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How to play sound from a resource file (2) Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
30-Aug-02
Category
Multimedia
Language
Delphi 2.x
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Tomas Rutkauskas

How do I play an audio waveform from a memory buffer without writing to disk?

Answer:

1   procedure TFrmWaves.PlayTheSound(AName: PChar);
2   var
3     resInfo: THandle;
4     wavHdl: THandle;
5     wavPtr: Pointer;
6   begin
7     case RgrMethod.ItemIndex of
8       0:
9         begin
10          resInfo := FindResource(HInstance, AName, RES_TYPE);
11          if resInfo <> 0 then
12          begin
13            Label1.Caption := StrPas(AName);
14            wavHdl := LoadResource(HInstance, resInfo);
15            wavPtr := LockResource(wavHdl);
16            sndPlaySound(wavPtr, SND_ASYNC or SND_MEMORY);
17            if (wavHdl <> 0) then
18            begin
19              UnlockResource(wavHdl);
20              FreeResource(wavHdl);
21            end;
22          end
23          else
24            Label1.Caption := StrPas(AName) + ': Not found';
25        end;
26      1: PlaySound(AName, HInstance, SND_RESOURCE);
27    end;
28  end;


			
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