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Diffstat (limited to 'third_party/aom/av1/common/odintrin.h')
| -rw-r--r-- | third_party/aom/av1/common/odintrin.h | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/odintrin.h b/third_party/aom/av1/common/odintrin.h new file mode 100644 index 000000000..fe99d8003 --- /dev/null +++ b/third_party/aom/av1/common/odintrin.h @@ -0,0 +1,267 @@ +/* + * Copyright (c) 2001-2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +/* clang-format off */ + +#ifndef AV1_COMMON_ODINTRIN_H_ +#define AV1_COMMON_ODINTRIN_H_ + +#include <math.h> +#include <stdlib.h> +#include <string.h> + +#include "aom/aom_integer.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_ports/bitops.h" +#include "av1/common/enums.h" + +#ifdef __cplusplus +extern "C" { +#endif + +# if !defined(M_PI) +# define M_PI (3.1415926535897932384626433832795) +# endif + +# if !defined(M_SQRT2) +# define M_SQRT2 (1.41421356237309504880168872420970) +# endif + +# if !defined(M_SQRT1_2) +# define M_SQRT1_2 (0.70710678118654752440084436210485) +# endif + +# if !defined(M_LOG2E) +# define M_LOG2E (1.4426950408889634073599246810019) +# endif + +# if !defined(M_LN2) +# define M_LN2 (0.69314718055994530941723212145818) +# endif + +/*Smallest blocks are 4x4*/ +#define OD_LOG_BSIZE0 (2) +/*There are 5 block sizes total (4x4, 8x8, 16x16, 32x32 and 64x64).*/ +#define OD_NBSIZES (5) + +/*There are 4 transform sizes total in AV1 (4x4, 8x8, 16x16 and 32x32).*/ +#define OD_TXSIZES TX_SIZES +/*The log of the maximum length of the side of a transform.*/ +#define OD_LOG_TXSIZE_MAX (OD_LOG_BSIZE0 + OD_TXSIZES - 1) +/*The maximum length of the side of a transform.*/ +#define OD_TXSIZE_MAX (1 << OD_LOG_TXSIZE_MAX) + +/**The maximum number of color planes allowed in a single frame.*/ +# define OD_NPLANES_MAX (3) + +# define OD_COEFF_SHIFT (4) + +# define OD_DISABLE_CFL (1) +# define OD_DISABLE_FILTER (1) + +#if !defined(NDEBUG) +# define OD_ENABLE_ASSERTIONS (1) +#endif + +# define OD_LOG(a) +# define OD_LOG_PARTIAL(a) + +/*Possible block sizes, note that OD_BLOCK_NXN = log2(N) - 2.*/ +#define OD_BLOCK_4X4 (0) +#define OD_BLOCK_8X8 (1) +#define OD_BLOCK_16X16 (2) +#define OD_BLOCK_32X32 (3) +#define OD_BLOCK_SIZES (OD_BLOCK_32X32 + 1) + +# define OD_LIMIT_BSIZE_MIN (OD_BLOCK_4X4) +# define OD_LIMIT_BSIZE_MAX (OD_BLOCK_32X32) + +typedef int od_coeff; + +#define OD_DIVU_DMAX (1024) + +extern uint32_t OD_DIVU_SMALL_CONSTS[OD_DIVU_DMAX][2]; + +/*Translate unsigned division by small divisors into multiplications.*/ +#define OD_DIVU_SMALL(_x, _d) \ + ((uint32_t)((OD_DIVU_SMALL_CONSTS[(_d)-1][0] * (uint64_t)(_x) + \ + OD_DIVU_SMALL_CONSTS[(_d)-1][1]) >> \ + 32) >> \ + (OD_ILOG_NZ(_d) - 1)) + +#define OD_DIVU(_x, _d) \ + (((_d) < OD_DIVU_DMAX) ? (OD_DIVU_SMALL((_x), (_d))) : ((_x) / (_d))) + +#define OD_MINI AOMMIN +#define OD_MAXI AOMMAX +#define OD_CLAMPI(min, val, max) (OD_MAXI(min, OD_MINI(val, max))) + +#define OD_CLZ0 (1) +#define OD_CLZ(x) (-get_msb(x)) +#define OD_ILOG_NZ(x) (OD_CLZ0 - OD_CLZ(x)) +/*Note that __builtin_clz is not defined when x == 0, according to the gcc + documentation (and that of the x86 BSR instruction that implements it), so + we have to special-case it. + We define a special version of the macro to use when x can be zero.*/ +#define OD_ILOG(x) ((x) ? OD_ILOG_NZ(x) : 0) + +#define OD_LOG2(x) (M_LOG2E*log(x)) +#define OD_EXP2(x) (exp(M_LN2*(x))) + +/*Enable special features for gcc and compatible compilers.*/ +#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__) +#define OD_GNUC_PREREQ(maj, min, pat) \ + ((__GNUC__ << 16) + (__GNUC_MINOR__ << 8) + __GNUC_PATCHLEVEL__ >= \ + ((maj) << 16) + ((min) << 8) + pat) // NOLINT +#else +#define OD_GNUC_PREREQ(maj, min, pat) (0) +#endif + +#if OD_GNUC_PREREQ(3, 4, 0) +#define OD_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) +#else +#define OD_WARN_UNUSED_RESULT +#endif + +#if OD_GNUC_PREREQ(3, 4, 0) +#define OD_ARG_NONNULL(x) __attribute__((__nonnull__(x))) +#else +#define OD_ARG_NONNULL(x) +#endif + +#if defined(OD_ENABLE_ASSERTIONS) +#if OD_GNUC_PREREQ(2, 5, 0) +__attribute__((noreturn)) +#endif +void od_fatal_impl(const char *_str, const char *_file, int _line); + +#define OD_FATAL(_str) (od_fatal_impl(_str, __FILE__, __LINE__)) + +#define OD_ASSERT(_cond) \ + do { \ + if (!(_cond)) { \ + OD_FATAL("assertion failed: " #_cond); \ + } \ + } while (0) + +#define OD_ASSERT2(_cond, _message) \ + do { \ + if (!(_cond)) { \ + OD_FATAL("assertion failed: " #_cond "\n" _message); \ + } \ + } while (0) + +#define OD_ALWAYS_TRUE(_cond) OD_ASSERT(_cond) + +#else +#define OD_ASSERT(_cond) +#define OD_ASSERT2(_cond, _message) +#define OD_ALWAYS_TRUE(_cond) ((void)(_cond)) +#endif + +/** Copy n elements of memory from src to dst. The 0* term provides + compile-time type checking */ +#if !defined(OVERRIDE_OD_COPY) +#define OD_COPY(dst, src, n) \ + (memcpy((dst), (src), sizeof(*(dst)) * (n) + 0 * ((dst) - (src)))) +#endif + +/** Copy n elements of memory from src to dst, allowing overlapping regions. + The 0* term provides compile-time type checking */ +#if !defined(OVERRIDE_OD_MOVE) +# define OD_MOVE(dst, src, n) \ + (memmove((dst), (src), sizeof(*(dst))*(n) + 0*((dst) - (src)) )) +#endif + +/** Linkage will break without this if using a C++ compiler, and will issue + * warnings without this for a C compiler*/ +#if defined(__cplusplus) +# define OD_EXTERN extern +#else +# define OD_EXTERN +#endif + +/** Set n elements of dst to zero */ +#if !defined(OVERRIDE_OD_CLEAR) +# define OD_CLEAR(dst, n) (memset((dst), 0, sizeof(*(dst))*(n))) +#endif + +/** Silence unused parameter/variable warnings */ +# define OD_UNUSED(expr) (void)(expr) + +#if defined(OD_FLOAT_PVQ) +typedef double od_val16; +typedef double od_val32; +# define OD_QCONST32(x, bits) (x) +# define OD_ROUND16(x) (x) +# define OD_ROUND32(x) (x) +# define OD_SHL(x, shift) (x) +# define OD_SHR(x, shift) (x) +# define OD_SHR_ROUND(x, shift) (x) +# define OD_ABS(x) (fabs(x)) +# define OD_MULT16_16(a, b) ((a)*(b)) +# define OD_MULT16_32_Q16(a, b) ((a)*(b)) +#else +typedef int16_t od_val16; +typedef int32_t od_val32; +/** Compile-time conversion of float constant to 32-bit value */ +# define OD_QCONST32(x, bits) ((od_val32)(.5 + (x)*(((od_val32)1) << (bits)))) +# define OD_ROUND16(x) (int16_t)(floor(.5 + (x))) +# define OD_ROUND32(x) (int32_t)(floor(.5 + (x))) +/*Shift x left by shift*/ +# define OD_SHL(a, shift) ((int32_t)((uint32_t)(a) << (shift))) +/*Shift x right by shift (without rounding)*/ +# define OD_SHR(x, shift) \ + ((int32_t)((x) >> (shift))) +/*Shift x right by shift (with rounding)*/ +# define OD_SHR_ROUND(x, shift) \ + ((int32_t)(((x) + (1 << (shift) >> 1)) >> (shift))) +/*Shift x right by shift (without rounding) or left by -shift if shift + is negative.*/ +# define OD_VSHR(x, shift) \ + (((shift) > 0) ? OD_SHR(x, shift) : OD_SHL(x, -(shift))) +/*Shift x right by shift (with rounding) or left by -shift if shift + is negative.*/ +# define OD_VSHR_ROUND(x, shift) \ + (((shift) > 0) ? OD_SHR_ROUND(x, shift) : OD_SHL(x, -(shift))) +# define OD_ABS(x) (abs(x)) +/* (od_val32)(od_val16) gives TI compiler a hint that it's 16x16->32 multiply */ +/** 16x16 multiplication where the result fits in 32 bits */ +# define OD_MULT16_16(a, b) \ + (((od_val32)(od_val16)(a))*((od_val32)(od_val16)(b))) +/* Multiplies 16-bit a by 32-bit b and keeps bits [16:47]. */ +# define OD_MULT16_32_Q16(a, b) ((int16_t)(a)*(int64_t)(int32_t)(b) >> 16) +/*16x16 multiplication where the result fits in 16 bits, without rounding.*/ +# define OD_MULT16_16_Q15(a, b) \ + (((int16_t)(a)*((int32_t)(int16_t)(b))) >> 15) +/*16x16 multiplication where the result fits in 16 bits, without rounding.*/ +# define OD_MULT16_16_Q16(a, b) \ + ((((int16_t)(a))*((int32_t)(int16_t)(b))) >> 16) +#endif + +/*All of these macros should expect floats as arguments.*/ +/*These two should compile as a single SSE instruction.*/ +# define OD_MINF(a, b) ((a) < (b) ? (a) : (b)) +# define OD_MAXF(a, b) ((a) > (b) ? (a) : (b)) + +# define OD_DIV_R0(x, y) (((x) + OD_FLIPSIGNI((((y) + 1) >> 1) - 1, (x)))/(y)) + +# define OD_SIGNMASK(a) (-((a) < 0)) +# define OD_FLIPSIGNI(a, b) (((a) + OD_SIGNMASK(b)) ^ OD_SIGNMASK(b)) + +# define OD_MULT16_16_Q15(a, b) \ + (((int16_t)(a)*((int32_t)(int16_t)(b))) >> 15) + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AV1_COMMON_ODINTRIN_H_ |