author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - Initial contribution |
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* |
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* Contributors: |
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* Ixonos Plc |
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* |
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* Description: |
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* Implementation of class CYuv2Rgb12. |
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* YUV to EColor4K colorspace converter concrete classes. |
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* |
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*/ |
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|
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/* |
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----------------------------------------------------------------------------- |
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DESCRIPTION |
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----------------------------------------------------------------------------- |
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*/ |
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// EXTERNAL RESOURCES |
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// Include Files |
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#include <e32math.h> |
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#include "yuvconverter.h" |
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#include "yuv2rgb12.h" |
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#include "brightnesscontrast.h" |
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// MEMBER FUNCTIONS |
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//============================================================================= |
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/* |
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----------------------------------------------------------------------------- |
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CYuv2Rgb12 |
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CYuv2Rgb12() |
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Standard C++ constructor |
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----------------------------------------------------------------------------- |
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*/ |
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CYuv2Rgb12::CYuv2Rgb12() |
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{ |
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iRgbLookupTable = 0; |
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iGamma = 65536; |
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iBrightnessContrast = KMedBrightnessContrastIndex; |
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} |
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/* |
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----------------------------------------------------------------------------- |
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CYuv2Rgb12 |
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~CYuv2Rgb12() |
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Standard C++ destructor |
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----------------------------------------------------------------------------- |
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*/ |
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CYuv2Rgb12::~CYuv2Rgb12() |
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{ |
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User::Free(iRgbLookupTable); |
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} |
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/* |
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----------------------------------------------------------------------------- |
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CYuv2Rgb12 |
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ConstructL() |
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Standard Symbian OS second-phase constructor. Initializes the object. |
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----------------------------------------------------------------------------- |
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*/ |
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void CYuv2Rgb12::ConstructL(TUint aWidth, TUint aHeight, TUint aMaxWidth, TUint aMaxHeight) |
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{ |
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// Remember the dimensions |
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// __ASSERT_ALWAYS(((aWidth & 3) == 0) && ((aHeight & 3) == 0), |
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// User::Leave(KErrArgument)); |
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iWidth = aWidth; |
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iHeight = aHeight; |
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if ( iWidth > aMaxWidth ) { |
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iCropWidth = (iWidth-aMaxWidth)/2; |
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iWidth = aMaxWidth; |
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} |
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else { |
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iCropWidth = 0; |
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} |
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if ( iHeight > aMaxHeight ) { |
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iCropHeight = (iHeight-aMaxHeight)/2; |
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iHeight = aMaxHeight; |
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} |
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else { |
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iCropHeight = 0; |
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} |
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|
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// Allocate the RGB saturate/gamma lookup table |
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iRgbLookupTable = (TUint8*) User::AllocL(ESaturateLength); |
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|
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// Initialize brightness & contrast value, this will calculate the conversion table |
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// Since this uses the median index, it makes no difference if the preferred |
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// enhancement is this or gamma. Furthermore, changes to the value will be done using |
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// the appropriate method. |
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SetBrightnessContrast(KMaxBCInputIndex/2); |
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|
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} |
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|
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/* |
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136 |
----------------------------------------------------------------------------- |
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137 |
|
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138 |
CYuv2Rgb12 |
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SetGamma() |
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141 |
|
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Sets the conversion gamma value and recalculates the look-up table |
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Please use the SetBrightnessContrast method for Series 60 display |
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----------------------------------------------------------------------------- |
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*/ |
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void CYuv2Rgb12::SetGamma(TInt aGamma) |
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{ |
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TInt i, v; |
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TReal vNorm; |
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151 |
|
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// Remember gamma and convert it to floating point |
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iGamma = aGamma; |
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TReal fGamma = TReal(iGamma) / TReal(65536); |
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155 |
|
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// Calculate table entries for all possible RGB values: |
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for ( i = 0; i < ESaturateLength; i++ ) |
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{ |
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// Actual RGB value for this table index |
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v = 298 * (i - ESaturateOffset - 16) / 256; |
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161 |
// (see Convert()) |
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162 |
|
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// Saturate if <0 or >255, otherwise calculate gamma |
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if ( v < 0 ) |
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v = 0; |
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else if ( v > 255 ) |
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167 |
v = 255; |
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else |
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{ |
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// Normalize v: |
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vNorm = TReal(v) / TReal(255); |
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172 |
|
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// Gamma-correct: v = v ^ gamma |
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Math::Pow(vNorm, vNorm, fGamma); |
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|
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// Scale back to [0..255] and clamp: |
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vNorm = (TReal(255) * vNorm) + 0.5; |
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v = (TInt) vNorm; |
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if ( v < 0 ) v = 0; |
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if ( v > 255 ) v = 255; |
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} |
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182 |
|
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// 12bpp RGB has range [0..15] for all components, store to table: |
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184 |
iRgbLookupTable[i] = (TUint8) (v >> 4); |
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} |
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186 |
} |
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187 |
|
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188 |
|
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189 |
/* |
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190 |
----------------------------------------------------------------------------- |
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191 |
|
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192 |
CYuv2Rgb12 |
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|
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SetBrightnessContrast() |
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195 |
|
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196 |
Sets the index to the predefined brightness&contrast lookup table |
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197 |
(KBrightnessContrastEnhParam) and recalculates the RGB look-up table |
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The algorithm was developed by IMAAMI for Kenny display. |
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|
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----------------------------------------------------------------------------- |
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201 |
*/ |
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202 |
void CYuv2Rgb12::SetBrightnessContrast(TInt aBCIndex) |
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203 |
{ |
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204 |
TInt i, v; |
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205 |
TReal vNorm; |
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|
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207 |
// Convert & remember brightness-contrast index. aBCIndex == 0 to KMaxBCInputIndex. |
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iBrightnessContrast = (aBCIndex*KMaxBrightnessContrastIndex)/KMaxBCInputIndex; |
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|
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|
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// Calculate table entries for all possible RGB values: |
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212 |
for ( i = 0; i < ESaturateLength; i++ ) |
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213 |
{ |
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214 |
// Actual RGB value for this table index |
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215 |
v = 298 * (i - ESaturateOffset - 16) / 256; |
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216 |
// (see Convert()) |
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217 |
|
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// Saturate if <0 or >255, otherwise calculate value |
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219 |
if ( v < 0 ) |
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220 |
v = 0; |
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221 |
else if ( v > 255 ) |
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222 |
v = 255; |
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223 |
else |
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224 |
{ |
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225 |
|
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226 |
// Normalize v: |
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227 |
vNorm = TReal(v) / TReal(255); |
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228 |
|
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229 |
vNorm = KBrightnessContrastEnhParam[iBrightnessContrast].a * vNorm + KBrightnessContrastEnhParam[iBrightnessContrast].b; |
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if ( vNorm < 0 ) |
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231 |
vNorm = 0; |
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232 |
else if ( vNorm > 1 ) |
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233 |
vNorm = 1; |
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Committing the Video Editor package under the Eclipse Public License
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234 |
Math::Pow( vNorm, vNorm, KBrightnessContrastEnhParam[iBrightnessContrast].g ); |
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235 |
|
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236 |
// Scale back to [0..255] and clamp: |
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237 |
vNorm = (TReal(255) * vNorm) + 0.5; |
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v = (TInt) vNorm; |
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if ( v < 0 ) v = 0; |
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if ( v > 255 ) v = 255; |
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241 |
} |
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242 |
|
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// 12bpp RGB has range [0..15] for all components, store to table: |
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iRgbLookupTable[i] = (TUint8) (v >> 4); |
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} |
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246 |
} |
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247 |
|
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/* |
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249 |
----------------------------------------------------------------------------- |
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250 |
|
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251 |
CYuv2Rgb12 |
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252 |
|
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Convert() |
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254 |
|
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255 |
Converts a YUV frame to a ERgb12 frame |
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|
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----------------------------------------------------------------------------- |
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258 |
*/ |
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|
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void CYuv2Rgb12::Convert(const TUint8 *aYBuf, const TUint8 *aUBuf, |
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261 |
const TUint8 *aVBuf, |
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262 |
TUint aBufWidth, TUint aBufHeight, |
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263 |
TUint8 *aTarget, TUint aTargetScanlineLength) |
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{ |
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265 |
TUint cols; |
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TUint rows = iHeight; |
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TUint8 *target; |
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268 |
TUint8 *target2; |
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const TUint8 *yb, *yb2; |
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TInt y; |
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TInt uval, vval; |
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TUint8 val; |
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TUint8 *rgbLookup = iRgbLookupTable + ESaturateOffset; |
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TUint8 *rLookup, *gLookup, *bLookup; |
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|
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__ASSERT_ALWAYS((aBufWidth >= iWidth) && (aBufHeight >= iHeight), |
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User::Invariant()); |
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278 |
|
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// cropping needed? |
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if ( iCropWidth > 0 ) { |
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// sets offset to buffers; from now on increments below will always result |
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// the same offset, since the increment is aBufWidth |
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aYBuf += iCropWidth; |
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aUBuf += iCropWidth/2; |
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aVBuf += iCropWidth/2; |
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} |
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if ( iCropHeight > 0 ) { |
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// skip lines on top |
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aYBuf += iCropHeight*aBufWidth; |
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aUBuf += (iCropHeight/2)*aBufWidth/2; |
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aVBuf += (iCropHeight/2)*aBufWidth/2; |
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} |
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293 |
|
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// We don't interpolate the chrominance values at all, since that way we |
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// can save a lot of multiplications. This actually doesn't affect the |
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// subjective picture quality much, if at all, with natural images. |
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297 |
|
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298 |
// Conversion is done 2x2 pixels at a time |
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299 |
|
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// Luminance-only conversion? |
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if ( (aUBuf != NULL) && (aVBuf != NULL) ) |
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{ |
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303 |
// Full conversion |
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304 |
|
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305 |
// Convert all rows, two at a time |
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306 |
while ( rows ) |
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{ |
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308 |
// Convert all pixels in this row, two at a time |
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cols = iWidth; |
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310 |
target = aTarget; |
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311 |
target2 = aTarget + aTargetScanlineLength; |
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312 |
yb = aYBuf; |
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313 |
yb2 = aYBuf + aBufWidth; |
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|
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315 |
while ( cols ) |
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{ |
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317 |
// Traditional conversion: |
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318 |
// R = 1.1643828125 * (Y-16) + 1.59602734375 * (Cr-128) |
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319 |
// G = 1.1643828125 * (Y-16) + -0.39178515625 * (Cb-128) + -0.81296875 * (Cr-128) |
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320 |
// B = 1.1643828125 * (Y-16) + 2.01723046875 * (Cb-128) |
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321 |
|
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322 |
// => |
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323 |
// R = 1.1643828125 * (Y - 16 + 1.370706718285 * (Cr-128)) |
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324 |
// G = 1.1643828125 * (Y - 16 + -0.336474527143 * (Cb-128) + -0.6981971 * (Cr-128)) |
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325 |
// B = 1.1643828125 * (Y - 16 + 1.732446105434 * (Cb-128)) |
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326 |
|
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327 |
// We'll create a lookup-table for 1.1643828125 * (x - 16). The |
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328 |
// range needs go from -222 to 476 plus room for dithering. |
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329 |
|
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330 |
// Component lookups based on chrominance values for this 2x2 |
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331 |
// block |
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Committing the Video Editor package under the Eclipse Public License
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332 |
vval = ((TInt) aVBuf[0]) - 128; |
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333 |
//verified: shift to right is arithmetic in ARM-GCC => shifting of signed values is allowed |
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334 |
rLookup = &rgbLookup[(351 * vval) >> 8]; |
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Committing the Video Editor package under the Eclipse Public License
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335 |
uval = ((TInt) aUBuf[0]) - 128; |
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336 |
gLookup = &rgbLookup[(-86*uval - 179*vval) >> 8]; |
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337 |
bLookup = &rgbLookup[(444 * uval) >> 8]; |
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Committing the Video Editor package under the Eclipse Public License
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338 |
|
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339 |
// Bitmap format: ggggbbbb xxxxrrrr |
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Committing the Video Editor package under the Eclipse Public License
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340 |
|
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341 |
// Upper left pixel |
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Committing the Video Editor package under the Eclipse Public License
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342 |
y = yb[0]; |
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Committing the Video Editor package under the Eclipse Public License
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343 |
target[0] = (TUint8) ((gLookup[y] << 4) | bLookup[y]); |
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344 |
target[1] = rLookup[y]; |
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345 |
|
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346 |
// Upper right pixel |
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Committing the Video Editor package under the Eclipse Public License
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347 |
y = yb[1] + 8; |
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348 |
target[2] = (TUint8) ((gLookup[y] << 4) | bLookup[y]); |
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349 |
target[3] = rLookup[y]; |
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|
350 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
351 |
// Lower left: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
352 |
y = yb2[0] + 12; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
353 |
target2[0] = (TUint8) ((gLookup[y] << 4) | bLookup[y]); |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
354 |
target2[1] = rLookup[y]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
355 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
356 |
// Lower right: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
357 |
y = yb2[1] + 4; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
358 |
target2[2] = (TUint8) ((gLookup[y] << 4) | bLookup[y]); |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
359 |
target2[3] = rLookup[y]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
360 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
361 |
// Next two pixels: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
362 |
target += 4; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
363 |
target2 += 4; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
364 |
yb += 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
365 |
yb2 += 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
366 |
aUBuf++; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
367 |
aVBuf++; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
368 |
cols -= 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
369 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
370 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
371 |
// Next rows |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
372 |
rows -= 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
373 |
aYBuf += 2*aBufWidth; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
374 |
aUBuf += (aBufWidth - iWidth)/2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
375 |
aVBuf += (aBufWidth - iWidth)/2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
376 |
aTarget += 2*aTargetScanlineLength; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
377 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
378 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
379 |
else |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
380 |
{ |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
381 |
// No chrominance given, do a luminance-only conversion |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
382 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
383 |
// Convert all rows, two at a time |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
384 |
while ( rows ) |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
385 |
{ |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
386 |
// Convert all pixels in this row, two at a time |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
387 |
cols = iWidth; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
388 |
target = aTarget; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
389 |
target2 = aTarget + aTargetScanlineLength; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
390 |
yb = aYBuf; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
391 |
yb2 = aYBuf + aBufWidth; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
392 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
393 |
while ( cols ) |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
394 |
{ |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
395 |
// Upper left: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
396 |
val = rgbLookup[yb[0]]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
397 |
target[0] = (TUint8) ((val << 4) | val); |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
398 |
target[1] = val; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
399 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
400 |
// Upper right: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
401 |
val = rgbLookup[yb[1] + 8]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
402 |
target[2] = (TUint8) ((val << 4) | val); |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
403 |
target[3] = val; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
404 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
405 |
// Lower left: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
406 |
val = rgbLookup[yb[0] + 12]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
407 |
target2[0] = (TUint8) ((val << 4) | val); |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
408 |
target2[1] = val; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
409 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
410 |
// Lower right: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
411 |
val = rgbLookup[yb[1] + 4]; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
412 |
target2[2] = (TUint8) ((val << 4) | val); |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
413 |
target2[3] = val; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
414 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
415 |
// Next two pixels: |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
416 |
target += 4; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
417 |
target2 += 4; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
418 |
yb += 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
419 |
yb2 += 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
420 |
cols -= 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
421 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
422 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
423 |
// Next row |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
424 |
rows -= 2; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
425 |
aYBuf += aBufWidth; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
426 |
aTarget += aTargetScanlineLength; |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
427 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
428 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
429 |
} |
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
430 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
431 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
432 |
|
951a5db380a0
Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
parents:
diff
changeset
|
433 |
// End of File |