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Diffstat (limited to 'src/decoder/flac_compat.h')
| -rw-r--r-- | src/decoder/flac_compat.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/decoder/flac_compat.h b/src/decoder/flac_compat.h new file mode 100644 index 000000000..61d2c55e8 --- /dev/null +++ b/src/decoder/flac_compat.h @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2003-2009 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 */ |