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Diffstat (limited to 'media/libstagefright/codecs/m4v_h263/dec/src/motion_comp.h')
| -rw-r--r-- | media/libstagefright/codecs/m4v_h263/dec/src/motion_comp.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/m4v_h263/dec/src/motion_comp.h b/media/libstagefright/codecs/m4v_h263/dec/src/motion_comp.h new file mode 100644 index 0000000..0c12f20 --- /dev/null +++ b/media/libstagefright/codecs/m4v_h263/dec/src/motion_comp.h @@ -0,0 +1,108 @@ +/* ------------------------------------------------------------------ + * 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 + + + |