603 lines
12 KiB
C++
603 lines
12 KiB
C++
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#include "main.h"
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#include <intsafe.h>
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//#define HUNT_LEAKS
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#ifdef MF_USE_DMCRAP
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extern IDirectMusicCollection *pCDLS;
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#endif
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#ifdef HUNT_LEAKS
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static UINT n_files;
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#endif
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MIDI_file::MIDI_file(const char * fn) : path(fn)
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{
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flags=0;
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format=0;
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len=0;tix=0;
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size=0;
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data=0;
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#ifdef MF_USE_DMCRAP
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pSeg=0;
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pDLS=0;
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pDLSdata=0;
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DLSsize=0;
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#endif
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info.fmt=info.ntrax=info.tix=0;
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info.channels=0;
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info.e_type=0;
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loopstart=0;loopend=0;
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loopstart_t=0;
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rmi_data=0;
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rmi_size=0;
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bmp_data=0;
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bmp_size=0;
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kar_track=0;
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tmap=0;
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smap=0;
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#ifdef HUNT_LEAKS
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n_files++;
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#endif
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refcount=1;
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info.traxnames=0;
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}
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#ifdef MF_USE_DMCRAP
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extern IDirectMusicCollection *pCDLS;
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extern IDirectMusicLoader* pLoader;
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#endif
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static bool is_gmd(const BYTE* b,size_t s)
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{
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return s>12 && *(DWORD*)b==_rv('MIDI') && *(DWORD*)(b+8)==_rv('MDpg');
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}
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static bool is_hmi(const BYTE* b,size_t s)
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{
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return s>12 && *(DWORD*)b==_rv('HMI-') && *(DWORD*)(b+4)==_rv('MIDI') && *(DWORD*)(b+8)==_rv('SONG');
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}
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static bool is_hmp(const BYTE* b,size_t s)
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{
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if (s>8 && ((DWORD*)b)[0]==_rv('HMIM') && (((DWORD*)b)[1]==_rv('IDIP') || ((DWORD*)b)[1]==_rv('IDIR')) )
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{
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//DWORD d=*(DWORD*)(b+0x30);
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//return (d<0x40 && d);
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return 1;
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}
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else return 0;
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}
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static bool is_xmidi(const BYTE* b,size_t s)
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{
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return s>0x20 && *(DWORD*)b==_rv('FORM') && *(DWORD*)(b+8)==_rv('XDIR') && *(DWORD*)(b+0x1e)==_rv('XMID');
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}
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static bool is_rmi(const BYTE* b,size_t s)
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{
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return s>20+8+6+8 && *(DWORD*)b==_rv('RIFF') && *(DWORD*)(b+8)==_rv('RMID') && *(DWORD*)(b+12)==_rv('data');
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}
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static bool is_midi(const BYTE* b,size_t s)
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{
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return s>8+6+8 && *(DWORD*)b==_rv('MThd') && *(DWORD*)(b+4)==0x06000000 && *(DWORD*)(b+14)==_rv('MTrk');
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}
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static bool is_midi_scan(const BYTE* b,size_t s)
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{
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int x,m=s;
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if (m>256) m=256;
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m-=8+6+8;
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for(x=0;x<m;x++)
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if (is_midi(b+x,s-x)) return 1;
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return 0;
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}
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#define REM (unsigned int)(sz-ptr)
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static bool load_midi_fix(MIDI_file* mf,const BYTE* buf,size_t sz,int n_track,size_t p_ofs)
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{
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if (!cfg_recover_tracks)
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return 0;
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size_t malloc_sz;
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if (SizeTAdd(sz, 0x10, &malloc_sz) != S_OK)
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return false;
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BYTE* outbuf=(BYTE*)malloc(malloc_sz);
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if (!outbuf) return 0;
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size_t ptr=p_ofs;
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size_t bp=ptr;
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BYTE lc=0;
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while(1)
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{
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bp=ptr;
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if (REM<4) break;
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while(buf[ptr]&0x80)
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{
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if (ptr==bp+4) break;
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ptr++;
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}
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ptr++;
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if (REM<3) break;
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BYTE b=buf[ptr];
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if (b==0xFF)
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{
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ptr+=2;
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if (REM<4) break;
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unsigned int d;
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unsigned int l=DecodeDelta(buf+ptr,&d, sz-ptr);
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if (l+d>REM) break;
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ptr+=l+d;
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}
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else if (b==0xF0)
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{
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ptr++;
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if (REM<4) break;
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unsigned int d;
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unsigned int l=DecodeDelta(buf+ptr,&d, sz-ptr);
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if (l+d>REM) break;
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ptr+=l+d;
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}
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else
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{
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if (b&0x80)
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{
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lc=b&0xF0;
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if (lc==0xF0) break;
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ptr++;
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}
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else if (!lc) break;
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if (lc==0xC0 || lc==0xD0) ptr++;
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else ptr+=2;
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}
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}
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memcpy(outbuf,buf,ptr);
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ptr=bp;
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outbuf[ptr++]=0;
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outbuf[ptr++]=0xFF;
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outbuf[ptr++]=0x2F;
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outbuf[ptr++]=0;
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*(DWORD*)(outbuf+p_ofs-4)=rev32(ptr-p_ofs);
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mf->data=outbuf;
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mf->size=ptr;
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return 1;
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}
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#undef REM
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static bool load_midi(MIDI_file* mf,const BYTE* buf,size_t sz)
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{
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int trax=rev16(*(WORD*)(buf+4+4+2));
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size_t ofs=6+8;
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int n;
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for(n=0;n<trax;n++)
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{
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if (ofs>(sz-12) || *(DWORD*)(buf+ofs)!=_rv('MTrk'))
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{
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mf->flags|=FLAG_INCOMPLETE;
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*(WORD*)(buf+4+4+2)=rev16(n);
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sz=ofs;
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break;
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}
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if (SizeTAdd(ofs, 8, &ofs) != S_OK)
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return false;
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size_t p_ofs=ofs;
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DWORD next = rev32(*(DWORD*)(buf+ofs-4));
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if (SizeTAdd(ofs, next, &ofs) != S_OK)
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return false;
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if (ofs>sz)
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{
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mf->flags|=FLAG_INCOMPLETE;
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*(WORD*)(buf+4+4+2)=rev16(n+1);
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if (!load_midi_fix(mf,buf,sz,n,p_ofs))
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{
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*(WORD*)(buf+4+4+2)=rev16(n);
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sz=p_ofs-8;
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break;
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}
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else return 1;
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}
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}
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BYTE * out = (BYTE*)malloc(sz);
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if (!out)
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return 0;
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memcpy(out,buf,sz);
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mf->data=out;
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mf->size=sz;
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return 1;
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}
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static bool load_gmd(MIDI_file* mf,const BYTE* buf,size_t sz)
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{
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if (sz<=0x10) return 0;
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DWORD s=rev32(*(DWORD*)(buf+4));
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if ((sz-8)<s) return 0;
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DWORD ofs=rev32(*(DWORD*)(buf+12))+0x10;
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s-=ofs;
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BYTE * out=(BYTE*)malloc(s);
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if (!out) return 0;
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mf->size=s;
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memcpy(out,buf+ofs,s);
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mf->data=out;
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return 1;
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}
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#ifdef MF_USE_DMCRAP
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void ReleaseObject(IUnknown* o);
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#endif
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static bool load_rmi(MIDI_file* mf,const BYTE* source,size_t source_size)
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{
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if (source_size < 8)
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return 0;
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unsigned int sx=*(DWORD*)(source+4);
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size_t _p=0;
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BYTE * out;
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if (sx>source_size-8) goto _er;
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mf->size=*(DWORD*)(source+16);
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if (mf->size+20>source_size) goto _er;
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out=(BYTE*)malloc(mf->size);
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if (!out) goto _er;
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memcpy(out,source+20,mf->size);
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mf->data = out;
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_p=20+mf->size;
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if (_p&1) _p++;
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while(_p<source_size)
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{
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if (! mf->bmp_data && *(DWORD*)(source+_p)==_rv('DISP') && *(DWORD*)(source+_p+8)==8)//bitmap
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{
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DWORD s=*(DWORD*)(source+_p+4)-4;
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void * r=malloc(s);
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if (r)
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{
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memcpy(r,source+_p+12,s);
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mf->bmp_size=s;
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mf->bmp_data=r;
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}
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}
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else if (! mf->title && *(DWORD*)(source+_p)==_rv('DISP') && *(DWORD*)(source+_p+8)==1)
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{
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DWORD s=*(DWORD*)(source+_p+4)-4;
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char * src=(char*)(source+_p+12); //remove eol's
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char * dst=mf->title.buffer_get(s+1);
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char * src_b=src;
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while(src && *src && (UINT)(src-src_b)<s)
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{
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if (*src!=10 && *src!=13) *(dst++)=*src;
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src++;
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}
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*dst=0;
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mf->title.buffer_done();
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}
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else if (! mf->rmi_data && *(DWORD*)(source+_p)==_rv('LIST') && *(DWORD*)(source+_p+8)==_rv('INFO'))
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{
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DWORD s=*(DWORD*)(source+_p+4);
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void * r=malloc(s);
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if (r)
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{
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memcpy(r,source+_p+8,s);
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mf->rmi_size=s;
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mf->rmi_data=r;
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}
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}
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#ifdef MF_USE_DMCRAP
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else if (!mf->pDLSdata && *(DWORD*)(source+_p)==_rv('RIFF') && *(DWORD*)(source+_p+8)==_rv('DLS '))
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{
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int rs=*(long*)(source+_p+4)+8;
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if (rs+_p>source_size) break;
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mf->DLSsize=rs;
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mf->pDLSdata=(BYTE*)malloc(rs);
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memcpy(mf->pDLSdata,source+_p,rs);
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}
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#endif
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_p+=*(DWORD*)(source+_p+4)+8;
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if (_p&1) _p++;
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}
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return 1;
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_er:
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return 0;
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}
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bool load_xmi(MIDI_file* mf,const BYTE*,size_t);
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bool load_hmp(MIDI_file* mf,const BYTE*,size_t);
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bool load_hmi(MIDI_file* mf,const BYTE*,size_t);
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bool load_mus(MIDI_file* mf,const BYTE*,size_t);
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bool load_cmf(MIDI_file* mf,const BYTE*,size_t);
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bool load_mids(MIDI_file* mf,const BYTE*,size_t);
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bool load_gmf(MIDI_file* mf,const BYTE*,size_t);
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bool is_mus(const BYTE*,size_t);
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bool is_cmf(const BYTE*,size_t);
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bool is_mids(const BYTE*,size_t);
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bool is_gmf(const BYTE*,size_t);
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static bool load_midi_scan(MIDI_file* mf,const BYTE* ptr,size_t size)
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{
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int max = size-3;
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if (max>256) max=256;
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int x;
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for(x=0;x<256;x++)
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{
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if (*(DWORD*)(ptr+x)==_rv('MThd') && *(DWORD*)(ptr+x+4)==_rv(6))
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{
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size-=x;
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ptr+=x;
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void * buf=malloc(size);
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if (!buf) return 0;
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memcpy(buf,ptr,size);
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bool r=load_midi(mf,(BYTE*)buf,size);
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if (!r) free(buf);
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return r;
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}
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}
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return 0;
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}
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struct
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{
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bool ( * test ) (const BYTE* b,size_t s);
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bool ( * load ) (MIDI_file* mf,const BYTE* ptr,size_t size);
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} format_list[] =
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{
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{is_midi,load_midi},
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{is_rmi,load_rmi},
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{is_hmp,load_hmp},
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{is_hmi,load_hmi},
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{is_xmidi,load_xmi},
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{is_mus,load_mus},
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{is_cmf,load_cmf},
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{is_gmd,load_gmd},
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{is_mids,load_mids},
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{is_gmf,load_gmf},
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{is_midi_scan,load_midi_scan}
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};
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//static fmtfunc fmts[]={is_midi,is_rmi,is_hmp,is_hmi,is_xmidi,is_mus,is_cmf,is_gmd,is_mids,is_gmf,is_midi_scan};
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//loadfunc loaders[]={load_midi,load_rmi,load_hmp,load_hmi,load_xmi,load_mus,load_cmf,load_gmd,load_mids,load_gmf,load_midi_scan};
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#ifdef MF_USE_DMCRAP
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void LoadDLS(MIDI_file* mf)
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{
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if (mf->pDLSdata && ! mf->pDLS)
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{
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DMUS_OBJECTDESC ObjDesc;
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ZeroMemory(&ObjDesc,sizeof(ObjDesc));
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ObjDesc.dwSize = sizeof(DMUS_OBJECTDESC);
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ObjDesc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_MEMORY;
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ObjDesc.llMemLength = mf->DLSsize;
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ObjDesc.pbMemData = mf->pDLSdata;
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ObjDesc.guidClass = CLSID_DirectMusicCollection;
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pLoader->GetObject(&ObjDesc,IID_IDirectMusicCollection,(void**)&mf->pDLS);
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if (mf->pDLS)
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{
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ReleaseObject(mf->pDLS);
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}
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}
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}
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void _LoadSegment(MIDI_file* mf)
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{
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#ifdef USE_LOG
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log_write("_LoadSegment()");
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#endif
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mf->pSeg=0;
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int data_size=0;
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void * data_ptr=0;
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if (
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!DoCleanUp(mf,CLEAN_DM|CLEAN_DLS|(cfg_nosysex ? CLEAN_NOSYSEX : 0),&data_ptr,&data_size)
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)
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return;
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IDirectMusicSegment* pSeg=0;
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DMUS_OBJECTDESC ObjDesc;
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ZeroMemory(&ObjDesc,sizeof(ObjDesc));
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ObjDesc.dwSize=sizeof(ObjDesc);
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ObjDesc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_MEMORY;
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ObjDesc.llMemLength = data_size;
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ObjDesc.pbMemData = (BYTE*)data_ptr;
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ObjDesc.guidClass=CLSID_DirectMusicSegment;
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#ifdef USE_LOG
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log_write("pLoader->EnableCache(GUID_DirectMusicAllTypes,1);");
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#endif
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pLoader->EnableCache(GUID_DirectMusicAllTypes,1);
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// pLoader->ClearCache(CLSID_DirectMusicSegment); //%$%&%@! this->sucks = TRUE
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#ifdef USE_LOG
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log_write("pLoader->GetObject(&ObjDesc,IID_IDirectMusicSegment,(void**)&pSeg);");
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#endif
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pLoader->GetObject(&ObjDesc,IID_IDirectMusicSegment,(void**)&pSeg);
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if (!pSeg)
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{
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#ifdef USE_LOG
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log_write("attempting memdump");
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#endif
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char tmpf[MAX_PATH] = {0};
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get_temp_file(tmpf);
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HANDLE f=CreateFileA(tmpf,GENERIC_WRITE,0,0,CREATE_ALWAYS,0,0);
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if (f!=INVALID_HANDLE_VALUE)
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{
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DWORD bw = 0;
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WriteFile(f,data_ptr,data_size,&bw,0);
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CloseHandle(f);
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mbstowcs(ObjDesc.wszFileName,tmpf,MAX_PATH);
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ObjDesc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FULLPATH | DMUS_OBJ_FILENAME;
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pLoader->GetObject(&ObjDesc,IID_IDirectMusicSegment,(void**)&pSeg);
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DeleteFileA(tmpf);
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}
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}
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if (pSeg)
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{
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#ifdef USE_LOG
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log_write("got IDirectMusicSegment");
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log_write("pSeg->SetParam(GUID_StandardMIDIFile,-1,0,0,0);");
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#endif
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pSeg->SetParam(GUID_StandardMIDIFile,-1,0,0,0);
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#ifdef USE_LOG
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log_write("pSeg->SetStartPoint(0);");
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#endif
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pSeg->SetStartPoint(0);
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#ifdef USE_LOG
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log_write("pSeg->SetLength();");
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#endif
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{
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bool ok=0;
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if (cfg_eof_delay)
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{
|
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MUSIC_TIME mnt;
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DMUS_TEMPO_PARAM tp;
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if (SUCCEEDED(pSeg->GetParam(GUID_TempoParam,-1,0,mf->tix,&mnt,&tp)))
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{
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pSeg->SetLength((MUSIC_TIME)(mf->tix+(double)cfg_eof_delay*78.0/tp.dblTempo));
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ok=1;
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}
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}
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if (!ok) pSeg->SetLength(mf->tix);
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}
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mf->pSeg=pSeg;
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LoadDLS(mf);
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if (pCDLS) pSeg->SetParam(GUID_ConnectToDLSCollection,0xFFFFFFFF,0,0,(void*)pCDLS);
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if (mf->pDLS) pSeg->SetParam(GUID_ConnectToDLSCollection,0xFFFFFFFF,0,0,(void*)mf->pDLS);
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if (mf->loopstart)
|
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{
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pSeg->SetLoopPoints(mf->loopstart,mf->loopend);
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}
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}
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free(data_ptr);
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pLoader->EnableCache(GUID_DirectMusicAllTypes,0);
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}
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IDirectMusicSegment* LoadSegment(MIDI_file* mf)
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{
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#ifdef USE_LOG
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log_write("LoadSegment()");
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#endif
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if (!pLoader) return 0;
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IDirectMusicSegment* pSeg=0;
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if (!mf->pSeg) _LoadSegment(mf);
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if (mf->pSeg)
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{
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#ifdef USE_LOG
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log_write("LoadSegment() : got IDirectMusicSegment");
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#endif
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pSeg=mf->pSeg;
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#ifdef USE_LOG
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log_write("pSeg->AddRef()");
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#endif
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pSeg->AddRef();
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#ifdef USE_LOG
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log_write("pSeg->AddRef() returned");
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#endif
|
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}
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||
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#ifdef USE_LOG
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||
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log_write("LoadSegment() returning");
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||
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#endif
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return pSeg;
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}
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#endif
|
||
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||
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MIDI_file::~MIDI_file()
|
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{
|
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#ifdef MF_USE_DMCRAP
|
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|
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if (pSeg) pSeg->Release();
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if (pDLS) pDLS->Release();
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if (pDLSdata) free(pDLSdata);
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#endif
|
||
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if (data) free((BYTE*)data);
|
||
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if (tmap) delete tmap;
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if (smap) delete smap;
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||
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if (info.traxnames) delete[] info.traxnames;
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if (rmi_data) free(rmi_data);
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if (bmp_data) free(bmp_data);
|
||
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#ifdef HUNT_LEAKS
|
||
|
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n_files--;
|
||
|
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#endif
|
||
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}
|
||
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|
||
|
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bool GetMidiInfo(MIDI_file*);
|
||
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|
||
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static bool try_format(const void * data,int size,int idx)
|
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|
|
{
|
||
|
|
bool rv;
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||
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try {
|
||
|
|
rv = format_list[idx].test((const BYTE*)data,size);
|
||
|
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} catch(...)
|
||
|
|
{
|
||
|
|
rv = 0;
|
||
|
|
}
|
||
|
|
return rv;
|
||
|
|
}
|
||
|
|
|
||
|
|
int MIDI_file::HeaderTest(const void * data,int size)
|
||
|
|
{
|
||
|
|
int n;
|
||
|
|
for(n=0;n<tabsize(format_list);n++)
|
||
|
|
{
|
||
|
|
if (try_format(data,size,n)) return 1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
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|
||
|
|
int MIDI_file::Load(const void * data,int size)
|
||
|
|
{
|
||
|
|
#ifdef USE_LOG
|
||
|
|
log_write("Load()");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
{
|
||
|
|
int n;
|
||
|
|
int fmt=-1;
|
||
|
|
for(n=0;n<tabsize(format_list);n++)
|
||
|
|
{
|
||
|
|
if (try_format(data,size,n)) {fmt=n;break;}
|
||
|
|
}
|
||
|
|
if (fmt==-1) return 0;
|
||
|
|
format = fmt;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
{
|
||
|
|
bool r;
|
||
|
|
try {
|
||
|
|
r=format_list[format].load(this,(const BYTE*)data,size);
|
||
|
|
} catch(...) {
|
||
|
|
#ifdef USE_LOG
|
||
|
|
log_write("midi loader crashed");
|
||
|
|
#endif
|
||
|
|
r=0;
|
||
|
|
}
|
||
|
|
if (!r) return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return GetMidiInfo(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
MIDI_file* MIDI_file::Create(const char* fn,const void * data, size_t size)
|
||
|
|
{
|
||
|
|
MIDI_file* mf=new MIDI_file(fn);
|
||
|
|
if (!mf->Load(data,size))
|
||
|
|
{
|
||
|
|
delete mf;
|
||
|
|
mf=0;
|
||
|
|
}
|
||
|
|
return mf;
|
||
|
|
}
|