module.c

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#include "qt_comp.h"

#undef DECL_COMPONENT

#include "qt_fv.h"

#endif

#ifdef EMU_QTX_API

static uint32_t ret_array[4096];
static int ret_i=0;

static int report_func(void *stack_base, int stack_size, reg386_t *reg, uint32_t *flags)
{
#ifdef DEBUG_QTX_API
  int i;
  int* dptr;
  void* pwrapper=NULL;
  void* pptr=NULL;
  char* pname=NULL;
  int plen=-1;
  // find the code:
  
  dptr=0x62b67ae0;dptr+=2*((reg->eax>>16)&255);
//  printf("FUNC: flag=%d ptr=%p\n",dptr[0],dptr[1]);
  if(dptr[0]&255){
      dptr=dptr[1];dptr+=4*(reg->eax&65535);
//      printf("FUNC: ptr2=%p  eax=%p  edx=%p\n",dptr[1],dptr[0],dptr[2]);
      pwrapper=dptr[1]; pptr=dptr[0]; plen=dptr[2]; 
  } else {
      pwrapper=0x62924910;
      switch(dptr[1]){
      case 0x629248d0:
          dptr=0x62b672c0;dptr+=2*(reg->eax&65535);
//          printf("FUNC: ptr2=%p  eax=%p  edx=%p\n",0x62924910,dptr[0],dptr[1]);
          pptr=dptr[0]; plen=dptr[1]; 
	  break;
      case 0x62924e40:
          dptr=0x62b67c70;dptr+=2*(reg->eax&65535);
//          printf("FUNC: ptr2=%p  eax=%p  edx=%p\n",0x62924910,dptr[0],dptr[1]);
          pptr=dptr[0]; plen=dptr[1]; 
	  break;
      case 0x62924e60:
          dptr=0x62b68108;if(reg->eax&0x8000) dptr+=2*(reg->eax|0xffff0000); else dptr+=2*(reg->eax&65535);
//          printf("FUNC: ptr2=%p  eax=%p  edx=%p\n",0x62924910,dptr[0],dptr[1]);
          pptr=dptr[0]; plen=dptr[1]; 
	  break;
      case 0x62924e80:
          dptr=0x62b68108;if(reg->eax&0x8000) dptr+=2*(reg->eax|0xffff0000); else dptr+=2*(reg->eax&65535);
//          printf("FUNC: ptr2=%p  eax=%p  edx=%p\n",0x62924910,dptr[0],dptr[1]);
          pptr=dptr[0]; plen=dptr[1]; 
	  break;
      default:
          printf("FUNC: unknown ptr & psize!\n");
	  pwrapper=dptr[1];
      }
  }

  for(i=0;qt_fv_list[i].name;i++){
          if(qt_fv_list[i].id==reg->eax){
	      pname=qt_fv_list[i].name;
	      break;
	  }
  }

  printf("FUNC[%X/%s]: wrapper=%p  func=%p  len=%d\n",reg->eax,
      pname?pname:"???",pwrapper,pptr,plen);

  printf("FUNC: caller=%p  ebx=%p\n",((uint32_t *)stack_base)[0],reg->ebx);

  if(pname)
      printf("%*sENTER(%d): %s(",ret_i*2,"",ret_i,pname);
  else
      printf("%*sENTER(%d): %X(",ret_i*2,"",ret_i,reg->eax);
  for (i=0;i<plen/4;i++){
    unsigned int val=((uint32_t *)stack_base)[1+i];
    unsigned char* fcc=&val;
    printf("%s0x%X", i?", ":"",val);
    if(fcc[0]>=0x20 && fcc[0]<128 &&
       fcc[1]>=0x20 && fcc[1]<128 &&
       fcc[2]>=0x20 && fcc[2]<128 &&
       fcc[3]>=0x20 && fcc[3]<128) printf("='%c%c%c%c'",fcc[3],fcc[2],fcc[1],fcc[0]);
    else if(val>=8 && val<65536) printf("=%d",val);
  }
  printf(")\n");
  fflush(stdout);

#endif
  
#if 1
  // emulate some functions:
  switch(reg->eax){
  // memory management:
  case 0x150011: //NewPtrClear
  case 0x150012: //NewPtrSysClear
      reg->eax=(uint32_t)malloc(((uint32_t *)stack_base)[1]);
      memset((void *)reg->eax,0,((uint32_t *)stack_base)[1]);
#ifdef DEBUG_QTX_API
      printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
      return 1;
  case 0x15000F: //NewPtr
  case 0x150010: //NewPtrSys
      reg->eax=(uint32_t)malloc(((uint32_t *)stack_base)[1]);
#ifdef DEBUG_QTX_API
      printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
      return 1;
  case 0x15002f: //DisposePtr
      if(((uint32_t *)stack_base)[1]>=0x60000000)
          printf("WARNING! Invalid Ptr handle!\n");
      else
          free((void *)((uint32_t *)stack_base)[1]);
      reg->eax=0;
#ifdef DEBUG_QTX_API
      printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
      return 1;
  // mutexes:
  case 0x1d0033: //QTMLCreateMutex
      reg->eax=0xdeadbabe;
#ifdef DEBUG_QTX_API
      printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
      return 1;
  case 0x1d0034: //QTMLDestroyMutex
  case 0x1d0035: //QTMLGrabMutex
  case 0x1d0036: //QTMLReturnMutex
  case 0x1d003d: //QTMLTryGrabMutex
      reg->eax=0;
#ifdef DEBUG_QTX_API
      printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
      return 1;
  }
#endif

#if 0
  switch(reg->eax){
//  case 0x00010000:
//      printf("FUNC: ImageCodecInitialize/ImageCodecGetCodecInfo(ci=%p,&icap=%p)\n",((uint32_t *)stack_base)[1],((uint32_t *)stack_base)[4]);
//      break;
  case 0x00010003:
      printf("FUNC: CountComponents(&desc=%p)\n",((uint32_t *)stack_base)[1]);
      break;
  case 0x00010004:
      printf("FUNC: FindNextComponent(prev=%p,&desc=%p)\n",((uint32_t *)stack_base)[1],((uint32_t *)stack_base)[2]);
      break;
  case 0x00010007:
      printf("FUNC: OpenComponent(prev=%p)\n",((uint32_t *)stack_base)[1]);
      break;
  case 0x0003008b:
      printf("FUNC: QTNewGWorldFromPtr(&pts=%p,fourcc=%.4s,&rect=%p,x1=%p,x2=%p,x3=%p,plane=%p,stride=%d)\n",
          ((uint32_t *)stack_base)[1],
          &(((uint32_t *)stack_base)[2]),
          ((uint32_t *)stack_base)[3],
          ((uint32_t *)stack_base)[4],
          ((uint32_t *)stack_base)[5],
          ((uint32_t *)stack_base)[6],
          ((uint32_t *)stack_base)[7],
          ((uint32_t *)stack_base)[8]);
      break;
  case 0x001c0018:
      printf("FUNC: GetGWorldPixMap(gworld=%p)\n",((uint32_t *)stack_base)[1]);
      break;
  case 0x00110001:
      printf("FUNC: Gestalt(fourcc=%.4s, &ret=%p)\n",&(((uint32_t *)stack_base)[1]),((uint32_t *)stack_base)[2]);
      break;
  default: {
      int i;
      for(i=0;qt_fv_list[i].name;i++){
          if(qt_fv_list[i].id==reg->eax){
	      printf("FUNC: %s\n",qt_fv_list[i].name);
	      break;
	  }
      }
      }
  }

  // print stack/reg information 
  printf("ENTER(%d) stack = %d bytes @ %p\n"
	 "eax = 0x%08x edx = 0x%08x ebx = 0x%08x ecx = 0x%08x\n"
	 "esp = 0x%08x ebp = 0x%08x esi = 0x%08x edi = 0x%08x\n"
	 "flags = 0x%08x\n", ret_i,
	 stack_size, stack_base,
	 reg->eax, reg->edx, reg->ebx, reg->ecx,
	 reg->esp, reg->ebp, reg->esi, reg->edi,
	 *flags);
#endif

  // save ret addr:
  ret_array[ret_i]=((uint32_t *)stack_base)[0];
  ++ret_i;

#if 0
  // print first 7 longs in the stack (return address, arg[1], arg[2] ... ) 
  printf("stack[] = { ");
  for (i=0;i<7;i++) {
    printf("%08x ", ((uint32_t *)stack_base)[i]);
  }
  printf("}\n\n");
#endif
  
//  // mess with function parameters 
//  ((uint32_t *)stack_base)[1] = 0x66554433;

//  // mess with return address...
//  reg->eax = 0x11223344;
    return 0;
}

static int report_func_ret(void *stack_base, int stack_size, reg386_t *reg, uint32_t *flags)
{
  //int i;
  short err;

  // restore ret addr:
  --ret_i;
  ((uint32_t *)stack_base)[0]=ret_array[ret_i];

#ifdef DEBUG_QTX_API

#if 1
  printf("%*sLEAVE(%d): 0x%X",ret_i*2,"",ret_i, reg->eax);
  err=reg->eax;
  if(err && (reg->eax>>16)==0) printf(" = %d",err);
  printf("\n");
  fflush(stdout);
#else
  // print stack/reg information 
  printf("LEAVE(%d) stack = %d bytes @ %p\n"
	 "eax = 0x%08x edx = 0x%08x ebx = 0x%08x ecx = 0x%08x\n"
	 "esp = 0x%08x ebp = 0x%08x esi = 0x%08x edi = 0x%08x\n"
	 "flags = 0x%08x\n", ret_i,
	 stack_size, stack_base,
	 reg->eax, reg->edx, reg->ebx, reg->ecx,
	 reg->esp, reg->ebp, reg->esi, reg->edi,
	 *flags);
#endif

#if 0
  // print first 7 longs in the stack (return address, arg[1], arg[2] ... ) 
  printf("stack[] = { ");
  for (i=0;i<7;i++) {
    printf("%08x ", ((uint32_t *)stack_base)[i]);
  }
  printf("}\n\n");
#endif

#endif
  
//  // mess with function parameters 
//  ((uint32_t *)stack_base)[1] = 0x66554433;

//  // mess with return address...
//  reg->eax = 0x11223344;
    return 0;
}

#endif

/***********************************************************************
 *           MODULE_GetProcAddress   		(internal)
 */
FARPROC MODULE_GetProcAddress(
	HMODULE hModule, 	/* [in] current module handle */
	LPCSTR function,	/* [in] function to be looked up */
	WIN_BOOL snoop )
{
    WINE_MODREF	*wm = MODULE32_LookupHMODULE( hModule );
//    WINE_MODREF *wm=local_wm;
    FARPROC	retproc;

#ifdef DEBUG_QTX_API
    if (HIWORD(function))
	fprintf(stderr,"XXX GetProcAddress(%08lx,%s)\n",(DWORD)hModule,function);
    else
	fprintf(stderr,"XXX GetProcAddress(%08lx,%p)\n",(DWORD)hModule,function);
#endif

//	TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
//    else
//	TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);

    if (!wm) {
    	SetLastError(ERROR_INVALID_HANDLE);
        return (FARPROC)0;
    }
    switch (wm->type)
    {
    case MODULE32_PE:
     	retproc = PE_FindExportedFunction( wm, function, snoop );
	if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
	break;
#ifdef HAVE_LIBDL
    case MODULE32_ELF:
	retproc = (FARPROC) dlsym( (void*) wm->module, function);
	if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
	return retproc;
#endif
    default:
    	ERR("wine_modref type %d not handled.\n",wm->type);
    	SetLastError(ERROR_INVALID_HANDLE);
    	return (FARPROC)0;
    }

#ifdef EMU_QTX_API
    if (HIWORD(function) && retproc){

#ifdef DEBUG_QTX_API
#define DECL_COMPONENT(sname,name,type) \
    if(!strcmp(function,name)){ \
	fprintf(stderr,name "dispatcher catched -> %p\n",retproc); \
	real_ ## sname = retproc; retproc = fake_ ## sname; \
    }
#include "qt_comp.h"
#undef DECL_COMPONENT
#endif

    if(!strcmp(function,"theQuickTimeDispatcher")
//      || !strcmp(function,"_CallComponentFunctionWithStorage")
//      || !strcmp(function,"_CallComponent")
      ){
	fprintf(stderr,"theQuickTimeDispatcher catched -> %p\n",retproc);
      report_entry = report_func;
      report_ret   = report_func_ret;
      wrapper_target=(void(*)(void))retproc;
      retproc=(FARPROC)wrapper;
    }

    }
#endif

    return retproc;
}

static int acounter = 0;
void CodecAlloc(void)
{
    acounter++;
    //printf("**************CODEC ALLOC %d\n", acounter);
}

void CodecRelease(void)
{
    acounter--;
    //printf("**************CODEC RELEASE %d\n", acounter);
    if (acounter == 0)
    {
	for (;;)
	{
	    modref_list* list = local_wm;
	    if (!local_wm)
		break;
	    //printf("CODECRELEASE %p\n", list);
            MODULE_FreeLibrary(list->wm);
	    MODULE_RemoveFromList(list->wm);
            if (local_wm == NULL)
		my_garbagecollection();
	}
    }
}