ref: 2908091342ec11becf9500cb1c77a15c3c8b7c4f
dir: /vp9/common/vp9_onyxc_int.h/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_VP9_ONYXC_INT_H_
#define VP9_COMMON_VP9_ONYXC_INT_H_
#include "vpx_config.h"
#include "vpx/internal/vpx_codec_internal.h"
#include "vp9_rtcd.h"
#include "vp9/common/vp9_loopfilter.h"
#include "vp9/common/vp9_entropymv.h"
#include "vp9/common/vp9_entropy.h"
#include "vp9/common/vp9_entropymode.h"
#include "vp9/common/vp9_quant_common.h"
#if CONFIG_POSTPROC
#include "vp9/common/vp9_postproc.h"
#endif
/* Create/destroy static data structures. */
// Define the number of candidate reference buffers.
#define NUM_REF_FRAMES 8
#define NUM_REF_FRAMES_LG2 3
#define ALLOWED_REFS_PER_FRAME 3
// 1 scratch frame for the new frame, 3 for scaled references on the encoder
// TODO(jkoleszar): These 3 extra references could probably come from the
// normal reference pool.
#define NUM_YV12_BUFFERS (NUM_REF_FRAMES + 4)
#define NUM_FRAME_CONTEXTS_LG2 2
#define NUM_FRAME_CONTEXTS (1 << NUM_FRAME_CONTEXTS_LG2)
#define MAX_LAG_BUFFERS 25
typedef struct frame_contexts {
// y_mode, uv_mode, partition
vp9_prob y_mode_prob[BLOCK_SIZE_GROUPS][VP9_INTRA_MODES - 1];
vp9_prob uv_mode_prob[VP9_INTRA_MODES][VP9_INTRA_MODES - 1];
vp9_prob partition_prob[NUM_FRAME_TYPES][NUM_PARTITION_CONTEXTS]
[PARTITION_TYPES - 1];
vp9_prob pre_y_mode_prob[BLOCK_SIZE_GROUPS][VP9_INTRA_MODES - 1];
vp9_prob pre_uv_mode_prob[VP9_INTRA_MODES][VP9_INTRA_MODES - 1];
vp9_prob pre_partition_prob[NUM_PARTITION_CONTEXTS][PARTITION_TYPES - 1];
unsigned int y_mode_counts[BLOCK_SIZE_GROUPS][VP9_INTRA_MODES];
unsigned int uv_mode_counts[VP9_INTRA_MODES][VP9_INTRA_MODES];
unsigned int partition_counts[NUM_PARTITION_CONTEXTS][PARTITION_TYPES];
// coeff
vp9_coeff_probs_model coef_probs[TX_SIZE_MAX_SB][BLOCK_TYPES];
vp9_coeff_probs_model pre_coef_probs[TX_SIZE_MAX_SB][BLOCK_TYPES];
vp9_coeff_count_model coef_counts[TX_SIZE_MAX_SB][BLOCK_TYPES];
unsigned int eob_branch_counts[TX_SIZE_MAX_SB][BLOCK_TYPES][REF_TYPES]
[COEF_BANDS][PREV_COEF_CONTEXTS];
// switchable_interp
vp9_prob switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
[VP9_SWITCHABLE_FILTERS - 1];
vp9_prob pre_switchable_interp_prob[VP9_SWITCHABLE_FILTERS + 1]
[VP9_SWITCHABLE_FILTERS - 1];
unsigned int switchable_interp_count[VP9_SWITCHABLE_FILTERS + 1]
[VP9_SWITCHABLE_FILTERS];
// inter_mode
vp9_prob inter_mode_probs[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1];
vp9_prob pre_inter_mode_probs[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1];
unsigned int inter_mode_counts[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1][2];
// intra_inter, comp_inter, single_ref, comp_ref
vp9_prob intra_inter_prob[INTRA_INTER_CONTEXTS];
vp9_prob comp_inter_prob[COMP_INTER_CONTEXTS];
vp9_prob single_ref_prob[REF_CONTEXTS][2];
vp9_prob comp_ref_prob[REF_CONTEXTS];
vp9_prob pre_intra_inter_prob[INTRA_INTER_CONTEXTS];
vp9_prob pre_comp_inter_prob[COMP_INTER_CONTEXTS];
vp9_prob pre_single_ref_prob[REF_CONTEXTS][2];
vp9_prob pre_comp_ref_prob[REF_CONTEXTS];
unsigned int intra_inter_count[INTRA_INTER_CONTEXTS][2];
unsigned int comp_inter_count[COMP_INTER_CONTEXTS][2];
unsigned int single_ref_count[REF_CONTEXTS][2][2];
unsigned int comp_ref_count[REF_CONTEXTS][2];
// tx_probs
vp9_prob tx_probs_32x32p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 1];
vp9_prob tx_probs_16x16p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 2];
vp9_prob tx_probs_8x8p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 3];
vp9_prob pre_tx_probs_32x32p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 1];
vp9_prob pre_tx_probs_16x16p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 2];
vp9_prob pre_tx_probs_8x8p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 3];
unsigned int tx_count_32x32p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB];
unsigned int tx_count_16x16p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 1];
unsigned int tx_count_8x8p[TX_SIZE_CONTEXTS][TX_SIZE_MAX_SB - 2];
// mbskip
vp9_prob mbskip_probs[MBSKIP_CONTEXTS];
vp9_prob pre_mbskip_probs[MBSKIP_CONTEXTS];
unsigned int mbskip_count[MBSKIP_CONTEXTS][2];
// mv
nmv_context nmvc;
nmv_context pre_nmvc;
nmv_context_counts NMVcount;
} FRAME_CONTEXT;
typedef enum {
SINGLE_PREDICTION_ONLY = 0,
COMP_PREDICTION_ONLY = 1,
HYBRID_PREDICTION = 2,
NB_PREDICTION_TYPES = 3,
} COMPPREDMODE_TYPE;
typedef enum {
ONLY_4X4 = 0,
ALLOW_8X8 = 1,
ALLOW_16X16 = 2,
ALLOW_32X32 = 3,
TX_MODE_SELECT = 4,
NB_TXFM_MODES = 5,
} TXFM_MODE;
typedef struct VP9Common {
struct vpx_internal_error_info error;
DECLARE_ALIGNED(16, int16_t, y_dequant[QINDEX_RANGE][8]);
DECLARE_ALIGNED(16, int16_t, uv_dequant[QINDEX_RANGE][8]);
#if CONFIG_ALPHA
DECLARE_ALIGNED(16, int16_t, a_dequant[QINDEX_RANGE][8]);
#endif
int width;
int height;
int display_width;
int display_height;
int last_width;
int last_height;
// TODO(jkoleszar): this implies chroma ss right now, but could vary per
// plane. Revisit as part of the future change to YV12_BUFFER_CONFIG to
// support additional planes.
int subsampling_x;
int subsampling_y;
YUV_TYPE clr_type;
YV12_BUFFER_CONFIG *frame_to_show;
YV12_BUFFER_CONFIG yv12_fb[NUM_YV12_BUFFERS];
int fb_idx_ref_cnt[NUM_YV12_BUFFERS]; /* reference counts */
int ref_frame_map[NUM_REF_FRAMES]; /* maps fb_idx to reference slot */
// TODO(jkoleszar): could expand active_ref_idx to 4, with 0 as intra, and
// roll new_fb_idx into it.
// Each frame can reference ALLOWED_REFS_PER_FRAME buffers
int active_ref_idx[ALLOWED_REFS_PER_FRAME];
struct scale_factors active_ref_scale[ALLOWED_REFS_PER_FRAME];
int new_fb_idx;
YV12_BUFFER_CONFIG post_proc_buffer;
YV12_BUFFER_CONFIG temp_scale_frame;
FRAME_TYPE last_frame_type; /* Save last frame's frame type for motion search. */
FRAME_TYPE frame_type;
int show_frame;
int last_show_frame;
// Flag signaling that the frame is encoded using only INTRA modes.
int intra_only;
// Flag signaling that the frame context should be reset to default values.
// 0 or 1 implies don't reset, 2 reset just the context specified in the
// frame header, 3 reset all contexts.
int reset_frame_context;
int frame_flags;
// MBs, mb_rows/cols is in 16-pixel units; mi_rows/cols is in
// MODE_INFO (8-pixel) units.
int MBs;
int mb_rows, mi_rows;
int mb_cols, mi_cols;
int mode_info_stride;
/* profile settings */
TXFM_MODE txfm_mode;
int base_qindex;
int last_kf_gf_q; /* Q used on the last GF or KF */
int y_dc_delta_q;
int uv_dc_delta_q;
int uv_ac_delta_q;
#if CONFIG_ALPHA
int a_dc_delta_q;
int a_ac_delta_q;
#endif
unsigned int frames_since_golden;
unsigned int frames_till_alt_ref_frame;
/* We allocate a MODE_INFO struct for each macroblock, together with
an extra row on top and column on the left to simplify prediction. */
MODE_INFO *mip; /* Base of allocated array */
MODE_INFO *mi; /* Corresponds to upper left visible macroblock */
MODE_INFO *prev_mip; /* MODE_INFO array 'mip' from last decoded frame */
MODE_INFO *prev_mi; /* 'mi' from last frame (points into prev_mip) */
// Persistent mb segment id map used in prediction.
unsigned char *last_frame_seg_map;
INTERPOLATIONFILTERTYPE mcomp_filter_type;
loop_filter_info_n lf_info;
int filter_level;
int last_sharpness_level;
int sharpness_level;
int refresh_frame_context; /* Two state 0 = NO, 1 = YES */
int ref_frame_sign_bias[MAX_REF_FRAMES]; /* Two state 0, 1 */
/* Y,U,V */
ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16];
// partition contexts
PARTITION_CONTEXT *above_seg_context;
PARTITION_CONTEXT left_seg_context[8];
/* keyframe block modes are predicted by their above, left neighbors */
vp9_prob kf_y_mode_prob[VP9_INTRA_MODES]
[VP9_INTRA_MODES]
[VP9_INTRA_MODES - 1];
vp9_prob kf_uv_mode_prob[VP9_INTRA_MODES] [VP9_INTRA_MODES - 1];
// Context probabilities for reference frame prediction
int allow_comp_inter_inter;
MV_REFERENCE_FRAME comp_fixed_ref;
MV_REFERENCE_FRAME comp_var_ref[2];
COMPPREDMODE_TYPE comp_pred_mode;
FRAME_CONTEXT fc; /* this frame entropy */
FRAME_CONTEXT frame_contexts[NUM_FRAME_CONTEXTS];
unsigned int frame_context_idx; /* Context to use/update */
unsigned int current_video_frame;
int near_boffset[3];
int version;
double bitrate;
double framerate;
#if CONFIG_POSTPROC
struct postproc_state postproc_state;
#endif
int error_resilient_mode;
int frame_parallel_decoding_mode;
int tile_columns, log2_tile_columns;
int cur_tile_mi_col_start, cur_tile_mi_col_end, cur_tile_col_idx;
int tile_rows, log2_tile_rows;
int cur_tile_mi_row_start, cur_tile_mi_row_end, cur_tile_row_idx;
} VP9_COMMON;
static int get_free_fb(VP9_COMMON *cm) {
int i;
for (i = 0; i < NUM_YV12_BUFFERS; i++)
if (cm->fb_idx_ref_cnt[i] == 0)
break;
assert(i < NUM_YV12_BUFFERS);
cm->fb_idx_ref_cnt[i] = 1;
return i;
}
static void ref_cnt_fb(int *buf, int *idx, int new_idx) {
if (buf[*idx] > 0)
buf[*idx]--;
*idx = new_idx;
buf[new_idx]++;
}
static int mi_cols_aligned_to_sb(int n_mis) {
return ALIGN_POWER_OF_TWO(n_mis, LOG2_MI_BLOCK_SIZE);
}
static INLINE void set_partition_seg_context(VP9_COMMON *cm, MACROBLOCKD *xd,
int mi_row, int mi_col) {
xd->above_seg_context = cm->above_seg_context + mi_col;
xd->left_seg_context = cm->left_seg_context + (mi_row & MI_MASK);
}
static int check_bsize_coverage(VP9_COMMON *cm, MACROBLOCKD *xd,
int mi_row, int mi_col,
BLOCK_SIZE_TYPE bsize) {
int bsl = mi_width_log2(bsize), bs = 1 << bsl;
int ms = bs / 2;
if ((mi_row + ms < cm->mi_rows) && (mi_col + ms < cm->mi_cols))
return 0;
// frame width/height are multiples of 8, hence 8x8 block should always
// pass the above check
assert(bsize > BLOCK_SIZE_SB8X8);
// return the node index in the prob tree for binary coding
// only allow horizontal/split partition types
if ((mi_col + ms < cm->mi_cols) && (mi_row + ms >= cm->mi_rows))
return 1;
// only allow vertical/split partition types
if ((mi_row + ms < cm->mi_rows) && (mi_col + ms >= cm->mi_cols))
return 2;
return -1;
}
static void set_mi_row_col(VP9_COMMON *cm, MACROBLOCKD *xd,
int mi_row, int bh,
int mi_col, int bw) {
xd->mb_to_top_edge = -((mi_row * MI_SIZE) << 3);
xd->mb_to_bottom_edge = ((cm->mi_rows - bh - mi_row) * MI_SIZE) << 3;
xd->mb_to_left_edge = -((mi_col * MI_SIZE) << 3);
xd->mb_to_right_edge = ((cm->mi_cols - bw - mi_col) * MI_SIZE) << 3;
// Are edges available for intra prediction?
xd->up_available = (mi_row != 0);
xd->left_available = (mi_col > cm->cur_tile_mi_col_start);
xd->right_available = (mi_col + bw < cm->cur_tile_mi_col_end);
}
static int get_mi_row(const MACROBLOCKD *xd) {
return ((-xd->mb_to_top_edge) >> (3 + LOG2_MI_SIZE));
}
static int get_mi_col(const MACROBLOCKD *xd) {
return ((-xd->mb_to_left_edge) >> (3 + LOG2_MI_SIZE));
}
static int get_token_alloc(int mb_rows, int mb_cols) {
return mb_rows * mb_cols * (48 * 16 + 4);
}
static void set_prev_mi(VP9_COMMON *cm) {
const int use_prev_in_find_mv_refs = cm->width == cm->last_width &&
cm->height == cm->last_height &&
!cm->error_resilient_mode &&
!cm->intra_only &&
cm->last_show_frame;
// Special case: set prev_mi to NULL when the previous mode info
// context cannot be used.
cm->prev_mi = use_prev_in_find_mv_refs ?
cm->prev_mip + cm->mode_info_stride + 1 : NULL;
}
#endif // VP9_COMMON_VP9_ONYXC_INT_H_