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 VPX_VP9_COMMON_VP9_ONYXC_INT_H_ 12 #define VPX_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, REFS_PER_FRAME for scaled references on 41 // the encoder. 42 #define FRAME_BUFFERS (REF_FRAMES + 1 + REFS_PER_FRAME) 43 44 #define FRAME_CONTEXTS_LOG2 2 45 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2) 46 47 #define NUM_PING_PONG_BUFFERS 2 48 49 extern const struct { 50 PARTITION_CONTEXT above; 51 PARTITION_CONTEXT left; 52 } partition_context_lookup[BLOCK_SIZES]; 53 54 typedef enum { 55 SINGLE_REFERENCE = 0, 56 COMPOUND_REFERENCE = 1, 57 REFERENCE_MODE_SELECT = 2, 58 REFERENCE_MODES = 3, 59 } REFERENCE_MODE; 60 61 typedef struct { 62 int_mv mv[2]; 63 MV_REFERENCE_FRAME ref_frame[2]; 64 } MV_REF; 65 66 typedef struct { 67 int ref_count; 68 MV_REF *mvs; 69 int mi_rows; 70 int mi_cols; 71 uint8_t released; 72 int frame_index; 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 int cur_show_frame_fb_idx; 132 133 #if CONFIG_VP9_POSTPROC 134 YV12_BUFFER_CONFIG post_proc_buffer; 135 YV12_BUFFER_CONFIG post_proc_buffer_int; 136 #endif 137 138 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/ 139 FRAME_TYPE frame_type; 140 141 int show_frame; 142 int last_show_frame; 143 int show_existing_frame; 144 145 // Flag signaling that the frame is encoded using only INTRA modes. 146 uint8_t intra_only; 147 uint8_t last_intra_only; 148 149 int allow_high_precision_mv; 150 151 // Flag signaling that the frame context should be reset to default values. 152 // 0 or 1 implies don't reset, 2 reset just the context specified in the 153 // frame header, 3 reset all contexts. 154 int reset_frame_context; 155 156 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in 157 // MODE_INFO (8-pixel) units. 158 int MBs; 159 int mb_rows, mi_rows; 160 int mb_cols, mi_cols; 161 int mi_stride; 162 163 /* profile settings */ 164 TX_MODE tx_mode; 165 166 int base_qindex; 167 int y_dc_delta_q; 168 int uv_dc_delta_q; 169 int uv_ac_delta_q; 170 int16_t y_dequant[MAX_SEGMENTS][2]; 171 int16_t uv_dequant[MAX_SEGMENTS][2]; 172 173 /* We allocate a MODE_INFO struct for each macroblock, together with 174 an extra row on top and column on the left to simplify prediction. */ 175 int mi_alloc_size; 176 MODE_INFO *mip; /* Base of allocated array */ 177 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */ 178 179 // TODO(agrange): Move prev_mi into encoder structure. 180 // prev_mip and prev_mi will only be allocated in VP9 encoder. 181 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */ 182 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */ 183 184 // Separate mi functions between encoder and decoder. 185 int (*alloc_mi)(struct VP9Common *cm, int mi_size); 186 void (*free_mi)(struct VP9Common *cm); 187 void (*setup_mi)(struct VP9Common *cm); 188 189 // Grid of pointers to 8x8 MODE_INFO structs. Any 8x8 not in the visible 190 // area will be NULL. 191 MODE_INFO **mi_grid_base; 192 MODE_INFO **mi_grid_visible; 193 MODE_INFO **prev_mi_grid_base; 194 MODE_INFO **prev_mi_grid_visible; 195 196 // Whether to use previous frame's motion vectors for prediction. 197 int use_prev_frame_mvs; 198 199 // Persistent mb segment id map used in prediction. 200 int seg_map_idx; 201 int prev_seg_map_idx; 202 203 uint8_t *seg_map_array[NUM_PING_PONG_BUFFERS]; 204 uint8_t *last_frame_seg_map; 205 uint8_t *current_frame_seg_map; 206 int seg_map_alloc_size; 207 208 INTERP_FILTER interp_filter; 209 210 loop_filter_info_n lf_info; 211 212 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */ 213 214 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */ 215 216 struct loopfilter lf; 217 struct segmentation seg; 218 219 // Context probabilities for reference frame prediction 220 MV_REFERENCE_FRAME comp_fixed_ref; 221 MV_REFERENCE_FRAME comp_var_ref[2]; 222 REFERENCE_MODE reference_mode; 223 224 FRAME_CONTEXT *fc; /* this frame entropy */ 225 FRAME_CONTEXT *frame_contexts; // FRAME_CONTEXTS 226 unsigned int frame_context_idx; /* Context to use/update */ 227 FRAME_COUNTS counts; 228 229 unsigned int current_video_frame; 230 BITSTREAM_PROFILE profile; 231 232 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3. 233 vpx_bit_depth_t bit_depth; 234 vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer 235 236 #if CONFIG_VP9_POSTPROC 237 struct postproc_state postproc_state; 238 #endif 239 240 int error_resilient_mode; 241 int frame_parallel_decoding_mode; 242 243 int log2_tile_cols, log2_tile_rows; 244 int byte_alignment; 245 int skip_loop_filter; 246 247 // Private data associated with the frame buffer callbacks. 248 void *cb_priv; 249 vpx_get_frame_buffer_cb_fn_t get_fb_cb; 250 vpx_release_frame_buffer_cb_fn_t release_fb_cb; 251 252 // Handles memory for the codec. 253 InternalFrameBufferList int_frame_buffers; 254 255 // External BufferPool passed from outside. 256 BufferPool *buffer_pool; 257 258 PARTITION_CONTEXT *above_seg_context; 259 ENTROPY_CONTEXT *above_context; 260 int above_context_alloc_cols; 261 262 int lf_row; 263 } VP9_COMMON; 264 265 static INLINE YV12_BUFFER_CONFIG *get_buf_frame(VP9_COMMON *cm, int index) { 266 if (index < 0 || index >= FRAME_BUFFERS) return NULL; 267 if (cm->error.error_code != VPX_CODEC_OK) return NULL; 268 return &cm->buffer_pool->frame_bufs[index].buf; 269 } 270 271 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) { 272 if (index < 0 || index >= REF_FRAMES) return NULL; 273 if (cm->ref_frame_map[index] < 0) return NULL; 274 assert(cm->ref_frame_map[index] < FRAME_BUFFERS); 275 return &cm->buffer_pool->frame_bufs[cm->ref_frame_map[index]].buf; 276 } 277 278 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) { 279 return &cm->buffer_pool->frame_bufs[cm->new_fb_idx].buf; 280 } 281 282 static INLINE int get_free_fb(VP9_COMMON *cm) { 283 RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs; 284 int i; 285 286 for (i = 0; i < FRAME_BUFFERS; ++i) 287 if (frame_bufs[i].ref_count == 0) break; 288 289 if (i != FRAME_BUFFERS) { 290 frame_bufs[i].ref_count = 1; 291 } else { 292 // Reset i to be INVALID_IDX to indicate no free buffer found. 293 i = INVALID_IDX; 294 } 295 296 return i; 297 } 298 299 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) { 300 const int ref_index = *idx; 301 302 if (ref_index >= 0 && bufs[ref_index].ref_count > 0) 303 bufs[ref_index].ref_count--; 304 305 *idx = new_idx; 306 307 bufs[new_idx].ref_count++; 308 } 309 310 static INLINE int mi_cols_aligned_to_sb(int n_mis) { 311 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2); 312 } 313 314 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) { 315 return cm->frame_type == KEY_FRAME || cm->intra_only; 316 } 317 318 static INLINE void set_partition_probs(const VP9_COMMON *const cm, 319 MACROBLOCKD *const xd) { 320 xd->partition_probs = 321 frame_is_intra_only(cm) 322 ? &vp9_kf_partition_probs[0] 323 : (const vpx_prob(*)[PARTITION_TYPES - 1]) cm->fc->partition_prob; 324 } 325 326 static INLINE void vp9_init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd, 327 tran_low_t *dqcoeff) { 328 int i; 329 330 for (i = 0; i < MAX_MB_PLANE; ++i) { 331 xd->plane[i].dqcoeff = dqcoeff; 332 xd->above_context[i] = 333 cm->above_context + 334 i * sizeof(*cm->above_context) * 2 * mi_cols_aligned_to_sb(cm->mi_cols); 335 336 if (get_plane_type(i) == PLANE_TYPE_Y) { 337 memcpy(xd->plane[i].seg_dequant, cm->y_dequant, sizeof(cm->y_dequant)); 338 } else { 339 memcpy(xd->plane[i].seg_dequant, cm->uv_dequant, sizeof(cm->uv_dequant)); 340 } 341 xd->fc = cm->fc; 342 } 343 344 xd->above_seg_context = cm->above_seg_context; 345 xd->mi_stride = cm->mi_stride; 346 xd->error_info = &cm->error; 347 348 set_partition_probs(cm, xd); 349 } 350 351 static INLINE const vpx_prob *get_partition_probs(const MACROBLOCKD *xd, 352 int ctx) { 353 return xd->partition_probs[ctx]; 354 } 355 356 static INLINE void set_skip_context(MACROBLOCKD *xd, int mi_row, int mi_col) { 357 const int above_idx = mi_col * 2; 358 const int left_idx = (mi_row * 2) & 15; 359 int i; 360 for (i = 0; i < MAX_MB_PLANE; ++i) { 361 struct macroblockd_plane *const pd = &xd->plane[i]; 362 pd->above_context = &xd->above_context[i][above_idx >> pd->subsampling_x]; 363 pd->left_context = &xd->left_context[i][left_idx >> pd->subsampling_y]; 364 } 365 } 366 367 static INLINE int calc_mi_size(int len) { 368 // len is in mi units. 369 return len + MI_BLOCK_SIZE; 370 } 371 372 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile, 373 int mi_row, int bh, int mi_col, int bw, 374 int mi_rows, int mi_cols) { 375 xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8); 376 xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8; 377 xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8); 378 xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8; 379 380 // Are edges available for intra prediction? 381 xd->above_mi = (mi_row != 0) ? xd->mi[-xd->mi_stride] : NULL; 382 xd->left_mi = (mi_col > tile->mi_col_start) ? xd->mi[-1] : NULL; 383 } 384 385 static INLINE void update_partition_context(MACROBLOCKD *xd, int mi_row, 386 int mi_col, BLOCK_SIZE subsize, 387 BLOCK_SIZE bsize) { 388 PARTITION_CONTEXT *const above_ctx = xd->above_seg_context + mi_col; 389 PARTITION_CONTEXT *const left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 390 391 // num_4x4_blocks_wide_lookup[bsize] / 2 392 const int bs = num_8x8_blocks_wide_lookup[bsize]; 393 394 // update the partition context at the end notes. set partition bits 395 // of block sizes larger than the current one to be one, and partition 396 // bits of smaller block sizes to be zero. 397 memset(above_ctx, partition_context_lookup[subsize].above, bs); 398 memset(left_ctx, partition_context_lookup[subsize].left, bs); 399 } 400 401 static INLINE int partition_plane_context(const MACROBLOCKD *xd, int mi_row, 402 int mi_col, BLOCK_SIZE bsize) { 403 const PARTITION_CONTEXT *above_ctx = xd->above_seg_context + mi_col; 404 const PARTITION_CONTEXT *left_ctx = xd->left_seg_context + (mi_row & MI_MASK); 405 const int bsl = mi_width_log2_lookup[bsize]; 406 int above = (*above_ctx >> bsl) & 1, left = (*left_ctx >> bsl) & 1; 407 408 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]); 409 assert(bsl >= 0); 410 411 return (left * 2 + above) + bsl * PARTITION_PLOFFSET; 412 } 413 414 #ifdef __cplusplus 415 } // extern "C" 416 #endif 417 418 #endif // VPX_VP9_COMMON_VP9_ONYXC_INT_H_ 419
