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clHCA.cpp
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clHCA.cpp
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//--------------------------------------------------
// インクルード
//--------------------------------------------------
#include "clHCA.h"
#include <stdio.h>
#include <memory.h>
//--------------------------------------------------
// インライン関数
//--------------------------------------------------
inline short bswap(short v) { short r = v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; return r; }
inline unsigned short bswap(unsigned short v) { unsigned short r = v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; return r; }
inline int bswap(int v) { int r = v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; return r; }
inline unsigned int bswap(unsigned int v) { unsigned int r = v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; return r; }
inline long long bswap(long long v) { long long r = v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; return r; }
inline unsigned long long bswap(unsigned long long v) { unsigned long long r = v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; r <<= 8; v >>= 8; r |= v & 0xFF; return r; }
inline float bswap(float v) { unsigned int i = bswap(*(unsigned int *)&v); return *(float *)&i; }
inline unsigned int ceil2(unsigned int a, unsigned int b) { return (b>0) ? (a / b + ((a%b) ? 1 : 0)) : 0; }
//--------------------------------------------------
// コンストラクタ
//--------------------------------------------------
clHCA::clHCA(unsigned int ciphKey1, unsigned int ciphKey2) :
_ciph_key1(ciphKey1), _ciph_key2(ciphKey2), _ath(), _cipher() {}
//--------------------------------------------------
// HCAチェック
//--------------------------------------------------
bool clHCA::CheckFile(void *data, unsigned int size) {
return (data&&size >= 4 && (*(unsigned int *)data & 0x7F7F7F7F) == 0x00414348);
}
//--------------------------------------------------
// チェックサム
//--------------------------------------------------
unsigned short clHCA::CheckSum(void *data, int size, unsigned short sum) {
static unsigned short v[] = {
0x0000,0x8005,0x800F,0x000A,0x801B,0x001E,0x0014,0x8011,0x8033,0x0036,0x003C,0x8039,0x0028,0x802D,0x8027,0x0022,
0x8063,0x0066,0x006C,0x8069,0x0078,0x807D,0x8077,0x0072,0x0050,0x8055,0x805F,0x005A,0x804B,0x004E,0x0044,0x8041,
0x80C3,0x00C6,0x00CC,0x80C9,0x00D8,0x80DD,0x80D7,0x00D2,0x00F0,0x80F5,0x80FF,0x00FA,0x80EB,0x00EE,0x00E4,0x80E1,
0x00A0,0x80A5,0x80AF,0x00AA,0x80BB,0x00BE,0x00B4,0x80B1,0x8093,0x0096,0x009C,0x8099,0x0088,0x808D,0x8087,0x0082,
0x8183,0x0186,0x018C,0x8189,0x0198,0x819D,0x8197,0x0192,0x01B0,0x81B5,0x81BF,0x01BA,0x81AB,0x01AE,0x01A4,0x81A1,
0x01E0,0x81E5,0x81EF,0x01EA,0x81FB,0x01FE,0x01F4,0x81F1,0x81D3,0x01D6,0x01DC,0x81D9,0x01C8,0x81CD,0x81C7,0x01C2,
0x0140,0x8145,0x814F,0x014A,0x815B,0x015E,0x0154,0x8151,0x8173,0x0176,0x017C,0x8179,0x0168,0x816D,0x8167,0x0162,
0x8123,0x0126,0x012C,0x8129,0x0138,0x813D,0x8137,0x0132,0x0110,0x8115,0x811F,0x011A,0x810B,0x010E,0x0104,0x8101,
0x8303,0x0306,0x030C,0x8309,0x0318,0x831D,0x8317,0x0312,0x0330,0x8335,0x833F,0x033A,0x832B,0x032E,0x0324,0x8321,
0x0360,0x8365,0x836F,0x036A,0x837B,0x037E,0x0374,0x8371,0x8353,0x0356,0x035C,0x8359,0x0348,0x834D,0x8347,0x0342,
0x03C0,0x83C5,0x83CF,0x03CA,0x83DB,0x03DE,0x03D4,0x83D1,0x83F3,0x03F6,0x03FC,0x83F9,0x03E8,0x83ED,0x83E7,0x03E2,
0x83A3,0x03A6,0x03AC,0x83A9,0x03B8,0x83BD,0x83B7,0x03B2,0x0390,0x8395,0x839F,0x039A,0x838B,0x038E,0x0384,0x8381,
0x0280,0x8285,0x828F,0x028A,0x829B,0x029E,0x0294,0x8291,0x82B3,0x02B6,0x02BC,0x82B9,0x02A8,0x82AD,0x82A7,0x02A2,
0x82E3,0x02E6,0x02EC,0x82E9,0x02F8,0x82FD,0x82F7,0x02F2,0x02D0,0x82D5,0x82DF,0x02DA,0x82CB,0x02CE,0x02C4,0x82C1,
0x8243,0x0246,0x024C,0x8249,0x0258,0x825D,0x8257,0x0252,0x0270,0x8275,0x827F,0x027A,0x826B,0x026E,0x0264,0x8261,
0x0220,0x8225,0x822F,0x022A,0x823B,0x023E,0x0234,0x8231,0x8213,0x0216,0x021C,0x8219,0x0208,0x820D,0x8207,0x0202,
};
for (unsigned char *s = (unsigned char *)data, *e = s + size; s<e; s++)sum = (sum << 8) ^ v[(sum >> 8) ^ *s];
return sum;
}
//--------------------------------------------------
// ヘッダ情報をコンソール出力
//--------------------------------------------------
bool clHCA::PrintInfo(const char *filenameHCA) {
// チェック
if (!(filenameHCA))return false;
// HCAファイルを開く
FILE *fp;
if (fopen_s(&fp, filenameHCA, "rb")) {
printf("Error: ファイルが開けませんでした。\n");
return false;
}
// ヘッダチェック
stHeader header;
memset(&header, 0, sizeof(header));
fread(&header, sizeof(header), 1, fp);
if (!CheckFile(&header, sizeof(header))) {
printf("Error: HCAファイルではありません。\n");
fclose(fp); return false;
}
// ヘッダ解析
header.dataOffset = bswap(header.dataOffset);
unsigned char *data = new unsigned char[header.dataOffset];
if (!data) {
printf("Error: メモリ不足です。\n");
fclose(fp); return false;
}
fseek(fp, 0, SEEK_SET);
fread(data, header.dataOffset, 1, fp);
unsigned char *s = (unsigned char *)data;
unsigned int size = header.dataOffset;
// サイズチェック
if (size<sizeof(stHeader)) {
printf("Error: ヘッダのサイズが小さすぎます。\n");
delete[] data; fclose(fp); return false;
}
// HCA
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00414348) {
stHeader *hca = (stHeader *)s; s += sizeof(stHeader);
_version = bswap(hca->version);
_dataOffset = bswap(hca->dataOffset);
printf("コーデック: HCA\n");
printf("バージョン: %d.%d\n", _version >> 8, _version & 0xFF);
//if(size<_dataOffset)return false;
if (CheckSum(hca, _dataOffset))printf("※ ヘッダが破損しています。改変してる場合もこの警告が出ます。\n");
}
else {
printf("※ HCAチャンクがありません。再生に必要な情報です。\n");
}
// fmt
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00746D66) {
stFormat *fmt = (stFormat *)s; s += sizeof(stFormat);
_channelCount = fmt->channelCount;
_samplingRate = bswap(fmt->samplingRate << 8);
_blockCount = bswap(fmt->blockCount);
_muteHeader = bswap(fmt->muteHeader);
_muteFooter = bswap(fmt->muteFooter);
switch (_channelCount) {
case 1:printf("チャンネル数: モノラル (1チャンネル)\n"); break;
case 2:printf("チャンネル数: ステレオ (2チャンネル)\n"); break;
default:printf("チャンネル数: %dチャンネル\n", _channelCount); break;
}
if (!(_channelCount >= 1 && _channelCount <= 16)) {
printf("※ チャンネル数の範囲は1～16です。\n");
}
printf("サンプリングレート: %dHz\n", _samplingRate);
if (!(_samplingRate >= 1 && _samplingRate <= 0x7FFFFF)) {
printf("※ サンプリングレートの範囲は1～8388607(0x7FFFFF)です。\n");
}
printf("ブロック数: %d\n", _blockCount);
printf("先頭無音ブロック数: %d\n", (_muteHeader - 0x80) / 0x400);
printf("末尾無音サンプル数: %d\n", _muteFooter);
}
else {
printf("※ fmtチャンクがありません。再生に必要な情報です。\n");
}
// comp
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x706D6F63) {
stCompress *comp = (stCompress *)s; s += sizeof(stCompress);
_blockSize = bswap(comp->blockSize);
_comp_r01 = comp->r01;
_comp_r02 = comp->r02;
_comp_r03 = comp->r03;
_comp_r04 = comp->r04;
_comp_r05 = comp->r05;
_comp_r06 = comp->r06;
_comp_r07 = comp->r07;
_comp_r08 = comp->r08;
unsigned int bps = _samplingRate*_blockSize / 128;
if (bps<1000000)printf("ビットレート: %gkbps CBR (固定ビットレート)\n", bps / 1000.0f);
else printf("ビットレート: %gMbps CBR (固定ビットレート)\n", bps / 1000000.0f);
printf("ブロックサイズ: 0x%X\n", _blockSize);
if (!(_blockSize >= 8 && _blockSize <= 0xFFFF)) {
printf("※ ブロックサイズの範囲は8～65535(0xFFFF)です。v1.3では0でVBRになるようになってましたが、v2.0から廃止されたようです。\n");
}
printf("comp1: %d\n", _comp_r01);
printf("comp2: %d\n", _comp_r02);
if (!(_comp_r01 >= 0 && _comp_r01 <= _comp_r02&&_comp_r02 <= 0x1F)) {
printf("※ comp1とcomp2の範囲は0<=comp1<=comp2<=31です。v2.0現在、comp1は1、comp2は15で固定されています。\n");
}
printf("comp3: %d\n", _comp_r03);
if (!_comp_r03) {
printf("※ comp3は1以上の値です。\n");
}
printf("comp4: %d\n", _comp_r04);
printf("comp5: %d\n", _comp_r05);
printf("comp6: %d\n", _comp_r06);
printf("comp7: %d\n", _comp_r07);
printf("comp8: %d\n", _comp_r08);
}
// dec
else if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00636564) {
stDecode *dec = (stDecode *)s; s += sizeof(stDecode);
_blockSize = bswap(dec->blockSize);
_comp_r01 = dec->r01;
_comp_r02 = dec->r02;
_comp_r03 = dec->r04;
_comp_r04 = dec->r03;
_comp_r05 = dec->count1 + 1;
_comp_r06 = ((dec->enableCount2) ? dec->count2 : dec->count1) + 1;
_comp_r07 = _comp_r05 - _comp_r06;
_comp_r08 = 0;
unsigned int bps = _samplingRate*_blockSize / 128;
if (bps<1000000)printf("ビットレート: %gkbps CBR (固定ビットレート)\n", bps / 1000.0f);
else printf("ビットレート: %gMbps CBR (固定ビットレート)\n", bps / 1000000.0f);
printf("ブロックサイズ: 0x%X\n", _blockSize);
if (!(_blockSize >= 8 && _blockSize <= 0xFFFF)) {
printf("※ ブロックサイズの範囲は8～65535(0xFFFF)です。v1.3では0でVBRになるようになってましたが、v2.0から廃止されたようです。\n");
}
printf("dec1: %d\n", _comp_r01);
printf("dec2: %d\n", _comp_r02);
if (!(_comp_r01 >= 0 && _comp_r01 <= _comp_r02&&_comp_r02 <= 0x1F)) {
printf("※ dec1とdec2の範囲は0<=dec1<=dec2<=31です。v2.0現在、dec1は1、dec2は15で固定されています。\n");
}
printf("dec3: %d\n", _comp_r03);
if (!_comp_r03) {
printf("※ dec3は再生時に1以上の値に修正されます。\n");
}
printf("dec4: %d\n", _comp_r04);
printf("dec5: %d\n", _comp_r05);
printf("dec6: %d\n", _comp_r06);
printf("dec7: %d\n", _comp_r07);
}
else {
printf("※ compチャンクまたはdecチャンクがありません。再生に必要な情報です。\n");
}
// vbr
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00726276) {
stVBR *vbr = (stVBR *)s; s += sizeof(stVBR);
_vbr_r01 = bswap(vbr->r01);
_vbr_r02 = bswap(vbr->r02);
printf("ビットレート: VBR (可変ビットレート) ※v2.0で廃止されています。\n");
if (!(_blockSize == 0)) {
printf("※ compまたはdecチャンクですでにCBRが指定されています。\n");
}
printf("vbr1: %d\n", _vbr_r01);
if (!(_vbr_r01 >= 0 && _vbr_r01 <= 0x1FF)) {
printf("※ vbr1の範囲は0～511(0x1FF)です。\n");
}
printf("vbr2: %d\n", _vbr_r02);
}
else {
_vbr_r01 = 0;
_vbr_r02 = 0;
}
// ath
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00687461) {
stATH *ath = (stATH *)s; s += 6;//s+=sizeof(stATH);
_ath_type = ath->type;
printf("ATHタイプ:%d ※v2.0から廃止されています。\n", _ath_type);
}
else {
if (_version<0x200) {
printf("ATHタイプ:1 ※v2.0から廃止されています。\n");
}
}
// loop
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x706F6F6C) {
stLoop *loop = (stLoop *)s; s += sizeof(stLoop);
_loopStart = bswap(loop->start);
_loopEnd = bswap(loop->end);
_loopCount = bswap(loop->count);
_loop_r01 = bswap(loop->r01);
printf("ループ開始ブロック: %d\n", _loopStart);
printf("ループ終了ブロック: %d\n", _loopEnd);
if (!(_loopStart >= 0 && _loopStart <= _loopEnd&&_loopEnd<_blockCount)) {
printf("※ ループ開始ブロックとループ終了ブロックの範囲は、0<=ループ開始ブロック<=ループ終了ブロック<ブロック数 です。\n");
}
if (_loopCount == 0x80) {
printf("ループ回数: 無限ループ\n");
}
else {
printf("ループ回数: %d回\n", _loopCount);
}
printf("ループ情報1: %d\n", _loop_r01);
}
// ciph
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x68706963) {
stCipher *ciph = (stCipher *)s; s += 6;//s+=sizeof(stCipher);
_ciph_type = bswap(ciph->type);
switch (_ciph_type) {
case 0:printf("暗号化タイプ: なし\n"); break;
case 1:printf("暗号化タイプ: 鍵無し暗号化\n"); break;
case 0x38:printf("暗号化タイプ: 鍵有り暗号化 ※正しい鍵を使わないと出力波形がおかしくなります。\n"); break;
default:printf("暗号化タイプ: %d\n", _ciph_type); break;
}
if (!(_ciph_type == 0 || _ciph_type == 1 || _ciph_type == 0x38)) {
printf("※ この暗号化タイプは、v2.0現在再生できません。\n");
}
}
// rva
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00617672) {
stRVA *rva = (stRVA *)s; s += sizeof(stRVA);
_rva_volume = bswap(rva->volume);
printf("相対ボリューム調節: %g倍\n", _rva_volume);
}
// comm
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x6D6D6F63) {
stComment *comm = (stComment *)s; s += 5;//s+=sizeof(stComment);
_comm_len = comm->len;
_comm_comment = (char *)s;
printf("コメント: %s\n", _comm_comment);
}
delete[] data;
// 閉じる
fclose(fp);
return true;
}
//--------------------------------------------------
// 復号化
//--------------------------------------------------
bool clHCA::Decrypt(const char *filenameHCA) {
// チェック
if (!(filenameHCA))return false;
// HCAファイルを開く
FILE *fp;
if (fopen_s(&fp, filenameHCA, "r+b"))return false;
// ヘッダチェック
stHeader header;
memset(&header, 0, sizeof(header));
fread(&header, sizeof(header), 1, fp);
if (!CheckFile(&header, sizeof(header))) { fclose(fp); return false; }
// ヘッダ解析
header.dataOffset = bswap(header.dataOffset);
unsigned char *data = new unsigned char[header.dataOffset];
if (!data) { fclose(fp); return false; }
fseek(fp, 0, SEEK_SET);
fread(data, header.dataOffset, 1, fp);
unsigned char *s = (unsigned char *)data;
unsigned int size = header.dataOffset;
// サイズチェック
if (size<sizeof(stHeader)) { delete[] data; fclose(fp); return false; }
// HCA
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00414348) {
stHeader *hca = (stHeader *)s; s += sizeof(stHeader);
hca->hca &= 0x7F7F7F7F;
_version = bswap(hca->version);
_dataOffset = bswap(hca->dataOffset);
}
else {
delete[] data; fclose(fp); return false;
}
// fmt
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00746D66) {
stFormat *fmt = (stFormat *)s; s += sizeof(stFormat);
fmt->fmt &= 0x7F7F7F7F;
_samplingRate = bswap(fmt->samplingRate << 8);
_blockCount = bswap(fmt->blockCount);
}
else {
delete[] data; fclose(fp); return false;
}
// comp
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x706D6F63) {
stCompress *comp = (stCompress *)s; s += sizeof(stCompress);
comp->comp &= 0x7F7F7F7F;
_blockSize = bswap(comp->blockSize);
}
// dec
else if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00636564) {
stDecode *dec = (stDecode *)s; s += sizeof(stDecode);
dec->dec &= 0x7F7F7F7F;
_blockSize = bswap(dec->blockSize);
}
else {
delete[] data; fclose(fp); return false;
}
// vbr
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00726276) {
stVBR *vbr = (stVBR *)s; s += sizeof(stVBR);
vbr->vbr &= 0x7F7F7F7F;
}
// ath
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00687461) {
stATH *ath = (stATH *)s; s += 6;//s+=sizeof(stATH);
ath->ath &= 0x7F7F7F7F;
_ath_type = bswap(ath->type);
//ath->type=0;
}
else {
if (_version<0x200)_ath_type = 1;
}
// loop
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x706F6F6C) {
stLoop *loop = (stLoop *)s; s += sizeof(stLoop);
loop->loop &= 0x7F7F7F7F;
}
// ciph
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x68706963) {
stCipher *ciph = (stCipher *)s; s += 6;//s+=sizeof(stCipher);
ciph->ciph &= 0x7F7F7F7F;
_ciph_type = bswap(ciph->type);
ciph->type = 0;
}
// rva
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00617672) {
stRVA *rva = (stRVA *)s; s += sizeof(stRVA);
rva->rva &= 0x7F7F7F7F;
}
// comm
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x6D6D6F63) {
stComment *comm = (stComment *)s; s += 5;//s+=sizeof(stComment);
comm->comm &= 0x7F7F7F7F;
s += comm->len;
}
// pad
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00646170) {
stPadding *pad = (stPadding *)s; s += sizeof(stPadding);
pad->pad &= 0x7F7F7F7F;
}
// 初期化
if (!_ath.Init(_ath_type, _samplingRate)) { delete[] data; fclose(fp); return false; }
if (!_cipher.Init(_ciph_type, _ciph_key1, _ciph_key2)) { delete[] data; fclose(fp); return false; }
unsigned char *data2 = new unsigned char[_blockSize];
if (!data2) { delete[] data; fclose(fp); return false; }
// ヘッダを書き込み
*(unsigned short *)&data[size - 2] = bswap(CheckSum(data, size - 2));
fseek(fp, 0, SEEK_SET);
fwrite(data, size, 1, fp);
delete[] data;
// ブロックデータを復号化
if (_ciph_type != 0) {
for (unsigned int i = 0, a = size; i<_blockCount; i++, a += _blockSize) {
fseek(fp, a, SEEK_SET);
fread(data2, _blockSize, 1, fp);
_cipher.Mask(data2, _blockSize);
*(unsigned short *)&data2[_blockSize - 2] = bswap(CheckSum(data2, _blockSize - 2));
fseek(fp, a, SEEK_SET);
fwrite(data2, _blockSize, 1, fp);
}
}
delete[] data2;
// 閉じる
fclose(fp);
return true;
}
//--------------------------------------------------
// デコードしてWAVEファイルに保存
//--------------------------------------------------
bool clHCA::DecodeToWavefile(const char *filenameHCA, const char *filenameWAV, float volume, int mode, int loop) {
// チェック
if (!(filenameHCA))return false;
// HCAファイルを開く
FILE *fp;
if (fopen_s(&fp, filenameHCA, "rb"))return false;
// 保存
if (!DecodeToWavefileStream(fp, filenameWAV, volume, mode, loop)) { fclose(fp); return false; }
// 閉じる
fclose(fp);
return true;
}
bool clHCA::DecodeToWavefileStream(void *fpHCA, const char *filenameWAV, float volume, int mode, int loop) {
// チェック
if (!(fpHCA&&filenameWAV && (mode == 0 || mode == 8 || mode == 16 || mode == 24 || mode == 32) && loop >= 0))return false;
//
FILE *fp1 = (FILE *)fpHCA;
unsigned int address = ftell(fp1);
// ヘッダチェック
stHeader header;
memset(&header, 0, sizeof(header));
fread(&header, sizeof(header), 1, fp1);
if (!CheckFile(&header, sizeof(header)))return false;
// ヘッダ解析
header.dataOffset = bswap(header.dataOffset);
unsigned char *data1 = new unsigned char[header.dataOffset];
if (!data1) { fclose(fp1); return false; }
fseek(fp1, address, SEEK_SET);
fread(data1, header.dataOffset, 1, fp1);
if (!Decode(data1, header.dataOffset, 0)) { delete[] data1; return false; }
// WAVEファイルを開く
FILE *fp2;
if (fopen_s(&fp2, filenameWAV, "wb")) { delete[] data1; return false; }
// WAVEヘッダを書き込み
struct stWAVEHeader {
char riff[4];
unsigned int riffSize;
char wave[4];
char fmt[4];
unsigned int fmtSize;
unsigned short fmtType;
unsigned short fmtChannelCount;
unsigned int fmtSamplingRate;
unsigned int fmtSamplesPerSec;
unsigned short fmtSamplingSize;
unsigned short fmtBitCount;
}wavRiff = { 'R','I','F','F',0,'W','A','V','E','f','m','t',' ',0x10,0,0,0,0,0,0 };
struct stWAVEsmpl {
char smpl[4];
unsigned int smplSize;
unsigned int manufacturer;
unsigned int product;
unsigned int samplePeriod;
unsigned int MIDIUnityNote;
unsigned int MIDIPitchFraction;
unsigned int SMPTEFormat;
unsigned int SMPTEOffset;
unsigned int sampleLoops;
unsigned int samplerData;
unsigned int loop_Identifier;
unsigned int loop_Type;
unsigned int loop_Start;
unsigned int loop_End;
unsigned int loop_Fraction;
unsigned int loop_PlayCount;
}wavSmpl = { 's','m','p','l',0x3C,0,0,0,0x3C,0,0,0,1,0x18,0,0,0,0,0,0 };
struct stWAVEnote {
char note[4];
unsigned int noteSize;
unsigned int dwName;
}wavNote = { 'n','o','t','e',0,0 };
struct stWAVEdata {
char data[4];
unsigned int dataSize;
}wavData = { 'd','a','t','a',0 };
wavRiff.fmtType = (mode>0) ? 1 : 3;
wavRiff.fmtChannelCount = _channelCount;
wavRiff.fmtBitCount = (mode>0) ? mode : 32;
wavRiff.fmtSamplingRate = _samplingRate;
wavRiff.fmtSamplingSize = wavRiff.fmtBitCount / 8 * wavRiff.fmtChannelCount;
wavRiff.fmtSamplesPerSec = wavRiff.fmtSamplingRate*wavRiff.fmtSamplingSize;
if (_loopFlg) {
wavSmpl.samplePeriod = (unsigned int)(1 / (double)wavRiff.fmtSamplingRate * 1000000000);
wavSmpl.loop_Start = _loopStart * 0x80 * 8 + _muteFooter;//※計算方法不明
wavSmpl.loop_End = (_loopEnd + 1) * 0x80 * 8 - 1;//※計算方法不明
wavSmpl.loop_PlayCount = (_loopCount == 0x80) ? 0 : _loopCount;
}
else if (loop) {
wavSmpl.loop_Start = 0;
wavSmpl.loop_End = (_blockCount + 1) * 0x80 * 8 - 1;//※計算方法不明
_loopStart = 0;
_loopEnd = _blockCount;
}
if (_comm_comment) {
wavNote.noteSize = 4 + _comm_len + 1;
if (wavNote.noteSize & 3)wavNote.noteSize += 4 - (wavNote.noteSize & 3);
}
wavData.dataSize = _blockCount * 0x80 * 8 * wavRiff.fmtSamplingSize + (wavSmpl.loop_End - wavSmpl.loop_Start)*loop;
wavRiff.riffSize = 0x1C + ((_loopFlg && !loop) ? sizeof(wavSmpl) : 0) + (_comm_comment ? 8 + wavNote.noteSize : 0) + sizeof(wavData) + wavData.dataSize;
fwrite(&wavRiff, sizeof(wavRiff), 1, fp2);
if (_loopFlg && !loop)fwrite(&wavSmpl, sizeof(wavSmpl), 1, fp2);
if (_comm_comment) {
int address = ftell(fp2);
fwrite(&wavNote, sizeof(wavNote), 1, fp2);
fputs(_comm_comment, fp2);
fseek(fp2, address + 8 + wavNote.noteSize, SEEK_SET);
}
fwrite(&wavData, sizeof(wavData), 1, fp2);
// 相対ボリュームを調節
_rva_volume *= volume;
// デコード
void *modeFunction = DecodeToWavefile_DecodeMode16bit;
switch (mode) {
case 0:modeFunction = DecodeToWavefile_DecodeModeFloat; break;
case 8:modeFunction = DecodeToWavefile_DecodeMode8bit; break;
case 16:modeFunction = DecodeToWavefile_DecodeMode16bit; break;
case 24:modeFunction = DecodeToWavefile_DecodeMode24bit; break;
case 32:modeFunction = DecodeToWavefile_DecodeMode32bit; break;
}
unsigned char *data2 = new unsigned char[_blockSize];
if (!data2) { delete[] data1; fclose(fp2); return false; }
if (!loop) {
if (!DecodeToWavefile_Decode(fp1, fp2, address + _dataOffset, _blockCount, data2, modeFunction)) { delete[] data2; delete[] data1; fclose(fp2); return false; }
}
else {
unsigned int loopBlockOffset = _dataOffset + _loopStart*_blockSize;
unsigned int loopBlockCount = _loopEnd - _loopStart;
if (!DecodeToWavefile_Decode(fp1, fp2, address + _dataOffset, _loopEnd, data2, modeFunction)) { delete[] data2; delete[] data1; fclose(fp2); return false; }
for (int i = 1; i<loop; i++) {
if (!DecodeToWavefile_Decode(fp1, fp2, address + loopBlockOffset, loopBlockCount, data2, modeFunction)) { delete[] data2; delete[] data1; fclose(fp2); return false; }
}
if (!DecodeToWavefile_Decode(fp1, fp2, address + loopBlockOffset, _blockCount - _loopStart, data2, modeFunction)) { delete[] data2; delete[] data1; fclose(fp2); return false; }
}
delete[] data2;
delete[] data1;
// 閉じる
fclose(fp2);
return true;
}
bool clHCA::DecodeToWavefile_Decode(void *fp1, void *fp2, unsigned int address, unsigned int count, void *data, void *modeFunction) {
float f;
fseek((FILE *)fp1, address, SEEK_SET);
for (unsigned int l = 0; l<count; l++, address += _blockSize) {
fread(data, _blockSize, 1, (FILE *)fp1);
if (!Decode(data, _blockSize, address))return false;
for (int i = 0; i<8; i++) {
for (int j = 0; j<0x80; j++) {
for (unsigned int k = 0; k<_channelCount; k++) {
f = _channel[k].wave[i][j] * _rva_volume;
if (f>1) { f = 1; }
else if (f<-1) { f = -1; }
((void(*)(float, void *))modeFunction)(f, fp2);
}
}
}
}
return true;
}
void clHCA::DecodeToWavefile_DecodeModeFloat(float f, void *fp) { fwrite(&f, sizeof(f), 1, (FILE *)fp); }
void clHCA::DecodeToWavefile_DecodeMode8bit(float f, void *fp) { int v = (int)(f * 0x7F) + 0x80; fwrite(&v, 1, 1, (FILE *)fp); }
void clHCA::DecodeToWavefile_DecodeMode16bit(float f, void *fp) { int v = (int)(f * 0x7FFF); fwrite(&v, 2, 1, (FILE *)fp); }
void clHCA::DecodeToWavefile_DecodeMode24bit(float f, void *fp) { int v = (int)(f * 0x7FFFFF); fwrite(&v, 3, 1, (FILE *)fp); }
void clHCA::DecodeToWavefile_DecodeMode32bit(float f, void *fp) { int v = (int)(f * 0x7FFFFFFF); fwrite(&v, 4, 1, (FILE *)fp); }
//--------------------------------------------------
// エンコードしてHCAファイルに保存
//--------------------------------------------------
/*bool clHCA::EncodeFromWavefile(const char *filenameWAV,const char *filenameHCA,float volume){
// チェック
if(!(filenameWAV))return false;
// WAVファイルを開く
FILE *fp;
if(fopen_s(&fp,filenameWAV,"rb"))return false;
// 保存
if(!EncodeFromWavefileStream(fp,filenameHCA,volume)){fclose(fp);return false;}
// 閉じる
fclose(fp);
return true;
}
bool clHCA::EncodeFromWavefileStream(void *fpWAV,const char *filenameHCA,float volume){
// チェック
if(!(fpWAV&&filenameHCA))return false;
//
FILE *fp1=(FILE *)fpWAV;
unsigned int address=ftell(fp1);
// ヘッダチェック
struct stWAVEHeader{
unsigned int riff;
unsigned int riffSize;
unsigned int wave;
unsigned int fmt;
unsigned int fmtSize;
unsigned short fmtType;
unsigned short fmtChannelCount;
unsigned int fmtSamplingRate;
unsigned int fmtSamplesPerSec;
unsigned short fmtSamplingSize;
unsigned short fmtBitCount;
}header;
memset(&header,0,sizeof(header));
fread(&header,sizeof(header),1,fp1);
if(!(header.riff==0x46464952&&header.wave==0x45564157&&header.fmt==0x20746D66&&(header.fmtType==1||header.fmtType==3)))return false;
//@@@@@@@@@@@@@@@@@@@@@@@
return true;
}*/
//--------------------------------------------------
// ATH
//--------------------------------------------------
clHCA::clATH::clATH() { Init0(); }
bool clHCA::clATH::Init(int type, unsigned int key) {
switch (type) {
case 0:Init0(); break;
case 1:Init1(key); break;
default:return false;
}
return true;
}
unsigned char *clHCA::clATH::GetTable(void) {
return _table;
}
void clHCA::clATH::Init0(void) {
memset(_table, 0, sizeof(_table));
}
void clHCA::clATH::Init1(unsigned int key) {
static unsigned char list[] = {
0x78,0x5F,0x56,0x51,0x4E,0x4C,0x4B,0x49,0x48,0x48,0x47,0x46,0x46,0x45,0x45,0x45,
0x44,0x44,0x44,0x44,0x43,0x43,0x43,0x43,0x43,0x43,0x42,0x42,0x42,0x42,0x42,0x42,
0x42,0x42,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x40,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3E,0x3E,0x3E,0x3E,0x3E,0x3E,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,
0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,
0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,
0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3B,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,0x3C,
0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3D,0x3E,0x3E,0x3E,0x3E,0x3E,0x3E,0x3E,0x3F,
0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,0x3F,
0x3F,0x3F,0x3F,0x3F,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x41,0x41,0x41,0x41,0x41,0x41,0x41,
0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x41,
0x41,0x41,0x41,0x41,0x41,0x41,0x41,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,
0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x43,0x43,0x43,
0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x43,0x44,0x44,
0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x45,0x45,0x45,0x45,
0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x45,0x46,0x46,0x46,0x46,0x46,0x46,0x46,0x46,
0x46,0x46,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x47,0x48,0x48,0x48,0x48,
0x48,0x48,0x48,0x48,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0x49,0x4A,0x4A,0x4A,0x4A,
0x4A,0x4A,0x4A,0x4A,0x4B,0x4B,0x4B,0x4B,0x4B,0x4B,0x4B,0x4C,0x4C,0x4C,0x4C,0x4C,
0x4C,0x4D,0x4D,0x4D,0x4D,0x4D,0x4D,0x4E,0x4E,0x4E,0x4E,0x4E,0x4E,0x4F,0x4F,0x4F,
0x4F,0x4F,0x4F,0x50,0x50,0x50,0x50,0x50,0x51,0x51,0x51,0x51,0x51,0x52,0x52,0x52,
0x52,0x52,0x53,0x53,0x53,0x53,0x54,0x54,0x54,0x54,0x54,0x55,0x55,0x55,0x55,0x56,
0x56,0x56,0x56,0x57,0x57,0x57,0x57,0x57,0x58,0x58,0x58,0x59,0x59,0x59,0x59,0x5A,
0x5A,0x5A,0x5A,0x5B,0x5B,0x5B,0x5B,0x5C,0x5C,0x5C,0x5D,0x5D,0x5D,0x5D,0x5E,0x5E,
0x5E,0x5F,0x5F,0x5F,0x60,0x60,0x60,0x61,0x61,0x61,0x61,0x62,0x62,0x62,0x63,0x63,
0x63,0x64,0x64,0x64,0x65,0x65,0x66,0x66,0x66,0x67,0x67,0x67,0x68,0x68,0x68,0x69,
0x69,0x6A,0x6A,0x6A,0x6B,0x6B,0x6B,0x6C,0x6C,0x6D,0x6D,0x6D,0x6E,0x6E,0x6F,0x6F,
0x70,0x70,0x70,0x71,0x71,0x72,0x72,0x73,0x73,0x73,0x74,0x74,0x75,0x75,0x76,0x76,
0x77,0x77,0x78,0x78,0x78,0x79,0x79,0x7A,0x7A,0x7B,0x7B,0x7C,0x7C,0x7D,0x7D,0x7E,
0x7E,0x7F,0x7F,0x80,0x80,0x81,0x81,0x82,0x83,0x83,0x84,0x84,0x85,0x85,0x86,0x86,
0x87,0x88,0x88,0x89,0x89,0x8A,0x8A,0x8B,0x8C,0x8C,0x8D,0x8D,0x8E,0x8F,0x8F,0x90,
0x90,0x91,0x92,0x92,0x93,0x94,0x94,0x95,0x95,0x96,0x97,0x97,0x98,0x99,0x99,0x9A,
0x9B,0x9B,0x9C,0x9D,0x9D,0x9E,0x9F,0xA0,0xA0,0xA1,0xA2,0xA2,0xA3,0xA4,0xA5,0xA5,
0xA6,0xA7,0xA7,0xA8,0xA9,0xAA,0xAA,0xAB,0xAC,0xAD,0xAE,0xAE,0xAF,0xB0,0xB1,0xB1,
0xB2,0xB3,0xB4,0xB5,0xB6,0xB6,0xB7,0xB8,0xB9,0xBA,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
0xC0,0xC1,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xC9,0xCA,0xCB,0xCC,0xCD,
0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,
0xDE,0xDF,0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xED,0xEE,
0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFF,0xFF,
};
for (unsigned int i = 0, v = 0; i<0x80; i++, v += key) {
unsigned int index = v >> 13;
if (index >= 0x28E) {
memset(&_table[i], 0xFF, 0x80 - i);
break;
}
_table[i] = list[index];
}
}
//--------------------------------------------------
// 暗号化テーブル
//--------------------------------------------------
clHCA::clCipher::clCipher() { Init0(); }
bool clHCA::clCipher::Init(int type, unsigned int key1, unsigned int key2) {
if (!(key1 | key2))type = 0;
switch (type) {
case 0:Init0(); break;
case 1:Init1(); break;
case 56:Init56(key1, key2); break;
default:return false;
}
return true;
}
void clHCA::clCipher::Mask(void *data, int size) {
for (unsigned char *d = (unsigned char *)data; size>0; d++, size--)*d = _table[*d];
}
void clHCA::clCipher::Init0(void) {
for (int i = 0; i<0x100; i++)_table[i] = i;
}
void clHCA::clCipher::Init1(void) {
for (int i = 1, v = 0; i<0xFF; i++) {
v = (v * 13 + 11) & 0xFF;
if (v == 0 || v == 0xFF)v = (v * 13 + 11) & 0xFF;
_table[i] = v;
}
_table[0] = 0;
_table[0xFF] = 0xFF;
}
void clHCA::clCipher::Init56(unsigned int key1, unsigned int key2) {
// テーブル1を生成
unsigned char t1[8];
if (!key1)key2--;
key1--;
for (int i = 0; i<7; i++) {
t1[i] = key1;
key1 = (key1 >> 8) | (key2 << 24);
key2 >>= 8;
}
// テーブル2
unsigned char t2[0x10] = {
t1[1],t1[1] ^ t1[6],
t1[2] ^ t1[3],t1[2],
t1[2] ^ t1[1],t1[3] ^ t1[4],
t1[3],t1[3] ^ t1[2],
t1[4] ^ t1[5],t1[4],
t1[4] ^ t1[3],t1[5] ^ t1[6],
t1[5],t1[5] ^ t1[4],
t1[6] ^ t1[1],t1[6],
};
// テーブル3
unsigned char t3[0x100], t31[0x10], t32[0x10], *t = t3;
Init56_CreateTable(t31, t1[0]);
for (int i = 0; i<0x10; i++) {
Init56_CreateTable(t32, t2[i]);
unsigned char v = t31[i] << 4;
for (int j = 0; j<0x10; j++) {
*(t++) = v | t32[j];
}
}
// CIPHテーブル
t = &_table[1];
for (int i = 0, v = 0; i<0x100; i++) {
v = (v + 0x11) & 0xFF;
unsigned char a = t3[v];
if (a != 0 && a != 0xFF)*(t++) = a;
}
_table[0] = 0;
_table[0xFF] = 0xFF;
}
void clHCA::clCipher::Init56_CreateTable(unsigned char *r, unsigned char key) {
int mul = ((key & 1) << 3) | 5;
int add = (key & 0xE) | 1;
key >>= 4;
for (int i = 0; i<0x10; i++) {
key = (key*mul + add) & 0xF;
*(r++) = key;
}
}
//--------------------------------------------------
// データ
//--------------------------------------------------
clHCA::clData::clData(void *data, int size) :_data((unsigned char *)data), _size(size * 8 - 16), _bit(0) {}
int clHCA::clData::CheckBit(int bitSize) {
int v = 0;
if (_bit + bitSize <= _size) {
static int mask[] = { 0xFFFFFF,0x7FFFFF,0x3FFFFF,0x1FFFFF,0x0FFFFF,0x07FFFF,0x03FFFF,0x01FFFF };
unsigned char *data = &_data[_bit >> 3];
v = data[0]; v = (v << 8) | data[1]; v = (v << 8) | data[2];
v &= mask[_bit & 7];
v >>= 24 - (_bit & 7) - bitSize;
}
return v;
}
int clHCA::clData::GetBit(int bitSize) {
int v = CheckBit(bitSize);
_bit += bitSize;
return v;
}
void clHCA::clData::AddBit(int bitSize) {
_bit += bitSize;
}
//--------------------------------------------------
// デコード
//--------------------------------------------------
bool clHCA::Decode(void *data, unsigned int size, unsigned int address) {
// チェック
if (!(data))return false;
// ヘッダ
if (address == 0) {
unsigned char *s = (unsigned char *)data;
// サイズチェック
if (size<sizeof(stHeader))return false;
// HCA
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00414348) {
stHeader *hca = (stHeader *)s; s += sizeof(stHeader);
_version = bswap(hca->version);
_dataOffset = bswap(hca->dataOffset);
//if(!(_version<=0x200&&_version>0x101))return false; // バージョンチェック(無効)
if (size<_dataOffset)return false;
//if(CheckSum(hca,_dataOffset))return false; // ヘッダの破損チェック(ヘッダ改変を有効にするため破損チェック無効)
}
else {
return false;
}
// fmt
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00746D66) {
stFormat *fmt = (stFormat *)s; s += sizeof(stFormat);
_channelCount = fmt->channelCount;
_samplingRate = bswap(fmt->samplingRate << 8);
_blockCount = bswap(fmt->blockCount);
_muteHeader = bswap(fmt->muteHeader);
_muteFooter = bswap(fmt->muteFooter);
if (!(_channelCount >= 1 && _channelCount <= 16))return false;
if (!(_samplingRate >= 1 && _samplingRate <= 0x7FFFFF))return false;
}
else {
return false;
}
// comp
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x706D6F63) {
stCompress *comp = (stCompress *)s; s += sizeof(stCompress);
_blockSize = bswap(comp->blockSize);
_comp_r01 = comp->r01;
_comp_r02 = comp->r02;
_comp_r03 = comp->r03;
_comp_r04 = comp->r04;
_comp_r05 = comp->r05;
_comp_r06 = comp->r06;
_comp_r07 = comp->r07;
_comp_r08 = comp->r08;
if (!((_blockSize >= 8 && _blockSize <= 0xFFFF) || (_blockSize == 0)))return false;
if (!(_comp_r01 >= 0 && _comp_r01 <= _comp_r02&&_comp_r02 <= 0x1F))return false;
}
// dec
else if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00636564) {
stDecode *dec = (stDecode *)s; s += sizeof(stDecode);
_blockSize = bswap(dec->blockSize);
_comp_r01 = dec->r01;
_comp_r02 = dec->r02;
_comp_r03 = dec->r04;
_comp_r04 = dec->r03;
_comp_r05 = dec->count1 + 1;
_comp_r06 = ((dec->enableCount2) ? dec->count2 : dec->count1) + 1;
_comp_r07 = _comp_r05 - _comp_r06;
_comp_r08 = 0;
if (!((_blockSize >= 8 && _blockSize <= 0xFFFF) || (_blockSize == 0)))return false;
if (!(_comp_r01 >= 0 && _comp_r01 <= _comp_r02&&_comp_r02 <= 0x1F))return false;
if (!_comp_r03)_comp_r03 = 1;
}
else {
return false;
}
// vbr
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00726276) {
stVBR *vbr = (stVBR *)s; s += sizeof(stVBR);
_vbr_r01 = bswap(vbr->r01);
_vbr_r02 = bswap(vbr->r02);
if (!(_blockSize == 0 && _vbr_r01 >= 0 && _vbr_r01 <= 0x1FF))return false;
}
else {
_vbr_r01 = 0;
_vbr_r02 = 0;
}
// ath
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x00687461) {
stATH *ath = (stATH *)s; s += 6;//s+=sizeof(stATH);
_ath_type = ath->type;
}
else {
_ath_type = (_version<0x200) ? 1 : 0;//v1.3ではデフォルト値が1になってたが、v2.0からATHテーブルが廃止されてるみたいなので0に
}
// loop
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x706F6F6C) {
stLoop *loop = (stLoop *)s; s += sizeof(stLoop);
_loopStart = bswap(loop->start);
_loopEnd = bswap(loop->end);
_loopCount = bswap(loop->count);
_loop_r01 = bswap(loop->r01);
_loopFlg = true;
if (!(_loopStart >= 0 && _loopStart <= _loopEnd&&_loopEnd<_blockCount))return false;
}
else {
_loopStart = 0;
_loopEnd = 0;
_loopCount = 0;
_loop_r01 = 0x400;
_loopFlg = false;
}
// ciph
if ((*(unsigned int *)s & 0x7F7F7F7F) == 0x68706963) {
stCipher *ciph = (stCipher *)s; s += 6;//s+=sizeof(stCipher);
_ciph_type = bswap(ciph->type);
if (!(_ciph_type == 0 || _ciph_type == 1 || _ciph_type == 0x38))return false;
}
else {
_ciph_type = 0;
}