unit AVSetFrm;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, ExtCtrls, Buttons, Videocap, MMObj, MMSlider, MMMixCtl,
  MMDIBCv, MMLevel,DSUtil,DirectShow9, MMDevice, MMMixer, MMHook, MMDesign,
  MMDSPObj, MMWavOut, MMWave, MMConect, MMWavIn, MMRingBf,MMSystem,
  XMLDoc, XMLIntf, RealICQMultiLanguage, IniFiles;

type
  TAVSetForm = class(TForm)
    Image1: TImage;
    Bevel1: TBevel;
    BTPrev: TBitBtn;
    BTNext: TBitBtn;
    BTCancel: TBitBtn;

    Notebook1: TNotebook;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label7: TLabel;
    CBCamera: TComboBox;
    Label8: TLabel;
    Panel1: TPanel;
    VideoCap: TVideoCap;
    Label9: TLabel;
    Label10: TLabel;
    Label11: TLabel;
    Label12: TLabel;
    Label13: TLabel;
    Label14: TLabel;
    Label15: TLabel;
    CBMic: TComboBox;
    CBSpeaker: TComboBox;
    Label16: TLabel;
    Label17: TLabel;
    BTTestSpeaker: TButton;
    GroupBox1: TGroupBox;
    MMMixerSlider2: TMMMixerSlider;
    Label18: TLabel;
    Label19: TLabel;
    GroupBox2: TGroupBox;
    MMMixerSlider1: TMMMixerSlider;
    Label20: TLabel;
    Label21: TLabel;
    Label22: TLabel;
    MMWaveIn: TMMWaveIn;
    MMWaveOut: TMMWaveOut;
    MMVolumeControl1: TMMVolumeControl;
    MMVolumeControl2: TMMVolumeControl;
    MMConnector1: TMMConnector;
    MMRingBuffer1: TMMRingBuffer;
    MMDesigner1: TMMDesigner;
    MMAudioLine1: TMMAudioLine;
    MMAudioLine2: TMMAudioLine;
    MMAudioLine3: TMMAudioLine;
    MMDevice: TMMMixerDevice;
    MMWaveFile: TMMWaveFile;
    MMWaveOut1: TMMWaveOut;
    procedure BTNextClick(Sender: TObject);
    procedure BTPrevClick(Sender: TObject);
    procedure BTCancelClick(Sender: TObject);
    procedure BTTestSpeakerClick(Sender: TObject);
    procedure MMWaveOutStart(Sender: TObject);
    procedure MMWaveOutStop(Sender: TObject);
    procedure MMWaveInBufferReady(Sender: TObject; lpWaveHdr: PWaveHdr);
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
  private
    FRealICQMultiLanguage: TRealICQMultiLanguage;
    procedure CheckBTState;
    procedure SaveAVSets;
  public
    { Public declarations }
  end;

var
  AVSetForm: TAVSetForm;
  FInInfo: TBitmapInfo;

  HintStr,
  NoVideoDevice,
  NoAudioDevice,
  NextStr,
  OKStr,
  StopStr,
  TestSpeaker: String;


implementation
  
{$R *.dfm}

{------------------------------------------------------------------------------}
procedure FillBitmapStruc;
begin
  FillChar(FInInfo.bmiHeader, SizeOf(TBitmapInfoHeader), 0);
  with FInInfo.bmiHeader do
  begin
    biBitCount := 24;
    biCompression := BI_RGB;
    biHeight := 240;
    biPlanes := 1;
    biSize := SizeOf(TBitmapInfoHeader);
    biWidth := 320;
  end;
end;


procedure TAVSetForm.CheckBTState;
var
  SysDev: TSysDevEnum;
  iLoop:Integer;
begin
  BTPrev.Enabled:=NoteBook1.PageIndex>0;
  BTNext.Enabled:=NoteBook1.PageIndex<NoteBook1.Pages.Count-1;

  case NoteBook1.PageIndex of
    1:begin
        if VideoCap.DriverOpen then
        begin
          VideoCap.VideoPreview:=False;
          VideoCap.StopCapture;
        end;
        SysDev:= TSysDevEnum.Create(CLSID_VideoInputDeviceCategory);

        if SysDev.CountFilters=0 then
        begin
          MessageBox(Handle, PChar(NoVideoDevice), PChar(HintStr),MB_ICONINFORMATION);
          NoteBook1.PageIndex:=3;
          CheckBTState;
          exit;
        end;
        CBCamera.Clear;
        for iLoop:=0 to SysDev.CountFilters-1 do
        begin
          CBCamera.Items.Add(SysDev.Filters[iLoop].FriendlyName);
        end;
        CBCamera.ItemIndex:=0;
        SysDev.Free;        
      end;
    2:begin
        VideoCap.DriverIndex:=CBCamera.ItemIndex;

        VideoCap.VideoPreview:=True;
        FillBitmapStruc;
        VideoCap.SetBitmapInfo(@FInInfo, SizeOf(BITMAPINFO));
        VideoCap.StartCapture;
      end;
    3:begin
        if VideoCap.DriverOpen then
        begin
          VideoCap.VideoPreview:=False;
          VideoCap.StopCapture;
        end;
      end;
    4:begin
        try
          MMWaveOut.Stop;
          MMWaveOut.Close;
        except
        end;
        if MMDevice.DeviceCount=0 then
        begin
          MessageBox(Handle, PChar(NoAudioDevice), PChar(HintStr),MB_ICONINFORMATION);
          NoteBook1.PageIndex:=7;
          CheckBTState;
          exit;
        end;
        MMDevice.GetDeviceList(CBMic.Items,True);
        MMDevice.GetDeviceList(CBSpeaker.Items,True);
        CBMic.ItemIndex:=0;
        CBSpeaker.ItemIndex:=0;
      end;
    5:begin
        try
          MMWaveIn.Stop;
          MMWaveIn.Close;
        except
        end;
        MMDevice.DeviceID:=CBSpeaker.ItemIndex;
        MMWaveOut.DeviceID:=CBSpeaker.ItemIndex;
        MMWaveIn.DeviceID:=CBMic.ItemIndex;
      end;
    6:begin
        try
          MMWaveOut.Stop;
          MMWaveOut.Close;
        except
        end;
        BTNext.Caption:= NextStr;
        MMDevice.DeviceID:=CBMic.ItemIndex;
        MMWaveOut1.DeviceID:=CBSpeaker.ItemIndex;
        MMWaveIn.DeviceID:=CBMic.ItemIndex;
        MMWaveIn.Start;
        MMWaveOut1.PWaveFormat:=MMWaveIn.PWaveFormat;
        MMWaveOut1.Start;
      end;
    7:begin
        try
          MMWaveIn.Stop;
          MMWaveIn.Close;
        except
        end;
        BTNext.Caption:=OKStr;
        BTNext.Enabled:=True;
      end;
  end;
end;

procedure TAVSetForm.SaveAVSets;
var
  XMLFile: String;
  XMLDocument: TXMLDocument;

  AVSetsNode: IXMLNode;
begin
  XMLFile := ExtractFilePath(paramstr(0)) + 'XML\AVSets.XML';
  XMLDocument := TXMLDocument.Create(Self);
  try
    XMLDocument.Active := True;
    XMLDocument.LoadFromFile(XMLFile);
    AVSetsNode := XMLDocument.DocumentElement;

    AVSetsNode.ChildNodes.FindNode('VideoDevice').Attributes['DeviceID'] := CBCamera.ItemIndex;
    AVSetsNode.ChildNodes.FindNode('MicDevice').Attributes['DeviceID'] := CBMic.ItemIndex;
    AVSetsNode.ChildNodes.FindNode('SpeakerDevice').Attributes['DeviceID'] := CBSpeaker.ItemIndex;
   
    XMLDocument.SaveToFile();
  finally
    XMLDocument.Free;
  end;
end;

procedure TAVSetForm.BTNextClick(Sender: TObject);
begin
  if NoteBook1.PageIndex = 7 then
  begin
    SaveAVSets;
    Close;
  end
  else
  begin
    NoteBook1.PageIndex := NoteBook1.PageIndex + 1;
    CheckBTState;
  end;
end;

procedure TAVSetForm.BTPrevClick(Sender: TObject);
begin
  if (NoteBook1.PageIndex = 3) and (Self.CBCamera.Items.Count = 0) then
    NoteBook1.PageIndex := 0
  else
    NoteBook1.PageIndex := NoteBook1.PageIndex - 1;
  CheckBTState;
end;

procedure TAVSetForm.BTCancelClick(Sender: TObject);
begin
  Close;
end;

procedure TAVSetForm.BTTestSpeakerClick(Sender: TObject);
begin
  if BTTestSpeaker.Caption = StopStr then
  begin
    MMWaveOut.Stop;
  end
  else
  begin
  //  MMWaveFile.LoadFromFile(ExtractFilePath(Application.ExeName) + 'Sound/TestSnd.wav');
    MMWaveFile.Wave.LoadFromFile(ExtractFilePath(Application.ExeName) + 'Sound/TestSnd.wav');
    MMWaveOut.Start;
  end;
end;

procedure TAVSetForm.MMWaveOutStart(Sender: TObject);
begin
    BTTestSpeaker.Caption:=StopStr;
end;

procedure TAVSetForm.MMWaveOutStop(Sender: TObject);
begin
    BTTestSpeaker.Caption:=TestSpeaker;
end;

procedure TAVSetForm.MMWaveInBufferReady(Sender: TObject;
  lpWaveHdr: PWaveHdr);
begin
  MMRingBuffer1.PutBuffer(lpWaveHdr.lpData,lpWaveHdr.dwBufferLength,lpWaveHdr.dwUser,lpWaveHdr.dwFlags);
end;

procedure TAVSetForm.FormCreate(Sender: TObject);
var
  IniFile: TIniFile;
begin
  FRealICQMultiLanguage := TRealICQMultiLanguage.Create(Self);
  try
    FRealICQMultiLanguage.LanguageIniFile := ParamStr(1);
  except
  end;

  IniFile := TIniFile.Create(ParamStr(1));
  try
    with IniFile do
    begin
      Application.Title := FilterStr(ReadString(String(Self.ClassName), 'ApplicationTitle', ''));
      Caption := FilterStr(ReadString(String(Self.ClassName), 'Caption', ''));
      HintStr := FilterStr(ReadString(String(Self.ClassName), 'HintStr', ''));
      NoVideoDevice := FilterStr(ReadString(String(Self.ClassName), 'NoVideoDevice', ''));
      NoAudioDevice := FilterStr(ReadString(String(Self.ClassName), 'NoAudioDevice', ''));
      NextStr := FilterStr(ReadString(String(Self.ClassName), 'NextStr', ''));
      OKStr := FilterStr(ReadString(String(Self.ClassName), 'OKStr', ''));
      StopStr := FilterStr(ReadString(String(Self.ClassName), 'StopStr', ''));
      TestSpeaker := FilterStr(ReadString(String(Self.ClassName), 'TestSpeaker', ''));
    end;
  finally
    FreeAndNil(IniFile);
  end;
end;

procedure TAVSetForm.FormDestroy(Sender: TObject);
begin
  FreeAndNil(FRealICQMultiLanguage);
end;

end.