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d4cfe0793f
This updates our in-tree copy of libvpx to match the 1.2.0 git tag. All but one of the patches we were carrying are in this upstream version. Our update.sh script should copy the new files needed but will not remove the old ones for you. Runtime cpu detection was rewritten upstream. We now generate per-platform headers for this and include the correct one from a vpx_rtcd.h wrapper like we were already doing for vpx_config.h This revision includes improved assembly optimizations and should be faster on all platforms. Includes work by Jan Gerber and Ralph Giles. --HG-- rename : media/libvpx/vp8/common/arm/neon/save_neon_reg.asm => media/libvpx/vp8/common/arm/neon/save_reg_neon.asm rename : media/libvpx/vp8/common/arm/armv6/vp8_mse16x16_armv6.asm => media/libvpx/vp8/encoder/arm/armv6/vp8_mse16x16_armv6.asm rename : media/libvpx/vp8/common/arm/neon/vp8_mse16x16_neon.asm => media/libvpx/vp8/encoder/arm/neon/vp8_mse16x16_neon.asm rename : media/libvpx/vp8/encoder/x86/x86_csystemdependent.c => media/libvpx/vp8/encoder/x86/vp8_enc_stubs_mmx.c rename : media/libvpx/vpx_config_arm-linux-gcc.c => media/libvpx/vpx_config_armv7-android-gcc.c rename : media/libvpx/vpx_config_arm-linux-gcc.h => media/libvpx/vpx_config_armv7-android-gcc.h
44 lines
992 B
C
44 lines
992 B
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 "treewriter.h"
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static void cost(
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int *const C,
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vp8_tree T,
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const vp8_prob *const P,
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int i,
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int c
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)
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{
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const vp8_prob p = P [i>>1];
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do
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{
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const vp8_tree_index j = T[i];
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const int d = c + vp8_cost_bit(p, i & 1);
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if (j <= 0)
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C[-j] = d;
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else
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cost(C, T, P, j, d);
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}
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while (++i & 1);
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}
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void vp8_cost_tokens(int *c, const vp8_prob *p, vp8_tree t)
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{
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cost(c, t, p, 0, 0);
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}
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void vp8_cost_tokens2(int *c, const vp8_prob *p, vp8_tree t,int start)
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{
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cost(c, t, p, start, 0);
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}
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