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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 _PVDECDEF_H_
#define _PVDECDEF_H_
#include "mp4dec_api.h"
typedef enum
{
PV_SUCCESS,
PV_FAIL,
PV_MB_STUFFING, /* hit Macroblock_Stuffing */
PV_END_OF_VOP, /* hit End_of_Video_Object_Plane */
PV_END_OF_MB /* hit End_of_Macroblock */
#ifdef PV_TOLERATE_VOL_ERRORS
, PV_BAD_VOLHEADER
#endif
} PV_STATUS;
typedef uint8 PIXEL;
typedef int16 MOT; /* : "int" type runs faster on RISC machine */
#define TRUE 1
#define FALSE 0
#define PV_ABS(x) (((x)<0)? -(x) : (x))
#define PV_SIGN(x) (((x)<0)? -1 : 1)
#define PV_SIGN0(a) (((a)<0)? -1 : (((a)>0) ? 1 : 0))
#define PV_MAX(a,b) ((a)>(b)? (a):(b))
#define PV_MIN(a,b) ((a)<(b)? (a):(b))
#define PV_MEDIAN(A,B,C) ((A) > (B) ? ((A) < (C) ? (A) : (B) > (C) ? (B) : (C)): (B) < (C) ? (B) : (C) > (A) ? (C) : (A))
/* You don't want to use ((x>UB)?UB:(x<LB)?LB:x) for the clipping */
/* because it will use one extra comparison if the compiler is */
/* not well-optimized. 04/19/2000. */
#define CLIP_THE_RANGE(x,LB,UB) if (x<LB) x = LB; else if (x>UB) x = UB
#define MODE_INTRA 0x08 //01000
#define MODE_INTRA_Q 0x09 //01001
#define MODE_SKIPPED 0x10 //10000
#define MODE_INTER4V 0x14 //10100
#define MODE_INTER 0x16 //10110
#define MODE_INTER_Q 0x17 //10111
#define MODE_INTER4V_Q 0x15 //10101
#define INTER_1VMASK 0x2
#define Q_MASK 0x1
#define INTRA_MASK 0x8
#define INTER_MASK 0x4
#define I_VOP 0
#define P_VOP 1
#define B_VOP 2
#define LUMINANCE_DC_TYPE 1
#define CHROMINANCE_DC_TYPE 2
#define START_CODE_LENGTH 32
/* 11/30/98 */
#define NoMarkerFound -1
#define FoundRM 1 /* Resync Marker */
#define FoundVSC 2 /* VOP_START_CODE. */
#define FoundGSC 3 /* GROUP_START_CODE */
#define FoundEOB 4 /* EOB_CODE */
/* PacketVideo "absolution timestamp" object. 06/13/2000 */
#define PVTS_START_CODE 0x01C4
#define PVTS_START_CODE_LENGTH 32
/* session layer and vop layer start codes */
#define VISUAL_OBJECT_SEQUENCE_START_CODE 0x01B0
#define VISUAL_OBJECT_SEQUENCE_END_CODE 0x01B1
#define VISUAL_OBJECT_START_CODE 0x01B5
#define VO_START_CODE 0x8
#define VO_HEADER_LENGTH 32 /* lengtho of VO header: VO_START_CODE + VO_ID */
#define SOL_START_CODE 0x01BE
#define SOL_START_CODE_LENGTH 32
#define VOL_START_CODE 0x12
#define VOL_START_CODE_LENGTH 28
#define VOP_START_CODE 0x1B6
#define VOP_START_CODE_LENGTH 32
#define GROUP_START_CODE 0x01B3
#define GROUP_START_CODE_LENGTH 32
#define VOP_ID_CODE_LENGTH 5
#define VOP_TEMP_REF_CODE_LENGTH 16
#define USER_DATA_START_CODE 0x01B2
#define USER_DATA_START_CODE_LENGTH 32
#define START_CODE_PREFIX 0x01
#define START_CODE_PREFIX_LENGTH 24
#define SHORT_VIDEO_START_MARKER 0x20
#define SHORT_VIDEO_START_MARKER_LENGTH 22
#define SHORT_VIDEO_END_MARKER 0x3F
#define GOB_RESYNC_MARKER 0x01
#define GOB_RESYNC_MARKER_LENGTH 17
/* motion and resync markers used in error resilient mode */
#define DC_MARKER 438273
#define DC_MARKER_LENGTH 19
#define MOTION_MARKER_COMB 126977
#define MOTION_MARKER_COMB_LENGTH 17
#define MOTION_MARKER_SEP 81921
#define MOTION_MARKER_SEP_LENGTH 17
#define RESYNC_MARKER 1
#define RESYNC_MARKER_LENGTH 17
#define SPRITE_NOT_USED 0
#define STATIC_SPRITE 1
#define ONLINE_SPRITE 2
#define GMC_SPRITE 3
/* macroblock and block size */
#define MB_SIZE 16
#define NCOEFF_MB (MB_SIZE*MB_SIZE)
#define B_SIZE 8
#define NCOEFF_BLOCK (B_SIZE*B_SIZE)
#define NCOEFF_Y NCOEFF_MB
#define NCOEFF_U NCOEFF_BLOCK
#define NCOEFF_V NCOEFF_BLOCK
#define BLK_PER_MB 4 /* Number of blocks per MB */
/* VLC decoding related definitions */
#define VLC_ERROR (-1)
#define VLC_ESCAPE 7167
/* macro utility */
#define ZERO_OUT_64BYTES(x) { *((uint32*)x) = *(((uint32*)(x))+1) = \
*(((uint32*)(x))+2) = *(((uint32*)(x))+3) = \
*(((uint32*)(x))+4) = *(((uint32*)(x))+5) = \
*(((uint32*)(x))+6) = *(((uint32*)(x))+7) = \
*(((uint32*)(x))+8) = *(((uint32*)(x))+9) = \
*(((uint32*)(x))+10) = *(((uint32*)(x))+11) = \
*(((uint32*)(x))+12) = *(((uint32*)(x))+13) = \
*(((uint32*)(x))+14) = *(((uint32*)(x))+15) = 0; }
#endif /* _PVDECDEF_H_ */
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