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 // 4 scratch frames for the new frames to support a maximum of 4 cores decoding 41 // in parallel, 3 for scaled references on the encoder. 42 // TODO(hkuang): Add ondemand frame buffers instead of hardcoding the number 43 // of framebuffers. 44 // TODO(jkoleszar): These 3 extra references could probably come from the 45 // normal reference pool. 46 #define FRAME_BUFFERS (REF_FRAMES + 7) 47 48 #define FRAME_CONTEXTS_LOG2 2 49 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) 50 51 #define NUM_PING_PONG_BUFFERS 2 52 53 extern const struct { 54 PARTITION_CONTEXT above; 55 PARTITION_CONTEXT left; 56 } partition_context_lookup[BLOCK_SIZES]; 57 58 typedef enum { 59 SINGLE_REFERENCE = 0, 60 COMPOUND_REFERENCE = 1, 61 REFERENCE_MODE_SELECT = 2, 62 REFERENCE_MODES = 3, 63 } REFERENCE_MODE; 64 65 typedef struct { 66 int_mv mv[2]; 67 MV_REFERENCE_FRAME ref_frame[2]; 68 } MV_REF; 69 70 typedef struct { 71 int ref_count; 72 MV_REF *mvs; 73 int mi_rows; 74 int mi_cols; 75 vpx_codec_frame_buffer_t raw_frame_buffer; 76 YV12_BUFFER_CONFIG buf; 77 78 // The Following variables will only be used in frame parallel decode. 79 80 // frame_worker_owner indicates which FrameWorker owns this buffer. NULL means 81 // that no FrameWorker owns, or is decoding, this buffer. 82 VPxWorker *frame_worker_owner; 83 84 // row and col indicate which position frame has been decoded to in real 85 // pixel unit. They are reset to -1 when decoding begins and set to INT_MAX 86 // when the frame is fully decoded. 87 int row; 88 int col; 89 } RefCntBuffer; 90 91 typedef struct BufferPool { 92 // Protect BufferPool from being accessed by several FrameWorkers at 93 // the same time during frame parallel decode. 94 // TODO(hkuang): Try to use atomic variable instead of locking the whole pool. 95 #if CONFIG_MULTITHREAD 96 pthread_mutex_t pool_mutex; 97 #endif 98 99 // Private data associated with the frame buffer callbacks. 100 void *cb_priv; 101 102 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 103 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 104 105 RefCntBuffer frame_bufs[FRAME_BUFFERS]; 106 107 // Frame buffers allocated internally by the codec. 108 InternalFrameBufferList int_frame_buffers; 109 } BufferPool; 110 111 typedef struct VP9Common { 112 struct vpx_internal_error_info error; 113 vpx_color_space_t color_space; 114 vpx_color_range_t color_range; 115 int width; 116 int height; 117 int render_width; 118 int render_height; 119 int last_width; 120 int last_height; 121 122 // TODO(jkoleszar): this implies chroma ss right now, but could vary per 123 // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to 124 // support additional planes. 125 int subsampling_x; 126 int subsampling_y; 127 128 #if CONFIG_VP9_HIGHBITDEPTH 129 int use_highbitdepth; // Marks if we need to use 16bit frame buffers. 130 #endif 131 132 YV12_BUFFER_CONFIG *frame_to_show; 133 RefCntBuffer *prev_frame; 134 135 // TODO(hkuang): Combine this with cur_buf in macroblockd. 136 RefCntBuffer *cur_frame; 137 138 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */ 139 140 // Prepare ref_frame_map for the next frame. 141 // Only used in frame parallel decode. 142 int next_ref_frame_map[REF_FRAMES]; 143 144 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and 145 // roll new_fb_idx into it. 146 147 // Each frame can reference REFS_PER_FRAME buffers 148 RefBuffer frame_refs[REFS_PER_FRAME]; 149 150 int new_fb_idx; 151 152 #if CONFIG_VP9_POSTPROC 153 YV12_BUFFER_CONFIG post_proc_buffer; 154 YV12_BUFFER_CONFIG post_proc_buffer_int; 155 #endif 156 157 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/ 158 FRAME_TYPE frame_type; 159 160 int show_frame; 161 int last_show_frame; 162 int show_existing_frame; 163 164 // Flag signaling that the frame is encoded using only INTRA modes. 165 uint8_t intra_only; 166 uint8_t last_intra_only; 167 168 int allow_high_precision_mv; 169 170 // Flag signaling that the frame context should be reset to default values. 171 // 0 or 1 implies don't reset, 2 reset just the context specified in the 172 // frame header, 3 reset all contexts. 173 int reset_frame_context; 174 175 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in 176 // MODE_INFO (8-pixel) units. 177 int MBs; 178 int mb_rows, mi_rows; 179 int mb_cols, mi_cols; 180 int mi_stride; 181 182 /* profile settings */ 183 TX_MODE tx_mode; 184 185 int base_qindex; 186 int y_dc_delta_q; 187 int uv_dc_delta_q; 188 int uv_ac_delta_q; 189 int16_t y_dequant[MAX_SEGMENTS][2]; 190 int16_t uv_dequant[MAX_SEGMENTS][2]; 191 192 /* We allocate a MODE_INFO struct for each macroblock, together with 193 an extra row on top and column on the left to simplify prediction. */ 194 int mi_alloc_size; 195 MODE_INFO *mip; /* Base of allocated array */ 196 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */ 197 198 // TODO(agrange): Move prev_mi into encoder structure. 199 // prev_mip and prev_mi will only be allocated in VP9 encoder. 200 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */ 201 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */ 202 203 // Separate mi functions between encoder and decoder. 204 int (*alloc_mi)(struct VP9Common *cm, int mi_size); 205 void (*free_mi)(struct VP9Common *cm); 206 void (*setup_mi)(struct VP9Common *cm); 207 208 // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible 209 // area will be NULL. 210 MODE_INFO **mi_grid_base; 211 MODE_INFO **mi_grid_visible; 212 MODE_INFO **prev_mi_grid_base; 213 MODE_INFO **prev_mi_grid_visible; 214 215 // Whether to use previous frame's motion vectors for prediction. 216 int use_prev_frame_mvs; 217 218 // Persistent mb segment id map used in prediction. 219 int seg_map_idx; 220 int prev_seg_map_idx; 221 222 uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS]; 223 uint8_t *last_frame_seg_map; 224 uint8_t *current_frame_seg_map; 225 int seg_map_alloc_size; 226 227 INTERP_FILTER interp_filter; 228 229 loop_filter_info_n lf_info; 230 231 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */ 232 233 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */ 234 235 struct loopfilter lf; 236 struct segmentation seg; 237 238 // TODO(hkuang): Remove this as it is the same as frame_parallel_decode 239 // in pbi. 240 int frame_parallel_decode; // frame-based threading. 241 242 // Context probabilities for reference frame prediction 243 MV_REFERENCE_FRAME comp_fixed_ref; 244 MV_REFERENCE_FRAME comp_var_ref[2]; 245 REFERENCE_MODE reference_mode; 246 247 FRAME_CONTEXT *fc; /* this frame entropy */ 248 FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS 249 unsigned int frame_context_idx; /* Context to use/update */ 250 FRAME_COUNTS counts; 251 252 unsigned int current_video_frame; 253 BITSTREAM_PROFILE profile; 254 255 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3. 256 vpx_bit_depth_t bit_depth; 257 vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer 258 259 #if CONFIG_VP9_POSTPROC 260 struct postproc_state postproc_state; 261 #endif 262 263 int error_resilient_mode; 264 int frame_parallel_decoding_mode; 265 266 int log2_tile_cols, log2_tile_rows; 267 int byte_alignment; 268 int skip_loop_filter; 269 270 // Private data associated with the frame buffer callbacks. 271 void *cb_priv; 272 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 273 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 274 275 // Handles memory for the codec. 276 InternalFrameBufferList int_frame_buffers; 277 278 // External BufferPool passed from outside. 279 BufferPool *buffer_pool; 280 281 PARTITION_CONTEXT *above_seg_context; 282 ENTROPY_CONTEXT *above_context; 283 int above_context_alloc_cols; 284 } VP9_COMMON; 285 286 // TODO(hkuang): Don't need to lock the whole pool after implementing atomic 287 // frame reference count. 288 void lock_buffer_pool(BufferPool *const pool); 289 void unlock_buffer_pool(BufferPool *const pool); 290 291 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) { 292 if (index < 0 || index >= REF_FRAMES) return NULL; 293 if (cm->ref_frame_map[index] < 0) return NULL; 294 assert(cm->ref_frame_map[index] < FRAME_BUFFERS); 295 return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf; 296 } 297 298 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { 299 return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf; 300 } 301 302 static INLINE int get_free_fb(VP9_COMMON *cm) { 303 RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; 304 int i; 305 306 lock_buffer_pool(cm->buffer_pool); 307 for (i = 0; i < FRAME_BUFFERS; ++i) 308 if (frame_bufs[i].ref_count == 0) break; 309 310 if (i != FRAME_BUFFERS) { 311 frame_bufs[i].ref_count = 1; 312 } else { 313 // Reset i to be INVALID_IDX to indicate no free buffer found. 314 i = INVALID_IDX; 315 } 316 317 unlock_buffer_pool(cm->buffer_pool); 318 return i; 319 } 320 321 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) { 322 const int ref_index = *idx; 323 324 if (ref_index >= 0 && bufs[ref_index].ref_count > 0) 325 bufs[ref_index].ref_count--; 326 327 *idx = new_idx; 328 329 bufs[new_idx].ref_count++; 330 } 331 332 static INLINE int mi_cols_aligned_to_sb(int n_mis) { 333 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); 334 } 335 336 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { 337 return cm->frame_type == KEY_FRAME || cm->intra_only; 338 } 339 340 static INLINE void set_partition_probs(const VP9_COMMON *const cm, 341 MACROBLOCKD *const xd) { 342 xd->partition_probs = 343 frame_is_intra_only(cm) 344 ? &vp9_kf_partition_probs[0] 345 : (const vpx_prob(*)[PARTITION_TYPES - 1])cm->fc->partition_prob; 346 } 347 348 static INLINE void vp9_init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd, 349 tran_low_t *dqcoeff) { 350 int i; 351 352 for (i = 0; i < MAX_MB_PLANE; ++i) { 353 xd->plane[i].dqcoeff = dqcoeff; 354 xd->above_context[i] = 355 cm->above_context + 356 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols); 357 358 if (get_plane_type(i) == PLANE_TYPE_Y) { 359 memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant)); 360 } else { 361 memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant)); 362 } 363 xd->fc = cm->fc; 364 } 365 366 xd->above_seg_context = cm->above_seg_context; 367 xd->mi_stride = cm->mi_stride; 368 xd->error_info = &cm->error; 369 370 set_partition_probs(cm, xd); 371 } 372 373 static INLINE const vpx_prob *get_partition_probs(const MACROBLOCKD *xd, 374 int ctx) { 375 return xd->partition_probs[ctx]; 376 } 377 378 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { 379 const int above_idx = mi_col * 2; 380 const int left_idx = (mi_row * 2) & 15; 381 int i; 382 for (i = 0; i < MAX_MB_PLANE; ++i) { 383 struct macroblockd_plane *const pd = &xd->plane[i]; 384 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; 385 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; 386 } 387 } 388 389 static INLINE int calc_mi_size(int len) { 390 // len is in mi units. 391 return len + MI_BLOCK_SIZE; 392 } 393 394 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, 395 int mi_row, int bh, int mi_col, int bw, 396 int mi_rows, int mi_cols) { 397 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); 398 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; 399 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); 400 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; 401 402 // Are edges available for intra prediction? 403 xd->above_mi = (mi_row != 0) ? xd->mi[-xd->mi_stride] : NULL; 404 xd->left_mi = (mi_col > tile->mi_col_start) ? xd->mi[-1] : NULL; 405 } 406 407 static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row, 408 int mi_col, BLOCK_SIZE subsize, 409 BLOCK_SIZE bsize) { 410 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; 411 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 412 413 // num_4x4_blocks_wide_lookup[bsize] / 2 414 const int bs = num_8x8_blocks_wide_lookup[bsize]; 415 416 // update the partition context at the end notes. set partition bits 417 // of block sizes larger than the current one to be one, and partition 418 // bits of smaller block sizes to be zero. 419 memset(above_ctx, partition_context_lookup[subsize].above, bs); 420 memset(left_ctx, partition_context_lookup[subsize].left, bs); 421 } 422 423 static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row, 424 int mi_col, BLOCK_SIZE bsize) { 425 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; 426 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 427 const int bsl = mi_width_log2_lookup[bsize]; 428 int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1; 429 430 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); 431 assert(bsl >= 0); 432 433 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; 434 } 435 436 #ifdef __cplusplus 437 } // extern "C" 438 #endif 439 440 #endif // VP9_COMMON_VP9_ONYXC_INT_H_ 441
