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1c042b7784
Both IMA and IMA_int work the same then channels = 1, so this is just to signal when IMA stereo (nibble interleave) is actually used (ie. rarely)
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
#include "meta.h"
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/* DVI - from Konami KCE Yokohama DC games (Pop'n Music series) */
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VGMSTREAM * init_vgmstream_dc_kcey(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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/* check extension (.pcm: original, .kcey: renamed to header id) */
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if ( !check_extensions(streamFile,"pcm,kcey") )
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goto fail;
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/* check header */
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if (read_32bitBE(0x00,streamFile) != 0x4B434559) /* "KCEY" (also "COMP") */
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goto fail;
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start_offset = read_32bitBE(0x10,streamFile);
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loop_flag = (read_32bitBE(0x14,streamFile) != 0xFFFFFFFF);
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channel_count = read_32bitBE(0x08,streamFile);
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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 = 37800;
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vgmstream->num_samples = read_32bitBE(0x0C,streamFile);
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vgmstream->loop_start_sample = read_32bitBE(0x14,streamFile);
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vgmstream->loop_end_sample = read_32bitBE(0x0C,streamFile);
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vgmstream->coding_type = coding_DVI_IMA; /* stereo/mono, high nibble first */
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vgmstream->layout_type = layout_none;
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vgmstream->meta_type = meta_DC_KCEY;
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/* open the file for reading */
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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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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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