#include "meta.h" #include "../coding/coding.h" /* VAGp - Sony SDK format, created by various tools */ VGMSTREAM * init_vgmstream_vag(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; off_t start_offset; size_t file_size, channel_size, interleave, interleave_first = 0, interleave_first_skip = 0; meta_t meta_type; int channel_count = 0, loop_flag, sample_rate; uint32_t vag_id, version; int32_t loop_start_sample = 0, loop_end_sample = 0; int allow_dual_stereo = 0; /* checks */ /* .vag: standard * .swag: Frantix (PSP) * .str: Ben10 Galactic Racing * .vig: MX vs. ATV Untamed (PS2) * .l/r: Crash Nitro Kart (PS2), Gradius V (PS2) * .vas: Kingdom Hearts II (PS2) * .khv: fake for .vas */ if ( !check_extensions(streamFile,"vag,swag,str,vig,l,r,vas,khv") ) goto fail; /* check VAG Header */ if (((read_32bitBE(0x00,streamFile) & 0xFFFFFF00) != 0x56414700) && /* "VAG" */ ((read_32bitLE(0x00,streamFile) & 0xFFFFFF00) != 0x56414700)) goto fail; file_size = get_streamfile_size(streamFile); /* version used to create the file: * - 00000000 = v1.8 PC, * - 00000002 = v1.3 Mac (used?) * - 00000003 = v1.6+ Mac * - 00000020 = v2.0 PC (most common) * - 00000004 = ? (later games) * - 00000006 = ? (vagconv) * - 00020001 = v2.1 (vagconv2) * - 00030000 = v3.0 (vagconv2) */ version = (uint32_t)read_32bitBE(0x04,streamFile); /* 0x08-0c: reserved */ channel_size = read_32bitBE(0x0c,streamFile); sample_rate = read_32bitBE(0x10,streamFile); /* 0x14-20 reserved */ /* 0x20-30: name (optional) */ /* 0x30: data start (first 0x10 usually 0s to init SPU) */ /* check variation */ vag_id = read_32bitBE(0x00,streamFile); switch(vag_id) { case 0x56414731: /* "VAG1" (1 channel) [Metal Gear Solid 3 (PS2)] */ meta_type = meta_PS2_VAG1; start_offset = 0x40; /* 0x30 is extra data in VAG1 */ channel_count = 1; interleave = 0; loop_flag = 0; break; case 0x56414732: /* "VAG2" (2 channels) [Metal Gear Solid 3 (PS2)] */ meta_type = meta_PS2_VAG2; start_offset = 0x40; /* 0x30 is extra data in VAG2 */ channel_count = 2; interleave = 0x800; loop_flag = 0; break; case 0x56414769: /* "VAGi" (interleaved) */ meta_type = meta_PS2_VAGi; start_offset = 0x800; channel_count = 2; interleave = read_32bitLE(0x08,streamFile); loop_flag = 0; break; case 0x70474156: /* pGAV (little endian / stereo) [Jak 3 (PS2), Jak X (PS2)] */ meta_type = meta_PS2_pGAV; start_offset = 0x30; if (read_32bitBE(0x20,streamFile) == 0x53746572) { /* "Ster" */ channel_count = 2; if (read_32bitLE(0x2000,streamFile) == 0x56414770) /* "pGAV" */ interleave = 0x2000; /* Jak 3 interleave, includes header */ else if (read_32bitLE(0x1000,streamFile) == 0x56414770) /* "pGAV" */ interleave = 0x1000; /* Jak X interleave, includes header */ else interleave = 0x2000; /* Jak 3 interleave in rare files, no header */ interleave_first = interleave - start_offset; /* interleave includes header */ interleave_first_skip = start_offset; } else { channel_count = 1; interleave = 0; } channel_size = read_32bitLE(0x0C,streamFile) / channel_count; sample_rate = read_32bitLE(0x10,streamFile); //todo adjust channel_size, includes part of header? loop_flag = 0; break; case 0x56414770: /* "VAGp" (standard and variations) */ meta_type = meta_PS2_VAGp; if (check_extensions(streamFile,"vig")) { /* MX vs. ATV Untamed (PS2) */ start_offset = 0x800 - 0x20; channel_count = 2; interleave = 0x10; loop_flag = 0; } else if (check_extensions(streamFile,"swag")) { /* also "VAGp" at (file_size / channels) */ /* Frantix (PSP) */ start_offset = 0x40; /* channel_size ignores empty frame */ channel_count = 2; interleave = file_size / channel_count; channel_size = read_32bitLE(0x0c,streamFile); sample_rate = read_32bitLE(0x10,streamFile); loop_flag = ps_find_loop_offsets(streamFile, start_offset, channel_size*channel_count, channel_count, interleave, &loop_start_sample, &loop_end_sample); } else if (read_32bitBE(0x6000,streamFile) == 0x56414770) { /* "VAGp" */ /* The Simpsons Wrestling (PS1) */ start_offset = 0x30; channel_count = 2; interleave = 0x6000; interleave_first = interleave - start_offset; /* includes header */ interleave_first_skip = start_offset; loop_flag = 0; } else if (read_32bitBE(0x1000,streamFile) == 0x56414770) { /* "VAGp" */ /* Shikigami no Shiro (PS2) */ start_offset = 0x30; channel_count = 2; interleave = 0x1000; interleave_first = interleave - start_offset; /* includes header */ interleave_first_skip = start_offset; loop_flag = ps_find_loop_offsets(streamFile, start_offset, channel_size*channel_count, channel_count, interleave, &loop_start_sample, &loop_end_sample); } else if (read_32bitBE(0x30,streamFile) == 0x56414770) { /* "VAGp" */ /* The Red Star (PS2) */ start_offset = 0x60; /* two VAGp headers */ channel_count = 2; if ((file_size - start_offset) % 0x4000 == 0) interleave = 0x4000; else if ((file_size - start_offset) % 0x4180 == 0) interleave = 0x4180; else goto fail; loop_flag = 0; /* loop segments */ } else if (version == 0x40000000) { /* Killzone (PS2) */ start_offset = 0x30; channel_count = 1; interleave = 0; channel_size = read_32bitLE(0x0C,streamFile) / channel_count; sample_rate = read_32bitLE(0x10,streamFile); loop_flag = 0; } else if (version == 0x00020001 || version == 0x00030000) { /* standard Vita/PS4 .vag [Chronovolt (Vita), Grand Kingdom (PS4)] */ start_offset = 0x30; interleave = 0x10; /* channels are at 0x1e, except Ukiyo no Roushi (Vita), which has * loop start/end frame (but also uses PS-ADPCM flags) */ if (read_32bitBE(0x18,streamFile) == 0 && (read_32bitBE(0x1c,streamFile) & 0xFFFF00FF) == 0 && read_8bit(0x1e,streamFile) < 16) { channel_count = read_8bit(0x1e,streamFile); if (channel_count == 0) channel_count = 1; /* ex. early games [Lumines (Vita)] */ } else { channel_count = 1; } channel_size = channel_size / channel_count; loop_flag = ps_find_loop_offsets(streamFile, start_offset, channel_size*channel_count, channel_count, interleave, &loop_start_sample, &loop_end_sample); } else if (version == 0x00000004 && channel_size == file_size - 0x60 && read_32bitBE(0x1c, streamFile) != 0) { /* also .vas */ /* Kingdom Hearts II (PS2) */ start_offset = 0x60; interleave = 0x10; loop_start_sample = read_32bitBE(0x14,streamFile); loop_end_sample = read_32bitBE(0x18,streamFile); loop_flag = (loop_end_sample > 0); /* maybe at 0x1d */ channel_count = read_8bit(0x1e,streamFile); /* 0x1f: possibly volume */ channel_size = channel_size / channel_count; /* mono files also have channel/volume, but start at 0x30 and are probably named .vag */ } else if (read_32bitBE(0x30,streamFile) == 0x53544552 /* "STER" */ && read_32bitBE(0x34,streamFile) == 0x454F5641 /* "EOVA" */ && read_32bitBE(0x38,streamFile) == 0x47324B00){ /* "G2K " */ /* The Simpsons Skateboarding (PS2) */ start_offset = 0x800; channel_count = 2; interleave = 0x800; loop_flag = 0; } else if (read_32bitBE(0x24, streamFile) == 0x56414778) { /* VAGx" */ /* Need for Speed: Hot Pursuit 2 (PS2) */ start_offset = 0x30; channel_count = read_32bitBE(0x2c, streamFile); channel_size = channel_size / channel_count; loop_flag = 0; /* detect interleave using end markers */ interleave = 0; if (channel_count > 1) { off_t offset = file_size; off_t end_off = 0; uint8_t flag; while (1) { offset -= 0x10; flag = read_8bit(offset + 0x01, streamFile); if (flag == 0x01) { if (!end_off) { end_off = offset; } else { interleave = end_off - offset; break; } } if (offset == start_offset) goto fail; } } } else { /* standard PS1/PS2/PS3 .vag [Ecco the Dolphin (PS2), Legasista (PS3)] */ start_offset = 0x30; interleave = 0; channel_count = 1; loop_flag = ps_find_loop_offsets_full(streamFile, start_offset, channel_size*channel_count, channel_count, interleave, &loop_start_sample, &loop_end_sample); allow_dual_stereo = 1; /* often found with external L/R files */ } break; default: goto fail; } /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->meta_type = meta_type; vgmstream->allow_dual_stereo = allow_dual_stereo; vgmstream->sample_rate = sample_rate; vgmstream->num_samples = ps_bytes_to_samples(channel_size,1); vgmstream->loop_start_sample = loop_start_sample; vgmstream->loop_end_sample = loop_end_sample; vgmstream->coding_type = coding_PSX; if (version == 0x00020001 || version == 0x00030000) vgmstream->coding_type = coding_HEVAG; vgmstream->layout_type = (channel_count == 1) ? layout_none : layout_interleave; vgmstream->interleave_block_size = interleave; vgmstream->interleave_first_block_size = interleave_first; vgmstream->interleave_first_skip = interleave_first_skip; read_string(vgmstream->stream_name,0x10+1, 0x20,streamFile); /* always, can be null */ if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) ) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; }