/* the Music Player Daemon (MPD) * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) * This project's homepage is: http://www.musicpd.org * * Common data structures and functions used by FLAC and OggFLAC * (c) 2005 by Eric Wong <normalperson@yhbt.net> * * 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 MPD_FLAC_COMMON_H #define MPD_FLAC_COMMON_H #include "../decoder_api.h" #include "config.h" #include <glib.h> #undef G_LOG_DOMAIN #define G_LOG_DOMAIN "flac" #include <FLAC/export.h> #if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7 # include <FLAC/seekable_stream_decoder.h> # define flac_decoder FLAC__SeekableStreamDecoder # define flac_new() FLAC__seekable_stream_decoder_new() # define flac_ogg_init(a,b,c,d,e,f,g,h,i,j) (0) # define flac_get_decode_position(x,y) \ FLAC__seekable_stream_decoder_get_decode_position(x,y) # define flac_get_state(x) FLAC__seekable_stream_decoder_get_state(x) # define flac_process_single(x) FLAC__seekable_stream_decoder_process_single(x) # define flac_process_metadata(x) \ FLAC__seekable_stream_decoder_process_until_end_of_metadata(x) # define flac_seek_absolute(x,y) \ FLAC__seekable_stream_decoder_seek_absolute(x,y) # define flac_finish(x) FLAC__seekable_stream_decoder_finish(x) # define flac_delete(x) FLAC__seekable_stream_decoder_delete(x) # define flac_decoder_eof FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM typedef unsigned flac_read_status_size_t; # define flac_read_status FLAC__SeekableStreamDecoderReadStatus # define flac_read_status_continue \ FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK # define flac_read_status_eof FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK # define flac_read_status_abort \ FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR # define flac_seek_status FLAC__SeekableStreamDecoderSeekStatus # define flac_seek_status_ok FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK # define flac_seek_status_error FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR # define flac_tell_status FLAC__SeekableStreamDecoderTellStatus # define flac_tell_status_ok FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK # define flac_tell_status_error \ FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR # define flac_tell_status_unsupported \ FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR # define flac_length_status FLAC__SeekableStreamDecoderLengthStatus # define flac_length_status_ok FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK # define flac_length_status_error \ FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR # define flac_length_status_unsupported \ FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR # ifdef HAVE_OGGFLAC # include <OggFLAC/seekable_stream_decoder.h> # endif #else /* FLAC_API_VERSION_CURRENT > 7 */ /* * OggFLAC support is handled by our flac_plugin already, and * thus we *can* always have it if libFLAC was compiled with it */ # include "_ogg_common.h" # include <FLAC/stream_decoder.h> # define flac_decoder FLAC__StreamDecoder # define flac_new() FLAC__stream_decoder_new() # 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) # define flac_ogg_init(a,b,c,d,e,f,g,h,i,j) \ (FLAC__stream_decoder_init_ogg_stream(a,b,c,d,e,f,g,h,i,j) \ == FLAC__STREAM_DECODER_INIT_STATUS_OK) # define flac_get_decode_position(x,y) \ FLAC__stream_decoder_get_decode_position(x,y) # define flac_get_state(x) FLAC__stream_decoder_get_state(x) # define flac_process_single(x) FLAC__stream_decoder_process_single(x) # define flac_process_metadata(x) \ FLAC__stream_decoder_process_until_end_of_metadata(x) # define flac_seek_absolute(x,y) FLAC__stream_decoder_seek_absolute(x,y) # define flac_finish(x) FLAC__stream_decoder_finish(x) # define flac_delete(x) FLAC__stream_decoder_delete(x) # define flac_decoder_eof FLAC__STREAM_DECODER_END_OF_STREAM typedef size_t flac_read_status_size_t; # define flac_read_status FLAC__StreamDecoderReadStatus # define flac_read_status_continue \ FLAC__STREAM_DECODER_READ_STATUS_CONTINUE # define flac_read_status_eof FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM # define flac_read_status_abort FLAC__STREAM_DECODER_READ_STATUS_ABORT # define flac_seek_status FLAC__StreamDecoderSeekStatus # define flac_seek_status_ok FLAC__STREAM_DECODER_SEEK_STATUS_OK # define flac_seek_status_error FLAC__STREAM_DECODER_SEEK_STATUS_ERROR # define flac_seek_status_unsupported \ FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED # define flac_tell_status FLAC__StreamDecoderTellStatus # define flac_tell_status_ok FLAC__STREAM_DECODER_TELL_STATUS_OK # define flac_tell_status_error FLAC__STREAM_DECODER_TELL_STATUS_ERROR # define flac_tell_status_unsupported \ FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED # define flac_length_status FLAC__StreamDecoderLengthStatus # define flac_length_status_ok FLAC__STREAM_DECODER_LENGTH_STATUS_OK # define flac_length_status_error FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR # define flac_length_status_unsupported \ FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED #endif /* FLAC_API_VERSION_CURRENT >= 7 */ #include <FLAC/metadata.h> #define FLAC_CHUNK_SIZE 4080 struct flac_data { unsigned char chunk[FLAC_CHUNK_SIZE]; float time; unsigned int bit_rate; struct audio_format audio_format; float total_time; FLAC__uint64 position; struct decoder *decoder; struct input_stream *input_stream; struct replay_gain_info *replay_gain_info; struct tag *tag; }; /* initializes a given FlacData struct */ void flac_data_init(struct flac_data *data, struct decoder * decoder, struct input_stream *input_stream); void flac_metadata_common_cb(const FLAC__StreamMetadata * block, struct flac_data *data); void flac_error_common_cb(const char *plugin, FLAC__StreamDecoderErrorStatus status, struct flac_data *data); void flac_vorbis_comments_to_tag(struct tag *tag, const FLAC__StreamMetadata *block); FLAC__StreamDecoderWriteStatus flac_common_write(struct flac_data *data, const FLAC__Frame * frame, const FLAC__int32 *const buf[]); #endif /* _FLAC_COMMON_H */