#ifdef _MSC_VER #define _CRT_SECURE_NO_DEPRECATE #endif #include #include #include #include "vgmstream.h" #include "meta/meta.h" #include "layout/layout.h" #include "coding/coding.h" #include "decode.h" #include "render.h" #include "mixing.h" static void try_dual_file_stereo(VGMSTREAM* opened_vgmstream, STREAMFILE* sf, VGMSTREAM* (*init_vgmstream_function)(STREAMFILE*)); /* list of metadata parser functions that will recognize files, used on init */ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = { init_vgmstream_adx, init_vgmstream_brstm, init_vgmstream_bfwav, init_vgmstream_bfstm, init_vgmstream_mca, init_vgmstream_btsnd, init_vgmstream_nds_strm, init_vgmstream_agsc, init_vgmstream_ngc_adpdtk, init_vgmstream_rsf, 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, init_vgmstream_cstr, init_vgmstream_gcsw, init_vgmstream_ps2_ads, init_vgmstream_nps, init_vgmstream_rwsd, init_vgmstream_xa, init_vgmstream_ps2_rxws, init_vgmstream_ps2_rxw, init_vgmstream_ngc_dsp_stm, init_vgmstream_ps2_exst, init_vgmstream_svag_kcet, init_vgmstream_mib_mih, init_vgmstream_ngc_mpdsp, init_vgmstream_ps2_mic, init_vgmstream_ngc_dsp_std_int, init_vgmstream_vag, init_vgmstream_vag_aaap, init_vgmstream_seb, init_vgmstream_ps2_ild, init_vgmstream_ps2_pnb, init_vgmstream_ngc_str, init_vgmstream_ea_schl, init_vgmstream_caf, init_vgmstream_vpk, init_vgmstream_genh, #ifdef VGM_USE_VORBIS init_vgmstream_ogg_vorbis, #endif init_vgmstream_sli_ogg, init_vgmstream_sfl_ogg, #if 0 init_vgmstream_mp4_aac, #endif #if defined(VGM_USE_MP4V2) && defined(VGM_USE_FDKAAC) init_vgmstream_akb_mp4, #endif 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_pos, 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, init_vgmstream_fsb5, init_vgmstream_rwx, init_vgmstream_xwb, init_vgmstream_ps2_xa30, init_vgmstream_musc, init_vgmstream_musx, init_vgmstream_leg, init_vgmstream_filp, init_vgmstream_ikm_ps2, init_vgmstream_ikm_pc, init_vgmstream_ikm_psp, init_vgmstream_sfs, init_vgmstream_bg00, init_vgmstream_sat_dvi, init_vgmstream_dc_kcey, init_vgmstream_ps2_rstm, init_vgmstream_acm, init_vgmstream_mus_acm, init_vgmstream_ps2_kces, init_vgmstream_ps2_dxh, init_vgmstream_vsv, init_vgmstream_scd_pcm, init_vgmstream_ps2_pcm, init_vgmstream_ps2_rkv, init_vgmstream_ps2_vas, init_vgmstream_ps2_vas_container, init_vgmstream_ps2_tec, init_vgmstream_ps2_enth, init_vgmstream_sdt, init_vgmstream_aix, init_vgmstream_ngc_tydsp, init_vgmstream_capdsp, init_vgmstream_xbox_wvs, init_vgmstream_ngc_wvs, init_vgmstream_dc_str, init_vgmstream_dc_str_v2, init_vgmstream_xbox_matx, init_vgmstream_dec, init_vgmstream_vs, init_vgmstream_dc_str, init_vgmstream_dc_str_v2, init_vgmstream_xmu, init_vgmstream_xvas, init_vgmstream_ngc_bh2pcm, init_vgmstream_sat_sap, init_vgmstream_dc_idvi, init_vgmstream_ps2_rnd, init_vgmstream_idsp_tt, init_vgmstream_kraw, init_vgmstream_ps2_omu, init_vgmstream_ps2_xa2, init_vgmstream_idsp_nl, init_vgmstream_idsp_ie, init_vgmstream_ngc_ymf, init_vgmstream_sadl, init_vgmstream_ps2_ccc, init_vgmstream_fag, init_vgmstream_ps2_mihb, init_vgmstream_ngc_pdt_split, init_vgmstream_ngc_pdt, init_vgmstream_wii_mus, init_vgmstream_dc_asd, init_vgmstream_naomi_spsd, 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, init_vgmstream_str_asr, init_vgmstream_zwdsp, init_vgmstream_gca, init_vgmstream_spt_spd, init_vgmstream_ish_isd, init_vgmstream_gsp_gsb, init_vgmstream_ydsp, init_vgmstream_msvp, init_vgmstream_ngc_ssm, init_vgmstream_ps2_joe, init_vgmstream_vgs, init_vgmstream_dcs_wav, init_vgmstream_mul, init_vgmstream_thp, init_vgmstream_wii_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, init_vgmstream_vsf, init_vgmstream_nds_rrds, init_vgmstream_ps2_tk5, init_vgmstream_ps2_vsf_tta, init_vgmstream_ads, init_vgmstream_ps2_mcg, init_vgmstream_zsd, init_vgmstream_ps2_vgs, init_vgmstream_redspark, init_vgmstream_ivaud, init_vgmstream_wii_wsd, init_vgmstream_wii_ndp, init_vgmstream_ps2_sps, init_vgmstream_ps2_xa2_rrp, init_vgmstream_nds_hwas, init_vgmstream_ngc_lps, init_vgmstream_ps2_snd, init_vgmstream_naomi_adpcm, init_vgmstream_sd9, init_vgmstream_2dx9, init_vgmstream_dsp_ygo, init_vgmstream_ps2_vgv, init_vgmstream_ngc_gcub, init_vgmstream_maxis_xa, init_vgmstream_ngc_sck_dsp, init_vgmstream_apple_caff, init_vgmstream_pc_mxst, init_vgmstream_sab, init_vgmstream_exakt_sc, init_vgmstream_wii_bns, init_vgmstream_wii_was, init_vgmstream_pona_3do, init_vgmstream_pona_psx, init_vgmstream_xbox_hlwav, init_vgmstream_myspd, init_vgmstream_his, init_vgmstream_ps2_ast, init_vgmstream_dmsg, init_vgmstream_ngc_dsp_aaap, init_vgmstream_ngc_dsp_konami, init_vgmstream_ps2_ster, init_vgmstream_ps2_wb, init_vgmstream_bnsf, init_vgmstream_ps2_gcm, init_vgmstream_ps2_smpl, init_vgmstream_ps2_msa, init_vgmstream_ps2_voi, init_vgmstream_ngc_rkv, init_vgmstream_dsp_ddsp, init_vgmstream_p3d, init_vgmstream_ps2_tk1, init_vgmstream_ngc_dsp_mpds, init_vgmstream_dsp_str_ig, init_vgmstream_ea_swvr, init_vgmstream_ps2_b1s, init_vgmstream_ps2_wad, init_vgmstream_dsp_xiii, init_vgmstream_dsp_cabelas, init_vgmstream_ps2_adm, init_vgmstream_ps2_lpcm, init_vgmstream_dsp_bdsp, init_vgmstream_ps2_vms, init_vgmstream_xau, init_vgmstream_bar, init_vgmstream_ffw, init_vgmstream_dsp_dspw, init_vgmstream_jstm, init_vgmstream_xvag, init_vgmstream_ps3_cps, init_vgmstream_sqex_scd, init_vgmstream_ngc_nst_dsp, init_vgmstream_baf, init_vgmstream_baf_badrip, init_vgmstream_msf, init_vgmstream_ps3_past, init_vgmstream_sgxd, init_vgmstream_ngca, init_vgmstream_wii_ras, init_vgmstream_ps2_spm, init_vgmstream_x360_tra, init_vgmstream_ps2_iab, init_vgmstream_vs_str, init_vgmstream_lsf_n1nj4n, init_vgmstream_vawx, init_vgmstream_ps2_wmus, init_vgmstream_hyperscan_kvag, init_vgmstream_ios_psnd, init_vgmstream_pc_adp_bos, init_vgmstream_pc_adp_otns, init_vgmstream_eb_sfx, init_vgmstream_eb_sf0, init_vgmstream_mtaf, init_vgmstream_tun, init_vgmstream_wpd, init_vgmstream_mn_str, init_vgmstream_mss, init_vgmstream_ps2_hsf, init_vgmstream_ivag, init_vgmstream_ps2_2pfs, init_vgmstream_xnb, 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, init_vgmstream_ktss, init_vgmstream_hca, init_vgmstream_svag_snk, init_vgmstream_ps2_vds_vdm, init_vgmstream_x360_cxs, init_vgmstream_dsp_adx, init_vgmstream_akb, init_vgmstream_akb2, #ifdef VGM_USE_FFMPEG init_vgmstream_mp4_aac_ffmpeg, #endif init_vgmstream_bik, init_vgmstream_x360_ast, init_vgmstream_wwise, init_vgmstream_ubi_raki, init_vgmstream_x360_pasx, init_vgmstream_xma, init_vgmstream_sxd, init_vgmstream_ogl, init_vgmstream_mc3, init_vgmstream_gtd, init_vgmstream_ta_aac_x360, init_vgmstream_ta_aac_ps3, init_vgmstream_ta_aac_mobile, init_vgmstream_ta_aac_mobile_vorbis, init_vgmstream_ta_aac_vita, init_vgmstream_va3, init_vgmstream_mta2, init_vgmstream_mta2_container, init_vgmstream_ngc_ulw, init_vgmstream_xa_xa30, init_vgmstream_xa_04sw, init_vgmstream_ea_bnk, init_vgmstream_ea_abk, init_vgmstream_ea_hdr_dat, init_vgmstream_ea_hdr_dat_v2, init_vgmstream_ea_map_mus, init_vgmstream_ea_mpf_mus, init_vgmstream_ea_schl_fixed, init_vgmstream_sk_aud, init_vgmstream_stm, 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, init_vgmstream_opus_sps_n1, init_vgmstream_opus_nxa, init_vgmstream_pc_ast, init_vgmstream_naac, init_vgmstream_ubi_sb, init_vgmstream_ubi_sm, init_vgmstream_ubi_bnm, init_vgmstream_ubi_bnm_ps2, init_vgmstream_ubi_dat, init_vgmstream_ubi_blk, init_vgmstream_ezw, init_vgmstream_vxn, init_vgmstream_ea_snr_sns, init_vgmstream_ea_sps, init_vgmstream_ea_abk_eaac, init_vgmstream_ea_hdr_sth_dat, init_vgmstream_ea_mpf_mus_eaac, init_vgmstream_ea_tmx, init_vgmstream_ea_sbr, init_vgmstream_ea_sbr_harmony, init_vgmstream_ngc_vid1, init_vgmstream_flx, init_vgmstream_mogg, init_vgmstream_kma9, init_vgmstream_fsb_encrypted, init_vgmstream_xwc, init_vgmstream_atsl, init_vgmstream_sps_n1, init_vgmstream_atx, init_vgmstream_sqex_sead, init_vgmstream_waf, init_vgmstream_wave, init_vgmstream_wave_segmented, init_vgmstream_smv, init_vgmstream_nxap, init_vgmstream_ea_wve_au00, init_vgmstream_ea_wve_ad10, init_vgmstream_sthd, init_vgmstream_pcm_sre, 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, init_vgmstream_opus_sps_n1_segmented, init_vgmstream_ubi_bao_pk, init_vgmstream_ubi_bao_atomic, init_vgmstream_dsp_switch_audio, init_vgmstream_sadf, init_vgmstream_h4m, init_vgmstream_ps2_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, init_vgmstream_nus3bank_encrypted, init_vgmstream_scd_sscf, 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, init_vgmstream_xwma, init_vgmstream_xopus, 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, 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, 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, init_vgmstream_awb, init_vgmstream_acb, init_vgmstream_rad, init_vgmstream_smk, init_vgmstream_mzrt, 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, init_vgmstream_xmv_valve, init_vgmstream_ubi_hx, init_vgmstream_bmp_konami, init_vgmstream_opus_opusnx, init_vgmstream_opus_sqex, init_vgmstream_isb, init_vgmstream_xssb, init_vgmstream_xma_ue3, init_vgmstream_csb, init_vgmstream_fwse, init_vgmstream_fda, init_vgmstream_tgc, init_vgmstream_kwb, init_vgmstream_lrmd, init_vgmstream_bkhd, init_vgmstream_bkhd_fx, init_vgmstream_diva, init_vgmstream_imuse, init_vgmstream_ktsr, init_vgmstream_mups, init_vgmstream_kat, init_vgmstream_pcm_success, init_vgmstream_ktsc, init_vgmstream_adp_konami, init_vgmstream_zwv, init_vgmstream_dsb, init_vgmstream_bsf, /* 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 */ init_vgmstream_encrypted, /* encrypted stuff */ 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 (*after* ps_headerless) */ init_vgmstream_raw_wavm, /* .wavm raw xbox */ init_vgmstream_raw_pcm, /* .raw raw PCM */ init_vgmstream_s14_sss, /* .s14/sss raw siren14 */ init_vgmstream_raw_al, /* .al/al2 raw A-LAW */ #ifdef VGM_USE_FFMPEG init_vgmstream_ffmpeg, /* may play anything incorrectly, since FFmpeg doesn't check extensions */ #endif }; /*****************************************************************************/ /* INIT/META */ /*****************************************************************************/ /* internal version with all parameters */ static VGMSTREAM* init_vgmstream_internal(STREAMFILE* sf) { int i, fcns_size; if (!sf) return NULL; fcns_size = (sizeof(init_vgmstream_functions)/sizeof(init_vgmstream_functions[0])); /* try a series of formats, see which works */ for (i = 0; i < fcns_size; i++) { /* call init function and see if valid VGMSTREAM was returned */ VGMSTREAM* vgmstream = (init_vgmstream_functions[i])(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) { VGM_LOG("VGMSTREAM: wrong num_samples %i\n", vgmstream->num_samples); close_vgmstream(vgmstream); continue; } /* 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); close_vgmstream(vgmstream); continue; } /* sanify loops and remove bad metadata */ 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; } } /* test if candidate for dual stereo */ if (vgmstream->channels == 1 && vgmstream->allow_dual_stereo == 1) { try_dual_file_stereo(vgmstream, sf, init_vgmstream_functions[i]); } /* 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 /* check FFmpeg streams here, for lack of a better place */ if (vgmstream->coding_type == coding_FFmpeg) { ffmpeg_codec_data *data = vgmstream->codec_data; if (data && data->streamCount && !vgmstream->num_streams) { vgmstream->num_streams = data->streamCount; } } #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 */ 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; } /* 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) { vgmstream->stream_index = sf->stream_index; } setup_vgmstream(vgmstream); /* final setup */ return vgmstream; } /* not supported */ return NULL; } void setup_vgmstream(VGMSTREAM* vgmstream) { /* 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 */ 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; } 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). */ 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. */ reset_codec(vgmstream); reset_layout(vgmstream); /* note that this does not reset the constituent STREAMFILES * (vgmstream->ch[N].streamfiles' internal state, like internal offset, though shouldn't matter) */ } /* Allocate memory and setup a VGMSTREAM */ 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 */ if (channel_count <= 0 || channel_count > VGMSTREAM_MAX_CHANNELS) { VGM_LOG("VGMSTREAM: error allocating %i channels\n", channel_count); return NULL; } /* 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 * - loop_ch: ch clone copied on loop start and restored on loop end (vgmstream_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; 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; mixing_init(vgmstream); /* pre-init */ /* BEWARE: try_dual_file_stereo does some free'ing too */ //vgmstream->stream_name_size = STREAM_NAME_SIZE; return vgmstream; fail: if (vgmstream) { 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; } void close_vgmstream(VGMSTREAM* vgmstream) { if (!vgmstream) return; free_codec(vgmstream); vgmstream->codec_data = NULL; free_layout(vgmstream); 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; } } } 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) { vgmstream->loop_ch = calloc(vgmstream->channels, sizeof(VGMSTREAMCHANNEL)); if (!vgmstream->loop_ch) loop_flag = 0; /* ??? */ } #if 0 /* allow in case loop_flag is re-enabled later */ else if (!loop_flag && vgmstream->loop_flag) { free(vgmstream->loop_ch); vgmstream->loop_ch = NULL; } #endif vgmstream->loop_flag = loop_flag; 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; layered_layout_data* data = vgmstream->layout_data; /* layered loops using the internal VGMSTREAMs */ for (i = 0; i < data->layer_count; i++) { 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; 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); } } /* notify of new initial state */ setup_vgmstream(vgmstream); } /*******************************************************************************/ /* MISC */ /*******************************************************************************/ /* 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) { #define TEMPSIZE (256+32) char temp[TEMPSIZE]; double time_mm, time_ss, seconds; if (!vgmstream) { snprintf(temp,TEMPSIZE, "NULL VGMSTREAM"); concatn(length,desc,temp); return; } snprintf(temp,TEMPSIZE, "sample rate: %d Hz\n", vgmstream->sample_rate); concatn(length,desc,temp); snprintf(temp,TEMPSIZE, "channels: %d\n", vgmstream->channels); concatn(length,desc,temp); { int output_channels = 0; mixing_info(vgmstream, NULL, &output_channels); if (output_channels != vgmstream->channels) { snprintf(temp,TEMPSIZE, "input channels: %d\n", vgmstream->channels); /* repeated but mainly for plugins */ concatn(length,desc,temp); snprintf(temp,TEMPSIZE, "output channels: %d\n", output_channels); concatn(length,desc,temp); } } if (vgmstream->channel_layout) { int cl = vgmstream->channel_layout; /* not "channel layout: " to avoid mixups with "layout: " */ snprintf(temp,TEMPSIZE, "channel mask: 0x%x /", vgmstream->channel_layout); concatn(length,desc,temp); if (cl & speaker_FL) concatn(length,desc," FL"); if (cl & speaker_FR) concatn(length,desc," FR"); if (cl & speaker_FC) concatn(length,desc," FC"); if (cl & speaker_LFE) concatn(length,desc," LFE"); if (cl & speaker_BL) concatn(length,desc," BL"); if (cl & speaker_BR) concatn(length,desc," BR"); if (cl & speaker_FLC) concatn(length,desc," FLC"); if (cl & speaker_FRC) concatn(length,desc," FRC"); if (cl & speaker_BC) concatn(length,desc," BC"); if (cl & speaker_SL) concatn(length,desc," SL"); if (cl & speaker_SR) concatn(length,desc," SR"); if (cl & speaker_TC) concatn(length,desc," TC"); if (cl & speaker_TFL) concatn(length,desc," TFL"); if (cl & speaker_TFC) concatn(length,desc," TFC"); if (cl & speaker_TFR) concatn(length,desc," TFR"); if (cl & speaker_TBL) concatn(length,desc," TBL"); if (cl & speaker_TBC) concatn(length,desc," TBC"); if (cl & speaker_TBR) concatn(length,desc," TBR"); concatn(length,desc,"\n"); } if (vgmstream->loop_start_sample >= 0 && vgmstream->loop_end_sample > vgmstream->loop_start_sample) { if (!vgmstream->loop_flag) { concatn(length,desc,"looping: disabled\n"); } seconds = (double)vgmstream->loop_start_sample / vgmstream->sample_rate; time_mm = (int)(seconds / 60.0); time_ss = seconds - time_mm * 60.0f; snprintf(temp,TEMPSIZE, "loop start: %d samples (%1.0f:%06.3f seconds)\n", vgmstream->loop_start_sample, time_mm, time_ss); concatn(length,desc,temp); seconds = (double)vgmstream->loop_end_sample / vgmstream->sample_rate; time_mm = (int)(seconds / 60.0); time_ss = seconds - time_mm * 60.0f; snprintf(temp,TEMPSIZE, "loop end: %d samples (%1.0f:%06.3f seconds)\n", vgmstream->loop_end_sample, time_mm, time_ss); concatn(length,desc,temp); } seconds = (double)vgmstream->num_samples / vgmstream->sample_rate; time_mm = (int)(seconds / 60.0); time_ss = seconds - time_mm * 60.0; snprintf(temp,TEMPSIZE, "stream total samples: %d (%1.0f:%06.3f seconds)\n", vgmstream->num_samples, time_mm, time_ss); concatn(length,desc,temp); snprintf(temp,TEMPSIZE, "encoding: "); concatn(length,desc,temp); get_vgmstream_coding_description(vgmstream, temp, TEMPSIZE); concatn(length,desc,temp); concatn(length,desc,"\n"); snprintf(temp,TEMPSIZE, "layout: "); concatn(length,desc,temp); get_vgmstream_layout_description(vgmstream, temp, TEMPSIZE); concatn(length, desc, temp); concatn(length,desc,"\n"); if (vgmstream->layout_type == layout_interleave && vgmstream->channels > 1) { snprintf(temp,TEMPSIZE, "interleave: %#x bytes\n", (int32_t)vgmstream->interleave_block_size); concatn(length,desc,temp); if (vgmstream->interleave_first_block_size && vgmstream->interleave_first_block_size != vgmstream->interleave_block_size) { snprintf(temp,TEMPSIZE, "interleave first block: %#x bytes\n", (int32_t)vgmstream->interleave_first_block_size); concatn(length,desc,temp); } if (vgmstream->interleave_last_block_size && vgmstream->interleave_last_block_size != vgmstream->interleave_block_size) { snprintf(temp,TEMPSIZE, "interleave last block: %#x bytes\n", (int32_t)vgmstream->interleave_last_block_size); concatn(length,desc,temp); } } /* codecs with configurable frame size */ if (vgmstream->frame_size > 0 || vgmstream->interleave_block_size > 0) { int32_t frame_size = vgmstream->frame_size > 0 ? vgmstream->frame_size : vgmstream->interleave_block_size; switch (vgmstream->coding_type) { case coding_MSADPCM: case coding_MSADPCM_int: case coding_MSADPCM_ck: case coding_MS_IMA: case coding_MC3: case coding_WWISE_IMA: case coding_REF_IMA: case coding_PSX_cfg: snprintf(temp,TEMPSIZE, "frame size: %#x bytes\n", frame_size); concatn(length,desc,temp); break; default: break; } } snprintf(temp,TEMPSIZE, "metadata from: "); concatn(length,desc,temp); get_vgmstream_meta_description(vgmstream, temp, TEMPSIZE); concatn(length,desc,temp); concatn(length,desc,"\n"); snprintf(temp,TEMPSIZE, "bitrate: %d kbps\n", get_vgmstream_average_bitrate(vgmstream) / 1000); //todo \n? concatn(length,desc,temp); /* only interesting if more than one */ if (vgmstream->num_streams > 1) { snprintf(temp,TEMPSIZE, "stream count: %d\n", vgmstream->num_streams); concatn(length,desc,temp); } if (vgmstream->num_streams > 1) { snprintf(temp,TEMPSIZE, "stream index: %d\n", vgmstream->stream_index == 0 ? 1 : vgmstream->stream_index); concatn(length,desc,temp); } if (vgmstream->stream_name[0] != '\0') { snprintf(temp,TEMPSIZE, "stream name: %s\n", vgmstream->stream_name); concatn(length,desc,temp); } if (vgmstream->config_enabled) { double time_mm, time_ss, seconds; int32_t samples = vgmstream->pstate.play_duration; seconds = (double)samples / vgmstream->sample_rate; time_mm = (int)(seconds / 60.0); time_ss = seconds - time_mm * 60.0f; snprintf(temp,TEMPSIZE, "play duration: %d samples (%1.0f:%06.3f seconds)\n", samples, time_mm, time_ss); concatn(length,desc,temp); } } /* 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. */ static void try_dual_file_stereo(VGMSTREAM* opened_vgmstream, STREAMFILE* sf, VGMSTREAM*(*init_vgmstream_function)(STREAMFILE*)) { /* filename search pairs for dual file stereo */ static const char* const dfs_pairs[][2] = { {"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) */ {"_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]; char* extension; int dfs_pair = -1; /* -1=no stereo, 0=opened_vgmstream is left, 1=opened_vgmstream is right */ VGMSTREAM* new_vgmstream = NULL; STREAMFILE* dual_sf = NULL; int i,j, dfs_pair_count, extension_len, filename_len; if (opened_vgmstream->channels != 1) return; /* 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; 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); /* 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++) { 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 */ 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; } } 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) */ 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; 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); 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 * (Homura PS2 right channel doesn't have loop points so this check is ignored) */ if (new_vgmstream->meta_type != meta_PS2_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. */ { 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; /* discard the second VGMSTREAM */ mixing_close(new_vgmstream); free(new_vgmstream->tmpbuf); free(new_vgmstream->start_vgmstream); free(new_vgmstream); mixing_update_channel(opened_vgmstream); /* notify of new channel hacked-in */ } return; fail: close_vgmstream(new_vgmstream); return; } /* average bitrate helper to get STREAMFILE for a channel, since some codecs may use their own */ static STREAMFILE* get_vgmstream_average_bitrate_channel_streamfile(VGMSTREAM* vgmstream, int channel) { if (vgmstream->coding_type == coding_NWA) { return nwa_get_streamfile(vgmstream->codec_data); } if (vgmstream->coding_type == coding_ACM) { return acm_get_streamfile(vgmstream->codec_data); } #ifdef VGM_USE_VORBIS if (vgmstream->coding_type == coding_OGG_VORBIS) { return ogg_vorbis_get_streamfile(vgmstream->codec_data); } #endif if (vgmstream->coding_type == coding_CRI_HCA) { return hca_get_streamfile(vgmstream->codec_data); } #ifdef VGM_USE_FFMPEG if (vgmstream->coding_type == coding_FFmpeg) { return ffmpeg_get_streamfile(vgmstream->codec_data); } #endif #if defined(VGM_USE_MP4V2) && defined(VGM_USE_FDKAAC) if (vgmstream->coding_type == coding_MP4_AAC) { mp4_aac_codec_data *data = vgmstream->codec_data; return data ? data->if_file.streamfile : NULL; } #endif return vgmstream->ch[channel].streamfile; } static int get_vgmstream_file_bitrate_from_size(size_t size, int sample_rate, int length_samples) { if (sample_rate == 0 || length_samples == 0) return 0; if (length_samples < 100) return 0; /* ignore stupid bitrates caused by some segments */ return (int)((int64_t)size * 8 * sample_rate / length_samples); } static int get_vgmstream_file_bitrate_from_streamfile(STREAMFILE* streamfile, int sample_rate, int length_samples) { if (streamfile == NULL) return 0; return get_vgmstream_file_bitrate_from_size(get_streamfile_size(streamfile), sample_rate, length_samples); } static int get_vgmstream_file_bitrate_main(VGMSTREAM* vgmstream, STREAMFILE** streamfile_pointers, int *pointers_count, int pointers_max) { int sub, ch; int bitrate = 0; /* Recursively get bitrate and fill the list of streamfiles if needed (to filter), * since layouts can include further vgmstreams that may also share streamfiles. * * Because of how data, layers and segments can be combined it's possible to * fool this in various ways; metas should report stream_size in complex cases * to get accurate bitrates (particularly for subsongs). */ if (vgmstream->stream_size) { bitrate = get_vgmstream_file_bitrate_from_size(vgmstream->stream_size, vgmstream->sample_rate, vgmstream->num_samples); } else if (vgmstream->layout_type == layout_segmented) { segmented_layout_data *data = (segmented_layout_data *) vgmstream->layout_data; for (sub = 0; sub < data->segment_count; sub++) { bitrate += get_vgmstream_file_bitrate_main(data->segments[sub], streamfile_pointers, pointers_count, pointers_max); } bitrate = bitrate / data->segment_count; } else if (vgmstream->layout_type == layout_layered) { layered_layout_data *data = vgmstream->layout_data; for (sub = 0; sub < data->layer_count; sub++) { bitrate += get_vgmstream_file_bitrate_main(data->layers[sub], streamfile_pointers, pointers_count, pointers_max); } bitrate = bitrate / data->layer_count; } else { /* Add channel bitrate if streamfile hasn't been used before (comparing files * by absolute paths), so bitrate doesn't multiply when the same STREAMFILE is * reopened per channel, also skipping repeated pointers. */ char path_current[PATH_LIMIT]; char path_compare[PATH_LIMIT]; int is_unique = 1; for (ch = 0; ch < vgmstream->channels; ch++) { STREAMFILE* sf_cur = get_vgmstream_average_bitrate_channel_streamfile(vgmstream, ch); if (!sf_cur) continue; get_streamfile_name(sf_cur, path_current, sizeof(path_current)); for (sub = 0; sub < *pointers_count; sub++) { STREAMFILE* sf_cmp = streamfile_pointers[sub]; if (!sf_cmp) continue; if (sf_cur == sf_cmp) { is_unique = 0; break; } get_streamfile_name(sf_cmp, path_compare, sizeof(path_compare)); if (strcmp(path_current, path_compare) == 0) { is_unique = 0; break; } } if (is_unique) { if (*pointers_count >= pointers_max) goto fail; streamfile_pointers[*pointers_count] = sf_cur; (*pointers_count)++; bitrate += get_vgmstream_file_bitrate_from_streamfile(sf_cur, vgmstream->sample_rate, vgmstream->num_samples); } } } return bitrate; fail: return 0; } /* Return the average bitrate in bps of all unique data contained within this stream. * This is the bitrate of the *file*, as opposed to the bitrate of the *codec*, meaning * it counts extra data like block headers and padding. While this can be surprising * sometimes (as it's often higher than common codec bitrates) it isn't wrong per se. */ int get_vgmstream_average_bitrate(VGMSTREAM* vgmstream) { const size_t pointers_max = 128; /* arbitrary max, but +100 segments have been observed */ STREAMFILE* streamfile_pointers[128]; /* list already used streamfiles */ int pointers_count = 0; return get_vgmstream_file_bitrate_main(vgmstream, streamfile_pointers, &pointers_count, pointers_max); } /** * Inits vgmstream, doing two things: * - 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. */ 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; if (vgmstream == NULL) { VGM_LOG("VGMSTREAM: buggy code (null vgmstream)\n"); goto fail; } /* stream/offsets not needed, managed by layout */ if (vgmstream->layout_type == layout_segmented || vgmstream->layout_type == layout_layered) 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 */ if (vgmstream->coding_type == coding_FFmpeg) return 1; #endif if ((vgmstream->coding_type == coding_PSX_cfg || vgmstream->coding_type == coding_PSX_pivotal) && (vgmstream->interleave_block_size == 0 || vgmstream->interleave_block_size > 0x50)) { VGM_LOG("VGMSTREAM: PSX-cfg decoder with wrong frame size %x\n", vgmstream->interleave_block_size); goto fail; } 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); 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 = vgmstream->interleave_block_size; } /* 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 * 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; } /* for hard-to-detect fixed offsets or full interleave */ if (force_multibuffer) { use_streamfile_per_channel = 1; } /* for mono or codecs like IMA (XBOX, MS IMA, MS ADPCM) where channels work with the same bytes */ 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; } if (sf == NULL || start_offset < 0) { VGM_LOG("VGMSTREAM: buggy code (null streamfile / wrong start_offset)\n"); goto fail; } get_streamfile_name(sf, filename, sizeof(filename)); /* open the file for reading by each channel */ { if (!use_streamfile_per_channel) { 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 { offset = start_offset + vgmstream->interleave_block_size*ch; } /* 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) { file = open_streamfile(sf,filename); if (!file) goto fail; } vgmstream->ch[ch].streamfile = file; 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; }