#include "meta.h" #include "../coding/coding.h" /* SXD - Sony/SCE's SNDX lib format (cousin of SGXD) [Gravity Rush, Freedom Wars, Soul Sacrifice PSV] */ VGMSTREAM* init_vgmstream_sxd(STREAMFILE* sf) { VGMSTREAM* vgmstream = NULL; STREAMFILE* sf_sxd1 = NULL, *sf_sxd2 = NULL, *sf_data = NULL, *sf_h = NULL, *sf_b = NULL; off_t start_offset, chunk_offset, first_offset = 0x60, name_offset = 0; size_t chunk_size, stream_size = 0; int is_dual, is_external; int loop_flag, channels, codec, sample_rate; int32_t num_samples, loop_start_sample, loop_end_sample; uint32_t flags, at9_config_data = 0; int total_subsongs, target_subsong = sf->stream_index; /* checks */ /* .sxd: header+data (SXDF) * .sxd1: header (SXDF) + .sxd2 = data (SXDS) * .sxd3: sxd1 + sxd2 pasted together (found in some PS4 games, ex. Fate Extella)*/ if (!check_extensions(sf,"sxd,sxd2,sxd3")) goto fail; /* setup head/body variations */ if (check_extensions(sf,"sxd2")) { /* sxd1+sxd2: open sxd1 as header */ sf_h = open_streamfile_by_ext(sf, "sxd1"); if (!sf_h) goto fail; sf_sxd1 = sf_h; sf_sxd2 = sf; is_dual = 1; } else if (check_extensions(sf,"sxd3")) { /* sxd3: make subfiles for head and body to simplify parsing */ off_t sxd1_offset = 0x00; size_t sxd1_size = read_u32le(0x08, sf); off_t sxd2_offset = sxd1_size; size_t sxd2_size = get_streamfile_size(sf) - sxd1_size; sf_h = setup_subfile_streamfile(sf, sxd1_offset, sxd1_size, "sxd1"); if (!sf_h) goto fail; sf_b = setup_subfile_streamfile(sf, sxd2_offset, sxd2_size, "sxd2"); if (!sf_b) goto fail; sf_sxd1 = sf_h; sf_sxd2 = sf_b; is_dual = 1; } else { /* sxd: use the current file as header */ sf_sxd1 = sf; sf_sxd2 = NULL; is_dual = 0; } if (sf_sxd1 && !is_id32be(0x00, sf_sxd1, "SXDF")) goto fail; if (sf_sxd2 && !is_id32be(0x00, sf_sxd2, "SXDS")) goto fail; /* typical chunks: NAME, WAVE and many control chunks (SXDs don't need to contain any sound data) */ if (!find_chunk_le(sf_sxd1, get_id32be("WAVE"),first_offset,0, &chunk_offset,&chunk_size)) goto fail; /* check multi-streams (usually only in SFX containers) */ total_subsongs = read_s32le(chunk_offset + 0x04,sf_sxd1); if (target_subsong == 0) target_subsong = 1; if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail; // todo rarely a WAVE subsong may point to a repeated data offset, with different tags only /* read stream header */ { uint32_t table_offset, header_offset, stream_offset; /* get target offset using table of relative offsets within WAVE */ table_offset = chunk_offset + 0x08 + 4 * (target_subsong - 1); header_offset = table_offset + read_32bitLE(table_offset,sf_sxd1); flags = read_u32le(header_offset+0x00,sf_sxd1); codec = read_u8 (header_offset+0x04,sf_sxd1); channels = read_u8 (header_offset+0x05,sf_sxd1); /* 0x06(2): unknown, rarely 0xFF */ sample_rate = read_s32le(header_offset+0x08,sf_sxd1); /* 0x0c(4): unknown size? (0x4000/0x3999/0x3333/etc, not related to extra data) */ /* 0x10(4): ? + volume? + pan? (can be 0 for music) */ num_samples = read_s32le(header_offset+0x14,sf_sxd1); loop_start_sample = read_s32le(header_offset+0x18,sf_sxd1); loop_end_sample = read_s32le(header_offset+0x1c,sf_sxd1); stream_size = read_u32le(header_offset+0x20,sf_sxd1); stream_offset = read_u32le(header_offset+0x24,sf_sxd1); loop_flag = loop_start_sample != -1 && loop_end_sample != -1; /* known flag combos: * 0x00: Chaos Rings 2 sfx (RAM + no tags) * 0x01: common (RAM + tags) * 0x02: Chaos Rings 3 sfx (stream + no tags) * 0x03: common (stream + tags) * 0x05: Gravity Rush 2 sfx (RAM + tags) */ //has_tags = flags & 1; is_external = flags & 2; //unknown = flags & 4; /* no apparent differences with/without it? */ /* flag 1 signals TLV-like extra data. Format appears to be 0x00(1)=tag?, 0x01(1)=extra size*32b?, 0x02(2)=config? * but not always (ex. size=0x07 but actually=0), perhaps only some bits are used or varies with tag, or are subflags. * A tag may appear with or without extra data (even 0x0a), 0x01/03/04/06 are common at the beginnig (imply number of tags?), * 0x64/7F are common at the end (but not always), 0x0A=ATRAC9 config, 0x0B/0C appear with RAM preloading data * (most variable in Soul Sacrifice; total TLVs size isn't plainly found in the SXD header AFAIK). */ /* manually try to find ATRAC9 tag */ if (codec == 0x42) { off_t extra_offset = header_offset + 0x28; off_t max_offset = chunk_offset + chunk_size; if (!(flags & 1)) goto fail; while (extra_offset < max_offset) { uint32_t tag = read_u32be(extra_offset, sf_sxd1); if (tag == 0x0A010000 || tag == 0x0A010600) { at9_config_data = read_u32le(extra_offset+0x04, sf_sxd1); /* yes, LE */ break; } extra_offset += 0x04; } if (!at9_config_data) goto fail; } /* usually .sxd=header+data and .sxd1=header + .sxd2=data, but rarely sxd1 may contain data [The Last Guardian (PS4)] */ if (is_external) { start_offset = stream_offset; /* absolute if external */ } else { start_offset = header_offset + 0x24 + stream_offset; /* from current entry offset if internal */ } } /* get stream name (NAME is tied to REQD/cues, and SFX cues repeat WAVEs, but should work ok for streams) */ if (is_dual && find_chunk_le(sf_sxd1, get_id32be("NAME"),first_offset,0, &chunk_offset,NULL)) { /* table: relative offset (32b) + hash? (32b) + cue index (32b) */ int i; int num_entries = read_s16le(chunk_offset + 0x04, sf_sxd1); /* can be bigger than streams */ for (i = 0; i < num_entries; i++) { uint32_t index = read_u32le(chunk_offset + 0x08 + 0x08 + i * 0x0c,sf_sxd1); if (index+1 == target_subsong) { name_offset = chunk_offset + 0x08 + 0x00 + i*0x0c + read_u32le(chunk_offset + 0x08 + 0x00 + i * 0x0c, sf_sxd1); break; } } } if (is_external && !is_dual) { VGM_LOG("SXD: found single sxd with external data\n"); goto fail; } /* even dual files may have some non-external streams */ if (is_external) { sf_data = sf_sxd2; } else { sf_data = sf_sxd1; } if (start_offset > get_streamfile_size(sf_data)) { VGM_LOG("SXD: wrong location?\n"); goto fail; } /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channels, loop_flag); if (!vgmstream) goto fail; vgmstream->meta_type = meta_SXD; vgmstream->sample_rate = sample_rate; vgmstream->num_samples = num_samples; vgmstream->loop_start_sample = loop_start_sample; vgmstream->loop_end_sample = loop_end_sample; vgmstream->num_streams = total_subsongs; vgmstream->stream_size = stream_size; if (name_offset) read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,sf_sxd1); switch (codec) { case 0x20: /* PS-ADPCM [Hot Shots Golf: World Invitational (Vita) sfx] */ vgmstream->coding_type = coding_PSX; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x10; break; case 0x21: /* HEVAG [Gravity Rush (Vita) sfx] */ vgmstream->coding_type = coding_HEVAG; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x10; break; #ifdef VGM_USE_ATRAC9 case 0x42: { /* ATRAC9 [Soul Sacrifice (Vita), Freedom Wars (Vita), Gravity Rush 2 (PS4)] */ atrac9_config cfg = {0}; cfg.channels = vgmstream->channels; cfg.config_data = at9_config_data; vgmstream->codec_data = init_atrac9(&cfg); if (!vgmstream->codec_data) goto fail; vgmstream->coding_type = coding_ATRAC9; vgmstream->layout_type = layout_none; break; } #endif //case 0x28: /* dummy codec? (found with 0 samples) [Hot Shots Golf: World Invitational (Vita) sfx] */ default: VGM_LOG("SXD: unknown codec 0x%x\n", codec); goto fail; } /* open the file for reading */ if (!vgmstream_open_stream(vgmstream, sf_data, start_offset)) goto fail; if (sf_h) close_streamfile(sf_h); if (sf_b) close_streamfile(sf_b); return vgmstream; fail: if (sf_h) close_streamfile(sf_h); if (sf_b) close_streamfile(sf_b); close_vgmstream(vgmstream); return NULL; }