From 806ccf5d25ebe337103942cdb6b5cf8800de115a Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Sun, 23 Jan 2011 17:14:43 +0000
Subject: GRAPHICS: Move graphics/video/ to video/. Step 1/2

svn-id: r55473
---
 video/codecs/mjpeg.cpp | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 video/codecs/mjpeg.cpp

(limited to 'video/codecs/mjpeg.cpp')

diff --git a/video/codecs/mjpeg.cpp b/video/codecs/mjpeg.cpp
new file mode 100644
index 0000000000..dc8eb4a58b
--- /dev/null
+++ b/video/codecs/mjpeg.cpp
@@ -0,0 +1,70 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/system.h"
+#include "graphics/conversion.h" // For YUV2RGB
+
+#include "graphics/video/codecs/mjpeg.h"
+
+namespace Graphics {
+
+JPEGDecoder::JPEGDecoder() : Codec() {
+	_jpeg = new JPEG();
+	_pixelFormat = g_system->getScreenFormat();
+	_surface = NULL;
+}
+
+JPEGDecoder::~JPEGDecoder() {
+	delete _jpeg;
+
+	if (_surface) {
+		_surface->free();
+		delete _surface;
+	}
+}
+
+const Surface *JPEGDecoder::decodeImage(Common::SeekableReadStream* stream) {
+	if (!_jpeg->read(stream)) {
+		warning("Failed to decode JPEG frame");
+		return 0;
+	}
+
+	if (!_surface) {
+		_surface = new Surface();
+		_surface->create(_jpeg->getWidth(), _jpeg->getHeight(), _pixelFormat.bytesPerPixel);
+	}
+
+	Graphics::Surface *frame = _jpeg->getSurface(_pixelFormat);
+	assert(frame);
+
+	_surface->copyFrom(*frame);
+
+	frame->free();
+	delete frame;
+
+	return _surface;
+}
+
+} // End of namespace Graphics
-- 
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