45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* DIVA - Hatsune Miku: Project DIVA Arcade */
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VGMSTREAM * init_vgmstream_diva(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int channel_count;
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int loop_end;
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int loop_flag;
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/* checks */
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if (!check_extensions(streamFile, "diva"))
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goto fail;
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if (read_32bitBE(0x00, streamFile) != 0x44495641) /* "DIVA" */
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goto fail;
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start_offset = 0x40;
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channel_count = read_8bit(0x1C, streamFile);
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loop_end = read_32bitLE(0x18, streamFile);
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loop_flag = (loop_end != 0);
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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_32bitLE(0x0C, streamFile);
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vgmstream->num_samples = read_32bitLE(0x10, streamFile);
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vgmstream->loop_start_sample = read_32bitLE(0x14, streamFile);
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vgmstream->loop_end_sample = loop_end;
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vgmstream->meta_type = meta_DIVA;
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vgmstream->layout_type = layout_none;
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vgmstream->coding_type = coding_DVI_IMA;
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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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} |