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MusicMod: Prepare to fix the MusicMod build
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3505 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
John Peterson
389
Externals/MusicMod/Player/Src/InputPlugin.cpp
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389
Externals/MusicMod/Player/Src/InputPlugin.cpp
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////////////////////////////////////////////////////////////////////////////////
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// Plainamp, Open source Winamp core
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//
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// Copyright <20> 2005 Sebastian Pipping <webmaster@hartwork.org>
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//
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// --> http://www.hartwork.org
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//
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// This source code is released under the GNU General Public License (GPL).
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// See GPL.txt for details. Any non-GPL usage is strictly forbidden.
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////////////////////////////////////////////////////////////////////////////////
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// =======================================================================================
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#include "Global.h"
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// =======================================================================================
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#include "InputPlugin.h"
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#include "Console.h"
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#include "Main.h"
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#include "Input.h"
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#include "Unicode.h"
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map <TCHAR *, InputPlugin *, TextCompare> ext_map; // extern
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vector <InputPlugin *> input_plugins; // extern
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InputPlugin * active_input_plugin = NULL; // extern
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// =======================================================================================
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// The InputPlugin class is inherited from the Plugin class
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InputPlugin::InputPlugin( TCHAR * szDllpath, bool bKeepLoaded ) : Plugin( szDllpath )
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{
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iHookerIndex = -1;
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szFilters = NULL;
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iFiltersLen = 0;
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plugin = NULL;
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//INFO_LOG(AUDIO,"\InputPlugin::InputPlugin > Begin\n");
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if( !Load() )
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{
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return;
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}
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if( !bKeepLoaded )
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{
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Unload();
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}
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input_plugins.push_back( this );
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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InputPlugin::~InputPlugin()
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{
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if( szFilters ) delete [] szFilters;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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bool InputPlugin::Load()
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{
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printf("InputPlugin::Load() was called. IsLoaded: %i\n", IsLoaded());
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if( IsLoaded() ) return true;
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// (1) Load DLL
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hDLL = LoadLibrary( GetFullpath() );
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if( !hDLL ) return false;
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// (2) Find export
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WINAMP_INPUT_GETTER winampGetInModule2 =
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( WINAMP_INPUT_GETTER )GetProcAddress( hDLL, "winampGetInModule2" );
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if( winampGetInModule2 == NULL )
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{
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FreeLibrary( hDLL );
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hDLL = NULL;
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return false;
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}
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// (3) Get module
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plugin = winampGetInModule2();
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if( plugin == NULL )
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{
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FreeLibrary( hDLL );
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hDLL = NULL;
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return false;
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}
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// (4) Process module
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plugin->hDllInstance = hDLL;
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plugin->hMainWindow = WindowMain;
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plugin->SAVSAInit = SAVSAInit;
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plugin->SAVSADeInit = SAVSADeInit;
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plugin->SAAddPCMData = SAAddPCMData;
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plugin->SAGetMode = SAGetMode;
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plugin->SAAdd = SAAdd;
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plugin->VSAAddPCMData = VSAAddPCMData;
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plugin->VSAGetMode = VSAGetMode;
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plugin->VSAAdd = VSAAdd;
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plugin->VSASetInfo = VSASetInfo;
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plugin->dsp_dosamples = dsp_dosamples;
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plugin->dsp_isactive = dsp_isactive;
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plugin->SetInfo = SetInfo;
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if( !szName )
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{
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// Note: The prefix is not removed to hide their
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// origin at Nullsoft! It just reads easier.
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if( !strnicmp( plugin->description, "nullsoft ", 9 ) )
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{
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plugin->description += 9;
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if( !strnicmp( plugin->description, "mpeg(layer1-3/ct aac+/dolby aac) ", 33 ) )
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{
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plugin->description += ( 33 - 5 );
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memcpy( plugin->description, "MPEG", 4 * sizeof( char ) );
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}
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}
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iNameLen = ( int )strlen( plugin->description );
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szName = new TCHAR[ iNameLen + 1 ];
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ToTchar( szName, plugin->description, iNameLen );
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szName[ iNameLen ] = TEXT( '\0' );
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}
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// (5) Init
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const WNDPROC WndprocBefore = ( WNDPROC )GetWindowLong( WindowMain, GWL_WNDPROC );
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plugin->Init();
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const WNDPROC WndprocAfter = ( WNDPROC )GetWindowLong( WindowMain, GWL_WNDPROC );
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if( WndprocBefore != WndprocAfter )
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{
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WndprocBackup = WndprocBefore;
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iHookerIndex = iWndprocHookCounter++;
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}
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#ifdef NOGUI
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printf( "Loading <%s>, %s\n" , GetFilename(), szName );
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#else
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TCHAR szBuffer[ 5000 ];
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_stprintf( szBuffer, TEXT( "Loading <%s>, %s" ), GetFilename(), szName );
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Console::Append( szBuffer );
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#endif
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Integrate(); // This function is just below
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// Note: Plugins that use a wndproc hook need
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// to be unloaded in the inverse loading order.
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// This is due to the nature of wndproc hooking.
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if( iHookerIndex != -1 )
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{
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Console::Append( TEXT( "Wndproc hook added (by plugin)" ) );
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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bool InputPlugin::Integrate()
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{
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if( !IsLoaded() ) return false;
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// (6) Build filter
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// (6a) First pass: get needed buffer length
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int needed = 0;
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int len = 0;
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bool even = false;
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char * walk = plugin->FileExtensions;
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while( ( len = ( int )strlen( walk ) ) > 0 )
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{
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len++; // For '\0'
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if( even )
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{
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// Extensions e.g. "mp3;mp2;mp1"
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// Worst case "a;b;c" (5) --> "*.a;*.b;*.c" (11)
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needed += ( 3 * len );
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}
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else
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{
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// Filter name e.g. "MPEG audio files"
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needed += len;
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}
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even = !even;
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walk += len;
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}
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szFilters = new TCHAR[ needed + 1 ];
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TCHAR * walk_out = szFilters;
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// (6b) Once again with copy
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walk = plugin->FileExtensions;
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even = false;
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while( true )
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{
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// Check extensions
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char * start_filter = walk;
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const int len_filter = ( int )strlen( walk );
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if( len_filter == 0 )
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{
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// End reached
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break;
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}
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walk += len_filter + 1;
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// Check filter name
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char * start_display = walk;
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int len_display = ( int )strlen( walk );
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if( len_display == 0 )
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{
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break;
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}
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walk += ++len_display;
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// Append filter name
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ToTchar( walk_out, start_display, len_display );
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// =======================================================================================
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// Print used filetypes
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TCHAR szBuffer[ 5000 ];
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*(walk_out + len_display) = TEXT( '\0' );
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_stprintf( szBuffer, TEXT( " %s" ), walk_out );
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Console::Append( szBuffer );
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//printf( szBuffer, TEXT( " %s\n" ), walk_out );
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// =======================================================================================
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walk_out += len_display;
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// Convert and append extensions
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char * walk_filter = start_filter;
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char * last_filter = start_filter;
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int len;
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while( true )
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{
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if( ( *walk_filter == ';' ) || ( *walk_filter == '\0' ) )
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{
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len = ( walk_filter - last_filter );
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if( len < 1 )
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{
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break;
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}
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// Add extension to map
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TCHAR * szExt = new TCHAR[ len + 1 ];
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ToTchar( szExt, last_filter, len );
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szExt[ len ] = TEXT( '\0' );
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_tcslwr( szExt );
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ext_map.insert( pair<TCHAR *, InputPlugin *>( szExt, this ) );
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// Append extension as "*.ext[;\0]"
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len++; // Also copy ';' and '\0'
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memcpy( walk_out, TEXT( "*." ), 2 * sizeof( TCHAR ) );
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walk_out += 2;
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ToTchar( walk_out, last_filter, len );
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walk_out += len;
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// Any more extensions?
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if( *walk_filter == '\0' )
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{
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break;
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}
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last_filter = walk_filter + 1;
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}
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walk_filter++;
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}
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if( *walk == '\0' )
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{
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*walk_out = TEXT( '\0' );
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iFiltersLen = walk_out - szFilters;
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break;
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}
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}
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Console::Append( TEXT( " " ) );
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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bool InputPlugin::DisIntegrate()
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{
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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bool InputPlugin::Unload()
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{
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if( !IsLoaded() ) return true;
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DisIntegrate();
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#ifndef NOGUI
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TCHAR szBuffer[ 5000 ];
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_stprintf( szBuffer, TEXT( "Unloading '%s'" ), GetFilename() );
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Console::Append( szBuffer );
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Console::Append( TEXT( " " ) );
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#else
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printf( ">>> Unloading '%s'\n" , GetFilename() );
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#endif
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// Quit
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if( plugin )
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{
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if( plugin->Quit ) plugin->Quit();
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plugin->outMod = NULL;
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plugin = NULL;
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}
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// Remove wndproc hook
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if( ( iHookerIndex != -1 ) && ( iHookerIndex == iWndprocHookCounter - 1 ) )
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{
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// If we don't restore it the plugins wndproc will
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// still be called which is not there anymore -> crash
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SetWindowLong( WindowMain, GWL_WNDPROC, ( LONG )WndprocBackup );
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Console::Append( TEXT( "Wndproc hook removed (by host)" ) );
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Console::Append( TEXT( " " ) );
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iHookerIndex = -1;
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iWndprocHookCounter--;
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}
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FreeLibrary( hDLL );
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hDLL = NULL;
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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bool InputPlugin::About( HWND hParent )
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{
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if( !plugin ) return false;
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if( !plugin->About ) return false;
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plugin->About( hParent );
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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//
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////////////////////////////////////////////////////////////////////////////////
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bool InputPlugin::Config( HWND hParent )
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{
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if( !plugin ) return false;
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if( !plugin->Config ) return false;
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plugin->Config( hParent );
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// TODO: File extension could have changed (e.g. in_mp3)
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// So we have to process ext_map here...
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return true;
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}
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