47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
#include "meta.h"
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#include "../util.h"
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/* .SVAG - from SNK games [World Heroes Anthology (PS2), Fatal Fury Battle Archives 2 (PS2)] */
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VGMSTREAM* init_vgmstream_svag_snk(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channel_count, loop_start_block, loop_end_block;
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/* checks */
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if (!check_extensions(sf, "svag"))
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goto fail;
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if (read_32bitBE(0x00,sf) != 0x5641476D) /* "VAGm" */
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goto fail;
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channel_count = read_32bitLE(0x0c,sf);
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loop_start_block = read_32bitLE(0x18,sf);
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loop_end_block = read_32bitLE(0x1c,sf);
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loop_flag = loop_end_block > 0; /* loop_start_block can be 0 */
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start_offset = 0x20;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count, loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_SVAG_SNK;
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vgmstream->sample_rate = read_32bitLE(0x08,sf);
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vgmstream->num_samples = read_32bitLE(0x10,sf) * 28; /* size in blocks */
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vgmstream->loop_start_sample = loop_start_block * 28;
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vgmstream->loop_end_sample = loop_end_block * 28;
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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if (!vgmstream_open_stream(vgmstream, sf, start_offset))
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goto fail;
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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