat.h114
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diff --git a/src/decoder/flac_compat.h b/src/decoder/flac_compat.h
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+/*
+ * Copyright (C) 2003-2010 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.
+ */
+
+/*
+ * Common data structures and functions used by FLAC and OggFLAC
+ */
+
+#ifndef MPD_FLAC_COMPAT_H
+#define MPD_FLAC_COMPAT_H
+
+#include <FLAC/export.h>
+#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
+# include <FLAC/seekable_stream_decoder.h>
+
+/* starting with libFLAC 1.1.3, the SeekableStreamDecoder has been
+ merged into the StreamDecoder. The following macros try to emulate
+ the new API for libFLAC 1.1.2 by mapping MPD's StreamDecoder calls
+ to the old SeekableStreamDecoder API. */
+
+#define FLAC__StreamDecoder FLAC__SeekableStreamDecoder
+#define FLAC__stream_decoder_new FLAC__seekable_stream_decoder_new
+#define FLAC__stream_decoder_get_decode_position FLAC__seekable_stream_decoder_get_decode_position
+#define FLAC__stream_decoder_get_state FLAC__seekable_stream_decoder_get_state
+#define FLAC__stream_decoder_process_single FLAC__seekable_stream_decoder_process_single
+#define FLAC__stream_decoder_process_until_end_of_metadata FLAC__seekable_stream_decoder_process_until_end_of_metadata
+#define FLAC__stream_decoder_seek_absolute FLAC__seekable_stream_decoder_seek_absolute
+#define FLAC__stream_decoder_finish FLAC__seekable_stream_decoder_finish
+#define FLAC__stream_decoder_delete FLAC__seekable_stream_decoder_delete
+
+#define FLAC__STREAM_DECODER_END_OF_STREAM FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM
+
+typedef unsigned flac_read_status_size_t;
+
+#define FLAC__StreamDecoderReadStatus FLAC__SeekableStreamDecoderReadStatus
+#define FLAC__STREAM_DECODER_READ_STATUS_CONTINUE FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK
+#define FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK
+#define FLAC__STREAM_DECODER_READ_STATUS_ABORT FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR
+
+#define FLAC__StreamDecoderSeekStatus FLAC__SeekableStreamDecoderSeekStatus
+#define FLAC__STREAM_DECODER_SEEK_STATUS_OK FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK
+#define FLAC__STREAM_DECODER_SEEK_STATUS_ERROR FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR
+#define FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR
+
+#define FLAC__StreamDecoderTellStatus FLAC__SeekableStreamDecoderTellStatus
+#define FLAC__STREAM_DECODER_TELL_STATUS_OK FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK
+#define FLAC__STREAM_DECODER_TELL_STATUS_ERROR FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR
+#define FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR
+
+#define FLAC__StreamDecoderLengthStatus FLAC__SeekableStreamDecoderLengthStatus
+#define FLAC__STREAM_DECODER_LENGTH_STATUS_OK FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK
+#define FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR
+#define FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR
+
+typedef enum {
+ FLAC__STREAM_DECODER_INIT_STATUS_OK,
+ FLAC__STREAM_DECODER_INIT_STATUS_ERROR,
+} FLAC__StreamDecoderInitStatus;
+
+static inline FLAC__StreamDecoderInitStatus
+FLAC__stream_decoder_init_stream(FLAC__SeekableStreamDecoder *decoder,
+ FLAC__SeekableStreamDecoderReadCallback read_cb,
+ FLAC__SeekableStreamDecoderSeekCallback seek_cb,
+ FLAC__SeekableStreamDecoderTellCallback tell_cb,
+ FLAC__SeekableStreamDecoderLengthCallback length_cb,
+ FLAC__SeekableStreamDecoderEofCallback eof_cb,
+ FLAC__SeekableStreamDecoderWriteCallback write_cb,
+ FLAC__SeekableStreamDecoderMetadataCallback metadata_cb,
+ FLAC__SeekableStreamDecoderErrorCallback error_cb,
+ void *data)
+{
+ return FLAC__seekable_stream_decoder_set_read_callback(decoder, read_cb) &&
+ FLAC__seekable_stream_decoder_set_seek_callback(decoder, seek_cb) &&
+ FLAC__seekable_stream_decoder_set_tell_callback(decoder, tell_cb) &&
+ FLAC__seekable_stream_decoder_set_length_callback(decoder, length_cb) &&
+ FLAC__seekable_stream_decoder_set_eof_callback(decoder, eof_cb) &&
+ FLAC__seekable_stream_decoder_set_write_callback(decoder, write_cb) &&
+ FLAC__seekable_stream_decoder_set_metadata_callback(decoder, metadata_cb) &&
+ FLAC__seekable_stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT) &&
+ FLAC__seekable_stream_decoder_set_error_callback(decoder, error_cb) &&
+ FLAC__seekable_stream_decoder_set_client_data(decoder, data) &&
+ FLAC__seekable_stream_decoder_init(decoder) == FLAC__SEEKABLE_STREAM_DECODER_OK
+ ? FLAC__STREAM_DECODER_INIT_STATUS_OK
+ : FLAC__STREAM_DECODER_INIT_STATUS_ERROR;
+}
+
+#else /* FLAC_API_VERSION_CURRENT > 7 */
+
+# include <FLAC/stream_decoder.h>
+
+# define flac_init(a,b,c,d,e,f,g,h,i,j) \
+ (FLAC__stream_decoder_init_stream(a,b,c,d,e,f,g,h,i,j) \
+ == FLAC__STREAM_DECODER_INIT_STATUS_OK)
+
+typedef size_t flac_read_status_size_t;
+
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
+
+#endif /* _FLAC_COMMON_H */