mirror of
https://github.com/vgmstream/vgmstream.git
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61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* XAU - from Konami games [Yu-Gi-Oh - The Dawn of Destiny (Xbox)] */
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VGMSTREAM * init_vgmstream_xau_konami(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, header_offset;
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size_t stream_size;
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int loop_flag, channel_count, sample_rate;
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off_t loop_start, loop_end;
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/* checks */
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if ( !check_extensions(streamFile,"xau") )
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x53465842) /* "SFXB" */
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goto fail;
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//todo: subsongs used in sfx packs (rare)
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if (read_32bitLE(0x54,streamFile) != 1) /* subsong count */
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goto fail;
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start_offset = 0x60 + read_32bitLE(0x34,streamFile);
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header_offset = 0x60 + 0x20 + 0x40*0; /* target subsong */
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if (read_32bitBE(header_offset+0x00,streamFile) != 0x52494646) /* "RIFF" */
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goto fail;
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if (read_16bitLE(header_offset+0x14,streamFile) != 0x01) /* codec */
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goto fail;
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channel_count = read_16bitLE(header_offset+0x16,streamFile);
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sample_rate = read_32bitLE(header_offset+0x18,streamFile);
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loop_start = read_32bitLE(header_offset+030,streamFile);
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loop_end = read_32bitLE(header_offset+0x34,streamFile);
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loop_flag = (loop_end > 0);
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stream_size = get_streamfile_size(streamFile) - start_offset;
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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->meta_type = meta_XAU_KONAMI;
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vgmstream->sample_rate = sample_rate;
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vgmstream->num_samples = pcm_bytes_to_samples(stream_size,channel_count,16);
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vgmstream->loop_start_sample = pcm_bytes_to_samples(loop_start,channel_count,16);
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vgmstream->loop_end_sample = pcm_bytes_to_samples(loop_end,channel_count,16);
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x02;
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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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