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30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
#include "layout.h"
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#include "../vgmstream.h"
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/* .wsi - headered blocks with a single channel */
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void block_update_wsi(off_t block_offset, VGMSTREAM * vgmstream) {
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STREAMFILE* streamFile = vgmstream->ch[0].streamfile;
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int i;
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off_t channel_block_size;
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/* assume that all channels have the same size for this block */
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channel_block_size = read_32bitBE(block_offset, streamFile);
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vgmstream->current_block_offset = block_offset;
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vgmstream->current_block_size = channel_block_size - 0x10; /* remove header */
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vgmstream->next_block_offset = block_offset + channel_block_size*vgmstream->channels;
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for (i = 0; i < vgmstream->channels; i++) {
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vgmstream->ch[i].offset = block_offset + channel_block_size*i + 0x10;
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}
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/* first block has DSP header, remove */
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if (block_offset == vgmstream->ch[0].channel_start_offset) {
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vgmstream->current_block_size -= 0x60;
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for (i = 0; i < vgmstream->channels; i++) {
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vgmstream->ch[i].offset += 0x60;
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}
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}
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}
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