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/* ------------------------------------------------------------------
* Copyright (C) 1998-2009 PacketVideo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef motion_comp_h
#define motion_comp_h
/*----------------------------------------------------------------------------
; INCLUDES
----------------------------------------------------------------------------*/
#include "mp4dec_lib.h"
/*----------------------------------------------------------------------------
; MACROS
; Define module specific macros here
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; DEFINES
; Include all pre-processor statements here.
----------------------------------------------------------------------------*/
/* CBP Mask defines used in chrominance prediction */
#define CBP_MASK_CHROMA_BLK4 0x2
#define CBP_MASK_CHROMA_BLK5 0x1
/* CBP Mask defines used in luminance prediction (MODE_INTER4V) */
#define CBP_MASK_BLK0_MODE_INTER4V 0x20
#define CBP_MASK_BLK1_MODE_INTER4V 0x10
#define CBP_MASK_BLK2_MODE_INTER4V 0x08
#define CBP_MASK_BLK3_MODE_INTER4V 0x04
/* CBP Mask defines used in luminance prediction (MODE_INTER or MODE_INTER_Q) */
#define CBP_MASK_MB_MODE_INTER 0x3c
/*----------------------------------------------------------------------------
; EXTERNAL VARIABLES REFERENCES
; Declare variables used in this module but defined elsewhere
----------------------------------------------------------------------------*/
#ifdef __cplusplus
extern "C"
{
#endif
#define CLIP_RESULT(x) if(x & -256){x = 0xFF & (~(x>>31));}
#define ADD_AND_CLIP1(x) x += (pred_word&0xFF); CLIP_RESULT(x);
#define ADD_AND_CLIP2(x) x += ((pred_word>>8)&0xFF); CLIP_RESULT(x);
#define ADD_AND_CLIP3(x) x += ((pred_word>>16)&0xFF); CLIP_RESULT(x);
#define ADD_AND_CLIP4(x) x += ((pred_word>>24)&0xFF); CLIP_RESULT(x);
#define ADD_AND_CLIP(x,y) { x9 = ~(x>>8); \
if(x9!=-1){ \
x9 = ((uint32)x9)>>24; \
y = x9|(y<<8); \
} \
else \
{ \
y = x|(y<<8); \
} \
}
static int (*const GetPredAdvBTable[2][2])(uint8*, uint8*, int, int) =
{
{&GetPredAdvancedBy0x0, &GetPredAdvancedBy0x1},
{&GetPredAdvancedBy1x0, &GetPredAdvancedBy1x1}
};
/*----------------------------------------------------------------------------
; SIMPLE TYPEDEF'S
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; ENUMERATED TYPEDEF'S
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; STRUCTURES TYPEDEF'S
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; GLOBAL FUNCTION DEFINITIONS
; Function Prototype declaration
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; END
----------------------------------------------------------------------------*/
#endif
#ifdef __cplusplus
}
#endif
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