1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#ifndef VP9_COMMON_VP9_ONYXC_INT_H_ 12#define VP9_COMMON_VP9_ONYXC_INT_H_ 13 14#include "./vpx_config.h" 15#include "vpx/internal/vpx_codec_internal.h" 16#include "./vp9_rtcd.h" 17#include "vp9/common/vp9_loopfilter.h" 18#include "vp9/common/vp9_entropymv.h" 19#include "vp9/common/vp9_entropy.h" 20#include "vp9/common/vp9_entropymode.h" 21#include "vp9/common/vp9_frame_buffers.h" 22#include "vp9/common/vp9_quant_common.h" 23#include "vp9/common/vp9_tile_common.h" 24 25#if CONFIG_VP9_POSTPROC 26#include "vp9/common/vp9_postproc.h" 27#endif 28 29#ifdef __cplusplus 30extern "C" { 31#endif 32 33#define REFS_PER_FRAME 3 34 35#define REF_FRAMES_LOG2 3 36#define REF_FRAMES (1 << REF_FRAMES_LOG2) 37 38// 1 scratch frame for the new frame, 3 for scaled references on the encoder 39// TODO(jkoleszar): These 3 extra references could probably come from the 40// normal reference pool. 41#define FRAME_BUFFERS (REF_FRAMES + 4) 42 43#define FRAME_CONTEXTS_LOG2 2 44#define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) 45 46extern const struct { 47 PARTITION_CONTEXT above; 48 PARTITION_CONTEXT left; 49} partition_context_lookup[BLOCK_SIZES]; 50 51 52typedef enum { 53 SINGLE_REFERENCE = 0, 54 COMPOUND_REFERENCE = 1, 55 REFERENCE_MODE_SELECT = 2, 56 REFERENCE_MODES = 3, 57} REFERENCE_MODE; 58 59 60typedef struct { 61 int ref_count; 62 vpx_codec_frame_buffer_t raw_frame_buffer; 63 YV12_BUFFER_CONFIG buf; 64} RefCntBuffer; 65 66typedef struct VP9Common { 67 struct vpx_internal_error_info error; 68 69 DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]); 70 DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]); 71#if CONFIG_ALPHA 72 DECLARE_ALIGNED(16, int16_t, a_dequant[QINDEX_RANGE][8]); 73#endif 74 75 COLOR_SPACE color_space; 76 77 int width; 78 int height; 79 int display_width; 80 int display_height; 81 int last_width; 82 int last_height; 83 84 // TODO(jkoleszar): this implies chroma ss right now, but could vary per 85 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to 86 // support additional planes. 87 int subsampling_x; 88 int subsampling_y; 89 90 YV12_BUFFER_CONFIG *frame_to_show; 91 92 RefCntBuffer frame_bufs[FRAME_BUFFERS]; 93 94 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */ 95 96 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and 97 // roll new_fb_idx into it. 98 99 // Each frame can reference REFS_PER_FRAME buffers 100 RefBuffer frame_refs[REFS_PER_FRAME]; 101 102 int new_fb_idx; 103 104 YV12_BUFFER_CONFIG post_proc_buffer; 105 106 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/ 107 FRAME_TYPE frame_type; 108 109 int show_frame; 110 int last_show_frame; 111 int show_existing_frame; 112 113 // Flag signaling that the frame is encoded using only INTRA modes. 114 int intra_only; 115 116 int allow_high_precision_mv; 117 118 // Flag signaling that the frame context should be reset to default values. 119 // 0 or 1 implies don't reset, 2 reset just the context specified in the 120 // frame header, 3 reset all contexts. 121 int reset_frame_context; 122 123 int frame_flags; 124 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in 125 // MODE_INFO (8-pixel) units. 126 int MBs; 127 int mb_rows, mi_rows; 128 int mb_cols, mi_cols; 129 int mi_stride; 130 131 /* profile settings */ 132 TX_MODE tx_mode; 133 134 int base_qindex; 135 int y_dc_delta_q; 136 int uv_dc_delta_q; 137 int uv_ac_delta_q; 138#if CONFIG_ALPHA 139 int a_dc_delta_q; 140 int a_ac_delta_q; 141#endif 142 143 /* We allocate a MODE_INFO struct for each macroblock, together with 144 an extra row on top and column on the left to simplify prediction. */ 145 146 MODE_INFO *mip; /* Base of allocated array */ 147 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */ 148 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */ 149 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */ 150 151 MODE_INFO **mi_grid_base; 152 MODE_INFO **mi_grid_visible; 153 MODE_INFO **prev_mi_grid_base; 154 MODE_INFO **prev_mi_grid_visible; 155 156 // Persistent mb segment id map used in prediction. 157 unsigned char *last_frame_seg_map; 158 159 INTERP_FILTER interp_filter; 160 161 loop_filter_info_n lf_info; 162 163 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */ 164 165 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */ 166 167 struct loopfilter lf; 168 struct segmentation seg; 169 170 // Context probabilities for reference frame prediction 171 int allow_comp_inter_inter; 172 MV_REFERENCE_FRAME comp_fixed_ref; 173 MV_REFERENCE_FRAME comp_var_ref[2]; 174 REFERENCE_MODE reference_mode; 175 176 FRAME_CONTEXT fc; /* this frame entropy */ 177 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS]; 178 unsigned int frame_context_idx; /* Context to use/update */ 179 FRAME_COUNTS counts; 180 181 unsigned int current_video_frame; 182 BITSTREAM_PROFILE profile; 183 184 // BITS_8 in versions 0 and 1, BITS_10 or BITS_12 in version 2 185 BIT_DEPTH bit_depth; 186 187#if CONFIG_VP9_POSTPROC 188 struct postproc_state postproc_state; 189#endif 190 191 int error_resilient_mode; 192 int frame_parallel_decoding_mode; 193 194 // Flag indicates if prev_mi can be used in coding: 195 // 0: encoder assumes decoder does not have prev_mi 196 // 1: encoder assumes decoder has and uses prev_mi 197 unsigned int coding_use_prev_mi; 198 199 int log2_tile_cols, log2_tile_rows; 200 201 // Private data associated with the frame buffer callbacks. 202 void *cb_priv; 203 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 204 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 205 206 // Handles memory for the codec. 207 InternalFrameBufferList int_frame_buffers; 208 209 PARTITION_CONTEXT *above_seg_context; 210 ENTROPY_CONTEXT *above_context; 211} VP9_COMMON; 212 213static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { 214 return &cm->frame_bufs[cm->new_fb_idx].buf; 215} 216 217static INLINE int get_free_fb(VP9_COMMON *cm) { 218 int i; 219 for (i = 0; i < FRAME_BUFFERS; i++) 220 if (cm->frame_bufs[i].ref_count == 0) 221 break; 222 223 assert(i < FRAME_BUFFERS); 224 cm->frame_bufs[i].ref_count = 1; 225 return i; 226} 227 228static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) { 229 const int ref_index = *idx; 230 231 if (ref_index >= 0 && bufs[ref_index].ref_count > 0) 232 bufs[ref_index].ref_count--; 233 234 *idx = new_idx; 235 236 bufs[new_idx].ref_count++; 237} 238 239static INLINE int mi_cols_aligned_to_sb(int n_mis) { 240 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); 241} 242 243static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) { 244 int i; 245 246 for (i = 0; i < MAX_MB_PLANE; ++i) { 247 xd->plane[i].dqcoeff = xd->dqcoeff[i]; 248 xd->above_context[i] = cm->above_context + 249 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols); 250 } 251 252 xd->above_seg_context = cm->above_seg_context; 253 xd->mi_stride = cm->mi_stride; 254} 255 256static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm, 257 int ctx) { 258 return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx] 259 : cm->fc.partition_prob[ctx]; 260} 261 262static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { 263 const int above_idx = mi_col * 2; 264 const int left_idx = (mi_row * 2) & 15; 265 int i; 266 for (i = 0; i < MAX_MB_PLANE; ++i) { 267 struct macroblockd_plane *const pd = &xd->plane[i]; 268 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; 269 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; 270 } 271} 272 273static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, 274 int mi_row, int bh, 275 int mi_col, int bw, 276 int mi_rows, int mi_cols) { 277 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); 278 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; 279 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); 280 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; 281 282 // Are edges available for intra prediction? 283 xd->up_available = (mi_row != 0); 284 xd->left_available = (mi_col > tile->mi_col_start); 285} 286 287static INLINE MODE_INFO *get_prev_mi(VP9_COMMON *cm) { 288 const int use_prev_mi = cm->coding_use_prev_mi && 289 cm->width == cm->last_width && 290 cm->height == cm->last_height && 291 !cm->intra_only && 292 cm->last_show_frame; 293 // Special case: set prev_mi to NULL when the previous mode info 294 // context cannot be used. 295 return use_prev_mi ? &cm->prev_mip[cm->mi_stride + 1] : NULL; 296} 297 298static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { 299 return cm->frame_type == KEY_FRAME || cm->intra_only; 300} 301 302static INLINE void update_partition_context(MACROBLOCKD *xd, 303 int mi_row, int mi_col, 304 BLOCK_SIZE subsize, 305 BLOCK_SIZE bsize) { 306 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; 307 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 308 309 // num_4x4_blocks_wide_lookup[bsize] / 2 310 const int bs = num_8x8_blocks_wide_lookup[bsize]; 311 312 // update the partition context at the end notes. set partition bits 313 // of block sizes larger than the current one to be one, and partition 314 // bits of smaller block sizes to be zero. 315 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs); 316 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs); 317} 318 319static INLINE int partition_plane_context(const MACROBLOCKD *xd, 320 int mi_row, int mi_col, 321 BLOCK_SIZE bsize) { 322 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; 323 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 324 325 const int bsl = mi_width_log2(bsize); 326 const int bs = 1 << bsl; 327 int above = 0, left = 0, i; 328 329 assert(b_width_log2(bsize) == b_height_log2(bsize)); 330 assert(bsl >= 0); 331 332 for (i = 0; i < bs; i++) { 333 above |= above_ctx[i]; 334 left |= left_ctx[i]; 335 } 336 above = (above & bs) > 0; 337 left = (left & bs) > 0; 338 339 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; 340} 341 342#ifdef __cplusplus 343} // extern "C" 344#endif 345 346#endif // VP9_COMMON_VP9_ONYXC_INT_H_ 347