1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/encoder/vp9_block.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,255 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#ifndef VP9_ENCODER_VP9_BLOCK_H_
1.15 +#define VP9_ENCODER_VP9_BLOCK_H_
1.16 +
1.17 +#include "vp9/common/vp9_onyx.h"
1.18 +#include "vp9/common/vp9_entropymv.h"
1.19 +#include "vp9/common/vp9_entropy.h"
1.20 +#include "vpx_ports/mem.h"
1.21 +#include "vp9/common/vp9_onyxc_int.h"
1.22 +
1.23 +// motion search site
1.24 +typedef struct {
1.25 + MV mv;
1.26 + int offset;
1.27 +} search_site;
1.28 +
1.29 +// Structure to hold snapshot of coding context during the mode picking process
1.30 +typedef struct {
1.31 + MODE_INFO mic;
1.32 + uint8_t *zcoeff_blk;
1.33 + int16_t *coeff[MAX_MB_PLANE][3];
1.34 + int16_t *qcoeff[MAX_MB_PLANE][3];
1.35 + int16_t *dqcoeff[MAX_MB_PLANE][3];
1.36 + uint16_t *eobs[MAX_MB_PLANE][3];
1.37 +
1.38 + // dual buffer pointers, 0: in use, 1: best in store
1.39 + int16_t *coeff_pbuf[MAX_MB_PLANE][3];
1.40 + int16_t *qcoeff_pbuf[MAX_MB_PLANE][3];
1.41 + int16_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
1.42 + uint16_t *eobs_pbuf[MAX_MB_PLANE][3];
1.43 +
1.44 + int is_coded;
1.45 + int num_4x4_blk;
1.46 + int skip;
1.47 + int_mv best_ref_mv;
1.48 + int_mv second_best_ref_mv;
1.49 + int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
1.50 + int rate;
1.51 + int distortion;
1.52 + int64_t intra_error;
1.53 + int best_mode_index;
1.54 + int rddiv;
1.55 + int rdmult;
1.56 + int hybrid_pred_diff;
1.57 + int comp_pred_diff;
1.58 + int single_pred_diff;
1.59 + int64_t tx_rd_diff[TX_MODES];
1.60 + int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];
1.61 +
1.62 + // motion vector cache for adaptive motion search control in partition
1.63 + // search loop
1.64 + int_mv pred_mv[MAX_REF_FRAMES];
1.65 +
1.66 + // Bit flag for each mode whether it has high error in comparison to others.
1.67 + unsigned int modes_with_high_error;
1.68 +
1.69 + // Bit flag for each ref frame whether it has high error compared to others.
1.70 + unsigned int frames_with_high_error;
1.71 +} PICK_MODE_CONTEXT;
1.72 +
1.73 +struct macroblock_plane {
1.74 + DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
1.75 + int16_t *coeff;
1.76 + struct buf_2d src;
1.77 +
1.78 + // Quantizer setings
1.79 + int16_t *quant;
1.80 + int16_t *quant_shift;
1.81 + int16_t *zbin;
1.82 + int16_t *round;
1.83 +
1.84 + // Zbin Over Quant value
1.85 + int16_t zbin_extra;
1.86 +};
1.87 +
1.88 +/* The [2] dimension is for whether we skip the EOB node (i.e. if previous
1.89 + * coefficient in this block was zero) or not. */
1.90 +typedef unsigned int vp9_coeff_cost[BLOCK_TYPES][REF_TYPES][COEF_BANDS][2]
1.91 + [PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS];
1.92 +
1.93 +typedef struct macroblock MACROBLOCK;
1.94 +struct macroblock {
1.95 + struct macroblock_plane plane[MAX_MB_PLANE];
1.96 +
1.97 + MACROBLOCKD e_mbd;
1.98 + int skip_block;
1.99 + int select_txfm_size;
1.100 + int skip_recode;
1.101 + int skip_optimize;
1.102 + int q_index;
1.103 +
1.104 + search_site *ss;
1.105 + int ss_count;
1.106 + int searches_per_step;
1.107 +
1.108 + int errorperbit;
1.109 + int sadperbit16;
1.110 + int sadperbit4;
1.111 + int rddiv;
1.112 + int rdmult;
1.113 + unsigned int mb_energy;
1.114 + unsigned int *mb_activity_ptr;
1.115 + int *mb_norm_activity_ptr;
1.116 + signed int act_zbin_adj;
1.117 +
1.118 + int mv_best_ref_index[MAX_REF_FRAMES];
1.119 + unsigned int max_mv_context[MAX_REF_FRAMES];
1.120 + unsigned int source_variance;
1.121 +
1.122 + int nmvjointcost[MV_JOINTS];
1.123 + int nmvcosts[2][MV_VALS];
1.124 + int *nmvcost[2];
1.125 + int nmvcosts_hp[2][MV_VALS];
1.126 + int *nmvcost_hp[2];
1.127 + int **mvcost;
1.128 +
1.129 + int nmvjointsadcost[MV_JOINTS];
1.130 + int nmvsadcosts[2][MV_VALS];
1.131 + int *nmvsadcost[2];
1.132 + int nmvsadcosts_hp[2][MV_VALS];
1.133 + int *nmvsadcost_hp[2];
1.134 + int **mvsadcost;
1.135 +
1.136 + int mbmode_cost[MB_MODE_COUNT];
1.137 + unsigned inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
1.138 + int intra_uv_mode_cost[2][MB_MODE_COUNT];
1.139 + int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
1.140 + int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];
1.141 +
1.142 + unsigned char sb_index; // index of 32x32 block inside the 64x64 block
1.143 + unsigned char mb_index; // index of 16x16 block inside the 32x32 block
1.144 + unsigned char b_index; // index of 8x8 block inside the 16x16 block
1.145 + unsigned char ab_index; // index of 4x4 block inside the 8x8 block
1.146 +
1.147 + // These define limits to motion vector components to prevent them
1.148 + // from extending outside the UMV borders
1.149 + int mv_col_min;
1.150 + int mv_col_max;
1.151 + int mv_row_min;
1.152 + int mv_row_max;
1.153 +
1.154 + uint8_t zcoeff_blk[TX_SIZES][256];
1.155 + int skip;
1.156 +
1.157 + int encode_breakout;
1.158 +
1.159 + unsigned char *active_ptr;
1.160 +
1.161 + // note that token_costs is the cost when eob node is skipped
1.162 + vp9_coeff_cost token_costs[TX_SIZES];
1.163 + DECLARE_ALIGNED(16, uint8_t, token_cache[1024]);
1.164 +
1.165 + int optimize;
1.166 +
1.167 + // indicate if it is in the rd search loop or encoding process
1.168 + int use_lp32x32fdct;
1.169 + int skip_encode;
1.170 +
1.171 + // Used to store sub partition's choices.
1.172 + int fast_ms;
1.173 + int_mv pred_mv[MAX_REF_FRAMES];
1.174 + int subblock_ref;
1.175 +
1.176 + // TODO(jingning): Need to refactor the structure arrays that buffers the
1.177 + // coding mode decisions of each partition type.
1.178 + PICK_MODE_CONTEXT ab4x4_context[4][4][4];
1.179 + PICK_MODE_CONTEXT sb8x4_context[4][4][4];
1.180 + PICK_MODE_CONTEXT sb4x8_context[4][4][4];
1.181 + PICK_MODE_CONTEXT sb8x8_context[4][4][4];
1.182 + PICK_MODE_CONTEXT sb8x16_context[4][4][2];
1.183 + PICK_MODE_CONTEXT sb16x8_context[4][4][2];
1.184 + PICK_MODE_CONTEXT mb_context[4][4];
1.185 + PICK_MODE_CONTEXT sb32x16_context[4][2];
1.186 + PICK_MODE_CONTEXT sb16x32_context[4][2];
1.187 + // when 4 MBs share coding parameters:
1.188 + PICK_MODE_CONTEXT sb32_context[4];
1.189 + PICK_MODE_CONTEXT sb32x64_context[2];
1.190 + PICK_MODE_CONTEXT sb64x32_context[2];
1.191 + PICK_MODE_CONTEXT sb64_context;
1.192 + int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];
1.193 +
1.194 + BLOCK_SIZE b_partitioning[4][4][4];
1.195 + BLOCK_SIZE mb_partitioning[4][4];
1.196 + BLOCK_SIZE sb_partitioning[4];
1.197 + BLOCK_SIZE sb64_partitioning;
1.198 +
1.199 + void (*fwd_txm4x4)(const int16_t *input, int16_t *output, int stride);
1.200 +};
1.201 +
1.202 +// TODO(jingning): the variables used here are little complicated. need further
1.203 +// refactoring on organizing the temporary buffers, when recursive
1.204 +// partition down to 4x4 block size is enabled.
1.205 +static PICK_MODE_CONTEXT *get_block_context(MACROBLOCK *x, BLOCK_SIZE bsize) {
1.206 + switch (bsize) {
1.207 + case BLOCK_64X64:
1.208 + return &x->sb64_context;
1.209 + case BLOCK_64X32:
1.210 + return &x->sb64x32_context[x->sb_index];
1.211 + case BLOCK_32X64:
1.212 + return &x->sb32x64_context[x->sb_index];
1.213 + case BLOCK_32X32:
1.214 + return &x->sb32_context[x->sb_index];
1.215 + case BLOCK_32X16:
1.216 + return &x->sb32x16_context[x->sb_index][x->mb_index];
1.217 + case BLOCK_16X32:
1.218 + return &x->sb16x32_context[x->sb_index][x->mb_index];
1.219 + case BLOCK_16X16:
1.220 + return &x->mb_context[x->sb_index][x->mb_index];
1.221 + case BLOCK_16X8:
1.222 + return &x->sb16x8_context[x->sb_index][x->mb_index][x->b_index];
1.223 + case BLOCK_8X16:
1.224 + return &x->sb8x16_context[x->sb_index][x->mb_index][x->b_index];
1.225 + case BLOCK_8X8:
1.226 + return &x->sb8x8_context[x->sb_index][x->mb_index][x->b_index];
1.227 + case BLOCK_8X4:
1.228 + return &x->sb8x4_context[x->sb_index][x->mb_index][x->b_index];
1.229 + case BLOCK_4X8:
1.230 + return &x->sb4x8_context[x->sb_index][x->mb_index][x->b_index];
1.231 + case BLOCK_4X4:
1.232 + return &x->ab4x4_context[x->sb_index][x->mb_index][x->b_index];
1.233 + default:
1.234 + assert(0);
1.235 + return NULL;
1.236 + }
1.237 +}
1.238 +
1.239 +struct rdcost_block_args {
1.240 + MACROBLOCK *x;
1.241 + ENTROPY_CONTEXT t_above[16];
1.242 + ENTROPY_CONTEXT t_left[16];
1.243 + TX_SIZE tx_size;
1.244 + int bw;
1.245 + int bh;
1.246 + int rate;
1.247 + int64_t dist;
1.248 + int64_t sse;
1.249 + int this_rate;
1.250 + int64_t this_dist;
1.251 + int64_t this_sse;
1.252 + int64_t this_rd;
1.253 + int64_t best_rd;
1.254 + int skip;
1.255 + const int16_t *scan, *nb;
1.256 +};
1.257 +
1.258 +#endif // VP9_ENCODER_VP9_BLOCK_H_
