forked from len0rd/rockbox
0f5c6d47d4
decoding speed iPod video ~153% But in some players, the decoding speed is not enough. (e.g., H180 52.4% (thanks amiconn), H300 55.09% (thanks n1s)) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25994 a1c6a512-1295-4272-9138-f99709370657
284 lines
9.1 KiB
C
284 lines
9.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _METADATA_H
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#define _METADATA_H
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#include <stdbool.h>
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#include "file.h"
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#include "config.h"
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/* Audio file types. */
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/* NOTE: The values of the AFMT_* items are used for the %fc tag in the WPS
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- so new entries MUST be added to the end to maintain compatibility.
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*/
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enum
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{
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AFMT_UNKNOWN = 0, /* Unknown file format */
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/* start formats */
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AFMT_MPA_L1, /* MPEG Audio layer 1 */
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AFMT_MPA_L2, /* MPEG Audio layer 2 */
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AFMT_MPA_L3, /* MPEG Audio layer 3 */
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#if CONFIG_CODEC == SWCODEC
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AFMT_AIFF, /* Audio Interchange File Format */
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AFMT_PCM_WAV, /* Uncompressed PCM in a WAV file */
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AFMT_OGG_VORBIS, /* Ogg Vorbis */
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AFMT_FLAC, /* FLAC */
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AFMT_MPC, /* Musepack */
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AFMT_A52, /* A/52 (aka AC3) audio */
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AFMT_WAVPACK, /* WavPack */
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AFMT_MP4_ALAC, /* Apple Lossless Audio Codec */
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AFMT_MP4_AAC, /* Advanced Audio Coding (AAC) in M4A container */
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AFMT_SHN, /* Shorten */
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AFMT_SID, /* SID File Format */
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AFMT_ADX, /* ADX File Format */
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AFMT_NSF, /* NESM (NES Sound Format) */
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AFMT_SPEEX, /* Ogg Speex speech */
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AFMT_SPC, /* SPC700 save state */
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AFMT_APE, /* Monkey's Audio (APE) */
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AFMT_WMA, /* WMAV1/V2 in ASF */
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AFMT_WMAPRO, /* WMA Professional in ASF */
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AFMT_MOD, /* Amiga MOD File Format */
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AFMT_SAP, /* Atari 8Bit SAP Format */
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AFMT_RM_COOK, /* Cook in RM/RA */
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AFMT_RM_AAC, /* AAC in RM/RA */
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AFMT_RM_AC3, /* AC3 in RM/RA */
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AFMT_RM_ATRAC3, /* ATRAC3 in RM/RA */
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AFMT_CMC, /* Atari 8bit cmc format */
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AFMT_CM3, /* Atari 8bit cm3 format */
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AFMT_CMR, /* Atari 8bit cmr format */
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AFMT_CMS, /* Atari 8bit cms format */
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AFMT_DMC, /* Atari 8bit dmc format */
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AFMT_DLT, /* Atari 8bit dlt format */
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AFMT_MPT, /* Atari 8bit mpt format */
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AFMT_MPD, /* Atari 8bit mpd format */
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AFMT_RMT, /* Atari 8bit rmt format */
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AFMT_TMC, /* Atari 8bit tmc format */
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AFMT_TM8, /* Atari 8bit tm8 format */
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AFMT_TM2, /* Atari 8bit tm2 format */
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AFMT_OMA_ATRAC3, /* Atrac3 in Sony OMA container */
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AFMT_SMAF, /* SMAF */
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AFMT_AU, /* Sun Audio file */
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AFMT_VOX, /* VOX */
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AFMT_WAVE64, /* Wave64 */
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AFMT_TTA, /* True Audio */
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#endif
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/* add new formats at any index above this line to have a sensible order -
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specified array index inits are used */
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/* format arrays defined in id3.c */
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AFMT_NUM_CODECS,
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#if CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING)
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/* masks to decompose parts */
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CODEC_AFMT_MASK = 0x0fff,
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CODEC_TYPE_MASK = 0x7000,
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/* switch for specifying codec type when requesting a filename */
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CODEC_TYPE_DECODER = (0 << 12), /* default */
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CODEC_TYPE_ENCODER = (1 << 12),
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#endif /* CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING) */
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};
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#if CONFIG_CODEC == SWCODEC
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#define CODEC_EXTENSION "codec"
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#ifdef HAVE_RECORDING
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#define ENCODER_SUFFIX "_enc"
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enum rec_format_indexes
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{
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__REC_FORMAT_START_INDEX = -1,
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/* start formats */
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REC_FORMAT_PCM_WAV,
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REC_FORMAT_AIFF,
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REC_FORMAT_WAVPACK,
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REC_FORMAT_MPA_L3,
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/* add new formats at any index above this line to have a sensible order -
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specified array index inits are used
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REC_FORMAT_CFG_NUM_BITS should allocate enough bits to hold the range
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REC_FORMAT_CFG_VALUE_LIST should be in same order as indexes
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*/
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REC_NUM_FORMATS,
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REC_FORMAT_DEFAULT = REC_FORMAT_PCM_WAV,
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REC_FORMAT_CFG_NUM_BITS = 2
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};
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#define REC_FORMAT_CFG_VAL_LIST "wave,aiff,wvpk,mpa3"
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/* get REC_FORMAT_* corresponding AFMT_* */
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extern const int rec_format_afmt[REC_NUM_FORMATS];
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/* get AFMT_* corresponding REC_FORMAT_* */
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extern const int afmt_rec_format[AFMT_NUM_CODECS];
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#define AFMT_ENTRY(label, root_fname, enc_root_fname, ext_list) \
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{ label, root_fname, enc_root_fname, ext_list }
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#else /* !HAVE_RECORDING */
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#define AFMT_ENTRY(label, root_fname, enc_root_fname, ext_list) \
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{ label, root_fname, ext_list }
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#endif /* HAVE_RECORDING */
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#else /* !SWCODEC */
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#define AFMT_ENTRY(label, root_fname, enc_root_fname, ext_list) \
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{ label, ext_list }
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#endif /* CONFIG_CODEC == SWCODEC */
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/** Database of audio formats **/
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/* record describing the audio format */
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struct afmt_entry
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{
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const char *label; /* format label */
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#if CONFIG_CODEC == SWCODEC
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const char *codec_root_fn; /* root codec filename (sans _enc and .codec) */
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#ifdef HAVE_RECORDING
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const char *codec_enc_root_fn; /* filename of encoder codec */
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#endif
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#endif
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const char *ext_list; /* double NULL terminated extension
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list for type with the first as
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the default for recording */
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};
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/* database of labels and codecs. add formats per above enum */
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extern const struct afmt_entry audio_formats[AFMT_NUM_CODECS];
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#if MEMORYSIZE > 2
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#define ID3V2_BUF_SIZE 900
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#else
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#define ID3V2_BUF_SIZE 300
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#endif
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enum {
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ID3_VER_1_0 = 1,
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ID3_VER_1_1,
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ID3_VER_2_2,
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ID3_VER_2_3,
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ID3_VER_2_4
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};
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struct mp3entry {
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char path[MAX_PATH];
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char* title;
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char* artist;
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char* album;
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char* genre_string;
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char* disc_string;
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char* track_string;
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char* year_string;
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char* composer;
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char* comment;
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char* albumartist;
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char* grouping;
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int discnum;
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int tracknum;
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int version;
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int layer;
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int year;
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unsigned char id3version;
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unsigned int codectype;
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unsigned int bitrate;
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unsigned long frequency;
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unsigned long id3v2len;
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unsigned long id3v1len;
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unsigned long first_frame_offset; /* Byte offset to first real MP3 frame.
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Used for skipping leading garbage to
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avoid gaps between tracks. */
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unsigned long vbr_header_pos;
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unsigned long filesize; /* without headers; in bytes */
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unsigned long length; /* song length in ms */
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unsigned long elapsed; /* ms played */
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int lead_trim; /* Number of samples to skip at the beginning */
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int tail_trim; /* Number of samples to remove from the end */
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/* Added for Vorbis */
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unsigned long samples; /* number of samples in track */
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/* MP3 stream specific info */
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unsigned long frame_count; /* number of frames in the file (if VBR) */
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/* Used for A52/AC3 */
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unsigned long bytesperframe; /* number of bytes per frame (if CBR) */
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/* Xing VBR fields */
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bool vbr;
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bool has_toc; /* True if there is a VBR header in the file */
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unsigned char toc[100]; /* table of contents */
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/* Added for ATRAC3 */
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unsigned int channels; /* Number of channels in the stream */
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unsigned int extradata_size; /* Size (in bytes) of the codec's extradata from the container */
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/* these following two fields are used for local buffering */
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char id3v2buf[ID3V2_BUF_SIZE];
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char id3v1buf[4][92];
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/* resume related */
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unsigned long offset; /* bytes played */
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int index; /* playlist index */
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/* runtime database fields */
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long tagcache_idx; /* 0=invalid, otherwise idx+1 */
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int rating;
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int score;
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long playcount;
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long lastplayed;
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long playtime;
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/* replaygain support */
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#if CONFIG_CODEC == SWCODEC
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char* track_gain_string;
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char* album_gain_string;
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long track_gain; /* 7.24 signed fixed point. 0 for no gain. */
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long album_gain;
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long track_peak; /* 7.24 signed fixed point. 0 for no peak. */
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long album_peak;
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#endif
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/* Cuesheet support */
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struct cuesheet *cuesheet;
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/* Musicbrainz Track ID */
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char* mb_track_id;
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};
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unsigned int probe_file_format(const char *filename);
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bool get_metadata(struct mp3entry* id3, int fd, const char* trackname);
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bool mp3info(struct mp3entry *entry, const char *filename);
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void adjust_mp3entry(struct mp3entry *entry, void *dest, const void *orig);
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void copy_mp3entry(struct mp3entry *dest, const struct mp3entry *orig);
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#if CONFIG_CODEC == SWCODEC
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void strip_tags(int handle_id);
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#endif
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#endif
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