soundfx.cpp

＜VC视频音频开发＞本程序在Windows 2000、Visual C++ 6.0、DirectX 9.0 环境下编译通过。

}
VOID LoadWaveformRadio( HWND hwndDlg, LONG waveform, LONG triangle, LONG square, LONG sine )
{
    if( waveform == triangle )
        CheckRadioButton( hwndDlg, IDC_RADIO_TRIANGLE, IDC_RADIO_SINE, IDC_RADIO_TRIANGLE );
    else if( waveform == square )
        CheckRadioButton( hwndDlg, IDC_RADIO_TRIANGLE, IDC_RADIO_SINE, IDC_RADIO_SQUARE );
    else if( waveform == sine )
        CheckRadioButton( hwndDlg, IDC_RADIO_TRIANGLE, IDC_RADIO_SINE, IDC_RADIO_SINE );
    if( triangle >= 0 )
        EnableWindow( GetDlgItem( hwndDlg, IDC_RADIO_TRIANGLE ), TRUE );
    if( square >= 0 )
        EnableWindow( GetDlgItem( hwndDlg, IDC_RADIO_SQUARE ), TRUE );
    if( sine >= 0 )
        EnableWindow( GetDlgItem( hwndDlg, IDC_RADIO_SINE ), TRUE );
    EnableWindow( GetDlgItem( hwndDlg, IDC_FRAME_WAVEFORM ), ( triangle + square + sine != -3 ) );
}
VOID LoadPhaseRadio( HWND hwndDlg, LONG phase, LONG neg180, LONG neg90, LONG zero, LONG pos90, LONG pos180 )
{
    for( int i = IDC_RADIO_NEG_180; i <= IDC_RADIO_180; i++ )
        EnableWindow( GetDlgItem( hwndDlg, i ), TRUE );
    EnableWindow( GetDlgItem( hwndDlg, IDC_FRAME_PHASE), TRUE );
    if( phase == neg180 )
        CheckRadioButton( hwndDlg, IDC_RADIO_NEG_180, IDC_RADIO_90, IDC_RADIO_NEG_180 );
    else if( phase == neg90 )
        CheckRadioButton( hwndDlg, IDC_RADIO_NEG_180, IDC_RADIO_90, IDC_RADIO_NEG_90 );
    else if( phase == zero )
        CheckRadioButton( hwndDlg, IDC_RADIO_NEG_180, IDC_RADIO_90, IDC_RADIO_ZERO );
    else if( phase == pos90 )
        CheckRadioButton( hwndDlg, IDC_RADIO_NEG_180, IDC_RADIO_90, IDC_RADIO_90 );
    else if( phase == pos180 )
        CheckRadioButton( hwndDlg, IDC_RADIO_NEG_180, IDC_RADIO_90, IDC_RADIO_180 );
}
VOID LoadParameterUI( HWND hwndDlg, DWORD dwFXType )
{
    TCHAR tszstr[MAX_PATH];
    
    ResetParameterUI( hwndDlg );
    sprintf( tszstr, "修改[%s]音效的参数", g_tszFXNames[dwFXType] );
    SetDlgItemText( hwndDlg, IDC_FRAME, tszstr );
    switch( dwFXType)
    {
        case eSFX_chorus:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Wet/Dry Mix (%)" ), g_lpFXManager->m_paramsChorus.fWetDryMix, DSFXCHORUS_WETDRYMIX_MIN, DSFXCHORUS_WETDRYMIX_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Depth (%)" ), g_lpFXManager->m_paramsChorus.fDepth, DSFXCHORUS_DEPTH_MIN, DSFXCHORUS_DEPTH_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "Feedback (%)" ), g_lpFXManager->m_paramsChorus.fFeedback, DSFXCHORUS_FEEDBACK_MIN, DSFXCHORUS_FEEDBACK_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME4, TEXT( "Frequency (Hz)" ), g_lpFXManager->m_paramsChorus.fFrequency, DSFXCHORUS_FREQUENCY_MIN, DSFXCHORUS_FREQUENCY_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME5, TEXT( "Delay (ms)" ), g_lpFXManager->m_paramsChorus.fDelay, DSFXCHORUS_DELAY_MIN, DSFXCHORUS_DELAY_MAX );
            LoadWaveformRadio( hwndDlg, g_lpFXManager->m_paramsChorus.lWaveform, DSFXCHORUS_WAVE_TRIANGLE, -1, DSFXCHORUS_WAVE_SIN );
            LoadPhaseRadio( hwndDlg, g_lpFXManager->m_paramsChorus.lPhase, DSFXCHORUS_PHASE_NEG_180, DSFXCHORUS_PHASE_NEG_90, DSFXCHORUS_PHASE_ZERO, DSFXCHORUS_PHASE_90, DSFXCHORUS_PHASE_180 );
            break;
        }
        case eSFX_compressor:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Gain (dB)" ), g_lpFXManager->m_paramsCompressor.fGain, DSFXCOMPRESSOR_GAIN_MIN, DSFXCOMPRESSOR_GAIN_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Attack (ms)" ), g_lpFXManager->m_paramsCompressor.fAttack, DSFXCOMPRESSOR_ATTACK_MIN, DSFXCOMPRESSOR_ATTACK_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "Release (ms)" ), g_lpFXManager->m_paramsCompressor.fRelease, DSFXCOMPRESSOR_RELEASE_MIN, DSFXCOMPRESSOR_RELEASE_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME4, TEXT( "Threshold (dB)" ), g_lpFXManager->m_paramsCompressor.fThreshold, DSFXCOMPRESSOR_THRESHOLD_MIN, DSFXCOMPRESSOR_THRESHOLD_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME5, TEXT( "Ratio (x:1)" ), g_lpFXManager->m_paramsCompressor.fRatio, DSFXCOMPRESSOR_RATIO_MIN, DSFXCOMPRESSOR_RATIO_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME6, TEXT( "Predelay (ms)" ), g_lpFXManager->m_paramsCompressor.fPredelay, DSFXCOMPRESSOR_PREDELAY_MIN, DSFXCOMPRESSOR_PREDELAY_MAX, 0.05f, 2 );
            break;
        }
        case eSFX_distortion:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Gain (dB)" ), g_lpFXManager->m_paramsDistortion.fGain, DSFXDISTORTION_GAIN_MIN, DSFXDISTORTION_GAIN_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Edge (%)" ), g_lpFXManager->m_paramsDistortion.fEdge, DSFXDISTORTION_EDGE_MIN, DSFXDISTORTION_EDGE_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "PostEQ Center Freq (Hz)" ), g_lpFXManager->m_paramsDistortion.fPostEQCenterFrequency, DSFXDISTORTION_POSTEQCENTERFREQUENCY_MIN, DSFXDISTORTION_POSTEQCENTERFREQUENCY_MAX, 1.0f, 0 );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME4, TEXT( "PostEQ Bandwidth (Hz)" ), g_lpFXManager->m_paramsDistortion.fPostEQBandwidth, DSFXDISTORTION_POSTEQBANDWIDTH_MIN, DSFXDISTORTION_POSTEQBANDWIDTH_MAX, 1.0f, 0 );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME5, TEXT( "PreLowpass Cutoff (Hz)" ), g_lpFXManager->m_paramsDistortion.fPreLowpassCutoff, DSFXDISTORTION_PRELOWPASSCUTOFF_MIN, DSFXDISTORTION_PRELOWPASSCUTOFF_MAX, 1.0f, 0 );
            break;
        }
        case eSFX_echo:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Wet/Dry Mix (%)" ), g_lpFXManager->m_paramsEcho.fWetDryMix, DSFXECHO_WETDRYMIX_MIN, DSFXECHO_WETDRYMIX_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Feedback (%)" ), g_lpFXManager->m_paramsEcho.fFeedback, DSFXECHO_FEEDBACK_MIN, DSFXECHO_FEEDBACK_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "Left Delay (ms)" ), g_lpFXManager->m_paramsEcho.fLeftDelay, DSFXECHO_LEFTDELAY_MIN, DSFXECHO_LEFTDELAY_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME4, TEXT( "Right Delay (ms)" ), g_lpFXManager->m_paramsEcho.fRightDelay, DSFXECHO_RIGHTDELAY_MIN, DSFXECHO_RIGHTDELAY_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME5, TEXT( "Pan Delay (bool)" ), (float) g_lpFXManager->m_paramsEcho.lPanDelay, DSFXECHO_PANDELAY_MIN, DSFXECHO_PANDELAY_MAX );
            break;
        }
        case eSFX_flanger:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Wet/Dry Mix (%)" ), g_lpFXManager->m_paramsFlanger.fWetDryMix, DSFXFLANGER_WETDRYMIX_MIN, DSFXFLANGER_WETDRYMIX_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Depth (%)" ), g_lpFXManager->m_paramsFlanger.fDepth, DSFXFLANGER_DEPTH_MIN, DSFXFLANGER_DEPTH_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "Feedback (%)" ), g_lpFXManager->m_paramsFlanger.fFeedback, DSFXFLANGER_FEEDBACK_MIN, DSFXFLANGER_FEEDBACK_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME4, TEXT( "Frequency (Hz)" ), g_lpFXManager->m_paramsFlanger.fFrequency, DSFXFLANGER_FREQUENCY_MIN, DSFXFLANGER_FREQUENCY_MAX, 0.01f, 2 );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME5, TEXT( "Delay (ms)" ), g_lpFXManager->m_paramsFlanger.fDelay, DSFXFLANGER_DELAY_MIN, DSFXFLANGER_DELAY_MAX, 0.01f, 2 );
            LoadWaveformRadio( hwndDlg, g_lpFXManager->m_paramsFlanger.lWaveform, DSFXFLANGER_WAVE_TRIANGLE, -1, DSFXFLANGER_WAVE_SIN );
            LoadPhaseRadio( hwndDlg, g_lpFXManager->m_paramsFlanger.lPhase, DSFXFLANGER_PHASE_NEG_180, DSFXFLANGER_PHASE_NEG_90, DSFXFLANGER_PHASE_ZERO, DSFXFLANGER_PHASE_90, DSFXFLANGER_PHASE_180 );
            break;
        }
        case eSFX_gargle:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Rate (Hz)" ), ( FLOAT ) g_lpFXManager->m_paramsGargle.dwRateHz, ( FLOAT ) DSFXGARGLE_RATEHZ_MIN, ( FLOAT ) DSFXGARGLE_RATEHZ_MAX );
            LoadWaveformRadio( hwndDlg, g_lpFXManager->m_paramsGargle.dwWaveShape, DSFXGARGLE_WAVE_TRIANGLE, DSFXGARGLE_WAVE_SQUARE, -1 );
            break;
        }
        case eSFX_parameq:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "Center Freq (Hz)" ), g_lpFXManager->m_paramsParamEq.fCenter, DSFXPARAMEQ_CENTER_MIN, DSFXPARAMEQ_CENTER_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Bandwidth (Hz)" ), g_lpFXManager->m_paramsParamEq.fBandwidth, DSFXPARAMEQ_BANDWIDTH_MIN, DSFXPARAMEQ_BANDWIDTH_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "Gain (dB)" ), g_lpFXManager->m_paramsParamEq.fGain, DSFXPARAMEQ_GAIN_MIN, DSFXPARAMEQ_GAIN_MAX );
            break;
        }
        case eSFX_reverb:
        {
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME1, TEXT( "In Gain (dB)" ), g_lpFXManager->m_paramsReverb.fInGain, DSFX_WAVESREVERB_INGAIN_MIN, DSFX_WAVESREVERB_INGAIN_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME2, TEXT( "Reverb Mix (dB)" ), g_lpFXManager->m_paramsReverb.fReverbMix, DSFX_WAVESREVERB_REVERBMIX_MIN, DSFX_WAVESREVERB_REVERBMIX_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME3, TEXT( "Reverb Time (ms)" ), g_lpFXManager->m_paramsReverb.fReverbTime, DSFX_WAVESREVERB_REVERBTIME_MIN, DSFX_WAVESREVERB_REVERBTIME_MAX );
            LoadSingleParameter( hwndDlg, IDC_PARAM_NAME4, TEXT( "HighFreq RT Ratio (x:1)" ), g_lpFXManager->m_paramsReverb.fHighFreqRTRatio, DSFX_WAVESREVERB_HIGHFREQRTRATIO_MIN, DSFX_WAVESREVERB_HIGHFREQRTRATIO_MAX, 0.01f, 2 );
            break;
        }
    }
}
VOID OnEffectChanged( HWND hwndDlg )
{
    switch( g_dwCurrentFXType )
    {
        case eSFX_chorus:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsChorus.fWetDryMix, DSFXCHORUS_WETDRYMIX_MIN, DSFXCHORUS_WETDRYMIX_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsChorus.fDepth, DSFXCHORUS_DEPTH_MIN, DSFXCHORUS_DEPTH_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsChorus.fFeedback, DSFXCHORUS_FEEDBACK_MIN, DSFXCHORUS_FEEDBACK_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME4, &g_lpFXManager->m_paramsChorus.fFrequency, DSFXCHORUS_FREQUENCY_MIN, DSFXCHORUS_FREQUENCY_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME5, &g_lpFXManager->m_paramsChorus.fDelay, DSFXCHORUS_DELAY_MIN, DSFXCHORUS_DELAY_MAX );
            if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_TRIANGLE ) == BST_CHECKED )
                g_lpFXManager->m_paramsChorus.lWaveform = DSFXCHORUS_WAVE_TRIANGLE;
            else
                g_lpFXManager->m_paramsChorus.lWaveform = DSFXCHORUS_WAVE_SIN;
            if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_NEG_180 ) == BST_CHECKED )
                g_lpFXManager->m_paramsChorus.lPhase = DSFXCHORUS_PHASE_NEG_180;
            else if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_NEG_90 ) == BST_CHECKED )
                g_lpFXManager->m_paramsChorus.lPhase = DSFXCHORUS_PHASE_NEG_90;
            else if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_ZERO ) == BST_CHECKED )
                g_lpFXManager->m_paramsChorus.lPhase = DSFXCHORUS_PHASE_ZERO;
            else if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_90 ) == BST_CHECKED )
                g_lpFXManager->m_paramsChorus.lPhase = DSFXCHORUS_PHASE_90;
            else
                g_lpFXManager->m_paramsChorus.lPhase = DSFXCHORUS_PHASE_180;
            if( g_lpFXManager->m_lpChorus )
                g_lpFXManager->m_lpChorus->SetAllParameters( &g_lpFXManager->m_paramsChorus );
            break;
        }
        case eSFX_compressor:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsCompressor.fGain, DSFXCOMPRESSOR_GAIN_MIN, DSFXCOMPRESSOR_GAIN_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsCompressor.fAttack, DSFXCOMPRESSOR_ATTACK_MIN, DSFXCOMPRESSOR_ATTACK_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsCompressor.fRelease, DSFXCOMPRESSOR_RELEASE_MIN, DSFXCOMPRESSOR_RELEASE_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME4, &g_lpFXManager->m_paramsCompressor.fThreshold, DSFXCOMPRESSOR_THRESHOLD_MIN, DSFXCOMPRESSOR_THRESHOLD_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME5, &g_lpFXManager->m_paramsCompressor.fRatio, DSFXCOMPRESSOR_RATIO_MIN, DSFXCOMPRESSOR_RATIO_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME6, &g_lpFXManager->m_paramsCompressor.fPredelay, DSFXCOMPRESSOR_PREDELAY_MIN, DSFXCOMPRESSOR_PREDELAY_MAX, 2 );
            if( g_lpFXManager->m_lpCompressor )
                g_lpFXManager->m_lpCompressor->SetAllParameters( &g_lpFXManager->m_paramsCompressor );
            break;
        }
        case eSFX_distortion:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsDistortion.fGain, DSFXDISTORTION_GAIN_MIN, DSFXDISTORTION_GAIN_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsDistortion.fEdge, DSFXDISTORTION_EDGE_MIN, DSFXDISTORTION_EDGE_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsDistortion.fPostEQCenterFrequency, DSFXDISTORTION_POSTEQCENTERFREQUENCY_MIN, DSFXDISTORTION_POSTEQCENTERFREQUENCY_MAX, 0 );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME4, &g_lpFXManager->m_paramsDistortion.fPostEQBandwidth, DSFXDISTORTION_POSTEQBANDWIDTH_MIN, DSFXDISTORTION_POSTEQBANDWIDTH_MAX, 0 );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME5, &g_lpFXManager->m_paramsDistortion.fPreLowpassCutoff, DSFXDISTORTION_PRELOWPASSCUTOFF_MIN, DSFXDISTORTION_PRELOWPASSCUTOFF_MAX, 0 );
            if( g_lpFXManager->m_lpDistortion )
                g_lpFXManager->m_lpDistortion->SetAllParameters( &g_lpFXManager->m_paramsDistortion );
            break;
        }
        case eSFX_echo:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsEcho.fWetDryMix, DSFXECHO_WETDRYMIX_MIN, DSFXECHO_WETDRYMIX_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsEcho.fFeedback, DSFXECHO_FEEDBACK_MIN, DSFXECHO_FEEDBACK_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsEcho.fLeftDelay, DSFXECHO_LEFTDELAY_MIN, DSFXECHO_LEFTDELAY_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME4, &g_lpFXManager->m_paramsEcho.fRightDelay, DSFXECHO_RIGHTDELAY_MIN, DSFXECHO_RIGHTDELAY_MAX );
            float fTemp;
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME5, &fTemp, DSFXECHO_PANDELAY_MIN, DSFXECHO_PANDELAY_MAX );
            g_lpFXManager->m_paramsEcho.lPanDelay = (LONG) fTemp;
            if( g_lpFXManager->m_lpEcho )
                g_lpFXManager->m_lpEcho->SetAllParameters( &g_lpFXManager->m_paramsEcho );
            break;
        }
        case eSFX_flanger:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsFlanger.fWetDryMix, DSFXFLANGER_WETDRYMIX_MIN, DSFXFLANGER_WETDRYMIX_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsFlanger.fDepth, DSFXFLANGER_DEPTH_MIN, DSFXFLANGER_DEPTH_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsFlanger.fFeedback, DSFXFLANGER_FEEDBACK_MIN, DSFXFLANGER_FEEDBACK_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME4, &g_lpFXManager->m_paramsFlanger.fFrequency, DSFXFLANGER_FREQUENCY_MIN, DSFXFLANGER_FREQUENCY_MAX, 2 );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME5, &g_lpFXManager->m_paramsFlanger.fDelay, DSFXFLANGER_DELAY_MIN, DSFXFLANGER_DELAY_MAX, 2 );
            if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_TRIANGLE ) == BST_CHECKED )
                g_lpFXManager->m_paramsFlanger.lWaveform = DSFXFLANGER_WAVE_TRIANGLE;
            else
                g_lpFXManager->m_paramsFlanger.lWaveform = DSFXFLANGER_WAVE_SIN;
            if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_NEG_180 ) == BST_CHECKED )
                g_lpFXManager->m_paramsFlanger.lPhase = DSFXFLANGER_PHASE_NEG_180;
            else if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_NEG_90 ) == BST_CHECKED )
                g_lpFXManager->m_paramsFlanger.lPhase = DSFXFLANGER_PHASE_NEG_90;
            else if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_ZERO ) == BST_CHECKED )
                g_lpFXManager->m_paramsFlanger.lPhase = DSFXFLANGER_PHASE_ZERO;
            else if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_90 ) == BST_CHECKED )
                g_lpFXManager->m_paramsFlanger.lPhase = DSFXFLANGER_PHASE_90;
            else
                g_lpFXManager->m_paramsFlanger.lPhase = DSFXFLANGER_PHASE_180;
            if( g_lpFXManager->m_lpFlanger )
                g_lpFXManager->m_lpFlanger->SetAllParameters( &g_lpFXManager->m_paramsFlanger );
            break;
        }
        case eSFX_gargle:
        {
            FLOAT fRateHz;
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &fRateHz, DSFXGARGLE_RATEHZ_MIN, DSFXGARGLE_RATEHZ_MAX );
            g_lpFXManager->m_paramsGargle.dwRateHz = (DWORD) fRateHz;
            if( IsDlgButtonChecked( hwndDlg, IDC_RADIO_TRIANGLE ) == BST_CHECKED )
                g_lpFXManager->m_paramsGargle.dwWaveShape = DSFXGARGLE_WAVE_TRIANGLE;
            else
                g_lpFXManager->m_paramsGargle.dwWaveShape = DSFXGARGLE_WAVE_SQUARE;
            if( g_lpFXManager->m_lpGargle )
                g_lpFXManager->m_lpGargle->SetAllParameters( &g_lpFXManager->m_paramsGargle );
            break;
        }
        case eSFX_parameq:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsParamEq.fCenter, DSFXPARAMEQ_CENTER_MIN, DSFXPARAMEQ_CENTER_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsParamEq.fBandwidth, DSFXPARAMEQ_BANDWIDTH_MIN, DSFXPARAMEQ_BANDWIDTH_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsParamEq.fGain, DSFXPARAMEQ_GAIN_MIN, DSFXPARAMEQ_GAIN_MAX );
            if( g_lpFXManager->m_lpParamEq )
                g_lpFXManager->m_lpParamEq->SetAllParameters( &g_lpFXManager->m_paramsParamEq );
            break;
        }
        case eSFX_reverb:
        {
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME1, &g_lpFXManager->m_paramsReverb.fInGain, DSFX_WAVESREVERB_INGAIN_MIN, DSFX_WAVESREVERB_INGAIN_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME2, &g_lpFXManager->m_paramsReverb.fReverbMix, DSFX_WAVESREVERB_REVERBMIX_MIN, DSFX_WAVESREVERB_REVERBMIX_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME3, &g_lpFXManager->m_paramsReverb.fReverbTime, DSFX_WAVESREVERB_REVERBTIME_MIN, DSFX_WAVESREVERB_REVERBTIME_MAX );
            SaveSingleParameter( hwndDlg, IDC_PARAM_NAME4, &g_lpFXManager->m_paramsReverb.fHighFreqRTRatio, DSFX_WAVESREVERB_HIGHFREQRTRATIO_MIN, DSFX_WAVESREVERB_HIGHFREQRTRATIO_MAX, 2 );
            if( g_lpFXManager->m_lpReverb )
                g_lpFXManager->m_lpReverb->SetAllParameters( &g_lpFXManager->m_paramsReverb );
            break;
        }
    }
}
HRESULT ValidateWaveFile( HWND hDlg, TCHAR* strFileName )
{
    HRESULT hr;
    CWaveFile waveFile;
    if( -1 == GetFileAttributes(strFileName) )
        return E_FAIL;
    
    HANDLE hFile = CreateFile( strFileName, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL );
    if( hFile != NULL )
    {