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43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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#include "../util.h"
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/* GCA - Terminal Reality games [Metal Slug Anthology (Wii), BlowOut (GC)] */
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VGMSTREAM * init_vgmstream_gca(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channel_count;
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/* checks */
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if (!check_extensions(streamFile, "gca"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x47434131) /* "GCA1" */
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goto fail;
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start_offset = 0x40;
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loop_flag = 0;
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channel_count = 1;
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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->sample_rate = read_32bitBE(0x2A,streamFile);
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->num_samples = dsp_nibbles_to_samples(read_32bitBE(0x26,streamFile));//read_32bitBE(0x26,streamFile)*7/8;
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vgmstream->layout_type = layout_none; /* we have no interleave, so we have no layout */
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vgmstream->meta_type = meta_GCA;
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dsp_read_coefs_be(vgmstream,streamFile,0x04,0x00);
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if (!vgmstream_open_stream(vgmstream,streamFile,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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