12a0e76fcf
Updated VGMStream to r2023-16-gb2fc214a Signed-off-by: Christopher Snowhill <kode54@gmail.com>
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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#include "../util/endianness.h"
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/* RWAR - NintendoWare container [BIT.TRIP BEAT (Wii), Dance Dance Revolution Hottest Party 2 (Wii)] */
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VGMSTREAM* init_vgmstream_rwar(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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STREAMFILE* temp_sf = NULL;
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uint32_t tabl_offset, data_offset;
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uint32_t subfile_offset, subfile_size;
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int total_subsongs, target_subsong = sf->stream_index;
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/* checks */
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if (!is_id32be(0x00, sf, "RWAR"))
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goto fail;
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if (!check_extensions(sf,"rwar"))
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goto fail;
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/* simple container of .rwavs (inside .brsar), rarely used with single siles (DDR) */
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/* abridged, see RWAV (same header) */
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/* 0x04(2): BOM */
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/* 0x06(2): version (usually 0100) */
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/* 0x08: file size */
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/* 0x0c(2): header size (0x20) */
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/* 0x0e(2): sections (2) */
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tabl_offset = read_u32be(0x10, sf);
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/* 0x14: tabl size */
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data_offset = read_u32be(0x18, sf);
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/* 0x1c: data size */
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/* TABL section */
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if (!is_id32be(tabl_offset + 0x00, sf, "TABL"))
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return NULL;
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/* 0x04: size */
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total_subsongs = read_u32be(tabl_offset + 0x08,sf);
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if (target_subsong == 0) target_subsong = 1;
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if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
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/* 0x00: always 0x01000000? */
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subfile_offset = read_u32be(tabl_offset + 0x0c + (target_subsong-1) * 0x0c + 0x04,sf) + data_offset;
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subfile_size = read_u32be(tabl_offset + 0x0c + (target_subsong-1) * 0x0c + 0x08,sf);
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/* DATA section */
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if (!is_id32be(data_offset + 0x00, sf, "DATA"))
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goto fail;
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/* 0x04: size */
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//VGM_LOG("BRWAR: of=%x, sz=%x\n", subfile_offset, subfile_size);
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temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "rwav");
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if (!temp_sf) goto fail;
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vgmstream = init_vgmstream_brwav(temp_sf);
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if (!vgmstream) goto fail;
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vgmstream->num_streams = total_subsongs;
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close_streamfile(temp_sf);
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return vgmstream;
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fail:
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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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