Build librbcodec with DSP and metadata.

All associated files are moved to /lib/rbcodec.

Change-Id: I572ddd2b8a996aae1e98c081d06b1ed356dce222

1 files changed, 353 insertions, 0 deletions

diff --git a/lib/rbcodec/metadata/metadata.h b/lib/rbcodec/metadata/metadata.h
new file mode 100644
index 0000000000..55e4d76f25
--- /dev/null
+++ b/lib/rbcodec/metadata/metadata.h
@@ -0,0 +1,353 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 Dave Chapman
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _METADATA_H
+#define _METADATA_H
+
+#include <stdbool.h>
+#include "config.h"
+#include "file.h"
+
+
+/* Audio file types. */
+/* NOTE: The values of the AFMT_* items are used for the %fc tag in the WPS
+         - so new entries MUST be added to the end to maintain compatibility.
+ */
+enum
+{
+    AFMT_UNKNOWN = 0,  /* Unknown file format */
+
+    /* start formats */
+    AFMT_MPA_L1,       /* MPEG Audio layer 1 */
+    AFMT_MPA_L2,       /* MPEG Audio layer 2 */
+    AFMT_MPA_L3,       /* MPEG Audio layer 3 */
+
+#if CONFIG_CODEC == SWCODEC
+    AFMT_AIFF,         /* Audio Interchange File Format */
+    AFMT_PCM_WAV,      /* Uncompressed PCM in a WAV file */
+    AFMT_OGG_VORBIS,   /* Ogg Vorbis */
+    AFMT_FLAC,         /* FLAC */
+    AFMT_MPC_SV7,      /* Musepack SV7 */
+    AFMT_A52,          /* A/52 (aka AC3) audio */
+    AFMT_WAVPACK,      /* WavPack */
+    AFMT_MP4_ALAC,     /* Apple Lossless Audio Codec */
+    AFMT_MP4_AAC,      /* Advanced Audio Coding (AAC) in M4A container */
+    AFMT_SHN,          /* Shorten */
+    AFMT_SID,          /* SID File Format */
+    AFMT_ADX,          /* ADX File Format */
+    AFMT_NSF,          /* NESM (NES Sound Format) */
+    AFMT_SPEEX,        /* Ogg Speex speech */
+    AFMT_SPC,          /* SPC700 save state */
+    AFMT_APE,          /* Monkey's Audio (APE) */
+    AFMT_WMA,          /* WMAV1/V2 in ASF */
+    AFMT_WMAPRO,       /* WMA Professional in ASF */
+    AFMT_MOD,          /* Amiga MOD File Format */
+    AFMT_SAP,          /* Atari 8Bit SAP Format */
+    AFMT_RM_COOK,      /* Cook in RM/RA */
+    AFMT_RM_AAC,       /* AAC in RM/RA */
+    AFMT_RM_AC3,       /* AC3 in RM/RA */
+    AFMT_RM_ATRAC3,    /* ATRAC3 in RM/RA */
+    AFMT_CMC,          /* Atari 8bit cmc format */
+    AFMT_CM3,          /* Atari 8bit cm3 format */
+    AFMT_CMR,          /* Atari 8bit cmr format */
+    AFMT_CMS,          /* Atari 8bit cms format */
+    AFMT_DMC,          /* Atari 8bit dmc format */
+    AFMT_DLT,          /* Atari 8bit dlt format */
+    AFMT_MPT,          /* Atari 8bit mpt format */
+    AFMT_MPD,          /* Atari 8bit mpd format */
+    AFMT_RMT,          /* Atari 8bit rmt format */
+    AFMT_TMC,          /* Atari 8bit tmc format */
+    AFMT_TM8,          /* Atari 8bit tm8 format */
+    AFMT_TM2,          /* Atari 8bit tm2 format */
+    AFMT_OMA_ATRAC3,   /* Atrac3 in Sony OMA container */
+    AFMT_SMAF,         /* SMAF */
+    AFMT_AU,           /* Sun Audio file */
+    AFMT_VOX,          /* VOX */
+    AFMT_WAVE64,       /* Wave64 */
+    AFMT_TTA,          /* True Audio */
+    AFMT_WMAVOICE,     /* WMA Voice in ASF */
+    AFMT_MPC_SV8,      /* Musepack SV8 */
+    AFMT_MP4_AAC_HE,   /* Advanced Audio Coding (AAC-HE) in M4A container */
+    AFMT_AY,             /* AY (ZX Spectrum, Amstrad CPC Sound Format) */
+    AFMT_GBS,          /* GBS (Game Boy Sound Format) */
+    AFMT_HES,          /* HES (Hudson Entertainment System Sound Format) */
+    AFMT_SGC,          /* SGC (Sega Master System, Game Gear, Coleco Vision Sound Format) */
+    AFMT_VGM,         /* VGM (Video Game Music Format) */
+    AFMT_KSS,          /* KSS (MSX computer KSS Music File) */
+#endif
+
+    /* add new formats at any index above this line to have a sensible order -
+       specified array index inits are used */
+    /* format arrays defined in id3.c */
+
+    AFMT_NUM_CODECS,
+
+#if CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING)
+    /* masks to decompose parts */
+    CODEC_AFMT_MASK    = 0x0fff,
+    CODEC_TYPE_MASK    = 0x7000,
+
+    /* switch for specifying codec type when requesting a filename */
+    CODEC_TYPE_DECODER = (0 << 12), /* default */
+    CODEC_TYPE_ENCODER = (1 << 12),
+#endif /* CONFIG_CODEC == SWCODEC && defined(HAVE_RECORDING) */
+};
+
+#if CONFIG_CODEC == SWCODEC
+#if (CONFIG_PLATFORM & PLATFORM_ANDROID)
+#define CODEC_EXTENSION "so"
+#define CODEC_PREFIX "lib"
+#else
+#define CODEC_EXTENSION "codec"
+#define CODEC_PREFIX ""
+#endif
+
+#ifdef HAVE_RECORDING
+enum rec_format_indexes
+{
+    __REC_FORMAT_START_INDEX = -1,
+
+    /* start formats */
+
+    REC_FORMAT_PCM_WAV,
+    REC_FORMAT_AIFF,
+    REC_FORMAT_WAVPACK,
+    REC_FORMAT_MPA_L3,
+
+    /* add new formats at any index above this line to have a sensible order -
+       specified array index inits are used
+       REC_FORMAT_CFG_NUM_BITS should allocate enough bits to hold the range
+       REC_FORMAT_CFG_VALUE_LIST should be in same order as indexes
+    */
+
+    REC_NUM_FORMATS,
+
+    REC_FORMAT_DEFAULT = REC_FORMAT_PCM_WAV,
+    REC_FORMAT_CFG_NUM_BITS = 2
+};
+
+#define REC_FORMAT_CFG_VAL_LIST "wave,aiff,wvpk,mpa3" 
+
+/* get REC_FORMAT_* corresponding AFMT_* */
+extern const int rec_format_afmt[REC_NUM_FORMATS];
+/* get AFMT_* corresponding REC_FORMAT_* */
+/* unused: extern const int afmt_rec_format[AFMT_NUM_CODECS]; */
+
+#define AFMT_ENTRY(label, root_fname, enc_root_fname, func, ext_list) \
+    { label, root_fname, enc_root_fname, func, ext_list }
+#else /* !HAVE_RECORDING */
+#define AFMT_ENTRY(label, root_fname, enc_root_fname, func, ext_list) \
+    { label, root_fname, func, ext_list }
+#endif /* HAVE_RECORDING */
+
+#else /* !SWCODEC */
+
+#define AFMT_ENTRY(label, root_fname, enc_root_fname, func, ext_list) \
+    { label, func, ext_list }
+#endif /* CONFIG_CODEC == SWCODEC */
+
+/** Database of audio formats **/
+/* record describing the audio format */
+struct mp3entry;
+struct afmt_entry
+{
+    const char *label;      /* format label */
+#if CONFIG_CODEC == SWCODEC
+    const char *codec_root_fn; /* root codec filename (sans _enc and .codec) */
+#ifdef HAVE_RECORDING
+    const char *codec_enc_root_fn; /* filename of encoder codec */
+#endif
+#endif
+    bool (*parse_func)(int fd, struct mp3entry *id3); /* return true on success */
+    const char *ext_list;    /* NULL terminated extension
+                               list for type with the first as
+                               the default for recording */
+};
+
+/* database of labels and codecs. add formats per above enum */
+extern const struct afmt_entry audio_formats[AFMT_NUM_CODECS];
+
+#if MEMORYSIZE > 2
+#define ID3V2_BUF_SIZE 900
+#define ID3V2_MAX_ITEM_SIZE 240
+#else
+#define ID3V2_BUF_SIZE 300
+#define ID3V2_MAX_ITEM_SIZE 90
+#endif
+
+enum {
+    ID3_VER_1_0 = 1,
+    ID3_VER_1_1,
+    ID3_VER_2_2,
+    ID3_VER_2_3,
+    ID3_VER_2_4
+};
+
+#ifdef HAVE_ALBUMART
+enum mp3_aa_type {
+    AA_TYPE_UNSYNC = -1,
+    AA_TYPE_UNKNOWN,
+    AA_TYPE_BMP,
+    AA_TYPE_PNG,
+    AA_TYPE_JPG,
+};
+
+struct mp3_albumart {
+    enum mp3_aa_type type;
+    int size;
+    off_t pos;
+};
+#endif
+
+enum character_encoding {
+    CHAR_ENC_ISO_8859_1 = 1,
+    CHAR_ENC_UTF_8,
+    CHAR_ENC_UTF_16_LE,
+    CHAR_ENC_UTF_16_BE,
+};
+
+/* cache embedded cuesheet details */
+struct embedded_cuesheet {
+    int size;
+    off_t pos;
+    enum character_encoding encoding;
+};
+
+struct mp3entry {
+    char path[MAX_PATH];
+    char* title;
+    char* artist;
+    char* album;
+    char* genre_string;
+    char* disc_string;
+    char* track_string;
+    char* year_string;
+    char* composer;
+    char* comment;
+    char* albumartist;
+    char* grouping;
+    int discnum;    
+    int tracknum;
+    int layer;
+    int year;
+    unsigned char id3version;
+    unsigned int codectype;
+    unsigned int bitrate;
+    unsigned long frequency;
+    unsigned long id3v2len;
+    unsigned long id3v1len;
+    unsigned long first_frame_offset; /* Byte offset to first real MP3 frame.
+                                         Used for skipping leading garbage to
+                                         avoid gaps between tracks. */
+    unsigned long filesize; /* without headers; in bytes */
+    unsigned long length;   /* song length in ms */
+    unsigned long elapsed;  /* ms played */
+
+    int lead_trim;          /* Number of samples to skip at the beginning */
+    int tail_trim;          /* Number of samples to remove from the end */
+
+    /* Added for Vorbis, used by mp4 parser as well. */
+    unsigned long samples;  /* number of samples in track */
+
+    /* MP3 stream specific info */
+    unsigned long frame_count; /* number of frames in the file (if VBR) */
+
+    /* Used for A52/AC3 */
+    unsigned long bytesperframe; /* number of bytes per frame (if CBR) */
+
+    /* Xing VBR fields */
+    bool vbr;
+    bool has_toc;           /* True if there is a VBR header in the file */
+    unsigned char toc[100]; /* table of contents */
+
+    /* Added for ATRAC3 */
+    unsigned int channels;       /* Number of channels in the stream */
+    unsigned int extradata_size; /* Size (in bytes) of the codec's extradata from the container */
+
+    /* Added for AAC HE SBR */
+    bool needs_upsampling_correction; /* flag used by aac codec */
+
+    /* these following two fields are used for local buffering */
+    char id3v2buf[ID3V2_BUF_SIZE];
+    char id3v1buf[4][92];
+
+    /* resume related */
+    unsigned long offset;  /* bytes played */
+    int index;             /* playlist index */
+
+#ifdef HAVE_TAGCACHE
+    unsigned char autoresumable; /* caches result of autoresumable() */
+    
+    /* runtime database fields */
+    long tagcache_idx;     /* 0=invalid, otherwise idx+1 */
+    int rating;
+    int score;
+    long playcount;
+    long lastplayed;
+    long playtime;
+#endif
+    
+    /* replaygain support */
+#if CONFIG_CODEC == SWCODEC
+    long track_level;   /* holds the level in dB * (1<<FP_BITS) */
+    long album_level;
+    long track_gain;    /* s19.12 signed fixed point. 0 for no gain. */
+    long album_gain;
+    long track_peak;    /* s19.12 signed fixed point. 0 for no peak. */
+    long album_peak;
+#endif
+
+#ifdef HAVE_ALBUMART
+    bool has_embedded_albumart;
+    struct mp3_albumart albumart;
+#endif
+
+    /* Cuesheet support */
+    bool has_embedded_cuesheet;
+    struct embedded_cuesheet embedded_cuesheet;
+    struct cuesheet *cuesheet;
+
+    /* Musicbrainz Track ID */
+    char* mb_track_id;
+};
+
+unsigned int probe_file_format(const char *filename);
+bool get_metadata(struct mp3entry* id3, int fd, const char* trackname);
+bool mp3info(struct mp3entry *entry, const char *filename);
+void adjust_mp3entry(struct mp3entry *entry, void *dest, const void *orig);
+void copy_mp3entry(struct mp3entry *dest, const struct mp3entry *orig);
+void wipe_mp3entry(struct mp3entry *id3);
+
+#if CONFIG_CODEC == SWCODEC
+void fill_metadata_from_path(struct mp3entry *id3, const char *trackname);
+int get_audio_base_codec_type(int type);
+void strip_tags(int handle_id);
+enum data_type get_audio_base_data_type(int afmt);
+bool format_buffers_with_offset(int afmt);
+#endif
+
+#ifdef HAVE_TAGCACHE
+bool autoresumable(struct mp3entry *id3);
+#endif
+
+#endif
+
+