50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
#include "meta.h"
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#include "sscf_encrypted.h"
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/* SSCF - Square-Enix games, older version of .scd with encrypted data [Final Fantasy XI (360), PlayOnline Viewer (X360)] */
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VGMSTREAM* init_vgmstream_sscf_encrypted(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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STREAMFILE* temp_sf = NULL;
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uint32_t xorkey;
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/* checks */
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if (!is_id32be(0x00,sf, "SSCF"))
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goto fail;
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if (!check_extensions(sf, "scd"))
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goto fail;
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/* LE header even though X360 */
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/* 0x04: version? (0x0003xxxx)*/
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/* 0x08: file size, except for a few files that with a weird value */
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/* 0x0c: null */
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/* 0x10: file id */
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xorkey = read_u32le(0x14,sf);
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/* 0x18: null */
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/* 0x1c: always 1 */
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/* 0x20~0x40: null */
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/* 0x40: num samples? */
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/* 0x48: loop start? */
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/* 0x50: channels */
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/* 0x54: sample rate */
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/* rest: null */
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/* 0x80: encrypted RIFF data */
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temp_sf = setup_sscf_streamfile(sf, xorkey);
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if (!temp_sf) goto fail;
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vgmstream = init_vgmstream_xma(temp_sf);
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if (!vgmstream) goto fail;
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close_streamfile(temp_sf);
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return vgmstream;
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fail:
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close_streamfile(temp_sf);
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close_vgmstream(vgmstream);
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return NULL;
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}
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