5fa46c0b60
Currently nothing is implemented to compute GM parameters, this just adds the capability to send them in the bitstream if they were computed. Still need to implement the reconstruction based on the parameters in reconinter. Change-Id: I72aea3c6a9de9f5a40f96da76c82b54a52781fe2
65 lines
2.4 KiB
C
65 lines
2.4 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 VP10_ENCODER_SUBEXP_H_
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#define VP10_ENCODER_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 vp10_writer;
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void vp10_write_prob_diff_update(struct vp10_writer *w,
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vpx_prob newp, vpx_prob oldp);
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void vp10_cond_prob_diff_update(struct vp10_writer *w, vpx_prob *oldp,
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const unsigned int ct[2]);
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int vp10_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 vp10_prob_diff_update_savings_search_model(const unsigned int *ct,
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const 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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int vp10_cond_prob_diff_update_savings(vpx_prob *oldp,
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const unsigned int ct[2]);
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#if CONFIG_ENTROPY
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int vp10_prob_update_search_subframe(unsigned int ct[][2],
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vpx_prob oldp, vpx_prob *bestp,
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vpx_prob upd, int n);
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int vp10_prob_update_search_model_subframe(unsigned int ct[ENTROPY_NODES]
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[COEF_PROBS_BUFS][2],
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const vpx_prob *oldp,
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vpx_prob *bestp, vpx_prob upd,
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int stepsize, int n);
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#endif // CONFIG_ENTROPY
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//
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// mag_bits is number of bits for magnitude. The alphabet is of size
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// 2 * 2^mag_bits + 1, symmetric around 0, where one bit is used to
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// indicate 0 or non-zero, mag_bits bits are used to indicate magnitide
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// and 1 more bit for the sign if non-zero.
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void vp10_write_primitive_symmetric(vp10_writer *w, int word,
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unsigned int mag_bits);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP10_ENCODER_SUBEXP_H_
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