66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* KNON - from Donkey Kong: Barrel Blast (Wii) */
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VGMSTREAM* init_vgmstream_knon(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channels;
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/* checks*/
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if (!is_id32be(0x00,sf, "KNON"))
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goto fail;
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/* .str: PCM files
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* .asr: DSP files */
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if (!check_extensions(sf, "str,asr"))
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goto fail;
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if (!is_id32be(0x08,sf, "WII "))
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goto fail;
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loop_flag = (read_32bitBE(0x44,sf) != 0);
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channels = 2;
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start_offset = 0x800;
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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->sample_rate = read_32bitBE(0x40,sf);
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switch (read_32bitBE(0x20,sf)) {
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case 0x4B415354: /* "KAST" */
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->num_samples = dsp_bytes_to_samples(read_32bitBE(0x3C,sf), channels);
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vgmstream->loop_start_sample = dsp_bytes_to_samples(read_32bitBE(0x44,sf), channels);
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vgmstream->loop_end_sample = dsp_bytes_to_samples(read_32bitBE(0x48,sf), channels);
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vgmstream->interleave_block_size = 0x10;
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dsp_read_coefs_be(vgmstream, sf, 0x8c, 0x60);
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break;
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case 0x4B505354: /* "KPST" */
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vgmstream->coding_type = coding_PCM16BE;
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vgmstream->num_samples = pcm16_bytes_to_samples(read_32bitBE(0x3C,sf), channels);
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vgmstream->loop_start_sample = pcm16_bytes_to_samples(read_32bitBE(0x44,sf), channels);
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vgmstream->loop_end_sample = pcm16_bytes_to_samples(read_32bitBE(0x48,sf), channels);
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vgmstream->interleave_block_size = 0x10;
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break;
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default:
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goto fail;
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}
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vgmstream->layout_type = layout_interleave;
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vgmstream->meta_type = meta_KNON;
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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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