61f0c090df
vp8_fast_quantize_b_pair_neon function added to quantize two adjacent blocks at the same time to improve performance. - Additional 3-6% speedup compared to neon optimized fast quantizer (Tanya VGA@30fps, 1Mbps stream, cpu-used=-5..-16) Change-Id: I3fcbf141e5d05e9118c38ca37310458afbabaa4e
63 lines
1.8 KiB
C
63 lines
1.8 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 <math.h>
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#include "vpx_mem/vpx_mem.h"
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#include "vp8/encoder/quantize.h"
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#include "vp8/common/entropy.h"
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#if HAVE_ARMV7
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/* vp8_quantize_mbX functions here differs from corresponding ones in
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* quantize.c only by using quantize_b_pair function pointer instead of
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* the regular quantize_b function pointer */
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void vp8_quantize_mby_neon(MACROBLOCK *x)
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{
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int i;
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int has_2nd_order = (x->e_mbd.mode_info_context->mbmi.mode != B_PRED
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&& x->e_mbd.mode_info_context->mbmi.mode != SPLITMV);
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for (i = 0; i < 16; i+=2)
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x->quantize_b_pair(&x->block[i], &x->block[i+1],
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&x->e_mbd.block[i], &x->e_mbd.block[i+1]);
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if(has_2nd_order)
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x->quantize_b(&x->block[24], &x->e_mbd.block[24]);
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}
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void vp8_quantize_mb_neon(MACROBLOCK *x)
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{
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int i;
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int has_2nd_order=(x->e_mbd.mode_info_context->mbmi.mode != B_PRED
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&& x->e_mbd.mode_info_context->mbmi.mode != SPLITMV);
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for (i = 0; i < 24; i+=2)
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x->quantize_b_pair(&x->block[i], &x->block[i+1],
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&x->e_mbd.block[i], &x->e_mbd.block[i+1]);
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if (has_2nd_order)
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x->quantize_b(&x->block[i], &x->e_mbd.block[i]);
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}
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void vp8_quantize_mbuv_neon(MACROBLOCK *x)
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{
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int i;
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for (i = 16; i < 24; i+=2)
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x->quantize_b_pair(&x->block[i], &x->block[i+1],
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&x->e_mbd.block[i], &x->e_mbd.block[i+1]);
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}
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#endif /* HAVE_ARMV7 */
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