1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/common/vp9_onyxc_int.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,350 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#ifndef VP9_COMMON_VP9_ONYXC_INT_H_
1.15 +#define VP9_COMMON_VP9_ONYXC_INT_H_
1.16 +
1.17 +#include "./vpx_config.h"
1.18 +#include "vpx/internal/vpx_codec_internal.h"
1.19 +#include "./vp9_rtcd.h"
1.20 +#include "vp9/common/vp9_loopfilter.h"
1.21 +#include "vp9/common/vp9_entropymv.h"
1.22 +#include "vp9/common/vp9_entropy.h"
1.23 +#include "vp9/common/vp9_entropymode.h"
1.24 +#include "vp9/common/vp9_quant_common.h"
1.25 +#include "vp9/common/vp9_tile_common.h"
1.26 +
1.27 +#if CONFIG_VP9_POSTPROC
1.28 +#include "vp9/common/vp9_postproc.h"
1.29 +#endif
1.30 +
1.31 +#define ALLOWED_REFS_PER_FRAME 3
1.32 +
1.33 +#define NUM_REF_FRAMES_LOG2 3
1.34 +#define NUM_REF_FRAMES (1 << NUM_REF_FRAMES_LOG2)
1.35 +
1.36 +// 1 scratch frame for the new frame, 3 for scaled references on the encoder
1.37 +// TODO(jkoleszar): These 3 extra references could probably come from the
1.38 +// normal reference pool.
1.39 +#define NUM_YV12_BUFFERS (NUM_REF_FRAMES + 4)
1.40 +
1.41 +#define NUM_FRAME_CONTEXTS_LOG2 2
1.42 +#define NUM_FRAME_CONTEXTS (1 << NUM_FRAME_CONTEXTS_LOG2)
1.43 +
1.44 +typedef struct frame_contexts {
1.45 + vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][INTRA_MODES - 1];
1.46 + vp9_prob uv_mode_prob[INTRA_MODES][INTRA_MODES - 1];
1.47 + vp9_prob partition_prob[PARTITION_CONTEXTS][PARTITION_TYPES - 1];
1.48 + vp9_coeff_probs_model coef_probs[TX_SIZES][BLOCK_TYPES];
1.49 + vp9_prob switchable_interp_prob[SWITCHABLE_FILTER_CONTEXTS]
1.50 + [SWITCHABLE_FILTERS - 1];
1.51 + vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1];
1.52 + vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
1.53 + vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS];
1.54 + vp9_prob single_ref_prob[REF_CONTEXTS][2];
1.55 + vp9_prob comp_ref_prob[REF_CONTEXTS];
1.56 + struct tx_probs tx_probs;
1.57 + vp9_prob mbskip_probs[MBSKIP_CONTEXTS];
1.58 + nmv_context nmvc;
1.59 +} FRAME_CONTEXT;
1.60 +
1.61 +typedef struct {
1.62 + unsigned int y_mode[BLOCK_SIZE_GROUPS][INTRA_MODES];
1.63 + unsigned int uv_mode[INTRA_MODES][INTRA_MODES];
1.64 + unsigned int partition[PARTITION_CONTEXTS][PARTITION_TYPES];
1.65 + vp9_coeff_count_model coef[TX_SIZES][BLOCK_TYPES];
1.66 + unsigned int eob_branch[TX_SIZES][BLOCK_TYPES][REF_TYPES]
1.67 + [COEF_BANDS][PREV_COEF_CONTEXTS];
1.68 + unsigned int switchable_interp[SWITCHABLE_FILTER_CONTEXTS]
1.69 + [SWITCHABLE_FILTERS];
1.70 + unsigned int inter_mode[INTER_MODE_CONTEXTS][INTER_MODES];
1.71 + unsigned int intra_inter[INTRA_INTER_CONTEXTS][2];
1.72 + unsigned int comp_inter[COMP_INTER_CONTEXTS][2];
1.73 + unsigned int single_ref[REF_CONTEXTS][2][2];
1.74 + unsigned int comp_ref[REF_CONTEXTS][2];
1.75 + struct tx_counts tx;
1.76 + unsigned int mbskip[MBSKIP_CONTEXTS][2];
1.77 + nmv_context_counts mv;
1.78 +} FRAME_COUNTS;
1.79 +
1.80 +
1.81 +typedef enum {
1.82 + SINGLE_PREDICTION_ONLY = 0,
1.83 + COMP_PREDICTION_ONLY = 1,
1.84 + HYBRID_PREDICTION = 2,
1.85 + NB_PREDICTION_TYPES = 3,
1.86 +} COMPPREDMODE_TYPE;
1.87 +
1.88 +typedef struct VP9Common {
1.89 + struct vpx_internal_error_info error;
1.90 +
1.91 + DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
1.92 + DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
1.93 +#if CONFIG_ALPHA
1.94 + DECLARE_ALIGNED(16, int16_t, a_dequant[QINDEX_RANGE][8]);
1.95 +#endif
1.96 +
1.97 + COLOR_SPACE color_space;
1.98 +
1.99 + int width;
1.100 + int height;
1.101 + int display_width;
1.102 + int display_height;
1.103 + int last_width;
1.104 + int last_height;
1.105 +
1.106 + // TODO(jkoleszar): this implies chroma ss right now, but could vary per
1.107 + // plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
1.108 + // support additional planes.
1.109 + int subsampling_x;
1.110 + int subsampling_y;
1.111 +
1.112 + YV12_BUFFER_CONFIG *frame_to_show;
1.113 +
1.114 + YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
1.115 + int fb_idx_ref_cnt[NUM_YV12_BUFFERS]; /* reference counts */
1.116 + int ref_frame_map[NUM_REF_FRAMES]; /* maps fb_idx to reference slot */
1.117 +
1.118 + // TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
1.119 + // roll new_fb_idx into it.
1.120 +
1.121 + // Each frame can reference ALLOWED_REFS_PER_FRAME buffers
1.122 + int active_ref_idx[ALLOWED_REFS_PER_FRAME];
1.123 + struct scale_factors active_ref_scale[ALLOWED_REFS_PER_FRAME];
1.124 + struct scale_factors_common active_ref_scale_comm[ALLOWED_REFS_PER_FRAME];
1.125 + int new_fb_idx;
1.126 +
1.127 + YV12_BUFFER_CONFIG post_proc_buffer;
1.128 +
1.129 + FRAME_TYPE last_frame_type; /* last frame's frame type for motion search.*/
1.130 + FRAME_TYPE frame_type;
1.131 +
1.132 + int show_frame;
1.133 + int last_show_frame;
1.134 +
1.135 + // Flag signaling that the frame is encoded using only INTRA modes.
1.136 + int intra_only;
1.137 +
1.138 + int allow_high_precision_mv;
1.139 +
1.140 + // Flag signaling that the frame context should be reset to default values.
1.141 + // 0 or 1 implies don't reset, 2 reset just the context specified in the
1.142 + // frame header, 3 reset all contexts.
1.143 + int reset_frame_context;
1.144 +
1.145 + int frame_flags;
1.146 + // MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
1.147 + // MODE_INFO (8-pixel) units.
1.148 + int MBs;
1.149 + int mb_rows, mi_rows;
1.150 + int mb_cols, mi_cols;
1.151 + int mode_info_stride;
1.152 +
1.153 + /* profile settings */
1.154 + TX_MODE tx_mode;
1.155 +
1.156 + int base_qindex;
1.157 + int y_dc_delta_q;
1.158 + int uv_dc_delta_q;
1.159 + int uv_ac_delta_q;
1.160 +#if CONFIG_ALPHA
1.161 + int a_dc_delta_q;
1.162 + int a_ac_delta_q;
1.163 +#endif
1.164 +
1.165 + /* We allocate a MODE_INFO struct for each macroblock, together with
1.166 + an extra row on top and column on the left to simplify prediction. */
1.167 +
1.168 + MODE_INFO *mip; /* Base of allocated array */
1.169 + MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
1.170 + MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
1.171 + MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
1.172 +
1.173 + MODE_INFO **mi_grid_base;
1.174 + MODE_INFO **mi_grid_visible;
1.175 + MODE_INFO **prev_mi_grid_base;
1.176 + MODE_INFO **prev_mi_grid_visible;
1.177 +
1.178 + // Persistent mb segment id map used in prediction.
1.179 + unsigned char *last_frame_seg_map;
1.180 +
1.181 + INTERPOLATION_TYPE mcomp_filter_type;
1.182 +
1.183 + loop_filter_info_n lf_info;
1.184 +
1.185 + int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
1.186 +
1.187 + int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
1.188 +
1.189 + struct loopfilter lf;
1.190 + struct segmentation seg;
1.191 +
1.192 + // Context probabilities for reference frame prediction
1.193 + int allow_comp_inter_inter;
1.194 + MV_REFERENCE_FRAME comp_fixed_ref;
1.195 + MV_REFERENCE_FRAME comp_var_ref[2];
1.196 + COMPPREDMODE_TYPE comp_pred_mode;
1.197 +
1.198 + FRAME_CONTEXT fc; /* this frame entropy */
1.199 + FRAME_CONTEXT frame_contexts[NUM_FRAME_CONTEXTS];
1.200 + unsigned int frame_context_idx; /* Context to use/update */
1.201 + FRAME_COUNTS counts;
1.202 +
1.203 + unsigned int current_video_frame;
1.204 + int version;
1.205 +
1.206 +#if CONFIG_VP9_POSTPROC
1.207 + struct postproc_state postproc_state;
1.208 +#endif
1.209 +
1.210 + int error_resilient_mode;
1.211 + int frame_parallel_decoding_mode;
1.212 +
1.213 + int log2_tile_cols, log2_tile_rows;
1.214 +} VP9_COMMON;
1.215 +
1.216 +// ref == 0 => LAST_FRAME
1.217 +// ref == 1 => GOLDEN_FRAME
1.218 +// ref == 2 => ALTREF_FRAME
1.219 +static YV12_BUFFER_CONFIG *get_frame_ref_buffer(VP9_COMMON *cm, int ref) {
1.220 + return &cm->yv12_fb[cm->active_ref_idx[ref]];
1.221 +}
1.222 +
1.223 +static YV12_BUFFER_CONFIG *get_frame_new_buffer(VP9_COMMON *cm) {
1.224 + return &cm->yv12_fb[cm->new_fb_idx];
1.225 +}
1.226 +
1.227 +static int get_free_fb(VP9_COMMON *cm) {
1.228 + int i;
1.229 + for (i = 0; i < NUM_YV12_BUFFERS; i++)
1.230 + if (cm->fb_idx_ref_cnt[i] == 0)
1.231 + break;
1.232 +
1.233 + assert(i < NUM_YV12_BUFFERS);
1.234 + cm->fb_idx_ref_cnt[i] = 1;
1.235 + return i;
1.236 +}
1.237 +
1.238 +static void ref_cnt_fb(int *buf, int *idx, int new_idx) {
1.239 + if (buf[*idx] > 0)
1.240 + buf[*idx]--;
1.241 +
1.242 + *idx = new_idx;
1.243 +
1.244 + buf[new_idx]++;
1.245 +}
1.246 +
1.247 +static int mi_cols_aligned_to_sb(int n_mis) {
1.248 + return ALIGN_POWER_OF_TWO(n_mis, MI_BLOCK_SIZE_LOG2);
1.249 +}
1.250 +
1.251 +static INLINE const vp9_prob* get_partition_probs(VP9_COMMON *cm, int ctx) {
1.252 + return cm->frame_type == KEY_FRAME ? vp9_kf_partition_probs[ctx]
1.253 + : cm->fc.partition_prob[ctx];
1.254 +}
1.255 +
1.256 +static INLINE void set_skip_context(
1.257 + MACROBLOCKD *xd,
1.258 + ENTROPY_CONTEXT *above_context[MAX_MB_PLANE],
1.259 + ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16],
1.260 + int mi_row, int mi_col) {
1.261 + const int above_idx = mi_col * 2;
1.262 + const int left_idx = (mi_row * 2) & 15;
1.263 + int i;
1.264 + for (i = 0; i < MAX_MB_PLANE; i++) {
1.265 + struct macroblockd_plane *const pd = &xd->plane[i];
1.266 + pd->above_context = above_context[i] + (above_idx >> pd->subsampling_x);
1.267 + pd->left_context = left_context[i] + (left_idx >> pd->subsampling_y);
1.268 + }
1.269 +}
1.270 +
1.271 +static void set_mi_row_col(MACROBLOCKD *xd, const TileInfo *const tile,
1.272 + int mi_row, int bh,
1.273 + int mi_col, int bw,
1.274 + int mi_rows, int mi_cols) {
1.275 + xd->mb_to_top_edge = -((mi_row * MI_SIZE) * 8);
1.276 + xd->mb_to_bottom_edge = ((mi_rows - bh - mi_row) * MI_SIZE) * 8;
1.277 + xd->mb_to_left_edge = -((mi_col * MI_SIZE) * 8);
1.278 + xd->mb_to_right_edge = ((mi_cols - bw - mi_col) * MI_SIZE) * 8;
1.279 +
1.280 + // Are edges available for intra prediction?
1.281 + xd->up_available = (mi_row != 0);
1.282 + xd->left_available = (mi_col > tile->mi_col_start);
1.283 +}
1.284 +
1.285 +static void set_prev_mi(VP9_COMMON *cm) {
1.286 + const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
1.287 + cm->height == cm->last_height &&
1.288 + !cm->error_resilient_mode &&
1.289 + !cm->intra_only &&
1.290 + cm->last_show_frame;
1.291 + // Special case: set prev_mi to NULL when the previous mode info
1.292 + // context cannot be used.
1.293 + cm->prev_mi = use_prev_in_find_mv_refs ?
1.294 + cm->prev_mip + cm->mode_info_stride + 1 : NULL;
1.295 +}
1.296 +
1.297 +static INLINE int frame_is_intra_only(const VP9_COMMON *const cm) {
1.298 + return cm->frame_type == KEY_FRAME || cm->intra_only;
1.299 +}
1.300 +
1.301 +static INLINE void update_partition_context(
1.302 + PARTITION_CONTEXT *above_seg_context,
1.303 + PARTITION_CONTEXT left_seg_context[8],
1.304 + int mi_row, int mi_col,
1.305 + BLOCK_SIZE sb_type,
1.306 + BLOCK_SIZE sb_size) {
1.307 + PARTITION_CONTEXT *above_ctx = above_seg_context + mi_col;
1.308 + PARTITION_CONTEXT *left_ctx = left_seg_context + (mi_row & MI_MASK);
1.309 +
1.310 + const int bsl = b_width_log2(sb_size), bs = (1 << bsl) / 2;
1.311 + const int bwl = b_width_log2(sb_type);
1.312 + const int bhl = b_height_log2(sb_type);
1.313 + const int boffset = b_width_log2(BLOCK_64X64) - bsl;
1.314 + const char pcval0 = ~(0xe << boffset);
1.315 + const char pcval1 = ~(0xf << boffset);
1.316 + const char pcvalue[2] = {pcval0, pcval1};
1.317 +
1.318 + assert(MAX(bwl, bhl) <= bsl);
1.319 +
1.320 + // update the partition context at the end notes. set partition bits
1.321 + // of block sizes larger than the current one to be one, and partition
1.322 + // bits of smaller block sizes to be zero.
1.323 + vpx_memset(above_ctx, pcvalue[bwl == bsl], bs);
1.324 + vpx_memset(left_ctx, pcvalue[bhl == bsl], bs);
1.325 +}
1.326 +
1.327 +static INLINE int partition_plane_context(
1.328 + const PARTITION_CONTEXT *above_seg_context,
1.329 + const PARTITION_CONTEXT left_seg_context[8],
1.330 + int mi_row, int mi_col,
1.331 + BLOCK_SIZE sb_type) {
1.332 + const PARTITION_CONTEXT *above_ctx = above_seg_context + mi_col;
1.333 + const PARTITION_CONTEXT *left_ctx = left_seg_context + (mi_row & MI_MASK);
1.334 +
1.335 + int bsl = mi_width_log2(sb_type), bs = 1 << bsl;
1.336 + int above = 0, left = 0, i;
1.337 + int boffset = mi_width_log2(BLOCK_64X64) - bsl;
1.338 +
1.339 + assert(mi_width_log2(sb_type) == mi_height_log2(sb_type));
1.340 + assert(bsl >= 0);
1.341 + assert(boffset >= 0);
1.342 +
1.343 + for (i = 0; i < bs; i++) {
1.344 + above |= above_ctx[i];
1.345 + left |= left_ctx[i];
1.346 + }
1.347 + above = (above & (1 << boffset)) > 0;
1.348 + left = (left & (1 << boffset)) > 0;
1.349 +
1.350 + return (left * 2 + above) + bsl * PARTITION_PLOFFSET;
1.351 +}
1.352 +
1.353 +#endif // VP9_COMMON_VP9_ONYXC_INT_H_
