23 lines
800 B
C
23 lines
800 B
C
#include "layout.h"
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#include "../vgmstream.h"
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/* simple headered blocks */
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void block_update_ast(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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size_t block_data, header_size;
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int32_t(*read_32bit)(off_t, STREAMFILE*) = vgmstream->codec_endian ? read_32bitBE : read_32bitLE;
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/* 0x00: "BLCK", rest: null */
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block_data = read_32bit(block_offset+0x04,streamFile);
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header_size = 0x20;
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vgmstream->current_block_offset = block_offset;
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vgmstream->current_block_size = block_data;
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vgmstream->next_block_offset = block_offset + block_data*vgmstream->channels + header_size;
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for (i = 0; i < vgmstream->channels; i++) {
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vgmstream->ch[i].offset = block_offset + header_size + block_data*i;
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}
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}
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