30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
#include "layout.h"
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#include "../coding/coding.h"
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/* EA style blocks */
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void block_update_ea_wve_au00(off_t block_offset, VGMSTREAM * vgmstream) {
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STREAMFILE* sf = vgmstream->ch[0].streamfile;
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int i;
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size_t block_size, channel_size = 0;
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uint32_t block_id;
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block_id = read_32bitBE(block_offset+0x00, sf);
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block_size = read_32bitBE(block_offset+0x04, sf);
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/* accept "au00/au01" audio block/footer */
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if (block_id == 0x61753030 || block_id == 0x61753031) {
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/* adjusted to frame boundaries as blocks have padding */
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channel_size = ((block_size - 0x10) / vgmstream->interleave_block_size * vgmstream->interleave_block_size) / vgmstream->channels;
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}
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/* rest could be "MDEC" video blocks with 0 size/samples */
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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 + block_size;
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for (i = 0; i < vgmstream->channels; i++) {
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vgmstream->ch[i].offset = (block_offset + 0x10) + channel_size*i;
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}
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}
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