1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2005 Dave Chapman
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
30 /* Audio file types. */
31 /* NOTE: The values of the AFMT_* items are used for the %fc tag in the WPS
32 - so new entries MUST be added to the end to maintain compatibility.
36 AFMT_UNKNOWN
= 0, /* Unknown file format */
40 AFMT_MPA_L1
, /* MPEG Audio layer 1 */
41 AFMT_MPA_L2
, /* MPEG Audio layer 2 */
42 AFMT_MPA_L3
, /* MPEG Audio layer 3 */
44 #if CONFIG_CODEC == SWCODEC
45 AFMT_AIFF
, /* Audio Interchange File Format */
46 AFMT_PCM_WAV
, /* Uncompressed PCM in a WAV file */
47 AFMT_OGG_VORBIS
, /* Ogg Vorbis */
49 AFMT_MPC
, /* Musepack */
50 AFMT_A52
, /* A/52 (aka AC3) audio */
51 AFMT_WAVPACK
, /* WavPack */
52 AFMT_MP4_ALAC
, /* Apple Lossless Audio Codec */
53 AFMT_MP4_AAC
, /* Advanced Audio Coding (AAC) in M4A container */
54 AFMT_SHN
, /* Shorten */
55 AFMT_SID
, /* SID File Format */
56 AFMT_ADX
, /* ADX File Format */
57 AFMT_NSF
, /* NESM (NES Sound Format) */
58 AFMT_SPEEX
, /* Ogg Speex speech */
59 AFMT_SPC
, /* SPC700 save state */
60 AFMT_APE
, /* Monkey's Audio (APE) */
61 AFMT_WMA
, /* WMAV1/V2 in ASF */
62 AFMT_WMAPRO
, /* WMA Professional in ASF */
63 AFMT_MOD
, /* Amiga MOD File Format */
64 AFMT_SAP
, /* Atari 8Bit SAP Format */
65 AFMT_RM_COOK
, /* Cook in RM/RA */
66 AFMT_RM_AAC
, /* AAC in RM/RA */
67 AFMT_RM_AC3
, /* AC3 in RM/RA */
68 AFMT_RM_ATRAC3
, /* ATRAC3 in RM/RA */
69 AFMT_CMC
, /* Atari 8bit cmc format */
70 AFMT_CM3
, /* Atari 8bit cm3 format */
71 AFMT_CMR
, /* Atari 8bit cmr format */
72 AFMT_CMS
, /* Atari 8bit cms format */
73 AFMT_DMC
, /* Atari 8bit dmc format */
74 AFMT_DLT
, /* Atari 8bit dlt format */
75 AFMT_MPT
, /* Atari 8bit mpt format */
76 AFMT_MPD
, /* Atari 8bit mpd format */
77 AFMT_RMT
, /* Atari 8bit rmt format */
78 AFMT_TMC
, /* Atari 8bit tmc format */
79 AFMT_TM8
, /* Atari 8bit tm8 format */
80 AFMT_TM2
, /* Atari 8bit tm2 format */
81 AFMT_OMA_ATRAC3
, /* Atrac3 in Sony OMA container */
83 AFMT_AU
, /* Sun Audio file */
85 AFMT_WAVE64
, /* Wave64 */
88 /* add new formats at any index above this line to have a sensible order -
89 specified array index inits are used */
90 /* format arrays defined in id3.c */
94 #if CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING)
95 /* masks to decompose parts */
96 CODEC_AFMT_MASK
= 0x0fff,
97 CODEC_TYPE_MASK
= 0x7000,
99 /* switch for specifying codec type when requesting a filename */
100 CODEC_TYPE_DECODER
= (0 << 12), /* default */
101 CODEC_TYPE_ENCODER
= (1 << 12),
102 #endif /* CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING) */
105 #if CONFIG_CODEC == SWCODEC
106 #define CODEC_EXTENSION "codec"
108 #ifdef HAVE_RECORDING
109 #define ENCODER_SUFFIX "_enc"
110 enum rec_format_indexes
112 __REC_FORMAT_START_INDEX
= -1,
121 /* add new formats at any index above this line to have a sensible order -
122 specified array index inits are used
123 REC_FORMAT_CFG_NUM_BITS should allocate enough bits to hold the range
124 REC_FORMAT_CFG_VALUE_LIST should be in same order as indexes
129 REC_FORMAT_DEFAULT
= REC_FORMAT_PCM_WAV
,
130 REC_FORMAT_CFG_NUM_BITS
= 2
133 #define REC_FORMAT_CFG_VAL_LIST "wave,aiff,wvpk,mpa3"
135 /* get REC_FORMAT_* corresponding AFMT_* */
136 extern const int rec_format_afmt
[REC_NUM_FORMATS
];
137 /* get AFMT_* corresponding REC_FORMAT_* */
138 extern const int afmt_rec_format
[AFMT_NUM_CODECS
];
140 #define AFMT_ENTRY(label, root_fname, enc_root_fname, ext_list) \
141 { label, root_fname, enc_root_fname, ext_list }
142 #else /* !HAVE_RECORDING */
143 #define AFMT_ENTRY(label, root_fname, enc_root_fname, ext_list) \
144 { label, root_fname, ext_list }
145 #endif /* HAVE_RECORDING */
149 #define AFMT_ENTRY(label, root_fname, enc_root_fname, ext_list) \
151 #endif /* CONFIG_CODEC == SWCODEC */
153 /** Database of audio formats **/
154 /* record describing the audio format */
157 const char *label
; /* format label */
158 #if CONFIG_CODEC == SWCODEC
159 const char *codec_root_fn
; /* root codec filename (sans _enc and .codec) */
160 #ifdef HAVE_RECORDING
161 const char *codec_enc_root_fn
; /* filename of encoder codec */
164 const char *ext_list
; /* double NULL terminated extension
165 list for type with the first as
166 the default for recording */
169 /* database of labels and codecs. add formats per above enum */
170 extern const struct afmt_entry audio_formats
[AFMT_NUM_CODECS
];
173 #define ID3V2_BUF_SIZE 900
175 #define ID3V2_BUF_SIZE 300
204 unsigned char id3version
;
205 unsigned int codectype
;
206 unsigned int bitrate
;
207 unsigned long frequency
;
208 unsigned long id3v2len
;
209 unsigned long id3v1len
;
210 unsigned long first_frame_offset
; /* Byte offset to first real MP3 frame.
211 Used for skipping leading garbage to
212 avoid gaps between tracks. */
213 unsigned long vbr_header_pos
;
214 unsigned long filesize
; /* without headers; in bytes */
215 unsigned long length
; /* song length in ms */
216 unsigned long elapsed
; /* ms played */
218 int lead_trim
; /* Number of samples to skip at the beginning */
219 int tail_trim
; /* Number of samples to remove from the end */
221 /* Added for Vorbis */
222 unsigned long samples
; /* number of samples in track */
224 /* MP3 stream specific info */
225 unsigned long frame_count
; /* number of frames in the file (if VBR) */
227 /* Used for A52/AC3 */
228 unsigned long bytesperframe
; /* number of bytes per frame (if CBR) */
230 /* Xing VBR fields */
232 bool has_toc
; /* True if there is a VBR header in the file */
233 unsigned char toc
[100]; /* table of contents */
235 /* Added for ATRAC3 */
236 unsigned int channels
; /* Number of channels in the stream */
237 unsigned int extradata_size
; /* Size (in bytes) of the codec's extradata from the container */
238 /* these following two fields are used for local buffering */
239 char id3v2buf
[ID3V2_BUF_SIZE
];
240 char id3v1buf
[4][92];
243 unsigned long offset
; /* bytes played */
244 int index
; /* playlist index */
246 /* runtime database fields */
247 long tagcache_idx
; /* 0=invalid, otherwise idx+1 */
254 /* replaygain support */
256 #if CONFIG_CODEC == SWCODEC
257 char* track_gain_string
;
258 char* album_gain_string
;
259 long track_gain
; /* 7.24 signed fixed point. 0 for no gain. */
261 long track_peak
; /* 7.24 signed fixed point. 0 for no peak. */
265 /* Cuesheet support */
266 struct cuesheet
*cuesheet
;
268 /* Musicbrainz Track ID */
272 unsigned int probe_file_format(const char *filename
);
273 bool get_metadata(struct mp3entry
* id3
, int fd
, const char* trackname
);
274 bool mp3info(struct mp3entry
*entry
, const char *filename
);
275 void adjust_mp3entry(struct mp3entry
*entry
, void *dest
, const void *orig
);
276 void copy_mp3entry(struct mp3entry
*dest
, const struct mp3entry
*orig
);
277 #if CONFIG_CODEC == SWCODEC
278 void strip_tags(int handle_id
);