mirror of
https://github.com/vgmstream/vgmstream.git
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32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
#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 thp_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
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int i,j;
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STREAMFILE *streamFile=vgmstream->ch[0].streamfile;
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off_t start_offset;
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int32_t nextFrameSize;
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vgmstream->current_block_offset = block_offset;
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nextFrameSize=read_32bitBE(vgmstream->current_block_offset,streamFile);
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vgmstream->next_block_offset = vgmstream->current_block_offset
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+ vgmstream->full_block_size;
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vgmstream->full_block_size = nextFrameSize;
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start_offset=vgmstream->current_block_offset
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+ read_32bitBE(vgmstream->current_block_offset+0x08,streamFile)+0x10;
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vgmstream->current_block_size=read_32bitBE(start_offset,streamFile);
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start_offset+=8;
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for(i=0;i<vgmstream->channels;i++) {
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for(j=0;j<16;j++) {
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vgmstream->ch[i].adpcm_coef[j]=read_16bitBE(start_offset+(i*0x20)+(j*2),streamFile);
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}
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vgmstream->ch[i].adpcm_history1_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4),streamFile);
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vgmstream->ch[i].adpcm_history2_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4) + 2,streamFile);
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vgmstream->ch[i].offset = start_offset + (0x24*vgmstream->channels)+(i*vgmstream->current_block_size);
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}
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}
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