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 #ifndef AOM_AV1_DECODER_ACCOUNTING_H_ 12 #define AOM_AV1_DECODER_ACCOUNTING_H_ 13 #include <stdlib.h> 14 #include "aom/aomdx.h" 15 16 #ifdef __cplusplus 17 extern "C" { 18 #endif // __cplusplus 19 20 #define AOM_ACCOUNTING_HASH_SIZE (1021) 21 22 /* Max number of entries for symbol types in the dictionary (increase as 23 necessary). */ 24 #define MAX_SYMBOL_TYPES (256) 25 26 /*The resolution of fractional-precision bit usage measurements, i.e., 27 3 => 1/8th bits.*/ 28 #define AOM_ACCT_BITRES (3) 29 30 typedef struct { 31 int16_t x; 32 int16_t y; 33 } AccountingSymbolContext; 34 35 typedef struct { 36 AccountingSymbolContext context; 37 uint32_t id; 38 /** Number of bits in units of 1/8 bit. */ 39 uint32_t bits; 40 uint32_t samples; 41 } AccountingSymbol; 42 43 /** Dictionary for translating strings into id. */ 44 typedef struct { 45 char *(strs[MAX_SYMBOL_TYPES]); 46 int num_strs; 47 } AccountingDictionary; 48 49 typedef struct { 50 /** All recorded symbols decoded. */ 51 AccountingSymbol *syms; 52 /** Number of syntax actually recorded. */ 53 int num_syms; 54 /** Raw symbol decoding calls for non-binary values. */ 55 int num_multi_syms; 56 /** Raw binary symbol decoding calls. */ 57 int num_binary_syms; 58 /** Dictionary for translating strings into id. */ 59 AccountingDictionary dictionary; 60 } AccountingSymbols; 61 62 struct Accounting { 63 AccountingSymbols syms; 64 /** Size allocated for symbols (not all may be used). */ 65 int num_syms_allocated; 66 int16_t hash_dictionary[AOM_ACCOUNTING_HASH_SIZE]; 67 AccountingSymbolContext context; 68 uint32_t last_tell_frac; 69 }; 70 71 void aom_accounting_init(Accounting *accounting); 72 void aom_accounting_reset(Accounting *accounting); 73 void aom_accounting_clear(Accounting *accounting); 74 void aom_accounting_set_context(Accounting *accounting, int16_t x, int16_t y); 75 int aom_accounting_dictionary_lookup(Accounting *accounting, const char *str); 76 void aom_accounting_record(Accounting *accounting, const char *str, 77 uint32_t bits); 78 void aom_accounting_dump(Accounting *accounting); 79 #ifdef __cplusplus 80 } // extern "C" 81 #endif // __cplusplus 82 #endif // AOM_AV1_DECODER_ACCOUNTING_H_ 83