2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
12 #ifndef VP10_COMMON_BLOCKD_H_
13 #define VP10_COMMON_BLOCKD_H_
15 #include "./vpx_config.h"
17 #include "vpx_dsp/vpx_dsp_common.h"
18 #include "vpx_ports/mem.h"
19 #include "vpx_scale/yv12config.h"
21 #include "vp10/common/common_data.h"
22 #include "vp10/common/entropy.h"
23 #include "vp10/common/entropymode.h"
24 #include "vp10/common/mv.h"
25 #include "vp10/common/scale.h"
26 #include "vp10/common/seg_common.h"
27 #include "vp10/common/tile_common.h"
33 #define MAX_MB_PLANE 3
41 static INLINE int is_inter_mode(PREDICTION_MODE mode) {
42 return mode >= NEARESTMV && mode <= NEWMV;
45 /* For keyframes, intra block modes are predicted by the (already decoded)
46 modes for the Y blocks to the left and above us; for interframes, there
47 is a single probability table. */
50 PREDICTION_MODE as_mode;
51 int_mv as_mv[2]; // first, second inter predictor motion vectors
54 // Note that the rate-distortion optimization loop, bit-stream writer, and
55 // decoder implementation modules critically rely on the defined entry values
56 // specified herein. They should be refactored concurrently.
61 #define GOLDEN_FRAME 2
62 #define ALTREF_FRAME 3
63 #define MAX_REF_FRAMES 4
64 typedef int8_t MV_REFERENCE_FRAME;
66 // This structure now relates to 8x8 block regions.
68 // Common for both INTER and INTRA blocks
77 int8_t seg_id_predicted; // valid only when temporal_update is enabled
79 // Only for INTRA blocks
80 PREDICTION_MODE uv_mode;
82 // Only for INTER blocks
83 INTERP_FILTER interp_filter;
84 MV_REFERENCE_FRAME ref_frame[2];
86 // TODO(slavarnway): Delete and use bmi[3].as_mv[] instead.
90 typedef struct MODE_INFO {
95 static INLINE PREDICTION_MODE get_y_mode(const MODE_INFO *mi, int block) {
96 return mi->mbmi.sb_type < BLOCK_8X8 ? mi->bmi[block].as_mode
100 static INLINE int is_inter_block(const MB_MODE_INFO *mbmi) {
101 return mbmi->ref_frame[0] > INTRA_FRAME;
104 static INLINE int has_second_ref(const MB_MODE_INFO *mbmi) {
105 return mbmi->ref_frame[1] > INTRA_FRAME;
108 PREDICTION_MODE vp10_left_block_mode(const MODE_INFO *cur_mi,
109 const MODE_INFO *left_mi, int b);
111 PREDICTION_MODE vp10_above_block_mode(const MODE_INFO *cur_mi,
112 const MODE_INFO *above_mi, int b);
124 struct macroblockd_plane {
126 PLANE_TYPE plane_type;
130 struct buf_2d pre[2];
131 ENTROPY_CONTEXT *above_context;
132 ENTROPY_CONTEXT *left_context;
133 int16_t seg_dequant[MAX_SEGMENTS][2];
135 // number of 4x4s in current block
137 // log2 of n4_w, n4_h
138 uint8_t n4_wl, n4_hl;
141 const int16_t *dequant;
144 #define BLOCK_OFFSET(x, i) ((x) + (i) * 16)
146 typedef struct RefBuffer {
147 // TODO(dkovalev): idx is not really required and should be removed, now it
148 // is used in vp10_onyxd_if.c
150 YV12_BUFFER_CONFIG *buf;
151 struct scale_factors sf;
154 typedef struct macroblockd {
155 struct macroblockd_plane plane[MAX_MB_PLANE];
156 uint8_t bmode_blocks_wl;
157 uint8_t bmode_blocks_hl;
159 FRAME_COUNTS *counts;
167 MB_MODE_INFO *left_mbmi;
168 MB_MODE_INFO *above_mbmi;
173 const vpx_prob (*partition_probs)[PARTITION_TYPES - 1];
175 /* Distance of MB away from frame edges */
177 int mb_to_right_edge;
179 int mb_to_bottom_edge;
183 /* pointers to reference frames */
184 RefBuffer *block_refs[2];
186 /* pointer to current frame */
187 const YV12_BUFFER_CONFIG *cur_buf;
189 ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
190 ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16];
192 PARTITION_CONTEXT *above_seg_context;
193 PARTITION_CONTEXT left_seg_context[8];
195 #if CONFIG_VP9_HIGHBITDEPTH
196 /* Bit depth: 8, 10, 12 */
203 struct vpx_internal_error_info *error_info;
206 static INLINE BLOCK_SIZE get_subsize(BLOCK_SIZE bsize,
207 PARTITION_TYPE partition) {
208 return subsize_lookup[partition][bsize];
211 static const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = {
224 static INLINE TX_TYPE get_tx_type(PLANE_TYPE plane_type, const MACROBLOCKD *xd,
226 const MODE_INFO *const mi = xd->mi[0];
227 const MB_MODE_INFO *const mbmi = &mi->mbmi;
229 if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(mbmi) ||
230 mbmi->tx_size >= TX_32X32)
233 return intra_mode_to_tx_type_lookup[get_y_mode(mi, block_idx)];
236 void vp10_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y);
238 static INLINE TX_SIZE get_uv_tx_size_impl(TX_SIZE y_tx_size, BLOCK_SIZE bsize,
240 if (bsize < BLOCK_8X8) {
243 const BLOCK_SIZE plane_bsize = ss_size_lookup[bsize][xss][yss];
244 return VPXMIN(y_tx_size, max_txsize_lookup[plane_bsize]);
248 static INLINE TX_SIZE get_uv_tx_size(const MB_MODE_INFO *mbmi,
249 const struct macroblockd_plane *pd) {
250 return get_uv_tx_size_impl(mbmi->tx_size, mbmi->sb_type, pd->subsampling_x,
254 static INLINE BLOCK_SIZE get_plane_block_size(BLOCK_SIZE bsize,
255 const struct macroblockd_plane *pd) {
256 return ss_size_lookup[bsize][pd->subsampling_x][pd->subsampling_y];
259 static INLINE void reset_skip_context(MACROBLOCKD *xd, BLOCK_SIZE bsize) {
261 for (i = 0; i < MAX_MB_PLANE; i++) {
262 struct macroblockd_plane *const pd = &xd->plane[i];
263 const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
264 memset(pd->above_context, 0,
265 sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_wide_lookup[plane_bsize]);
266 memset(pd->left_context, 0,
267 sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_high_lookup[plane_bsize]);
271 static INLINE const vpx_prob *get_y_mode_probs(const MODE_INFO *mi,
272 const MODE_INFO *above_mi,
273 const MODE_INFO *left_mi,
275 const PREDICTION_MODE above = vp10_above_block_mode(mi, above_mi, block);
276 const PREDICTION_MODE left = vp10_left_block_mode(mi, left_mi, block);
277 return vp10_kf_y_mode_prob[above][left];
280 typedef void (*foreach_transformed_block_visitor)(int plane, int block,
281 BLOCK_SIZE plane_bsize,
285 void vp10_foreach_transformed_block_in_plane(
286 const MACROBLOCKD *const xd, BLOCK_SIZE bsize, int plane,
287 foreach_transformed_block_visitor visit, void *arg);
290 void vp10_foreach_transformed_block(
291 const MACROBLOCKD* const xd, BLOCK_SIZE bsize,
292 foreach_transformed_block_visitor visit, void *arg);
294 static INLINE void txfrm_block_to_raster_xy(BLOCK_SIZE plane_bsize,
295 TX_SIZE tx_size, int block,
297 const int bwl = b_width_log2_lookup[plane_bsize];
298 const int tx_cols_log2 = bwl - tx_size;
299 const int tx_cols = 1 << tx_cols_log2;
300 const int raster_mb = block >> (tx_size << 1);
301 *x = (raster_mb & (tx_cols - 1)) << tx_size;
302 *y = (raster_mb >> tx_cols_log2) << tx_size;
305 void vp10_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
306 BLOCK_SIZE plane_bsize, TX_SIZE tx_size, int has_eob,
313 #endif // VP10_COMMON_BLOCKD_H_