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.
11 #ifndef VP9_COMMON_VP9_ONYXC_INT_H_
12 #define VP9_COMMON_VP9_ONYXC_INT_H_
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"
25 #if CONFIG_VP9_POSTPROC
26 #include "vp9/common/vp9_postproc.h"
33 #define REFS_PER_FRAME 3
35 #define REF_FRAMES_LOG2 3
36 #define REF_FRAMES (1 << REF_FRAMES_LOG2)
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)
43 #define FRAME_CONTEXTS_LOG2 2
44 #define FRAME_CONTEXTS (1 << FRAME_CONTEXTS_LOG2)
47 PARTITION_CONTEXT above;
48 PARTITION_CONTEXT left;
49 } partition_context_lookup[BLOCK_SIZES];
54 COMPOUND_REFERENCE = 1,
55 REFERENCE_MODE_SELECT = 2,
62 vpx_codec_frame_buffer_t raw_frame_buffer;
63 YV12_BUFFER_CONFIG buf;
66 typedef struct VP9Common {
67 struct vpx_internal_error_info error;
69 DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
70 DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
72 COLOR_SPACE color_space;
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.
87 #if CONFIG_VP9_HIGHBITDEPTH
88 int use_highbitdepth; // Marks if we need to use 16bit frame buffers.
91 YV12_BUFFER_CONFIG *frame_to_show;
93 RefCntBuffer frame_bufs[FRAME_BUFFERS];
95 int ref_frame_map[REF_FRAMES]; /* maps fb_idx to reference slot */
97 // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
98 // roll new_fb_idx into it.
100 // Each frame can reference REFS_PER_FRAME buffers
101 RefBuffer frame_refs[REFS_PER_FRAME];
105 YV12_BUFFER_CONFIG post_proc_buffer;
107 FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
108 FRAME_TYPE frame_type;
112 int show_existing_frame;
114 // Flag signaling that the frame is encoded using only INTRA modes.
117 int allow_high_precision_mv;
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;
124 // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
125 // MODE_INFO (8-pixel) units.
127 int mb_rows, mi_rows;
128 int mb_cols, mi_cols;
131 /* profile settings */
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. */
145 MODE_INFO *mip_array[2];
147 MODE_INFO *mip; /* Base of allocated array */
148 MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
149 MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
150 MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
152 // Persistent mb segment id map used in prediction.
153 unsigned char *last_frame_seg_map;
155 INTERP_FILTER interp_filter;
157 loop_filter_info_n lf_info;
159 int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
161 int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
163 struct loopfilter lf;
164 struct segmentation seg;
166 // Context probabilities for reference frame prediction
167 int allow_comp_inter_inter;
168 MV_REFERENCE_FRAME comp_fixed_ref;
169 MV_REFERENCE_FRAME comp_var_ref[2];
170 REFERENCE_MODE reference_mode;
172 FRAME_CONTEXT fc; /* this frame entropy */
173 FRAME_CONTEXT frame_contexts[FRAME_CONTEXTS];
174 unsigned int frame_context_idx; /* Context to use/update */
177 unsigned int current_video_frame;
178 BITSTREAM_PROFILE profile;
180 // VPX_BITS_8 in profile 0 or 1, VPX_BITS_10 or VPX_BITS_12 in profile 2 or 3.
181 vpx_bit_depth_t bit_depth;
182 vpx_bit_depth_t dequant_bit_depth; // bit_depth of current dequantizer
184 #if CONFIG_VP9_POSTPROC
185 struct postproc_state postproc_state;
188 int error_resilient_mode;
189 int frame_parallel_decoding_mode;
191 int log2_tile_cols, log2_tile_rows;
193 // Private data associated with the frame buffer callbacks.
195 vpx_get_frame_buffer_cb_fn_t get_fb_cb;
196 vpx_release_frame_buffer_cb_fn_t release_fb_cb;
198 // Handles memory for the codec.
199 InternalFrameBufferList int_frame_buffers;
201 PARTITION_CONTEXT *above_seg_context;
202 ENTROPY_CONTEXT *above_context;
205 static INLINE YV12_BUFFER_CONFIG *get_ref_frame(VP9_COMMON *cm, int index) {
206 if (index < 0 || index >= REF_FRAMES)
208 if (cm->ref_frame_map[index] < 0)
210 assert(cm->ref_frame_map[index] < FRAME_BUFFERS);
211 return &cm->frame_bufs[cm->ref_frame_map[index]].buf;
214 static INLINE YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
215 return &cm->frame_bufs[cm->new_fb_idx].buf;
218 static INLINE int get_free_fb(VP9_COMMON *cm) {
220 for (i = 0; i < FRAME_BUFFERS; i++)
221 if (cm->frame_bufs[i].ref_count == 0)
224 assert(i < FRAME_BUFFERS);
225 cm->frame_bufs[i].ref_count = 1;
229 static INLINE void ref_cnt_fb(RefCntBuffer *bufs, int *idx, int new_idx) {
230 const int ref_index = *idx;
232 if (ref_index >= 0 && bufs[ref_index].ref_count > 0)
233 bufs[ref_index].ref_count--;
237 bufs[new_idx].ref_count++;
240 static INLINE int mi_cols_aligned_to_sb(int n_mis) {
241 return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
244 static INLINE void init_macroblockd(VP9_COMMON *cm, MACROBLOCKD *xd) {
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);
253 xd->above_seg_context = cm->above_seg_context;
254 xd->mi_stride = cm->mi_stride;
257 static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
258 return cm->frame_type == KEY_FRAME || cm->intra_only;
261 static INLINE const vp9_prob* get_partition_probs(const VP9_COMMON *cm,
263 return frame_is_intra_only(cm) ? vp9_kf_partition_probs[ctx]
264 : cm->fc.partition_prob[ctx];
267 static 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;
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];
278 static INLINE int calc_mi_size(int len) {
279 // len is in mi units.
280 return len + MI_BLOCK_SIZE;
283 static INLINE void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
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;
292 // Are edges available for intra prediction?
293 xd->up_available = (mi_row != 0);
294 xd->left_available = (mi_col > tile->mi_col_start);
297 static 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 &&
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;
308 static INLINE void update_partition_context(MACROBLOCKD *xd,
309 int mi_row, int mi_col,
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);
315 // num_4x4_blocks_wide_lookup[bsize] / 2
316 const int bs = num_8x8_blocks_wide_lookup[bsize];
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);
325 static INLINE int partition_plane_context(const MACROBLOCKD *xd,
326 int mi_row, int mi_col,
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);
331 const int bsl = mi_width_log2_lookup[bsize];
332 const int bs = 1 << bsl;
333 int above = 0, left = 0, i;
335 assert(b_width_log2_lookup[bsize] == b_height_log2_lookup[bsize]);
338 for (i = 0; i < bs; i++) {
339 above |= above_ctx[i];
342 above = (above & bs) > 0;
343 left = (left & bs) > 0;
345 return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
352 #endif // VP9_COMMON_VP9_ONYXC_INT_H_