x265-common.h
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PPA和VTUNE
作用：兩個不能同時開啟，必須關(guān)閉一個
#if ENABLE_PPA && ENABLE_VTUNE
#error "PPA and VTUNE cannot both be enabled. Disable one of them."
#endif
#if ENABLE_PPA
#include "profile/PPA/ppa.h"
#define ProfileScopeEvent(x) PPAScopeEvent(x)
#define THREAD_NAME(n,i)
#define PROFILE_INIT() ? ? ? PPA_INIT()
#define PROFILE_PAUSE()
#define PROFILE_RESUME()
#elif ENABLE_VTUNE
#include "profile/vtune/vtune.h"
#define ProfileScopeEvent(x) VTuneScopeEvent _vtuneTask(x)
#define THREAD_NAME(n,i) ? ? vtuneSetThreadName(n, i)
#define PROFILE_INIT() ? ? ? vtuneInit()
#define PROFILE_PAUSE() ? ? ?__itt_pause()
#define PROFILE_RESUME() ? ? __itt_resume()
#else
#define ProfileScopeEvent(x)
#define THREAD_NAME(n,i)
#define PROFILE_INIT()
#define PROFILE_PAUSE()
#define PROFILE_RESUME()
#endif
#define FENC_STRIDE 64
#define NUM_INTRA_MODE 35
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GNU和MINGW32下的變量對齊方式
#if defined(__GNUC__)
#define ALIGN_VAR_4(T, var) ?T var __attribute__((aligned(4)))
#define ALIGN_VAR_8(T, var) ?T var __attribute__((aligned(8)))
#define ALIGN_VAR_16(T, var) T var __attribute__((aligned(16)))
#define ALIGN_VAR_32(T, var) T var __attribute__((aligned(32)))
#define ALIGN_VAR_64(T, var) T var __attribute__((aligned(64)))
#if defined(__MINGW32__)
#define fseeko fseeko64
#define ftello ftello64
#endif
#elif defined(_MSC_VER)
#define ALIGN_VAR_4(T, var) ?__declspec(align(4)) T var
#define ALIGN_VAR_8(T, var) ?__declspec(align(8)) T var
#define ALIGN_VAR_16(T, var) __declspec(align(16)) T var
#define ALIGN_VAR_32(T, var) __declspec(align(32)) T var
#define ALIGN_VAR_64(T, var) __declspec(align(64)) T var
#define fseeko _fseeki64
#define ftello _ftelli64
#endif // if defined(__GNUC__)
#if HAVE_INT_TYPES_H
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#define X265_LL "%" PRIu64
#else
#define X265_LL "%lld"
#endif
#if _DEBUG && defined(_MSC_VER)
#define DEBUG_BREAK() __debugbreak()
#elif __APPLE_CC__
#define DEBUG_BREAK() __builtin_trap()
#else
#define DEBUG_BREAK() abort()
#endif
編譯開啟CHECKD_BUILD時，執(zhí)行運行時檢查和打印任何fail的log，并輸入到文件中
/* If compiled with CHECKED_BUILD perform run-time checks and log any that
?* fail, both to stderr and to a file */
#if CHECKED_BUILD || _DEBUG
namespace X265_NS { extern int g_checkFailures; }
#define X265_CHECK(expr, ...) if (!(expr)) { \
? ? x265_log(NULL, X265_LOG_ERROR, __VA_ARGS__); \
? ? FILE *fp = fopen("x265_check_failures.txt", "a"); \
? ? if (fp) { fprintf(fp, "%s:%d\n", __FILE__, __LINE__); fprintf(fp, __VA_ARGS__); fclose(fp); } \
? ? g_checkFailures++; DEBUG_BREAK(); \
}
#if _MSC_VER
#pragma warning(disable: 4127) // some checks have constant conditions
#endif
#else
#define X265_CHECK(expr, ...)
#endif
高bit_depth和低bit_depth,分別定義pixel，sum_t,sum2_t, pixel4,ssum2_t
#if HIGH_BIT_DEPTH
typedef uint16_t pixel;
typedef uint32_t sum_t;
typedef uint64_t sum2_t;
typedef uint64_t pixel4;
typedef int64_t ?ssum2_t;
#else
typedef uint8_t ?pixel;
typedef uint16_t sum_t;
typedef uint32_t sum2_t;
typedef uint32_t pixel4;
typedef int32_t ?ssum2_t; // Signed sum
#endif // if HIGH_BIT_DEPTH
#if X265_DEPTH < 10
typedef uint32_t sse_t;
#else
typedef uint64_t sse_t;
#endif
#ifndef NULL
#define NULL 0
#endif
定義常用UINT/INT/INT64/DOUBLE最大值
#define MAX_UINT ? ? ? ?0xFFFFFFFFU // max. value of unsigned 32-bit integer
#define MAX_INT ? ? ? ? 2147483647 ?// max. value of signed 32-bit integer
#define MAX_INT64 ? ? ? 0x7FFFFFFFFFFFFFFFLL ?// max. value of signed 64-bit integer
#define MAX_DOUBLE ? ? ?1.7e+308 ? ?// max. value of double-type value
定義QP相關(guān)的常量
#define QP_MIN ? ? ? ? ?0
#define QP_MAX_SPEC ? ? 51 /* max allowed signaled QP in HEVC */
#define QP_MAX_MAX ? ? ?69 /* max allowed QP to be output by rate control */
#define MIN_QPSCALE ? ? 0.21249999999999999
#define MAX_MAX_QPSCALE 615.46574234477100
定義常用的函數(shù)
template<typename T>
inline T x265_min(T a, T b) { return a < b ? a : b; }
template<typename T>
inline T x265_max(T a, T b) { return a > b ? a : b; }
template<typename T>
inline T x265_clip3(T minVal, T maxVal, T a) { return x265_min(x265_max(minVal, a), maxVal); }
template<typename T> /* clip to pixel range, 0..255 or 0..1023 */
inline pixel x265_clip(T x) { return (pixel)x265_min<T>(T((1 << X265_DEPTH) - 1), x265_max<T>(T(0), x)); }
typedef int16_t ?coeff_t; ? ? ?// transform coefficient
#define X265_MIN(a, b) ((a) < (b) ? (a) : (b))
#define X265_MAX(a, b) ((a) > (b) ? (a) : (b))
#define COPY1_IF_LT(x, y) {if ((y) < (x)) (x) = (y);}
#define COPY2_IF_LT(x, y, a, b) \
? ? if ((y) < (x)) \
? ? { \
? ? ? ? (x) = (y); \
? ? ? ? (a) = (b); \
? ? }
#define COPY3_IF_LT(x, y, a, b, c, d) \
? ? if ((y) < (x)) \
? ? { \
? ? ? ? (x) = (y); \
? ? ? ? (a) = (b); \
? ? ? ? (c) = (d); \
? ? }
#define COPY4_IF_LT(x, y, a, b, c, d, e, f) \
? ? if ((y) < (x)) \
? ? { \
? ? ? ? (x) = (y); \
? ? ? ? (a) = (b); \
? ? ? ? (c) = (d); \
? ? ? ? (e) = (f); \
? ? }
#define X265_MIN3(a, b, c) X265_MIN((a), X265_MIN((b), (c)))
#define X265_MAX3(a, b, c) X265_MAX((a), X265_MAX((b), (c)))
#define X265_MIN4(a, b, c, d) X265_MIN((a), X265_MIN3((b), (c), (d)))
#define X265_MAX4(a, b, c, d) X265_MAX((a), X265_MAX3((b), (c), (d)))
QP相關(guān)的offset值，如果是8bit depth是0，如果是10bit depth是12
#define QP_BD_OFFSET (6 * (X265_DEPTH - 8))
#define MAX_CHROMA_LAMBDA_OFFSET 36
// arbitrary, but low because SATD scores are 1/4 normal
#define X265_LOOKAHEAD_QP (12 + QP_BD_OFFSET)
定義CU的size和bits
// Use the same size blocks as x264. ?Using larger blocks seems to give artificially
// high cost estimates (intra and inter both suffer)
#define X265_LOWRES_CU_SIZE ? 8
#define X265_LOWRES_CU_BITS ? 3
內(nèi)存分配的函數(shù)定義
#define X265_MALLOC(type, count) ? ?(type*)x265_malloc(sizeof(type) * (count))
#define X265_FREE(ptr) ? ? ? ? ? ? ?x265_free(ptr)
#define X265_FREE_ZERO(ptr) ? ? ? ? x265_free(ptr); (ptr) = NULL
#define CHECKED_MALLOC(var, type, count) \
? ? { \
? ? ? ? var = (type*)x265_malloc(sizeof(type) * (count)); \
? ? ? ? if (!var) \
? ? ? ? { \
? ? ? ? ? ? x265_log(NULL, X265_LOG_ERROR, "malloc of size %d failed\n", sizeof(type) * (count)); \
? ? ? ? ? ? goto fail; \
? ? ? ? } \
? ? }
#define CHECKED_MALLOC_ZERO(var, type, count) \
? ? { \
? ? ? ? var = (type*)x265_malloc(sizeof(type) * (count)); \
? ? ? ? if (var) \
? ? ? ? ? ? memset((void*)var, 0, sizeof(type) * (count)); \
? ? ? ? else \
? ? ? ? { \
? ? ? ? ? ? x265_log(NULL, X265_LOG_ERROR, "malloc of size %d failed\n", sizeof(type) * (count)); \
? ? ? ? ? ? goto fail; \
? ? ? ? } \
? ? }
定義LOG2F和LOG2的函數(shù)
#if defined(_MSC_VER)
#define X265_LOG2F(x) (logf((float)(x)) * 1.44269504088896405f)
#define X265_LOG2(x) (log((double)(x)) * 1.4426950408889640513713538072172)
#else
#define X265_LOG2F(x) log2f(x)
#define X265_LOG2(x) ?log2(x)
#endif
CU相關(guān)的常量
#define NUM_CU_DEPTH ? ? ? ? ? ?4 ? ? ? ? ? ? ? ? ? ? ? ? ? // maximum number of CU depths
#define NUM_FULL_DEPTH ? ? ? ? ?5 ? ? ? ? ? ? ? ? ? ? ? ? ? // maximum number of full depths
#define MIN_LOG2_CU_SIZE ? ? ? ?3 ? ? ? ? ? ? ? ? ? ? ? ? ? // log2(minCUSize)
#define MAX_LOG2_CU_SIZE ? ? ? ?6 ? ? ? ? ? ? ? ? ? ? ? ? ? // log2(maxCUSize)
#define MIN_CU_SIZE ? ? ? ? ? ? (1 << MIN_LOG2_CU_SIZE) ? ? // minimum allowable size of CU
#define MAX_CU_SIZE ? ? ? ? ? ? (1 << MAX_LOG2_CU_SIZE) ? ? // maximum allowable size of CU
#define LOG2_UNIT_SIZE ? ? ? ? ?2 ? ? ? ? ? ? ? ? ? ? ? ? ? // log2(unitSize)
#define UNIT_SIZE ? ? ? ? ? ? ? (1 << LOG2_UNIT_SIZE) ? ? ? // unit size of CU partition
這個定義了最大的劃分塊（4x4）
#define LOG2_RASTER_SIZE ? ? ? ?(MAX_LOG2_CU_SIZE - LOG2_UNIT_SIZE)
#define RASTER_SIZE ? ? ? ? ? ? (1 << LOG2_RASTER_SIZE)
#define MAX_NUM_PARTITIONS ? ? ?(RASTER_SIZE * RASTER_SIZE)
#define MIN_PU_SIZE ? ? ? ? ? ? 4
#define MIN_TU_SIZE ? ? ? ? ? ? 4
#define MAX_NUM_SPU_W ? ? ? ? ? (MAX_CU_SIZE / MIN_PU_SIZE) // maximum number of SPU in horizontal line
#define MAX_LOG2_TR_SIZE 5
#define MAX_LOG2_TS_SIZE 2 // TODO: RExt
#define MAX_TR_SIZE (1 << MAX_LOG2_TR_SIZE)
#define MAX_TS_SIZE (1 << MAX_LOG2_TS_SIZE)
編碼：
#define COEF_REMAIN_BIN_REDUCTION ? 3 // indicates the level at which the VLC
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? // transitions from Golomb-Rice to TU+EG(k)
#define SBH_THRESHOLD ? ? ? ? ? ? ? 4 // fixed sign bit hiding controlling threshold
#define C1FLAG_NUMBER ? ? ? ? ? ? ? 8 // maximum number of largerThan1 flag coded in one chunk: ?16 in HM5
#define C2FLAG_NUMBER ? ? ? ? ? ? ? 1 // maximum number of largerThan2 flag coded in one chunk: ?16 in HM5
#define SAO_ENCODING_RATE ? ? ? ? ? 0.75
#define SAO_ENCODING_RATE_CHROMA ? ?0.5
#define MLS_GRP_NUM ? ? ? ? ? ? ? ? 64 // Max number of coefficient groups, max(16, 64)
#define MLS_CG_SIZE ? ? ? ? ? ? ? ? 4 ?// Coefficient group size of 4x4
#define MLS_CG_BLK_SIZE ? ? ? ? ? ? (MLS_CG_SIZE * MLS_CG_SIZE)
#define MLS_CG_LOG2_SIZE ? ? ? ? ? ?2
#define QUANT_IQUANT_SHIFT ? ? ? ? ?20 // Q(QP%6) * IQ(QP%6) = 2^20
#define QUANT_SHIFT ? ? ? ? ? ? ? ? 14 // Q(4) = 2^14
#define SCALE_BITS ? ? ? ? ? ? ? ? ?15 // Inherited from TMuC, presumably for fractional bit estimates in RDOQ
#define MAX_TR_DYNAMIC_RANGE ? ? ? ?15 // Maximum transform dynamic range (excluding sign bit)
#define SHIFT_INV_1ST ? ? ? ? ? ? ? 7 ?// Shift after first inverse transform stage
#define SHIFT_INV_2ND ? ? ? ? ? ? ? 12 // Shift after second inverse transform stage
#define AMVP_DECIMATION_FACTOR ? ? ?4
#define SCAN_SET_SIZE ? ? ? ? ? ? ? 16
#define LOG2_SCAN_SET_SIZE ? ? ? ? ?4
#define ALL_IDX ? ? ? ? ? ? ? ? ? ? -1
#define PLANAR_IDX ? ? ? ? ? ? ? ? ?0
#define VER_IDX ? ? ? ? ? ? ? ? ? ? 26 // index for intra VERTICAL ? mode
#define HOR_IDX ? ? ? ? ? ? ? ? ? ? 10 // index for intra HORIZONTAL mode
#define DC_IDX ? ? ? ? ? ? ? ? ? ? ?1 ?// index for intra DC mode
#define NUM_CHROMA_MODE ? ? ? ? ? ? 5 ?// total number of chroma modes
#define DM_CHROMA_IDX ? ? ? ? ? ? ? 36 // chroma mode index for derived from luma intra mode
#define MDCS_ANGLE_LIMIT ? ? ? ? ? ?4 // distance from true angle that horiz or vertical scan is allowed
#define MDCS_LOG2_MAX_SIZE ? ? ? ? ?3 // TUs with log2 of size greater than this can only use diagonal scan
#define MAX_NUM_REF_PICS ? ? ? ? ? ?16 // max. number of pictures used for reference
#define MAX_NUM_REF ? ? ? ? ? ? ? ? 16 // max. number of entries in picture reference list
#define MAX_NUM_SHORT_TERM_RPS ? ? ?64 // max. number of short term reference picture set in SPS
#define REF_NOT_VALID ? ? ? ? ? ? ? -1
#define AMVP_NUM_CANDS ? ? ? ? ? ? ?2 // number of AMVP candidates
#define MRG_MAX_NUM_CANDS ? ? ? ? ? 5 // max number of final merge candidates
#define CHROMA_H_SHIFT(x) (x == X265_CSP_I420 || x == X265_CSP_I422)
#define CHROMA_V_SHIFT(x) (x == X265_CSP_I420)
#define X265_MAX_PRED_MODE_PER_CTU 85 * 2 * 8
#define MAX_NUM_TR_COEFFS ? ? ? ? ? MAX_TR_SIZE * MAX_TR_SIZE // Maximum number of transform coefficients, for a 32x32 transform
#define MAX_NUM_TR_CATEGORIES ? ? ? 16 ? ? ? ? ? ? ? ? ? ? ? ?// 32, 16, 8, 4 transform categories each for luma and chroma
#define PIXEL_MAX ((1 << X265_DEPTH) - 1)
#define INTEGRAL_PLANE_NUM ? ? ? ? ?12 // 12 integral planes for 32x32, 32x24, 32x8, 24x32, 16x16, 16x12, 16x4, 12x16, 8x32, 8x8, 4x16 and 4x4.
#define NAL_TYPE_OVERHEAD 2
#define START_CODE_OVERHEAD 3?
#define FILLER_OVERHEAD (NAL_TYPE_OVERHEAD + START_CODE_OVERHEAD + 1)
#define MAX_NUM_DYN_REFINE ? ? ? ? ?(NUM_CU_DEPTH * X265_REFINE_INTER_LEVELS)
namespace X265_NS {
enum { SAO_NUM_OFFSET = 4 };
enum SaoMergeMode
{
? ? SAO_MERGE_NONE,
? ? SAO_MERGE_LEFT,
? ? SAO_MERGE_UP
};
struct SaoCtuParam
{
? ? SaoMergeMode mergeMode;
? ? int ?typeIdx;
? ? uint32_t bandPos; ? ?// BO band position
? ? int ?offset[SAO_NUM_OFFSET];
? ? void reset()
? ? {
? ? ? ? mergeMode = SAO_MERGE_NONE;
? ? ? ? typeIdx = -1;
? ? ? ? bandPos = 0;
? ? ? ? offset[0] = 0;
? ? ? ? offset[1] = 0;
? ? ? ? offset[2] = 0;
? ? ? ? offset[3] = 0;
? ? }
};
struct SAOParam
{
? ? SaoCtuParam* ctuParam[3];
? ? bool ? ? ? ? bSaoFlag[2];
? ? int ? ? ? ? ?numCuInWidth;
? ? SAOParam()
? ? {
? ? ? ? for (int i = 0; i < 3; i++)
? ? ? ? ? ? ctuParam[i] = NULL;
? ? }
? ? ~SAOParam()
? ? {
? ? ? ? delete[] ctuParam[0];
? ? ? ? delete[] ctuParam[1];
? ? ? ? delete[] ctuParam[2];
? ? }
};
enum TextType
{
? ? TEXT_LUMA ? ? = 0, ?// luma
? ? TEXT_CHROMA_U = 1, ?// chroma U
? ? TEXT_CHROMA_V = 2, ?// chroma V
? ? MAX_NUM_COMPONENT = 3
};
// coefficient scanning type used in ACS
enum ScanType
{
? ? SCAN_DIAG = 0, ? ? // up-right diagonal scan
? ? SCAN_HOR = 1, ? ? ?// horizontal first scan
? ? SCAN_VER = 2, ? ? ?// vertical first scan
? ? NUM_SCAN_TYPE = 3
};
enum SignificanceMapContextType
{
? ? CONTEXT_TYPE_4x4 = 0,
? ? CONTEXT_TYPE_8x8 = 1,
? ? CONTEXT_TYPE_NxN = 2,
? ? CONTEXT_NUMBER_OF_TYPES = 3
};
/* located in pixel.cpp */
void extendPicBorder(pixel* recon, intptr_t stride, int width, int height, int marginX, int marginY);
/* located in common.cpp */
int64_t ?x265_mdate(void);
#define ?x265_log(param, ...) general_log(param, "x265", __VA_ARGS__)
#define ?x265_log_file(param, ...) general_log_file(param, "x265", __VA_ARGS__)
void ? ? general_log(const x265_param* param, const char* caller, int level, const char* fmt, ...);
#if _WIN32
void ? ? general_log_file(const x265_param* param, const char* caller, int level, const char* fmt, ...);
FILE* ? ?x265_fopen(const char* fileName, const char* mode);
int ? ? ?x265_unlink(const char* fileName);
int ? ? ?x265_rename(const char* oldName, const char* newName);
#else
#define ?general_log_file(param, caller, level, fmt, ...) general_log(param, caller, level, fmt, __VA_ARGS__)
#define ?x265_fopen(fileName, mode) fopen(fileName, mode)
#define ?x265_unlink(fileName) unlink(fileName)
#define ?x265_rename(oldName, newName) rename(oldName, newName)
#endif
int ? ? ?x265_exp2fix8(double x);
double ? x265_ssim2dB(double ssim);
double ? x265_qScale2qp(double qScale);
double ? x265_qp2qScale(double qp);
uint32_t x265_picturePlaneSize(int csp, int width, int height, int plane);
void* ? ?x265_malloc(size_t size);
void ? ? x265_free(void *ptr);
char* ? ?x265_slurp_file(const char *filename);
/* located in primitives.cpp */
void ? ? x265_setup_primitives(x265_param* param);
void ? ? x265_report_simd(x265_param* param);
}
#include "constants.h"
#endif // ifndef X265_COMMON_H
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