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Posted 13 Feb 2009

Multidevice ASIO output plugin for WinAMP

, 13 Feb 2009
A tiny WinAMP output DLL that uses a C++ replacement of the official ASIO SDK that supports multiple ASIO devices.
#include "WinAMP.hpp"

#include "debugMacros.hpp"

#include <algorithm>


// (todo) Reconsider if this is actually a good place to place DLLMain (it
//        forces a default implementation on this module's users).
extern "C"
{
    BOOL APIENTRY DllMain( HMODULE const hModule, DWORD const callReason, LPVOID /*lpReserved*/ )
    {
        if ( callReason == DLL_PROCESS_ATTACH )
            VERIFY( ::DisableThreadLibraryCalls( hModule ) );
        return true;
    }

};


namespace WinAMP
{

//************************************
// Method:    GetPluginIniPath
// FullName:  WinAMP::GetPluginIniPath
// Access:    global
//************************************

char const * GetPluginIniPath()
{
    static char pluginIniPath[ MAX_PATH * 2 ] = { 0 };

    if ( !*pluginIniPath )
    {
    #if 0 // Some WinAMP versions were buggy and didn't fill in their HWND.
        if ( !WinAMPWindowHandle() )
        {
            DWORD const len( ::GetModuleFileNameA( DLLInstanceHandle(), pluginIniPath, sizeof( pluginIniPath ) ) );
            char * const backslash( &*std::find( std::reverse_iterator<char *>( pluginIniPath + len ), std::reverse_iterator<char *>( pluginIniPath ), '\\' ) );
            std::memcpy( backslash + 1, pluginIniFileName, sizeof( pluginIniFileName ) );
        }
        else
    #endif // Disabled unless proven necessary.
        {
            assert( WinAMPWindowHandle() );
            char const * const pluginDirectory( GetPluginDirectory() );
            size_t const len( std::strlen( pluginDirectory ) );
            assert( sizeof( pluginIniPath ) > len + sizeof( pluginIniFileName ) );
            std::memcpy( pluginIniPath, pluginDirectory, len );
            pluginIniPath[ len ] = '\\';
            std::memcpy( pluginIniPath + len + 1, pluginIniFileName, sizeof( pluginIniFileName ) );
        }
    }

    assert( *pluginIniPath );
    return pluginIniPath;
}

}   // namespace WinAMP

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License

This article, along with any associated source code and files, is licensed under The Common Development and Distribution License (CDDL)

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About the Author

Domagoj Šarić
Software Developer Little Endian Ltd.
Croatia Croatia
No Biography provided

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Article Copyright 2009 by Domagoj Šarić
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