1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #ifndef AOM_AOM_DSP_BITWRITER_H_
13 #define AOM_AOM_DSP_BITWRITER_H_
14
15 #include <assert.h>
16
17 #include "config/aom_config.h"
18
19 #include "aom_dsp/daalaboolwriter.h"
20 #include "aom_dsp/prob.h"
21
22 #if CONFIG_RD_DEBUG
23 #include "av1/common/blockd.h"
24 #include "av1/encoder/cost.h"
25 #endif
26
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30
31 typedef struct daala_writer aom_writer;
32
33 typedef struct TOKEN_STATS {
34 int cost;
35 #if CONFIG_RD_DEBUG
36 int txb_coeff_cost_map[TXB_COEFF_COST_MAP_SIZE][TXB_COEFF_COST_MAP_SIZE];
37 #endif
38 } TOKEN_STATS;
39
init_token_stats(TOKEN_STATS * token_stats)40 static INLINE void init_token_stats(TOKEN_STATS *token_stats) {
41 #if CONFIG_RD_DEBUG
42 int r, c;
43 for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r) {
44 for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {
45 token_stats->txb_coeff_cost_map[r][c] = 0;
46 }
47 }
48 #endif
49 token_stats->cost = 0;
50 }
51
aom_start_encode(aom_writer * bc,uint8_t * buffer)52 static INLINE void aom_start_encode(aom_writer *bc, uint8_t *buffer) {
53 aom_daala_start_encode(bc, buffer);
54 }
55
aom_stop_encode(aom_writer * bc)56 static INLINE int aom_stop_encode(aom_writer *bc) {
57 return aom_daala_stop_encode(bc);
58 }
59
aom_write(aom_writer * br,int bit,int probability)60 static INLINE void aom_write(aom_writer *br, int bit, int probability) {
61 aom_daala_write(br, bit, probability);
62 }
63
aom_write_bit(aom_writer * w,int bit)64 static INLINE void aom_write_bit(aom_writer *w, int bit) {
65 aom_write(w, bit, 128); // aom_prob_half
66 }
67
aom_write_literal(aom_writer * w,int data,int bits)68 static INLINE void aom_write_literal(aom_writer *w, int data, int bits) {
69 int bit;
70
71 for (bit = bits - 1; bit >= 0; bit--) aom_write_bit(w, 1 & (data >> bit));
72 }
73
aom_write_cdf(aom_writer * w,int symb,const aom_cdf_prob * cdf,int nsymbs)74 static INLINE void aom_write_cdf(aom_writer *w, int symb,
75 const aom_cdf_prob *cdf, int nsymbs) {
76 daala_write_symbol(w, symb, cdf, nsymbs);
77 }
78
aom_write_symbol(aom_writer * w,int symb,aom_cdf_prob * cdf,int nsymbs)79 static INLINE void aom_write_symbol(aom_writer *w, int symb, aom_cdf_prob *cdf,
80 int nsymbs) {
81 aom_write_cdf(w, symb, cdf, nsymbs);
82 if (w->allow_update_cdf) update_cdf(cdf, symb, nsymbs);
83 }
84
85 #ifdef __cplusplus
86 } // extern "C"
87 #endif
88
89 #endif // AOM_AOM_DSP_BITWRITER_H_
90