#include "meta.h" #include "../coding/coding.h" typedef enum { IDSP, IVAG, BNSF, RIFF, OPUS, } nus3bank_codec; /* .nus3bank - Namco's newest audio container [Super Smash Bros (Wii U), idolmaster (PS4))] */ VGMSTREAM * init_vgmstream_nus3bank(STREAMFILE *streamFile) { VGMSTREAM *vgmstream = NULL; STREAMFILE *temp_sf = NULL; off_t tone_offset = 0, pack_offset = 0, name_offset = 0, subfile_offset = 0; size_t name_size = 0, subfile_size = 0; nus3bank_codec codec; const char* fake_ext; int total_subsongs, target_subsong = streamFile->stream_index; /* checks */ /* .nub2: early [THE iDOLM@STER 2 (PS3/X360)] * .nus3bank: standard */ if (!check_extensions(streamFile, "nub2,nus3bank")) goto fail; if (read_32bitBE(0x00,streamFile) != 0x4E555333) /* "NUS3" */ goto fail; if (read_32bitBE(0x08,streamFile) != 0x42414E4B) /* "BANK" */ goto fail; if (read_32bitBE(0x0c,streamFile) != 0x544F4320) /* "TOC\0" */ goto fail; /* header is always LE, while contained files may use another endianness */ /* parse TOC with all existing chunks and sizes (offsets must be derived) */ { int i; off_t offset = 0x14 + read_32bitLE(0x10, streamFile); /* TOC size */ size_t chunk_count = read_32bitLE(0x14, streamFile); /* rarely not 7 (ex. SMB U's snd_bgm_CRS12_Simple_Result_Final) */ for (i = 0; i < chunk_count; i++) { uint32_t chunk_id = (uint32_t)read_32bitBE(0x18+(i*0x08)+0x00, streamFile); size_t chunk_size = (size_t)read_32bitLE(0x18+(i*0x08)+0x04, streamFile); switch(chunk_id) { case 0x544F4E45: /* "TONE": stream info */ tone_offset = 0x08 + offset; break; case 0x5041434B: /* "PACK": audio streams */ pack_offset = 0x08 + offset; break; case 0x50524F50: /* "PROP": project info */ case 0x42494E46: /* "BINF": bank info (filename) */ case 0x47525020: /* "GRP ": cues/events with names? */ case 0x44544F4E: /* "DTON": related to GRP? */ case 0x4D41524B: /* "MARK": ? */ case 0x4A554E4B: /* "JUNK": padding */ default: break; } offset += 0x08 + chunk_size; } if (tone_offset == 0 || pack_offset == 0) { VGM_LOG("NUS3BANK: chunks found\n"); goto fail; } } /* parse tones */ { int i; uint32_t codec_id = 0; size_t entries = read_32bitLE(tone_offset+0x00, streamFile); /* get actual number of subsongs */ total_subsongs = 0; if (target_subsong == 0) target_subsong = 1; for (i = 0; i < entries; i++) { off_t offset, tone_header_offset, stream_name_offset, stream_offset; size_t tone_header_size, stream_name_size, stream_size; uint8_t flags2; tone_header_offset = read_32bitLE(tone_offset+0x04+(i*0x08)+0x00, streamFile); tone_header_size = read_32bitLE(tone_offset+0x04+(i*0x08)+0x04, streamFile); offset = tone_offset + tone_header_offset; //;VGM_LOG("NUS3BANK: tone at %lx, size %x\n", tone_offset + tone_header_offset, tone_header_size); if (tone_header_size <= 0x0c) { //VGM_LOG("NUS3BANK: bad tone at %lx, size %x\n", tone_offset + tone_header_offset, tone_header_size); continue; /* ignore non-sounds */ } /* 0x00: type? normally 0x00 and rarely 0x09 */ /* 0x04: usually -1, found when tone is not a stream (most flags are off too) */ /* 0x06: flags1 */ flags2 = read_8bit(offset + 0x07, streamFile); offset += 0x08; /* flags3-6 (early .nub2 and some odd non-stream don't have them) */ if (flags2 & 0x80) { offset += 0x04; } stream_name_size = read_8bit(offset + 0x00, streamFile); /* includes null */ stream_name_offset = offset + 0x01; offset += align_size_to_block(0x01 + stream_name_size, 0x04); /* padded if needed */ /* 0x00: subtype? should be 0 */ if (read_32bitLE(offset + 0x04, streamFile) != 0x08) { /* flag? */ //;VGM_LOG("NUS3BANK: bad tone type at %lx, size %x\n", tone_offset + tone_header_offset, tone_header_size); continue; } stream_offset = read_32bitLE(offset + 0x08, streamFile) + pack_offset; stream_size = read_32bitLE(offset + 0x0c, streamFile); //;VGM_LOG("NUS3BANK: so=%lx, ss=%x\n", stream_offset, stream_size); /* Beyond are a bunch of sub-chunks of unknown size with floats and stuff, that seemingly * appear depending on flags1-6. One is a small stream header, which contains basic * sample rate/channels/loops/etc, but it's actually optional and maybe controlled by * flags 3-6 (ex. not found in .nub2) */ /* happens in some sfx packs (ex. Taiko no Tatsujin Switch's se_minigame) */ if (stream_size == 0) { //;VGM_LOG("NUS3BANK: bad tone stream size at %lx, size %x\n", tone_offset + tone_header_offset, tone_header_size); continue; } total_subsongs++; if (total_subsongs == target_subsong) { //;VGM_LOG("NUS3BANK: subsong header offset %lx\n", offset); subfile_offset = stream_offset; subfile_size = stream_size; name_size = stream_name_size; name_offset = stream_name_offset; } /* continue counting subsongs */ } if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail; if (subfile_offset == 0) { VGM_LOG("NUS3BANK: subsong not found\n"); goto fail; } //todo improve, codec may be in one of the tone sub-chunks (or other chunk? one bank seems to share codec) codec_id = read_32bitBE(subfile_offset, streamFile); switch(codec_id) { case 0x49445350: /* "IDSP" [Super Smash Bros. for 3DS (3DS)] */ codec = IDSP; fake_ext = "idsp"; break; case 0x52494646: /* "RIFF" [THE iDOLM@STER 2 (PS3), Mario Kart Arcade GP DX (PC), idolm@ster: Platinum Stars (PS4)] */ codec = RIFF; fake_ext = "wav"; //TODO: works but should have better detection break; case 0x4F505553: /* "OPUS" [Taiko no Tatsujin (Switch)] */ codec = OPUS; fake_ext = "opus"; break; case 0x424E5346: /* "BNSF" [Naruto Shippuden Ultimate Ninja Storm 4 (PC)] */ codec = BNSF; fake_ext = "bnsf"; break; case 0x49564147: /* "IVAG" [THE iDOLM@STER 2 (PS3), THE iDOLM@STER: Gravure For You! (PS3)] */ codec = IVAG; fake_ext = "ivag"; break; case 0x552AAF17: /* "RIFF" with encrypted header (not data) [THE iDOLM@STER 2 (X360)] */ //TODO default: VGM_LOG("NUS3BANK: unknown codec %x\n", codec_id); goto fail; } } //;VGM_LOG("NUS3BANK: subfile=%lx, size=%x\n", subfile_offset, subfile_size); temp_sf = setup_subfile_streamfile(streamFile, subfile_offset, subfile_size, fake_ext); if (!temp_sf) goto fail; /* init the VGMSTREAM */ switch(codec) { case IDSP: vgmstream = init_vgmstream_idsp_namco(temp_sf); if (!vgmstream) goto fail; break; case OPUS: vgmstream = init_vgmstream_opus_nus3(temp_sf); if (!vgmstream) goto fail; break; case RIFF: vgmstream = init_vgmstream_riff(temp_sf); if (!vgmstream) goto fail; break; case BNSF: vgmstream = init_vgmstream_bnsf(temp_sf); if (!vgmstream) goto fail; break; case IVAG: vgmstream = init_vgmstream_ivag(temp_sf); if (!vgmstream) goto fail; break; default: goto fail; } vgmstream->num_streams = total_subsongs; if (name_offset) read_string(vgmstream->stream_name,name_size, name_offset,streamFile); close_streamfile(temp_sf); return vgmstream; fail: close_streamfile(temp_sf); close_vgmstream(vgmstream); return NULL; }