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https://github.com/vgmstream/vgmstream.git
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58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* .vig - from Konami/KCE Studio games [Pop'n Music 11~14 (PS2), Dance Dance Revolution SuperNova/X (PS2)] */
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VGMSTREAM* init_vgmstream_vig_kces(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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uint32_t data_offset, data_size;
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int loop_flag, channels, sample_rate, interleave;
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uint32_t loop_start, loop_end;
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/* checks */
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if (read_u32be(0x00,sf) != 0x01006408)
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return NULL;
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/* .vig: actual extension from DDR exes */
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if (!check_extensions(sf, "vig"))
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return NULL;
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/* note this is almost the same as GbTs, may be fused later */
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/* 04: null */
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data_offset = read_u32le(0x08,sf);
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data_size = read_u32le(0x0C,sf); /* without padding */
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loop_start = read_u32le(0x10,sf); /* (0x00 if not set) */
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loop_end = read_u32le(0x14,sf); /* (0x00 if not set) */
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sample_rate = read_s32le(0x18,sf);
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channels = read_s32le(0x1C,sf);
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/* 20: 0? */
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interleave = read_u32le(0x24,sf); /* 0 for mono */
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/* 30+: garbage from other data */
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loop_flag = (loop_end > 0);
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loop_end += loop_start; /* loop region matches PS-ADPCM flags */
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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->sample_rate = sample_rate;
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vgmstream->num_samples = ps_bytes_to_samples(data_size, channels);
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vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channels);
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vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end, channels);
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = interleave;
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vgmstream->meta_type = meta_VIG_KCES;
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if (!vgmstream_open_stream(vgmstream, sf, data_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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