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89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AOM_DSP_BITWRITER_H_
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#define AOM_AOM_DSP_BITWRITER_H_
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#include <assert.h>
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#include "config/aom_config.h"
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#include "aom_dsp/daalaboolwriter.h"
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#include "aom_dsp/prob.h"
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#if CONFIG_RD_DEBUG
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#include "av1/common/blockd.h"
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#include "av1/encoder/cost.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct daala_writer aom_writer;
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typedef struct TOKEN_STATS {
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int cost;
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#if CONFIG_RD_DEBUG
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int txb_coeff_cost_map[TXB_COEFF_COST_MAP_SIZE][TXB_COEFF_COST_MAP_SIZE];
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#endif
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} TOKEN_STATS;
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static INLINE void init_token_stats(TOKEN_STATS *token_stats) {
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#if CONFIG_RD_DEBUG
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int r, c;
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for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r) {
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for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {
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token_stats->txb_coeff_cost_map[r][c] = 0;
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}
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}
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#endif
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token_stats->cost = 0;
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}
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static INLINE void aom_start_encode(aom_writer *bc, uint8_t *buffer) {
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aom_daala_start_encode(bc, buffer);
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}
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static INLINE int aom_stop_encode(aom_writer *bc) {
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return aom_daala_stop_encode(bc);
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}
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static INLINE void aom_write(aom_writer *br, int bit, int probability) {
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aom_daala_write(br, bit, probability);
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}
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static INLINE void aom_write_bit(aom_writer *w, int bit) {
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aom_write(w, bit, 128); // aom_prob_half
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}
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static INLINE void aom_write_literal(aom_writer *w, int data, int bits) {
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int bit;
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for (bit = bits - 1; bit >= 0; bit--) aom_write_bit(w, 1 & (data >> bit));
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}
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static INLINE void aom_write_cdf(aom_writer *w, int symb,
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const aom_cdf_prob *cdf, int nsymbs) {
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daala_write_symbol(w, symb, cdf, nsymbs);
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}
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static INLINE void aom_write_symbol(aom_writer *w, int symb, aom_cdf_prob *cdf,
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int nsymbs) {
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aom_write_cdf(w, symb, cdf, nsymbs);
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if (w->allow_update_cdf) update_cdf(cdf, symb, nsymbs);
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AOM_DSP_BITWRITER_H_
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