made VST support layer work on native win32
git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1546 0778d3d1-df1d-0410-868b-ea421aaaa00d
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Tobias Doerffel committed
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commit
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@@ -38,13 +38,22 @@
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#include <pthread.h>
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#endif
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#ifdef LMMS_BUILD_LINUX
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#ifdef LMMS_HAVE_SCHED_H
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#include <sched.h>
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#endif
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#include <wine/exception.h>
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#endif
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#include <windows.h>
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#include <wine/exception.h>
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#ifdef LMMS_BUILD_WIN32
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#include <libgen.h>
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#endif
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#include <list>
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@@ -76,6 +85,7 @@ struct ERect
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#include "communication.h"
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#if 0
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#ifdef LMMS_HAVE_TLS
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static __thread int ejmpbuf_valid = false;
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static __thread jmp_buf ejmpbuf;
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@@ -83,6 +93,7 @@ static __thread jmp_buf ejmpbuf;
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static pthread_key_t ejmpbuf_valid_key;
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static pthread_key_t ejmpbuf_key;
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#endif
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#endif
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static VstHostLanguages hlang = LanguageEnglish;
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@@ -105,15 +116,6 @@ public:
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void init( const std::string & _plugin_file );
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void showEditor( void )
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{
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if( m_window != NULL )
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{
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PostThreadMessageA( m_guiThreadID, WM_USER, ShowEditor,
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0 );
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}
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}
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virtual bool process( const sampleFrame * _in, sampleFrame * _out );
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@@ -190,9 +192,9 @@ public:
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private:
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enum guiThreadMessages
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enum GuiThreadMessages
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{
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None, ShowEditor, ClosePlugin
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None, ClosePlugin
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} ;
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// callback used by plugin for being able to communicate with it's host
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@@ -252,6 +254,8 @@ remoteVstPlugin::remoteVstPlugin( key_t _shm_in, key_t _shm_out ) :
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m_bpm( 0 ),
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m_currentSamplePos( 0 )
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{
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pthread_mutex_init( &m_lock, NULL );
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pthread_cond_init( &m_windowStatusChange, NULL );
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}
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@@ -266,9 +270,12 @@ remoteVstPlugin::~remoteVstPlugin()
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{
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//lvsMessage( "could not post message to gui thread" );
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}
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pthread_mutex_lock( &m_lock );
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pthread_cond_wait( &m_windowStatusChange, &m_lock );
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m_plugin->dispatcher( m_plugin, effEditClose, 0, 0, NULL, 0.0 );
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#ifdef LMMS_BUILD_LINUX
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CloseWindow( m_window );
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#endif
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m_window = NULL;
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}
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@@ -280,6 +287,9 @@ remoteVstPlugin::~remoteVstPlugin()
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delete[] m_inputs;
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delete[] m_outputs;
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pthread_mutex_destroy( &m_lock );
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pthread_cond_destroy( &m_windowStatusChange );
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}
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@@ -293,9 +303,15 @@ bool remoteVstPlugin::processMessage( const message & _m )
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init( _m.getString() );
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break;
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case IdShowUI:
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showEditor();
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#ifdef LMMS_BUILD_WIN32
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case IdVstPluginWindowInformation:
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{
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HWND top = FindWindowEx( NULL, NULL, NULL,
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_m.getString().c_str() );
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m_window = FindWindowEx( top, NULL, NULL, NULL );
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break;
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}
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#endif
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case IdVstSetTempo:
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setBPM( _m.getInt() );
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@@ -350,18 +366,16 @@ void remoteVstPlugin::init( const std::string & _plugin_file )
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fprintf( stderr, "could not create GUI-thread\n" );
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return;
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}
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pthread_cond_wait( &m_windowStatusChange, &m_lock);
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pthread_mutex_lock( &m_lock );
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pthread_cond_wait( &m_windowStatusChange, &m_lock );
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// now post some information about our plugin
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sendMessage( message( IdVstPluginWindowID ).addInt( m_windowID ) );
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if( m_windowID != 0 )
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{
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sendMessage( message( IdVstPluginEditorGeometry ).
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sendMessage( message( IdVstPluginEditorGeometry ).
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addInt( m_windowWidth ).
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addInt( m_windowHeight ) );
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}
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sendMessage( message( IdVstPluginName ).addString( pluginName() ) );
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sendMessage( message( IdVstPluginVersion ).addInt( pluginVersion() ) );
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@@ -480,9 +494,6 @@ bool remoteVstPlugin::process( const sampleFrame * _in, sampleFrame * _out )
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m_currentSamplePos += bufferSize();
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// give plugin some idle-time for GUI-update and so on...
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m_plugin->dispatcher( m_plugin, effEditIdle, 0, 0, NULL, 0 );
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}
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@@ -984,6 +995,7 @@ DWORD WINAPI remoteVstPlugin::guiEventLoop( LPVOID _param )
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remoteVstPlugin * _this = static_cast<remoteVstPlugin *>( _param );
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_this->m_guiThreadID = GetCurrentThreadId();
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#if 0
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// "guard point" to trap errors that occur during plugin loading
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#ifdef LMMS_HAVE_TLS
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if( sigsetjmp( ejmpbuf, 1 ) )
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@@ -1005,12 +1017,17 @@ DWORD WINAPI remoteVstPlugin::guiEventLoop( LPVOID _param )
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pthread_key_create( &ejmpbuf_valid_key, NULL );
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pthread_setspecific( ejmpbuf_valid_key, ejmpbuf_valid );
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#ifdef LMMS_BUILD_WIN32
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if( setjmp( *ejmpbuf ) )
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#else
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if( sigsetjmp( *ejmpbuf, 1 ) )
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#endif
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{
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exit( 1 );
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}
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*ejmpbuf_valid = true;
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#endif
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#endif
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// Note: m_lock is held while this function is called
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@@ -1029,21 +1046,27 @@ DWORD WINAPI remoteVstPlugin::guiEventLoop( LPVOID _param )
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return( 1 );
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}
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#ifdef LMMS_BUILD_LINUX
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if( ( _this->m_window = CreateWindowExA(
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0, "LVSL", _this->m_shortName.c_str(),
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( WS_OVERLAPPEDWINDOW & ~WS_THICKFRAME &
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( WS_OVERLAPPEDWINDOW | WS_THICKFRAME &
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~WS_MAXIMIZEBOX ),
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0, 0, 1, 1, NULL, NULL, hInst, NULL ) ) == NULL )
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0, 0, 10, 10,
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NULL, NULL, hInst, NULL ) ) == NULL )
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{
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fprintf( stderr, "cannot create editor window\n" );
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pthread_cond_signal( &_this->m_windowStatusChange );
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return( 1 );
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}
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ShowWindow( _this->m_window, SW_SHOWMINIMIZED );
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ShowWindow( _this->m_window, SW_HIDE );
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ShowWindow( _this->m_window, SW_SHOWNORMAL );
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_this->m_windowID = (Sint32) GetPropA( _this->m_window,
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"__wine_x11_whole_window" );
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#else
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_this->m_windowID = 1; // arbitrary value on win32 to signal
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// vstPlugin-class that we have an editor
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#endif
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_this->m_plugin->dispatcher( _this->m_plugin, effEditOpen, 0, 0,
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@@ -1055,23 +1078,28 @@ DWORD WINAPI remoteVstPlugin::guiEventLoop( LPVOID _param )
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_this->m_windowWidth = er->right - er->left;
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_this->m_windowHeight = er->bottom - er->top;
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SetWindowPos( _this->m_window, 0, 0, 0, _this->m_windowWidth + 8,
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_this->m_windowHeight + 26, 0
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_this->m_windowHeight + 26, SWP_SHOWWINDOW );
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UpdateWindow( _this->m_window );
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#if 0
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SWP_NOACTIVATE /*| SWP_NOREDRAW*/ | SWP_NOMOVE |
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SWP_NOOWNERZORDER | SWP_NOZORDER
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#endif
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);
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#ifdef LMMS_HAVE_TLS
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ejmpbuf_valid = false;
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#else
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*ejmpbuf_valid = false;
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#endif
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#endif
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pthread_cond_signal( &_this->m_windowStatusChange );
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HWND timer_window = CreateWindowEx( 0, "LVSL", "dummy",
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0, 0, 0, 0, 0, NULL, NULL, hInst, NULL );
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// install GUI update timer
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SetTimer( timer_window, 1000, 50, NULL );
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MSG msg;
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bool quit = false;
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@@ -1080,16 +1108,17 @@ DWORD WINAPI remoteVstPlugin::guiEventLoop( LPVOID _param )
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TranslateMessage( &msg );
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DispatchMessageA( &msg );
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if( msg.message == WM_USER )
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if( msg.message == WM_TIMER )
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{
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// give plugin some idle-time for GUI-update
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_this->m_plugin->dispatcher( _this->m_plugin,
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effEditIdle, 0, 0,
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NULL, 0 );
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}
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else if( msg.message == WM_USER )
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{
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switch( msg.wParam )
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{
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case ShowEditor:
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ShowWindow( _this->m_window,
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SW_SHOWNORMAL );
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UpdateWindow( _this->m_window );
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break;
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case ClosePlugin:
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quit = true;
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break;
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@@ -1108,7 +1137,7 @@ DWORD WINAPI remoteVstPlugin::guiEventLoop( LPVOID _param )
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int main( int _argc, char * * _argv )
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int main( int _argc, char * * _argv )
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{
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if( _argc < 3 )
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{
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@@ -1147,6 +1176,7 @@ int main( int _argc, char * * _argv )
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return( -1 );
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}
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#ifdef LMMS_BUILD_LINUX
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#ifdef LMMS_HAVE_SCHED_H
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// try to set realtime-priority
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struct sched_param sparam;
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@@ -1157,6 +1187,7 @@ int main( int _argc, char * * _argv )
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fprintf( stderr, "could not set realtime priority for "
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"remoteVstPlugin\n" );
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}
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#endif
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#endif
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__plugin = new remoteVstPlugin( atoi( _argv[1] ), atoi( _argv[2] ) );
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