mirror of
https://github.com/vgmstream/vgmstream.git
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49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* BWAV - NintendoWare(?) [Super Mario Maker 2 (Switch)] */
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VGMSTREAM * init_vgmstream_bwav(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int channel_count, loop_flag;
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int32_t coef_start_offset, coef_spacing;
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/* checks */
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if (!check_extensions(streamFile, "bwav"))
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goto fail;
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/* BWAV header */
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if (read_32bitBE(0x00, streamFile) != 0x42574156) /* "BWAV" */
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goto fail;
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channel_count = read_16bitLE(0x0E, streamFile);
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start_offset = read_32bitLE(0x40, streamFile);
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loop_flag = read_32bitLE(0x4C, 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 = read_32bitLE(0x14, streamFile);
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vgmstream->num_samples = read_32bitLE(0x18, streamFile);
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vgmstream->loop_start_sample = read_32bitLE(0x50, streamFile);
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vgmstream->loop_end_sample = read_32bitLE(0x4C, streamFile);
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vgmstream->meta_type = meta_BWAV;
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vgmstream->layout_type = (channel_count == 1) ? layout_none : layout_interleave;
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vgmstream->interleave_block_size = read_32bitLE(0x8C, streamFile) - start_offset;
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vgmstream->coding_type = coding_NGC_DSP;
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coef_start_offset = 0x20;
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coef_spacing = 0x4C;
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dsp_read_coefs_le(vgmstream, streamFile, coef_start_offset, coef_spacing);
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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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