mirror of
https://github.com/vgmstream/vgmstream.git
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53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include "meta.h"
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#include "../layout/layout.h"
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#include "../coding/coding.h"
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/* .VS - from Melbourne House games [Men in Black II (PS2), Grand Prix Challenge (PS2) */
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VGMSTREAM* init_vgmstream_vs(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channels;
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/* checks */
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if (!check_extensions(sf, "vs"))
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goto fail;
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if (read_u32be(0x00,sf) != 0xC8000000)
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goto fail;
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loop_flag = 0;
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channels = 2;
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start_offset = 0x08;
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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_VS;
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vgmstream->sample_rate = read_s32le(0x04,sf);
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_blocked_vs;
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if (!vgmstream_open_stream(vgmstream, sf, start_offset))
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goto fail;
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/* calc num_samples */
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{
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vgmstream->next_block_offset = start_offset;
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do {
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block_update(vgmstream->next_block_offset,vgmstream);
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vgmstream->num_samples += ps_bytes_to_samples(vgmstream->current_block_size, 1);
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}
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while (vgmstream->next_block_offset < get_streamfile_size(sf));
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block_update(start_offset, vgmstream);
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}
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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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