vgmstream/src/vgmstream.c

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#ifdef _MSC_VER
#define _CRT_SECURE_NO_DEPRECATE
#endif
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "vgmstream.h"
#include "meta/meta.h"
#include "layout/layout.h"
#include "coding/coding.h"
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#include "base/decode.h"
#include "base/render.h"
#include "base/mixing.h"
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#include "util/sf_utils.h"
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typedef VGMSTREAM* (*init_vgmstream_t)(STREAMFILE*);
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static void try_dual_file_stereo(VGMSTREAM* opened_vgmstream, STREAMFILE* sf, init_vgmstream_t init_vgmstream_function);
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/* list of metadata parser functions that will recognize files, used on init */
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init_vgmstream_t init_vgmstream_functions[] = {
init_vgmstream_adx,
init_vgmstream_brstm,
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init_vgmstream_brwav,
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init_vgmstream_bfwav,
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init_vgmstream_bcwav,
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init_vgmstream_brwar,
init_vgmstream_nds_strm,
init_vgmstream_afc,
init_vgmstream_ast,
init_vgmstream_halpst,
init_vgmstream_rs03,
init_vgmstream_ngc_dsp_std,
init_vgmstream_ngc_dsp_std_le,
init_vgmstream_ngc_mdsp_std,
init_vgmstream_csmp,
init_vgmstream_rfrm,
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init_vgmstream_cstr,
init_vgmstream_gcsw,
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init_vgmstream_ads,
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init_vgmstream_nps,
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init_vgmstream_xa,
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init_vgmstream_rxws,
init_vgmstream_ngc_dsp_stm,
init_vgmstream_exst,
init_vgmstream_svag_kcet,
init_vgmstream_ngc_mpdsp,
init_vgmstream_ngc_dsp_std_int,
init_vgmstream_vag,
init_vgmstream_vag_aaap,
init_vgmstream_ild,
init_vgmstream_ngc_str,
init_vgmstream_ea_schl,
init_vgmstream_caf,
init_vgmstream_vpk,
init_vgmstream_genh,
init_vgmstream_ogg_vorbis,
init_vgmstream_sfl_ogg,
init_vgmstream_sadb,
init_vgmstream_ps2_bmdx,
init_vgmstream_wsi,
init_vgmstream_aifc,
init_vgmstream_str_snds,
init_vgmstream_ws_aud,
init_vgmstream_ahx,
init_vgmstream_ivb,
init_vgmstream_svs,
init_vgmstream_riff,
init_vgmstream_rifx,
init_vgmstream_nwa,
init_vgmstream_ea_1snh,
init_vgmstream_ea_eacs,
init_vgmstream_xss,
init_vgmstream_sl3,
init_vgmstream_hgc1,
init_vgmstream_aus,
init_vgmstream_rws,
init_vgmstream_fsb,
init_vgmstream_fsb4_wav,
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init_vgmstream_fsb5,
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init_vgmstream_rwax,
init_vgmstream_xwb,
init_vgmstream_ps2_xa30,
init_vgmstream_musc,
init_vgmstream_musx,
init_vgmstream_filp,
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init_vgmstream_ikm,
init_vgmstream_ster,
init_vgmstream_bg00,
init_vgmstream_sat_dvi,
init_vgmstream_dc_kcey,
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init_vgmstream_rstm_rockstar,
init_vgmstream_acm,
init_vgmstream_mus_acm,
init_vgmstream_ps2_kces,
init_vgmstream_hxd,
init_vgmstream_vsv,
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init_vgmstream_ps2_pcm,
init_vgmstream_ps2_rkv,
init_vgmstream_ps2_vas,
init_vgmstream_ps2_vas_container,
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init_vgmstream_lp_ap_lep,
init_vgmstream_sdt,
init_vgmstream_aix,
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init_vgmstream_wvs_xbox,
init_vgmstream_wvs_ngc,
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init_vgmstream_str_sega,
init_vgmstream_str_sega_custom,
init_vgmstream_dec,
init_vgmstream_vs,
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init_vgmstream_xmu,
init_vgmstream_xvas,
init_vgmstream_sat_sap,
init_vgmstream_dc_idvi,
init_vgmstream_ps2_rnd,
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init_vgmstream_idsp_tt,
init_vgmstream_kraw,
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init_vgmstream_omu,
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init_vgmstream_xa2_acclaim,
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init_vgmstream_idsp_nl,
init_vgmstream_idsp_ie,
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init_vgmstream_ymf,
init_vgmstream_sadl,
init_vgmstream_fag,
init_vgmstream_ps2_mihb,
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init_vgmstream_ngc_pdt_split,
init_vgmstream_ngc_pdt,
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init_vgmstream_mus_krome,
init_vgmstream_dc_asd,
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init_vgmstream_spsd,
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init_vgmstream_rsd,
init_vgmstream_bgw,
init_vgmstream_spw,
init_vgmstream_ps2_ass,
init_vgmstream_ubi_jade,
init_vgmstream_ubi_jade_container,
init_vgmstream_seg,
init_vgmstream_nds_strm_ffta2,
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init_vgmstream_knon,
init_vgmstream_gca,
init_vgmstream_spt_spd,
init_vgmstream_ish_isd,
init_vgmstream_gsnd,
init_vgmstream_ydsp,
init_vgmstream_ngc_ssm,
init_vgmstream_ps2_joe,
init_vgmstream_vgs,
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init_vgmstream_dcs_wav,
init_vgmstream_mul,
init_vgmstream_thp,
init_vgmstream_sts,
init_vgmstream_ps2_p2bt,
init_vgmstream_ps2_gbts,
init_vgmstream_wii_sng,
init_vgmstream_ngc_dsp_iadp,
init_vgmstream_aax,
init_vgmstream_utf_dsp,
init_vgmstream_ngc_ffcc_str,
init_vgmstream_sat_baka,
init_vgmstream_swav,
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init_vgmstream_vsf,
init_vgmstream_nds_rrds,
init_vgmstream_ps2_vsf_tta,
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init_vgmstream_ads_midway,
init_vgmstream_ps2_mcg,
init_vgmstream_zsd,
init_vgmstream_vgs_ps,
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init_vgmstream_redspark,
init_vgmstream_wii_wsd,
init_vgmstream_dsp_ndp,
init_vgmstream_ps2_sps,
init_vgmstream_nds_hwas,
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init_vgmstream_ngc_lps,
init_vgmstream_ps2_snd,
init_vgmstream_naomi_adpcm,
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init_vgmstream_sd9,
init_vgmstream_2dx9,
init_vgmstream_dsp_ygo,
init_vgmstream_ps2_vgv,
init_vgmstream_gcub,
init_vgmstream_maxis_xa,
init_vgmstream_ngc_sck_dsp,
init_vgmstream_apple_caff,
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init_vgmstream_pc_mxst,
init_vgmstream_sab,
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init_vgmstream_bns,
init_vgmstream_wii_was,
init_vgmstream_pona_3do,
init_vgmstream_pona_psx,
init_vgmstream_xbox_hlwav,
init_vgmstream_myspd,
init_vgmstream_his,
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init_vgmstream_ast_mmv,
init_vgmstream_ast_mv,
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init_vgmstream_dmsg,
init_vgmstream_ngc_dsp_aaap,
init_vgmstream_ngc_dsp_konami,
init_vgmstream_wb,
init_vgmstream_bnsf,
init_vgmstream_ps2_gcm,
init_vgmstream_smpl,
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init_vgmstream_msa,
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init_vgmstream_voi,
init_vgmstream_ngc_rkv,
init_vgmstream_dsp_ddsp,
init_vgmstream_p3d,
init_vgmstream_ngc_dsp_mpds,
init_vgmstream_dsp_str_ig,
init_vgmstream_ea_swvr,
init_vgmstream_ps2_b1s,
init_vgmstream_dsp_xiii,
init_vgmstream_dsp_cabelas,
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init_vgmstream_lpcm_shade,
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init_vgmstream_ps2_vms,
init_vgmstream_xau,
init_vgmstream_bar,
init_vgmstream_ffw,
init_vgmstream_dsp_dspw,
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init_vgmstream_jstm,
init_vgmstream_xvag,
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init_vgmstream_cps,
init_vgmstream_sqex_scd,
init_vgmstream_ngc_nst_dsp,
init_vgmstream_baf,
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init_vgmstream_msf,
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init_vgmstream_ps3_past,
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init_vgmstream_sgxd,
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init_vgmstream_wii_ras,
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init_vgmstream_spm,
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init_vgmstream_ps2_iab,
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init_vgmstream_vs_str,
init_vgmstream_lsf_n1nj4n,
init_vgmstream_xwav_new,
init_vgmstream_xwav_old,
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init_vgmstream_hyperscan_kvag,
init_vgmstream_ios_psnd,
init_vgmstream_adp_wildfire,
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init_vgmstream_adp_qd,
init_vgmstream_eb_sfx,
init_vgmstream_eb_sf0,
init_vgmstream_mtaf,
init_vgmstream_alp,
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init_vgmstream_wpd,
init_vgmstream_mn_str,
init_vgmstream_mss,
init_vgmstream_ps2_hsf,
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init_vgmstream_ivag,
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init_vgmstream_ps2_2pfs,
init_vgmstream_xnb,
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init_vgmstream_ubi_ckd,
init_vgmstream_ps2_vbk,
init_vgmstream_otm,
init_vgmstream_bcstm,
init_vgmstream_idsp_namco,
init_vgmstream_kt_g1l,
init_vgmstream_kt_wiibgm,
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init_vgmstream_bfstm,
init_vgmstream_mca,
#if 0
init_vgmstream_mp4_aac,
#endif
#if defined(VGM_USE_MP4V2) && defined(VGM_USE_FDKAAC)
init_vgmstream_akb_mp4,
#endif
init_vgmstream_ktss,
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init_vgmstream_hca,
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init_vgmstream_svag_snk,
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init_vgmstream_ps2_vds_vdm,
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init_vgmstream_cxs,
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init_vgmstream_adx_monster,
init_vgmstream_akb,
init_vgmstream_akb2,
#ifdef VGM_USE_FFMPEG
init_vgmstream_mp4_aac_ffmpeg,
#endif
init_vgmstream_bik,
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init_vgmstream_astb,
init_vgmstream_wwise,
init_vgmstream_ubi_raki,
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init_vgmstream_pasx,
init_vgmstream_xma,
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init_vgmstream_sndx,
init_vgmstream_ogl,
init_vgmstream_mc3,
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init_vgmstream_ghs,
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init_vgmstream_aac_triace,
init_vgmstream_va3,
init_vgmstream_mta2,
init_vgmstream_mta2_container,
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init_vgmstream_xa_xa30,
init_vgmstream_xa_04sw,
init_vgmstream_ea_bnk,
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init_vgmstream_ea_abk,
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init_vgmstream_ea_hdr_dat,
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init_vgmstream_ea_hdr_dat_v2,
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init_vgmstream_ea_map_mus,
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init_vgmstream_ea_mpf_mus,
init_vgmstream_ea_schl_fixed,
init_vgmstream_sk_aud,
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init_vgmstream_stma,
init_vgmstream_ea_snu,
init_vgmstream_awc,
init_vgmstream_opus_std,
init_vgmstream_opus_n1,
init_vgmstream_opus_capcom,
init_vgmstream_opus_nop,
init_vgmstream_opus_shinen,
init_vgmstream_opus_nus3,
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init_vgmstream_opus_sps_n1,
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init_vgmstream_opus_nxa,
init_vgmstream_pc_ast,
init_vgmstream_naac,
init_vgmstream_ubi_sb,
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init_vgmstream_ubi_sm,
init_vgmstream_ubi_bnm,
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init_vgmstream_ubi_bnm_ps2,
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init_vgmstream_ubi_dat,
init_vgmstream_ubi_blk,
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init_vgmstream_ezw,
init_vgmstream_vxn,
init_vgmstream_ea_snr_sns,
init_vgmstream_ea_sps,
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init_vgmstream_ea_abk_eaac,
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init_vgmstream_ea_hdr_sth_dat,
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init_vgmstream_ea_mpf_mus_eaac,
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init_vgmstream_ea_tmx,
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init_vgmstream_ea_sbr,
init_vgmstream_ea_sbr_harmony,
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init_vgmstream_vid1,
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init_vgmstream_flx,
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init_vgmstream_mogg,
init_vgmstream_kma9,
init_vgmstream_xwc,
init_vgmstream_atsl,
init_vgmstream_sps_n1,
init_vgmstream_atx,
init_vgmstream_sqex_sead,
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init_vgmstream_waf,
init_vgmstream_wave,
init_vgmstream_wave_segmented,
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init_vgmstream_smv,
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init_vgmstream_nxap,
init_vgmstream_ea_wve_au00,
init_vgmstream_ea_wve_ad10,
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init_vgmstream_sthd,
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init_vgmstream_pcm_sre,
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init_vgmstream_dsp_mcadpcm,
init_vgmstream_ubi_lyn,
init_vgmstream_ubi_lyn_container,
init_vgmstream_msb_msh,
init_vgmstream_txtp,
init_vgmstream_smc_smh,
init_vgmstream_ppst,
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init_vgmstream_sps_n1_segmented,
init_vgmstream_ubi_bao_pk,
init_vgmstream_ubi_bao_atomic,
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init_vgmstream_dsp_switch_audio,
init_vgmstream_sadf,
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init_vgmstream_h4m,
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init_vgmstream_ads_container,
init_vgmstream_asf,
init_vgmstream_xmd,
init_vgmstream_cks,
init_vgmstream_ckb,
init_vgmstream_wv6,
init_vgmstream_str_wav,
init_vgmstream_wavebatch,
init_vgmstream_hd3_bd3,
init_vgmstream_bnk_sony,
init_vgmstream_nus3bank,
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init_vgmstream_sscf,
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init_vgmstream_dsp_sps_n1,
init_vgmstream_dsp_itl_ch,
init_vgmstream_a2m,
init_vgmstream_ahv,
init_vgmstream_msv,
init_vgmstream_sdf,
init_vgmstream_svg,
init_vgmstream_vis,
init_vgmstream_vai,
init_vgmstream_aif_asobo,
init_vgmstream_ao,
init_vgmstream_apc,
init_vgmstream_wv2,
init_vgmstream_xau_konami,
init_vgmstream_derf,
init_vgmstream_utk,
init_vgmstream_adpcm_capcom,
init_vgmstream_ue4opus,
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init_vgmstream_xwma,
init_vgmstream_xopus,
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init_vgmstream_vs_square,
init_vgmstream_msf_banpresto_wmsf,
init_vgmstream_msf_banpresto_2msf,
init_vgmstream_nwav,
init_vgmstream_xpcm,
init_vgmstream_msf_tamasoft,
init_vgmstream_xps_dat,
init_vgmstream_xps,
init_vgmstream_zsnd,
init_vgmstream_opus_opusx,
init_vgmstream_dsp_adpy,
init_vgmstream_dsp_adpx,
init_vgmstream_ogg_opus,
init_vgmstream_nus3audio,
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init_vgmstream_imc,
init_vgmstream_imc_container,
init_vgmstream_smp,
init_vgmstream_gin,
init_vgmstream_dsf,
init_vgmstream_208,
init_vgmstream_dsp_ds2,
init_vgmstream_ffdl,
init_vgmstream_mus_vc,
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init_vgmstream_strm_abylight,
init_vgmstream_sfh,
init_vgmstream_ea_schl_video,
init_vgmstream_msf_konami,
init_vgmstream_xwma_konami,
init_vgmstream_9tav,
init_vgmstream_fsb5_fev_bank,
init_vgmstream_bwav,
init_vgmstream_opus_prototype,
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init_vgmstream_awb,
init_vgmstream_acb,
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init_vgmstream_rad,
init_vgmstream_smk,
init_vgmstream_mzrt_v0,
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init_vgmstream_xavs,
init_vgmstream_psf_single,
init_vgmstream_psf_segmented,
init_vgmstream_dsp_itl,
init_vgmstream_sch,
init_vgmstream_ima,
init_vgmstream_nub,
init_vgmstream_nub_wav,
init_vgmstream_nub_vag,
init_vgmstream_nub_at3,
init_vgmstream_nub_xma,
init_vgmstream_nub_idsp,
init_vgmstream_nub_is14,
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init_vgmstream_xwv_valve,
init_vgmstream_ubi_hx,
init_vgmstream_bmp_konami,
init_vgmstream_opus_opusnx,
init_vgmstream_opus_sqex,
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init_vgmstream_isb,
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init_vgmstream_xssb,
init_vgmstream_xma_ue3,
init_vgmstream_csb,
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init_vgmstream_fwse,
init_vgmstream_fda,
init_vgmstream_kwb,
init_vgmstream_lrmd,
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init_vgmstream_bkhd,
init_vgmstream_bkhd_fx,
init_vgmstream_diva,
init_vgmstream_imuse,
init_vgmstream_ktsr,
init_vgmstream_mups,
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init_vgmstream_kat,
init_vgmstream_pcm_success,
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init_vgmstream_ktsc,
init_vgmstream_adp_konami,
init_vgmstream_zwv,
init_vgmstream_dsb,
init_vgmstream_bsf,
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init_vgmstream_sdrh_new,
init_vgmstream_sdrh_old,
init_vgmstream_wady,
init_vgmstream_dsp_sqex,
init_vgmstream_dsp_wiivoice,
init_vgmstream_xws,
init_vgmstream_cpk,
init_vgmstream_opus_nsopus,
init_vgmstream_sbk,
init_vgmstream_dsp_wiiadpcm,
init_vgmstream_dsp_cwac,
init_vgmstream_ifs,
init_vgmstream_acx,
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init_vgmstream_compresswave,
init_vgmstream_ktac,
init_vgmstream_mzrt_v1,
init_vgmstream_bsnf,
init_vgmstream_tac,
init_vgmstream_idsp_tose,
2021-04-03 17:43:37 +02:00
init_vgmstream_dsp_kwa,
2021-04-10 22:47:11 +02:00
init_vgmstream_ogv_3rdeye,
init_vgmstream_sspr,
init_vgmstream_piff_tpcm,
init_vgmstream_wxd_wxh,
init_vgmstream_bnk_relic,
init_vgmstream_xsh_xsd_xss,
init_vgmstream_psb,
init_vgmstream_lopu_fb,
init_vgmstream_lpcm_fb,
init_vgmstream_wbk,
init_vgmstream_wbk_nslb,
init_vgmstream_dsp_apex,
init_vgmstream_ubi_ckd_cwav,
init_vgmstream_sspf,
2022-04-09 15:15:43 +02:00
init_vgmstream_opus_rsnd,
init_vgmstream_s3v,
init_vgmstream_esf,
2022-05-01 12:17:57 +02:00
init_vgmstream_adm3,
init_vgmstream_tt_ad,
init_vgmstream_bw_mp3_riff,
init_vgmstream_bw_riff_mp3,
2022-06-26 17:05:31 +02:00
init_vgmstream_sndz,
2022-08-04 10:02:38 +02:00
init_vgmstream_vab,
init_vgmstream_bigrp,
init_vgmstream_sscf_encrypted,
2023-01-23 00:50:19 +01:00
init_vgmstream_s_p_sth,
init_vgmstream_utf_ahx,
init_vgmstream_ego_dic,
2023-06-24 15:06:01 +02:00
init_vgmstream_awd,
init_vgmstream_rws_809,
init_vgmstream_pwb,
init_vgmstream_squeakstream,
init_vgmstream_squeaksample,
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init_vgmstream_snds,
init_vgmstream_adm2,
/* lower priority metas (no clean header identity, somewhat ambiguous, or need extension/companion file to identify) */
2022-10-22 15:14:57 +02:00
init_vgmstream_scd_pcm,
init_vgmstream_agsc,
init_vgmstream_ps2_wmus,
init_vgmstream_mib_mih,
2022-01-22 22:56:35 +01:00
init_vgmstream_mjb_mjh,
init_vgmstream_mic_koei,
init_vgmstream_seb,
init_vgmstream_tgc,
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init_vgmstream_ivaud,
2023-06-25 23:33:00 +02:00
/* need companion files */
init_vgmstream_pos,
init_vgmstream_sli_loops,
/* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
init_vgmstream_txth, /* proper parsers should supersede TXTH, once added */
2022-12-31 17:05:43 +01:00
init_vgmstream_dtk, /* semi-raw GC streamed files */
2022-06-19 19:36:57 +02:00
init_vgmstream_mpeg, /* semi-raw MP3 */
2021-08-26 18:48:19 +02:00
init_vgmstream_btsnd, /* semi-headerless */
2023-06-25 23:33:00 +02:00
init_vgmstream_fsb_encrypted,
init_vgmstream_nus3bank_encrypted,
2022-12-31 17:05:43 +01:00
init_vgmstream_encrypted, /* encrypted stuff */
2023-06-24 16:40:17 +02:00
init_vgmstream_raw_rsf, /* raw GC streamed files */
2019-09-02 22:32:02 +02:00
init_vgmstream_raw_int, /* .int raw PCM */
init_vgmstream_ps_headerless, /* tries to detect a bunch of PS-ADPCM formats */
init_vgmstream_raw_snds, /* .snds raw SNDS IMA */
2019-09-02 22:32:02 +02:00
init_vgmstream_raw_wavm, /* .wavm raw xbox */
init_vgmstream_raw_pcm, /* .raw raw PCM */
init_vgmstream_raw_s14_sss, /* .s14/sss raw siren14 */
2021-11-18 00:17:40 +01:00
init_vgmstream_exakt_sc, /* .sc raw PCM */
2020-10-12 23:31:07 +02:00
init_vgmstream_zwdsp, /* fake format */
2021-11-18 00:17:40 +01:00
init_vgmstream_ps2_adm, /* weird non-constant PSX blocks */
2022-12-31 17:05:43 +01:00
init_vgmstream_rwsd, /* crap, to be removed */
#ifdef VGM_USE_FFMPEG
init_vgmstream_ffmpeg, /* may play anything incorrectly, since FFmpeg doesn't check extensions */
#endif
};
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#define LOCAL_ARRAY_LENGTH(array) (sizeof(array) / sizeof(array[0]))
static const int init_vgmstream_count = LOCAL_ARRAY_LENGTH(init_vgmstream_functions);
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/*****************************************************************************/
/* INIT/META */
/*****************************************************************************/
/* internal version with all parameters */
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static VGMSTREAM* init_vgmstream_internal(STREAMFILE* sf) {
if (!sf)
return NULL;
/* try a series of formats, see which works */
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for (int i = 0; i < init_vgmstream_count; i++) {
init_vgmstream_t init_vgmstream_function = init_vgmstream_functions[i];
/* call init function and see if valid VGMSTREAM was returned */
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VGMSTREAM* vgmstream = init_vgmstream_function(sf);
if (!vgmstream)
continue;
/* fail if there is nothing/too much to play (<=0 generates empty files, >N writes GBs of garbage) */
if (vgmstream->num_samples <= 0 || vgmstream->num_samples > VGMSTREAM_MAX_NUM_SAMPLES) {
2019-03-02 19:23:37 +01:00
VGM_LOG("VGMSTREAM: wrong num_samples %i\n", vgmstream->num_samples);
2017-11-25 00:43:18 +01:00
close_vgmstream(vgmstream);
continue;
}
2019-03-02 19:23:37 +01:00
/* everything should have a reasonable sample rate */
if (vgmstream->sample_rate < VGMSTREAM_MIN_SAMPLE_RATE || vgmstream->sample_rate > VGMSTREAM_MAX_SAMPLE_RATE) {
VGM_LOG("VGMSTREAM: wrong sample_rate %i\n", vgmstream->sample_rate);
2017-11-25 00:43:18 +01:00
close_vgmstream(vgmstream);
continue;
}
/* sanify loops and remove bad metadata */
2017-11-25 00:43:18 +01:00
if (vgmstream->loop_flag) {
if (vgmstream->loop_end_sample <= vgmstream->loop_start_sample
|| vgmstream->loop_end_sample > vgmstream->num_samples
|| vgmstream->loop_start_sample < 0) {
VGM_LOG("VGMSTREAM: wrong loops ignored (lss=%i, lse=%i, ns=%i)\n",
vgmstream->loop_start_sample, vgmstream->loop_end_sample, vgmstream->num_samples);
vgmstream->loop_flag = 0;
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = 0;
}
2017-11-25 00:43:18 +01:00
}
2017-11-25 00:43:18 +01:00
/* test if candidate for dual stereo */
if (vgmstream->channels == 1 && vgmstream->allow_dual_stereo == 1) {
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try_dual_file_stereo(vgmstream, sf, init_vgmstream_function);
2017-11-25 00:43:18 +01:00
}
2019-02-17 23:53:37 +01:00
/* clean as loops are readable metadata but loop fields may contain garbage
* (done *after* dual stereo as it needs loop fields to match) */
if (!vgmstream->loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = 0;
}
#ifdef VGM_USE_FFMPEG
2017-11-25 00:43:18 +01:00
/* check FFmpeg streams here, for lack of a better place */
if (vgmstream->coding_type == coding_FFmpeg) {
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int ffmpeg_subsongs = ffmpeg_get_subsong_count(vgmstream->codec_data);
if (ffmpeg_subsongs && !vgmstream->num_streams) {
vgmstream->num_streams = ffmpeg_subsongs;
}
2017-11-25 00:43:18 +01:00
}
#endif
/* some players are picky with incorrect channel layouts */
if (vgmstream->channel_layout > 0) {
int output_channels = vgmstream->channels;
int ch, count = 0, max_ch = 32;
for (ch = 0; ch < max_ch; ch++) {
int bit = (vgmstream->channel_layout >> ch) & 1;
if (ch > 17 && bit) {
VGM_LOG("VGMSTREAM: wrong bit %i in channel_layout %x\n", ch, vgmstream->channel_layout);
vgmstream->channel_layout = 0;
break;
}
count += bit;
}
if (count > output_channels) {
VGM_LOG("VGMSTREAM: wrong totals %i in channel_layout %x\n", count, vgmstream->channel_layout);
vgmstream->channel_layout = 0;
}
}
/* files can have thousands subsongs, but let's put a limit */
2019-03-09 23:27:28 +01:00
if (vgmstream->num_streams < 0 || vgmstream->num_streams > VGMSTREAM_MAX_SUBSONGS) {
VGM_LOG("VGMSTREAM: wrong num_streams (ns=%i)\n", vgmstream->num_streams);
close_vgmstream(vgmstream);
continue;
}
2017-11-25 00:43:18 +01:00
/* save info */
/* stream_index 0 may be used by plugins to signal "vgmstream default" (IOW don't force to 1) */
if (vgmstream->stream_index == 0) {
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vgmstream->stream_index = sf->stream_index;
}
setup_vgmstream(vgmstream); /* final setup */
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return vgmstream;
}
2017-11-25 00:43:18 +01:00
/* not supported */
return NULL;
}
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void setup_vgmstream(VGMSTREAM* vgmstream) {
2019-02-25 00:38:35 +01:00
/* save start things so we can restart when seeking */
memcpy(vgmstream->start_ch, vgmstream->ch, sizeof(VGMSTREAMCHANNEL)*vgmstream->channels);
memcpy(vgmstream->start_vgmstream, vgmstream, sizeof(VGMSTREAM));
/* layout's sub-VGMSTREAM are expected to setup externally and maybe call this,
* as they can be created using init_vgmstream or manually */
}
/* format detection and VGMSTREAM setup, uses default parameters */
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VGMSTREAM* init_vgmstream(const char* const filename) {
VGMSTREAM* vgmstream = NULL;
STREAMFILE* sf = open_stdio_streamfile(filename);
if (sf) {
vgmstream = init_vgmstream_from_STREAMFILE(sf);
close_streamfile(sf);
}
return vgmstream;
}
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VGMSTREAM* init_vgmstream_from_STREAMFILE(STREAMFILE* sf) {
return init_vgmstream_internal(sf);
}
/* Reset a VGMSTREAM to its state at the start of playback (when a plugin seeks back to zero). */
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void reset_vgmstream(VGMSTREAM* vgmstream) {
/* reset the VGMSTREAM and channels back to their original state */
memcpy(vgmstream, vgmstream->start_vgmstream, sizeof(VGMSTREAM));
memcpy(vgmstream->ch, vgmstream->start_ch, sizeof(VGMSTREAMCHANNEL)*vgmstream->channels);
/* loop_ch is not reset here because there is a possibility of the
* init_vgmstream_* function doing something tricky and precomputing it.
* Otherwise hit_loop will be 0 and it will be copied over anyway when we
* really hit the loop start. */
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decode_reset(vgmstream);
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render_reset(vgmstream);
/* note that this does not reset the constituent STREAMFILES
2020-07-17 22:35:32 +02:00
* (vgmstream->ch[N].streamfiles' internal state, like internal offset, though shouldn't matter) */
}
/* Allocate memory and setup a VGMSTREAM */
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VGMSTREAM* allocate_vgmstream(int channel_count, int loop_flag) {
VGMSTREAM* vgmstream;
/* up to ~16-24 aren't too rare for multilayered files, more is probably a bug */
2019-02-23 23:38:53 +01:00
if (channel_count <= 0 || channel_count > VGMSTREAM_MAX_CHANNELS) {
2018-08-15 17:36:20 +02:00
VGM_LOG("VGMSTREAM: error allocating %i channels\n", channel_count);
2018-02-25 12:17:51 +01:00
return NULL;
2018-08-15 17:36:20 +02:00
}
/* VGMSTREAM's alloc'ed internals work as follows:
* - vgmstream: main struct (config+state) modified by metas, layouts and codings as needed
* - ch: config+state per channel, also modified by those
* - start_vgmstream: vgmstream clone copied on init_vgmstream and restored on reset_vgmstream
* - start_ch: ch clone copied on init_vgmstream and restored on reset_vgmstream
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* - loop_ch: ch clone copied on loop start and restored on loop end (decode_do_loop)
* - codec/layout_data: custom state for complex codecs or layouts, handled externally
*
* Here we only create the basic structs to be filled, and only after init_vgmstream it
* can be considered ready. Clones are shallow copies, in that they share alloc'ed struts
* (like, vgmstream->ch and start_vgmstream->ch will be the same after init_vgmstream, or
* start_vgmstream->start_vgmstream will end up pointing to itself)
*
* This is all a bit too brittle, so code alloc'ing or changing anything sensitive should
* take care clones are properly synced.
*/
/* create vgmstream + main structs (other data is 0'ed) */
vgmstream = calloc(1,sizeof(VGMSTREAM));
if (!vgmstream) return NULL;
2020-07-29 19:34:55 +02:00
vgmstream->start_vgmstream = calloc(1,sizeof(VGMSTREAM));
if (!vgmstream->start_vgmstream) goto fail;
vgmstream->ch = calloc(channel_count,sizeof(VGMSTREAMCHANNEL));
if (!vgmstream->ch) goto fail;
vgmstream->start_ch = calloc(channel_count,sizeof(VGMSTREAMCHANNEL));
if (!vgmstream->start_ch) goto fail;
if (loop_flag) {
vgmstream->loop_ch = calloc(channel_count,sizeof(VGMSTREAMCHANNEL));
if (!vgmstream->loop_ch) goto fail;
}
/* garbage buffer for decode discarding (local bufs may cause stack overflows with segments/layers)
* in theory the bigger the better but in practice there isn't much difference */
vgmstream->tmpbuf_size = 0x10000; /* for all channels */
vgmstream->tmpbuf = malloc(sizeof(sample_t) * vgmstream->tmpbuf_size);
vgmstream->channels = channel_count;
vgmstream->loop_flag = loop_flag;
2019-03-09 20:50:58 +01:00
mixing_init(vgmstream); /* pre-init */
2019-03-24 01:21:09 +01:00
2020-08-12 17:41:03 +02:00
/* BEWARE: try_dual_file_stereo does some free'ing too */
2019-02-25 00:38:35 +01:00
//vgmstream->stream_name_size = STREAM_NAME_SIZE;
return vgmstream;
fail:
if (vgmstream) {
2019-03-24 01:21:09 +01:00
mixing_close(vgmstream);
free(vgmstream->tmpbuf);
free(vgmstream->ch);
free(vgmstream->start_ch);
free(vgmstream->loop_ch);
free(vgmstream->start_vgmstream);
}
free(vgmstream);
return NULL;
}
2020-07-17 22:35:32 +02:00
void close_vgmstream(VGMSTREAM* vgmstream) {
if (!vgmstream)
return;
2023-05-15 16:14:29 +02:00
decode_free(vgmstream);
2020-07-17 22:35:32 +02:00
vgmstream->codec_data = NULL;
2023-05-15 16:14:29 +02:00
render_free(vgmstream);
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vgmstream->layout_data = NULL;
/* now that the special cases have had their chance, clean up the standard items */
{
int i,j;
for (i = 0; i < vgmstream->channels; i++) {
if (vgmstream->ch[i].streamfile) {
close_streamfile(vgmstream->ch[i].streamfile);
/* Multiple channels might have the same streamfile. Find the others
* that are the same as this and clear them so they won't be closed again. */
for (j = 0; j < vgmstream->channels; j++) {
if (i != j && vgmstream->ch[j].streamfile == vgmstream->ch[i].streamfile) {
vgmstream->ch[j].streamfile = NULL;
}
}
vgmstream->ch[i].streamfile = NULL;
}
}
}
2019-03-24 01:21:09 +01:00
2019-03-09 20:50:58 +01:00
mixing_close(vgmstream);
free(vgmstream->tmpbuf);
free(vgmstream->ch);
free(vgmstream->start_ch);
free(vgmstream->loop_ch);
free(vgmstream->start_vgmstream);
free(vgmstream);
}
void vgmstream_force_loop(VGMSTREAM* vgmstream, int loop_flag, int loop_start_sample, int loop_end_sample) {
if (!vgmstream) return;
/* ignore bad values (may happen with layers + TXTP loop install) */
if (loop_flag && (loop_start_sample < 0 ||
loop_start_sample > loop_end_sample ||
loop_end_sample > vgmstream->num_samples))
return;
/* this requires a bit more messing with the VGMSTREAM than I'm comfortable with... */
if (loop_flag && !vgmstream->loop_flag && !vgmstream->loop_ch) {
2020-07-26 11:19:52 +02:00
vgmstream->loop_ch = calloc(vgmstream->channels, sizeof(VGMSTREAMCHANNEL));
if (!vgmstream->loop_ch) loop_flag = 0; /* ??? */
}
2020-07-26 11:19:52 +02:00
#if 0
/* allow in case loop_flag is re-enabled later */
2018-09-06 16:44:42 +02:00
else if (!loop_flag && vgmstream->loop_flag) {
2020-07-26 11:19:52 +02:00
free(vgmstream->loop_ch);
vgmstream->loop_ch = NULL;
}
2020-07-26 11:19:52 +02:00
#endif
vgmstream->loop_flag = loop_flag;
2020-07-26 11:19:52 +02:00
if (loop_flag) {
vgmstream->loop_start_sample = loop_start_sample;
vgmstream->loop_end_sample = loop_end_sample;
}
#if 0 /* keep metadata as it's may be shown (with 'loop disabled' info) */
else {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = 0;
}
#endif
/* propagate changes to layouts that need them */
if (vgmstream->layout_type == layout_layered) {
int i;
2020-07-26 11:19:52 +02:00
layered_layout_data* data = vgmstream->layout_data;
/* layered loops using the internal VGMSTREAMs */
for (i = 0; i < data->layer_count; i++) {
2020-07-26 11:19:52 +02:00
if (!data->layers[i]->config_enabled) /* only in simple mode */
vgmstream_force_loop(data->layers[i], loop_flag, loop_start_sample, loop_end_sample);
/* layer's force_loop also calls setup_vgmstream, no need to do it here */
}
}
/* segmented layout loops with standard loop start/end values and works ok */
/* notify of new initial state */
setup_vgmstream(vgmstream);
}
void vgmstream_set_loop_target(VGMSTREAM* vgmstream, int loop_target) {
if (!vgmstream) return;
2020-07-29 19:34:55 +02:00
if (!vgmstream->loop_flag) return;
vgmstream->loop_target = loop_target; /* loop count must be rounded (int) as otherwise target is meaningless */
/* propagate changes to layouts that need them */
if (vgmstream->layout_type == layout_layered) {
int i;
layered_layout_data *data = vgmstream->layout_data;
for (i = 0; i < data->layer_count; i++) {
vgmstream_set_loop_target(data->layers[i], loop_target);
}
}
2019-02-25 00:38:35 +01:00
/* notify of new initial state */
setup_vgmstream(vgmstream);
}
2020-07-18 00:12:44 +02:00
/*******************************************************************************/
/* MISC */
/*******************************************************************************/
/* See if there is a second file which may be the second channel, given an already opened mono vgmstream.
* If a suitable file is found, open it and change opened_vgmstream to a stereo vgmstream. */
2023-05-15 16:14:29 +02:00
static void try_dual_file_stereo(VGMSTREAM* opened_vgmstream, STREAMFILE* sf, init_vgmstream_t init_vgmstream_function) {
/* filename search pairs for dual file stereo */
2020-07-17 22:35:32 +02:00
static const char* const dfs_pairs[][2] = {
2019-11-03 18:37:20 +01:00
{"L","R"}, /* most common in .dsp and .vag */
{"l","r"}, /* same */
{"left","right"}, /* Freaky Flyers (GC) .adp, Velocity (PSP) .vag, Hyper Fighters (Wii) .dsp */
{"Left","Right"}, /* Geometry Wars: Galaxies (Wii) .dsp */
{".V0",".V1"}, /* Homura (PS2) */
{".L",".R"}, /* Crash Nitro Racing (PS2), Gradius V (PS2) */
2019-11-03 18:37:20 +01:00
{"_0.dsp","_1.dsp"}, /* Wario World (GC) */
{".adpcm","_NxEncoderOut_.adpcm"}, /* Kill la Kill: IF (Switch) */
{".adpcm","_2.adpcm"}, /* Desire: Remaster Version (Switch) */
};
char new_filename[PATH_LIMIT];
2020-07-17 22:35:32 +02:00
char* extension;
int dfs_pair = -1; /* -1=no stereo, 0=opened_vgmstream is left, 1=opened_vgmstream is right */
2020-07-17 22:35:32 +02:00
VGMSTREAM* new_vgmstream = NULL;
STREAMFILE* dual_sf = NULL;
int i,j, dfs_pair_count, extension_len, filename_len;
if (opened_vgmstream->channels != 1)
return;
2019-03-10 00:28:16 +01:00
/* custom codec/layouts aren't designed for this (should never get here anyway) */
if (opened_vgmstream->codec_data || opened_vgmstream->layout_data)
return;
//todo other layouts work but some stereo codecs do weird things
//if (opened_vgmstream->layout != layout_none) return;
2020-07-17 22:35:32 +02:00
get_streamfile_name(sf, new_filename, sizeof(new_filename));
filename_len = strlen(new_filename);
if (filename_len < 2)
return;
extension = (char *)filename_extension(new_filename);
if (extension - new_filename >= 1 && extension[-1] == '.') /* [-1] is ok, yeah */
extension--; /* must include "." */
extension_len = strlen(extension);
2019-03-10 00:28:16 +01:00
/* find pair from base name and modify new_filename with the opposite (tries L>R then R>L) */
dfs_pair_count = (sizeof(dfs_pairs)/sizeof(dfs_pairs[0]));
for (i = 0; dfs_pair == -1 && i < dfs_pair_count; i++) {
for (j = 0; dfs_pair == -1 && j < 2; j++) {
2020-07-17 22:35:32 +02:00
const char* this_suffix = dfs_pairs[i][j];
const char* that_suffix = dfs_pairs[i][j^1];
size_t this_suffix_len = strlen(dfs_pairs[i][j]);
size_t that_suffix_len = strlen(dfs_pairs[i][j^1]);
//;VGM_LOG("DFS: l=%s, r=%s\n", this_suffix,that_suffix);
/* if suffix matches paste opposite suffix (+ terminator) to extension pointer, thus to new_filename */
2019-11-03 18:37:20 +01:00
if (filename_len > this_suffix_len && strchr(this_suffix, '.') != NULL) { /* same suffix with extension */
//;VGM_LOG("DFS: suf+ext %s vs %s len %i\n", new_filename, this_suffix, this_suffix_len);
if (memcmp(new_filename + (filename_len - this_suffix_len), this_suffix, this_suffix_len) == 0) {
memcpy (new_filename + (filename_len - this_suffix_len), that_suffix,that_suffix_len+1);
dfs_pair = j;
}
}
2019-11-03 18:37:20 +01:00
else if (filename_len - extension_len > this_suffix_len) { /* same suffix without extension */
//;VGM_LOG("DFS: suf-ext %s vs %s len %i\n", extension - this_suffix_len, this_suffix, this_suffix_len);
if (memcmp(extension - this_suffix_len, this_suffix,this_suffix_len) == 0) {
memmove(extension + that_suffix_len - this_suffix_len, extension,extension_len+1); /* move old extension to end */
memcpy (extension - this_suffix_len, that_suffix,that_suffix_len); /* overwrite with new suffix */
dfs_pair = j;
}
}
if (dfs_pair != -1) {
//VGM_LOG("DFS: try %i: %s\n", dfs_pair, new_filename);
/* try to init other channel (new_filename now has the opposite name) */
2020-07-17 22:35:32 +02:00
dual_sf = open_streamfile(sf, new_filename);
if (!dual_sf) {
/* restore filename and keep trying (if found it'll break and init) */
dfs_pair = -1;
2020-07-17 22:35:32 +02:00
get_streamfile_name(sf, new_filename, sizeof(new_filename));
}
}
}
}
/* filename didn't have a suitable L/R-pair name */
if (dfs_pair == -1)
goto fail;
//;VGM_LOG("DFS: match %i filename=%s\n", dfs_pair, new_filename);
2020-07-17 22:35:32 +02:00
new_vgmstream = init_vgmstream_function(dual_sf); /* use the init function that just worked */
close_streamfile(dual_sf);
/* see if we were able to open the file, and if everything matched nicely */
if (!(new_vgmstream &&
new_vgmstream->channels == 1 &&
/* we have seen legitimate pairs where these are off by one...
* but leaving it commented out until I can find those and recheck */
/* abs(new_vgmstream->num_samples-opened_vgmstream->num_samples <= 1) && */
new_vgmstream->num_samples == opened_vgmstream->num_samples &&
new_vgmstream->sample_rate == opened_vgmstream->sample_rate &&
new_vgmstream->meta_type == opened_vgmstream->meta_type &&
new_vgmstream->coding_type == opened_vgmstream->coding_type &&
new_vgmstream->layout_type == opened_vgmstream->layout_type &&
/* check even if the layout doesn't use them, because it is
* difficult to determine when it does, and they should be zero otherwise, anyway */
new_vgmstream->interleave_block_size == opened_vgmstream->interleave_block_size &&
new_vgmstream->interleave_last_block_size == opened_vgmstream->interleave_last_block_size)) {
goto fail;
}
/* check these even if there is no loop, because they should then be zero in both
2019-02-25 00:38:35 +01:00
* (Homura PS2 right channel doesn't have loop points so this check is ignored) */
if (new_vgmstream->meta_type != meta_SMPL &&
!(new_vgmstream->loop_flag == opened_vgmstream->loop_flag &&
new_vgmstream->loop_start_sample== opened_vgmstream->loop_start_sample &&
new_vgmstream->loop_end_sample == opened_vgmstream->loop_end_sample)) {
goto fail;
}
/* We seem to have a usable, matching file. Merge in the second channel. */
{
2020-07-17 22:35:32 +02:00
VGMSTREAMCHANNEL* new_chans;
VGMSTREAMCHANNEL* new_loop_chans = NULL;
VGMSTREAMCHANNEL* new_start_chans = NULL;
/* build the channels */
new_chans = calloc(2,sizeof(VGMSTREAMCHANNEL));
if (!new_chans) goto fail;
memcpy(&new_chans[dfs_pair],&opened_vgmstream->ch[0],sizeof(VGMSTREAMCHANNEL));
memcpy(&new_chans[dfs_pair^1],&new_vgmstream->ch[0],sizeof(VGMSTREAMCHANNEL));
/* loop and start will be initialized later, we just need to allocate them here */
new_start_chans = calloc(2,sizeof(VGMSTREAMCHANNEL));
if (!new_start_chans) {
free(new_chans);
goto fail;
}
if (opened_vgmstream->loop_ch) {
new_loop_chans = calloc(2,sizeof(VGMSTREAMCHANNEL));
if (!new_loop_chans) {
free(new_chans);
free(new_start_chans);
goto fail;
}
}
/* remove the existing structures */
/* not using close_vgmstream as that would close the file */
free(opened_vgmstream->ch);
free(new_vgmstream->ch);
free(opened_vgmstream->start_ch);
free(new_vgmstream->start_ch);
if (opened_vgmstream->loop_ch) {
free(opened_vgmstream->loop_ch);
free(new_vgmstream->loop_ch);
}
/* fill in the new structures */
opened_vgmstream->ch = new_chans;
opened_vgmstream->start_ch = new_start_chans;
opened_vgmstream->loop_ch = new_loop_chans;
/* stereo! */
opened_vgmstream->channels = 2;
if (opened_vgmstream->layout_type == layout_interleave)
opened_vgmstream->layout_type = layout_none; /* fixes some odd cases */
/* discard the second VGMSTREAM */
mixing_close(new_vgmstream);
2020-08-12 17:41:03 +02:00
free(new_vgmstream->tmpbuf);
free(new_vgmstream->start_vgmstream);
free(new_vgmstream);
2019-03-10 00:28:16 +01:00
mixing_update_channel(opened_vgmstream); /* notify of new channel hacked-in */
}
return;
fail:
close_vgmstream(new_vgmstream);
return;
}
2017-03-09 20:38:52 +01:00
/**
* Inits vgmstream, doing two things:
2017-03-09 20:38:52 +01:00
* - sets the starting offset per channel (depending on the layout)
* - opens its own streamfile from on a base one. One streamfile per channel may be open (to improve read/seeks).
* Should be called in metas before returning the VGMSTREAM.
2017-03-09 20:38:52 +01:00
*/
2020-05-01 16:32:33 +02:00
int vgmstream_open_stream(VGMSTREAM* vgmstream, STREAMFILE* sf, off_t start_offset) {
return vgmstream_open_stream_bf(vgmstream, sf, start_offset, 0);
}
int vgmstream_open_stream_bf(VGMSTREAM* vgmstream, STREAMFILE* sf, off_t start_offset, int force_multibuffer) {
STREAMFILE* file = NULL;
char filename[PATH_LIMIT];
int ch;
int use_streamfile_per_channel = 0;
int use_same_offset_per_channel = 0;
int is_stereo_codec = 0;
2017-03-09 20:38:52 +01:00
2019-03-24 01:21:09 +01:00
if (vgmstream == NULL) {
VGM_LOG("VGMSTREAM: buggy code (null vgmstream)\n");
goto fail;
}
2023-06-24 15:06:01 +02:00
/* no need to open anything */
if (vgmstream->coding_type == coding_SILENCE)
return 1;
2019-03-24 01:21:09 +01:00
/* stream/offsets not needed, managed by layout */
if (vgmstream->layout_type == layout_segmented ||
vgmstream->layout_type == layout_layered)
2017-03-09 20:38:52 +01:00
return 1;
/* stream/offsets not needed, managed by decoder */
if (vgmstream->coding_type == coding_NWA ||
vgmstream->coding_type == coding_ACM ||
vgmstream->coding_type == coding_CRI_HCA)
return 1;
#ifdef VGM_USE_VORBIS
/* stream/offsets not needed, managed by decoder */
if (vgmstream->coding_type == coding_OGG_VORBIS)
return 1;
#endif
#ifdef VGM_USE_FFMPEG
/* stream/offsets not needed, managed by decoder */
2017-03-09 20:38:52 +01:00
if (vgmstream->coding_type == coding_FFmpeg)
return 1;
#endif
if ((vgmstream->coding_type == coding_CRI_ADX ||
vgmstream->coding_type == coding_CRI_ADX_enc_8 ||
vgmstream->coding_type == coding_CRI_ADX_enc_9 ||
vgmstream->coding_type == coding_CRI_ADX_exp ||
vgmstream->coding_type == coding_CRI_ADX_fixed) &&
(vgmstream->interleave_block_size == 0 || vgmstream->interleave_block_size > 0x12)) {
VGM_LOG("VGMSTREAM: ADX decoder with wrong frame size %x\n", vgmstream->interleave_block_size);
2019-10-20 01:24:59 +02:00
goto fail;
}
if ((vgmstream->coding_type == coding_MSADPCM || vgmstream->coding_type == coding_MSADPCM_ck ||
vgmstream->coding_type == coding_MSADPCM_int ||
vgmstream->coding_type == coding_MS_IMA || vgmstream->coding_type == coding_MS_IMA_mono ||
vgmstream->coding_type == coding_PSX_cfg || vgmstream->coding_type == coding_PSX_pivotal
) &&
2019-10-20 01:24:59 +02:00
vgmstream->frame_size == 0) {
vgmstream->frame_size = vgmstream->interleave_block_size;
}
if ((vgmstream->coding_type == coding_PSX_cfg ||
vgmstream->coding_type == coding_PSX_pivotal) &&
(vgmstream->frame_size == 0 || vgmstream->frame_size > 0x50)) {
VGM_LOG("VGMSTREAM: PSX-cfg decoder with wrong frame size %x\n", vgmstream->frame_size);
goto fail;
}
if ((vgmstream->coding_type == coding_MSADPCM ||
vgmstream->coding_type == coding_MSADPCM_ck ||
vgmstream->coding_type == coding_MSADPCM_int) &&
(vgmstream->frame_size == 0 || vgmstream->frame_size > MSADPCM_MAX_BLOCK_SIZE)) {
VGM_LOG("VGMSTREAM: MSADPCM decoder with wrong frame size %x\n", vgmstream->frame_size);
goto fail;
}
2020-04-23 17:42:57 +02:00
/* big interleaved values for non-interleaved data may result in incorrect behavior,
* quick fix for now since layouts are finicky, with 'interleave' left for meta info
* (certain layouts+codecs combos results in funny output too, should rework the whole thing) */
if (vgmstream->layout_type == layout_interleave
&& vgmstream->channels == 1
&& vgmstream->interleave_block_size > 0) {
/* main codecs that use arbitrary interleaves but could happen for others too */
switch(vgmstream->coding_type) {
case coding_NGC_DSP:
case coding_NGC_DSP_subint:
case coding_PSX:
case coding_PSX_badflags:
vgmstream->interleave_block_size = 0;
break;
default:
break;
}
}
/* if interleave is big enough keep a buffer per channel */
if (vgmstream->interleave_block_size * vgmstream->channels >= STREAMFILE_DEFAULT_BUFFER_SIZE) {
use_streamfile_per_channel = 1;
}
/* if blocked layout (implicit) use multiple streamfiles; using only one leads to
2019-11-03 17:57:07 +01:00
* lots of buffer-trashing, with all the jumping around in the block layout
* (this increases total of data read but still seems faster) */
if (vgmstream->layout_type != layout_none && vgmstream->layout_type != layout_interleave) {
use_streamfile_per_channel = 1;
}
2020-05-01 16:32:33 +02:00
/* for hard-to-detect fixed offsets or full interleave */
if (force_multibuffer) {
use_streamfile_per_channel = 1;
}
2017-03-09 20:38:52 +01:00
/* for mono or codecs like IMA (XBOX, MS IMA, MS ADPCM) where channels work with the same bytes */
2017-02-18 18:27:21 +01:00
if (vgmstream->layout_type == layout_none) {
use_same_offset_per_channel = 1;
}
/* stereo codecs interleave in 2ch pairs (interleave size should still be: full_block_size / channels) */
if (vgmstream->layout_type == layout_interleave &&
(vgmstream->coding_type == coding_XBOX_IMA || vgmstream->coding_type == coding_MTAF)) {
is_stereo_codec = 1;
}
2020-05-01 16:32:33 +02:00
if (sf == NULL || start_offset < 0) {
2019-03-24 01:21:09 +01:00
VGM_LOG("VGMSTREAM: buggy code (null streamfile / wrong start_offset)\n");
goto fail;
}
2020-05-01 16:32:33 +02:00
get_streamfile_name(sf, filename, sizeof(filename));
/* open the file for reading by each channel */
{
if (!use_streamfile_per_channel) {
2020-05-01 16:32:33 +02:00
file = open_streamfile(sf, filename);
if (!file) goto fail;
}
for (ch = 0; ch < vgmstream->channels; ch++) {
off_t offset;
if (use_same_offset_per_channel) {
offset = start_offset;
} else if (is_stereo_codec) {
int ch_mod = (ch & 1) ? ch - 1 : ch; /* adjust odd channels (ch 0,1,2,3,4,5 > ch 0,0,2,2,4,4) */
offset = start_offset + vgmstream->interleave_block_size * ch_mod;
} else if (vgmstream->interleave_first_block_size) {
/* start_offset assumes + vgmstream->interleave_first_block_size, maybe should do it here */
offset = start_offset + (vgmstream->interleave_first_block_size + vgmstream->interleave_first_skip) * ch;
} else {
offset = start_offset + vgmstream->interleave_block_size * ch;
}
2019-11-03 17:57:07 +01:00
/* open new one if needed, useful to avoid jumping around when each channel data is too apart
* (don't use when data is close as it'd make buffers read the full file multiple times) */
if (use_streamfile_per_channel) {
2020-05-01 16:32:33 +02:00
file = open_streamfile(sf,filename);
if (!file) goto fail;
}
vgmstream->ch[ch].streamfile = file;
2020-05-01 16:32:33 +02:00
vgmstream->ch[ch].channel_start_offset = offset;
vgmstream->ch[ch].offset = offset;
}
}
/* init first block for blocked layout (if not blocked this will do nothing) */
block_update(start_offset, vgmstream);
/* EA-MT decoder is a bit finicky and needs this when channel offsets change */
if (vgmstream->coding_type == coding_EA_MT) {
flush_ea_mt(vgmstream);
}
return 1;
fail:
/* open streams will be closed in close_vgmstream(), hopefully called by the meta */
return 0;
}
int vgmstream_is_virtual_filename(const char* filename) {
int len = strlen(filename);
if (len < 6)
return 0;
/* vgmstream can play .txtp files that have size 0 but point to another file with config
* based only in the filename (ex. "file.fsb #2.txtp" plays 2nd subsong of file.fsb).
*
* Also, .m3u playlist can include files that don't exist, and players often allow filenames
* pointing to nothing (since could be some protocol/url).
*
* Plugins can use both quirks to allow "virtual files" (.txtp) in .m3u that don't need
* to exist but allow config. Plugins with this function if the filename is virtual,
* and their STREAMFILEs should be modified as to ignore null FILEs and report size 0. */
return strcmp(&filename[len-5], ".txtp") == 0;
}