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https://github.com/vgmstream/vgmstream.git
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63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* WADY - from Marble engine games [Eien no Owari ni (PC), Elf no Futagohime (PC)] */
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VGMSTREAM* init_vgmstream_wady(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, sample_rate, scale, num_samples;
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size_t codec_size;
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/* checks */
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/* .way/extensionless: found in some bigfiles */
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if (!check_extensions(sf, "way,"))
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goto fail;
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if (read_u32be(0x00,sf) != 0x57414459) /* "WADY" */
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goto fail;
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/* 0x04: none */
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scale = read_u8(0x05,sf);
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channels = read_u16le(0x06,sf);
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sample_rate = read_s32le(0x08,sf);
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codec_size = read_u32le(0x0c,sf);
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num_samples = read_s32le(0x10,sf);
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/* 0x14: PCM size? */
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/* 0x18/1c: null */
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/* 0x20: fmt-like subheader (codec/channels/srate/bitrate/bps/spf) */
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start_offset = 0x30;
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loop_flag = 0;
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//todo implement
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/* codec variation used in SFX */
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if (codec_size + start_offset != get_streamfile_size(sf))
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goto fail;
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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_WADY;
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vgmstream->sample_rate = sample_rate;
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vgmstream->coding_type = coding_WADY;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x01;
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vgmstream->num_samples = num_samples;
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{
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int i;
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for (i = 0; i < channels; i++) {
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vgmstream->ch[i].adpcm_scale = scale;
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}
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}
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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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