ba1a6619b3
A previous commit 76feb965 made the vp8_mode_context adaptive on a frame
frame basis, this commit further made the coding context adaptive to two
frame types separately. Tests on derf set showed a further small gain on
all metrics: avg psnr 0.10%, glb psnr: 0.11%, ssim: 0.08%
http://www.corp.google.com/~yaowu/no_crawl/newNearMode_1209.html
Change-Id: I7b3e32ec8729de1903d14a3f1213f1624b78cdee
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/*
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* Copyright (c) 2010 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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#include "entropy.h"
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#if CONFIG_NEWNEAR
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const int default_vp8_mode_contexts[6][4] =
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{
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{ /* 0 */
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7, 1, 1, 183},
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{ /* 1 */
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14, 18, 14, 147},
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{/* 2 */
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135, 64, 57, 68},
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{ /* 3 */
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60, 56, 128, 65},
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{/* 4 */
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159, 134, 128, 34},
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{ /* 5 */
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234, 188, 128, 28},
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};
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const int default_vp8_mode_contexts_a[6][4] =
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{
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{ /* 0 */
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4, 1, 1, 143},
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{ /* 1 */
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7, 9, 7, 107},
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{/* 2 */
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95, 34, 57, 68},
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{ /* 3 */
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95, 56, 128, 65},
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{/* 4 */
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159, 67, 128, 34},
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{ /* 5 */
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234, 94, 128, 28},
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};
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#else
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const int default_vp8_mode_contexts[6][4] =
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{
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{
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/* 0 */
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7, 1, 1, 143,
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},
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{
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/* 1 */
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14, 18, 14, 107,
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},
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{
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/* 2 */
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135, 64, 57, 68,
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},
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{
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/* 3 */
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60, 56, 128, 65,
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},
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{
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/* 4 */
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159, 134, 128, 34,
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},
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{
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/* 5 */
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234, 188, 128, 28,
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},
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};
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#endif |