mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-17 00:35:54 +01:00
104 lines
3.1 KiB
ObjectPascal
104 lines
3.1 KiB
ObjectPascal
(* /*****************************************************************
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// Delphi-OpenCV Demo
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// Copyright (C) 2013 Project Delphi-OpenCV
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// ****************************************************************
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// Contributor:
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// laentir Valetov
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// email:laex@bk.ru
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// ****************************************************************
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// You may retrieve the latest version of this file at the GitHub,
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// located at git://github.com/Laex/Delphi-OpenCV.git
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// ****************************************************************
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// The contents of this file are used with permission, subject to
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// the Mozilla Public License Version 1.1 (the "License"); you may
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// not use this file except in compliance with the License. You may
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// obtain a copy of the License at
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// http://www.mozilla.org/MPL/MPL-1_1Final.html
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//
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// Software distributed under the License is distributed on an
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// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// rights and limitations under the License.
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******************************************************************* *)
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// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
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// JCL_DEBUG_EXPERT_INSERTJDBG OFF
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// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
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program Class_TwoCameras;
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{$APPTYPE CONSOLE}
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{$R *.res}
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uses
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System.SysUtils,
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highgui_c,
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core_c,
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Core.types_c,
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imgproc_c,
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imgproc.types_c,
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highgui,
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Mat;
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Const
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VK_ESCAPE = 27;
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DESIRED_CAMERA_WIDTH: Integer = 320;
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DESIRED_CAMERA_HEIGHT: Integer = 240;
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windowName1 = 'Left';
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windowName2 = 'Right';
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var
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camera1, camera2: IVideoCapture;
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cameraFrame1: IMat = nil;
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cameraFrame2: IMat = nil;
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c: Integer;
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begin
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try
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camera1 := CreateVideoCapture(0);
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camera1.setValue(CV_CAP_PROP_FRAME_WIDTH, DESIRED_CAMERA_WIDTH);
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camera1.setValue(CV_CAP_PROP_FRAME_HEIGHT, DESIRED_CAMERA_HEIGHT);
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camera2 := CreateVideoCapture(1);
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camera2.setValue(CV_CAP_PROP_FRAME_WIDTH, DESIRED_CAMERA_WIDTH);
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camera2.setValue(CV_CAP_PROP_FRAME_HEIGHT, DESIRED_CAMERA_HEIGHT);
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namedWindow(windowName1);
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namedWindow(windowName2);
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while true do
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begin
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camera1.read(cameraFrame1);
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if Assigned(cameraFrame1) then
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begin
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if (cameraFrame1.empty()) then
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begin
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Writeln('ERROR: Couldn''t grab the next camera frame.');
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Halt(1);
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end;
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imshow(windowName1, cameraFrame1);
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end;
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camera2.read(cameraFrame2);
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if Assigned(cameraFrame2) then
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begin
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if (cameraFrame2.empty()) then
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begin
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Writeln('ERROR: Couldn''t grab the next camera frame.');
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Halt(1);
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end;
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imshow(windowName2, cameraFrame2);
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end;
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// IMPORTANT: Wait for atleast 20 milliseconds, so that the image can be displayed on the screen!
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if (waitKey(20) = VK_ESCAPE) then // Escape Key
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break; // Quit the program!
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end;
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camera1.release;
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camera2.release;
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cvDestroyAllWindows;
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except
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on E: Exception do
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Writeln(E.ClassName, ': ', E.Message);
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end;
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end.
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