From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/av1/common/pred_common.h | 266 +++++++++++++++++++++++++++++++ 1 file changed, 266 insertions(+) create mode 100644 third_party/aom/av1/common/pred_common.h (limited to 'third_party/aom/av1/common/pred_common.h') diff --git a/third_party/aom/av1/common/pred_common.h b/third_party/aom/av1/common/pred_common.h new file mode 100644 index 000000000..e16ad70f6 --- /dev/null +++ b/third_party/aom/av1/common/pred_common.h @@ -0,0 +1,266 @@ +/* + * 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 = mi_size_wide[bsize]; + const int bh = mi_size_high[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 +#if CONFIG_INTRA_INTERP +int av1_get_pred_context_intra_interp(const MACROBLOCKD *xd); +#endif // CONFIG_INTRA_INTERP +#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 + +#if CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF +int av1_get_inter_mode_context(const MACROBLOCKD *xd); + +static INLINE aom_prob av1_get_inter_mode_prob(const AV1_COMMON *cm, + const MACROBLOCKD *xd) { + return cm->fc->comp_inter_mode_prob[av1_get_inter_mode_context(xd)]; +} +#endif // CONFIG_EXT_INTER && CONFIG_COMPOUND_SINGLEREF + +// 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; + + 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 = block_size_wide[plane_bsize] >> tx_size_wide_log2[0]; + const int mi_height = block_size_high[plane_bsize] >> tx_size_wide_log2[0]; + TX_SIZE max_tx_size = max_txsize_lookup[plane_bsize]; + int bh = tx_size_wide_unit[max_tx_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_ -- cgit v1.2.3