--- a/videoeditorengine/h263decoder/src/decblock.cpp Fri Jan 29 14:08:33 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,184 +0,0 @@
-/*
-* Copyright (c) 2010 Ixonos Plc.
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - Initial contribution
-*
-* Contributors:
-* Ixonos Plc
-*
-* Description:
-* Block decoding functions.
-*
-*/
-
-
-
-#include "h263dConfig.h"
-
-#include "decblock.h"
-#include "blkfunc.h"
-#include "viddemux.h"
-#include "idct.h"
-
-
-/* {{-output"dblfree.txt"}} */
-/*
- * dblFree
- *
- *
- * Parameters:
- * None.
- *
- * Function:
- * This function deinitializes the module.
- * Any functions of this module must not be called after dblFree (except
- * for dblLoad).
- *
- * Returns:
- * >= 0 if succeeded
- * < 0 if failed
- *
- */
-
-int dblFree(void)
-/* {{-output"dblfree.txt"}} */
-{
- return 0;
-}
-
-
-/* {{-output"dblload.txt"}} */
-/*
- * dblLoad
- *
- *
- * Parameters:
- * None.
- *
- * Function:
- * This function initializes the module.
- * dblLoad has to be called before any other function of this module
- * is used.
- *
- * Returns:
- * >= 0 if succeeded
- * < 0 if failed
- *
- */
-
-int dblLoad(void)
-/* {{-output"dblload.txt"}} */
-{
- return 0;
-}
-
-
-/* {{-output"dblIdctAndDequant.txt"}} */
-/*
- * dblIdctAndDequant
- *
- * Parameters:
- * block block array (length 64)
- * quant quantization information
- * skip must be 1 if INTRADC is in the block, otherwise 0
- *
- * Function:
- * This function makes the dequantization, the clipping and the inverse
- * cosine transform for the given block.
- *
- * Returns:
- * Nothing.
- *
- * Error codes:
- * None.
- *
- */
-
-void dblIdctAndDequant(int *block, int quant, int skip)
-/* {{-output"dblIdctAndDequant.txt"}} */
-{
-
- int rec, i, *tmpBlock, level;
-
- /* See section 6.2.1 of H.263 Recommendation for Inverse Quantization
- formulas. */
-
- /* If odd quantization parameter */
- if (quant & 1) {
-
- for (i = 64 - skip, tmpBlock = block + skip; i; i--, tmpBlock++) {
-
- if (!(*tmpBlock))
- continue;
-
- level = *tmpBlock;
-
- if (level > 0) {
- rec = quant * ((level << 1) + 1);
- *tmpBlock = (rec < 2048) ? rec : 2047;
- }
-
- else {
- rec = -(quant * (((-level) << 1) + 1));
- *tmpBlock = (rec < -2048) ? -2048 : rec;
- }
- }
- }
-
- /* Else even quantization parameter */
- else {
-
- /* For loop copy-pasted from the previous case due to speed
- optimization */
- for (i = 64 - skip, tmpBlock = block + skip; i; i--, tmpBlock++) {
-
- if (!(*tmpBlock))
- continue;
-
- level = *tmpBlock;
-
- if (level > 0) {
- rec = quant * ((level << 1) + 1) - 1;
- *tmpBlock = (rec < 2048) ? rec : 2047;
- }
-
- else {
- rec = -(quant * (((-level) << 1) + 1) - 1);
- *tmpBlock = (rec < -2048) ? -2048 : rec;
- }
- }
- }
- idct(block);
-}
-
-
-/*
- * dblIdct
- *
- * Parameters:
- * block block array (length 64)
- *
- * Function:
- * This function makes the inverse
- * cosine transform for the given block.
- *
- * Returns:
- * Nothing.
- *
- * Error codes:
- * None.
- *
- */
-
-void dblIdct(int *block)
-
-{
- idct(block);
-}
-// End of File