mirror of
https://github.com/vgmstream/vgmstream.git
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33 lines
1.0 KiB
C
33 lines
1.0 KiB
C
#include "layout.h"
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#include "../coding/coding.h"
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#include "../layout/layout.h"
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#include "../vgmstream.h"
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/* VGS multistream frames */
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void block_update_vgs(off_t block_offset, VGMSTREAM * vgmstream) {
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STREAMFILE* streamFile = vgmstream->ch[0].streamfile;
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size_t file_size = get_streamfile_size(vgmstream->ch[0].streamfile);
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int i;
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size_t channel_size = 0x10;
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/* set offsets */
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for (i = 0; i < vgmstream->channels; i++) {
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vgmstream->ch[i].offset = block_offset + channel_size*i;
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}
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vgmstream->current_block_size = channel_size;
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vgmstream->current_block_offset = block_offset;
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vgmstream->next_block_offset = block_offset + channel_size*vgmstream->channels;
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/* skip unhandled tracks: flag can be 0x0n per track, of 0x8x for last frame */
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while (vgmstream->next_block_offset < file_size) {
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if ((read_8bit(vgmstream->next_block_offset + 0x01, streamFile) & 0x0F) == 0x00)
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break;
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vgmstream->next_block_offset += channel_size;
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}
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}
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