#ifndef GLOBAL_H_
#define GLOBAL_H_
/*****************************************************************************
* This file is part of Kvazaar HEVC encoder.
*
* Copyright (C) 2013-2015 Tampere University of Technology and others (see
* COPYING file).
*
* Kvazaar is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with Kvazaar. If not, see .
****************************************************************************/
/**
* \file
* Header that is included in every other header.
*
* This file contains global constants that can be referred to from any header
* or source file. It also contains some helper macros and includes stdint.h
* so that any file can refer to integer types with exact widths.
*/
#ifdef HAVE_CONFIG_H
// Include config.h generated by automake. This needs to be before any other
// includes in every file, which is why it's in global.
#include "config.h" // IWYU pragma: export
#endif
// Include some basics in all files, like assert, primitives and NULL.
// If you add anything to this list with export pragma, think long and
// and hard if it's actually a good idea to incude it for every c-file.
#include // IWYU pragma: export
#include // IWYU pragma: export
#include // IWYU pragma: export
#include // IWYU pragma: export
// The stdlib.h and string.h headers are needed because of MALLOC and FILL
// macros defined here, as IWYU will remove them from files that use only
// those macros.
#include
#include
/**
* \defgroup Bitstream
* HEVC bitstream coding
*
* \defgroup CABAC
* Context Adaptive Binary Arithmetic Encoder implementation
*
* \defgroup Compression
* Prediction parameter decisions and ratedistortion optimization
*
* \defgroup Control
* Initialization and control flow of the encoder
*
* \defgroup DataStructures
* Containers for images, predictions parameters and such
*
* \defgroup Extras
* 3rd party modules not considered part of the encoder.
*
* \defgroup Optimization
* Architecture dependant SIMD optimizations and dynamic dispatch mechanism
*
* \defgroup Reconstruction
* Stuff required for creating the resulting image after lossy compression
*
* \defgroup Threading
* Stuff related to multi-threading using pthreads
*/
#if defined(_MSC_VER) && defined(_M_AMD64)
#define X86_64
#endif
#if defined(__GNUC__) && defined(__x86_64__)
#define X86_64
#endif
#define PIXEL_MIN 0
#define PIXEL_MAX ((1 << KVZ_BIT_DEPTH) - 1)
typedef int16_t coeff_t;
//#define VERBOSE 1
/* CONFIG VARIABLES */
//spec: references to variables defined in Rec. ITU-T H.265 (04/2013)
//! Limits for prediction block sizes. 0 = 64x64, 4 = 4x4.
#define PU_DEPTH_INTER_MIN 0
#define PU_DEPTH_INTER_MAX 3
#define PU_DEPTH_INTRA_MIN 0
#define PU_DEPTH_INTRA_MAX 4
//! Maximum number of layers in GOP structure (for allocating structures)
#define MAX_GOP_LAYERS 6
//! Maximum CU depth when descending form LCU level.
//! spec: log2_diff_max_min_luma_coding_block_size
#define MAX_DEPTH 3
//! Minimum log2 size of CUs.
//! spec: MinCbLog2SizeY
#define MIN_SIZE 3
//! Minimum log2 size of PUs.
//! Search is started at depth 0 and goes in Z-order to MAX_PU_DEPTH, see search_cu()
#define MAX_PU_DEPTH 4
//! Minimum log2 transform sizes.
//! spec: max_transform_hierarchy_depth_inter
#define TR_DEPTH_INTER 2
//! spec: pcm_enabled_flag, Setting to 1 will enable using PCM blocks (current intra-search does not consider PCM)
#define ENABLE_PCM 0
//! skip residual coding when it's under _some_ threshold
#define OPTIMIZATION_SKIP_RESIDUAL_ON_THRESHOLD 0
/* END OF CONFIG VARIABLES */
//! pow(2, MIN_SIZE)
#define CU_MIN_SIZE_PIXELS (1 << MIN_SIZE)
//! spec: CtbSizeY
#define LCU_WIDTH (1 << (MIN_SIZE + MAX_DEPTH))
//! spec: CtbWidthC and CtbHeightC
#define LCU_WIDTH_C (LCU_WIDTH / 2)
//! spec: Log2MaxTrafoSize <= Min(CtbLog2SizeY, 5)
#define TR_MAX_LOG2_SIZE 5
#define TR_MAX_WIDTH (1 << TR_MAX_LOG2_SIZE)
//! spec: Log2MinTrafoSize
#define TR_MIN_LOG2_SIZE 2
#define TR_MIN_WIDTH (1 << TR_MIN_LOG2_SIZE)
#if LCU_WIDTH != 64
#error "Kvazaar only support LCU_WIDTH == 64"
#endif
#define LCU_LUMA_SIZE (LCU_WIDTH * LCU_WIDTH)
#define LCU_CHROMA_SIZE (LCU_WIDTH * LCU_WIDTH >> 2)
#define MAX_REF_PIC_COUNT 16
#define DEFAULT_REF_PIC_COUNT 3
#define AMVP_MAX_NUM_CANDS 2
#define AMVP_MAX_NUM_CANDS_MEM 3
#define MRG_MAX_NUM_CANDS 5
/* Some tools */
#define ABS(a) ((a) >= 0 ? (a) : (-a))
#define MAX(a,b) (((a)>(b))?(a):(b))
#define MIN(a,b) (((a)<(b))?(a):(b))
#define CLIP(low,high,value) MAX((low),MIN((high),(value)))
#define CLIP_TO_PIXEL(value) CLIP(0, PIXEL_MAX, (value))
#define SWAP(a,b,swaptype) { swaptype tempval; tempval = a; a = b; b = tempval; }
#define CU_WIDTH_FROM_DEPTH(depth) (LCU_WIDTH >> depth)
#define WITHIN(val, min_val, max_val) ((min_val) <= (val) && (val) <= (max_val))
#define CEILDIV(x,y) (((x) + (y) - 1) / (y))
#define LOG2_LCU_WIDTH 6
// CU_TO_PIXEL = y * lcu_width * pic_width + x * lcu_width
#define CU_TO_PIXEL(x, y, depth, stride) (((y) << (LOG2_LCU_WIDTH - (depth))) * (stride) \
+ ((x) << (LOG2_LCU_WIDTH - (depth))))
//#define SIGN3(x) ((x) > 0) ? +1 : ((x) == 0 ? 0 : -1)
#define SIGN3(x) (((x) > 0) - ((x) < 0))
#define QUOTE(x) #x
#define QUOTE_EXPAND(x) QUOTE(x)
// NOTE: When making a release, check to see if incrementing libversion in
// configure.ac is necessary.
#ifndef KVZ_VERSION
#define KVZ_VERSION 1.0.0
#endif
#define VERSION_STRING QUOTE_EXPAND(KVZ_VERSION)
//#define VERBOSE 1
#define SAO_ABS_OFFSET_MAX ((1 << (MIN(KVZ_BIT_DEPTH, 10) - 5)) - 1)
#define MAX_TILES_PER_DIM 48
#define MAX_SLICES 16
/* Inlining functions */
#ifdef _MSC_VER /* Visual studio */
#define INLINE __forceinline
#pragma inline_recursion(on)
#else /* others */
#define INLINE inline
#endif
// Return the next aligned address for *p. Result is at most alignment larger than p.
#define ALIGNED_POINTER(p, alignment) (void*)((intptr_t)(p) + (alignment) - ((intptr_t)(p) % (alignment)))
// 32 bytes is enough for AVX2
#define SIMD_ALIGNMENT 32
#ifdef _MSC_VER
// Buggy VS2010 throws intellisense warnings if void* is not casted.
#define MALLOC(type, num) (type *)malloc(sizeof(type) * (num))
#else
#define MALLOC(type, num) malloc(sizeof(type) * (num))
#endif
// Use memset through FILL and FILL_ARRAY when appropriate, such as when
// initializing whole structures or arrays. It's still ok to use memset
// directly when doing something more complicated.
// Fill a structure or a static array with val bytes.
#define FILL(var, val) memset(&(var), (val), sizeof(var))
// Fill a number of elements in an array with val bytes.
#define FILL_ARRAY(ar, val, size) memset((ar), (val), (size) * sizeof(*(ar)))
#define FREE_POINTER(pointer) { free((void*)pointer); pointer = NULL; }
#define MOVE_POINTER(dst_pointer,src_pointer) { dst_pointer = src_pointer; src_pointer = NULL; }
#ifndef MAX_INT
#define MAX_INT 0x7FFFFFFF
#endif
#ifndef MAX_INT64
#define MAX_INT64 0x7FFFFFFFFFFFFFFFLL
#endif
#ifndef MAX_DOUBLE
#define MAX_DOUBLE 1.7e+308
#endif
//For transform.h and encoder.h
#define SCALING_LIST_4x4 0
#define SCALING_LIST_8x8 1
#define SCALING_LIST_16x16 2
#define SCALING_LIST_32x32 3
#define SCALING_LIST_SIZE_NUM 4
#define SCALING_LIST_NUM 6
#define MAX_MATRIX_COEF_NUM 64
#define SCALING_LIST_REM_NUM 6
#define MAX_TR_DYNAMIC_RANGE 15
#define EXP_GOLOMB_TABLE_SIZE (4096*8)
//Constants
typedef enum { COLOR_Y = 0, COLOR_U, COLOR_V } color_t;
// Hardware data (abstraction of defines). Extend for other compilers
#if defined(_M_IX86) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(_M_X64) || defined(_M_AMD64) || defined(__amd64__) || defined(__x86_64__)
# define COMPILE_INTEL 1
#else
# define COMPILE_INTEL 0
#endif
// Visual Studio note:
// Because these macros are only used to guard code that is guarded by CPUID
// at runtime, use /arch parameter to disable them, but enable all intrinsics
// supported by VisualStudio if SSE2 (highest) is enabled.
// AVX and AVX2 are handled by /arch directly and sse intrinsics will use VEX
// versions if they are defined.
#define MSC_X86_SIMD(level) (_M_X64 || (_M_IX86_FP >= (level)))
#if COMPILE_INTEL
# if defined(__MMX__) || MSC_X86_SIMD(1)
# define COMPILE_INTEL_MMX 1
# endif
# if defined(__SSE__) || MSC_X86_SIMD(1)
# define COMPILE_INTEL_SSE 1
# endif
# if defined(__SSE2__) || MSC_X86_SIMD(2)
# define COMPILE_INTEL_SSE2 1
# endif
# if defined(__SSE3__)
# define COMPILE_INTEL_SSE3 1
# endif
# if defined(__SSSE3__) || MSC_X86_SIMD(2)
# define COMPILE_INTEL_SSSE3 1
# endif
# if defined(__SSE4_1__) || MSC_X86_SIMD(2)
# define COMPILE_INTEL_SSE41 1
# endif
# if defined(__SSE4_2__) || MSC_X86_SIMD(2)
# define COMPILE_INTEL_SSE42 1
# endif
# if defined(__AVX__)
# define COMPILE_INTEL_AVX 1
# endif
# if defined(__AVX2__)
# define COMPILE_INTEL_AVX2 1
# endif
#endif
#if defined (_M_PPC) || defined(__powerpc64__) || defined(__powerpc__)
# define COMPILE_POWERPC 1
# ifdef __ALTIVEC__
# define COMPILE_POWERPC_ALTIVEC 1
# else
# define COMPILE_POWERPC_ALTIVEC 0
# endif
#else
# define COMPILE_POWERPC 0
#endif
#if defined (_M_ARM) || defined(__arm__) || defined(__thumb__)
# define COMPILE_ARM 1
#else
# define COMPILE_ARM 0
#endif
#endif