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copied!<p><strong>Your program works for me on Win7 32bits with D2010</strong>.</p> <p>What it does though is raising an exception: </p> <pre><code>--------------------------- Project WebCamTest.exe raised exception class EFCreateError with message 'Cannot create file "c:\webcam.jpg". Access is denied'. --------------------------- </code></pre> <p>which can be corrected by changing</p> <pre><code>FJpeg.SaveToFile('c:\webcam.jpg'); </code></pre> <p>to</p> <pre><code>FJpeg.SaveToFile(TPath.GetTempPath + '\webcam.jpg'); </code></pre> <p>And also, it does not display the whole available image, you'd have to enlarge your Panel, recenter or shrink the webcam output.</p> <p><strong>Update with some code modifications that would make it work per your comments...</strong></p> <pre><code> // introducing the RGB array and a buffer TVideoArray = array[1..PICHEIGHT] of array[1..PICWIDTH] of TRGBTriple; PVideoArray = ^TVideoArray; TForm1 = class(TForm) [...] FBuf24_1: TVideoArray; [...] function FrameCallbackFunction(AHandle: hWnd; VIDEOHDR: TVideoHDRPtr): bool; stdcall; var I: integer; begin result:= true; with form1 do begin try if ConvertCodecToRGB(FCodec, VideoHDR^.lpData, @FBuf2, PICWIDTH, PICHEIGHT) then begin for I:= 1 to PICHEIGHT do FBuf1[I]:= FBuf2[PICHEIGHT- (I- 1)]; SetBitmapBits(FBitmap.Handle, PICWIDTH* PICHEIGHT* SizeOf(DWord), @FBuf1); end else begin // assume RGB for I:= 1 to PICHEIGHT do FBuf24_1[I] := PVideoArray(VideoHDR^.lpData)^[PICHEIGHT-I+1]; SetBitmapBits(FBitmap.Handle, PICWIDTH* PICHEIGHT* SizeOf(RGBTriple), @FBuf24_1); end; [...] </code></pre>

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