VGMTool Code

#include <windows.h>
#include <stdio.h>
#include <zlib.h>
#include "fileinfo.h"
#include "vgm.h"
#include "gd3.h"
#include "common.h"
#include "wa_ipc.h"
#include "in2.h"
#include "resource.h"

extern In_Module mod;
// Ought to move these "globals" into a struct or something, just to make it less icky
extern char *TempHTMLFile;
extern char *CurrentURL;
extern char *CurrentURLFilename;
extern char *FilenameForInfoDlg;
extern int UseMB,MLJapanese, MLType, LoopForever, MLShowFM, NumLoops, PlaybackRate, FileInfoJapanese;


// forward declarations
int LoadInfo(char *filename, struct TFileTagInfo *fileinfo);

//-----------------------------------------------------------------
// Returns a formatted string for the file's length
// Doesn't scale it using the playback rate
//-----------------------------------------------------------------
char *FormatLength( char *buffer, struct TFileTagInfo *fileinfo )
{
	char temp[1024];

	PrintTime(buffer, fileinfo->tracklength / 1000.0 ); // total length
	if ( fileinfo->looplength > 0 )
	{
		// file has a loop
		if ( fileinfo->tracklength - fileinfo->looplength > 500 )
		{
			// intro > 500ms
			strcat( buffer, " (" );
			strcat( buffer, PrintTime( temp, ( fileinfo->tracklength - fileinfo->looplength ) / 1000.0 ) );
			strcat( buffer, " intro and " );
			strcat( buffer, PrintTime( temp, fileinfo->looplength / 1000.0 ) );
			strcat( buffer, " loop)" );
		}
		else
		{
			// small or no intro
			strcat( buffer, " (looped)" );
		}
	}
	else
	{
		strcat( buffer, " (no loop)" );
	}

	return buffer;
}

//-----------------------------------------------------------------
// Show GD3 info as HTML
//-----------------------------------------------------------------
void InfoInBrowser(char *filename, int UseMB, int ForceOpen) {
  FILE *f;
	char *packname = NULL;
  int i, j;
  char *url;
  char tempstr[1024]; // used for inline printf()s
  const char What[10][32]={
    "Track Title", "",
    "Game Name", "",
    "System Name", "",
    "Track Author", "",
    "Game Release Date", "VGM Creator"
  };
	struct TFileTagInfo fileinfo;

	memset( &fileinfo, 0, sizeof(struct TFileTagInfo) );
	if ( LoadInfo( filename, &fileinfo ) )
	{
		f = fopen(TempHTMLFile,"w"); // open temp HTML file for writing
		if ( f )
		{
			// Put start text
			fprintf(f,
				#include "htmlbefore.txt"
			);

			// Add length row
			fprintf( f, "<tr><td class=what>Length</td><td colspan=2 class=is>%s</td></tr>", FormatLength( tempstr, &fileinfo ) );

			// Add file size row
			fprintf( f, "<tr><td class=what>Size</td><td class=is colspan=2>%d bytes (%.2f bps)</td></tr>",
				fileinfo.filesize,
				fileinfo.bitrate
			);


			// first 8 strings are alternating English/Japanese
			for ( i = GD3_TITLEEN; i <= GD3_AUTHORJP; ++i ) {
				if ( i % 2 - 1 ) // odd number: add row title
					fprintf( f, "<tr><td class=what>%s</td><td class=is>", What[i] );

				if ( *(fileinfo.tags[i]) )
				{
					// string is not blank
					for ( j = 0; *(fileinfo.tags[i] + j); j++ )
						// write each character as a NCR
						fprintf( f, "&#%d;", *(fileinfo.tags[i] + j) );
				}
				else
					// put a NBSP for blanks to make the cell fill out properly
					fprintf( f, "&nbsp;");

				if ( i % 2 ) // even number: end row
					fprintf( f, "</td></tr>" );
				else         // odd number: continue row
					fprintf( f, "</td><td class=is>" );

			}
			// Strings 8 to 10 have rows to themselves
			for ( i = GD3_DATE; i < GD3_NOTES; ++i ) {
				fprintf( f, "<tr><td class=what>%s</td><td colspan=2 class=is>", What[i] );
				if ( *(fileinfo.tags[i]) ) // string is not blank
					for ( j = 0; *(fileinfo.tags[i] + j); j++ )
						fprintf( f, "&#%d;", *(fileinfo.tags[i] + j) );
				else
					fprintf( f, "&nbsp;" );

				fprintf(f, "</td></tr>" );
			}
			if ( *(fileinfo.tags[GD3_NOTES]) )
			{
				// Notes (10th string) need some processing of line breaks
				fprintf(f, "<tr><td class=what>Notes</td><td colspan=2 class=is>" );
				
				for ( j = 0; *(fileinfo.tags[GD3_NOTES] + j); ++j ) {
					if (*(fileinfo.tags[GD3_NOTES] + j) == '\n')
						fprintf( f, "<br>" );
					else
						fprintf( f, "&#%d;", *(fileinfo.tags[GD3_NOTES] + j) );
				}
				// End of strings
				fprintf( f, "</td></tr>" );
			}

			// Try for the pack readme
			{
				char *p;
				FILE *freadme;
				char *buffer;
				char *readme;
				BOOL success = FALSE;

				readme = malloc( strlen( filename ) + 16 ); // plenty of space in all weird cases

				if( readme )
				{
					p = strrchr( filename, '\\' ); // p points to the last \ in the filename
					if ( p )
					{
						while( !success ) {
							p = strstr( p, " - " ); // find first " - " after current position of p
							if ( p ) {
								strncpy( readme, filename, p - filename ); // copy filename up until the " - "
								strcpy( readme + ( p - filename ), ".txt" ); // terminate it with a ".txt\0"

								freadme = fopen( readme, "r" ); // try to open file
								if ( freadme ) {
									// save pack name for later use
									packname = malloc( strlen( readme ) );
									if ( packname ) {
										strncpy( packname, readme, strlen( readme ) - 4 );
										packname[ strlen( readme ) - 4 ] = '\0';
									}

									success = TRUE;
									fprintf( f, "<tr><td class=what>Pack readme</td><td class=is colspan=2><textarea id=readme cols=50 rows=20 readonly>");
									buffer = malloc( 1024 );
									while ( fgets( buffer, 1024, freadme ) )
										fputs( buffer, f );
									free( buffer );
									fprintf( f, "</textarea></td></tr>" );
									fclose( freadme );
								}
								p++; // make it not find this " - " next iteration
							} else break;
						}
					}
					free(readme);
				}
			}

			// Try for image
			if ( packname ) {
				FILE *fimage;
				char *imagefile = malloc( strlen( packname ) + 10 );
				BOOL foundit = FALSE;

				sprintf( imagefile, "%s.png", packname );
				if ( fimage = fopen( imagefile, "r" ) )
					foundit = TRUE;
				if ( !foundit )
				{
					sprintf( imagefile, "%s.gif", packname );
					if ( fimage = fopen( imagefile, "r" ) )
						foundit = TRUE;
				}
				if ( !foundit )
				{
					sprintf( imagefile, "%s.jpg", packname );
					if ( fimage = fopen( imagefile, "r" ) )
						foundit = TRUE;
				}
				if ( !foundit )
				{
					// try folder.jpg
					char *p;
					strcpy( imagefile, packname );
					p = strrchr( imagefile, '\\' );
					if ( p )
					{
						strcpy( p, "\\folder.jpg" );
						if ( fimage = fopen( imagefile, "r" ) )
							foundit = TRUE;
					}
				}

				if ( foundit )
				{
					fclose( fimage );
					fprintf(f,"<tr><td class=what>Pack image</td><td class=is colspan=2><img src=\"file:///%s\"></td></tr>", imagefile);
				}

				free( imagefile );
			}

			fputs("</table>",f);

			fputs(
				#include "htmlafter.txt"
				,f
			);
			fclose(f);

			if ( UseMB ) {
				url = malloc( strlen( TempHTMLFile ) + 9 );
				sprintf( url, "file:///%s", TempHTMLFile );
				if ( ForceOpen ) SendMessage(mod.hMainWindow,WM_USER,(WPARAM)NULL,IPC_MBOPEN);  // open minibrowser
				SendMessage(mod.hMainWindow,WM_USER,(WPARAM)url,IPC_MBOPEN);  // display file
				free(url);
			}
			else ShellExecute(mod.hMainWindow,NULL,TempHTMLFile,NULL,NULL,SW_SHOWNORMAL);
		}
	}
}


//-----------------------------------------------------------------
// GD3 helper stuff
//-----------------------------------------------------------------

struct TFileTagInfo LastFileInfo;

//-----------------------------------------------------------------
// Get the track number for a given filename
// by trying to find its M3U playlist
//-----------------------------------------------------------------
int GetTrackNumber(char *filename) {
  // assumes a filename "Streets of Rage II - Never Return Alive.vgz"
  // will have a playlist "Streets of Rage II.m3u"
  // returns track number, or 0 for not found
  FILE *f;
  char *playlist;
  char *p;
  char *fn;
  char buff[1024]; // buffer for reading lines from file
  int number=0;
  int linenumber;

  playlist=malloc(strlen(filename)+16); // plenty of space in all weird cases

  if(playlist) {
    p=strrchr(filename,'\\'); // p points to the last \ in the filename
    if(p){
      // isolate filename
      fn=malloc(strlen(p));
      if(fn) {
        strcpy(fn,p+1);

        while(number==0) {
          p=strstr(p," - "); // find first " - " after current position of p
          if(p) {
            strncpy(playlist,filename,p-filename); // copy filename up until the " - "
            strcpy(playlist+(p-filename),".m3u"); // terminate it with a ".m3u\0"

            f=fopen(playlist,"r"); // try to open file
            if(f) {
              linenumber=1;
              // read through file, a line at a time
              while(fgets(buff,1024,f) && (number==0)) {    // fgets will read in all characters up to and including the line break
                if(strnicmp(buff,fn,strlen(fn))==0) {
                  // found it!
                  number=linenumber;
                }
                if((strlen(buff)>3)&&(buff[0]!='#')) linenumber++; // count lines that are (probably) valid but not #EXTINF lines
              }

              fclose(f);
            }
            p++; // make it not find this " - " next iteration
          } else break;
        }
        free(fn);
      }
    }
    free(playlist);
  }
  return number;
}

//-----------------------------------------------------------------
// Load the given file's GD3 info into the given TFileTagInfo struct
//-----------------------------------------------------------------
int LoadInfo(char *filename, struct TFileTagInfo *fileinfo)
{
  // load info from filename into fileinfo
  gzFile  *fh;
  struct TVGMHeader VGMHeader;
  int i;

	// Blank info
	// Free pointed data first
  free( fileinfo->filename );
	for (i=0;i<NUMGD3TAGS;++i) {
		free( fileinfo->tags[i] );
  }

	// Zero the struct - assuming zero is a nice field to initialise things to
	memset( fileinfo, 0, sizeof(struct TFileTagInfo) );	

	// copy filename
  fileinfo->filename = malloc(strlen(filename)+1);
  strcpy(fileinfo->filename, filename);

	// get file size
	fileinfo->filesize = FileSize(filename);

	// Start to read things in
	fh=gzopen(filename,"rb");
  if (fh==0) {  // file not opened
    return 0;
  }

  i=gzread(fh,&VGMHeader,sizeof(VGMHeader));

  if ( (i < sizeof(VGMHeader))
    || (VGMHeader.VGMIdent != VGMIDENT)
    || ((VGMHeader.Version<MINVERSION) || ((VGMHeader.Version & REQUIREDMAJORVER)!=REQUIREDMAJORVER))
  ) {
    gzclose(fh);
    return 0;
  }

  // VGM header OK

  fileinfo->tracklength = (int) (
    (VGMHeader.TotalLength)
    /44.1
    *((PlaybackRate&&VGMHeader.RecordingRate)?(double)VGMHeader.RecordingRate/PlaybackRate:1)
  );

  fileinfo->looplength = (int) (
		(VGMHeader.LoopLength)
    /44.1
    *((PlaybackRate&&VGMHeader.RecordingRate)?(double)VGMHeader.RecordingRate/PlaybackRate:1)
  );

  if ( LoopForever )
    fileinfo->length = -1000;
  else
		fileinfo->length = fileinfo->tracklength + NumLoops * fileinfo->looplength;

	// bytes * 8 = bits
	// ms / 1000 = seconds
	// thus (bytes * 8 ) / (ms / 1000) = bytes * 8000 / ms
	fileinfo->bitrate = (float)fileinfo->filesize * 8000 / fileinfo->tracklength;

	fileinfo->chips_used[VGM_CHIP_SN76489] = VGMHeader.PSGClock > 0;
	fileinfo->chips_used[VGM_CHIP_YM2413] = VGMHeader.YM2413Clock > 0;
  if (VGMHeader.Version<0x0110)
  {
		// VGM <1.10 only has one clock setting for all FM chips
		fileinfo->chips_used[VGM_CHIP_YM2612] = fileinfo->chips_used[VGM_CHIP_YM2151] = fileinfo->chips_used[VGM_CHIP_YM2413];
  }
	else
	{
		fileinfo->chips_used[VGM_CHIP_YM2612] = VGMHeader.YM2612Clock > 0;
		fileinfo->chips_used[VGM_CHIP_YM2151] = VGMHeader.YM2151Clock > 0;
	}

	_snprintf( fileinfo->vgmversion, 7, "%x.%02x", VGMHeader.Version >> 8, VGMHeader.Version & 0xff );
	
	if (VGMHeader.GD3Offset>0) {
    // GD3 tag exists
    struct TGD3Header  GD3Header;
    gzseek(fh,VGMHeader.GD3Offset+0x14,SEEK_SET);
    i=gzread(fh,&GD3Header,sizeof(GD3Header));
    if (
      (i==sizeof(GD3Header)) &&
      (GD3Header.GD3Ident == GD3IDENT) &&
      (GD3Header.Version>=MINGD3VERSION) &&
      ((GD3Header.Version & REQUIREDGD3MAJORVER)==REQUIREDGD3MAJORVER)
    ) {
      // GD3 is acceptable version
      wchar *GD3data,*p;

      GD3data=malloc(GD3Header.Length);  // Allocate memory for string data
      gzread(fh,GD3data,GD3Header.Length);  // Read it in

      // convert into struct
      p = GD3data;
      for (i=0; i<NUMGD3TAGS; ++i)
      {
				int len;
				// skip leading whitespace
				while (*p && *p < 256 && isspace(*p))
					p++;
				// copy tag, exclude trailing whitespace
				len = wcslen(p);
				while (len > 0 && p[len-1] < 256 && isspace(p[len-1]))
					len--;
				fileinfo->tags[i] = malloc( (len + 1) * sizeof(wchar) );
				if ( fileinfo->tags[i] )
				{
					wcsncpy( fileinfo->tags[i], p, len );
					fileinfo->tags[i][len]=0; // null terminate
				}

        // special cases?
        switch(i) {
        case GD3_GAMEEN:
        case GD3_GAMEJP: // album: append " (FM)" for FM soundtracks if wanted; hack: not for 7MHzish clocks, that's probably an old YM2612 header value
          if ( MLShowFM 
            && VGMHeader.YM2413Clock 
            && (VGMHeader.YM2413Clock / 1000000)!=7 )
          {
            // re-allocate with a bit on the end and replace original
            wchar *buffer = malloc( (len + 6)*sizeof(wchar) );
            if ( buffer )
            {
							swprintf( buffer, L"%s (FM)", fileinfo->tags[i] );
              free( fileinfo->tags[i] );
              fileinfo->tags[i] = buffer;
            }
          }
          break;
        }

				// move pointer on
        p += wcslen(p)+1;
      }

      free(GD3data);  // Free memory for string buffer
    }
  }
	else
	{
		// blank GD3 entries
    for (i=0; i<NUMGD3TAGS; ++i)
    {
			fileinfo->tags[i]=&L"";
		}
	}
  gzclose(fh);

	return 1;
  // done!
}

//-----------------------------------------------------------------
// winampGetExtendedFileInfoW (Unicode) export
//-----------------------------------------------------------------
__declspec(dllexport) int winampGetExtendedFileInfoW(char *filename,char *metadata,wchar *ret,int retlen) {
  // return zero on failure
  int tagindex=GD3X_UNKNOWN;

  // can't do anything with no buffer
  if(!ret || !retlen)
    return 0;

  // first, tags that don't need to look at the file itself
  if(stricmp(metadata,"type")==0) { // type
    _snwprintf(ret,retlen,L"%d",MLType);
    return 1;
  }
  if(stricmp(metadata,"track")==0) { // track number
    int i=GetTrackNumber(filename);
    if(i>0) {
      _snwprintf(ret,retlen,L"%d",i);
      return 1;
    } else return 0;
  }

  // next, check if we've already looked at this file
  if (!LastFileInfo.filename || strcmp(LastFileInfo.filename,filename)!=0)
  {
    LoadInfo(filename, &LastFileInfo);
    // do another check on that filename in case it failed
    if (!LastFileInfo.filename || strcmp(LastFileInfo.filename,filename)!=0)
      return 0;
  }

  // now start returning stuff

  *ret=0;
  
  if(stricmp(metadata,"artist")==0)        tagindex=GD3_AUTHOREN;   // author
  else if(stricmp(metadata,"length")==0)   tagindex=GD3X_LENGTH;  // length /ms
  else if(stricmp(metadata,"title")==0)    tagindex=GD3_TITLEEN;   // track title
  else if(stricmp(metadata,"album")==0)    tagindex=GD3_GAMEEN;   // game name
  else if(stricmp(metadata,"comment")==0)  tagindex=GD3_NOTES;  // comment
  else if(stricmp(metadata,"year")==0)     tagindex=GD3_DATE;   // year
  else if(stricmp(metadata,"genre")==0)    tagindex=GD3_SYSTEMEN;   // system

#ifdef _DEBUG
	if(tagindex==GD3X_UNKNOWN)printf("Unknown metadata type: \"%s\"",metadata); // debug: get metadata types
#endif
    
  if((MLJapanese)&&(tagindex>=GD3_TITLEEN)&&(tagindex<=GD3_AUTHOREN)) tagindex++; // Increment index for Japanese

  switch (tagindex) {
    case GD3X_LENGTH:
      _snwprintf(ret,retlen,L"%d",LastFileInfo.length);
      break;
    case GD3_TITLEEN: case GD3_TITLEJP: case GD3_GAMEEN: case GD3_GAMEJP: case GD3_SYSTEMEN: case GD3_SYSTEMJP:
    case GD3_AUTHOREN: case GD3_AUTHORJP: case GD3_DATE: case GD3_RIPPER: case GD3_NOTES:
      // copy from LastFileInfo, but check for empty ones and use the alternative
      if (
        ( (LastFileInfo.tags[tagindex] == NULL) || (wcslen(LastFileInfo.tags[tagindex]) == 0) )
        &&( tagindex <= GD3_AUTHORJP)
      ) {
        // tweak index to point to alternative
        if(tagindex%2) tagindex--;
        else tagindex++;
      }

      if ( LastFileInfo.tags[tagindex] )
			{
				// special cases
				switch(tagindex)
				{
					case GD3_DATE: // year: make it the first 4 digits
						{
							// try to detect various date formats
							// Not yyyy/mm/dd:
							// nn/nn/yy    n/n/yy    nn/n/yy    n/nn/yy
							// nn/nn/yyyy  n/n/yyyy  nn/n/yyyy  n/nn/yyyy
							// Should be:
							// yyyy
							// yyyy/mm
							// yyyy/mm/dd
							wchar *lastslash = wcsrchr( LastFileInfo.tags[tagindex], L'/' );
							if (lastslash != NULL)
							{
								long year = wcstol(lastslash+1,NULL,10);
								if (year > 31) // looks like a year
								{
									if ( year < 100 ) // 2-digit, yuck
										year += 1900; // assume last century
									_snwprintf(ret,retlen,L"%d",year);
								}
							}
							if (!*ret)
							{
								// else, try the first bit
								wcsncpy( ret, LastFileInfo.tags[tagindex], 4 );
							}
						}
						break;
					default:
						// copy
						wcsncpy( ret, LastFileInfo.tags[tagindex], retlen );
						break;
				}
			}
      break;
    default:
      // do nothing
      return 0;
      break;
  }

  if ( *ret == 0 )
    // empty buffer: we didn't have anything to add
    return 0;
  else
    return 1;
}

/*
//-----------------------------------------------------------------
// winampGetExtendedFileInfo (non-Unicode) export
// for old Winamps - should only be updated when something breaks, no new features please
// BUG: Winamp prefers this one, so I have to not provide it...
//-----------------------------------------------------------------
__declspec(dllexport) int winampGetExtendedFileInfo(char *filename,char *metadata,char *ret,int retlen) {
  // return zero on failure
  int tagindex=GD3X_UNKNOWN;

  // can't do anything with no buffer
  if(!ret || !retlen)
    return 0;

  // first, tags that don't need to look at the file itself
  if(stricmp(metadata,"type")==0) { // type
    _snprintf(ret,retlen,"%d",MLType);
    return 1;
  }
  if(stricmp(metadata,"track")==0) { // track number
    int i=GetTrackNumber(filename);
    if(i>0) {
      _snprintf(ret,retlen,"%d",i);
      return 1;
    } else return 0;
  }

  // next, check if we've already looked at this file
  if (!LastFileInfo.filename || strcmp(LastFileInfo.filename,filename)!=0)
  {
    LoadInfo(filename, &LastFileInfo);
    // do another check on that filename in case it failed
    if (!LastFileInfo.filename || strcmp(LastFileInfo.filename,filename)!=0)
      return 0;
  }

  // now start returning stuff

  *ret=0;
  
  if(stricmp(metadata,"artist")==0)        tagindex=GD3_AUTHOREN;   // author
  else if(stricmp(metadata,"length")==0)   tagindex=GD3X_LENGTH;  // length /ms
  else if(stricmp(metadata,"title")==0)    tagindex=GD3_TITLEEN;   // track title
  else if(stricmp(metadata,"album")==0)    tagindex=GD3_GAMEEN;   // game name
  else if(stricmp(metadata,"comment")==0)  tagindex=GD3_NOTES;  // comment
  else if(stricmp(metadata,"year")==0)     tagindex=GD3_DATE;   // year
  else if(stricmp(metadata,"genre")==0)    tagindex=GD3_SYSTEMEN;   // system

#ifdef _DEBUG
	if(tagindex==GD3X_UNKNOWN)printf("Unknown metadata type: \"%s\"",metadata); // debug: get metadata types
#endif
    
  if((MLJapanese)&&(tagindex>=GD3_TITLEEN)&&(tagindex<=GD3_AUTHOREN)) tagindex++; // Increment index for Japanese

  switch (tagindex) {
    case GD3X_LENGTH:
      _snprintf(ret,retlen,"%d",LastFileInfo.length);
      break;
    case GD3_TITLEEN: case GD3_TITLEJP: case GD3_GAMEEN: case GD3_GAMEJP: case GD3_SYSTEMEN: case GD3_SYSTEMJP:
    case GD3_AUTHOREN: case GD3_AUTHORJP: case GD3_DATE: case GD3_RIPPER: case GD3_NOTES:
      // copy from LastFileInfo, but check for empty ones and use the alternative
      if (
        ( (LastFileInfo.tags[tagindex] == NULL) || (wcslen(LastFileInfo.tags[tagindex]) == 0) )
        &&( tagindex <= GD3_AUTHORJP)
      ) {
        // tweak index to point to alternative
        if(tagindex%2) tagindex--;
        else tagindex++;
      }
      if ( LastFileInfo.tags[tagindex] )
        // convert to MBCS
				WideCharToMultiByte(CP_ACP,WC_COMPOSITECHECK,LastFileInfo.tags[tagindex],-1,ret,retlen,NULL,NULL);
      break;
    default:
      // do nothing
      return 0;
      break;
  }

  if ( *ret == 0 )
    // empty buffer: we didn't have anything to add
    return 0;
  else
    return 1;
}
*/
//-----------------------------------------------------------------
// File info dialogue callback function
// Have to store file info outside because it's called multiple times
//-----------------------------------------------------------------
struct TFileTagInfo InfoDialogFileInfo;

BOOL CALLBACK FileInfoDialogProc(HWND DlgWin,UINT wMessage,WPARAM wParam,LPARAM lParam) {
  const int DlgFields[NUMGD3TAGS] = {
		ebTitle, ebTitle,
		ebName, ebName,
		ebSystem, ebSystem,
		ebAuthor, ebAuthor,
		ebDate,
		ebCreator,
		ebNotes
	};
  switch (wMessage) {  // process messages
    case WM_INITDIALOG:  {
			//----------------------------------------------------------------
			// Initialise dialogue
			//----------------------------------------------------------------

      int i;
			char tempstr[1024];

      if ( IsURL( FilenameForInfoDlg ) ) {
        // Filename is a URL
        if (
					CurrentURLFilename && CurrentURL && (
            ( strcmp( FilenameForInfoDlg, CurrentURLFilename ) == 0) ||
            ( strcmp( FilenameForInfoDlg, CurrentURL         ) == 0)
					)
        )
				{
          // If it's the current file, look at the temp file
					// but display the URL
          SetDlgItemText( DlgWin, ebFilename, CurrentURL );
					FilenameForInfoDlg = CurrentURLFilename;
        }
				else
				{
          // If it's not the current file, no info
          SetDlgItemText( DlgWin, ebFilename, FilenameForInfoDlg );
          SetDlgItemText( DlgWin, ebNotes, "Information unavailable for this URL" );
					DISABLECONTROL( DlgWin, btnInfoInBrowser );
          return TRUE;
        }
      } else {
        // Filename is not a URL
        SetDlgItemText( DlgWin, ebFilename, FilenameForInfoDlg );
      }

			// Load metadata
			LoadInfo( FilenameForInfoDlg, &InfoDialogFileInfo );

			// VGM version
			SetDlgItemText( DlgWin, ebVersion, InfoDialogFileInfo.vgmversion );

			// Chips used
			SETCHECKBOX( DlgWin, rbSN76489, InfoDialogFileInfo.chips_used[VGM_CHIP_SN76489] );
			SETCHECKBOX( DlgWin, rbYM2413,  InfoDialogFileInfo.chips_used[VGM_CHIP_YM2413] );
			SETCHECKBOX( DlgWin, rbYM2612,  InfoDialogFileInfo.chips_used[VGM_CHIP_YM2612] );
			SETCHECKBOX( DlgWin, rbYM2151,  InfoDialogFileInfo.chips_used[VGM_CHIP_YM2151] );
			if ( InfoDialogFileInfo.chips_used[VGM_CHIP_YM2413] == InfoDialogFileInfo.chips_used[VGM_CHIP_YM2612]
				&& InfoDialogFileInfo.chips_used[VGM_CHIP_YM2413] == InfoDialogFileInfo.chips_used[VGM_CHIP_YM2151] )
			{
				// looks like an old VGM file, so hide those extra boxes and rename the other one
        SetDlgItemText( DlgWin, rbYM2413, "FM chips" );
				HIDECONTROL( DlgWin, rbYM2612 );
        HIDECONTROL( DlgWin, rbYM2151 );
			}
			
			// Size and bitrate
      sprintf(
        tempstr,
        "%d bytes (%.2f bps)",
				InfoDialogFileInfo.filesize,
				InfoDialogFileInfo.bitrate
      );
      SetDlgItemText(DlgWin,ebSize,tempstr);

			// Length
			SetDlgItemText( DlgWin, ebLength, FormatLength( tempstr, &InfoDialogFileInfo ) );

			// Set non-language-changing fields here
			for ( i = GD3_DATE; i < NUMGD3TAGS; ++i ) {
				if ( !SetDlgItemTextW( DlgWin, DlgFields[i], InfoDialogFileInfo.tags[i] ) )
				{
          // Widechar text setting failed, try WC2MB
          char MBCSstring[1024 * 2] = "";
          WideCharToMultiByte( CP_ACP, WC_COMPOSITECHECK, InfoDialogFileInfo.tags[i], -1, MBCSstring, 1024 * 2, NULL, NULL );
          SetDlgItemTextA( DlgWin, DlgFields[i], MBCSstring );
				}
      }

			// trigger English or Japanese for other fields
			SETCHECKBOX( DlgWin, rbEnglish + FileInfoJapanese, TRUE );
      PostMessage( DlgWin, WM_COMMAND, rbEnglish + FileInfoJapanese, 0);

			return TRUE;
    }
    case WM_COMMAND:
			//----------------------------------------------------------------
			// Control messages
			//----------------------------------------------------------------
			switch (LOWORD(wParam)) {
        case IDOK:
					//----------------------------------------------------------------
					// OK button
					//----------------------------------------------------------------
          FileInfoJapanese=IsDlgButtonChecked(DlgWin,rbJapanese);
					EndDialog(DlgWin,0);  // return 0 = OK
					return TRUE;
				case IDCANCEL:
					//----------------------------------------------------------------
					// [X], Esc, Alt+F4
					//----------------------------------------------------------------
          EndDialog(DlgWin,1);  // return 1 = Cancel, stops further dialogues being opened
          return TRUE;
        case btnConfigure:
					//----------------------------------------------------------------
					// Configure Plugin
					//----------------------------------------------------------------
					mod.Config(DlgWin);
          break;
        case rbEnglish:
        case rbJapanese:
					//----------------------------------------------------------------
					// English/Japanese
					//----------------------------------------------------------------
          {
            int i;
						// offset by 1 for japanese
            const int offset = (LOWORD(wParam) == rbJapanese ? 1 : 0);
						// fill in fields
						for ( i = GD3_TITLEEN; i <= GD3_AUTHOREN; i += 2 ) {
							if ( !SetDlgItemTextW( DlgWin, DlgFields[i + offset], InfoDialogFileInfo.tags[i + offset] ) )
							{
								// ASCII conversion fallback
                char MBCSstring[1024 * 2] = "";
                WideCharToMultiByte( CP_ACP, WC_COMPOSITECHECK, InfoDialogFileInfo.tags[i + offset], -1, MBCSstring, 1024 * 2, NULL, NULL );
                SetDlgItemText( DlgWin, DlgFields[i + offset], MBCSstring );
              }
            }
          }
          break;
        case btnInfoInBrowser:
					//----------------------------------------------------------------
					// Info In Browser
					//----------------------------------------------------------------
          InfoInBrowser( FilenameForInfoDlg, UseMB, TRUE );
          break;
        default:
          break;
        }
      break;
    }
    return FALSE ;    // return FALSE to signify message not processed
}