1 /* 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_VP9_ENCODER_VP9_SUBEXP_H_ 12 #define VPX_VP9_ENCODER_VP9_SUBEXP_H_ 13 14 #ifdef __cplusplus 15 extern "C" { 16 #endif 17 18 #include "vpx_dsp/prob.h" 19 20 struct vpx_writer; 21 22 void vp9_write_prob_diff_update(struct vpx_writer *w, vpx_prob newp, 23 vpx_prob oldp); 24 25 void vp9_cond_prob_diff_update(struct vpx_writer *w, vpx_prob *oldp, 26 const unsigned int ct[2]); 27 28 int64_t vp9_prob_diff_update_savings_search(const unsigned int *ct, 29 vpx_prob oldp, vpx_prob *bestp, 30 vpx_prob upd); 31 32 int64_t vp9_prob_diff_update_savings_search_model(const unsigned int *ct, 33 const vpx_prob oldp, 34 vpx_prob *bestp, vpx_prob upd, 35 int stepsize); 36 37 #ifdef __cplusplus 38 } // extern "C" 39 #endif 40 41 #endif // VPX_VP9_ENCODER_VP9_SUBEXP_H_ 42