#include "meta.h" #include "../coding/coding.h" /* RFTM - Retro Studios format [Metroid Prime Remastered] */ static VGMSTREAM* init_vgmstream_rfrm_mpr(STREAMFILE* sf) { VGMSTREAM* vgmstream = NULL; off_t fmta_offset = 0, data_offset = 0, ras3_offset = 0, header_offset, start_offset; size_t data_size = 0, interleave; int loop_flag, channels; int loop_start, loop_end, padding; /* checks */ if (!is_id32be(0x00, sf, "RFRM")) goto fail; /* 0x08: file size but not exact */ if (!is_id32be(0x14, sf, "CSMP")) goto fail; if (!check_extensions(sf, "csmp")) goto fail; if (read_32bitLE(0x18,sf) != 0x1F) /* assumed, also at 0x1c */ goto fail; /* parse chunks (always BE) */ { off_t chunk_offset = 0x20; off_t file_size = get_streamfile_size(sf); while (chunk_offset < file_size) { uint32_t chunk_type = read_32bitBE(chunk_offset + 0x00,sf); size_t chunk_size = read_32bitLE(chunk_offset + 0x08,sf); switch(chunk_type) { case 0x464D5441: /* "FMTA" */ fmta_offset = chunk_offset + 0x18; chunk_offset += 5 + 0x18 + chunk_size; break; case 0x44415441: /* "DATA" */ data_offset = chunk_offset + 0x18; data_size = read_32bitLE(chunk_offset + 0x04, sf); /* we're done here, DATA is the last chunk */ chunk_offset = file_size; break; case 0x52415333: /* "RAS3" */ ras3_offset = chunk_offset + 0x18; chunk_offset += 60; break; case 0x43524D53: /* CRMS */ chunk_offset += 9 + 0x18 + chunk_size + read_32bitLE(chunk_offset + 0x18 + chunk_size + 5, sf); break; default: goto fail; } } if (!fmta_offset || !data_offset || !data_size) goto fail; } /* parse FMTA / DATA (fully interleaved standard DSPs) */ channels = read_8bit(fmta_offset + 0x00, sf); if (channels == 0) goto fail; /* div by zero */ /* FMTA 0x08: channel mapping */ header_offset = data_offset; start_offset = header_offset + 0x80 * channels; loop_flag = read_16bitLE(header_offset + 0x0C, sf); interleave = data_size / channels; if (ras3_offset) { int block_size = read_32bitLE(ras3_offset + 0x00, sf); int block_samples = read_32bitLE(ras3_offset + 0x8, sf); int loop_start_block = read_32bitLE(ras3_offset + 0x14, sf); int loop_start_sample = read_32bitLE(ras3_offset + 0x18, sf); int loop_end_block = read_32bitLE(ras3_offset + 0x1C, sf); int loop_end_sample = read_32bitLE(ras3_offset + 0x20, sf); padding = read_32bitLE(ras3_offset + 0x0C, sf); loop_start = loop_start_block * block_samples + loop_start_sample - padding; loop_end = loop_end_block * block_samples + loop_end_sample - padding; if ((loop_start || loop_end) && (loop_start < loop_end)) loop_flag = 1; interleave = block_size / channels; } else { loop_start = dsp_nibbles_to_samples(read_32bitLE(header_offset + 0x10, sf)); loop_end = dsp_nibbles_to_samples(read_32bitLE(header_offset + 0x14, sf)) + 1; } /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channels, loop_flag); if (!vgmstream) goto fail; vgmstream->meta_type = meta_RFRM; vgmstream->sample_rate = read_32bitLE(header_offset + 0x08, sf); vgmstream->num_samples = read_32bitLE(header_offset + 0x00, sf); vgmstream->loop_start_sample = loop_start; vgmstream->loop_end_sample = loop_end; if (vgmstream->loop_end_sample > vgmstream->num_samples) /* ? */ vgmstream->loop_end_sample = vgmstream->num_samples; if (ras3_offset) { int padding_bytes = padding / 14 * 8; /* round to frames */ vgmstream->interleave_first_block_size = interleave - padding_bytes; vgmstream->interleave_first_skip = padding_bytes; start_offset += padding_bytes; } vgmstream->coding_type = coding_NGC_DSP; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = interleave; dsp_read_coefs(vgmstream, sf, header_offset + 0x1C, 0x80, 0); dsp_read_hist (vgmstream, sf, header_offset + 0x40, 0x80, 0); if (!vgmstream_open_stream(vgmstream, sf, start_offset)) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; } /* RFTM - Retro Studios format [Donkey Kong Country Tropical Freeze (WiiU/Switch)] */ VGMSTREAM* init_vgmstream_rfrm(STREAMFILE* sf) { VGMSTREAM *vgmstream = NULL; off_t fmta_offset = 0, data_offset = 0, header_offset, start_offset; size_t data_size = 0, interleave; int loop_flag, channels, version; int big_endian; int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL; int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL; /* checks */ if (!is_id32be(0x00, sf, "RFRM")) goto fail; /* 0x08: file size but not exact */ if (!is_id32be(0x14, sf, "CSMP")) goto fail; if (!check_extensions(sf, "csmp")) goto fail; version = read_32bitBE(0x18,sf); /* assumed, also at 0x1c */ if (version == 0x0a) { /* Wii U */ read_32bit = read_32bitBE; read_16bit = read_16bitBE; big_endian = 1; } else if (version == 0x12) { /* Switch */ read_32bit = read_32bitLE; read_16bit = read_16bitLE; big_endian = 0; } else if (version == 0x1F000000) { /* Metroid Prime Remastered */ return init_vgmstream_rfrm_mpr(sf); } else { goto fail; } /* parse chunks (always BE) */ { off_t chunk_offset = 0x20; off_t file_size = get_streamfile_size(sf); while (chunk_offset < file_size) { uint32_t chunk_type = read_32bitBE(chunk_offset+0x00,sf); size_t chunk_size = read_32bitBE(chunk_offset+0x08,sf); /* maybe 64b from 0x04? */ switch(chunk_type) { case 0x464D5441: /* "FMTA" */ fmta_offset = chunk_offset + 0x18; break; case 0x44415441: /* "DATA" */ data_offset = chunk_offset + 0x18; data_size = chunk_size; break; default: /* known: "LABL" (usually before "FMTA"), "META" (usually after "DATA") */ break; } chunk_offset += 0x18 + chunk_size; } if (!fmta_offset || !data_offset || !data_size) goto fail; } /* parse FMTA / DATA (fully interleaved standard DSPs) */ channels = read_8bit(fmta_offset+0x00, sf); /* FMTA 0x08: channel mapping */ header_offset = data_offset; if (version == 0x0a) { size_t align = 0x03; /* possibly 32b align */ header_offset += align; data_size -= align; } start_offset = header_offset + 0x60; loop_flag = read_16bit(header_offset + 0x0C, sf); interleave = data_size / channels; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channels, loop_flag); if (!vgmstream) goto fail; vgmstream->meta_type = meta_RFRM; vgmstream->sample_rate = read_32bit(header_offset + 0x08, sf); vgmstream->num_samples = read_32bit(header_offset + 0x00, sf); vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bit(header_offset + 0x10, sf)); vgmstream->loop_end_sample = dsp_nibbles_to_samples(read_32bit(header_offset + 0x14, sf)) + 1; if (vgmstream->loop_end_sample > vgmstream->num_samples) /* ? */ vgmstream->loop_end_sample = vgmstream->num_samples; vgmstream->coding_type = coding_NGC_DSP; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = interleave; dsp_read_coefs(vgmstream, sf, header_offset + 0x1C, interleave, big_endian); dsp_read_hist (vgmstream, sf, header_offset + 0x40, interleave, big_endian); if (!vgmstream_open_stream(vgmstream, sf, start_offset)) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; }