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 int vp9_prob_diff_update_savings_search(const unsigned int *ct, vpx_prob oldp, 29 vpx_prob *bestp, vpx_prob upd); 30 31 int vp9_prob_diff_update_savings_search_model(const unsigned int *ct, 32 const vpx_prob oldp, 33 vpx_prob *bestp, vpx_prob upd, 34 int stepsize); 35 36 #ifdef __cplusplus 37 } // extern "C" 38 #endif 39 40 #endif // VPX_VP9_ENCODER_VP9_SUBEXP_H_ 41