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