1 files changed, 142 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/mmf/utils.cpp b/src/3rdparty/phonon/mmf/utils.cpp
new file mode 100644
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+++ b/src/3rdparty/phonon/mmf/utils.cpp
@@ -0,0 +1,142 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "utils.h"
+#include <e32std.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Phonon;
+using namespace Phonon::MMF;
+
+_LIT(PanicCategory, "Phonon::MMF");
+
+void MMF::Utils::panic(PanicCode code)
+{
+    User::Panic(PanicCategory, code);
+}
+
+
+static const TInt KMimePrefixLength = 6; // either "audio/" or "video/"
+_LIT(KMimePrefixAudio, "audio/");
+_LIT(KMimePrefixVideo, "video/");
+
+MMF::MediaType MMF::Utils::mimeTypeToMediaType(const TDesC& mimeType)
+{
+    MediaType result = MediaTypeUnknown;
+
+    if (mimeType.Left(KMimePrefixLength).Compare(KMimePrefixAudio) == 0) {
+        result = MediaTypeAudio;
+    } else if (mimeType.Left(KMimePrefixLength).Compare(KMimePrefixVideo) == 0) {
+        result = MediaTypeVideo;
+    }
+
+    return result;
+}
+
+
+#ifdef _DEBUG
+
+#include <hal.h>
+#include <hal_data.h>
+#include <gdi.h>
+#include <eikenv.h>
+
+struct TScreenInfo
+{
+	int width;
+	int height;
+	int bpp;
+	const char* address;
+	int initialOffset;
+	int lineOffset;
+	TDisplayMode displayMode;
+};
+
+void getScreenInfoL(TScreenInfo& info)
+{
+	info.displayMode = CEikonEnv::Static()->ScreenDevice()->DisplayMode();
+	
+	// Then we must set these as the input parameter
+	info.width = info.displayMode;
+	info.height = info.displayMode;
+	info.initialOffset = info.displayMode;
+	info.lineOffset = info.displayMode;
+	info.bpp = info.displayMode;
+
+	User::LeaveIfError( HAL::Get(HALData::EDisplayXPixels, info.width) );
+	User::LeaveIfError( HAL::Get(HALData::EDisplayYPixels, info.width) );
+		
+	int address;
+	User::LeaveIfError( HAL::Get(HALData::EDisplayMemoryAddress, address) );
+	info.address = reinterpret_cast<const char*>(address);
+	
+	User::LeaveIfError( HAL::Get(HALData::EDisplayOffsetToFirstPixel, info.initialOffset) );
+	
+	User::LeaveIfError( HAL::Get(HALData::EDisplayOffsetBetweenLines, info.lineOffset) );
+	
+	User::LeaveIfError( HAL::Get(HALData::EDisplayBitsPerPixel, info.bpp) );
+}
+
+
+QColor MMF::Utils::getScreenPixel(const QPoint& pos)
+{
+	TScreenInfo info;
+	TRAPD(err, getScreenInfoL(info));
+	QColor pixel;
+	if(err == KErrNone and pos.x() < info.width and pos.y() < info.height)
+	{
+		const int bytesPerPixel = info.bpp / 8;
+		Q_ASSERT(bytesPerPixel >= 3);
+		
+		const int stride = (info.width * bytesPerPixel) + info.lineOffset;
+	
+		const char* ptr =
+				info.address
+			+	info.initialOffset
+			+	pos.y() * stride
+			+	pos.x() * bytesPerPixel;
+		
+		// BGRA
+		pixel.setBlue(*ptr++);
+		pixel.setGreen(*ptr++);
+		pixel.setRed(*ptr++);
+		
+		if(bytesPerPixel == 4)
+			pixel.setAlpha(*ptr++);
+	}
+	return pixel;
+}
+
+// Debugging: for debugging video visibility
+void MMF::Utils::dumpScreenPixelSample() 
+{
+    for(int i=0; i<20; ++i) {
+		const QPoint pos(i*10, i*10);
+		const QColor pixel = Utils::getScreenPixel(pos);
+		RDebug::Printf(
+			"Phonon::MMF::Utils::dumpScreenPixelSample %d %d = %d %d %d %d",
+			pos.x(), pos.y(), pixel.red(), pixel.green(), pixel.blue(), pixel.alpha()
+		);
+    }
+}
+
+#endif // _DEBUG
+
+QT_END_NAMESPACE
+