Пример использования DirectShow для просмотра фильмов на DVD

Компилятор: Borland Delphi 7

Операционная система: Windows XP

 

Текст файла Project1.dpr

program Project1;

uses
  Forms,
  Unit1 in 'Unit1.pas' {Form1};

{$R *.res}

begin
  Application.Initialize;
  Application.CreateForm(TForm1, Form1);
  Application.Run;
end.

  Текст файла Unit1.pas

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Controls, Forms, Dialogs, StdCtrls;

type

  TForm1 = class(TForm)
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    Button6: TButton;
    Button7: TButton;
    OpenDialog1: TOpenDialog;
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure Button7Click(Sender: TObject);
  private
  public
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

uses ActiveX, ComObj, DShow;

var
  DvdGraphBuilder: IDvdGraphBuilder; 
  DvdControl: IDvdControl;
  GraphBuilder: IGraphBuilder;
  MediaControl: IMediaControl;

procedure TForm1.FormCreate(Sender: TObject);
begin
  CoInitialize(nil)
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
  CoUninitialize
end;

procedure PlayMediaDS(FileName: string);
var
  DvdStatus: TAM_DVD_RenderStatus;
begin
  if CoCreateInstance(CLSID_DvdGraphBuilder,nil,CLSCTX_INPROC_SERVER,
  IID_IDvdGraphBuilder,DvdGraphBuilder)=S_OK then
  if DvdGraphBuilder.RenderDvdVideoVolume(StringToOleStr(FileName),0,DvdStatus)=S_OK then
  if DvdGraphBuilder.GetDvdInterface(IID_IDvdControl,DvdControl)=S_OK then
  if DvdGraphBuilder.GetFiltergraph(GraphBuilder)=S_OK then
  if GraphBuilder.QueryInterface(IID_IMediaControl,MediaControl)=S_OK then
  MediaControl.Run
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  if OpenDialog1.Execute then PlayMediaDS(OpenDialog1.FileName)
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  DvdControl.ButtonActivate
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
  DvdControl.UpperButtonSelect
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
  DvdControl.LowerButtonSelect
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
  DvdControl.LeftButtonSelect
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
  DvdControl.RightButtonSelect
end;

procedure TForm1.Button7Click(Sender: TObject);
begin
  DvdControl.MenuCall(DVD_MENU_Title)
end;

end.
 

Текст файла Uni1.dfm

object Form1: TForm1
  Left = 709
  Top = 112
  Width = 241
  Height = 117
  Caption = 'Form1'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  OnCreate = FormCreate
  OnDestroy = FormDestroy
  PixelsPerInch = 96
  TextHeight = 13
  object Button1: TButton
    Left = 4
    Top = 4
    Width = 53
    Height = 25
    Caption = #1060#1072#1081#1083
    TabOrder = 0
    OnClick = Button1Click
  end
  object Button2: TButton
    Left = 120
    Top = 30
    Width = 53
    Height = 25
    Caption = #1053#1072#1078#1072#1090#1100
    TabOrder = 1
    OnClick = Button2Click
  end
  object Button3: TButton
    Left = 120
    Top = 4
    Width = 53
    Height = 25
    Caption = #1042#1074#1077#1088#1093
    TabOrder = 2
    OnClick = Button3Click
  end
  object Button4: TButton
    Left = 120
    Top = 56
    Width = 53
    Height = 25
    Caption = #1042#1085#1080#1079
    TabOrder = 3
    OnClick = Button4Click
  end
  object Button5: TButton
    Left = 64
    Top = 30
    Width = 53
    Height = 25
    Caption = #1042#1083#1077#1074#1086
    TabOrder = 4
    OnClick = Button5Click
  end
  object Button6: TButton
    Left = 176
    Top = 30
    Width = 53
    Height = 25
    Caption = #1042#1087#1088#1072#1074#1086
    TabOrder = 5
    OnClick = Button6Click
  end
  object Button7: TButton
    Left = 4
    Top = 30
    Width = 53
    Height = 25
    Caption = #1052#1077#1085#1102
    TabOrder = 6
    OnClick = Button7Click
  end
  object OpenDialog1: TOpenDialog
    Filter = #1060#1080#1083#1100#1084#1099' '#1085#1072' DVD (*.ifo)|*.ifo'
    Left = 4
    Top = 56
  end
end

загрузка файла: ds_dvd.exe, ds_dvd.exe (SFX-архив)

размер: 50 КБ

 

загрузка файла: dshow.exe, dshow.exe (SFX-архив)

размер: 190 КБ