diff -r 000000000000 -r 951a5db380a0 videoeditorengine/avcedit/src/motcomp.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/videoeditorengine/avcedit/src/motcomp.cpp Fri Jan 29 14:08:33 2010 +0200 @@ -0,0 +1,100 @@ +/* +* 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: +* +*/ + + +#ifdef CHECK_MV_RANGE +#include +#endif + +#include "globals.h" +#include "motcomp.h" +#include "framebuffer.h" + +#if defined(USE_CLIPBUF) && !defined(AVC_MOTION_COMP_ASM) +#include "clipbuf.h" +#endif + + +#define ONEFOURTH1 20 +#define ONEFOURTH2 -5 +#define ONEFOURTH3 1 + + +static const int numModeMotVecs[MOT_NUM_MODES+1] = { + 0, 1, 2, 2, 4, 8, 8, 16 +}; + +static const int numModeMotVecs8x8[4] = { + 1, 2, 2, 4 +}; + +/* +static const int blockShapes[][2] = { + {4, 4}, + {4, 2}, + {2, 4}, + {2, 2} +}; + +static const int blockShapes8x8[][2] = { + {2, 2}, + {2, 1}, + {1, 2}, + {1, 1} +}; +*/ + + +#ifdef CHECK_MV_RANGE +extern int maxVerticalMvRange; +#endif + + +/* + * + * mcpGetNumMotVecs: + * + * Parameters: + * mode MB partition type (16x16, 8x16, 16x8, 8x8) + * subMbTypes Sub-MB partition types (8x8, 4x8, 8x4, 4x4) + * + * Function: + * Get the number of motion vectors that need to be decoded for given + * MB type and Sub-MB partition types. + * + * Returns: + * Number of motion vectors. + * + */ +int mcpGetNumMotVecs(int interMode, int subMbTypes[4]) +{ + int numVecs; + + if (interMode < MOT_8x8) + numVecs = numModeMotVecs[interMode]; + else { + numVecs = numModeMotVecs8x8[subMbTypes[0]]; + numVecs += numModeMotVecs8x8[subMbTypes[1]]; + numVecs += numModeMotVecs8x8[subMbTypes[2]]; + numVecs += numModeMotVecs8x8[subMbTypes[3]]; + } + + return numVecs; +} + +