diff options
Diffstat (limited to 'third_party/aom/av1/decoder/detokenize.c')
-rw-r--r-- | third_party/aom/av1/decoder/detokenize.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/third_party/aom/av1/decoder/detokenize.c b/third_party/aom/av1/decoder/detokenize.c deleted file mode 100644 index 9d54bd13d..000000000 --- a/third_party/aom/av1/decoder/detokenize.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * 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 "config/aom_config.h" - -#include "aom_mem/aom_mem.h" -#include "aom_ports/mem.h" -#include "av1/common/blockd.h" -#include "av1/decoder/detokenize.h" - -#define ACCT_STR __func__ - -#include "av1/common/common.h" -#include "av1/common/entropy.h" -#include "av1/common/idct.h" - -static void decode_color_map_tokens(Av1ColorMapParam *param, aom_reader *r) { - uint8_t color_order[PALETTE_MAX_SIZE]; - const int n = param->n_colors; - uint8_t *const color_map = param->color_map; - MapCdf color_map_cdf = param->map_cdf; - int plane_block_width = param->plane_width; - int plane_block_height = param->plane_height; - int rows = param->rows; - int cols = param->cols; - - // The first color index. - color_map[0] = av1_read_uniform(r, n); - assert(color_map[0] < n); - - // Run wavefront on the palette map index decoding. - for (int i = 1; i < rows + cols - 1; ++i) { - for (int j = AOMMIN(i, cols - 1); j >= AOMMAX(0, i - rows + 1); --j) { - const int color_ctx = av1_get_palette_color_index_context( - color_map, plane_block_width, (i - j), j, n, color_order, NULL); - const int color_idx = aom_read_symbol( - r, color_map_cdf[n - PALETTE_MIN_SIZE][color_ctx], n, ACCT_STR); - assert(color_idx >= 0 && color_idx < n); - color_map[(i - j) * plane_block_width + j] = color_order[color_idx]; - } - } - // Copy last column to extra columns. - if (cols < plane_block_width) { - for (int i = 0; i < rows; ++i) { - memset(color_map + i * plane_block_width + cols, - color_map[i * plane_block_width + cols - 1], - (plane_block_width - cols)); - } - } - // Copy last row to extra rows. - for (int i = rows; i < plane_block_height; ++i) { - memcpy(color_map + i * plane_block_width, - color_map + (rows - 1) * plane_block_width, plane_block_width); - } -} - -void av1_decode_palette_tokens(MACROBLOCKD *const xd, int plane, - aom_reader *r) { - assert(plane == 0 || plane == 1); - Av1ColorMapParam params; - params.color_map = - xd->plane[plane].color_index_map + xd->color_index_map_offset[plane]; - params.map_cdf = plane ? xd->tile_ctx->palette_uv_color_index_cdf - : xd->tile_ctx->palette_y_color_index_cdf; - const MB_MODE_INFO *const mbmi = xd->mi[0]; - params.n_colors = mbmi->palette_mode_info.palette_size[plane]; - av1_get_block_dimensions(mbmi->sb_type, plane, xd, ¶ms.plane_width, - ¶ms.plane_height, ¶ms.rows, ¶ms.cols); - decode_color_map_tokens(¶ms, r); -} |