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vgmstream/src/vgmstream.h

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/*
* vgmstream.h - definitions for VGMSTREAM, encapsulating a multi-channel, looped audio stream
*/
#ifndef _VGMSTREAM_H
#define _VGMSTREAM_H
enum { PATH_LIMIT = 32768 };
#include "streamfile.h"
/* Due mostly to licensing issues, Vorbis, MPEG, G.722.1, etc decoding is
* done by external libraries.
* If someone wants to do a standalone build, they can do it by simply
* removing these defines (and the references to the libraries in the Makefile) */
#ifndef VGM_DISABLE_VORBIS
#define VGM_USE_VORBIS
#endif
#ifndef VGM_DISABLE_MPEG
#define VGM_USE_MPEG
#endif
/* disabled by default, defined on compile-time for builds that support it*/
//#define VGM_USE_G7221
//#define VGM_USE_G719
//#define VGM_USE_MP4V2
//#define VGM_USE_FDKAAC
//#define VGM_USE_MAIATRAC3PLUS
//#define VGM_USE_FFMPEG
#ifdef VGM_USE_VORBIS
#include <vorbis/vorbisfile.h>
#endif
#ifdef VGM_USE_MPEG
#include <mpg123.h>
#endif
#ifdef VGM_USE_G7221
#include <g7221.h>
#endif
#ifdef VGM_USE_G719
#include <g719.h>
#endif
#ifdef VGM_USE_MP4V2
#define MP4V2_NO_STDINT_DEFS
#include <mp4v2/mp4v2.h>
#endif
#ifdef VGM_USE_FDKAAC
#include <aacdecoder_lib.h>
#endif
#ifdef VGM_USE_MAIATRAC3PLUS
#include <maiatrac3plus.h>
#endif
#ifdef VGM_USE_FFMPEG
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#endif
#include <clHCA.h>
#include "coding/g72x_state.h"
#include "coding/acm_decoder.h"
#include "coding/nwa_decoder.h"
/* The encoding type specifies the format the sound data itself takes */
typedef enum {
/* 16-bit PCM */
coding_PCM16LE, /* little endian 16-bit PCM */
coding_PCM16LE_int, /* little endian 16-bit PCM with sample-level interleave */
coding_PCM16LE_XOR_int, /* little endian 16-bit PCM with sample-level xor */
coding_PCM16BE, /* big endian 16-bit PCM */
/* 8-bit PCM */
coding_PCM8, /* 8-bit PCM */
coding_PCM8_int, /* 8-Bit PCM with sample-level interleave */
coding_PCM8_U, /* 8-bit PCM, unsigned (0x80 = 0) */
coding_PCM8_U_int, /* 8-bit PCM, unsigned (0x80 = 0) with sample-level interleave */
coding_PCM8_SB_int, /* 8-bit PCM, sign bit (others are 2's complement) with sample-level interleave */
coding_ULAW, /* 8-bit u-Law (non-linear PCM) */
/* 4-bit ADPCM */
coding_CRI_ADX, /* CRI ADX */
coding_CRI_ADX_fixed, /* CRI ADX, encoding type 2 with fixed coefficients */
coding_CRI_ADX_exp, /* CRI ADX, encoding type 4 with exponential scale */
coding_CRI_ADX_enc_8, /* CRI ADX, type 8 encryption (God Hand) */
coding_CRI_ADX_enc_9, /* CRI ADX, type 9 encryption (PSO2) */
coding_NGC_DSP, /* Nintendo DSP ADPCM */
coding_NGC_DTK, /* Nintendo DTK ADPCM (hardware disc), also called TRK or ADP */
coding_NGC_AFC, /* Nintendo AFC ADPCM */
coding_G721, /* CCITT G.721 */
coding_XA, /* CD-ROM XA */
coding_PSX, /* Sony PS ADPCM (VAG) */
coding_PSX_badflags, /* Sony PS ADPCM with garbage in the flag byte */
coding_PSX_bmdx, /* Sony PS ADPCM with BMDX encryption */
coding_PSX_cfg, /* Sony PS ADPCM with configurable frame size (FF XI, SGXD type 5, Bizarre Creations) */
coding_HEVAG, /* Sony PSVita ADPCM */
coding_EA_XA, /* Electronic Arts XA ADPCM */
coding_EA_ADPCM, /* Electronic Arts R1 ADPCM */
coding_MAXIS_ADPCM, /* Maxis ADPCM */
coding_NDS_PROCYON, /* Procyon Studio ADPCM */
coding_XBOX, /* XBOX IMA ADPCM */
coding_XBOX_int, /* XBOX IMA ADPCM (interleaved) */
coding_IMA, /* IMA ADPCM (low nibble first) */
coding_IMA_int, /* IMA ADPCM (interleaved) */
coding_DVI_IMA, /* DVI IMA ADPCM (high nibble first), aka ADP4 */
coding_DVI_IMA_int, /* DVI IMA ADPCM (Interleaved) */
coding_NDS_IMA, /* IMA ADPCM w/ NDS layout */
coding_EACS_IMA,
coding_MS_IMA, /* Microsoft IMA ADPCM */
coding_RAD_IMA, /* Radical IMA ADPCM */
coding_RAD_IMA_mono, /* Radical IMA ADPCM, mono (for interleave) */
coding_APPLE_IMA4, /* Apple Quicktime IMA4 */
coding_DAT4_IMA, /* Eurocom 'DAT4' IMA ADPCM */
coding_SNDS_IMA, /* Heavy Iron Studios .snds IMA ADPCM */
coding_OTNS_IMA, /* Omikron The Nomad Soul IMA ADPCM */
coding_FSB_IMA, /* FMOD's FSB multichannel IMA ADPCM */
coding_WWISE_IMA, /* Audiokinetic Wwise IMA ADPCM */
coding_REF_IMA, /* Reflections IMA ADPCM */
coding_MSADPCM, /* Microsoft ADPCM */
coding_WS, /* Westwood Studios VBR ADPCM */
coding_AICA, /* Yamaha AICA ADPCM */
coding_L5_555, /* Level-5 0x555 ADPCM */
coding_SASSC, /* Activision EXAKT SASSC DPCM */
coding_LSF, /* lsf ADPCM (Fastlane Street Racing iPhone)*/
coding_MTAF, /* Konami MTAF ADPCM (IMA-derived) */
coding_MTA2, /* Konami MTA2 ADPCM */
coding_MC3, /* Paradigm MC3 3-bit ADPCM */
/* others */
coding_SDX2, /* SDX2 2:1 Squareroot-Delta-Exact compression DPCM */
coding_SDX2_int, /* SDX2 2:1 Squareroot-Delta-Exact compression with sample-level interleave */
coding_CBD2, /* CBD2 2:1 Cuberoot-Delta-Exact compression DPCM */
coding_CBD2_int, /* CBD2 2:1 Cuberoot-Delta-Exact compression, with sample-level interleave */
coding_ACM, /* InterPlay ACM */
coding_NWA0, /* Visual Art's NWA (compressed at various levels) */
coding_NWA1,
coding_NWA2,
coding_NWA3,
coding_NWA4,
coding_NWA5,
coding_CRI_HCA, /* CRI High Compression Audio (MDCT-based) */
#ifdef VGM_USE_VORBIS
coding_ogg_vorbis, /* Xiph Vorbis (MDCT-based) */
coding_fsb_vorbis, /* FMOD Vorbis without Ogg layer */
coding_wwise_vorbis, /* Audiokinetic Vorbis without Ogg layer */
coding_ogl_vorbis, /* Shin'en Vorbis without Ogg layer */
#endif
#ifdef VGM_USE_MPEG
coding_fake_MPEG2_L2, /* MPEG-2 Layer 2 (AHX), with lying headers */
/* I don't even know offhand if all these combinations exist... */
coding_MPEG1_L1,
coding_MPEG1_L2,
coding_MPEG1_L3, /* good ol' MPEG-1 Layer 3 (MP3) */
coding_MPEG2_L1,
coding_MPEG2_L2,
coding_MPEG2_L3,
coding_MPEG25_L1,
coding_MPEG25_L2,
coding_MPEG25_L3,
#endif
#ifdef VGM_USE_G7221
coding_G7221, /* ITU G.722.1 (Polycom Siren 7) */
coding_G7221C, /* ITU G.722.1 annex C (Polycom Siren 14) */
#endif
#ifdef VGM_USE_G719
coding_G719, /* ITU G.719 annex B (Polycom Siren 22) */
#endif
#if defined(VGM_USE_MP4V2) && defined(VGM_USE_FDKAAC)
coding_MP4_AAC, /* AAC (MDCT-based) */
#endif
#ifdef VGM_USE_MAIATRAC3PLUS
coding_AT3plus, /* Sony ATRAC3plus (MDCT-based) */
#endif
#ifdef VGM_USE_FFMPEG
coding_FFmpeg, /* Formats handled by FFmpeg (ATRAC3, XMA, AC3, etc) */
#endif
} coding_t;
/* The layout type specifies how the sound data is laid out in the file */
typedef enum {
/* generic */
layout_none, /* straight data */
/* interleave */
layout_interleave, /* equal interleave throughout the stream */
layout_interleave_shortblock, /* interleave with a short last block */
layout_interleave_byte, /* full byte interleave */
/* headered blocks */
layout_ast_blocked,
layout_halpst_blocked,
layout_xa_blocked,
layout_ea_blocked,
layout_eacs_blocked,
layout_caf_blocked,
layout_wsi_blocked,
layout_str_snds_blocked,
layout_ws_aud_blocked,
layout_matx_blocked,
layout_de2_blocked,
layout_xvas_blocked,
layout_vs_blocked,
layout_emff_ps2_blocked,
layout_emff_ngc_blocked,
layout_gsb_blocked,
layout_thp_blocked,
layout_filp_blocked,
layout_psx_mgav_blocked,
layout_ps2_adm_blocked,
layout_dsp_bdsp_blocked,
layout_mxch_blocked,
layout_ivaud_blocked, /* GTA IV .ivaud blocks */
layout_tra_blocked, /* DefJam Rapstar .tra blocks */
layout_ps2_iab_blocked,
layout_ps2_strlr_blocked,
layout_rws_blocked,
/* otherwise odd */
layout_acm, /* libacm layout */
layout_mus_acm, /* mus has multi-files to deal with */
layout_aix, /* CRI AIX's wheels within wheels */
layout_aax, /* CRI AAX's wheels within databases */
layout_scd_int, /* deinterleave done by the SCDINTSTREAMFILE */
#ifdef VGM_USE_VORBIS
layout_ogg_vorbis, /* ogg vorbis file */
#endif
#ifdef VGM_USE_MPEG
layout_fake_mpeg, /* MPEG audio stream with bad frame headers (AHX) */
layout_mpeg, /* proper MPEG audio stream */
#endif
} layout_t;
/* The meta type specifies how we know what we know about the file.
* We may know because of a header we read, some of it may have been guessed from filenames, etc. */
typedef enum {
/* DSP-specific */
meta_DSP_STD, /* Nintendo standard GC ADPCM (DSP) header */
meta_DSP_CSMP, /* Retro: Metroid Prime 3, Donkey Kong Country Returns */
meta_DSP_CSTR, /* Star Fox Assault "Cstr" */
meta_DSP_RS03, /* Retro: Metroid Prime 2 "RS03" */
meta_DSP_STM, /* Paper Mario 2 STM */
meta_DSP_AGSC, /* Retro: Metroid Prime 2 title */
meta_DSP_MPDSP, /* Monopoly Party single header stereo */
meta_DSP_JETTERS, /* Bomberman Jetters .dsp */
meta_DSP_MSS, /* ? */
meta_DSP_GCM, /* ? */
meta_DSP_STR, /* Conan .str files */
meta_DSP_SADB, /* .sad */
meta_DSP_WSI, /* .wsi */
meta_DSP_AMTS, /* .amts */
meta_DSP_WII_IDSP, /* .gcm with IDSP header */
meta_DSP_WII_MUS, /* .mus */
meta_DSP_WII_WSD, /* Phantom Brave (WII) */
meta_WII_NDP, /* Vertigo (Wii) */
meta_DSP_YGO, /* Konami: Yu-Gi-Oh! The Falsebound Kingdom (NGC), Hikaru no Go 3 (NGC) */
/* Nintendo */
meta_STRM, /* Nintendo STRM */
meta_RSTM, /* Nintendo RSTM (similar to STRM) */
meta_AFC, /* AFC */
meta_AST, /* AST */
meta_RWSD, /* single-stream RWSD */
meta_RWAR, /* single-stream RWAR */
meta_RWAV, /* contents of RWAR */
meta_CWAV, /* contents of CWAR */
meta_FWAV, /* contents of FWAR */
meta_RSTM_SPM, /* RSTM with 44->22khz hack */
meta_THP, /* THP movie files */
meta_RSTM_shrunken, /* Atlus' mutant shortened RSTM */
meta_NDS_SWAV, /* Asphalt Urban GT 1 & 2 */
meta_NDS_RRDS, /* Ridge Racer DS */
meta_WII_BNS, /* Wii BNS Banner Sound (similar to RSTM) */
meta_STX, /* Pikmin .stx */
meta_WIIU_BTSND, /* Wii U Boot Sound */
meta_ADX_03, /* CRI ADX "type 03" */
meta_ADX_04, /* CRI ADX "type 04" */
meta_ADX_05, /* CRI ADX "type 05" */
meta_AIX, /* CRI AIX */
meta_AAX, /* CRI AAX */
meta_UTF_DSP, /* CRI ADPCM_WII, like AAX with DSP */
meta_NGC_ADPDTK, /* NGC DTK/ADP (.adp/dkt DTK) [no header_id] */
meta_kRAW, /* almost headerless PCM */
meta_RSF, /* Retro Studios RSF (Metroid Prime .rsf) [no header_id] */
meta_HALPST, /* HAL Labs HALPST */
meta_GCSW, /* GCSW (PCM) */
meta_CFN, /* Namco CAF Audio File */
meta_MYSPD, /* U-Sing .myspd */
meta_HIS, /* Her Ineractive .his */
meta_BNSF, /* Bandai Namco Sound Format */
meta_PSX_XA, /* CD-ROM XA with RIFF header */
meta_PS2_SShd, /* .ADS with SShd header */
meta_PS2_NPSF, /* Namco Production Sound File */
meta_PS2_RXWS, /* Sony games (Genji, Okage Shadow King, Arc The Lad Twilight of Spirits) */
meta_PS2_RAW, /* RAW Interleaved Format */
meta_PS2_EXST, /* Shadow of Colossus EXST */
meta_PS2_SVAG, /* Konami SVAG */
meta_PS2_MIB, /* MIB File */
meta_PS2_MIB_MIH, /* MIB File + MIH Header*/
meta_PS2_MIC, /* KOEI MIC File */
meta_PS2_VAGi, /* VAGi Interleaved File */
meta_PS2_VAGp, /* VAGp Mono File */
meta_PS2_VAGm, /* VAGp Mono File */
meta_PS2_pGAV, /* VAGp with Little Endian Header */
meta_PSX_GMS, /* GMS File (used in PS1 & PS2) [no header_id] */
meta_PS2_STR, /* Pacman STR+STH files */
meta_PS2_ILD, /* ILD File */
meta_PS2_PNB, /* PsychoNauts Bgm File */
meta_PS2_VAGs, /* VAG Stereo from Kingdom Hearts */
meta_PS2_VPK, /* VPK Audio File */
meta_PS2_BMDX, /* Beatmania thing */
meta_PS2_IVB, /* Langrisser 3 IVB */
meta_PS2_SND, /* some Might & Magics SSND header */
meta_PS2_SVS, /* Square SVS */
meta_XSS, /* Dino Crisis 3 */
meta_SL3, /* Test Drive Unlimited */
meta_HGC1, /* Knights of the Temple 2 */
meta_AUS, /* Various Capcom games */
meta_RWS, /* RenderWare games (only when using RW Audio middleware) */
meta_FSB1, /* FMOD Sample Bank, version 1 */
meta_FSB2, /* FMOD Sample Bank, version 2 */
meta_FSB3, /* FMOD Sample Bank, version 3.0/3.1 */
meta_FSB4, /* FMOD Sample Bank, version 4 */
meta_FSB5, /* FMOD Sample Bank, version 5 */
meta_RWX, /* Air Force Delta Storm (XBOX) */
meta_XWB, /* Microsoft XACT framework (Xbox, X360, Windows) */
meta_XA30, /* Driver - Parallel Lines (PS2) */
meta_MUSC, /* Spyro Games, possibly more */
meta_MUSX_V004, /* Spyro Games, possibly more */
meta_MUSX_V005, /* Spyro Games, possibly more */
meta_MUSX_V006, /* Spyro Games, possibly more */
meta_MUSX_V010, /* Spyro Games, possibly more */
meta_MUSX_V201, /* Sphinx and the cursed Mummy */
meta_LEG, /* Legaia 2 [no header_id] */
meta_FILP, /* Resident Evil - Dead Aim */
meta_IKM, /* Zwei! */
meta_SFS, /* Baroque */
meta_BG00, /* Ibara, Mushihimesama */
meta_PS2_RSTM, /* Midnight Club 3 */
meta_PS2_KCES, /* Dance Dance Revolution */
meta_PS2_DXH, /* Tokobot Plus - Myteries of the Karakuri */
meta_PS2_PSH, /* Dawn of Mana - Seiken Densetsu 4 */
meta_PCM_SCD, /* Lunar - Eternal Blue */
meta_PCM_PS2, /* Konami: Ephemeral Fantasia, Yu-Gi-Oh! The Duelists of the Roses */
meta_PS2_RKV, /* Legacy of Kain - Blood Omen 2 */
meta_PS2_PSW, /* Rayman Raving Rabbids */
meta_PS2_VAS, /* Pro Baseball Spirits 5 */
meta_PS2_TEC, /* TECMO badflagged stream */
meta_PS2_ENTH, /* Enthusia */
meta_SDT, /* Baldur's Gate - Dark Alliance */
meta_NGC_TYDSP, /* Ty - The Tasmanian Tiger */
meta_NGC_SWD, /* Conflict - Desert Storm 1 & 2 */
meta_CAPDSP, /* Capcom DSP Header [no header_id] */
meta_DC_STR, /* SEGA Stream Asset Builder */
meta_DC_STR_V2, /* variant of SEGA Stream Asset Builder */
meta_NGC_BH2PCM, /* Bio Hazard 2 */
meta_SAT_SAP, /* Bubble Symphony */
meta_DC_IDVI, /* Eldorado Gate */
meta_KRAW, /* Geometry Wars - Galaxies */
meta_PS2_OMU, /* PS2 Int file with Header */
meta_PS2_XA2, /* XG3 Extreme-G Racing */
meta_IDSP, /* Chronicles of Narnia, Soul Calibur Legends, Mario Strikers Charged */
meta_SPT_SPD, /* Various (SPT+SPT DSP) */
meta_ISH_ISD, /* Various (ISH+ISD DSP) */
meta_GSP_GSB, /* Tecmo games (Super Swing Golf 1 & 2, Quamtum Theory) */
meta_YDSP, /* WWE Day of Reckoning */
meta_FFCC_STR, /* Final Fantasy: Crystal Chronicles */
meta_WAA_WAC_WAD_WAM, /* Beyond Good & Evil */
meta_GCA, /* Metal Slug Anthology */
meta_MSVP, /* Popcap Hits */
meta_NGC_SSM, /* Golden Gashbell Full Power */
meta_PS2_JOE, /* Wall-E / Pixar games */
meta_NGC_YMF, /* WWE WrestleMania X8 */
meta_SADL, /* .sad */
meta_PS2_CCC, /* Tokyo Xtreme Racer DRIFT 2 */
meta_PSX_FAG, /* Jackie Chan - Stuntmaster */
meta_PS2_MIHB, /* Merged MIH+MIB */
meta_NGC_PDT, /* Mario Party 6 */
meta_DC_ASD, /* Miss Moonligh */
meta_NAOMI_SPSD, /* Guilty Gear X */
meta_RSD2VAG, /* RSD2VAG */
meta_RSD2PCMB, /* RSD2PCMB */
meta_RSD2XADP, /* RSD2XADP */
meta_RSD3VAG, /* RSD3VAG */
meta_RSD3GADP, /* RSD3GADP */
meta_RSD3PCM, /* RSD3PCM */
meta_RSD3PCMB, /* RSD3PCMB */
meta_RSD4PCMB, /* RSD4PCMB */
meta_RSD4PCM, /* RSD4PCM */
meta_RSD4RADP, /* RSD4RADP */
meta_RSD4VAG, /* RSD4VAG */
meta_RSD6VAG, /* RSD6VAG */
meta_RSD6WADP, /* RSD6WADP */
meta_RSD6XADP, /* RSD6XADP */
meta_RSD6RADP, /* RSD6RADP */
meta_RSD6OOGV, /* RSD6OOGV */
meta_RSD6XMA, /* RSD6XMA */
meta_PS2_ASS, /* ASS */
meta_PS2_SEG, /* Eragon */
meta_XBOX_SEG, /* Eragon */
meta_NDS_STRM_FFTA2, /* Final Fantasy Tactics A2 */
meta_STR_ASR, /* Donkey Kong Jet Race */
meta_ZWDSP, /* Zack and Wiki */
meta_VGS, /* Guitar Hero Encore - Rocks the 80s */
meta_DC_DCSW_DCS, /* Evil Twin - Cypriens Chronicles (DC) */
meta_WII_SMP, /* Mushroom Men - The Spore Wars */
meta_WII_SNG, /* Excite Trucks */
meta_EMFF_PS2, /* Eidos Music File Format for PS2*/
meta_EMFF_NGC, /* Eidos Music File Format for NGC/WII */
meta_SAT_BAKA, /* Crypt Killer */
meta_PS2_VSF, /* Musashi: Samurai Legend */
meta_PS2_VSF_TTA, /* Tiny Toon Adventures: Defenders of the Universe */
meta_ADS, /* Gauntlet Dark Legends (GC) */
meta_PS2_SPS, /* Ape Escape 2 */
meta_PS2_XA2_RRP, /* RC Revenge Pro */
meta_PS2_STM, /* Red Dead Revolver .stm, renamed .ps2stm */
meta_NGC_DSP_KONAMI, /* Konami DSP header, found in various games */
meta_UBI_CKD, /* Ubisoft CKD RIFF header (Rayman Origins Wii) */
meta_XBOX_WAVM, /* XBOX WAVM File */
meta_XBOX_RIFF, /* XBOX RIFF/WAVE File */
meta_XBOX_WVS, /* XBOX WVS */
meta_NGC_WVS, /* Metal Arms - Glitch in the System */
meta_XBOX_STMA, /* XBOX STMA */
meta_XBOX_MATX, /* XBOX MATX */
meta_XBOX_XMU, /* XBOX XMU */
meta_XBOX_XVAS, /* XBOX VAS */
meta_EAXA_R2, /* EA XA Release 2 */
meta_EAXA_R3, /* EA XA Release 3 */
meta_EAXA_PSX, /* EA with PSX ADPCM */
meta_EACS_PC, /* EACS PC */
meta_EACS_PSX, /* EACS PSX */
meta_EACS_SAT, /* EACS SATURN */
meta_EA_ADPCM, /* EA header using XA ADPCM */
meta_EA_IMA, /* EA header using IMA */
meta_EA_PCM, /* EA header using PCM */
meta_RAW, /* RAW PCM file */
meta_GENH, /* generic header */
meta_AIFC, /* Audio Interchange File Format AIFF-C */
meta_AIFF, /* Audio Interchange File Format */
meta_STR_SNDS, /* .str with SNDS blocks and SHDR header */
meta_WS_AUD, /* Westwood Studios .aud */
meta_WS_AUD_old, /* Westwood Studios .aud, old style */
meta_RIFF_WAVE, /* RIFF, for WAVs */
meta_RIFF_WAVE_POS, /* .wav + .pos for looping */
meta_RIFF_WAVE_labl, /* RIFF w/ loop Markers in LIST-adtl-labl */
meta_RIFF_WAVE_smpl, /* RIFF w/ loop data in smpl chunk */
meta_RIFF_WAVE_MWV, /* .mwv RIFF w/ loop data in ctrl chunk pflt */
meta_RIFF_WAVE_SNS, /* .sns RIFF */
meta_RIFX_WAVE, /* RIFX, for big-endian WAVs */
meta_RIFX_WAVE_smpl, /* RIFX w/ loop data in smpl chunk */
meta_XNBm, /* XNBm, which has a RIFF fmt chunk */
meta_PC_MXST, /* Lego Island MxSt */
meta_PC_SOB_SAB, /* Worms 4 Mayhem SOB+SAB file */
meta_NWA, /* Visual Art's NWA */
meta_NWA_NWAINFOINI, /* Visual Art's NWA w/ NWAINFO.INI for looping */
meta_NWA_GAMEEXEINI, /* Visual Art's NWA w/ Gameexe.ini for looping */
meta_DVI, /* DVI Interleaved */
meta_KCEY, /* KCEYCOMP */
meta_ACM, /* InterPlay ACM header */
meta_MUS_ACM, /* MUS playlist of InterPlay ACM files */
meta_DE2, /* Falcom (Gurumin) .de2 */
meta_VS, /* Men in Black .vs */
meta_FFXI_BGW, /* FFXI BGW */
meta_FFXI_SPW, /* FFXI SPW */
meta_STS_WII, /* Shikigami No Shiro 3 STS Audio File */
meta_PS2_P2BT, /* Pop'n'Music 7 Audio File */
meta_PS2_GBTS, /* Pop'n'Music 9 Audio File */
meta_NGC_DSP_IADP, /* Gamecube Interleave DSP */
meta_PS2_TK5, /* Tekken 5 Stream Files */
meta_WII_STR, /* House of The Dead Overkill STR+STH */
meta_PS2_MCG, /* Gunvari MCG Files (was name .GCM on disk) */
meta_ZSD, /* Dragon Booster ZSD */
meta_RedSpark, /* "RedSpark" RSD (MadWorld) */
meta_PC_IVAUD, /* .ivaud GTA IV */
meta_NDS_HWAS, /* Spider-Man 3, Tony Hawk's Downhill Jam, possibly more... */
meta_NGC_LPS, /* Rave Master (Groove Adventure Rave)(GC) */
meta_NAOMI_ADPCM, /* NAOMI/NAOMI2 ARcade games */
meta_SD9, /* beatmaniaIIDX16 - EMPRESS (Arcade) */
meta_2DX9, /* beatmaniaIIDX16 - EMPRESS (Arcade) */
meta_PS2_VGV, /* Rune: Viking Warlord */
meta_NGC_GCUB, /* Sega Soccer Slam */
meta_MAXIS_XA, /* Sim City 3000 (PC) */
meta_NGC_SCK_DSP, /* Scorpion King (NGC) */
meta_CAFF, /* iPhone .caf */
meta_EXAKT_SC, /* Activision EXAKT .SC (PS2) */
meta_WII_WAS, /* DiRT 2 (WII) */
meta_PONA_3DO, /* Policenauts (3DO) */
meta_PONA_PSX, /* Policenauts (PSX) */
meta_XBOX_HLWAV, /* Half Life 2 (XBOX) */
meta_PS2_AST, /* Some KOEI game (PS2) */
meta_DMSG, /* Nightcaster II - Equinox (XBOX) */
meta_NGC_DSP_AAAP, /* Turok: Evolution (NGC), Vexx (NGC) */
meta_PS2_STER, /* Juuni Kokuki: Kakukaku Taru Ou Michi Beni Midori no Uka */
meta_PS2_WB, /* Shooting Love. ~TRIZEAL~ */
meta_S14, /* raw Siren 14, 24kbit mono */
meta_SSS, /* raw Siren 14, 48kbit stereo */
meta_PS2_GCM, /* NamCollection */
meta_PS2_SMPL, /* Homura */
meta_PS2_MSA, /* Psyvariar -Complete Edition- */
meta_PS2_VOI, /* RAW Danger (Zettaizetsumei Toshi 2 - Itetsuita Kiokutachi) [PS2] */
meta_PS2_KHV, /* Kingdom Hearts 2 VAG streams */
meta_PC_SMP, /* Ghostbusters PC .smp */
meta_P3D, /* Prototype P3D */
meta_PS2_TK1, /* Tekken (NamCollection) */
meta_PS2_ADSC, /* Kenka Bancho 2: Full Throttle */
meta_NGC_BO2, /* Blood Omen 2 (NGC) */
meta_DSP_DDSP, /* Various (2 dsp files stuck together */
meta_NGC_DSP_MPDS, /* Big Air Freestyle, Terminator 3 */
meta_DSP_STR_IG, /* Micro Machines, Superman Superman: Shadow of Apokolis */
meta_PSX_MGAV, /* Future Cop L.A.P.D. */
meta_NGC_DSP_STH_STR, /* SpongeBob Squarepants (NGC), Taz Wanted (NGC), Cubix (NGC), Tak (WII)*/
meta_PS2_B1S, /* 7 Wonders of the ancient world */
meta_PS2_WAD, /* The golden Compass */
meta_DSP_XIII, /* XIII, possibly more (Ubisoft header???) */
meta_DSP_CABELAS, /* Cabelas games */
meta_PS2_ADM, /* Dragon Quest 5 */
meta_PS2_LPCM, /* Ah! My Goddess */
meta_DSP_BDSP, /* Ah! My Goddess */
meta_PS2_VMS, /* Autobahn Raser - Police Madness */
meta_XAU, /* XPEC Entertainment (Beat Down (PS2 Xbox), Spectral Force Chronicle (PS2)) */
meta_GH3_BAR, /* Guitar Hero III Mobile .bar */
meta_FFW, /* Freedom Fighters [NGC] */
meta_DSP_DSPW, /* Sengoku Basara 3 [WII] */
meta_PS2_JSTM, /* Tantei Jinguji Saburo - Kind of Blue (PS2) */
meta_SQEX_SCD, /* Square-Enix SCD */
meta_NGC_NST_DSP, /* Animaniacs [NGC] */
meta_BAF, /* Bizarre Creations (Blur, James Bond) */
meta_PS3_XVAG, /* Ratchet & Clank Future: Quest for Booty (PS3) */
meta_PS3_CPS, /* Eternal Sonata (PS3) */
meta_PS3_MSF, /* MSF header */
meta_NUB_VAG, /* Namco VAG from NUB archives */
meta_PS3_PAST, /* Bakugan Battle Brawlers (PS3) */
meta_SGXD, /* Sony: Folklore, Genji, Tokyo Jungle (PS3), Brave Story, Kurohyo (PSP) */
meta_NGCA, /* GoldenEye 007 (Wii) */
meta_WII_RAS, /* Donkey Kong Country Returns (Wii) */
meta_PS2_SPM, /* Lethal Skies Elite Pilot: Team SW */
meta_X360_TRA, /* Def Jam Rapstar */
meta_PS2_VGS, /* Princess Soft PS2 games */
meta_PS2_IAB, /* Ueki no Housoku - Taosu ze Robert Juudan!! (PS2) */
meta_PS2_STRLR, /* The Bouncer */
meta_LSF_N1NJ4N, /* .lsf n1nj4n Fastlane Street Racing (iPhone) */
meta_VAWX, /* feelplus: No More Heroes Heroes Paradise, Moon Diver */
meta_PC_SNDS, // Incredibles PC .snds
meta_PS2_WMUS, // The Warriors (PS2)
meta_HYPERSCAN_KVAG, // Hyperscan KVAG/BVG
meta_IOS_PSND, // Crash Bandicoot Nitro Kart 2 (iOS)
meta_BOS_ADP, // ADP! (Balls of Steel, PC)
meta_OTNS_ADP, // Omikron: The Nomad Soul .adp (PC/DC)
meta_EB_SFX, // Excitebots .sfx
meta_EB_SF0, // Excitebots .sf0
meta_PS3_KLBS, // L@VE ONCE (PS3)
meta_PS2_MTAF, // Metal Gear Solid 3 MTAF
meta_PS2_VAG1, // Metal Gear Solid 3 VAG1
meta_PS2_VAG2, // Metal Gear Solid 3 VAG2
meta_TUN, // LEGO Racers (PC)
meta_WPD, // Shuffle! (PC)
meta_MN_STR, // Mini Ninjas (PC/PS3/WII)
meta_MSS, // Guerilla: ShellShock Nam '67 (PS2/Xbox), Killzone (PS2)
meta_PS2_HSF, // Lowrider (PS2)
meta_PS3_IVAG, // Interleaved VAG files (PS3)
meta_PS2_2PFS, // Konami: Mahoromatic: Moetto - KiraKira Maid-San, GANTZ (PS2)
meta_PS2_VBK, // Disney's Stitch - Experiment 626
meta_OTM, // Otomedius (Arcade)
meta_CSTM, // Nintendo 3DS CSTM
meta_FSTM, // Nintendo Wii U FSTM
meta_3DS_IDSP, // Nintendo 3DS/Wii U IDSP
meta_KT_WIIBGM, // Koei Tecmo WiiBGM
meta_MCA, // Capcom MCA "MADP"
meta_XB3D_ADX, // Xenoblade Chronicles 3D ADX
meta_HCA, /* CRI HCA */
meta_PS2_SVAG_SNK, /* SNK PS2 SVAG */
meta_PS2_VDS_VDM, /* Graffiti Kingdom */
meta_X360_CXS, /* Eternal Sonata (Xbox 360) */
meta_AKB, /* SQEX iOS */
meta_NUB_XMA, /* Namco XMA from NUB archives */
meta_X360_PASX, /* Namco PASX (Soul Calibur II HD X360) */
meta_XMA_RIFF, /* Microsoft RIFF XMA */
meta_X360_AST, /* Dead Rising (X360) */
meta_WWISE_RIFF, /* Audiokinetic Wwise RIFF/RIFX */
meta_UBI_RAKI, /* Ubisoft RAKI header (Rayman Legends, Just Dance 2017) */
meta_SXD, /* Sony SXD (Gravity Rush, Freedom Wars PSV) */
meta_OGL, /* Shin'en Wii/WiiU (Jett Rocket (Wii), FAST Racing NEO (WiiU)) */
meta_MC3, /* Paradigm games (T3 PS2, MX Rider PS2, MI: Operation Surma PS2) */
meta_GTD, /* Knights Contract (X360/PS3), Valhalla Knights 3 (PSV) */
meta_TA_AAC_X360, /* tri-ace AAC (Star Ocean 4, End of Eternity, Infinite Undiscovery) */
meta_TA_AAC_PS3, /* tri-ace AAC (Star Ocean International, Resonance of Fate) */
meta_PS3_MTA2, /* Metal Gear Solid 4 MTA2 */
meta_NGC_ULW, /* Burnout 1 (GC only) */
meta_PC_XA30, /* Driver - Parallel Lines (PC) */
#ifdef VGM_USE_VORBIS
meta_OGG_VORBIS, /* Ogg Vorbis */
meta_OGG_SLI, /* Ogg Vorbis file w/ companion .sli for looping */
meta_OGG_SLI2, /* Ogg Vorbis file w/ different styled .sli for looping */
meta_OGG_SFL, /* Ogg Vorbis file w/ .sfl (RIFF SFPL) for looping */
meta_OGG_UM3, /* Ogg Vorbis with first 0x800 bytes XOR 0xFF */
meta_OGG_KOVS, /* Ogg Vorbis with exta header and 0x100 bytes XOR */
meta_OGG_PSYCH, /* Ogg Vorbis with all bytes -0x23*/
#endif
#ifdef VGM_USE_MPEG
meta_AHX, /* CRI AHX header (same structure as ADX) */
#endif
#ifdef VGM_USE_MP4V2
meta_MP4, /* AAC (iOS) */
#endif
#ifdef VGM_USE_FFMPEG
meta_FFmpeg,
#endif
} meta_t;
/* info for a single vgmstream channel */
typedef struct {
STREAMFILE * streamfile; /* file used by this channel */
off_t channel_start_offset; /* where data for this channel begins */
off_t offset; /* current location in the file */
off_t frame_header_offset; /* offset of the current frame header (for WS) */
int samples_left_in_frame; /* for WS */
/* format specific */
/* adpcm */
int16_t adpcm_coef[16]; /* for formats with decode coefficients built in */
int32_t adpcm_coef_3by32[0x60]; /* for Level-5 0x555 */
union {
int16_t adpcm_history1_16; /* previous sample */
int32_t adpcm_history1_32;
};
union {
int16_t adpcm_history2_16; /* previous previous sample */
int32_t adpcm_history2_32;
};
union {
int16_t adpcm_history3_16;
int32_t adpcm_history3_32;
};
union {
int16_t adpcm_history4_16;
int32_t adpcm_history4_32;
};
double adpcm_history1_double;
double adpcm_history2_double;
int adpcm_step_index; /* for IMA */
int adpcm_scale; /* for MS ADPCM */
/* state for G.721 decoder, sort of big but we might as well keep it around */
struct g72x_state g72x_state;
/* ADX encryption */
int adx_channels;
uint16_t adx_xor;
uint16_t adx_mult;
uint16_t adx_add;
/* BMDX encryption */
uint8_t bmdx_xor;
uint8_t bmdx_add;
/* generic encryption */
uint16_t key_xor;
} VGMSTREAMCHANNEL;
/* main vgmstream info */
typedef struct {
/* basics */
int32_t num_samples; /* the actual number of samples in this stream */
int32_t sample_rate; /* sample rate in Hz */
int channels; /* number of channels */
coding_t coding_type; /* type of encoding */
layout_t layout_type; /* type of layout for data */
meta_t meta_type; /* how we know the metadata */
int num_streams; /* info only, for a few multi-stream formats (0=not set/one, 1=one stream) */
/* looping */
int loop_flag; /* is this stream looped? */
int32_t loop_start_sample; /* first sample of the loop (included in the loop) */
int32_t loop_end_sample; /* last sample of the loop (not included in the loop) */
/* channels */
VGMSTREAMCHANNEL * ch; /* pointer to array of channels */
/* channel copies */
VGMSTREAMCHANNEL * start_ch; /* copies of channel status as they were at the beginning of the stream */
VGMSTREAMCHANNEL * loop_ch; /* copies of channel status as they were at the loop point */
/* layout-specific */
int32_t current_sample; /* number of samples we've passed */
int32_t samples_into_block; /* number of samples into the current block */
/* interleave */
size_t interleave_block_size; /* interleave for this file */
size_t interleave_smallblock_size; /* smaller interleave for last block */
/* headered blocks */
off_t current_block_offset; /* start of this block (offset of block header) */
size_t current_block_size; /* size of the block we're in now (usable data) */
size_t full_block_size; /* size including padding and other unusable data */
off_t next_block_offset; /* offset of header of the next block */
int block_count; /* count of "semi" block in total block */
/* loop layout (saved values) */
int32_t loop_sample; /* saved from current_sample, should be loop_start_sample... */
int32_t loop_samples_into_block;/* saved from samples_into_block */
off_t loop_block_offset; /* saved from current_block_offset */
size_t loop_block_size; /* saved from current_block_size */
off_t loop_next_block_offset; /* saved from next_block_offset */
/* loop internals */
int hit_loop; /* have we seen the loop yet? */
/* counters for "loop + play end of the stream instead of fading" (not used/needed otherwise) */
int loop_count; /* number of complete loops (1=looped once) */
int loop_target; /* max loops before continuing with the stream end */
/* decoder specific */
int codec_endian; /* little/big endian marker; name is left vague but usually means big endian */
uint8_t xa_channel; /* XA ADPCM: selected channel */
int32_t xa_sector_length; /* XA ADPCM: XA block */
uint8_t xa_headerless; /* XA ADPCM: headerless XA block */
int8_t get_high_nibble; /* ADPCM: which nibble (XA, IMA, EA) */
uint8_t ea_big_endian; /* EA ADPCM stuff */
uint8_t ea_compression_type;
uint8_t ea_compression_version;
uint8_t ea_platform;
int32_t ws_output_size; /* WS ADPCM: output bytes for this block */
int32_t thpNextFrameSize; /* THP */
void * start_vgmstream; /* a copy of the VGMSTREAM as it was at the beginning of the stream (for AAX/AIX/SCD) */
/* Data the codec needs for the whole stream. This is for codecs too
* different from vgmstream's structure to be reasonably shoehorned into
* using the ch structures.
* Note also that support must be added for resetting, looping and
* closing for every codec that uses this, as it will not be handled. */
void * codec_data;
} VGMSTREAM;
#ifdef VGM_USE_VORBIS
/* Ogg with Vorbis */
typedef struct {
STREAMFILE *streamfile;
ogg_int64_t offset;
ogg_int64_t size;
ogg_int64_t other_header_bytes;
/* XOR setup (SCD) */
int decryption_enabled;
void (*decryption_callback)(void *ptr, size_t size, size_t nmemb, void *datasource, int bytes_read);
uint8_t scd_xor;
off_t scd_xor_length;
} ogg_vorbis_streamfile;
typedef struct {
OggVorbis_File ogg_vorbis_file;
int bitstream;
ogg_vorbis_streamfile ov_streamfile;
} ogg_vorbis_codec_data;
/* config for Wwise Vorbis */
typedef enum { HEADER_TRIAD, FULL_SETUP, INLINE_CODEBOOKS, EXTERNAL_CODEBOOKS, AOTUV603_CODEBOOKS } wwise_setup_type;
typedef enum { TYPE_8, TYPE_6, TYPE_2 } wwise_header_type;
typedef enum { STANDARD, MODIFIED } wwise_packet_type;
/* any raw Vorbis without Ogg layer */
typedef struct {
vorbis_info vi; /* stream settings */
vorbis_comment vc; /* stream comments */
vorbis_dsp_state vd; /* decoder global state */
vorbis_block vb; /* decoder local state */
ogg_packet op; /* fake packet for internal use */
uint8_t * buffer; /* internal raw data buffer */
size_t buffer_size;
size_t samples_to_discard; /* for looping purposes */
int samples_full; /* flag, samples available in vorbis buffers */
/* Wwise Vorbis config */
wwise_setup_type setup_type;
wwise_header_type header_type;
wwise_packet_type packet_type;
/* saved data to reconstruct modified packets */
uint8_t mode_blockflag[64+1]; /* max 6b+1; flags 'n stuff */
int mode_bits; /* bits to store mode_number */
uint8_t prev_blockflag; /* blockflag in the last decoded packet */
} vorbis_codec_data;
#endif
#ifdef VGM_USE_MPEG
typedef struct {
uint8_t *buffer; /* raw (coded) data buffer */
size_t buffer_size;
size_t bytes_in_buffer;
int buffer_full; /* raw buffer has been filled */
int buffer_used; /* raw buffer has been fed to the decoder */
mpg123_handle *m; /* "base" MPEG stream */
/* base values, assumed to be constant in the file */
int sample_rate_per_frame;
int channels_per_frame;
size_t samples_per_frame;
size_t samples_to_discard; /* for interleaved looping */
/* interleaved MPEG internals */
int interleaved; /* flag */
mpg123_handle **ms; /* array of MPEG streams */
size_t ms_size;
uint8_t *frame_buffer; /* temp buffer with samples from a single decoded frame */
size_t frame_buffer_size;
uint8_t *interleave_buffer; /* intermediate buffer with samples from all channels */
size_t interleave_buffer_size;
size_t bytes_in_interleave_buffer;
size_t bytes_used_in_interleave_buffer;
/* messy stuff for padded FSB frames */
size_t fixed_frame_size; /* when given a fixed size (XVAG) */
size_t current_frame_size;
int fsb_padding; /* for FSBs that have extra garbage between frames */
size_t current_padding; /* padding needed for current frame size */
} mpeg_codec_data;
#endif
#ifdef VGM_USE_G7221
typedef struct {
sample buffer[640];
g7221_handle *handle;
} g7221_codec_data;
#endif
#ifdef VGM_USE_G719
typedef struct {
sample buffer[960];
g719_handle *handle;
} g719_codec_data;
#endif
#ifdef VGM_USE_MAIATRAC3PLUS
typedef struct {
sample *buffer;
int channels;
int samples_discard;
void *handle;
} maiatrac3plus_codec_data;
#endif
/* with one file this is also used for just ACM */
typedef struct {
int file_count;
int current_file;
/* the index we return to upon loop completion */
int loop_start_file;
/* one after the index of the last file, typically
* will be equal to file_count */
int loop_end_file;
/* Upon exit from a loop, which file to play. */
/* -1 if there is no such file */
/*int end_file;*/
ACMStream **files;
} mus_acm_codec_data;
#define AIX_BUFFER_SIZE 0x1000
/* AIXery */
typedef struct {
sample buffer[AIX_BUFFER_SIZE];
int segment_count;
int stream_count;
int current_segment;
/* one per segment */
int32_t *sample_counts;
/* organized like:
* segment1_stream1, segment1_stream2, segment2_stream1, segment2_stream2*/
VGMSTREAM **adxs;
} aix_codec_data;
typedef struct {
int segment_count;
int current_segment;
int loop_segment;
/* one per segment */
int32_t *sample_counts;
VGMSTREAM **adxs;
} aax_codec_data;
/* for compressed NWA */
typedef struct {
NWAData *nwa;
} nwa_codec_data;
/* SQEX SCD interleaved */
typedef struct {
int substream_count;
VGMSTREAM **substreams;
STREAMFILE **intfiles;
} scd_int_codec_data;
typedef struct {
STREAMFILE *streamfile;
uint64_t start;
uint64_t size;
clHCA_stInfo info;
unsigned int curblock;
unsigned int sample_ptr, samples_discard;
signed short sample_buffer[clHCA_samplesPerBlock * 16];
// clHCA exists here
} hca_codec_data;
#ifdef VGM_USE_FFMPEG
typedef struct {
/*** init data ***/
STREAMFILE *streamfile;
// offset and total size of raw stream data
uint64_t start;
uint64_t size;
// offset into stream, includes header_size if header exists
uint64_t offset;
// inserted header, ie. fake RIFF header
uint8_t *header_insert_block;
// header/fake RIFF over the real (parseable by FFmpeg) file start
uint64_t header_size;
/*** "public" API (read-only) ***/
// stream info
int channels;
int bitsPerSample;
int floatingPoint;
int sampleRate;
int bitrate;
// extra info: 0 if unknown or not fixed
int64_t totalSamples; // estimated count (may not be accurate for some demuxers)
int64_t blockAlign; // coded block of bytes, counting channels (the block can be joint stereo)
int64_t frameSize; // decoded samples per block
int64_t skipSamples; // number of start samples that will be skipped (encoder delay), for looping adjustments
int streamCount; // number of FFmpeg audio streams
/*** internal state ***/
// Intermediate byte buffer
uint8_t *sampleBuffer;
// max samples we can held (can be less or more than frameSize)
size_t sampleBufferBlock;
// FFmpeg context used for metadata
AVCodec *codec;
// FFmpeg decoder state
unsigned char *buffer;
AVIOContext *ioCtx;
int streamIndex;
AVFormatContext *formatCtx;
AVCodecContext *codecCtx;
AVFrame *lastDecodedFrame;
AVPacket *lastReadPacket;
int bytesConsumedFromDecodedFrame;
int readNextPacket;
int endOfStream;
int endOfAudio;
int skipSamplesSet; // flag to know skip samples were manually added from vgmstream
// Seeking is not ideal, so rollback is necessary
int samplesToDiscard;
} ffmpeg_codec_data;
#endif
#ifdef VGM_USE_MP4V2
typedef struct {
STREAMFILE *streamfile;
uint64_t start;
uint64_t offset;
uint64_t size;
} mp4_streamfile;
#ifdef VGM_USE_FDKAAC
typedef struct {
mp4_streamfile if_file;
MP4FileHandle h_mp4file;
MP4TrackId track_id;
unsigned long sampleId, numSamples;
UINT codec_init_data_size;
HANDLE_AACDECODER h_aacdecoder;
unsigned int sample_ptr, samples_per_frame, samples_discard;
INT_PCM sample_buffer[( (6) * (2048)*4 )];
} mp4_aac_codec_data;
#endif
#endif
/* -------------------------------------------------------------------------*/
/* vgmstream "public" API */
/* -------------------------------------------------------------------------*/
/* do format detection, return pointer to a usable VGMSTREAM, or NULL on failure */
VGMSTREAM * init_vgmstream(const char * const filename);
VGMSTREAM * init_vgmstream_from_STREAMFILE(STREAMFILE *streamFile);
/* reset a VGMSTREAM to start of stream */
void reset_vgmstream(VGMSTREAM * vgmstream);
/* close an open vgmstream */
void close_vgmstream(VGMSTREAM * vgmstream);
/* calculate the number of samples to be played based on looping parameters */
int32_t get_vgmstream_play_samples(double looptimes, double fadeseconds, double fadedelayseconds, VGMSTREAM * vgmstream);
/* render! */
void render_vgmstream(sample * buffer, int32_t sample_count, VGMSTREAM * vgmstream);
/* Write a description of the stream into array pointed by desc,
* which must be length bytes long. Will always be null-terminated if length > 0 */
void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length);
/* Return the average bitrate in bps of all unique files contained within this
* stream. Compares files by absolute paths. */
int get_vgmstream_average_bitrate(VGMSTREAM * vgmstream);
/* -------------------------------------------------------------------------*/
/* vgmstream "private" API */
/* -------------------------------------------------------------------------*/
/* allocate a VGMSTREAM and channel stuff */
VGMSTREAM * allocate_vgmstream(int channel_count, int looped);
/* smallest self-contained group of samples is a frame */
int get_vgmstream_samples_per_frame(VGMSTREAM * vgmstream);
/* number of bytes per frame */
int get_vgmstream_frame_size(VGMSTREAM * vgmstream);
/* in NDS IMA the frame size is the block size, so the last one is short */
int get_vgmstream_samples_per_shortframe(VGMSTREAM * vgmstream);
int get_vgmstream_shortframe_size(VGMSTREAM * vgmstream);
/* Assume that we have written samples_written into the buffer already, and we have samples_to_do consecutive
* samples ahead of us. Decode those samples into the buffer. */
void decode_vgmstream(VGMSTREAM * vgmstream, int samples_written, int samples_to_do, sample * buffer);
/* Assume additionally that we have samples_to_do consecutive samples in "data",
* and this this is for channel number "channel" */
void decode_vgmstream_mem(VGMSTREAM * vgmstream, int samples_written, int samples_to_do, sample * buffer, uint8_t * data, int channel);
/* calculate number of consecutive samples to do (taking into account stopping for loop start and end) */
int vgmstream_samples_to_do(int samples_this_block, int samples_per_frame, VGMSTREAM * vgmstream);
/* Detect start and save values, also detect end and restore values. Only works on exact sample values.
* Returns 1 if loop was done. */
int vgmstream_do_loop(VGMSTREAM * vgmstream);
/* Open the stream for reading at offset (standarized taking into account layouts, channels and so on).
* returns 0 on failure */
int vgmstream_open_stream(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t start_offset);
#endif
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