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 72 COLOR_SPACE color_space; 73 74 int width; 75 int height; 76 int display_width; 77 int display_height; 78 int last_width; 79 int last_height; 80 81 // TODO(jkoleszar): this implies chroma ss right now, but could vary per 82 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to 83 // support additional planes. 84 int subsampling_x; 85 int subsampling_y; 86 87#if CONFIG_VP9_HIGHBITDEPTH 88 int use_highbitdepth; // Marks if we need to use 16bit frame buffers. 89#endif 90 91 YV12_BUFFER_CONFIG *frame_to_show; 92 93 RefCntBuffer frame_bufs[FRAME_BUFFERS]; 94 95 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */ 96 97 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and 98 // roll new_fb_idx into it. 99 100 // Each frame can reference REFS_PER_FRAME buffers 101 RefBuffer frame_refs[REFS_PER_FRAME]; 102 103 int new_fb_idx; 104 105 YV12_BUFFER_CONFIG post_proc_buffer; 106 107 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/ 108 FRAME_TYPE frame_type; 109 110 int show_frame; 111 int last_show_frame; 112 int show_existing_frame; 113 114 // Flag signaling that the frame is encoded using only INTRA modes. 115 int intra_only; 116 117 int allow_high_precision_mv; 118 119 // Flag signaling that the frame context should be reset to default values. 120 // 0 or 1 implies don't reset, 2 reset just the context specified in the 121 // frame header, 3 reset all contexts. 122 int reset_frame_context; 123 124 // 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; 138 139 /* We allocate a MODE_INFO struct for each macroblock, together with 140 an extra row on top and column on the left to simplify prediction. */ 141 142 int mi_idx; 143 int prev_mi_idx; 144 int mi_alloc_size; 145 MODE_INFO *mip_array[2]; 146 MODE_INFO **mi_grid_base_array[2]; 147 148 MODE_INFO *mip; /* Base of allocated array */ 149 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */ 150 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */ 151 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */ 152 153 // Persistent mb segment id map used in prediction. 154 unsigned char *last_frame_seg_map; 155 156 INTERP_FILTER interp_filter; 157 158 loop_filter_info_n lf_info; 159 160 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */ 161 162 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */ 163 164 struct loopfilter lf; 165 struct segmentation seg; 166 167 // Context probabilities for reference frame prediction 168 int allow_comp_inter_inter; 169 MV_REFERENCE_FRAME comp_fixed_ref; 170 MV_REFERENCE_FRAME comp_var_ref[2]; 171 REFERENCE_MODE reference_mode; 172 173 FRAME_CONTEXT fc; /* this frame entropy */ 174 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS]; 175 unsigned int frame_context_idx; /* Context to use/update */ 176 FRAME_COUNTS counts; 177 178 unsigned int current_video_frame; 179 BITSTREAM_PROFILE profile; 180 181 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3. 182 vpx_bit_depth_t bit_depth; 183 184#if CONFIG_VP9_POSTPROC 185 struct postproc_state postproc_state; 186#endif 187 188 int error_resilient_mode; 189 int frame_parallel_decoding_mode; 190 191 int log2_tile_cols, log2_tile_rows; 192 193 // Private data associated with the frame buffer callbacks. 194 void *cb_priv; 195 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 196 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 197 198 // Handles memory for the codec. 199 InternalFrameBufferList int_frame_buffers; 200 201 PARTITION_CONTEXT *above_seg_context; 202 ENTROPY_CONTEXT *above_context; 203} VP9_COMMON; 204 205static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) { 206 if (index < 0 || index >= REF_FRAMES) 207 return NULL; 208 if (cm->ref_frame_map[index] < 0) 209 return NULL; 210 assert(cm->ref_frame_map[index] < FRAME_BUFFERS); 211 return &cm->frame_bufs[cm->ref_frame_map[index]].buf; 212} 213 214static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { 215 return &cm->frame_bufs[cm->new_fb_idx].buf; 216} 217 218static INLINE int get_free_fb(VP9_COMMON *cm) { 219 int i; 220 for (i = 0; i < FRAME_BUFFERS; i++) 221 if (cm->frame_bufs[i].ref_count == 0) 222 break; 223 224 assert(i < FRAME_BUFFERS); 225 cm->frame_bufs[i].ref_count = 1; 226 return i; 227} 228 229static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) { 230 const int ref_index = *idx; 231 232 if (ref_index >= 0 && bufs[ref_index].ref_count > 0) 233 bufs[ref_index].ref_count--; 234 235 *idx = new_idx; 236 237 bufs[new_idx].ref_count++; 238} 239 240static INLINE int mi_cols_aligned_to_sb(int n_mis) { 241 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); 242} 243 244static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) { 245 int i; 246 247 for (i = 0; i < MAX_MB_PLANE; ++i) { 248 xd->plane[i].dqcoeff = xd->dqcoeff[i]; 249 xd->above_context[i] = cm->above_context + 250 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols); 251 } 252 253 xd->above_seg_context = cm->above_seg_context; 254 xd->mi_stride = cm->mi_stride; 255} 256 257static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { 258 return cm->frame_type == KEY_FRAME || cm->intra_only; 259} 260 261static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm, 262 int ctx) { 263 return frame_is_intra_only(cm) ? vp9_kf_partition_probs[ctx] 264 : cm->fc.partition_prob[ctx]; 265} 266 267static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { 268 const int above_idx = mi_col * 2; 269 const int left_idx = (mi_row * 2) & 15; 270 int i; 271 for (i = 0; i < MAX_MB_PLANE; ++i) { 272 struct macroblockd_plane *const pd = &xd->plane[i]; 273 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; 274 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; 275 } 276} 277 278static INLINE int calc_mi_size(int len) { 279 // len is in mi units. 280 return len + MI_BLOCK_SIZE; 281} 282 283static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, 284 int mi_row, int bh, 285 int mi_col, int bw, 286 int mi_rows, int mi_cols) { 287 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); 288 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; 289 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); 290 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; 291 292 // Are edges available for intra prediction? 293 xd->up_available = (mi_row != 0); 294 xd->left_available = (mi_col > tile->mi_col_start); 295} 296 297static INLINE void set_prev_mi(VP9_COMMON *cm) { 298 const int use_prev_in_find_mv_refs = cm->width == cm->last_width && 299 cm->height == cm->last_height && 300 !cm->intra_only && 301 cm->last_show_frame; 302 // Special case: set prev_mi to NULL when the previous mode info 303 // context cannot be used. 304 cm->prev_mi = use_prev_in_find_mv_refs ? 305 cm->prev_mip + cm->mi_stride + 1 : NULL; 306} 307 308static INLINE void update_partition_context(MACROBLOCKD *xd, 309 int mi_row, int mi_col, 310 BLOCK_SIZE subsize, 311 BLOCK_SIZE bsize) { 312 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; 313 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 314 315 // num_4x4_blocks_wide_lookup[bsize] / 2 316 const int bs = num_8x8_blocks_wide_lookup[bsize]; 317 318 // update the partition context at the end notes. set partition bits 319 // of block sizes larger than the current one to be one, and partition 320 // bits of smaller block sizes to be zero. 321 vpx_memset(above_ctx, partition_context_lookup[subsize].above, bs); 322 vpx_memset(left_ctx, partition_context_lookup[subsize].left, bs); 323} 324 325static INLINE int partition_plane_context(const MACROBLOCKD *xd, 326 int mi_row, int mi_col, 327 BLOCK_SIZE bsize) { 328 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; 329 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 330 331 const int bsl = mi_width_log2(bsize); 332 const int bs = 1 << bsl; 333 int above = 0, left = 0, i; 334 335 assert(b_width_log2(bsize) == b_height_log2(bsize)); 336 assert(bsl >= 0); 337 338 for (i = 0; i < bs; i++) { 339 above |= above_ctx[i]; 340 left |= left_ctx[i]; 341 } 342 above = (above & bs) > 0; 343 left = (left & bs) > 0; 344 345 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; 346} 347 348#ifdef __cplusplus 349} // extern "C" 350#endif 351 352#endif // VP9_COMMON_VP9_ONYXC_INT_H_ 353