153 lines
4.3 KiB
C
153 lines
4.3 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 "./vpx_config.h"
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#include "vp9/encoder/vp9_variance.h"
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#include "vpx_ports/mem.h"
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extern unsigned int vp9_get8x8var_mmx
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(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *SSE,
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int *Sum
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);
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extern unsigned int vp9_get4x4var_mmx
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(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *SSE,
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int *Sum
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);
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unsigned int vp9_variance4x4_mmx(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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vp9_get4x4var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
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*sse = var;
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return (var - (((unsigned int)avg * avg) >> 4));
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}
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unsigned int vp9_variance8x8_mmx(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int var;
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int avg;
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vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg);
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*sse = var;
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return (var - (((unsigned int)avg * avg) >> 6));
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}
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unsigned int vp9_mse16x16_mmx(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int sse0, sse1, sse2, sse3, var;
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int sum0, sum1, sum2, sum3;
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vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0,
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&sum0);
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vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride,
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&sse1, &sum1);
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vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride,
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ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2);
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vp9_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride,
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ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);
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var = sse0 + sse1 + sse2 + sse3;
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*sse = var;
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return var;
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}
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unsigned int vp9_variance16x16_mmx(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int sse0, sse1, sse2, sse3, var;
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int sum0, sum1, sum2, sum3, avg;
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vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0,
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&sum0);
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vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride,
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&sse1, &sum1);
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vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride,
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ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2);
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vp9_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride,
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ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3);
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var = sse0 + sse1 + sse2 + sse3;
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avg = sum0 + sum1 + sum2 + sum3;
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*sse = var;
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return (var - (((unsigned int)avg * avg) >> 8));
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}
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unsigned int vp9_variance16x8_mmx(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int sse0, sse1, var;
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int sum0, sum1, avg;
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vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0,
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&sum0);
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vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride,
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&sse1, &sum1);
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var = sse0 + sse1;
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avg = sum0 + sum1;
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*sse = var;
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return (var - (((unsigned int)avg * avg) >> 7));
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}
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unsigned int vp9_variance8x16_mmx(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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unsigned int sse0, sse1, var;
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int sum0, sum1, avg;
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vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0,
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&sum0);
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vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride,
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ref_ptr + 8 * recon_stride, recon_stride, &sse1, &sum1);
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var = sse0 + sse1;
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avg = sum0 + sum1;
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*sse = var;
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return (var - (((unsigned int)avg * avg) >> 7));
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}
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