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 "vpx_util/vpx_thread.h" 17 #include "./vp9_rtcd.h" 18 #include "vp9/common/vp9_alloccommon.h" 19 #include "vp9/common/vp9_loopfilter.h" 20 #include "vp9/common/vp9_entropymv.h" 21 #include "vp9/common/vp9_entropy.h" 22 #include "vp9/common/vp9_entropymode.h" 23 #include "vp9/common/vp9_frame_buffers.h" 24 #include "vp9/common/vp9_quant_common.h" 25 #include "vp9/common/vp9_tile_common.h" 26 27 #if CONFIG_VP9_POSTPROC 28 #include "vp9/common/vp9_postproc.h" 29 #endif 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #define REFS_PER_FRAME 3 36 37 #define REF_FRAMES_LOG2 3 38 #define REF_FRAMES (1 << REF_FRAMES_LOG2) 39 40 // 1 scratch frame for the new frame, 3 for scaled references on the encoder. 41 // TODO(jkoleszar): These 3 extra references could probably come from the 42 // normal reference pool. 43 #define FRAME_BUFFERS (REF_FRAMES + 4) 44 45 #define FRAME_CONTEXTS_LOG2 2 46 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) 47 48 #define NUM_PING_PONG_BUFFERS 2 49 50 extern const struct { 51 PARTITION_CONTEXT above; 52 PARTITION_CONTEXT left; 53 } partition_context_lookup[BLOCK_SIZES]; 54 55 typedef enum { 56 SINGLE_REFERENCE = 0, 57 COMPOUND_REFERENCE = 1, 58 REFERENCE_MODE_SELECT = 2, 59 REFERENCE_MODES = 3, 60 } REFERENCE_MODE; 61 62 typedef struct { 63 int_mv mv[2]; 64 MV_REFERENCE_FRAME ref_frame[2]; 65 } MV_REF; 66 67 typedef struct { 68 int ref_count; 69 MV_REF *mvs; 70 int mi_rows; 71 int mi_cols; 72 uint8_t released; 73 vpx_codec_frame_buffer_t raw_frame_buffer; 74 YV12_BUFFER_CONFIG buf; 75 } RefCntBuffer; 76 77 typedef struct BufferPool { 78 // Private data associated with the frame buffer callbacks. 79 void *cb_priv; 80 81 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 82 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 83 84 RefCntBuffer frame_bufs[FRAME_BUFFERS]; 85 86 // Frame buffers allocated internally by the codec. 87 InternalFrameBufferList int_frame_buffers; 88 } BufferPool; 89 90 typedef struct VP9Common { 91 struct vpx_internal_error_info error; 92 vpx_color_space_t color_space; 93 vpx_color_range_t color_range; 94 int width; 95 int height; 96 int render_width; 97 int render_height; 98 int last_width; 99 int last_height; 100 101 // TODO(jkoleszar): this implies chroma ss right now, but could vary per 102 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to 103 // support additional planes. 104 int subsampling_x; 105 int subsampling_y; 106 107 #if CONFIG_VP9_HIGHBITDEPTH 108 int use_highbitdepth; // Marks if we need to use 16bit frame buffers. 109 #endif 110 111 YV12_BUFFER_CONFIG *frame_to_show; 112 RefCntBuffer *prev_frame; 113 114 // TODO(hkuang): Combine this with cur_buf in macroblockd. 115 RefCntBuffer *cur_frame; 116 117 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */ 118 119 // Prepare ref_frame_map for the next frame. 120 // Only used in frame parallel decode. 121 int next_ref_frame_map[REF_FRAMES]; 122 123 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and 124 // roll new_fb_idx into it. 125 126 // Each frame can reference REFS_PER_FRAME buffers 127 RefBuffer frame_refs[REFS_PER_FRAME]; 128 129 int new_fb_idx; 130 131 #if CONFIG_VP9_POSTPROC 132 YV12_BUFFER_CONFIG post_proc_buffer; 133 YV12_BUFFER_CONFIG post_proc_buffer_int; 134 #endif 135 136 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/ 137 FRAME_TYPE frame_type; 138 139 int show_frame; 140 int last_show_frame; 141 int show_existing_frame; 142 143 // Flag signaling that the frame is encoded using only INTRA modes. 144 uint8_t intra_only; 145 uint8_t last_intra_only; 146 147 int allow_high_precision_mv; 148 149 // Flag signaling that the frame context should be reset to default values. 150 // 0 or 1 implies don't reset, 2 reset just the context specified in the 151 // frame header, 3 reset all contexts. 152 int reset_frame_context; 153 154 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in 155 // MODE_INFO (8-pixel) units. 156 int MBs; 157 int mb_rows, mi_rows; 158 int mb_cols, mi_cols; 159 int mi_stride; 160 161 /* profile settings */ 162 TX_MODE tx_mode; 163 164 int base_qindex; 165 int y_dc_delta_q; 166 int uv_dc_delta_q; 167 int uv_ac_delta_q; 168 int16_t y_dequant[MAX_SEGMENTS][2]; 169 int16_t uv_dequant[MAX_SEGMENTS][2]; 170 171 /* We allocate a MODE_INFO struct for each macroblock, together with 172 an extra row on top and column on the left to simplify prediction. */ 173 int mi_alloc_size; 174 MODE_INFO *mip; /* Base of allocated array */ 175 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */ 176 177 // TODO(agrange): Move prev_mi into encoder structure. 178 // prev_mip and prev_mi will only be allocated in VP9 encoder. 179 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */ 180 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */ 181 182 // Separate mi functions between encoder and decoder. 183 int (*alloc_mi)(struct VP9Common *cm, int mi_size); 184 void (*free_mi)(struct VP9Common *cm); 185 void (*setup_mi)(struct VP9Common *cm); 186 187 // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible 188 // area will be NULL. 189 MODE_INFO **mi_grid_base; 190 MODE_INFO **mi_grid_visible; 191 MODE_INFO **prev_mi_grid_base; 192 MODE_INFO **prev_mi_grid_visible; 193 194 // Whether to use previous frame's motion vectors for prediction. 195 int use_prev_frame_mvs; 196 197 // Persistent mb segment id map used in prediction. 198 int seg_map_idx; 199 int prev_seg_map_idx; 200 201 uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS]; 202 uint8_t *last_frame_seg_map; 203 uint8_t *current_frame_seg_map; 204 int seg_map_alloc_size; 205 206 INTERP_FILTER interp_filter; 207 208 loop_filter_info_n lf_info; 209 210 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */ 211 212 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */ 213 214 struct loopfilter lf; 215 struct segmentation seg; 216 217 // Context probabilities for reference frame prediction 218 MV_REFERENCE_FRAME comp_fixed_ref; 219 MV_REFERENCE_FRAME comp_var_ref[2]; 220 REFERENCE_MODE reference_mode; 221 222 FRAME_CONTEXT *fc; /* this frame entropy */ 223 FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS 224 unsigned int frame_context_idx; /* Context to use/update */ 225 FRAME_COUNTS counts; 226 227 unsigned int current_video_frame; 228 BITSTREAM_PROFILE profile; 229 230 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3. 231 vpx_bit_depth_t bit_depth; 232 vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer 233 234 #if CONFIG_VP9_POSTPROC 235 struct postproc_state postproc_state; 236 #endif 237 238 int error_resilient_mode; 239 int frame_parallel_decoding_mode; 240 241 int log2_tile_cols, log2_tile_rows; 242 int byte_alignment; 243 int skip_loop_filter; 244 245 // Private data associated with the frame buffer callbacks. 246 void *cb_priv; 247 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 248 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 249 250 // Handles memory for the codec. 251 InternalFrameBufferList int_frame_buffers; 252 253 // External BufferPool passed from outside. 254 BufferPool *buffer_pool; 255 256 PARTITION_CONTEXT *above_seg_context; 257 ENTROPY_CONTEXT *above_context; 258 int above_context_alloc_cols; 259 } VP9_COMMON; 260 261 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) { 262 if (index < 0 || index >= REF_FRAMES) return NULL; 263 if (cm->ref_frame_map[index] < 0) return NULL; 264 assert(cm->ref_frame_map[index] < FRAME_BUFFERS); 265 return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf; 266 } 267 268 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { 269 return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf; 270 } 271 272 static INLINE int get_free_fb(VP9_COMMON *cm) { 273 RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; 274 int i; 275 276 for (i = 0; i < FRAME_BUFFERS; ++i) 277 if (frame_bufs[i].ref_count == 0) break; 278 279 if (i != FRAME_BUFFERS) { 280 frame_bufs[i].ref_count = 1; 281 } else { 282 // Reset i to be INVALID_IDX to indicate no free buffer found. 283 i = INVALID_IDX; 284 } 285 286 return i; 287 } 288 289 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) { 290 const int ref_index = *idx; 291 292 if (ref_index >= 0 && bufs[ref_index].ref_count > 0) 293 bufs[ref_index].ref_count--; 294 295 *idx = new_idx; 296 297 bufs[new_idx].ref_count++; 298 } 299 300 static INLINE int mi_cols_aligned_to_sb(int n_mis) { 301 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); 302 } 303 304 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { 305 return cm->frame_type == KEY_FRAME || cm->intra_only; 306 } 307 308 static INLINE void set_partition_probs(const VP9_COMMON *const cm, 309 MACROBLOCKD *const xd) { 310 xd->partition_probs = 311 frame_is_intra_only(cm) 312 ? &vp9_kf_partition_probs[0] 313 : (const vpx_prob(*)[PARTITION_TYPES - 1]) cm->fc->partition_prob; 314 } 315 316 static INLINE void vp9_init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd, 317 tran_low_t *dqcoeff) { 318 int i; 319 320 for (i = 0; i < MAX_MB_PLANE; ++i) { 321 xd->plane[i].dqcoeff = dqcoeff; 322 xd->above_context[i] = 323 cm->above_context + 324 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols); 325 326 if (get_plane_type(i) == PLANE_TYPE_Y) { 327 memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant)); 328 } else { 329 memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant)); 330 } 331 xd->fc = cm->fc; 332 } 333 334 xd->above_seg_context = cm->above_seg_context; 335 xd->mi_stride = cm->mi_stride; 336 xd->error_info = &cm->error; 337 338 set_partition_probs(cm, xd); 339 } 340 341 static INLINE const vpx_prob *get_partition_probs(const MACROBLOCKD *xd, 342 int ctx) { 343 return xd->partition_probs[ctx]; 344 } 345 346 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { 347 const int above_idx = mi_col * 2; 348 const int left_idx = (mi_row * 2) & 15; 349 int i; 350 for (i = 0; i < MAX_MB_PLANE; ++i) { 351 struct macroblockd_plane *const pd = &xd->plane[i]; 352 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; 353 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; 354 } 355 } 356 357 static INLINE int calc_mi_size(int len) { 358 // len is in mi units. 359 return len + MI_BLOCK_SIZE; 360 } 361 362 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, 363 int mi_row, int bh, int mi_col, int bw, 364 int mi_rows, int mi_cols) { 365 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); 366 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; 367 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); 368 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; 369 370 // Are edges available for intra prediction? 371 xd->above_mi = (mi_row != 0) ? xd->mi[-xd->mi_stride] : NULL; 372 xd->left_mi = (mi_col > tile->mi_col_start) ? xd->mi[-1] : NULL; 373 } 374 375 static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row, 376 int mi_col, BLOCK_SIZE subsize, 377 BLOCK_SIZE bsize) { 378 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; 379 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 380 381 // num_4x4_blocks_wide_lookup[bsize] / 2 382 const int bs = num_8x8_blocks_wide_lookup[bsize]; 383 384 // update the partition context at the end notes. set partition bits 385 // of block sizes larger than the current one to be one, and partition 386 // bits of smaller block sizes to be zero. 387 memset(above_ctx, partition_context_lookup[subsize].above, bs); 388 memset(left_ctx, partition_context_lookup[subsize].left, bs); 389 } 390 391 static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row, 392 int mi_col, BLOCK_SIZE bsize) { 393 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; 394 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 395 const int bsl = mi_width_log2_lookup[bsize]; 396 int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1; 397 398 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); 399 assert(bsl >= 0); 400 401 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; 402 } 403 404 #ifdef __cplusplus 405 } // extern "C" 406 #endif 407 408 #endif // VP9_COMMON_VP9_ONYXC_INT_H_ 409