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https://github.com/ultravideo/uvg266.git
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713e694d82
Fixes redefinition of timespec that Pthreads-Win32 does even if it has been already defined.
351 lines
11 KiB
C
351 lines
11 KiB
C
#ifndef GLOBAL_H_
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#define GLOBAL_H_
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/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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/**
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* \file
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* Header that is included in every other header.
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*
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* This file contains global constants that can be referred to from any header
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* or source file. It also contains some helper macros and includes stdint.h
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* so that any file can refer to integer types with exact widths.
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*/
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#ifdef HAVE_CONFIG_H
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// Include config.h generated by automake. This needs to be before any other
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// includes in every file, which is why it's in global.
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#include "config.h" // IWYU pragma: export
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#endif
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// Include some basics in all files, like assert, primitives and NULL.
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// If you add anything to this list with export pragma, think long and
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// and hard if it's actually a good idea to incude it for every c-file.
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#include <assert.h> // IWYU pragma: export
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#include <stdbool.h> // IWYU pragma: export
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#include <stdint.h> // IWYU pragma: export
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#include <stddef.h> // IWYU pragma: export
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// The stdlib.h and string.h headers are needed because of MALLOC and FILL
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// macros defined here, as IWYU will remove them from files that use only
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// those macros.
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#include <stdlib.h>
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#include <string.h>
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/**
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* \defgroup Bitstream
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* HEVC bitstream coding
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*
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* \defgroup CABAC
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* Context Adaptive Binary Arithmetic Encoder implementation
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*
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* \defgroup Compression
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* Prediction parameter decisions and ratedistortion optimization
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*
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* \defgroup Control
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* Initialization and control flow of the encoder
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*
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* \defgroup DataStructures
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* Containers for images, predictions parameters and such
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*
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* \defgroup Extras
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* 3rd party modules not considered part of the encoder.
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*
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* \defgroup Optimization
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* Architecture dependant SIMD optimizations and dynamic dispatch mechanism
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*
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* \defgroup Reconstruction
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* Stuff required for creating the resulting image after lossy compression
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*
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* \defgroup Threading
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* Stuff related to multi-threading using pthreads
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*/
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// Pthreads-win32 tries to define timespec even if it has already been defined.
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// In Visual Studio 2015 timespec is defined in time.h so we may need to define
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// HAVE_STRUCT_TIMESPEC.
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#if _MSC_VER >= 1900 && !defined(HAVE_STRUCT_TIMESPEC)
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# define HAVE_STRUCT_TIMESPEC
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#endif
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#if defined(_MSC_VER) && defined(_M_AMD64)
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#define X86_64
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#endif
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#if defined(__GNUC__) && defined(__x86_64__)
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#define X86_64
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#endif
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#define PIXEL_MIN 0
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#define PIXEL_MAX ((1 << KVZ_BIT_DEPTH) - 1)
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typedef int16_t coeff_t;
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//#define VERBOSE 1
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/* CONFIG VARIABLES */
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//spec: references to variables defined in Rec. ITU-T H.265 (04/2013)
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//! Limits for prediction block sizes. 0 = 64x64, 4 = 4x4.
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#define PU_DEPTH_INTER_MIN 0
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#define PU_DEPTH_INTER_MAX 3
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#define PU_DEPTH_INTRA_MIN 0
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#define PU_DEPTH_INTRA_MAX 4
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//! Maximum number of layers in GOP structure (for allocating structures)
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#define MAX_GOP_LAYERS 6
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//! Maximum CU depth when descending form LCU level.
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//! spec: log2_diff_max_min_luma_coding_block_size
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#define MAX_DEPTH 3
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//! Minimum log2 size of CUs.
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//! spec: MinCbLog2SizeY
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#define MIN_SIZE 3
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//! Minimum log2 size of PUs.
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//! Search is started at depth 0 and goes in Z-order to MAX_PU_DEPTH, see search_cu()
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#define MAX_PU_DEPTH 4
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//! spec: pcm_enabled_flag, Setting to 1 will enable using PCM blocks (current intra-search does not consider PCM)
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#define ENABLE_PCM 0
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//! skip residual coding when it's under _some_ threshold
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#define OPTIMIZATION_SKIP_RESIDUAL_ON_THRESHOLD 0
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/* END OF CONFIG VARIABLES */
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//! pow(2, MIN_SIZE)
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#define CU_MIN_SIZE_PIXELS (1 << MIN_SIZE)
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//! spec: CtbSizeY
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#define LCU_WIDTH (1 << (MIN_SIZE + MAX_DEPTH))
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//! spec: CtbWidthC and CtbHeightC
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#define LCU_WIDTH_C (LCU_WIDTH / 2)
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//! spec: Log2MaxTrafoSize <= Min(CtbLog2SizeY, 5)
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#define TR_MAX_LOG2_SIZE 5
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#define TR_MAX_WIDTH (1 << TR_MAX_LOG2_SIZE)
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//! spec: Log2MinTrafoSize
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#define TR_MIN_LOG2_SIZE 2
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#define TR_MIN_WIDTH (1 << TR_MIN_LOG2_SIZE)
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#if LCU_WIDTH != 64
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#error "Kvazaar only support LCU_WIDTH == 64"
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#endif
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#define LCU_LUMA_SIZE (LCU_WIDTH * LCU_WIDTH)
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#define LCU_CHROMA_SIZE (LCU_WIDTH * LCU_WIDTH >> 2)
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/**
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* \brief Number of pixels to delay deblocking.
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*
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* Number of pixels at the bottom and right side of the LCU that are not
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* deblocked until when filtering the neighboring LCU. The last four chroma
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* pixels of the horizontal edges within the LCU are deblocked with the LCU
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* to the right. Therefore, DEBLOCK_DELAY_PX is set to 8 pixels.
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*/
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#define DEBLOCK_DELAY_PX 8
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/**
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* \brief Number of pixels to delay SAO in horizontal and vertical
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* directions.
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*
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* Number of pixels at the bottom and right side of the LCU that are not
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* filtered with SAO until when filtering the neighboring LCU. SAO
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* reconstruction requires that a one pixels border has been deblocked for
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* both luma and chroma. Therefore, SAO_DELAY_PX is set to
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* DEBLOCK_DELAY_PX + 2.
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*/
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#define SAO_DELAY_PX (DEBLOCK_DELAY_PX + 2)
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#define MAX_REF_PIC_COUNT 16
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#define AMVP_MAX_NUM_CANDS 2
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#define AMVP_MAX_NUM_CANDS_MEM 3
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#define MRG_MAX_NUM_CANDS 5
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/* Some tools */
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#define ABS(a) ((a) >= 0 ? (a) : (-a))
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#define MAX(a,b) (((a)>(b))?(a):(b))
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#define MIN(a,b) (((a)<(b))?(a):(b))
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#define CLIP(low,high,value) MAX((low),MIN((high),(value)))
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#define CLIP_TO_PIXEL(value) CLIP(0, PIXEL_MAX, (value))
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#define CLIP_TO_QP(value) CLIP(0, 51, (value))
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#define SWAP(a,b,swaptype) { swaptype tempval; tempval = a; a = b; b = tempval; }
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#define CU_WIDTH_FROM_DEPTH(depth) (LCU_WIDTH >> depth)
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#define WITHIN(val, min_val, max_val) ((min_val) <= (val) && (val) <= (max_val))
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#define CEILDIV(x,y) (((x) + (y) - 1) / (y))
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#define LOG2_LCU_WIDTH 6
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// CU_TO_PIXEL = y * lcu_width * pic_width + x * lcu_width
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#define CU_TO_PIXEL(x, y, depth, stride) (((y) << (LOG2_LCU_WIDTH - (depth))) * (stride) \
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+ ((x) << (LOG2_LCU_WIDTH - (depth))))
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//#define SIGN3(x) ((x) > 0) ? +1 : ((x) == 0 ? 0 : -1)
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#define SIGN3(x) (((x) > 0) - ((x) < 0))
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#define QUOTE(x) #x
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#define QUOTE_EXPAND(x) QUOTE(x)
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// NOTE: When making a release, check to see if incrementing libversion in
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// configure.ac is necessary.
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#ifndef KVZ_VERSION
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#define KVZ_VERSION 1.2.0
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#endif
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#define VERSION_STRING QUOTE_EXPAND(KVZ_VERSION)
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//#define VERBOSE 1
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#define SAO_ABS_OFFSET_MAX ((1 << (MIN(KVZ_BIT_DEPTH, 10) - 5)) - 1)
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#define MAX_TILES_PER_DIM 48
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#define MAX_SLICES 16
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/* Inlining functions */
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#ifdef _MSC_VER /* Visual studio */
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#define INLINE __forceinline
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#pragma inline_recursion(on)
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#else /* others */
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#define INLINE inline
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#endif
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// Return the next aligned address for *p. Result is at most alignment larger than p.
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#define ALIGNED_POINTER(p, alignment) (void*)((intptr_t)(p) + (alignment) - ((intptr_t)(p) % (alignment)))
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// 32 bytes is enough for AVX2
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#define SIMD_ALIGNMENT 32
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#ifdef _MSC_VER
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#define ALIGNED(alignment) __declspec(align(alignment))
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#else
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#define ALIGNED(alignment) __attribute__((aligned (alignment)))
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#endif
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#ifdef _MSC_VER
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// Buggy VS2010 throws intellisense warnings if void* is not casted.
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#define MALLOC(type, num) (type *)malloc(sizeof(type) * (num))
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#else
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#define MALLOC(type, num) malloc(sizeof(type) * (num))
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#endif
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// Use memset through FILL and FILL_ARRAY when appropriate, such as when
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// initializing whole structures or arrays. It's still ok to use memset
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// directly when doing something more complicated.
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// Fill a structure or a static array with val bytes.
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#define FILL(var, val) memset(&(var), (val), sizeof(var))
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// Fill a number of elements in an array with val bytes.
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#define FILL_ARRAY(ar, val, size) \
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{\
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void *temp_ptr = (void*)(ar);\
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memset((temp_ptr), (val), (size) * sizeof(*(ar)));\
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}
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#define FREE_POINTER(pointer) { free((void*)pointer); pointer = NULL; }
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#define MOVE_POINTER(dst_pointer,src_pointer) { dst_pointer = src_pointer; src_pointer = NULL; }
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#ifndef MAX_INT
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#define MAX_INT 0x7FFFFFFF
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#endif
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#ifndef MAX_INT64
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#define MAX_INT64 0x7FFFFFFFFFFFFFFFLL
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#endif
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#ifndef MAX_DOUBLE
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#define MAX_DOUBLE 1.7e+308
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#endif
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//For transform.h and encoder.h
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#define SCALING_LIST_4x4 0
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#define SCALING_LIST_8x8 1
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#define SCALING_LIST_16x16 2
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#define SCALING_LIST_32x32 3
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#define SCALING_LIST_SIZE_NUM 4
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#define SCALING_LIST_NUM 6
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#define MAX_MATRIX_COEF_NUM 64
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#define SCALING_LIST_REM_NUM 6
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#define MAX_TR_DYNAMIC_RANGE 15
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//Constants
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typedef enum { COLOR_Y = 0, COLOR_U, COLOR_V } color_t;
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// Hardware data (abstraction of defines). Extend for other compilers
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#if defined(_M_IX86) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(_M_X64) || defined(_M_AMD64) || defined(__amd64__) || defined(__x86_64__)
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# define COMPILE_INTEL 1
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#else
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# define COMPILE_INTEL 0
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#endif
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// Visual Studio note:
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// Because these macros are only used to guard code that is guarded by CPUID
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// at runtime, use /arch parameter to disable them, but enable all intrinsics
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// supported by VisualStudio if SSE2 (highest) is enabled.
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// AVX and AVX2 are handled by /arch directly and sse intrinsics will use VEX
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// versions if they are defined.
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#define MSC_X86_SIMD(level) (_M_X64 || (_M_IX86_FP >= (level)))
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#if COMPILE_INTEL
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# if defined(__MMX__) || MSC_X86_SIMD(1)
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# define COMPILE_INTEL_MMX 1
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# endif
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# if defined(__SSE__) || MSC_X86_SIMD(1)
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# define COMPILE_INTEL_SSE 1
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# endif
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# if defined(__SSE2__) || MSC_X86_SIMD(2)
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# define COMPILE_INTEL_SSE2 1
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# endif
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# if defined(__SSE3__)
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# define COMPILE_INTEL_SSE3 1
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# endif
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# if defined(__SSSE3__) || MSC_X86_SIMD(2)
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# define COMPILE_INTEL_SSSE3 1
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# endif
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# if defined(__SSE4_1__) || MSC_X86_SIMD(2)
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# define COMPILE_INTEL_SSE41 1
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# endif
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# if defined(__SSE4_2__) || MSC_X86_SIMD(2)
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# define COMPILE_INTEL_SSE42 1
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# endif
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# if defined(__AVX__)
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# define COMPILE_INTEL_AVX 1
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# endif
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# if defined(__AVX2__)
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# define COMPILE_INTEL_AVX2 1
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# endif
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#endif
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#if defined (_M_PPC) || defined(__powerpc64__) || defined(__powerpc__)
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# define COMPILE_POWERPC 1
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# ifdef __ALTIVEC__
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# define COMPILE_POWERPC_ALTIVEC 1
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# else
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# define COMPILE_POWERPC_ALTIVEC 0
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# endif
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#else
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# define COMPILE_POWERPC 0
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#endif
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#if defined (_M_ARM) || defined(__arm__) || defined(__thumb__)
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# define COMPILE_ARM 1
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#else
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# define COMPILE_ARM 0
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#endif
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#endif
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