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Jingning Han authored
Cosmetic change to use pre-defined macros. Change-Id: I93e9fa90113d0242599048940b39694660385a6f
e8b7610e
/* * 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_ports/mem.h"#include "vpx_scale/yv12config.h"#include "vp9/common/vp9_common.h"#include "vp9/common/vp9_common_data.h"#include "vp9/common/vp9_enums.h"#include "vp9/common/vp9_filter.h"#include "vp9/common/vp9_mv.h"#include "vp9/common/vp9_scale.h"#include "vp9/common/vp9_seg_common.h"#ifdef __cplusplusextern "C" {#endif#define BLOCK_SIZE_GROUPS 4#define SKIP_CONTEXTS 3#define INTER_MODE_CONTEXTS 7/* Segment Feature Masks */#define MAX_MV_REF_CANDIDATES 2#define INTRA_INTER_CONTEXTS 4#define COMP_INTER_CONTEXTS 5#define REF_CONTEXTS 5typedef enum { PLANE_TYPE_Y = 0, PLANE_TYPE_UV = 1, PLANE_TYPES} PLANE_TYPE;typedef char ENTROPY_CONTEXT;typedef char PARTITION_CONTEXT;static INLINE int combine_entropy_contexts(ENTROPY_CONTEXT a, ENTROPY_CONTEXT b) { return (a != 0) + (b != 0);}typedef enum { KEY_FRAME = 0, INTER_FRAME = 1, FRAME_TYPES,} FRAME_TYPE;typedef enum { DC_PRED, // Average of above and left pixels V_PRED, // Vertical H_PRED, // Horizontal D45_PRED, // Directional 45 deg = round(arctan(1/1) * 180/pi) D135_PRED, // Directional 135 deg = 180 - 45 D117_PRED, // Directional 117 deg = 180 - 637172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
D153_PRED, // Directional 153 deg = 180 - 27
D207_PRED, // Directional 207 deg = 180 + 27
D63_PRED, // Directional 63 deg = round(arctan(2/1) * 180/pi)
TM_PRED, // True-motion
NEARESTMV,
NEARMV,
ZEROMV,
NEWMV,
MB_MODE_COUNT
} MB_PREDICTION_MODE;
static INLINE int is_inter_mode(MB_PREDICTION_MODE mode) {
return mode >= NEARESTMV && mode <= NEWMV;
}
#define INTRA_MODES (TM_PRED + 1)
#define INTER_MODES (1 + NEWMV - NEARESTMV)
#define INTER_OFFSET(mode) ((mode) - NEARESTMV)
/* 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 {
MB_PREDICTION_MODE as_mode;
int_mv as_mv[2]; // first, second inter predictor motion vectors
} b_mode_info;
typedef enum {
NONE = -1,
INTRA_FRAME = 0,
LAST_FRAME = 1,
GOLDEN_FRAME = 2,
ALTREF_FRAME = 3,
MAX_REF_FRAMES = 4
} MV_REFERENCE_FRAME;
static INLINE int b_width_log2(BLOCK_SIZE sb_type) {
return b_width_log2_lookup[sb_type];
}
static INLINE int b_height_log2(BLOCK_SIZE sb_type) {
return b_height_log2_lookup[sb_type];
}
static INLINE int mi_width_log2(BLOCK_SIZE sb_type) {
return mi_width_log2_lookup[sb_type];
}
// This structure now relates to 8x8 block regions.
typedef struct {
MB_PREDICTION_MODE mode, uv_mode;
MV_REFERENCE_FRAME ref_frame[2];
TX_SIZE tx_size;
int_mv mv[2]; // for each reference frame used
int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
uint8_t mode_context[MAX_REF_FRAMES];
unsigned char skip_coeff; // 0=need to decode coeffs, 1=no coefficients
unsigned char segment_id; // Segment id for this block.
// Flags used for prediction status of various bit-stream signals
unsigned char seg_id_predicted;
INTERP_FILTER interp_filter;
BLOCK_SIZE sb_type;
} MB_MODE_INFO;
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typedef struct {
MB_MODE_INFO mbmi;
b_mode_info bmi[4];
} MODE_INFO;
static INLINE int is_inter_block(const MB_MODE_INFO *mbmi) {
return mbmi->ref_frame[0] > INTRA_FRAME;
}
static INLINE int has_second_ref(const MB_MODE_INFO *mbmi) {
return mbmi->ref_frame[1] > INTRA_FRAME;
}
MB_PREDICTION_MODE vp9_left_block_mode(const MODE_INFO *cur_mi,
const MODE_INFO *left_mi, int b);
MB_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
};
#if CONFIG_ALPHA
enum { MAX_MB_PLANE = 4 };
#else
enum { MAX_MB_PLANE = 3 };
#endif
struct buf_2d {
uint8_t *buf;
int stride;
};
struct macroblockd_plane {
int16_t *dqcoeff;
PLANE_TYPE plane_type;
int subsampling_x;
int subsampling_y;
struct buf_2d dst;
struct buf_2d pre[2];
const int16_t *dequant;
ENTROPY_CONTEXT *above_context;
ENTROPY_CONTEXT *left_context;
};
#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];
MODE_INFO *last_mi;
int mode_info_stride;
// A NULL indicates that the 8x8 is not part of the image
MODE_INFO **mi_8x8;
MODE_INFO **prev_mi_8x8;
MODE_INFO *mi_stream;
int up_available;
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int left_available;
/* 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;
/* pointers to reference frames */
RefBuffer *block_refs[2];
/* pointer to current frame */
const YV12_BUFFER_CONFIG *cur_buf;
/* mc buffer */
DECLARE_ALIGNED(16, uint8_t, mc_buf[80 * 2 * 80 * 2]);
int lossless;
/* Inverse transform function pointers. */
void (*itxm_add)(const int16_t *input, uint8_t *dest, int stride, int eob);
const InterpKernel *interp_kernel;
int corrupted;
/* Y,U,V,(A) */
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];
} MACROBLOCKD;
static INLINE BLOCK_SIZE get_subsize(BLOCK_SIZE bsize,
PARTITION_TYPE partition) {
const BLOCK_SIZE subsize = subsize_lookup[partition][bsize];
assert(subsize < BLOCK_SIZES);
return subsize;
}
extern const TX_TYPE mode2txfm_map[MB_MODE_COUNT];
static INLINE TX_TYPE get_tx_type_4x4(PLANE_TYPE plane_type,
const MACROBLOCKD *xd, int ib) {
const MODE_INFO *const mi = xd->mi_8x8[0];
const MB_MODE_INFO *const mbmi = &mi->mbmi;
if (plane_type != PLANE_TYPE_Y || xd->lossless || is_inter_block(mbmi))
return DCT_DCT;
return mode2txfm_map[mbmi->sb_type < BLOCK_8X8 ? mi->bmi[ib].as_mode
: mbmi->mode];
}
static INLINE TX_TYPE get_tx_type_8x8(PLANE_TYPE plane_type,
const MACROBLOCKD *xd) {
return plane_type == PLANE_TYPE_Y ? mode2txfm_map[xd->mi_8x8[0]->mbmi.mode]
: DCT_DCT;
}
static INLINE TX_TYPE get_tx_type_16x16(PLANE_TYPE plane_type,
const MACROBLOCKD *xd) {
return plane_type == PLANE_TYPE_Y ? mode2txfm_map[xd->mi_8x8[0]->mbmi.mode]
: DCT_DCT;
}
void vp9_setup_block_planes(MACROBLOCKD *xd, int ss_x, int ss_y);
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static INLINE TX_SIZE get_uv_tx_size_impl(TX_SIZE y_tx_size, BLOCK_SIZE bsize) {
if (bsize < BLOCK_8X8) {
return TX_4X4;
} else {
// TODO(dkovalev): Assuming YUV420 (ss_x == 1, ss_y == 1)
const BLOCK_SIZE plane_bsize = ss_size_lookup[bsize][1][1];
return MIN(y_tx_size, max_txsize_lookup[plane_bsize]);
}
}
static INLINE TX_SIZE get_uv_tx_size(const MB_MODE_INFO *mbmi) {
return get_uv_tx_size_impl(mbmi->tx_size, mbmi->sb_type);
}
static INLINE BLOCK_SIZE get_plane_block_size(BLOCK_SIZE bsize,
const struct macroblockd_plane *pd) {
BLOCK_SIZE bs = ss_size_lookup[bsize][pd->subsampling_x][pd->subsampling_y];
assert(bs < BLOCK_SIZES);
return bs;
}
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);
void vp9_foreach_transformed_block_uv(
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(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);
static INLINE int get_tx_eob(const struct segmentation *seg, int segment_id,
TX_SIZE tx_size) {
const int eob_max = 16 << (tx_size << 1);
return vp9_segfeature_active(seg, segment_id, SEG_LVL_SKIP) ? 0 : eob_max;
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_COMMON_VP9_BLOCKD_H_