/***************************************************************************** * common.h: misc common functions ***************************************************************************** * Copyright (C) 2003-2016 x264 project * * Authors: Laurent Aimar * Loren Merritt * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. * * This program is also available under a commercial proprietary license. * For more information, contact us at licensing@x264.com. *****************************************************************************/ #ifndef X264_COMMON_H #define X264_COMMON_H /**************************************************************************** * Macros ****************************************************************************/ #define X264_MIN(a,b) ( (a)<(b) ? (a) : (b) ) #define X264_MAX(a,b) ( (a)>(b) ? (a) : (b) ) #define X264_MIN3(a,b,c) X264_MIN((a),X264_MIN((b),(c))) #define X264_MAX3(a,b,c) X264_MAX((a),X264_MAX((b),(c))) #define X264_MIN4(a,b,c,d) X264_MIN((a),X264_MIN3((b),(c),(d))) #define X264_MAX4(a,b,c,d) X264_MAX((a),X264_MAX3((b),(c),(d))) #define XCHG(type,a,b) do{ type t = a; a = b; b = t; } while(0) #define IS_DISPOSABLE(type) ( type == X264_TYPE_B ) #define FIX8(f) ((int)(f*(1<<8)+.5)) #define ALIGN(x,a) (((x)+((a)-1))&~((a)-1)) #define ARRAY_ELEMS(a) ((sizeof(a))/(sizeof(a[0]))) #define CHECKED_MALLOC( var, size )\ do {\ var = x264_malloc( size );\ if( !var )\ goto fail;\ } while( 0 ) #define CHECKED_MALLOCZERO( var, size )\ do {\ CHECKED_MALLOC( var, size );\ memset( var, 0, size );\ } while( 0 ) /* Macros for merging multiple allocations into a single large malloc, for improved * use with huge pages. */ /* Needs to be enough to contain any set of buffers that use combined allocations */ #define PREALLOC_BUF_SIZE 1024 #define PREALLOC_INIT\ int prealloc_idx = 0;\ size_t prealloc_size = 0;\ uint8_t **preallocs[PREALLOC_BUF_SIZE]; #define PREALLOC( var, size )\ do {\ var = (void*)prealloc_size;\ preallocs[prealloc_idx++] = (uint8_t**)&var;\ prealloc_size += ALIGN(size, NATIVE_ALIGN);\ } while(0) #define PREALLOC_END( ptr )\ do {\ CHECKED_MALLOC( ptr, prealloc_size );\ while( prealloc_idx-- )\ *preallocs[prealloc_idx] += (intptr_t)ptr;\ } while(0) #define ARRAY_SIZE(array) (sizeof(array)/sizeof(array[0])) #define X264_BFRAME_MAX 16 #define X264_REF_MAX 16 #define X264_THREAD_MAX 128 #define X264_LOOKAHEAD_THREAD_MAX 16 #define X264_PCM_COST (FRAME_SIZE(256*BIT_DEPTH)+16) #define X264_LOOKAHEAD_MAX 250 #define QP_BD_OFFSET (6*(BIT_DEPTH-8)) #define QP_MAX_SPEC (51+QP_BD_OFFSET) #define QP_MAX (QP_MAX_SPEC+18) #define QP_MAX_MAX (51+2*6+18) #define PIXEL_MAX ((1 << BIT_DEPTH)-1) // arbitrary, but low because SATD scores are 1/4 normal #define X264_LOOKAHEAD_QP (12+QP_BD_OFFSET) #define SPEC_QP(x) X264_MIN((x), QP_MAX_SPEC) // number of pixels (per thread) in progress at any given time. // 16 for the macroblock in progress + 3 for deblocking + 3 for motion compensation filter + 2 for extra safety #define X264_THREAD_HEIGHT 24 /* WEIGHTP_FAKE is set when mb_tree & psy are enabled, but normal weightp is disabled * (such as in baseline). It checks for fades in lookahead and adjusts qp accordingly * to increase quality. Defined as (-1) so that if(i_weighted_pred > 0) is true only when * real weights are being used. */ #define X264_WEIGHTP_FAKE (-1) #define NALU_OVERHEAD 5 // startcode + NAL type costs 5 bytes per frame #define FILLER_OVERHEAD (NALU_OVERHEAD+1) #define SEI_OVERHEAD (NALU_OVERHEAD - (h->param.b_annexb && !h->param.i_avcintra_class && (h->out.i_nal-1))) /**************************************************************************** * Includes ****************************************************************************/ #include "osdep.h" #include #include #include #include #include #include #if HAVE_INTERLACED # define MB_INTERLACED h->mb.b_interlaced # define SLICE_MBAFF h->sh.b_mbaff # define PARAM_INTERLACED h->param.b_interlaced #else # define MB_INTERLACED 0 # define SLICE_MBAFF 0 # define PARAM_INTERLACED 0 #endif #ifdef CHROMA_FORMAT # define CHROMA_H_SHIFT (CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422) # define CHROMA_V_SHIFT (CHROMA_FORMAT == CHROMA_420) #else # define CHROMA_FORMAT h->sps->i_chroma_format_idc # define CHROMA_H_SHIFT h->mb.chroma_h_shift # define CHROMA_V_SHIFT h->mb.chroma_v_shift #endif #define CHROMA_SIZE(s) ((s)>>(CHROMA_H_SHIFT+CHROMA_V_SHIFT)) #define FRAME_SIZE(s) ((s)+2*CHROMA_SIZE(s)) #define CHROMA444 (CHROMA_FORMAT == CHROMA_444) /* Unions for type-punning. * Mn: load or store n bits, aligned, native-endian * CPn: copy n bits, aligned, native-endian * we don't use memcpy for CPn because memcpy's args aren't assumed to be aligned */ typedef union { uint16_t i; uint8_t c[2]; } MAY_ALIAS x264_union16_t; typedef union { uint32_t i; uint16_t b[2]; uint8_t c[4]; } MAY_ALIAS x264_union32_t; typedef union { uint64_t i; uint32_t a[2]; uint16_t b[4]; uint8_t c[8]; } MAY_ALIAS x264_union64_t; typedef struct { uint64_t i[2]; } x264_uint128_t; typedef union { x264_uint128_t i; uint64_t a[2]; uint32_t b[4]; uint16_t c[8]; uint8_t d[16]; } MAY_ALIAS x264_union128_t; #define M16(src) (((x264_union16_t*)(src))->i) #define M32(src) (((x264_union32_t*)(src))->i) #define M64(src) (((x264_union64_t*)(src))->i) #define M128(src) (((x264_union128_t*)(src))->i) #define M128_ZERO ((x264_uint128_t){{0,0}}) #define CP16(dst,src) M16(dst) = M16(src) #define CP32(dst,src) M32(dst) = M32(src) #define CP64(dst,src) M64(dst) = M64(src) #define CP128(dst,src) M128(dst) = M128(src) #if HIGH_BIT_DEPTH typedef uint16_t pixel; typedef uint64_t pixel4; typedef int32_t dctcoef; typedef uint32_t udctcoef; # define PIXEL_SPLAT_X4(x) ((x)*0x0001000100010001ULL) # define MPIXEL_X4(src) M64(src) #else typedef uint8_t pixel; typedef uint32_t pixel4; typedef int16_t dctcoef; typedef uint16_t udctcoef; # define PIXEL_SPLAT_X4(x) ((x)*0x01010101U) # define MPIXEL_X4(src) M32(src) #endif #define BIT_DEPTH X264_BIT_DEPTH #define CPPIXEL_X4(dst,src) MPIXEL_X4(dst) = MPIXEL_X4(src) #define X264_SCAN8_LUMA_SIZE (5*8) #define X264_SCAN8_SIZE (X264_SCAN8_LUMA_SIZE*3) #define X264_SCAN8_0 (4+1*8) /* Scan8 organization: * 0 1 2 3 4 5 6 7 * 0 DY y y y y y * 1 y Y Y Y Y * 2 y Y Y Y Y * 3 y Y Y Y Y * 4 y Y Y Y Y * 5 DU u u u u u * 6 u U U U U * 7 u U U U U * 8 u U U U U * 9 u U U U U * 10 DV v v v v v * 11 v V V V V * 12 v V V V V * 13 v V V V V * 14 v V V V V * DY/DU/DV are for luma/chroma DC. */ #define LUMA_DC 48 #define CHROMA_DC 49 static const uint8_t x264_scan8[16*3 + 3] = { 4+ 1*8, 5+ 1*8, 4+ 2*8, 5+ 2*8, 6+ 1*8, 7+ 1*8, 6+ 2*8, 7+ 2*8, 4+ 3*8, 5+ 3*8, 4+ 4*8, 5+ 4*8, 6+ 3*8, 7+ 3*8, 6+ 4*8, 7+ 4*8, 4+ 6*8, 5+ 6*8, 4+ 7*8, 5+ 7*8, 6+ 6*8, 7+ 6*8, 6+ 7*8, 7+ 7*8, 4+ 8*8, 5+ 8*8, 4+ 9*8, 5+ 9*8, 6+ 8*8, 7+ 8*8, 6+ 9*8, 7+ 9*8, 4+11*8, 5+11*8, 4+12*8, 5+12*8, 6+11*8, 7+11*8, 6+12*8, 7+12*8, 4+13*8, 5+13*8, 4+14*8, 5+14*8, 6+13*8, 7+13*8, 6+14*8, 7+14*8, 0+ 0*8, 0+ 5*8, 0+10*8 }; #include "x264.h" #if HAVE_OPENCL #include "opencl.h" #endif #include "cabac.h" #include "bitstream.h" #include "set.h" #include "predict.h" #include "pixel.h" #include "mc.h" #include "frame.h" #include "dct.h" #include "quant.h" #include "cpu.h" #include "threadpool.h" /**************************************************************************** * General functions ****************************************************************************/ /* x264_malloc : will do or emulate a memalign * you have to use x264_free for buffers allocated with x264_malloc */ void *x264_malloc( int ); void x264_free( void * ); /* x264_slurp_file: malloc space for the whole file and read it */ char *x264_slurp_file( const char *filename ); /* mdate: return the current date in microsecond */ int64_t x264_mdate( void ); /* x264_param2string: return a (malloced) string containing most of * the encoding options */ char *x264_param2string( x264_param_t *p, int b_res ); /* log */ void x264_log( x264_t *h, int i_level, const char *psz_fmt, ... ); void x264_reduce_fraction( uint32_t *n, uint32_t *d ); void x264_reduce_fraction64( uint64_t *n, uint64_t *d ); void x264_cavlc_init( x264_t *h ); void x264_cabac_init( x264_t *h ); static ALWAYS_INLINE pixel x264_clip_pixel( int x ) { return ( (x & ~PIXEL_MAX) ? (-x)>>31 & PIXEL_MAX : x ); } static ALWAYS_INLINE int x264_clip3( int v, int i_min, int i_max ) { return ( (v < i_min) ? i_min : (v > i_max) ? i_max : v ); } static ALWAYS_INLINE double x264_clip3f( double v, double f_min, double f_max ) { return ( (v < f_min) ? f_min : (v > f_max) ? f_max : v ); } static ALWAYS_INLINE int x264_median( int a, int b, int c ) { int t = (a-b)&((a-b)>>31); a -= t; b += t; b -= (b-c)&((b-c)>>31); b += (a-b)&((a-b)>>31); return b; } static ALWAYS_INLINE void x264_median_mv( int16_t *dst, int16_t *a, int16_t *b, int16_t *c ) { dst[0] = x264_median( a[0], b[0], c[0] ); dst[1] = x264_median( a[1], b[1], c[1] ); } static ALWAYS_INLINE int x264_predictor_difference( int16_t (*mvc)[2], intptr_t i_mvc ) { int sum = 0; for( int i = 0; i < i_mvc-1; i++ ) { sum += abs( mvc[i][0] - mvc[i+1][0] ) + abs( mvc[i][1] - mvc[i+1][1] ); } return sum; } static ALWAYS_INLINE uint16_t x264_cabac_mvd_sum( uint8_t *mvdleft, uint8_t *mvdtop ) { int amvd0 = mvdleft[0] + mvdtop[0]; int amvd1 = mvdleft[1] + mvdtop[1]; amvd0 = (amvd0 > 2) + (amvd0 > 32); amvd1 = (amvd1 > 2) + (amvd1 > 32); return amvd0 + (amvd1<<8); } extern const uint8_t x264_exp2_lut[64]; extern const float x264_log2_lut[128]; extern const float x264_log2_lz_lut[32]; /* Not a general-purpose function; multiplies input by -1/6 to convert * qp to qscale. */ static ALWAYS_INLINE int x264_exp2fix8( float x ) { int i = x*(-64.f/6.f) + 512.5f; if( i < 0 ) return 0; if( i > 1023 ) return 0xffff; return (x264_exp2_lut[i&63]+256) << (i>>6) >> 8; } static ALWAYS_INLINE float x264_log2( uint32_t x ) { int lz = x264_clz( x ); return x264_log2_lut[(x<>24)&0x7f] + x264_log2_lz_lut[lz]; } /**************************************************************************** * ****************************************************************************/ enum slice_type_e { SLICE_TYPE_P = 0, SLICE_TYPE_B = 1, SLICE_TYPE_I = 2, }; static const char slice_type_to_char[] = { 'P', 'B', 'I' }; enum sei_payload_type_e { SEI_BUFFERING_PERIOD = 0, SEI_PIC_TIMING = 1, SEI_PAN_SCAN_RECT = 2, SEI_FILLER = 3, SEI_USER_DATA_REGISTERED = 4, SEI_USER_DATA_UNREGISTERED = 5, SEI_RECOVERY_POINT = 6, SEI_DEC_REF_PIC_MARKING = 7, SEI_FRAME_PACKING = 45, }; typedef struct { x264_sps_t *sps; x264_pps_t *pps; int i_type; int i_first_mb; int i_last_mb; int i_pps_id; int i_frame_num; int b_mbaff; int b_field_pic; int b_bottom_field; int i_idr_pic_id; /* -1 if nal_type != 5 */ int i_poc; int i_delta_poc_bottom; int i_delta_poc[2]; int i_redundant_pic_cnt; int b_direct_spatial_mv_pred; int b_num_ref_idx_override; int i_num_ref_idx_l0_active; int i_num_ref_idx_l1_active; int b_ref_pic_list_reordering[2]; struct { int idc; int arg; } ref_pic_list_order[2][X264_REF_MAX]; /* P-frame weighting */ int b_weighted_pred; x264_weight_t weight[X264_REF_MAX*2][3]; int i_mmco_remove_from_end; int i_mmco_command_count; struct /* struct for future expansion */ { int i_difference_of_pic_nums; int i_poc; } mmco[X264_REF_MAX]; int i_cabac_init_idc; int i_qp; int i_qp_delta; int b_sp_for_swidth; int i_qs_delta; /* deblocking filter */ int i_disable_deblocking_filter_idc; int i_alpha_c0_offset; int i_beta_offset; } x264_slice_header_t; typedef struct x264_lookahead_t { volatile uint8_t b_exit_thread; uint8_t b_thread_active; uint8_t b_analyse_keyframe; int i_last_keyframe; int i_slicetype_length; x264_frame_t *last_nonb; x264_pthread_t thread_handle; x264_sync_frame_list_t ifbuf; x264_sync_frame_list_t next; x264_sync_frame_list_t ofbuf; } x264_lookahead_t; typedef struct x264_ratecontrol_t x264_ratecontrol_t; typedef struct x264_left_table_t { uint8_t intra[4]; uint8_t nnz[4]; uint8_t nnz_chroma[4]; uint8_t mv[4]; uint8_t ref[4]; } x264_left_table_t; /* Current frame stats */ typedef struct { /* MV bits (MV+Ref+Block Type) */ int i_mv_bits; /* Texture bits (DCT coefs) */ int i_tex_bits; /* ? */ int i_misc_bits; /* MB type counts */ int i_mb_count[19]; int i_mb_count_i; int i_mb_count_p; int i_mb_count_skip; int i_mb_count_8x8dct[2]; int i_mb_count_ref[2][X264_REF_MAX*2]; int i_mb_partition[17]; int i_mb_cbp[6]; int i_mb_pred_mode[4][13]; int i_mb_field[3]; /* Adaptive direct mv pred */ int i_direct_score[2]; /* Metrics */ int64_t i_ssd[3]; double f_ssim; int i_ssim_cnt; } x264_frame_stat_t; struct x264_t { /* encoder parameters */ x264_param_t param; x264_t *thread[X264_THREAD_MAX+1]; x264_t *lookahead_thread[X264_LOOKAHEAD_THREAD_MAX]; int b_thread_active; int i_thread_phase; /* which thread to use for the next frame */ int i_thread_idx; /* which thread this is */ int i_threadslice_start; /* first row in this thread slice */ int i_threadslice_end; /* row after the end of this thread slice */ int i_threadslice_pass; /* which pass of encoding we are on */ x264_threadpool_t *threadpool; x264_threadpool_t *lookaheadpool; x264_pthread_mutex_t mutex; x264_pthread_cond_t cv; /* bitstream output */ struct { int i_nal; int i_nals_allocated; x264_nal_t *nal; int i_bitstream; /* size of p_bitstream */ uint8_t *p_bitstream; /* will hold data for all nal */ bs_t bs; } out; uint8_t *nal_buffer; int nal_buffer_size; x264_t *reconfig_h; int reconfig; /**** thread synchronization starts here ****/ /* frame number/poc */ int i_frame; int i_frame_num; int i_thread_frames; /* Number of different frames being encoded by threads; * 1 when sliced-threads is on. */ int i_nal_type; int i_nal_ref_idc; int64_t i_disp_fields; /* Number of displayed fields (both coded and implied via pic_struct) */ int i_disp_fields_last_frame; int64_t i_prev_duration; /* Duration of previous frame */ int64_t i_coded_fields; /* Number of coded fields (both coded and implied via pic_struct) */ int64_t i_cpb_delay; /* Equal to number of fields preceding this field * since last buffering_period SEI */ int64_t i_coded_fields_lookahead; /* Use separate counters for lookahead */ int64_t i_cpb_delay_lookahead; int64_t i_cpb_delay_pir_offset; int64_t i_cpb_delay_pir_offset_next; int b_queued_intra_refresh; int64_t i_last_idr_pts; int i_idr_pic_id; /* quantization matrix for decoding, [cqm][qp%6][coef] */ int (*dequant4_mf[4])[16]; /* [4][6][16] */ int (*dequant8_mf[4])[64]; /* [4][6][64] */ /* quantization matrix for trellis, [cqm][qp][coef] */ int (*unquant4_mf[4])[16]; /* [4][QP_MAX_SPEC+1][16] */ int (*unquant8_mf[4])[64]; /* [4][QP_MAX_SPEC+1][64] */ /* quantization matrix for deadzone */ udctcoef (*quant4_mf[4])[16]; /* [4][QP_MAX_SPEC+1][16] */ udctcoef (*quant8_mf[4])[64]; /* [4][QP_MAX_SPEC+1][64] */ udctcoef (*quant4_bias[4])[16]; /* [4][QP_MAX_SPEC+1][16] */ udctcoef (*quant8_bias[4])[64]; /* [4][QP_MAX_SPEC+1][64] */ udctcoef (*quant4_bias0[4])[16]; /* [4][QP_MAX_SPEC+1][16] */ udctcoef (*quant8_bias0[4])[64]; /* [4][QP_MAX_SPEC+1][64] */ udctcoef (*nr_offset_emergency)[4][64]; /* mv/ref cost arrays. */ uint16_t *cost_mv[QP_MAX+1]; uint16_t *cost_mv_fpel[QP_MAX+1][4]; const uint8_t *chroma_qp_table; /* includes both the nonlinear luma->chroma mapping and chroma_qp_offset */ /* Slice header */ x264_slice_header_t sh; /* SPS / PPS */ x264_sps_t sps[1]; x264_pps_t pps[1]; /* Slice header backup, for SEI_DEC_REF_PIC_MARKING */ int b_sh_backup; x264_slice_header_t sh_backup; /* cabac context */ x264_cabac_t cabac; struct { /* Frames to be encoded (whose types have been decided) */ x264_frame_t **current; /* Unused frames: 0 = fenc, 1 = fdec */ x264_frame_t **unused[2]; /* Unused blank frames (for duplicates) */ x264_frame_t **blank_unused; /* frames used for reference + sentinels */ x264_frame_t *reference[X264_REF_MAX+2]; int i_last_keyframe; /* Frame number of the last keyframe */ int i_last_idr; /* Frame number of the last IDR (not RP)*/ int i_poc_last_open_gop; /* Poc of the I frame of the last open-gop. The value * is only assigned during the period between that * I frame and the next P or I frame, else -1 */ int i_input; /* Number of input frames already accepted */ int i_max_dpb; /* Number of frames allocated in the decoded picture buffer */ int i_max_ref0; int i_max_ref1; int i_delay; /* Number of frames buffered for B reordering */ int i_bframe_delay; int64_t i_bframe_delay_time; int64_t i_first_pts; int64_t i_prev_reordered_pts[2]; int64_t i_largest_pts; int64_t i_second_largest_pts; int b_have_lowres; /* Whether 1/2 resolution luma planes are being used */ int b_have_sub8x8_esa; } frames; /* current frame being encoded */ x264_frame_t *fenc; /* frame being reconstructed */ x264_frame_t *fdec; /* references lists */ int i_ref[2]; x264_frame_t *fref[2][X264_REF_MAX+3]; x264_frame_t *fref_nearest[2]; int b_ref_reorder[2]; /* hrd */ int initial_cpb_removal_delay; int initial_cpb_removal_delay_offset; int64_t i_reordered_pts_delay; /* Current MB DCT coeffs */ struct { ALIGNED_N( dctcoef luma16x16_dc[3][16] ); ALIGNED_16( dctcoef chroma_dc[2][8] ); // FIXME share memory? ALIGNED_N( dctcoef luma8x8[12][64] ); ALIGNED_N( dctcoef luma4x4[16*3][16] ); } dct; /* MB table and cache for current frame/mb */ struct { int i_mb_width; int i_mb_height; int i_mb_count; /* number of mbs in a frame */ /* Chroma subsampling */ int chroma_h_shift; int chroma_v_shift; /* Strides */ int i_mb_stride; int i_b8_stride; int i_b4_stride; int left_b8[2]; int left_b4[2]; /* Current index */ int i_mb_x; int i_mb_y; int i_mb_xy; int i_b8_xy; int i_b4_xy; /* Search parameters */ int i_me_method; int i_subpel_refine; int b_chroma_me; int b_trellis; int b_noise_reduction; int b_dct_decimate; int i_psy_rd; /* Psy RD strength--fixed point value*/ int i_psy_trellis; /* Psy trellis strength--fixed point value*/ int b_interlaced; int b_adaptive_mbaff; /* MBAFF+subme 0 requires non-adaptive MBAFF i.e. all field mbs */ /* Allowed qpel MV range to stay within the picture + emulated edge pixels */ int mv_min[2]; int mv_max[2]; int mv_miny_row[3]; /* 0 == top progressive, 1 == bot progressive, 2 == interlaced */ int mv_maxy_row[3]; /* Subpel MV range for motion search. * same mv_min/max but includes levels' i_mv_range. */ int mv_min_spel[2]; int mv_max_spel[2]; int mv_miny_spel_row[3]; int mv_maxy_spel_row[3]; /* Fullpel MV range for motion search */ ALIGNED_8( int16_t mv_limit_fpel[2][2] ); /* min_x, min_y, max_x, max_y */ int mv_miny_fpel_row[3]; int mv_maxy_fpel_row[3]; /* neighboring MBs */ unsigned int i_neighbour; unsigned int i_neighbour8[4]; /* neighbours of each 8x8 or 4x4 block that are available */ unsigned int i_neighbour4[16]; /* at the time the block is coded */ unsigned int i_neighbour_intra; /* for constrained intra pred */ unsigned int i_neighbour_frame; /* ignoring slice boundaries */ int i_mb_type_top; int i_mb_type_left[2]; int i_mb_type_topleft; int i_mb_type_topright; int i_mb_prev_xy; int i_mb_left_xy[2]; int i_mb_top_xy; int i_mb_topleft_xy; int i_mb_topright_xy; int i_mb_top_y; int i_mb_topleft_y; int i_mb_topright_y; const x264_left_table_t *left_index_table; int i_mb_top_mbpair_xy; int topleft_partition; int b_allow_skip; int field_decoding_flag; /**** thread synchronization ends here ****/ /* subsequent variables are either thread-local or constant, * and won't be copied from one thread to another */ /* mb table */ uint8_t *base; /* base pointer for all malloced data in this mb */ int8_t *type; /* mb type */ uint8_t *partition; /* mb partition */ int8_t *qp; /* mb qp */ int16_t *cbp; /* mb cbp: 0x0?: luma, 0x?0: chroma, 0x100: luma dc, 0x0200 and 0x0400: chroma dc (all set for PCM)*/ int8_t (*intra4x4_pred_mode)[8]; /* intra4x4 pred mode. for non I4x4 set to I_PRED_4x4_DC(2) */ /* actually has only 7 entries; set to 8 for write-combining optimizations */ uint8_t (*non_zero_count)[16*3]; /* nzc. for I_PCM set to 16 */ int8_t *chroma_pred_mode; /* chroma_pred_mode. cabac only. for non intra I_PRED_CHROMA_DC(0) */ int16_t (*mv[2])[2]; /* mb mv. set to 0 for intra mb */ uint8_t (*mvd[2])[8][2]; /* absolute value of mb mv difference with predict, clipped to [0,33]. set to 0 if intra. cabac only */ int8_t *ref[2]; /* mb ref. set to -1 if non used (intra or Lx only) */ int16_t (*mvr[2][X264_REF_MAX*2])[2];/* 16x16 mv for each possible ref */ int8_t *skipbp; /* block pattern for SKIP or DIRECT (sub)mbs. B-frames + cabac only */ int8_t *mb_transform_size; /* transform_size_8x8_flag of each mb */ uint16_t *slice_table; /* sh->first_mb of the slice that the indexed mb is part of * NOTE: this will fail on resolutions above 2^16 MBs... */ uint8_t *field; /* buffer for weighted versions of the reference frames */ pixel *p_weight_buf[X264_REF_MAX]; /* current value */ int i_type; int i_partition; ALIGNED_4( uint8_t i_sub_partition[4] ); int b_transform_8x8; int i_cbp_luma; int i_cbp_chroma; int i_intra16x16_pred_mode; int i_chroma_pred_mode; /* skip flags for i4x4 and i8x8 * 0 = encode as normal. * 1 (non-RD only) = the DCT is still in h->dct, restore fdec and skip reconstruction. * 2 (RD only) = the DCT has since been overwritten by RD; restore that too. */ int i_skip_intra; /* skip flag for motion compensation */ /* if we've already done MC, we don't need to do it again */ int b_skip_mc; /* set to true if we are re-encoding a macroblock. */ int b_reencode_mb; int ip_offset; /* Used by PIR to offset the quantizer of intra-refresh blocks. */ int b_deblock_rdo; int b_overflow; /* If CAVLC had a level code overflow during bitstream writing. */ struct { /* space for p_fenc and p_fdec */ #define FENC_STRIDE 16 #define FDEC_STRIDE 32 ALIGNED_16( pixel fenc_buf[48*FENC_STRIDE] ); ALIGNED_N( pixel fdec_buf[52*FDEC_STRIDE] ); /* i4x4 and i8x8 backup data, for skipping the encode stage when possible */ ALIGNED_16( pixel i4x4_fdec_buf[16*16] ); ALIGNED_16( pixel i8x8_fdec_buf[16*16] ); ALIGNED_16( dctcoef i8x8_dct_buf[3][64] ); ALIGNED_16( dctcoef i4x4_dct_buf[15][16] ); uint32_t i4x4_nnz_buf[4]; uint32_t i8x8_nnz_buf[4]; int i4x4_cbp; int i8x8_cbp; /* Psy trellis DCT data */ ALIGNED_16( dctcoef fenc_dct8[4][64] ); ALIGNED_16( dctcoef fenc_dct4[16][16] ); /* Psy RD SATD/SA8D scores cache */ ALIGNED_N( uint64_t fenc_hadamard_cache[9] ); ALIGNED_N( uint32_t fenc_satd_cache[32] ); /* pointer over mb of the frame to be compressed */ pixel *p_fenc[3]; /* y,u,v */ /* pointer to the actual source frame, not a block copy */ pixel *p_fenc_plane[3]; /* pointer over mb of the frame to be reconstructed */ pixel *p_fdec[3]; /* pointer over mb of the references */ int i_fref[2]; /* [12]: yN, yH, yV, yHV, (NV12 ? uv : I444 ? (uN, uH, uV, uHV, vN, ...)) */ pixel *p_fref[2][X264_REF_MAX*2][12]; pixel *p_fref_w[X264_REF_MAX*2]; /* weighted fullpel luma */ uint16_t *p_integral[2][X264_REF_MAX]; /* fref stride */ int i_stride[3]; } pic; /* cache */ struct { /* real intra4x4_pred_mode if I_4X4 or I_8X8, I_PRED_4x4_DC if mb available, -1 if not */ ALIGNED_8( int8_t intra4x4_pred_mode[X264_SCAN8_LUMA_SIZE] ); /* i_non_zero_count if available else 0x80 */ ALIGNED_16( uint8_t non_zero_count[X264_SCAN8_SIZE] ); /* -1 if unused, -2 if unavailable */ ALIGNED_4( int8_t ref[2][X264_SCAN8_LUMA_SIZE] ); /* 0 if not available */ ALIGNED_16( int16_t mv[2][X264_SCAN8_LUMA_SIZE][2] ); ALIGNED_8( uint8_t mvd[2][X264_SCAN8_LUMA_SIZE][2] ); /* 1 if SKIP or DIRECT. set only for B-frames + CABAC */ ALIGNED_4( int8_t skip[X264_SCAN8_LUMA_SIZE] ); ALIGNED_4( int16_t direct_mv[2][4][2] ); ALIGNED_4( int8_t direct_ref[2][4] ); int direct_partition; ALIGNED_4( int16_t pskip_mv[2] ); /* number of neighbors (top and left) that used 8x8 dct */ int i_neighbour_transform_size; int i_neighbour_skip; /* neighbor CBPs */ int i_cbp_top; int i_cbp_left; /* extra data required for mbaff in mv prediction */ int16_t topright_mv[2][3][2]; int8_t topright_ref[2][3]; /* current mb deblock strength */ uint8_t (*deblock_strength)[8][4]; } cache; /* */ int i_qp; /* current qp */ int i_chroma_qp; int i_last_qp; /* last qp */ int i_last_dqp; /* last delta qp */ int b_variable_qp; /* whether qp is allowed to vary per macroblock */ int b_lossless; int b_direct_auto_read; /* take stats for --direct auto from the 2pass log */ int b_direct_auto_write; /* analyse direct modes, to use and/or save */ /* lambda values */ int i_trellis_lambda2[2][2]; /* [luma,chroma][inter,intra] */ int i_psy_rd_lambda; int i_chroma_lambda2_offset; /* B_direct and weighted prediction */ int16_t dist_scale_factor_buf[2][2][X264_REF_MAX*2][4]; int16_t (*dist_scale_factor)[4]; int8_t bipred_weight_buf[2][2][X264_REF_MAX*2][4]; int8_t (*bipred_weight)[4]; /* maps fref1[0]'s ref indices into the current list0 */ #define map_col_to_list0(col) h->mb.map_col_to_list0[(col)+2] int8_t map_col_to_list0[X264_REF_MAX+2]; int ref_blind_dupe; /* The index of the blind reference frame duplicate. */ int8_t deblock_ref_table[X264_REF_MAX*2+2]; #define deblock_ref_table(x) h->mb.deblock_ref_table[(x)+2] } mb; /* rate control encoding only */ x264_ratecontrol_t *rc; /* stats */ struct { /* Cumulated stats */ /* per slice info */ int i_frame_count[3]; int64_t i_frame_size[3]; double f_frame_qp[3]; int i_consecutive_bframes[X264_BFRAME_MAX+1]; /* */ double f_ssd_global[3]; double f_psnr_average[3]; double f_psnr_mean_y[3]; double f_psnr_mean_u[3]; double f_psnr_mean_v[3]; double f_ssim_mean_y[3]; double f_frame_duration[3]; /* */ int64_t i_mb_count[3][19]; int64_t i_mb_partition[2][17]; int64_t i_mb_count_8x8dct[2]; int64_t i_mb_count_ref[2][2][X264_REF_MAX*2]; int64_t i_mb_cbp[6]; int64_t i_mb_pred_mode[4][13]; int64_t i_mb_field[3]; /* */ int i_direct_score[2]; int i_direct_frames[2]; /* num p-frames weighted */ int i_wpred[2]; /* Current frame stats */ x264_frame_stat_t frame; } stat; /* 0 = luma 4x4, 1 = luma 8x8, 2 = chroma 4x4, 3 = chroma 8x8 */ udctcoef (*nr_offset)[64]; uint32_t (*nr_residual_sum)[64]; uint32_t *nr_count; ALIGNED_N( udctcoef nr_offset_denoise[4][64] ); ALIGNED_N( uint32_t nr_residual_sum_buf[2][4][64] ); uint32_t nr_count_buf[2][4]; uint8_t luma2chroma_pixel[7]; /* Subsampled pixel size */ /* Buffers that are allocated per-thread even in sliced threads. */ void *scratch_buffer; /* for any temporary storage that doesn't want repeated malloc */ void *scratch_buffer2; /* if the first one's already in use */ pixel *intra_border_backup[5][3]; /* bottom pixels of the previous mb row, used for intra prediction after the framebuffer has been deblocked */ /* Deblock strength values are stored for each 4x4 partition. In MBAFF * there are four extra values that need to be stored, located in [4][i]. */ uint8_t (*deblock_strength[2])[2][8][4]; /* CPU functions dependents */ x264_predict_t predict_16x16[4+3]; x264_predict8x8_t predict_8x8[9+3]; x264_predict_t predict_4x4[9+3]; x264_predict_t predict_chroma[4+3]; x264_predict_t predict_8x8c[4+3]; x264_predict_t predict_8x16c[4+3]; x264_predict_8x8_filter_t predict_8x8_filter; x264_pixel_function_t pixf; x264_mc_functions_t mc; x264_dct_function_t dctf; x264_zigzag_function_t zigzagf; x264_zigzag_function_t zigzagf_interlaced; x264_zigzag_function_t zigzagf_progressive; x264_quant_function_t quantf; x264_deblock_function_t loopf; x264_bitstream_function_t bsf; x264_lookahead_t *lookahead; #if HAVE_OPENCL x264_opencl_t opencl; #endif }; // included at the end because it needs x264_t #include "macroblock.h" static int ALWAYS_INLINE x264_predictor_roundclip( int16_t (*dst)[2], int16_t (*mvc)[2], int i_mvc, int16_t mv_limit[2][2], uint32_t pmv ) { int cnt = 0; for( int i = 0; i < i_mvc; i++ ) { int mx = (mvc[i][0] + 2) >> 2; int my = (mvc[i][1] + 2) >> 2; uint32_t mv = pack16to32_mask(mx, my); if( !mv || mv == pmv ) continue; dst[cnt][0] = x264_clip3( mx, mv_limit[0][0], mv_limit[1][0] ); dst[cnt][1] = x264_clip3( my, mv_limit[0][1], mv_limit[1][1] ); cnt++; } return cnt; } static int ALWAYS_INLINE x264_predictor_clip( int16_t (*dst)[2], int16_t (*mvc)[2], int i_mvc, int16_t mv_limit[2][2], uint32_t pmv ) { int cnt = 0; int qpel_limit[4] = {mv_limit[0][0] << 2, mv_limit[0][1] << 2, mv_limit[1][0] << 2, mv_limit[1][1] << 2}; for( int i = 0; i < i_mvc; i++ ) { uint32_t mv = M32( mvc[i] ); int mx = mvc[i][0]; int my = mvc[i][1]; if( !mv || mv == pmv ) continue; dst[cnt][0] = x264_clip3( mx, qpel_limit[0], qpel_limit[2] ); dst[cnt][1] = x264_clip3( my, qpel_limit[1], qpel_limit[3] ); cnt++; } return cnt; } #if ARCH_X86 || ARCH_X86_64 #include "x86/util.h" #endif #include "rectangle.h" #endif