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  • 播放一个wav文件

    use mmsystem;
    SndPlaySound('hello.wav',SND_FILENAME or SND_SYNC)

    ///////////////////////////////////
    unit PlaySnd1;

    interface

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

    type
      TForm1 = class(TForm)
        PlaySndFromFile: TButton;
        PlaySndFromMemory: TButton;
        PlaySndbyLoadRes: TButton;
        PlaySndFromRes: TButton;
        procedure PlaySndFromFileClick(Sender: TObject);
        procedure PlaySndFromMemoryClick(Sender: TObject);
        procedure PlaySndFromResClick(Sender: TObject);
        procedure PlaySndbyLoadResClick(Sender: TObject);
      private

        { Private declarations }
      public
        { Public declarations }
      end;

    var
      Form1: TForm1;

    implementation

    {$R *.DFM}

    {$R snddata.res}

    uses MMSystem;

    procedure TForm1.PlaySndFromFileClick(Sender: TObject);
    begin
      sndPlaySound('hello.wav',
                    SND_FILENAME or SND_SYNC);
    end;

    procedure TForm1.PlaySndFromMemoryClick(Sender: TObject);
    var
      f: file;
      p: pointer;
      fs: integer;
    begin
      AssignFile(f, 'hello.wav');
      Reset(f,1);

      fs := FileSize(f);
      GetMem(p, fs);
      BlockRead(f, p^, fs);
      CloseFile(f);
      sndPlaySound(p,
                   SND_MEMORY or SND_SYNC);
      FreeMem(p, fs);
    end;

    procedure TForm1.PlaySndFromResClick(Sender: TObject);
    begin
      PlaySound('HELLO',
                hInstance,
                SND_RESOURCE or SND_SYNC);
    end;

    procedure TForm1.PlaySndbyLoadResClick(Sender: TObject);
    var
      h: THandle;
      p: pointer;
    begin
      h := FindResource(hInstance,
                        'HELLO',

                        'WAVE');
      h := LoadResource(hInstance, h);
      p := LockResource(h);
      sndPlaySound(p,
                   SND_MEMORY or SND_SYNC);
      UnLockResource(h);
      FreeResource(h);
    end;


    end.

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  • 原文地址:https://www.cnblogs.com/yzryc/p/6374447.html
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