mirror of
https://github.com/vgmstream/vgmstream.git
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52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* ADP - from Konami Viper arcade games [ParaParaParadise 2ndMIX (AC)] */
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VGMSTREAM* init_vgmstream_adp_konami(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;
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size_t data_size, file_size;
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/* checks */
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if (!check_extensions(sf, "adp"))
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goto fail;
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if (read_u32be(0x00,sf) != 0x41445002) /* "ADP\2" */
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goto fail;
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start_offset = 0x10;
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channels = 2; /* probably @0x03 */
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loop_flag = 0;
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data_size = read_u32be(0x04,sf);
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file_size = get_streamfile_size(sf);
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if (!(data_size + start_offset - 0x04 <= file_size &&
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data_size + start_offset + 0x04 >= file_size)) /* 1 byte padding in some files */
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goto fail;
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if (read_u32be(0x08,sf) != 0 || read_u32be(0x0c,sf) != 0) /* maybe reserved for loop points */
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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_ADP_KONAMI;
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vgmstream->sample_rate = 44100;
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vgmstream->num_samples = oki_bytes_to_samples(data_size, channels);
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vgmstream->coding_type = coding_OKI4S;
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vgmstream->layout_type = layout_none;
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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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