av1/common/pred_common.h - aom - Git at Google


            
            /*

            
             * Copyright (c) 2016, Alliance for Open Media. All rights reserved

            
             *

            
             * This source code is subject to the terms of the BSD 2 Clause License and

            
             * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License

            
             * was not distributed with this source code in the LICENSE file, you can

            
             * obtain it at www.aomedia.org/license/software. If the Alliance for Open

            
             * Media Patent License 1.0 was not distributed with this source code in the

            
             * PATENTS file, you can obtain it at www.aomedia.org/license/patent.

            
             */


            #ifndef AV1_COMMON_PRED_COMMON_H_

            
            #define AV1_COMMON_PRED_COMMON_H_


            #include "av1/common/blockd.h"

            
            #include "av1/common/onyxc_int.h"

            
            #include "aom_dsp/aom_dsp_common.h"


            #ifdef __cplusplus

            
            extern "C" {

            
            #endif


            static INLINE int get_segment_id(const AV1_COMMON *const cm,

            
                                             const uint8_t *segment_ids, BLOCK_SIZE bsize,

            
                                             int mi_row, int mi_col) {

            
              const int mi_offset = mi_row * cm->mi_cols + mi_col;

            
              const int bw = num_8x8_blocks_wide_lookup[bsize];

            
              const int bh = num_8x8_blocks_high_lookup[bsize];

            
              const int xmis = AOMMIN(cm->mi_cols - mi_col, bw);

            
              const int ymis = AOMMIN(cm->mi_rows - mi_row, bh);

            
              int x, y, segment_id = MAX_SEGMENTS;


              for (y = 0; y < ymis; ++y)

            
                for (x = 0; x < xmis; ++x)

            
                  segment_id =

            
                      AOMMIN(segment_id, segment_ids[mi_offset + y * cm->mi_cols + x]);


              assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);

            
              return segment_id;

            
            }


            static INLINE int av1_get_pred_context_seg_id(const MACROBLOCKD *xd) {

            
              const MODE_INFO *const above_mi = xd->above_mi;

            
              const MODE_INFO *const left_mi = xd->left_mi;

            
              const int above_sip =

            
                  (above_mi != NULL) ? above_mi->mbmi.seg_id_predicted : 0;

            
              const int left_sip = (left_mi != NULL) ? left_mi->mbmi.seg_id_predicted : 0;


              return above_sip + left_sip;

            
            }


            static INLINE aom_prob av1_get_pred_prob_seg_id(

            
                const struct segmentation_probs *segp, const MACROBLOCKD *xd) {

            
              return segp->pred_probs[av1_get_pred_context_seg_id(xd)];

            
            }


            static INLINE int av1_get_skip_context(const MACROBLOCKD *xd) {

            
              const MODE_INFO *const above_mi = xd->above_mi;

            
              const MODE_INFO *const left_mi = xd->left_mi;

            
              const int above_skip = (above_mi != NULL) ? above_mi->mbmi.skip : 0;

            
              const int left_skip = (left_mi != NULL) ? left_mi->mbmi.skip : 0;

            
              return above_skip + left_skip;

            
            }


            static INLINE aom_prob av1_get_skip_prob(const AV1_COMMON *cm,

            
                                                     const MACROBLOCKD *xd) {

            
              return cm->fc->skip_probs[av1_get_skip_context(xd)];

            
            }


            #if CONFIG_DUAL_FILTER

            
            int av1_get_pred_context_switchable_interp(const MACROBLOCKD *xd, int dir);

            
            #else

            
            int av1_get_pred_context_switchable_interp(const MACROBLOCKD *xd);

            
            #endif


            #if CONFIG_EXT_INTRA

            
            int av1_get_pred_context_intra_interp(const MACROBLOCKD *xd);

            
            #endif  // CONFIG_EXT_INTRA


            int av1_get_intra_inter_context(const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_intra_inter_prob(const AV1_COMMON *cm,

            
                                                            const MACROBLOCKD *xd) {

            
              return cm->fc->intra_inter_prob[av1_get_intra_inter_context(xd)];

            
            }


            int av1_get_reference_mode_context(const AV1_COMMON *cm, const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_reference_mode_prob(const AV1_COMMON *cm,

            
                                                               const MACROBLOCKD *xd) {

            
              return cm->fc->comp_inter_prob[av1_get_reference_mode_context(cm, xd)];

            
            }


            int av1_get_pred_context_comp_ref_p(const AV1_COMMON *cm,

            
                                                const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_comp_ref_p(const AV1_COMMON *cm,

            
                                                                const MACROBLOCKD *xd) {

            
              const int pred_context = av1_get_pred_context_comp_ref_p(cm, xd);

            
              return cm->fc->comp_ref_prob[pred_context][0];

            
            }


            #if CONFIG_EXT_REFS

            
            int av1_get_pred_context_comp_ref_p1(const AV1_COMMON *cm,

            
                                                 const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_comp_ref_p1(const AV1_COMMON *cm,

            
                                                                 const MACROBLOCKD *xd) {

            
              const int pred_context = av1_get_pred_context_comp_ref_p1(cm, xd);

            
              return cm->fc->comp_ref_prob[pred_context][1];

            
            }


            int av1_get_pred_context_comp_ref_p2(const AV1_COMMON *cm,

            
                                                 const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_comp_ref_p2(const AV1_COMMON *cm,

            
                                                                 const MACROBLOCKD *xd) {

            
              const int pred_context = av1_get_pred_context_comp_ref_p2(cm, xd);

            
              return cm->fc->comp_ref_prob[pred_context][2];

            
            }


            int av1_get_pred_context_comp_bwdref_p(const AV1_COMMON *cm,

            
                                                   const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_comp_bwdref_p(const AV1_COMMON *cm,

            
                                                                   const MACROBLOCKD *xd) {

            
              const int pred_context = av1_get_pred_context_comp_bwdref_p(cm, xd);

            
              return cm->fc->comp_bwdref_prob[pred_context][0];

            
            }

            
            #endif  // CONFIG_EXT_REFS


            int av1_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_single_ref_p1(const AV1_COMMON *cm,

            
                                                                   const MACROBLOCKD *xd) {

            
              return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p1(xd)][0];

            
            }


            int av1_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_single_ref_p2(const AV1_COMMON *cm,

            
                                                                   const MACROBLOCKD *xd) {

            
              return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p2(xd)][1];

            
            }


            #if CONFIG_EXT_REFS

            
            int av1_get_pred_context_single_ref_p3(const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_single_ref_p3(const AV1_COMMON *cm,

            
                                                                   const MACROBLOCKD *xd) {

            
              return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p3(xd)][2];

            
            }


            int av1_get_pred_context_single_ref_p4(const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_single_ref_p4(const AV1_COMMON *cm,

            
                                                                   const MACROBLOCKD *xd) {

            
              return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p4(xd)][3];

            
            }


            int av1_get_pred_context_single_ref_p5(const MACROBLOCKD *xd);


            static INLINE aom_prob av1_get_pred_prob_single_ref_p5(const AV1_COMMON *cm,

            
                                                                   const MACROBLOCKD *xd) {

            
              return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p5(xd)][4];

            
            }

            
            #endif  // CONFIG_EXT_REFS


            // Returns a context number for the given MB prediction signal

            
            // The mode info data structure has a one element border above and to the

            
            // left of the entries corresponding to real blocks.

            
            // The prediction flags in these dummy entries are initialized to 0.

            
            static INLINE int get_tx_size_context(const MACROBLOCKD *xd) {

            
              const int max_tx_size = max_txsize_lookup[xd->mi[0]->mbmi.sb_type];

            
              const MB_MODE_INFO *const above_mbmi = xd->above_mbmi;

            
              const MB_MODE_INFO *const left_mbmi = xd->left_mbmi;

            
              const int has_above = xd->up_available;

            
              const int has_left = xd->left_available;

            
              int above_ctx = (has_above && !above_mbmi->skip)

            
                                  ? (int)txsize_sqr_map[above_mbmi->tx_size]

            
                                  : max_tx_size;

            
              int left_ctx = (has_left && !left_mbmi->skip)

            
                                 ? (int)txsize_sqr_map[left_mbmi->tx_size]

            
                                 : max_tx_size;

            
              assert(xd->mi[0]->mbmi.sb_type >= BLOCK_8X8);

            
              if (!has_left) left_ctx = above_ctx;


              if (!has_above) above_ctx = left_ctx;

            
            #if CONFIG_CB4X4

            
              // TODO(jingning): Temporary setup. Will rework this after the cb4x4

            
              // framework is up running.

            
              return (above_ctx + left_ctx) > max_tx_size + 1;

            
            #else

            
              return (above_ctx + left_ctx) > max_tx_size;

            
            #endif

            
            }


            #if CONFIG_VAR_TX

            
            static void update_tx_counts(AV1_COMMON *cm, MACROBLOCKD *xd,

            
                                         MB_MODE_INFO *mbmi, BLOCK_SIZE plane_bsize,

            
                                         TX_SIZE tx_size, int blk_row, int blk_col,

            
                                         TX_SIZE max_tx_size, int ctx) {

            
              const struct macroblockd_plane *const pd = &xd->plane[0];

            
              const BLOCK_SIZE bsize = txsize_to_bsize[tx_size];

            
              const int tx_row = blk_row >> (1 - pd->subsampling_y);

            
              const int tx_col = blk_col >> (1 - pd->subsampling_x);

            
              const TX_SIZE plane_tx_size = mbmi->inter_tx_size[tx_row][tx_col];

            
              const int max_blocks_high = max_block_high(xd, plane_bsize, 0);

            
              const int max_blocks_wide = max_block_wide(xd, plane_bsize, 0);


              if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;


              if (tx_size == plane_tx_size) {

            
                ++xd->counts->tx_size[max_tx_size - TX_8X8][ctx][tx_size];

            
                mbmi->tx_size = tx_size;

            
              } else {

            
                int bsl = b_width_log2_lookup[bsize];

            
                int i;


                assert(bsl > 0);

            
                --bsl;


                for (i = 0; i < 4; ++i) {

            
                  const int offsetr = blk_row + ((i >> 1) << bsl);

            
                  const int offsetc = blk_col + ((i & 0x01) << bsl);


                  if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue;

            
                  update_tx_counts(cm, xd, mbmi, plane_bsize, (TX_SIZE)(tx_size - 1),

            
                                   offsetr, offsetc, max_tx_size, ctx);

            
                }

            
              }

            
            }


            static INLINE void inter_block_tx_count_update(AV1_COMMON *cm, MACROBLOCKD *xd,

            
                                                           MB_MODE_INFO *mbmi,

            
                                                           BLOCK_SIZE plane_bsize,

            
                                                           int ctx) {

            
              const int mi_width = num_4x4_blocks_wide_lookup[plane_bsize];

            
              const int mi_height = num_4x4_blocks_high_lookup[plane_bsize];

            
              TX_SIZE max_tx_size = max_txsize_lookup[plane_bsize];

            
              BLOCK_SIZE txb_size = txsize_to_bsize[max_tx_size];

            
              int bh = num_4x4_blocks_wide_lookup[txb_size];

            
              int idx, idy;


              for (idy = 0; idy < mi_height; idy += bh)

            
                for (idx = 0; idx < mi_width; idx += bh)

            
                  update_tx_counts(cm, xd, mbmi, plane_bsize, max_tx_size, idy, idx,

            
                                   max_tx_size, ctx);

            
            }

            
            #endif


            #ifdef __cplusplus

            
            }  // extern "C"

            
            #endif


            #endif  // AV1_COMMON_PRED_COMMON_H_
	/*
	* Copyright (c) 2016, Alliance for Open Media. All rights reserved
	*
	* This source code is subject to the terms of the BSD 2 Clause License and
	* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
	* was not distributed with this source code in the LICENSE file, you can
	* obtain it at www.aomedia.org/license/software. If the Alliance for Open
	* Media Patent License 1.0 was not distributed with this source code in the
	* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
	*/

	#ifndef AV1_COMMON_PRED_COMMON_H_
	#define AV1_COMMON_PRED_COMMON_H_

	#include "av1/common/blockd.h"
	#include "av1/common/onyxc_int.h"
	#include "aom_dsp/aom_dsp_common.h"

	#ifdef __cplusplus
	extern "C" {
	#endif

	static INLINE int get_segment_id(const AV1_COMMON *const cm,
	const uint8_t *segment_ids, BLOCK_SIZE bsize,
	int mi_row, int mi_col) {
	const int mi_offset = mi_row * cm->mi_cols + mi_col;
	const int bw = num_8x8_blocks_wide_lookup[bsize];
	const int bh = num_8x8_blocks_high_lookup[bsize];
	const int xmis = AOMMIN(cm->mi_cols - mi_col, bw);
	const int ymis = AOMMIN(cm->mi_rows - mi_row, bh);
	int x, y, segment_id = MAX_SEGMENTS;

	for (y = 0; y < ymis; ++y)
	for (x = 0; x < xmis; ++x)
	segment_id =
	AOMMIN(segment_id, segment_ids[mi_offset + y * cm->mi_cols + x]);

	assert(segment_id >= 0 && segment_id < MAX_SEGMENTS);
	return segment_id;
	}

	static INLINE int av1_get_pred_context_seg_id(const MACROBLOCKD *xd) {
	const MODE_INFO *const above_mi = xd->above_mi;
	const MODE_INFO *const left_mi = xd->left_mi;
	const int above_sip =
	(above_mi != NULL) ? above_mi->mbmi.seg_id_predicted : 0;
	const int left_sip = (left_mi != NULL) ? left_mi->mbmi.seg_id_predicted : 0;

	return above_sip + left_sip;
	}

	static INLINE aom_prob av1_get_pred_prob_seg_id(
	const struct segmentation_probs segp, const MACROBLOCKD xd) {
	return segp->pred_probs[av1_get_pred_context_seg_id(xd)];
	}

	static INLINE int av1_get_skip_context(const MACROBLOCKD *xd) {
	const MODE_INFO *const above_mi = xd->above_mi;
	const MODE_INFO *const left_mi = xd->left_mi;
	const int above_skip = (above_mi != NULL) ? above_mi->mbmi.skip : 0;
	const int left_skip = (left_mi != NULL) ? left_mi->mbmi.skip : 0;
	return above_skip + left_skip;
	}

	static INLINE aom_prob av1_get_skip_prob(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->skip_probs[av1_get_skip_context(xd)];
	}

	#if CONFIG_DUAL_FILTER
	int av1_get_pred_context_switchable_interp(const MACROBLOCKD *xd, int dir);
	#else
	int av1_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
	#endif

	#if CONFIG_EXT_INTRA
	int av1_get_pred_context_intra_interp(const MACROBLOCKD *xd);
	#endif // CONFIG_EXT_INTRA

	int av1_get_intra_inter_context(const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_intra_inter_prob(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->intra_inter_prob[av1_get_intra_inter_context(xd)];
	}

	int av1_get_reference_mode_context(const AV1_COMMON cm, const MACROBLOCKD xd);

	static INLINE aom_prob av1_get_reference_mode_prob(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->comp_inter_prob[av1_get_reference_mode_context(cm, xd)];
	}

	int av1_get_pred_context_comp_ref_p(const AV1_COMMON *cm,
	const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_comp_ref_p(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	const int pred_context = av1_get_pred_context_comp_ref_p(cm, xd);
	return cm->fc->comp_ref_prob[pred_context][0];
	}

	#if CONFIG_EXT_REFS
	int av1_get_pred_context_comp_ref_p1(const AV1_COMMON *cm,
	const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_comp_ref_p1(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	const int pred_context = av1_get_pred_context_comp_ref_p1(cm, xd);
	return cm->fc->comp_ref_prob[pred_context][1];
	}

	int av1_get_pred_context_comp_ref_p2(const AV1_COMMON *cm,
	const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_comp_ref_p2(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	const int pred_context = av1_get_pred_context_comp_ref_p2(cm, xd);
	return cm->fc->comp_ref_prob[pred_context][2];
	}

	int av1_get_pred_context_comp_bwdref_p(const AV1_COMMON *cm,
	const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_comp_bwdref_p(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	const int pred_context = av1_get_pred_context_comp_bwdref_p(cm, xd);
	return cm->fc->comp_bwdref_prob[pred_context][0];
	}
	#endif // CONFIG_EXT_REFS

	int av1_get_pred_context_single_ref_p1(const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_single_ref_p1(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p1(xd)][0];
	}

	int av1_get_pred_context_single_ref_p2(const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_single_ref_p2(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p2(xd)][1];
	}

	#if CONFIG_EXT_REFS
	int av1_get_pred_context_single_ref_p3(const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_single_ref_p3(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p3(xd)][2];
	}

	int av1_get_pred_context_single_ref_p4(const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_single_ref_p4(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p4(xd)][3];
	}

	int av1_get_pred_context_single_ref_p5(const MACROBLOCKD *xd);

	static INLINE aom_prob av1_get_pred_prob_single_ref_p5(const AV1_COMMON *cm,
	const MACROBLOCKD *xd) {
	return cm->fc->single_ref_prob[av1_get_pred_context_single_ref_p5(xd)][4];
	}
	#endif // CONFIG_EXT_REFS

	// Returns a context number for the given MB prediction signal
	// The mode info data structure has a one element border above and to the
	// left of the entries corresponding to real blocks.
	// The prediction flags in these dummy entries are initialized to 0.
	static INLINE int get_tx_size_context(const MACROBLOCKD *xd) {
	const int max_tx_size = max_txsize_lookup[xd->mi[0]->mbmi.sb_type];
	const MB_MODE_INFO *const above_mbmi = xd->above_mbmi;
	const MB_MODE_INFO *const left_mbmi = xd->left_mbmi;
	const int has_above = xd->up_available;
	const int has_left = xd->left_available;
	int above_ctx = (has_above && !above_mbmi->skip)
	? (int)txsize_sqr_map[above_mbmi->tx_size]
	: max_tx_size;
	int left_ctx = (has_left && !left_mbmi->skip)
	? (int)txsize_sqr_map[left_mbmi->tx_size]
	: max_tx_size;
	assert(xd->mi[0]->mbmi.sb_type >= BLOCK_8X8);
	if (!has_left) left_ctx = above_ctx;

	if (!has_above) above_ctx = left_ctx;
	#if CONFIG_CB4X4
	// TODO(jingning): Temporary setup. Will rework this after the cb4x4
	// framework is up running.
	return (above_ctx + left_ctx) > max_tx_size + 1;
	#else
	return (above_ctx + left_ctx) > max_tx_size;
	#endif
	}

	#if CONFIG_VAR_TX
	static void update_tx_counts(AV1_COMMON cm, MACROBLOCKD xd,
	MB_MODE_INFO *mbmi, BLOCK_SIZE plane_bsize,
	TX_SIZE tx_size, int blk_row, int blk_col,
	TX_SIZE max_tx_size, int ctx) {
	const struct macroblockd_plane *const pd = &xd->plane[0];
	const BLOCK_SIZE bsize = txsize_to_bsize[tx_size];
	const int tx_row = blk_row >> (1 - pd->subsampling_y);
	const int tx_col = blk_col >> (1 - pd->subsampling_x);
	const TX_SIZE plane_tx_size = mbmi->inter_tx_size[tx_row][tx_col];
	const int max_blocks_high = max_block_high(xd, plane_bsize, 0);
	const int max_blocks_wide = max_block_wide(xd, plane_bsize, 0);

	if (blk_row >= max_blocks_high \|\| blk_col >= max_blocks_wide) return;

	if (tx_size == plane_tx_size) {
	++xd->counts->tx_size[max_tx_size - TX_8X8][ctx][tx_size];
	mbmi->tx_size = tx_size;
	} else {
	int bsl = b_width_log2_lookup[bsize];
	int i;

	assert(bsl > 0);
	--bsl;

	for (i = 0; i < 4; ++i) {
	const int offsetr = blk_row + ((i >> 1) << bsl);
	const int offsetc = blk_col + ((i & 0x01) << bsl);

	if (offsetr >= max_blocks_high \|\| offsetc >= max_blocks_wide) continue;
	update_tx_counts(cm, xd, mbmi, plane_bsize, (TX_SIZE)(tx_size - 1),
	offsetr, offsetc, max_tx_size, ctx);
	}
	}
	}

	static INLINE void inter_block_tx_count_update(AV1_COMMON cm, MACROBLOCKD xd,
	MB_MODE_INFO *mbmi,
	BLOCK_SIZE plane_bsize,
	int ctx) {
	const int mi_width = num_4x4_blocks_wide_lookup[plane_bsize];
	const int mi_height = num_4x4_blocks_high_lookup[plane_bsize];
	TX_SIZE max_tx_size = max_txsize_lookup[plane_bsize];
	BLOCK_SIZE txb_size = txsize_to_bsize[max_tx_size];
	int bh = num_4x4_blocks_wide_lookup[txb_size];
	int idx, idy;

	for (idy = 0; idy < mi_height; idy += bh)
	for (idx = 0; idx < mi_width; idx += bh)
	update_tx_counts(cm, xd, mbmi, plane_bsize, max_tx_size, idy, idx,
	max_tx_size, ctx);
	}
	#endif

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

	#endif // AV1_COMMON_PRED_COMMON_H_