| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "./vpx_config.h" |
| #include "vp9/encoder/vp9_variance.h" |
| #include "vp9/common/vp9_pragmas.h" |
| #include "vpx_ports/mem.h" |
| |
| extern unsigned int vp9_get8x8var_mmx |
| ( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *SSE, |
| int *Sum |
| ); |
| extern unsigned int vp9_get4x4var_mmx |
| ( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *SSE, |
| int *Sum |
| ); |
| |
| unsigned int vp9_variance4x4_mmx( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *sse) { |
| unsigned int var; |
| int avg; |
| |
| vp9_get4x4var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg); |
| *sse = var; |
| return (var - (((unsigned int)avg * avg) >> 4)); |
| } |
| |
| unsigned int vp9_variance8x8_mmx( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *sse) { |
| unsigned int var; |
| int avg; |
| |
| vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &var, &avg); |
| *sse = var; |
| |
| return (var - (((unsigned int)avg * avg) >> 6)); |
| } |
| |
| unsigned int vp9_mse16x16_mmx( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *sse) { |
| unsigned int sse0, sse1, sse2, sse3, var; |
| int sum0, sum1, sum2, sum3; |
| |
| |
| vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, |
| &sum0); |
| vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, |
| &sse1, &sum1); |
| vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, |
| ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2); |
| vp9_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, |
| ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3); |
| |
| var = sse0 + sse1 + sse2 + sse3; |
| *sse = var; |
| return var; |
| } |
| |
| |
| unsigned int vp9_variance16x16_mmx( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *sse) { |
| unsigned int sse0, sse1, sse2, sse3, var; |
| int sum0, sum1, sum2, sum3, avg; |
| |
| vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, |
| &sum0); |
| vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, |
| &sse1, &sum1); |
| vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, |
| ref_ptr + 8 * recon_stride, recon_stride, &sse2, &sum2); |
| vp9_get8x8var_mmx(src_ptr + 8 * source_stride + 8, source_stride, |
| ref_ptr + 8 * recon_stride + 8, recon_stride, &sse3, &sum3); |
| |
| var = sse0 + sse1 + sse2 + sse3; |
| avg = sum0 + sum1 + sum2 + sum3; |
| *sse = var; |
| return (var - (((unsigned int)avg * avg) >> 8)); |
| } |
| |
| unsigned int vp9_variance16x8_mmx( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *sse) { |
| unsigned int sse0, sse1, var; |
| int sum0, sum1, avg; |
| |
| vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, |
| &sum0); |
| vp9_get8x8var_mmx(src_ptr + 8, source_stride, ref_ptr + 8, recon_stride, |
| &sse1, &sum1); |
| |
| var = sse0 + sse1; |
| avg = sum0 + sum1; |
| *sse = var; |
| return (var - (((unsigned int)avg * avg) >> 7)); |
| } |
| |
| |
| unsigned int vp9_variance8x16_mmx( |
| const unsigned char *src_ptr, |
| int source_stride, |
| const unsigned char *ref_ptr, |
| int recon_stride, |
| unsigned int *sse) { |
| unsigned int sse0, sse1, var; |
| int sum0, sum1, avg; |
| |
| vp9_get8x8var_mmx(src_ptr, source_stride, ref_ptr, recon_stride, &sse0, |
| &sum0); |
| vp9_get8x8var_mmx(src_ptr + 8 * source_stride, source_stride, |
| ref_ptr + 8 * recon_stride, recon_stride, &sse1, &sum1); |
| |
| var = sse0 + sse1; |
| avg = sum0 + sum1; |
| *sse = var; |
| |
| return (var - (((unsigned int)avg * avg) >> 7)); |
| } |