binary_codes_writer.h (1487B)
1 /* 2 * Copyright (c) 2017, 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_BINARY_CODES_WRITER_H_ 13 #define AOM_AOM_DSP_BINARY_CODES_WRITER_H_ 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 19 #include <assert.h> 20 #include "config/aom_config.h" 21 22 #include "aom/aom_integer.h" 23 #include "aom_dsp/bitwriter.h" 24 #include "aom_dsp/bitwriter_buffer.h" 25 26 // Finite subexponential code that codes a symbol v in [0, n-1] with parameter k 27 // based on a reference ref also in [0, n-1]. 28 void aom_write_primitive_refsubexpfin(aom_writer *w, uint16_t n, uint16_t k, 29 uint16_t ref, uint16_t v); 30 31 // Functions that counts bits for the above primitives 32 int aom_count_primitive_refsubexpfin(uint16_t n, uint16_t k, uint16_t ref, 33 uint16_t v); 34 int aom_count_signed_primitive_refsubexpfin(uint16_t n, uint16_t k, int16_t ref, 35 int16_t v); 36 37 #ifdef __cplusplus 38 } // extern "C" 39 #endif 40 41 #endif // AOM_AOM_DSP_BINARY_CODES_WRITER_H_