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-rw-r--r--vp10/decoder/detokenize.c303
1 files changed, 0 insertions, 303 deletions
diff --git a/vp10/decoder/detokenize.c b/vp10/decoder/detokenize.c
deleted file mode 100644
index cda988831..000000000
--- a/vp10/decoder/detokenize.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * 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.
- */
-
-#include "vpx_mem/vpx_mem.h"
-#include "vpx_ports/mem.h"
-
-#include "vp10/common/blockd.h"
-#include "vp10/common/common.h"
-#include "vp10/common/entropy.h"
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
-#include "vp10/common/idct.h"
-#endif
-
-#include "vp10/decoder/detokenize.h"
-
-#define EOB_CONTEXT_NODE 0
-#define ZERO_CONTEXT_NODE 1
-#define ONE_CONTEXT_NODE 2
-#define LOW_VAL_CONTEXT_NODE 0
-#define TWO_CONTEXT_NODE 1
-#define THREE_CONTEXT_NODE 2
-#define HIGH_LOW_CONTEXT_NODE 3
-#define CAT_ONE_CONTEXT_NODE 4
-#define CAT_THREEFOUR_CONTEXT_NODE 5
-#define CAT_THREE_CONTEXT_NODE 6
-#define CAT_FIVE_CONTEXT_NODE 7
-
-#define INCREMENT_COUNT(token) \
- do { \
- if (counts) \
- ++coef_counts[band][ctx][token]; \
- } while (0)
-
-static INLINE int read_coeff(const vpx_prob *probs, int n, vpx_reader *r) {
- int i, val = 0;
- for (i = 0; i < n; ++i)
- val = (val << 1) | vpx_read(r, probs[i]);
- return val;
-}
-
-static int decode_coefs(const MACROBLOCKD *xd,
- PLANE_TYPE type,
- tran_low_t *dqcoeff, TX_SIZE tx_size, const int16_t *dq,
- int ctx, const int16_t *scan, const int16_t *nb,
- vpx_reader *r) {
- FRAME_COUNTS *counts = xd->counts;
- const int max_eob = 16 << (tx_size << 1);
- const FRAME_CONTEXT *const fc = xd->fc;
- const int ref = is_inter_block(&xd->mi[0]->mbmi);
- int band, c = 0;
- const vpx_prob (*coef_probs)[COEFF_CONTEXTS][UNCONSTRAINED_NODES] =
- fc->coef_probs[tx_size][type][ref];
- const vpx_prob *prob;
- unsigned int (*coef_counts)[COEFF_CONTEXTS][UNCONSTRAINED_NODES + 1];
- unsigned int (*eob_branch_count)[COEFF_CONTEXTS];
- uint8_t token_cache[32 * 32];
- const uint8_t *band_translate = get_band_translate(tx_size);
- const int dq_shift = (tx_size == TX_32X32);
- int v, token;
- int16_t dqv = dq[0];
- const uint8_t *cat1_prob;
- const uint8_t *cat2_prob;
- const uint8_t *cat3_prob;
- const uint8_t *cat4_prob;
- const uint8_t *cat5_prob;
- const uint8_t *cat6_prob;
-
- if (counts) {
- coef_counts = counts->coef[tx_size][type][ref];
- eob_branch_count = counts->eob_branch[tx_size][type][ref];
- }
-
-#if CONFIG_VP9_HIGHBITDEPTH
- if (xd->bd > VPX_BITS_8) {
- if (xd->bd == VPX_BITS_10) {
- cat1_prob = vp10_cat1_prob_high10;
- cat2_prob = vp10_cat2_prob_high10;
- cat3_prob = vp10_cat3_prob_high10;
- cat4_prob = vp10_cat4_prob_high10;
- cat5_prob = vp10_cat5_prob_high10;
- cat6_prob = vp10_cat6_prob_high10;
- } else {
- cat1_prob = vp10_cat1_prob_high12;
- cat2_prob = vp10_cat2_prob_high12;
- cat3_prob = vp10_cat3_prob_high12;
- cat4_prob = vp10_cat4_prob_high12;
- cat5_prob = vp10_cat5_prob_high12;
- cat6_prob = vp10_cat6_prob_high12;
- }
- } else {
- cat1_prob = vp10_cat1_prob;
- cat2_prob = vp10_cat2_prob;
- cat3_prob = vp10_cat3_prob;
- cat4_prob = vp10_cat4_prob;
- cat5_prob = vp10_cat5_prob;
- cat6_prob = vp10_cat6_prob;
- }
-#else
- cat1_prob = vp10_cat1_prob;
- cat2_prob = vp10_cat2_prob;
- cat3_prob = vp10_cat3_prob;
- cat4_prob = vp10_cat4_prob;
- cat5_prob = vp10_cat5_prob;
- cat6_prob = vp10_cat6_prob;
-#endif
-
- while (c < max_eob) {
- int val = -1;
- band = *band_translate++;
- prob = coef_probs[band][ctx];
- if (counts)
- ++eob_branch_count[band][ctx];
- if (!vpx_read(r, prob[EOB_CONTEXT_NODE])) {
- INCREMENT_COUNT(EOB_MODEL_TOKEN);
- break;
- }
-
- while (!vpx_read(r, prob[ZERO_CONTEXT_NODE])) {
- INCREMENT_COUNT(ZERO_TOKEN);
- dqv = dq[1];
- token_cache[scan[c]] = 0;
- ++c;
- if (c >= max_eob)
- return c; // zero tokens at the end (no eob token)
- ctx = get_coef_context(nb, token_cache, c);
- band = *band_translate++;
- prob = coef_probs[band][ctx];
- }
-
- if (!vpx_read(r, prob[ONE_CONTEXT_NODE])) {
- INCREMENT_COUNT(ONE_TOKEN);
- token = ONE_TOKEN;
- val = 1;
- } else {
- INCREMENT_COUNT(TWO_TOKEN);
- token = vpx_read_tree(r, vp10_coef_con_tree,
- vp10_pareto8_full[prob[PIVOT_NODE] - 1]);
- switch (token) {
- case TWO_TOKEN:
- case THREE_TOKEN:
- case FOUR_TOKEN:
- val = token;
- break;
- case CATEGORY1_TOKEN:
- val = CAT1_MIN_VAL + read_coeff(cat1_prob, 1, r);
- break;
- case CATEGORY2_TOKEN:
- val = CAT2_MIN_VAL + read_coeff(cat2_prob, 2, r);
- break;
- case CATEGORY3_TOKEN:
- val = CAT3_MIN_VAL + read_coeff(cat3_prob, 3, r);
- break;
- case CATEGORY4_TOKEN:
- val = CAT4_MIN_VAL + read_coeff(cat4_prob, 4, r);
- break;
- case CATEGORY5_TOKEN:
- val = CAT5_MIN_VAL + read_coeff(cat5_prob, 5, r);
- break;
- case CATEGORY6_TOKEN: {
-#if CONFIG_MISC_FIXES
- const int skip_bits = TX_SIZES - 1 - tx_size;
-#else
- const int skip_bits = 0;
-#endif
- const uint8_t *cat6p = cat6_prob + skip_bits;
-#if CONFIG_VP9_HIGHBITDEPTH
- switch (xd->bd) {
- case VPX_BITS_8:
- val = CAT6_MIN_VAL + read_coeff(cat6p, 14 - skip_bits, r);
- break;
- case VPX_BITS_10:
- val = CAT6_MIN_VAL + read_coeff(cat6p, 16 - skip_bits, r);
- break;
- case VPX_BITS_12:
- val = CAT6_MIN_VAL + read_coeff(cat6p, 18 - skip_bits, r);
- break;
- default:
- assert(0);
- return -1;
- }
-#else
- val = CAT6_MIN_VAL + read_coeff(cat6p, 14 - skip_bits, r);
-#endif
- break;
- }
- }
- }
- v = (val * dqv) >> dq_shift;
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
-#if CONFIG_VP9_HIGHBITDEPTH
- dqcoeff[scan[c]] = highbd_check_range((vpx_read_bit(r) ? -v : v),
- xd->bd);
-#else
- dqcoeff[scan[c]] = check_range(vpx_read_bit(r) ? -v : v);
-#endif // CONFIG_VP9_HIGHBITDEPTH
-#else
- dqcoeff[scan[c]] = vpx_read_bit(r) ? -v : v;
-#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
- token_cache[scan[c]] = vp10_pt_energy_class[token];
- ++c;
- ctx = get_coef_context(nb, token_cache, c);
- dqv = dq[1];
- }
-
- return c;
-}
-
-// TODO(slavarnway): Decode version of vp10_set_context. Modify vp10_set_context
-// after testing is complete, then delete this version.
-static
-void dec_set_contexts(const MACROBLOCKD *xd, struct macroblockd_plane *pd,
- TX_SIZE tx_size, int has_eob,
- int aoff, int loff) {
- ENTROPY_CONTEXT *const a = pd->above_context + aoff;
- ENTROPY_CONTEXT *const l = pd->left_context + loff;
- const int tx_size_in_blocks = 1 << tx_size;
-
- // above
- if (has_eob && xd->mb_to_right_edge < 0) {
- int i;
- const int blocks_wide = pd->n4_w +
- (xd->mb_to_right_edge >> (5 + pd->subsampling_x));
- int above_contexts = tx_size_in_blocks;
- if (above_contexts + aoff > blocks_wide)
- above_contexts = blocks_wide - aoff;
-
- for (i = 0; i < above_contexts; ++i)
- a[i] = has_eob;
- for (i = above_contexts; i < tx_size_in_blocks; ++i)
- a[i] = 0;
- } else {
- memset(a, has_eob, sizeof(ENTROPY_CONTEXT) * tx_size_in_blocks);
- }
-
- // left
- if (has_eob && xd->mb_to_bottom_edge < 0) {
- int i;
- const int blocks_high = pd->n4_h +
- (xd->mb_to_bottom_edge >> (5 + pd->subsampling_y));
- int left_contexts = tx_size_in_blocks;
- if (left_contexts + loff > blocks_high)
- left_contexts = blocks_high - loff;
-
- for (i = 0; i < left_contexts; ++i)
- l[i] = has_eob;
- for (i = left_contexts; i < tx_size_in_blocks; ++i)
- l[i] = 0;
- } else {
- memset(l, has_eob, sizeof(ENTROPY_CONTEXT) * tx_size_in_blocks);
- }
-}
-
-void vp10_decode_palette_tokens(MACROBLOCKD *const xd, int plane,
- vpx_reader *r) {
- MODE_INFO *const mi = xd->mi[0];
- MB_MODE_INFO *const mbmi = &mi->mbmi;
- const BLOCK_SIZE bsize = mbmi->sb_type;
- int rows = 4 * num_4x4_blocks_high_lookup[bsize];
- int cols = 4 * num_4x4_blocks_wide_lookup[bsize];
- int color_idx, color_ctx, color_order[PALETTE_MAX_SIZE];
- int n = mbmi->palette_mode_info.palette_size[plane != 0];
- int i, j;
- uint8_t *color_map = xd->plane[plane].color_index_map;
- const vpx_prob (* prob)[PALETTE_COLOR_CONTEXTS][PALETTE_COLORS - 1] =
- plane ? vp10_default_palette_uv_color_prob :
- vp10_default_palette_y_color_prob;
-
- for (i = 0; i < rows; ++i) {
- for (j = (i == 0 ? 1 : 0); j < cols; ++j) {
- color_ctx = vp10_get_palette_color_context(color_map, cols, i, j, n,
- color_order);
- color_idx = vpx_read_tree(r, vp10_palette_color_tree[n - 2],
- prob[n - 2][color_ctx]);
- assert(color_idx >= 0 && color_idx < n);
- color_map[i * cols + j] = color_order[color_idx];
- }
- }
-}
-
-int vp10_decode_block_tokens(MACROBLOCKD *xd,
- int plane, const scan_order *sc,
- int x, int y,
- TX_SIZE tx_size, vpx_reader *r,
- int seg_id) {
- struct macroblockd_plane *const pd = &xd->plane[plane];
- const int16_t *const dequant = pd->seg_dequant[seg_id];
- const int ctx = get_entropy_context(tx_size, pd->above_context + x,
- pd->left_context + y);
- const int eob = decode_coefs(xd, pd->plane_type,
- pd->dqcoeff, tx_size,
- dequant, ctx, sc->scan, sc->neighbors, r);
- dec_set_contexts(xd, pd, tx_size, eob > 0, x, y);
- return eob;
-}
-
-
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