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57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#include "meta.h"
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#include "../layout/layout.h"
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#include "../coding/coding.h"
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/* .mus - from Krome games [Ty: The Tasmanian Tiger 2 (GC), Star Wars: The Force Unleashed (Wii)] */
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VGMSTREAM* init_vgmstream_mus_krome(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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uint32_t start_offset, data_size;
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int channels, loop_flag, interleave;
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int32_t num_samples;
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/* checks */
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num_samples = read_s32be(0x00,sf);
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interleave = read_s32be(0x04,sf);
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start_offset = read_u32be(0x08,sf);
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data_size = read_u32be(0x0c,sf);
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if (interleave != 0x8000)
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return NULL;
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if (start_offset != 0x80)
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return NULL;
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if (data_size + start_offset != get_streamfile_size(sf))
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return NULL;
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/* could test gain/initial ps at 0x10 + 0x20 too */
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if (!check_extensions(sf,"mus"))
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return NULL;
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channels = 2;
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loop_flag = 0;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channels, loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_MUS_KROME;
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vgmstream->num_samples = num_samples;
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vgmstream->sample_rate = read_u16be(0x6c,sf);
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = interleave; /* no last block size unlike similar DSPs */
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dsp_read_coefs_be(vgmstream, sf, 0x10, 0x2e);
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dsp_read_hist_be(vgmstream, sf, 0x10 + 0x24, 0x2e);
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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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