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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* PIFF TADH - from Tantalus games [House of the Dead (SAT)] */
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VGMSTREAM* init_vgmstream_piff_tpcm(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset, header_offset, data_size;
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int loop_flag, channels, sample_rate;
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/* checks */
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/* .tad: from internal filenames */
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if (!check_extensions(sf, "tad"))
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goto fail;
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/* Tantalus also has PIFF without this */
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if (!is_id32be(0x00,sf, "PIFF") || !is_id32be(0x08,sf, "TPCM") || !is_id32be(0x0c,sf, "TADH"))
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goto fail;
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header_offset = 0x14;
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/* 0x00: 1? */
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/* 0x01: 1? */
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channels = read_u16le(header_offset + 0x02,sf);
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sample_rate = read_s32le(header_offset + 0x04,sf);
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/* 0x08+: ? (mostly fixed, maybe related to ADPCM?) */
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loop_flag = 0;
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if (!is_id32be(0x38,sf, "BODY"))
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goto fail;
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start_offset = 0x40;
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data_size = read_u32le(0x3c,sf);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channels, loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_PIFF_TPCM;
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vgmstream->sample_rate = sample_rate;
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vgmstream->coding_type = coding_TANTALUS;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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vgmstream->num_samples = tantalus_bytes_to_samples(data_size, channels);
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if (!vgmstream_open_stream(vgmstream, sf, start_offset))
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goto fail;
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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