Mega Code Archive
How to use Logitech Webcam in Delphi
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Title: How to use Logitech Webcam in Delphi
Question: How to use the PictureToMemory method in the Logitech QuickCam SDK 1.0
Answer:
type
TMemoryStream = class(Classes.TMemoryStream);
var
MS : TMemoryStream;
lSize : LongInt;
pBuffer : ^Byte;
begin
MS := TMemoryStream.Create;
bitmap1 := TBitmap.Create;
try
if VideoPortal1.PictureToMemory(0,24,0,lSize,'') = 1 then
begin
pBuffer := AllocMem(lSize);
if VideoPortal1.PictureToMemory(0,24,integer(pBuffer),lSize,'') = 1 then
begin
MS.SetPointer(pBuffer,lSize);
bitmap1.loadfromstream(MS);
end;
end;
finally
MS.Free;
FreeMem(pBuffer);
end;
end;
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