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-rw-r--r--media/libaom/src/av1/encoder/tokenize.c248
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diff --git a/media/libaom/src/av1/encoder/tokenize.c b/media/libaom/src/av1/encoder/tokenize.c
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+/*
+ * 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.
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "aom_mem/aom_mem.h"
+
+#include "av1/common/entropy.h"
+#include "av1/common/pred_common.h"
+#include "av1/common/scan.h"
+#include "av1/common/seg_common.h"
+
+#include "av1/encoder/cost.h"
+#include "av1/encoder/encoder.h"
+#include "av1/encoder/encodetxb.h"
+#include "av1/encoder/rdopt.h"
+#include "av1/encoder/tokenize.h"
+
+static int cost_and_tokenize_map(Av1ColorMapParam *param, TOKENEXTRA **t,
+ int plane, int calc_rate, int allow_update_cdf,
+ FRAME_COUNTS *counts) {
+ const uint8_t *const color_map = param->color_map;
+ MapCdf map_cdf = param->map_cdf;
+ ColorCost color_cost = param->color_cost;
+ const int plane_block_width = param->plane_width;
+ const int rows = param->rows;
+ const int cols = param->cols;
+ const int n = param->n_colors;
+ const int palette_size_idx = n - PALETTE_MIN_SIZE;
+ int this_rate = 0;
+ uint8_t color_order[PALETTE_MAX_SIZE];
+
+ (void)plane;
+ (void)counts;
+
+ for (int k = 1; k < rows + cols - 1; ++k) {
+ for (int j = AOMMIN(k, cols - 1); j >= AOMMAX(0, k - rows + 1); --j) {
+ int i = k - j;
+ int color_new_idx;
+ const int color_ctx = av1_get_palette_color_index_context(
+ color_map, plane_block_width, i, j, n, color_order, &color_new_idx);
+ assert(color_new_idx >= 0 && color_new_idx < n);
+ if (calc_rate) {
+ this_rate += (*color_cost)[palette_size_idx][color_ctx][color_new_idx];
+ } else {
+ (*t)->token = color_new_idx;
+ (*t)->color_map_cdf = map_cdf[palette_size_idx][color_ctx];
+ ++(*t);
+ if (allow_update_cdf)
+ update_cdf(map_cdf[palette_size_idx][color_ctx], color_new_idx, n);
+#if CONFIG_ENTROPY_STATS
+ if (plane) {
+ ++counts->palette_uv_color_index[palette_size_idx][color_ctx]
+ [color_new_idx];
+ } else {
+ ++counts->palette_y_color_index[palette_size_idx][color_ctx]
+ [color_new_idx];
+ }
+#endif
+ }
+ }
+ }
+ if (calc_rate) return this_rate;
+ return 0;
+}
+
+static void get_palette_params(const MACROBLOCK *const x, int plane,
+ BLOCK_SIZE bsize, Av1ColorMapParam *params) {
+ const MACROBLOCKD *const xd = &x->e_mbd;
+ const MB_MODE_INFO *const mbmi = xd->mi[0];
+ const PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info;
+ params->color_map = xd->plane[plane].color_index_map;
+ params->map_cdf = plane ? xd->tile_ctx->palette_uv_color_index_cdf
+ : xd->tile_ctx->palette_y_color_index_cdf;
+ params->color_cost =
+ plane ? &x->palette_uv_color_cost : &x->palette_y_color_cost;
+ params->n_colors = pmi->palette_size[plane];
+ av1_get_block_dimensions(bsize, plane, xd, &params->plane_width, NULL,
+ &params->rows, &params->cols);
+}
+
+static void get_color_map_params(const MACROBLOCK *const x, int plane,
+ BLOCK_SIZE bsize, TX_SIZE tx_size,
+ COLOR_MAP_TYPE type,
+ Av1ColorMapParam *params) {
+ (void)tx_size;
+ memset(params, 0, sizeof(*params));
+ switch (type) {
+ case PALETTE_MAP: get_palette_params(x, plane, bsize, params); break;
+ default: assert(0 && "Invalid color map type"); return;
+ }
+}
+
+int av1_cost_color_map(const MACROBLOCK *const x, int plane, BLOCK_SIZE bsize,
+ TX_SIZE tx_size, COLOR_MAP_TYPE type) {
+ assert(plane == 0 || plane == 1);
+ Av1ColorMapParam color_map_params;
+ get_color_map_params(x, plane, bsize, tx_size, type, &color_map_params);
+ return cost_and_tokenize_map(&color_map_params, NULL, plane, 1, 0, NULL);
+}
+
+void av1_tokenize_color_map(const MACROBLOCK *const x, int plane,
+ TOKENEXTRA **t, BLOCK_SIZE bsize, TX_SIZE tx_size,
+ COLOR_MAP_TYPE type, int allow_update_cdf,
+ FRAME_COUNTS *counts) {
+ assert(plane == 0 || plane == 1);
+ Av1ColorMapParam color_map_params;
+ get_color_map_params(x, plane, bsize, tx_size, type, &color_map_params);
+ // The first color index does not use context or entropy.
+ (*t)->token = color_map_params.color_map[0];
+ (*t)->color_map_cdf = NULL;
+ ++(*t);
+ cost_and_tokenize_map(&color_map_params, t, plane, 0, allow_update_cdf,
+ counts);
+}
+
+void tokenize_vartx(ThreadData *td, TOKENEXTRA **t, RUN_TYPE dry_run,
+ TX_SIZE tx_size, BLOCK_SIZE plane_bsize, int blk_row,
+ int blk_col, int block, int plane, void *arg) {
+ MACROBLOCK *const x = &td->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ MB_MODE_INFO *const mbmi = xd->mi[0];
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int max_blocks_high = max_block_high(xd, plane_bsize, plane);
+ const int max_blocks_wide = max_block_wide(xd, plane_bsize, plane);
+
+ if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide) return;
+
+ const TX_SIZE plane_tx_size =
+ plane ? av1_get_max_uv_txsize(mbmi->sb_type, pd->subsampling_x,
+ pd->subsampling_y)
+ : mbmi->inter_tx_size[av1_get_txb_size_index(plane_bsize, blk_row,
+ blk_col)];
+
+ if (tx_size == plane_tx_size || plane) {
+ plane_bsize = get_plane_block_size(mbmi->sb_type, pd->subsampling_x,
+ pd->subsampling_y);
+ if (!dry_run) {
+ av1_update_and_record_txb_context(plane, block, blk_row, blk_col,
+ plane_bsize, tx_size, arg);
+ } else if (dry_run == DRY_RUN_NORMAL) {
+ av1_update_txb_context_b(plane, block, blk_row, blk_col, plane_bsize,
+ tx_size, arg);
+ } else {
+ printf("DRY_RUN_COSTCOEFFS is not supported yet\n");
+ assert(0);
+ }
+ } else {
+ // Half the block size in transform block unit.
+ const TX_SIZE sub_txs = sub_tx_size_map[tx_size];
+ const int bsw = tx_size_wide_unit[sub_txs];
+ const int bsh = tx_size_high_unit[sub_txs];
+ const int step = bsw * bsh;
+
+ assert(bsw > 0 && bsh > 0);
+
+ for (int row = 0; row < tx_size_high_unit[tx_size]; row += bsh) {
+ for (int col = 0; col < tx_size_wide_unit[tx_size]; col += bsw) {
+ const int offsetr = blk_row + row;
+ const int offsetc = blk_col + col;
+
+ if (offsetr >= max_blocks_high || offsetc >= max_blocks_wide) continue;
+
+ tokenize_vartx(td, t, dry_run, sub_txs, plane_bsize, offsetr, offsetc,
+ block, plane, arg);
+ block += step;
+ }
+ }
+ }
+}
+
+void av1_tokenize_sb_vartx(const AV1_COMP *cpi, ThreadData *td, TOKENEXTRA **t,
+ RUN_TYPE dry_run, int mi_row, int mi_col,
+ BLOCK_SIZE bsize, int *rate,
+ uint8_t allow_update_cdf) {
+ const AV1_COMMON *const cm = &cpi->common;
+ const int num_planes = av1_num_planes(cm);
+ MACROBLOCK *const x = &td->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
+ MB_MODE_INFO *const mbmi = xd->mi[0];
+ (void)t;
+ struct tokenize_b_args arg = { cpi, td, t, 0, allow_update_cdf };
+ if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols) return;
+
+ if (mbmi->skip) {
+ av1_reset_skip_context(xd, mi_row, mi_col, bsize, num_planes);
+ return;
+ }
+
+ for (int plane = 0; plane < num_planes; ++plane) {
+ if (!is_chroma_reference(mi_row, mi_col, bsize,
+ xd->plane[plane].subsampling_x,
+ xd->plane[plane].subsampling_y)) {
+ continue;
+ }
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const BLOCK_SIZE bsizec =
+ scale_chroma_bsize(bsize, pd->subsampling_x, pd->subsampling_y);
+ const BLOCK_SIZE plane_bsize =
+ get_plane_block_size(bsizec, pd->subsampling_x, pd->subsampling_y);
+ 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_high_log2[0];
+ const TX_SIZE max_tx_size = get_vartx_max_txsize(xd, plane_bsize, plane);
+ const BLOCK_SIZE txb_size = txsize_to_bsize[max_tx_size];
+ int bw = block_size_wide[txb_size] >> tx_size_wide_log2[0];
+ int bh = block_size_high[txb_size] >> tx_size_high_log2[0];
+ int idx, idy;
+ int block = 0;
+ int step = tx_size_wide_unit[max_tx_size] * tx_size_high_unit[max_tx_size];
+
+ const BLOCK_SIZE max_unit_bsize =
+ get_plane_block_size(BLOCK_64X64, pd->subsampling_x, pd->subsampling_y);
+ int mu_blocks_wide =
+ block_size_wide[max_unit_bsize] >> tx_size_wide_log2[0];
+ int mu_blocks_high =
+ block_size_high[max_unit_bsize] >> tx_size_high_log2[0];
+
+ mu_blocks_wide = AOMMIN(mi_width, mu_blocks_wide);
+ mu_blocks_high = AOMMIN(mi_height, mu_blocks_high);
+
+ for (idy = 0; idy < mi_height; idy += mu_blocks_high) {
+ for (idx = 0; idx < mi_width; idx += mu_blocks_wide) {
+ int blk_row, blk_col;
+ const int unit_height = AOMMIN(mu_blocks_high + idy, mi_height);
+ const int unit_width = AOMMIN(mu_blocks_wide + idx, mi_width);
+ for (blk_row = idy; blk_row < unit_height; blk_row += bh) {
+ for (blk_col = idx; blk_col < unit_width; blk_col += bw) {
+ tokenize_vartx(td, t, dry_run, max_tx_size, plane_bsize, blk_row,
+ blk_col, block, plane, &arg);
+ block += step;
+ }
+ }
+ }
+ }
+ }
+ if (rate) *rate += arg.this_rate;
+}