147 lines
4.4 KiB
C
147 lines
4.4 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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#include "cri_utf.h"
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/* CSB (Cue Sheet Binary?) - CRI container of memory audio, often together with a .cpk wave bank */
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VGMSTREAM * init_vgmstream_csb(STREAMFILE *streamFile) {
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VGMSTREAM *vgmstream = NULL;
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STREAMFILE *temp_sf = NULL;
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off_t subfile_offset;
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size_t subfile_size;
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utf_context *utf = NULL;
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utf_context *utf_sdl = NULL;
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int total_subsongs, target_subsong = streamFile->stream_index;
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uint8_t fmt = 0;
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const char *stream_name;
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/* checks */
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if (!check_extensions(streamFile, "csb"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x40555446) /* "@UTF" */
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goto fail;
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/* .csb is an early, simpler version of .acb+awk (see acb.c) used until ~2013?
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* Can stream from .cpk but this only loads memory data. */
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{
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int rows, sdl_rows, sdl_row, i;
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const char *name;
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const char *row_name;
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const char *sdl_name;
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uint32_t sdl_offset, sdl_size, offset, size;
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uint32_t table_offset = 0x00;
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uint8_t ttype;
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int found = 0;
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utf = utf_open(streamFile, table_offset, &rows, &name);
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if (!utf) goto fail;
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if (strcmp(name, "TBLCSB") != 0)
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goto fail;
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/* each TBLCSB row has a name and subtable with actual things:
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* - INFO (TBL_INFO): table type/version
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* - CUE (TBLCUE): base cues
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* - SYNTH (TBLSYN): cue configs
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* - SOUND_ELEMENT (TBLSDL): audio info/data (usually AAX)
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* - ISAAC (TBLISC): 3D config
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* - VOICE_LIMIT_GROUP (TBLVLG): system info?
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* Subtable can be empty but must still appear (0 rows).
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*/
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sdl_row = 3; /* should use fixed order */
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/* get SOUND_ELEMENT and table */
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if (!utf_query_string(utf, sdl_row, "name", &row_name) || strcmp(row_name, "SOUND_ELEMENT") != 0)
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goto fail;
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if (!utf_query_u8(utf, sdl_row, "ttype", &ttype) || ttype != 4)
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goto fail;
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if (!utf_query_data(utf, sdl_row, "utf", &sdl_offset, &sdl_size))
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goto fail;
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utf_sdl = utf_open(streamFile, sdl_offset, &sdl_rows, &sdl_name);
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if (!utf_sdl) goto fail;
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if (strcmp(sdl_name, "TBLSDL") != 0)
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goto fail;
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total_subsongs = 0;
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if (target_subsong == 0) target_subsong = 1;
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/* get target subsong */
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for (i = 0; i < sdl_rows; i++) {
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uint8_t stream_flag;
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if (!utf_query_u8(utf_sdl, i, "stmflg", &stream_flag))
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goto fail;
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/* only internal data for now (when 1 this refers to a .cpk subfile probably using "name", has size 0) */
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if (stream_flag)
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continue;
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total_subsongs++;
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if (total_subsongs == target_subsong && !found) {
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if (!utf_query_string(utf_sdl, i, "name", &stream_name))
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goto fail;
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if (!utf_query_data(utf_sdl, i, "data", &offset, &size))
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goto fail;
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if (!utf_query_u8(utf_sdl, i, "fmt", &fmt))
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goto fail;
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/* also nch/sfreq/nsmpl info */
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found = 1;
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}
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}
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if (!found) goto fail;
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if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
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subfile_offset = /*sdl_offset +*/ offset;
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subfile_size = size;
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/* column exists but can be empty */
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if (subfile_size == 0)
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goto fail;
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}
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//;VGM_LOG("CSB: subfile offset=%lx + %x\n", subfile_offset, subfile_size);
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temp_sf = setup_subfile_streamfile(streamFile, subfile_offset, subfile_size, "aax");
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if (!temp_sf) goto fail;
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switch(fmt) {
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case 0: /* AAX */
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case 6: /* HCA */
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vgmstream = init_vgmstream_aax(temp_sf);
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if (!vgmstream) goto fail;
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break;
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case 4: /* ADPCM_WII */
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vgmstream = init_vgmstream_utf_dsp(temp_sf);
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if (!vgmstream) goto fail;
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break;
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default:
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VGM_LOG("CSB: unknown format %i\n", fmt);
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goto fail;
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}
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vgmstream->num_streams = total_subsongs;
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strncpy(vgmstream->stream_name, stream_name, STREAM_NAME_SIZE-1);
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utf_close(utf);
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utf_close(utf_sdl);
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close_streamfile(temp_sf);
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return vgmstream;
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fail:
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utf_close(utf);
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utf_close(utf_sdl);
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close_streamfile(temp_sf);
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close_vgmstream(vgmstream);
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return NULL;
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}
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