19e0b406c9
- Avoid excessive copying - Don't both searching if no update can possibly offer savings - Simplify the interface - Remove the confusing vp9_cost_upd256 macro Change-Id: Id9d9676a361fd1203b27e930cd29c23b2813ce59
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* Copyright (c) 2013 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_VP9_SUBEXP_H_
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#define VP9_ENCODER_VP9_SUBEXP_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "vpx_dsp/prob.h"
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struct vpx_writer;
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void vp9_write_prob_diff_update(struct vpx_writer *w,
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vpx_prob newp, vpx_prob oldp);
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void vp9_cond_prob_diff_update(struct vpx_writer *w, vpx_prob *oldp,
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const unsigned int ct[2]);
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int vp9_prob_diff_update_savings_search(const unsigned int *ct,
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vpx_prob oldp, vpx_prob *bestp,
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vpx_prob upd);
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int vp9_prob_diff_update_savings_search_model(const unsigned int *ct,
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vpx_prob oldp,
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vpx_prob *bestp,
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vpx_prob upd,
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int stepsize);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_VP9_SUBEXP_H_
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