305 lines
8.7 KiB
C++
305 lines
8.7 KiB
C++
/*
|
|
* 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_BLOCKD_H_
|
|
#define VP9_COMMON_VP9_BLOCKD_H_
|
|
|
|
#include "./vpx_config.h"
|
|
|
|
#include "vpx_dsp/vpx_dsp_common.h"
|
|
#include "vpx_ports/mem.h"
|
|
#include "vpx_scale/yv12config.h"
|
|
|
|
#include "vp9/common/vp9_common_data.h"
|
|
#include "vp9/common/vp9_entropy.h"
|
|
#include "vp9/common/vp9_entropymode.h"
|
|
#include "vp9/common/vp9_mv.h"
|
|
#include "vp9/common/vp9_scale.h"
|
|
#include "vp9/common/vp9_seg_common.h"
|
|
#include "vp9/common/vp9_tile_common.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define MAX_MB_PLANE 3
|
|
|
|
typedef enum {
|
|
KEY_FRAME = 0,
|
|
INTER_FRAME = 1,
|
|
FRAME_TYPES,
|
|
} FRAME_TYPE;
|
|
|
|
static INLINE int is_inter_mode(PREDICTION_MODE mode) {
|
|
return mode >= NEARESTMV && mode <= NEWMV;
|
|
}
|
|
|
|
/* For keyframes, intra block modes are predicted by the (already decoded)
|
|
modes for the Y blocks to the left and above us; for interframes, there
|
|
is a single probability table. */
|
|
|
|
typedef struct {
|
|
PREDICTION_MODE as_mode;
|
|
int_mv as_mv[2]; // first, second inter predictor motion vectors
|
|
} b_mode_info;
|
|
|
|
// Note that the rate-distortion optimization loop, bit-stream writer, and
|
|
// decoder implementation modules critically rely on the defined entry values
|
|
// specified herein. They should be refactored concurrently.
|
|
|
|
#define NONE -1
|
|
#define INTRA_FRAME 0
|
|
#define LAST_FRAME 1
|
|
#define GOLDEN_FRAME 2
|
|
#define ALTREF_FRAME 3
|
|
#define MAX_REF_FRAMES 4
|
|
typedef int8_t MV_REFERENCE_FRAME;
|
|
|
|
// This structure now relates to 8x8 block regions.
|
|
typedef struct MODE_INFO {
|
|
// Common for both INTER and INTRA blocks
|
|
BLOCK_SIZE sb_type;
|
|
PREDICTION_MODE mode;
|
|
TX_SIZE tx_size;
|
|
int8_t skip;
|
|
int8_t segment_id;
|
|
int8_t seg_id_predicted; // valid only when temporal_update is enabled
|
|
|
|
// Only for INTRA blocks
|
|
PREDICTION_MODE uv_mode;
|
|
|
|
// Only for INTER blocks
|
|
INTERP_FILTER interp_filter;
|
|
MV_REFERENCE_FRAME ref_frame[2];
|
|
|
|
// TODO(slavarnway): Delete and use bmi[3].as_mv[] instead.
|
|
int_mv mv[2];
|
|
|
|
b_mode_info bmi[4];
|
|
} MODE_INFO;
|
|
|
|
static INLINE PREDICTION_MODE get_y_mode(const MODE_INFO *mi, int block) {
|
|
return mi->sb_type < BLOCK_8X8 ? mi->bmi[block].as_mode
|
|
: mi->mode;
|
|
}
|
|
|
|
static INLINE int is_inter_block(const MODE_INFO *mi) {
|
|
return mi->ref_frame[0] > INTRA_FRAME;
|
|
}
|
|
|
|
static INLINE int has_second_ref(const MODE_INFO *mi) {
|
|
return mi->ref_frame[1] > INTRA_FRAME;
|
|
}
|
|
|
|
PREDICTION_MODE vp9_left_block_mode(const MODE_INFO *cur_mi,
|
|
const MODE_INFO *left_mi, int b);
|
|
|
|
PREDICTION_MODE vp9_above_block_mode(const MODE_INFO *cur_mi,
|
|
const MODE_INFO *above_mi, int b);
|
|
|
|
enum mv_precision {
|
|
MV_PRECISION_Q3,
|
|
MV_PRECISION_Q4
|
|
};
|
|
|
|
struct buf_2d {
|
|
uint8_t *buf;
|
|
int stride;
|
|
};
|
|
|
|
struct macroblockd_plane {
|
|
tran_low_t *dqcoeff;
|
|
int subsampling_x;
|
|
int subsampling_y;
|
|
struct buf_2d dst;
|
|
struct buf_2d pre[2];
|
|
ENTROPY_CONTEXT *above_context;
|
|
ENTROPY_CONTEXT *left_context;
|
|
int16_t seg_dequant[MAX_SEGMENTS][2];
|
|
|
|
// number of 4x4s in current block
|
|
uint16_t n4_w, n4_h;
|
|
// log2 of n4_w, n4_h
|
|
uint8_t n4_wl, n4_hl;
|
|
|
|
// encoder
|
|
const int16_t *dequant;
|
|
};
|
|
|
|
#define BLOCK_OFFSET(x, i) ((x) + (i) * 16)
|
|
|
|
typedef struct RefBuffer {
|
|
// TODO(dkovalev): idx is not really required and should be removed, now it
|
|
// is used in vp9_onyxd_if.c
|
|
int idx;
|
|
YV12_BUFFER_CONFIG *buf;
|
|
struct scale_factors sf;
|
|
} RefBuffer;
|
|
|
|
typedef struct macroblockd {
|
|
struct macroblockd_plane plane[MAX_MB_PLANE];
|
|
uint8_t bmode_blocks_wl;
|
|
uint8_t bmode_blocks_hl;
|
|
|
|
FRAME_COUNTS *counts;
|
|
TileInfo tile;
|
|
|
|
int mi_stride;
|
|
|
|
MODE_INFO **mi;
|
|
MODE_INFO *left_mi;
|
|
MODE_INFO *above_mi;
|
|
|
|
unsigned int max_blocks_wide;
|
|
unsigned int max_blocks_high;
|
|
|
|
const vpx_prob (*partition_probs)[PARTITION_TYPES - 1];
|
|
|
|
/* Distance of MB away from frame edges */
|
|
int mb_to_left_edge;
|
|
int mb_to_right_edge;
|
|
int mb_to_top_edge;
|
|
int mb_to_bottom_edge;
|
|
|
|
FRAME_CONTEXT *fc;
|
|
|
|
/* pointers to reference frames */
|
|
RefBuffer *block_refs[2];
|
|
|
|
/* pointer to current frame */
|
|
const YV12_BUFFER_CONFIG *cur_buf;
|
|
|
|
ENTROPY_CONTEXT *above_context[MAX_MB_PLANE];
|
|
ENTROPY_CONTEXT left_context[MAX_MB_PLANE][16];
|
|
|
|
PARTITION_CONTEXT *above_seg_context;
|
|
PARTITION_CONTEXT left_seg_context[8];
|
|
|
|
#if CONFIG_VP9_HIGHBITDEPTH
|
|
/* Bit depth: 8, 10, 12 */
|
|
int bd;
|
|
#endif
|
|
|
|
int lossless;
|
|
int corrupted;
|
|
|
|
struct vpx_internal_error_info *error_info;
|
|
} MACROBLOCKD;
|
|
|
|
static INLINE PLANE_TYPE get_plane_type(int plane) {
|
|
return (PLANE_TYPE)(plane > 0);
|
|
}
|
|
|
|
static INLINE BLOCK_SIZE get_subsize(BLOCK_SIZE bsize,
|
|
PARTITION_TYPE partition) {
|
|
return subsize_lookup[partition][bsize];
|
|
}
|
|
|
|
extern const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES];
|
|
|
|
static INLINE TX_TYPE get_tx_type(PLANE_TYPE plane_type,
|
|
const MACROBLOCKD *xd) {
|
|
const MODE_INFO *const mi = xd->mi[0];
|
|
|
|
if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(mi))
|
|
return DCT_DCT;
|
|
|
|
return intra_mode_to_tx_type_lookup[mi->mode];
|
|
}
|
|
|
|
static INLINE TX_TYPE get_tx_type_4x4(PLANE_TYPE plane_type,
|
|
const MACROBLOCKD *xd, int ib) {
|
|
const MODE_INFO *const mi = xd->mi[0];
|
|
|
|
if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(mi))
|
|
return DCT_DCT;
|
|
|
|
return intra_mode_to_tx_type_lookup[get_y_mode(mi, ib)];
|
|
}
|
|
|
|
void vp9_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y);
|
|
|
|
static INLINE TX_SIZE get_uv_tx_size_impl(TX_SIZE y_tx_size, BLOCK_SIZE bsize,
|
|
int xss, int yss) {
|
|
if (bsize < BLOCK_8X8) {
|
|
return TX_4X4;
|
|
} else {
|
|
const BLOCK_SIZE plane_bsize = ss_size_lookup[bsize][xss][yss];
|
|
return VPXMIN(y_tx_size, max_txsize_lookup[plane_bsize]);
|
|
}
|
|
}
|
|
|
|
static INLINE TX_SIZE get_uv_tx_size(const MODE_INFO *mi,
|
|
const struct macroblockd_plane *pd) {
|
|
return get_uv_tx_size_impl(mi->tx_size, mi->sb_type, pd->subsampling_x,
|
|
pd->subsampling_y);
|
|
}
|
|
|
|
static INLINE BLOCK_SIZE get_plane_block_size(BLOCK_SIZE bsize,
|
|
const struct macroblockd_plane *pd) {
|
|
return ss_size_lookup[bsize][pd->subsampling_x][pd->subsampling_y];
|
|
}
|
|
|
|
static INLINE void reset_skip_context(MACROBLOCKD *xd, BLOCK_SIZE bsize) {
|
|
int i;
|
|
for (i = 0; i < MAX_MB_PLANE; i++) {
|
|
struct macroblockd_plane *const pd = &xd->plane[i];
|
|
const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
|
|
memset(pd->above_context, 0,
|
|
sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_wide_lookup[plane_bsize]);
|
|
memset(pd->left_context, 0,
|
|
sizeof(ENTROPY_CONTEXT) * num_4x4_blocks_high_lookup[plane_bsize]);
|
|
}
|
|
}
|
|
|
|
static INLINE const vpx_prob *get_y_mode_probs(const MODE_INFO *mi,
|
|
const MODE_INFO *above_mi,
|
|
const MODE_INFO *left_mi,
|
|
int block) {
|
|
const PREDICTION_MODE above = vp9_above_block_mode(mi, above_mi, block);
|
|
const PREDICTION_MODE left = vp9_left_block_mode(mi, left_mi, block);
|
|
return vp9_kf_y_mode_prob[above][left];
|
|
}
|
|
|
|
typedef void (*foreach_transformed_block_visitor)(int plane, int block,
|
|
BLOCK_SIZE plane_bsize,
|
|
TX_SIZE tx_size,
|
|
void *arg);
|
|
|
|
void vp9_foreach_transformed_block_in_plane(
|
|
const MACROBLOCKD *const xd, BLOCK_SIZE bsize, int plane,
|
|
foreach_transformed_block_visitor visit, void *arg);
|
|
|
|
|
|
void vp9_foreach_transformed_block(
|
|
const MACROBLOCKD* const xd, BLOCK_SIZE bsize,
|
|
foreach_transformed_block_visitor visit, void *arg);
|
|
|
|
static INLINE void txfrm_block_to_raster_xy(BLOCK_SIZE plane_bsize,
|
|
TX_SIZE tx_size, int block,
|
|
int *x, int *y) {
|
|
const int bwl = b_width_log2_lookup[plane_bsize];
|
|
const int tx_cols_log2 = bwl - tx_size;
|
|
const int tx_cols = 1 << tx_cols_log2;
|
|
const int raster_mb = block >> (tx_size << 1);
|
|
*x = (raster_mb & (tx_cols - 1)) << tx_size;
|
|
*y = (raster_mb >> tx_cols_log2) << tx_size;
|
|
}
|
|
|
|
void vp9_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
|
|
BLOCK_SIZE plane_bsize, TX_SIZE tx_size, int has_eob,
|
|
int aoff, int loff);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // VP9_COMMON_VP9_BLOCKD_H_
|