libvpx/vp9/encoder/vp9_block.h - platform/external/libvpx - Git at Google

 /*
  *  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_ENCODER_VP9_BLOCK_H_
 #define VP9_ENCODER_VP9_BLOCK_H_

 #include "vp9/common/vp9_entropymv.h"
 #include "vp9/common/vp9_entropy.h"
 #include "vpx_ports/mem.h"
 #include "vp9/common/vp9_onyxc_int.h"

 #ifdef __cplusplus
 extern "C" {
 #endif

 // motion search site
 typedef struct {
   MV mv;
   int offset;
 } search_site;

 // Structure to hold snapshot of coding context during the mode picking process
 typedef struct {
   MODE_INFO mic;
   uint8_t *zcoeff_blk;
   int16_t *coeff[MAX_MB_PLANE][3];
   int16_t *qcoeff[MAX_MB_PLANE][3];
   int16_t *dqcoeff[MAX_MB_PLANE][3];
   uint16_t *eobs[MAX_MB_PLANE][3];

   // dual buffer pointers, 0: in use, 1: best in store
   int16_t *coeff_pbuf[MAX_MB_PLANE][3];
   int16_t *qcoeff_pbuf[MAX_MB_PLANE][3];
   int16_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
   uint16_t *eobs_pbuf[MAX_MB_PLANE][3];

   int is_coded;
   int num_4x4_blk;
   int skip;
   int_mv best_ref_mv[2];
   int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
   int rate;
   int distortion;
   int best_mode_index;
   int rddiv;
   int rdmult;
   int hybrid_pred_diff;
   int comp_pred_diff;
   int single_pred_diff;
   int64_t tx_rd_diff[TX_MODES];
   int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];

   // motion vector cache for adaptive motion search control in partition
   // search loop
   int_mv pred_mv[MAX_REF_FRAMES];
   INTERP_FILTER pred_interp_filter;
 } PICK_MODE_CONTEXT;

 struct macroblock_plane {
   DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
   int16_t *qcoeff;
   int16_t *coeff;
   uint16_t *eobs;
   struct buf_2d src;

   // Quantizer setings
   int16_t *quant;
   int16_t *quant_shift;
   int16_t *zbin;
   int16_t *round;

   // Zbin Over Quant value
   int16_t zbin_extra;
 };

 /* The [2] dimension is for whether we skip the EOB node (i.e. if previous
  * coefficient in this block was zero) or not. */
 typedef unsigned int vp9_coeff_cost[PLANE_TYPES][REF_TYPES][COEF_BANDS][2]
                                    [COEFF_CONTEXTS][ENTROPY_TOKENS];

 typedef struct macroblock MACROBLOCK;
 struct macroblock {
   struct macroblock_plane plane[MAX_MB_PLANE];

   MACROBLOCKD e_mbd;
   int skip_block;
   int select_txfm_size;
   int skip_recode;
   int skip_optimize;
   int q_index;

   search_site *ss;
   int ss_count;
   int searches_per_step;

   int errorperbit;
   int sadperbit16;
   int sadperbit4;
   int rddiv;
   int rdmult;
   unsigned int mb_energy;
   unsigned int *mb_activity_ptr;
   int *mb_norm_activity_ptr;
   signed int act_zbin_adj;

   int mv_best_ref_index[MAX_REF_FRAMES];
   unsigned int max_mv_context[MAX_REF_FRAMES];
   unsigned int source_variance;
   unsigned int pred_sse[MAX_REF_FRAMES];
   int pred_mv_sad[MAX_REF_FRAMES];

   int nmvjointcost[MV_JOINTS];
   int nmvcosts[2][MV_VALS];
   int *nmvcost[2];
   int nmvcosts_hp[2][MV_VALS];
   int *nmvcost_hp[2];
   int **mvcost;

   int nmvjointsadcost[MV_JOINTS];
   int nmvsadcosts[2][MV_VALS];
   int *nmvsadcost[2];
   int nmvsadcosts_hp[2][MV_VALS];
   int *nmvsadcost_hp[2];
   int **mvsadcost;

   int mbmode_cost[INTRA_MODES];
   unsigned inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
   int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES];
   int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
   int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];

   unsigned char sb_index;   // index of 32x32 block inside the 64x64 block
   unsigned char mb_index;   // index of 16x16 block inside the 32x32 block
   unsigned char b_index;    // index of 8x8 block inside the 16x16 block
   unsigned char ab_index;   // index of 4x4 block inside the 8x8 block

   // These define limits to motion vector components to prevent them
   // from extending outside the UMV borders
   int mv_col_min;
   int mv_col_max;
   int mv_row_min;
   int mv_row_max;

   uint8_t zcoeff_blk[TX_SIZES][256];
   int skip;

   int encode_breakout;

   int in_active_map;

   // note that token_costs is the cost when eob node is skipped
   vp9_coeff_cost token_costs[TX_SIZES];

   int optimize;

   // indicate if it is in the rd search loop or encoding process
   int use_lp32x32fdct;
   int skip_encode;

   // Used to store sub partition's choices.
   int_mv pred_mv[MAX_REF_FRAMES];

   // TODO(jingning): Need to refactor the structure arrays that buffers the
   // coding mode decisions of each partition type.
   PICK_MODE_CONTEXT ab4x4_context[4][4][4];
   PICK_MODE_CONTEXT sb8x4_context[4][4][4];
   PICK_MODE_CONTEXT sb4x8_context[4][4][4];
   PICK_MODE_CONTEXT sb8x8_context[4][4][4];
   PICK_MODE_CONTEXT sb8x16_context[4][4][2];
   PICK_MODE_CONTEXT sb16x8_context[4][4][2];
   PICK_MODE_CONTEXT mb_context[4][4];
   PICK_MODE_CONTEXT sb32x16_context[4][2];
   PICK_MODE_CONTEXT sb16x32_context[4][2];
   // when 4 MBs share coding parameters:
   PICK_MODE_CONTEXT sb32_context[4];
   PICK_MODE_CONTEXT sb32x64_context[2];
   PICK_MODE_CONTEXT sb64x32_context[2];
   PICK_MODE_CONTEXT sb64_context;
   int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];

   BLOCK_SIZE b_partitioning[4][4][4];
   BLOCK_SIZE mb_partitioning[4][4];
   BLOCK_SIZE sb_partitioning[4];
   BLOCK_SIZE sb64_partitioning;

   void (*fwd_txm4x4)(const int16_t *input, int16_t *output, int stride);
 };

 // TODO(jingning): the variables used here are little complicated. need further
 // refactoring on organizing the temporary buffers, when recursive
 // partition down to 4x4 block size is enabled.
 static INLINE PICK_MODE_CONTEXT *get_block_context(MACROBLOCK *x,
                                                    BLOCK_SIZE bsize) {
   switch (bsize) {
     case BLOCK_64X64:
       return &x->sb64_context;
     case BLOCK_64X32:
       return &x->sb64x32_context[x->sb_index];
     case BLOCK_32X64:
       return &x->sb32x64_context[x->sb_index];
     case BLOCK_32X32:
       return &x->sb32_context[x->sb_index];
     case BLOCK_32X16:
       return &x->sb32x16_context[x->sb_index][x->mb_index];
     case BLOCK_16X32:
       return &x->sb16x32_context[x->sb_index][x->mb_index];
     case BLOCK_16X16:
       return &x->mb_context[x->sb_index][x->mb_index];
     case BLOCK_16X8:
       return &x->sb16x8_context[x->sb_index][x->mb_index][x->b_index];
     case BLOCK_8X16:
       return &x->sb8x16_context[x->sb_index][x->mb_index][x->b_index];
     case BLOCK_8X8:
       return &x->sb8x8_context[x->sb_index][x->mb_index][x->b_index];
     case BLOCK_8X4:
       return &x->sb8x4_context[x->sb_index][x->mb_index][x->b_index];
     case BLOCK_4X8:
       return &x->sb4x8_context[x->sb_index][x->mb_index][x->b_index];
     case BLOCK_4X4:
       return &x->ab4x4_context[x->sb_index][x->mb_index][x->b_index];
     default:
       assert(0);
       return NULL;
   }
 }

 #ifdef __cplusplus
 }  // extern "C"
 #endif

 #endif  // VP9_ENCODER_VP9_BLOCK_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_ENCODER_VP9_BLOCK_H_
	#define VP9_ENCODER_VP9_BLOCK_H_

	#include "vp9/common/vp9_entropymv.h"
	#include "vp9/common/vp9_entropy.h"
	#include "vpx_ports/mem.h"
	#include "vp9/common/vp9_onyxc_int.h"

	#ifdef __cplusplus
	extern "C" {
	#endif

	// motion search site
	typedef struct {
	MV mv;
	int offset;
	} search_site;

	// Structure to hold snapshot of coding context during the mode picking process
	typedef struct {
	MODE_INFO mic;
	uint8_t *zcoeff_blk;
	int16_t *coeff[MAX_MB_PLANE][3];
	int16_t *qcoeff[MAX_MB_PLANE][3];
	int16_t *dqcoeff[MAX_MB_PLANE][3];
	uint16_t *eobs[MAX_MB_PLANE][3];

	// dual buffer pointers, 0: in use, 1: best in store
	int16_t *coeff_pbuf[MAX_MB_PLANE][3];
	int16_t *qcoeff_pbuf[MAX_MB_PLANE][3];
	int16_t *dqcoeff_pbuf[MAX_MB_PLANE][3];
	uint16_t *eobs_pbuf[MAX_MB_PLANE][3];

	int is_coded;
	int num_4x4_blk;
	int skip;
	int_mv best_ref_mv[2];
	int_mv ref_mvs[MAX_REF_FRAMES][MAX_MV_REF_CANDIDATES];
	int rate;
	int distortion;
	int best_mode_index;
	int rddiv;
	int rdmult;
	int hybrid_pred_diff;
	int comp_pred_diff;
	int single_pred_diff;
	int64_t tx_rd_diff[TX_MODES];
	int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS];

	// motion vector cache for adaptive motion search control in partition
	// search loop
	int_mv pred_mv[MAX_REF_FRAMES];
	INTERP_FILTER pred_interp_filter;
	} PICK_MODE_CONTEXT;

	struct macroblock_plane {
	DECLARE_ALIGNED(16, int16_t, src_diff[64 * 64]);
	int16_t *qcoeff;
	int16_t *coeff;
	uint16_t *eobs;
	struct buf_2d src;

	// Quantizer setings
	int16_t *quant;
	int16_t *quant_shift;
	int16_t *zbin;
	int16_t *round;

	// Zbin Over Quant value
	int16_t zbin_extra;
	};

	/* The [2] dimension is for whether we skip the EOB node (i.e. if previous
	* coefficient in this block was zero) or not. */
	typedef unsigned int vp9_coeff_cost[PLANE_TYPES][REF_TYPES][COEF_BANDS][2]
	[COEFF_CONTEXTS][ENTROPY_TOKENS];

	typedef struct macroblock MACROBLOCK;
	struct macroblock {
	struct macroblock_plane plane[MAX_MB_PLANE];

	MACROBLOCKD e_mbd;
	int skip_block;
	int select_txfm_size;
	int skip_recode;
	int skip_optimize;
	int q_index;

	search_site *ss;
	int ss_count;
	int searches_per_step;

	int errorperbit;
	int sadperbit16;
	int sadperbit4;
	int rddiv;
	int rdmult;
	unsigned int mb_energy;
	unsigned int *mb_activity_ptr;
	int *mb_norm_activity_ptr;
	signed int act_zbin_adj;

	int mv_best_ref_index[MAX_REF_FRAMES];
	unsigned int max_mv_context[MAX_REF_FRAMES];
	unsigned int source_variance;
	unsigned int pred_sse[MAX_REF_FRAMES];
	int pred_mv_sad[MAX_REF_FRAMES];

	int nmvjointcost[MV_JOINTS];
	int nmvcosts[2][MV_VALS];
	int *nmvcost[2];
	int nmvcosts_hp[2][MV_VALS];
	int *nmvcost_hp[2];
	int **mvcost;

	int nmvjointsadcost[MV_JOINTS];
	int nmvsadcosts[2][MV_VALS];
	int *nmvsadcost[2];
	int nmvsadcosts_hp[2][MV_VALS];
	int *nmvsadcost_hp[2];
	int **mvsadcost;

	int mbmode_cost[INTRA_MODES];
	unsigned inter_mode_cost[INTER_MODE_CONTEXTS][INTER_MODES];
	int intra_uv_mode_cost[FRAME_TYPES][INTRA_MODES];
	int y_mode_costs[INTRA_MODES][INTRA_MODES][INTRA_MODES];
	int switchable_interp_costs[SWITCHABLE_FILTER_CONTEXTS][SWITCHABLE_FILTERS];

	unsigned char sb_index; // index of 32x32 block inside the 64x64 block
	unsigned char mb_index; // index of 16x16 block inside the 32x32 block
	unsigned char b_index; // index of 8x8 block inside the 16x16 block
	unsigned char ab_index; // index of 4x4 block inside the 8x8 block

	// These define limits to motion vector components to prevent them
	// from extending outside the UMV borders
	int mv_col_min;
	int mv_col_max;
	int mv_row_min;
	int mv_row_max;

	uint8_t zcoeff_blk[TX_SIZES][256];
	int skip;

	int encode_breakout;

	int in_active_map;

	// note that token_costs is the cost when eob node is skipped
	vp9_coeff_cost token_costs[TX_SIZES];

	int optimize;

	// indicate if it is in the rd search loop or encoding process
	int use_lp32x32fdct;
	int skip_encode;

	// Used to store sub partition's choices.
	int_mv pred_mv[MAX_REF_FRAMES];

	// TODO(jingning): Need to refactor the structure arrays that buffers the
	// coding mode decisions of each partition type.
	PICK_MODE_CONTEXT ab4x4_context[4][4][4];
	PICK_MODE_CONTEXT sb8x4_context[4][4][4];
	PICK_MODE_CONTEXT sb4x8_context[4][4][4];
	PICK_MODE_CONTEXT sb8x8_context[4][4][4];
	PICK_MODE_CONTEXT sb8x16_context[4][4][2];
	PICK_MODE_CONTEXT sb16x8_context[4][4][2];
	PICK_MODE_CONTEXT mb_context[4][4];
	PICK_MODE_CONTEXT sb32x16_context[4][2];
	PICK_MODE_CONTEXT sb16x32_context[4][2];
	// when 4 MBs share coding parameters:
	PICK_MODE_CONTEXT sb32_context[4];
	PICK_MODE_CONTEXT sb32x64_context[2];
	PICK_MODE_CONTEXT sb64x32_context[2];
	PICK_MODE_CONTEXT sb64_context;
	int partition_cost[PARTITION_CONTEXTS][PARTITION_TYPES];

	BLOCK_SIZE b_partitioning[4][4][4];
	BLOCK_SIZE mb_partitioning[4][4];
	BLOCK_SIZE sb_partitioning[4];
	BLOCK_SIZE sb64_partitioning;

	void (fwd_txm4x4)(const int16_t input, int16_t *output, int stride);
	};

	// TODO(jingning): the variables used here are little complicated. need further
	// refactoring on organizing the temporary buffers, when recursive
	// partition down to 4x4 block size is enabled.
	static INLINE PICK_MODE_CONTEXT get_block_context(MACROBLOCK x,
	BLOCK_SIZE bsize) {
	switch (bsize) {
	case BLOCK_64X64:
	return &x->sb64_context;
	case BLOCK_64X32:
	return &x->sb64x32_context[x->sb_index];
	case BLOCK_32X64:
	return &x->sb32x64_context[x->sb_index];
	case BLOCK_32X32:
	return &x->sb32_context[x->sb_index];
	case BLOCK_32X16:
	return &x->sb32x16_context[x->sb_index][x->mb_index];
	case BLOCK_16X32:
	return &x->sb16x32_context[x->sb_index][x->mb_index];
	case BLOCK_16X16:
	return &x->mb_context[x->sb_index][x->mb_index];
	case BLOCK_16X8:
	return &x->sb16x8_context[x->sb_index][x->mb_index][x->b_index];
	case BLOCK_8X16:
	return &x->sb8x16_context[x->sb_index][x->mb_index][x->b_index];
	case BLOCK_8X8:
	return &x->sb8x8_context[x->sb_index][x->mb_index][x->b_index];
	case BLOCK_8X4:
	return &x->sb8x4_context[x->sb_index][x->mb_index][x->b_index];
	case BLOCK_4X8:
	return &x->sb4x8_context[x->sb_index][x->mb_index][x->b_index];
	case BLOCK_4X4:
	return &x->ab4x4_context[x->sb_index][x->mb_index][x->b_index];
	default:
	assert(0);
	return NULL;
	}
	}

	#ifdef __cplusplus
	} // extern "C"
	#endif

	#endif // VP9_ENCODER_VP9_BLOCK_H_