diff --git a/src/meta/nus3audio.c b/src/meta/nus3audio.c index 79826bc3..51326630 100644 --- a/src/meta/nus3audio.c +++ b/src/meta/nus3audio.c @@ -1,119 +1,119 @@ -#include "meta.h" -#include "../coding/coding.h" - -typedef enum { IDSP, OPUS, } nus3audio_codec; - -/* .nus3audio - Namco's newest newest audio container [Super Smash Bros. Ultimate (Switch)] */ -VGMSTREAM * init_vgmstream_nus3audio(STREAMFILE *streamFile) { - VGMSTREAM *vgmstream = NULL; - STREAMFILE *temp_streamFile = NULL; - off_t subfile_offset = 0, name_offset = 0; - size_t subfile_size = 0; - nus3audio_codec codec; - const char* fake_ext = NULL; - int total_subsongs, target_subsong = streamFile->stream_index; - - - /* checks */ - if (!check_extensions(streamFile, "nus3audio")) - goto fail; - if (read_32bitBE(0x00,streamFile) != 0x4E555333) /* "NUS3" */ - goto fail; - if (read_32bitLE(0x04,streamFile) + 0x08 != get_streamfile_size(streamFile)) - goto fail; - if (read_32bitBE(0x08,streamFile) != 0x41554449) /* "AUDI" */ - goto fail; - - - /* parse existing chunks */ - { - off_t offset = 0x0c; - size_t file_size = get_streamfile_size(streamFile); - uint32_t codec_id = 0; - - total_subsongs = 0; - - while (offset < file_size) { - uint32_t chunk_id = (uint32_t)read_32bitBE(offset+0x00, streamFile); - size_t chunk_size = (size_t)read_32bitLE(offset+0x04, streamFile); - - switch(chunk_id) { - case 0x494E4458: /* "INDX": audio index */ - total_subsongs = read_32bitLE(offset+0x08 + 0x00,streamFile); - if (target_subsong == 0) target_subsong = 1; - if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail; - break; - - case 0x4E4D4F46: /* "NMOF": name offsets (absolute, inside TNNM) */ - name_offset = read_32bitLE(offset+0x08 + 0x04*(target_subsong-1),streamFile); - break; - - case 0x41444F46: /* "ADOF": audio offsets (absolute, inside PACK) */ - subfile_offset = read_32bitLE(offset+0x08 + 0x08*(target_subsong-1) + 0x00,streamFile); - subfile_size = read_32bitLE(offset+0x08 + 0x08*(target_subsong-1) + 0x04,streamFile); - break; - - case 0x544E4944: /* "TNID": tone ids? */ - case 0x544E4E4D: /* "TNNM": tone names */ - case 0x4A554E4B: /* "JUNK": padding */ - case 0x5041434B: /* "PACK": main data */ - default: - break; - } - - offset += 0x08 + chunk_size; - } - - if (total_subsongs == 0 || subfile_offset == 0 || subfile_size == 0) { - VGM_LOG("NUS3AUDIO: subfile not found\n"); - goto fail; - } - - codec_id = read_32bitBE(subfile_offset, streamFile); - switch(codec_id) { - case 0x49445350: /* "IDSP" */ - codec = IDSP; - fake_ext = "idsp"; - break; - case 0x4F505553: /* "OPUS" */ - codec = OPUS; - fake_ext = "opus"; - break; - default: - VGM_LOG("NUS3AUDIO: unknown codec %x\n", codec_id); - goto fail; - } - } - - - temp_streamFile = setup_subfile_streamfile(streamFile, subfile_offset,subfile_size, fake_ext); - if (!temp_streamFile) goto fail; - - /* init the VGMSTREAM */ - switch(codec) { - case IDSP: - vgmstream = init_vgmstream_idsp_nus3(temp_streamFile); - if (!vgmstream) goto fail; - break; - case OPUS: - vgmstream = init_vgmstream_opus_nus3(temp_streamFile); - if (!vgmstream) goto fail; - break; - default: - goto fail; - } - - vgmstream->num_streams = total_subsongs; - if (name_offset) /* null-terminated */ - read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamFile); - - close_streamfile(temp_streamFile); - return vgmstream; - -fail: - close_streamfile(temp_streamFile); - close_vgmstream(vgmstream); - return NULL; -} - - +#include "meta.h" +#include "../coding/coding.h" + +typedef enum { IDSP, OPUS, } nus3audio_codec; + +/* .nus3audio - Namco's newest newest audio container [Super Smash Bros. Ultimate (Switch)] */ +VGMSTREAM * init_vgmstream_nus3audio(STREAMFILE *streamFile) { + VGMSTREAM *vgmstream = NULL; + STREAMFILE *temp_streamFile = NULL; + off_t subfile_offset = 0, name_offset = 0; + size_t subfile_size = 0; + nus3audio_codec codec; + const char* fake_ext = NULL; + int total_subsongs, target_subsong = streamFile->stream_index; + + + /* checks */ + if (!check_extensions(streamFile, "nus3audio")) + goto fail; + if (read_32bitBE(0x00,streamFile) != 0x4E555333) /* "NUS3" */ + goto fail; + if (read_32bitLE(0x04,streamFile) + 0x08 != get_streamfile_size(streamFile)) + goto fail; + if (read_32bitBE(0x08,streamFile) != 0x41554449) /* "AUDI" */ + goto fail; + + + /* parse existing chunks */ + { + off_t offset = 0x0c; + size_t file_size = get_streamfile_size(streamFile); + uint32_t codec_id = 0; + + total_subsongs = 0; + + while (offset < file_size) { + uint32_t chunk_id = (uint32_t)read_32bitBE(offset+0x00, streamFile); + size_t chunk_size = (size_t)read_32bitLE(offset+0x04, streamFile); + + switch(chunk_id) { + case 0x494E4458: /* "INDX": audio index */ + total_subsongs = read_32bitLE(offset+0x08 + 0x00,streamFile); + if (target_subsong == 0) target_subsong = 1; + if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail; + break; + + case 0x4E4D4F46: /* "NMOF": name offsets (absolute, inside TNNM) */ + name_offset = read_32bitLE(offset+0x08 + 0x04*(target_subsong-1),streamFile); + break; + + case 0x41444F46: /* "ADOF": audio offsets (absolute, inside PACK) */ + subfile_offset = read_32bitLE(offset+0x08 + 0x08*(target_subsong-1) + 0x00,streamFile); + subfile_size = read_32bitLE(offset+0x08 + 0x08*(target_subsong-1) + 0x04,streamFile); + break; + + case 0x544E4944: /* "TNID": tone ids? */ + case 0x544E4E4D: /* "TNNM": tone names */ + case 0x4A554E4B: /* "JUNK": padding */ + case 0x5041434B: /* "PACK": main data */ + default: + break; + } + + offset += 0x08 + chunk_size; + } + + if (total_subsongs == 0 || subfile_offset == 0 || subfile_size == 0) { + VGM_LOG("NUS3AUDIO: subfile not found\n"); + goto fail; + } + + codec_id = read_32bitBE(subfile_offset, streamFile); + switch(codec_id) { + case 0x49445350: /* "IDSP" */ + codec = IDSP; + fake_ext = "idsp"; + break; + case 0x4F505553: /* "OPUS" */ + codec = OPUS; + fake_ext = "opus"; + break; + default: + VGM_LOG("NUS3AUDIO: unknown codec %x\n", codec_id); + goto fail; + } + } + + + temp_streamFile = setup_subfile_streamfile(streamFile, subfile_offset,subfile_size, fake_ext); + if (!temp_streamFile) goto fail; + + /* init the VGMSTREAM */ + switch(codec) { + case IDSP: + vgmstream = init_vgmstream_idsp_nus3(temp_streamFile); + if (!vgmstream) goto fail; + break; + case OPUS: + vgmstream = init_vgmstream_opus_nus3(temp_streamFile); + if (!vgmstream) goto fail; + break; + default: + goto fail; + } + + vgmstream->num_streams = total_subsongs; + if (name_offset) /* null-terminated */ + read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamFile); + + close_streamfile(temp_streamFile); + return vgmstream; + +fail: + close_streamfile(temp_streamFile); + close_vgmstream(vgmstream); + return NULL; +} + +