michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef __INC_BLOCKD_H
michael@0: #define __INC_BLOCKD_H
michael@0: 
michael@0: void vpx_log(const char *format, ...);
michael@0: 
michael@0: #include "vpx_config.h"
michael@0: #include "vpx_scale/yv12config.h"
michael@0: #include "mv.h"
michael@0: #include "treecoder.h"
michael@0: #include "vpx_ports/mem.h"
michael@0: 
michael@0: /*#define DCPRED 1*/
michael@0: #define DCPREDSIMTHRESH 0
michael@0: #define DCPREDCNTTHRESH 3
michael@0: 
michael@0: #define MB_FEATURE_TREE_PROBS   3
michael@0: #define MAX_MB_SEGMENTS         4
michael@0: 
michael@0: #define MAX_REF_LF_DELTAS       4
michael@0: #define MAX_MODE_LF_DELTAS      4
michael@0: 
michael@0: /* Segment Feature Masks */
michael@0: #define SEGMENT_DELTADATA   0
michael@0: #define SEGMENT_ABSDATA     1
michael@0: 
michael@0: typedef struct
michael@0: {
michael@0:     int r, c;
michael@0: } POS;
michael@0: 
michael@0: #define PLANE_TYPE_Y_NO_DC    0
michael@0: #define PLANE_TYPE_Y2         1
michael@0: #define PLANE_TYPE_UV         2
michael@0: #define PLANE_TYPE_Y_WITH_DC  3
michael@0: 
michael@0: 
michael@0: typedef char ENTROPY_CONTEXT;
michael@0: typedef struct
michael@0: {
michael@0:     ENTROPY_CONTEXT y1[4];
michael@0:     ENTROPY_CONTEXT u[2];
michael@0:     ENTROPY_CONTEXT v[2];
michael@0:     ENTROPY_CONTEXT y2;
michael@0: } ENTROPY_CONTEXT_PLANES;
michael@0: 
michael@0: extern const unsigned char vp8_block2left[25];
michael@0: extern const unsigned char vp8_block2above[25];
michael@0: 
michael@0: #define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
michael@0:     Dest = (A)+(B);
michael@0: 
michael@0: 
michael@0: typedef enum
michael@0: {
michael@0:     KEY_FRAME = 0,
michael@0:     INTER_FRAME = 1
michael@0: } FRAME_TYPE;
michael@0: 
michael@0: typedef enum
michael@0: {
michael@0:     DC_PRED,            /* average of above and left pixels */
michael@0:     V_PRED,             /* vertical prediction */
michael@0:     H_PRED,             /* horizontal prediction */
michael@0:     TM_PRED,            /* Truemotion prediction */
michael@0:     B_PRED,             /* block based prediction, each block has its own prediction mode */
michael@0: 
michael@0:     NEARESTMV,
michael@0:     NEARMV,
michael@0:     ZEROMV,
michael@0:     NEWMV,
michael@0:     SPLITMV,
michael@0: 
michael@0:     MB_MODE_COUNT
michael@0: } MB_PREDICTION_MODE;
michael@0: 
michael@0: /* Macroblock level features */
michael@0: typedef enum
michael@0: {
michael@0:     MB_LVL_ALT_Q = 0,               /* Use alternate Quantizer .... */
michael@0:     MB_LVL_ALT_LF = 1,              /* Use alternate loop filter value... */
michael@0:     MB_LVL_MAX = 2                  /* Number of MB level features supported */
michael@0: 
michael@0: } MB_LVL_FEATURES;
michael@0: 
michael@0: /* Segment Feature Masks */
michael@0: #define SEGMENT_ALTQ    0x01
michael@0: #define SEGMENT_ALT_LF  0x02
michael@0: 
michael@0: #define VP8_YMODES  (B_PRED + 1)
michael@0: #define VP8_UV_MODES (TM_PRED + 1)
michael@0: 
michael@0: #define VP8_MVREFS (1 + SPLITMV - NEARESTMV)
michael@0: 
michael@0: typedef enum
michael@0: {
michael@0:     B_DC_PRED,          /* average of above and left pixels */
michael@0:     B_TM_PRED,
michael@0: 
michael@0:     B_VE_PRED,           /* vertical prediction */
michael@0:     B_HE_PRED,           /* horizontal prediction */
michael@0: 
michael@0:     B_LD_PRED,
michael@0:     B_RD_PRED,
michael@0: 
michael@0:     B_VR_PRED,
michael@0:     B_VL_PRED,
michael@0:     B_HD_PRED,
michael@0:     B_HU_PRED,
michael@0: 
michael@0:     LEFT4X4,
michael@0:     ABOVE4X4,
michael@0:     ZERO4X4,
michael@0:     NEW4X4,
michael@0: 
michael@0:     B_MODE_COUNT
michael@0: } B_PREDICTION_MODE;
michael@0: 
michael@0: #define VP8_BINTRAMODES (B_HU_PRED + 1)  /* 10 */
michael@0: #define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
michael@0: 
michael@0: /* For keyframes, intra block modes are predicted by the (already decoded)
michael@0:    modes for the Y blocks to the left and above us; for interframes, there
michael@0:    is a single probability table. */
michael@0: 
michael@0: union b_mode_info
michael@0: {
michael@0:     B_PREDICTION_MODE as_mode;
michael@0:     int_mv mv;
michael@0: };
michael@0: 
michael@0: typedef enum
michael@0: {
michael@0:     INTRA_FRAME = 0,
michael@0:     LAST_FRAME = 1,
michael@0:     GOLDEN_FRAME = 2,
michael@0:     ALTREF_FRAME = 3,
michael@0:     MAX_REF_FRAMES = 4
michael@0: } MV_REFERENCE_FRAME;
michael@0: 
michael@0: typedef struct
michael@0: {
michael@0:     uint8_t mode, uv_mode;
michael@0:     uint8_t ref_frame;
michael@0:     uint8_t is_4x4;
michael@0:     int_mv mv;
michael@0: 
michael@0:     uint8_t partitioning;
michael@0:     uint8_t mb_skip_coeff;                                /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */
michael@0:     uint8_t need_to_clamp_mvs;
michael@0:     uint8_t segment_id;                  /* Which set of segmentation parameters should be used for this MB */
michael@0: } MB_MODE_INFO;
michael@0: 
michael@0: typedef struct modeinfo
michael@0: {
michael@0:     MB_MODE_INFO mbmi;
michael@0:     union b_mode_info bmi[16];
michael@0: } MODE_INFO;
michael@0: 
michael@0: #if CONFIG_MULTI_RES_ENCODING
michael@0: /* The mb-level information needed to be stored for higher-resolution encoder */
michael@0: typedef struct
michael@0: {
michael@0:     MB_PREDICTION_MODE mode;
michael@0:     MV_REFERENCE_FRAME ref_frame;
michael@0:     int_mv mv;
michael@0:     int dissim;    /* dissimilarity level of the macroblock */
michael@0: } LOWER_RES_MB_INFO;
michael@0: 
michael@0: /* The frame-level information needed to be stored for higher-resolution
michael@0:  *  encoder */
michael@0: typedef struct
michael@0: {
michael@0:     FRAME_TYPE frame_type;
michael@0:     int is_frame_dropped;
michael@0:     /* The frame number of each reference frames */
michael@0:     unsigned int low_res_ref_frames[MAX_REF_FRAMES];
michael@0:     LOWER_RES_MB_INFO *mb_info;
michael@0: } LOWER_RES_FRAME_INFO;
michael@0: #endif
michael@0: 
michael@0: typedef struct blockd
michael@0: {
michael@0:     short *qcoeff;
michael@0:     short *dqcoeff;
michael@0:     unsigned char  *predictor;
michael@0:     short *dequant;
michael@0: 
michael@0:     int offset;
michael@0:     char *eob;
michael@0: 
michael@0:     union b_mode_info bmi;
michael@0: } BLOCKD;
michael@0: 
michael@0: typedef void (*vp8_subpix_fn_t)(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
michael@0: 
michael@0: typedef struct macroblockd
michael@0: {
michael@0:     DECLARE_ALIGNED(16, unsigned char,  predictor[384]);
michael@0:     DECLARE_ALIGNED(16, short, qcoeff[400]);
michael@0:     DECLARE_ALIGNED(16, short, dqcoeff[400]);
michael@0:     DECLARE_ALIGNED(16, char,  eobs[25]);
michael@0: 
michael@0:     DECLARE_ALIGNED(16, short,  dequant_y1[16]);
michael@0:     DECLARE_ALIGNED(16, short,  dequant_y1_dc[16]);
michael@0:     DECLARE_ALIGNED(16, short,  dequant_y2[16]);
michael@0:     DECLARE_ALIGNED(16, short,  dequant_uv[16]);
michael@0: 
michael@0:     /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */
michael@0:     BLOCKD block[25];
michael@0:     int fullpixel_mask;
michael@0: 
michael@0:     YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
michael@0:     YV12_BUFFER_CONFIG dst;
michael@0: 
michael@0:     MODE_INFO *mode_info_context;
michael@0:     int mode_info_stride;
michael@0: 
michael@0:     FRAME_TYPE frame_type;
michael@0: 
michael@0:     int up_available;
michael@0:     int left_available;
michael@0: 
michael@0:     unsigned char *recon_above[3];
michael@0:     unsigned char *recon_left[3];
michael@0:     int recon_left_stride[2];
michael@0: 
michael@0:     /* Y,U,V,Y2 */
michael@0:     ENTROPY_CONTEXT_PLANES *above_context;
michael@0:     ENTROPY_CONTEXT_PLANES *left_context;
michael@0: 
michael@0:     /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */
michael@0:     unsigned char segmentation_enabled;
michael@0: 
michael@0:     /* 0 (do not update) 1 (update) the macroblock segmentation map. */
michael@0:     unsigned char update_mb_segmentation_map;
michael@0: 
michael@0:     /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
michael@0:     unsigned char update_mb_segmentation_data;
michael@0: 
michael@0:     /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
michael@0:     unsigned char mb_segement_abs_delta;
michael@0: 
michael@0:     /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */
michael@0:     /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */
michael@0:     vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];         /* Probability Tree used to code Segment number */
michael@0: 
michael@0:     signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS];            /* Segment parameters */
michael@0: 
michael@0:     /* mode_based Loop filter adjustment */
michael@0:     unsigned char mode_ref_lf_delta_enabled;
michael@0:     unsigned char mode_ref_lf_delta_update;
michael@0: 
michael@0:     /* Delta values have the range +/- MAX_LOOP_FILTER */
michael@0:     signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];                /* 0 = Intra, Last, GF, ARF */
michael@0:     signed char ref_lf_deltas[MAX_REF_LF_DELTAS];                     /* 0 = Intra, Last, GF, ARF */
michael@0:     signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];                      /* 0 = BPRED, ZERO_MV, MV, SPLIT */
michael@0:     signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];                           /* 0 = BPRED, ZERO_MV, MV, SPLIT */
michael@0: 
michael@0:     /* Distance of MB away from frame edges */
michael@0:     int mb_to_left_edge;
michael@0:     int mb_to_right_edge;
michael@0:     int mb_to_top_edge;
michael@0:     int mb_to_bottom_edge;
michael@0: 
michael@0: 
michael@0: 
michael@0:     vp8_subpix_fn_t  subpixel_predict;
michael@0:     vp8_subpix_fn_t  subpixel_predict8x4;
michael@0:     vp8_subpix_fn_t  subpixel_predict8x8;
michael@0:     vp8_subpix_fn_t  subpixel_predict16x16;
michael@0: 
michael@0:     void *current_bc;
michael@0: 
michael@0:     int corrupted;
michael@0: 
michael@0: #if ARCH_X86 || ARCH_X86_64
michael@0:     /* This is an intermediate buffer currently used in sub-pixel motion search
michael@0:      * to keep a copy of the reference area. This buffer can be used for other
michael@0:      * purpose.
michael@0:      */
michael@0:     DECLARE_ALIGNED(32, unsigned char, y_buf[22*32]);
michael@0: #endif
michael@0: } MACROBLOCKD;
michael@0: 
michael@0: 
michael@0: extern void vp8_build_block_doffsets(MACROBLOCKD *x);
michael@0: extern void vp8_setup_block_dptrs(MACROBLOCKD *x);
michael@0: 
michael@0: #endif  /* __INC_BLOCKD_H */