文件列表:

COPYING (18009, 2002-05-05)
mainUnit.ddp (51, 2006-06-19)
mainUnit.dfm (764, 2006-06-19)
mainUnit.pas (2912, 2006-06-19)
MJPEGDecoderThread.pas (4350, 2006-06-19)
MJPEGDecoderUnit.pas (6824, 2006-06-19)
MJPEGTest.cfg (434, 2006-05-12)
MJPEGTest.dof (2015, 2006-05-12)
MJPEGTest.dpr (293, 2006-05-12)
MJPEGTest.res (876, 2006-05-12)

MJPEG Decoder Class Version 1.0.0 Copyright 2006, Steve Blinch http://code.blitzaffe.com ============================================================================ DESCRIPTION Provides a native Delphi implementation of an MJPEG movie decoder. MJPEG movies are commonly used by web cams and/or web cam software to display image streams. This class uses the Indy component library to make an HTTP connection to an MJPEG movie source on the network, then displays the movie in a standard TImage component. All movie retrieval and processing tasks are performed asynchronously in a separate thread, so they should not interfere with the rest of your application, or cause your application to block. This class has been tested with MJPEG streams created by the Motion software motion detector at: http://www.lavrsen.dk/twiki/bin/view/Motion/WebHome PREREQUISITES Requires the Indy socket component library. Has only been tested with Delphi 7 but may work with other Delphi versions as well. USAGE 1. Add the MJPEGDecoderUnit unit to your "uses" clause. 2. Create an instance of TMJPEGDecoder. 3. Set the OnFrame property of your TMJPEGDecoder instance to a callback which will receive each frame received from the MJPEG movie. 4. Optionally set the OnError and OnMessage properties for debugging purposes. 5. Setup your "OnFrame" callback to assign each frame to a TImage. 6. Call the Connect method of your TMJPEGDecoder instance to connect to your movie source. Pass the hostname, port, and URI of the movie as arguments. 7. Call the Disconnect method to disconnect at any time. EXAMPLE Refer to the MJPEGTest project for an example. LICENSE This script is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This script is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this script; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

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