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26 lines
827 B
C
26 lines
827 B
C
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#include "layout.h"
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#include "../vgmstream.h"
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/* set up for the block at the given offset */
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void ivaud_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
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int i,j;
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off_t start_offset;
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off_t interleave_size;
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int32_t nextFrame=0;
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STREAMFILE *streamFile=vgmstream->ch[0].streamfile;
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vgmstream->current_block_offset = block_offset;
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nextFrame=(read_32bitLE(vgmstream->current_block_offset+0x28,streamFile)<<12)+0x800;
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vgmstream->next_block_offset = vgmstream->current_block_offset + nextFrame;
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vgmstream->current_block_size=read_32bitLE(block_offset+0x24,streamFile)/2;
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start_offset=vgmstream->current_block_offset + 0x800;
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interleave_size=(read_32bitLE(block_offset+0x28,streamFile)<<12)/2;
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for(i=0;i<vgmstream->channels;i++) {
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vgmstream->ch[i].offset = start_offset + (i*interleave_size);
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}
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}
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